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beeaf216 | 1 | # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
ec8fd1c0 | 2 | # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, |
88252529 | 3 | # 2014, 2015, 2016, 2019, 2022 Free Software Foundation, Inc. |
6599da04 JM |
4 | # |
5 | # This file is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU General Public License as published by | |
309c24a9 | 7 | # the Free Software Foundation; either version 3 of the License, or |
6599da04 JM |
8 | # (at your option) any later version. |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, but | |
11 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | # General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
309c24a9 JJ |
16 | # along with this program; see the file COPYING3. If not see |
17 | # <http://www.gnu.org/licenses/>. | |
6599da04 JM |
18 | |
19 | ############################################################################## | |
671aa708 NN |
20 | ### WARNING: this file contains embedded tabs. Do not run untabify on this file. |
21 | ||
7142fb32 PB |
22 | m4_include(config/acx.m4) |
23 | m4_include(config/override.m4) | |
38d24731 | 24 | m4_include(config/proginstall.m4) |
7413962d | 25 | m4_include(config/elf.m4) |
ffac9597 | 26 | m4_include(config/ax_cxx_compile_stdcxx.m4) |
592c90ff KG |
27 | m4_include([libtool.m4]) |
28 | m4_include([ltoptions.m4]) | |
29 | m4_include([ltsugar.m4]) | |
30 | m4_include([ltversion.m4]) | |
31 | m4_include([lt~obsolete.m4]) | |
33ad93b9 | 32 | m4_include([config/isl.m4]) |
ad6717df | 33 | |
671aa708 | 34 | AC_INIT(move-if-change) |
0115d4a3 | 35 | AC_DISABLE_OPTION_CHECKING |
1c710c3c | 36 | |
ad33ff57 RW |
37 | progname=$0 |
38 | # if PWD already has a value, it is probably wrong. | |
39 | if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi | |
40 | ||
41 | # Export original configure arguments for use by sub-configures. | |
42 | # Quote arguments with shell meta charatcers. | |
43 | TOPLEVEL_CONFIGURE_ARGUMENTS= | |
44 | set -- "$progname" "$@" | |
45 | for ac_arg | |
46 | do | |
47 | case "$ac_arg" in | |
48 | *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) | |
49 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` | |
50 | # if the argument is of the form -foo=baz, quote the baz part only | |
51 | ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; | |
52 | *) ;; | |
53 | esac | |
54 | # Add the quoted argument to the list. | |
55 | TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" | |
56 | done | |
57 | if test "$silent" = yes; then | |
58 | TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" | |
59 | fi | |
60 | # Remove the initial space we just introduced and, as these will be | |
61 | # expanded by make, quote '$'. | |
62 | TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` | |
63 | AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) | |
64 | ||
1c710c3c DJ |
65 | # Find the build, host, and target systems. |
66 | ACX_NONCANONICAL_BUILD | |
67 | ACX_NONCANONICAL_HOST | |
68 | ACX_NONCANONICAL_TARGET | |
69 | ||
70 | dnl Autoconf 2.5x and later will set a default program prefix if | |
71 | dnl --target was used, even if it was the same as --host. Disable | |
72 | dnl that behavior. This must be done before AC_CANONICAL_SYSTEM | |
73 | dnl to take effect. | |
74 | test "$host_noncanonical" = "$target_noncanonical" && | |
75 | test "$program_prefix$program_suffix$program_transform_name" = \ | |
76 | NONENONEs,x,x, && | |
77 | program_transform_name=s,y,y, | |
78 | ||
671aa708 NN |
79 | AC_CANONICAL_SYSTEM |
80 | AC_ARG_PROGRAM | |
81 | ||
1c710c3c | 82 | m4_pattern_allow([^AS_FOR_TARGET$])dnl |
0999159b | 83 | m4_pattern_allow([^AS_FOR_BUILD$])dnl |
1c710c3c | 84 | |
775956d0 NN |
85 | # Get 'install' or 'install-sh' and its variants. |
86 | AC_PROG_INSTALL | |
ad6717df | 87 | ACX_PROG_LN |
148907ea | 88 | AC_PROG_LN_S |
87264276 PB |
89 | AC_PROG_SED |
90 | AC_PROG_AWK | |
775956d0 | 91 | |
fc45f3fe DJ |
92 | srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` |
93 | ||
94 | # We pass INSTALL explicitly to sub-makes. Make sure that it is not | |
95 | # a relative path. | |
96 | if test "$INSTALL" = "${srcdir}/install-sh -c"; then | |
97 | INSTALL="${srcpwd}/install-sh -c" | |
98 | fi | |
99 | ||
671aa708 NN |
100 | # Set srcdir to "." if that's what it is. |
101 | # This is important for multilib support. | |
102 | pwd=`${PWDCMD-pwd}` | |
671aa708 NN |
103 | if test "${pwd}" = "${srcpwd}" ; then |
104 | srcdir=. | |
105 | fi | |
106 | ||
107 | topsrcdir=$srcpwd | |
6599da04 | 108 | |
4977bab6 | 109 | extra_host_args= |
afabd8e6 | 110 | |
6599da04 JM |
111 | ### To add a new directory to the tree, first choose whether it is a target |
112 | ### or a host dependent tool. Then put it into the appropriate list | |
4977bab6 ZW |
113 | ### (library or tools, host or target), doing a dependency sort. |
114 | ||
115 | # Subdirs will be configured in the order listed in build_configdirs, | |
116 | # configdirs, or target_configdirs; see the serialization section below. | |
117 | ||
118 | # Dependency sorting is only needed when *configuration* must be done in | |
119 | # a particular order. In all cases a dependency should be specified in | |
120 | # the Makefile, whether or not it's implicitly specified here. | |
6599da04 | 121 | |
4977bab6 ZW |
122 | # Double entries in build_configdirs, configdirs, or target_configdirs may |
123 | # cause circular dependencies and break everything horribly. | |
6599da04 | 124 | |
23f6b2f9 PB |
125 | # these library is used by various programs built for the build |
126 | # environment | |
127 | # | |
929315a9 | 128 | build_libs="build-libiberty build-libcpp" |
23f6b2f9 PB |
129 | |
130 | # these tools are built for the build environment | |
85bfb75e | 131 | build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" |
23f6b2f9 | 132 | |
6599da04 | 133 | # these libraries are used by various programs built for the host environment |
eae1a5d4 | 134 | #f |
36230329 | 135 | host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libelf libiconv libctf" |
6599da04 | 136 | |
6599da04 JM |
137 | # these tools are built for the host environment |
138 | # Note, the powerpc-eabi build depends on sim occurring before gdb in order to | |
139 | # know that we are building the simulator. | |
4977bab6 ZW |
140 | # binutils, gas and ld appear in that order because it makes sense to run |
141 | # "make check" in that particular order. | |
38e3d868 | 142 | # If --enable-gold is used, "gold" may replace "ld". |
2efd8b1f | 143 | host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools" |
5d4a5ee6 | 144 | |
6599da04 JM |
145 | # these libraries are built for the target environment, and are built after |
146 | # the host libraries and the host tools (which may be a cross compiler) | |
8499116a | 147 | # Note that libiberty is not a target library. |
291f172e | 148 | target_libraries="target-libgcc \ |
eff02e4f | 149 | target-libbacktrace \ |
5d4a5ee6 JL |
150 | target-libgloss \ |
151 | target-newlib \ | |
6d3b5aea | 152 | target-libgomp \ |
5f520819 | 153 | target-liboffloadmic \ |
48310492 | 154 | target-libatomic \ |
0a35513e | 155 | target-libitm \ |
cb543528 | 156 | target-libstdc++-v3 \ |
f35db108 | 157 | target-libsanitizer \ |
2077db1b | 158 | target-libvtv \ |
77008252 | 159 | target-libssp \ |
1ec601bf | 160 | target-libquadmath \ |
6de9cd9a | 161 | target-libgfortran \ |
012447ea | 162 | target-libffi \ |
d9cdb878 | 163 | target-libobjc \ |
632e2a07 | 164 | target-libada \ |
b4c522fa | 165 | target-libgo \ |
bb50312e IB |
166 | target-libphobos \ |
167 | target-zlib" | |
6599da04 | 168 | |
4dbda6f0 NN |
169 | # these tools are built using the target libraries, and are intended to |
170 | # run only in the target environment | |
6599da04 | 171 | # |
4dbda6f0 | 172 | # note: any program that *uses* libraries that are in the "target_libraries" |
1bcce263 | 173 | # list belongs in this list. |
6599da04 | 174 | # |
85bfb75e | 175 | target_tools="target-rda" |
6599da04 JM |
176 | |
177 | ################################################################################ | |
178 | ||
6599da04 JM |
179 | ## All tools belong in one of the four categories, and are assigned above |
180 | ## We assign ${configdirs} this way to remove all embedded newlines. This | |
181 | ## is important because configure will choke if they ever get through. | |
182 | ## ${configdirs} is directories we build using the host tools. | |
183 | ## ${target_configdirs} is directories we build using the target tools. | |
6599da04 | 184 | configdirs=`echo ${host_libs} ${host_tools}` |
4dbda6f0 | 185 | target_configdirs=`echo ${target_libraries} ${target_tools}` |
71b5d516 | 186 | build_configdirs=`echo ${build_libs} ${build_tools}` |
8b87bb96 | 187 | |
ac9e6043 | 188 | m4_divert_text([PARSE_ARGS], |
87841584 AM |
189 | [case $srcdir in |
190 | *" "*) | |
191 | m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl | |
192 | AC_MSG_ERROR([path to source, $srcdir, contains spaces]) | |
193 | m4_popdef([AS_MESSAGE_LOG_FD])dnl | |
194 | ;; | |
195 | esac | |
196 | ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` | |
ac9e6043 RW |
197 | ]) |
198 | ||
6599da04 JM |
199 | ################################################################################ |
200 | ||
6599da04 JM |
201 | srcname="gnu development package" |
202 | ||
203 | # This gets set non-empty for some net releases of packages. | |
204 | appdirs="" | |
205 | ||
e1848dde NN |
206 | # Define is_cross_compiler to save on calls to 'test'. |
207 | is_cross_compiler= | |
208 | if test x"${host}" = x"${target}" ; then | |
209 | is_cross_compiler=no | |
210 | else | |
211 | is_cross_compiler=yes | |
212 | fi | |
213 | ||
b4acb5ef | 214 | # Find the build and target subdir names. |
8b87bb96 | 215 | GCC_TOPLEV_SUBDIRS |
0db770bd RW |
216 | # Be sure to cover against remnants of an in-tree build. |
217 | if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then | |
218 | AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. | |
219 | Use a pristine source tree when building in a separate tree]) | |
220 | fi | |
f653f0ab | 221 | |
55380b08 NN |
222 | # Skipdirs are removed silently. |
223 | skipdirs= | |
224 | # Noconfigdirs are removed loudly. | |
225 | noconfigdirs="" | |
6599da04 | 226 | |
55380b08 NN |
227 | use_gnu_ld= |
228 | # Make sure we don't let GNU ld be added if we didn't want it. | |
229 | if test x$with_gnu_ld = xno ; then | |
230 | use_gnu_ld=no | |
5afab7ad | 231 | noconfigdirs="$noconfigdirs ld gold" |
6599da04 JM |
232 | fi |
233 | ||
55380b08 NN |
234 | use_gnu_as= |
235 | # Make sure we don't let GNU as be added if we didn't want it. | |
236 | if test x$with_gnu_as = xno ; then | |
237 | use_gnu_as=no | |
238 | noconfigdirs="$noconfigdirs gas" | |
6599da04 JM |
239 | fi |
240 | ||
d7f09764 | 241 | use_included_zlib= |
a05c2c75 L |
242 | AC_ARG_WITH(system-zlib, |
243 | [AS_HELP_STRING([--with-system-zlib], [use installed libz])]) | |
d7f09764 DN |
244 | # Make sure we don't let ZLIB be added if we didn't want it. |
245 | if test x$with_system_zlib = xyes ; then | |
246 | use_included_zlib=no | |
247 | noconfigdirs="$noconfigdirs zlib" | |
248 | fi | |
249 | ||
55380b08 NN |
250 | # some tools are so dependent upon X11 that if we're not building with X, |
251 | # it's not even worth trying to configure, much less build, that tool. | |
6599da04 | 252 | |
55380b08 NN |
253 | case ${with_x} in |
254 | yes | "") ;; # the default value for this tree is that X11 is available | |
423ce3eb | 255 | no) |
b4f96efe | 256 | skipdirs="${skipdirs} tk itcl libgui" |
423ce3eb NN |
257 | # We won't be able to build gdbtk without X. |
258 | enable_gdbtk=no | |
259 | ;; | |
55380b08 NN |
260 | *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; |
261 | esac | |
6599da04 | 262 | |
1bcce263 | 263 | # Some are only suitable for cross toolchains. |
95ddd785 NN |
264 | # Remove these if host=target. |
265 | cross_only="target-libgloss target-newlib target-opcodes" | |
6599da04 | 266 | |
55380b08 NN |
267 | case $is_cross_compiler in |
268 | no) skipdirs="${skipdirs} ${cross_only}" ;; | |
55380b08 | 269 | esac |
6599da04 | 270 | |
0c639b89 DD |
271 | # If both --with-headers and --with-libs are specified, default to |
272 | # --without-newlib. | |
9082a750 MR |
273 | if test x"${with_headers}" != x && test x"${with_headers}" != xno \ |
274 | && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then | |
0c639b89 DD |
275 | if test x"${with_newlib}" = x ; then |
276 | with_newlib=no | |
277 | fi | |
278 | fi | |
279 | ||
280 | # Recognize --with-newlib/--without-newlib. | |
281 | case ${with_newlib} in | |
282 | no) skipdirs="${skipdirs} target-newlib" ;; | |
283 | yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; | |
284 | esac | |
285 | ||
85c64bbe BS |
286 | AC_ARG_ENABLE(as-accelerator-for, |
287 | [AS_HELP_STRING([--enable-as-accelerator-for=ARG], | |
288 | [build as offload target compiler. | |
4b4f2e35 | 289 | Specify offload host triple by ARG])]) |
85c64bbe BS |
290 | |
291 | AC_ARG_ENABLE(offload-targets, | |
292 | [AS_HELP_STRING([--enable-offload-targets=LIST], | |
293 | [enable offloading to devices from comma-separated LIST of | |
294 | TARGET[=DIR]. Use optional path to find offload target compiler | |
295 | during the build])], | |
296 | [ | |
297 | if test x"$enable_offload_targets" = x; then | |
298 | AC_MSG_ERROR([no offload targets specified]) | |
299 | fi | |
300 | ], [enable_offload_targets=]) | |
301 | ||
fe5bfa67 TB |
302 | AC_ARG_ENABLE(offload-defaulted, |
303 | [AS_HELP_STRING([--enable-offload-defaulted] | |
304 | [If enabled, configured but not installed offload compilers and | |
305 | libgomp plugins are silently ignored. Useful for distribution | |
306 | compilers where those are in separate optional packages.])], | |
307 | [enable_offload_defaulted=$enableval], | |
308 | [enable_offload_defaulted=]) | |
309 | ||
21539e2e MK |
310 | # Handle --enable-gold, --enable-ld. |
311 | # --disable-gold [--enable-ld] | |
312 | # Build only ld. Default option. | |
9580395f L |
313 | # --enable-gold [--enable-ld] |
314 | # Build both gold and ld. Install gold as "ld.gold", install ld | |
315 | # as "ld.bfd" and "ld". | |
316 | # --enable-gold=default [--enable-ld] | |
21539e2e MK |
317 | # Build both gold and ld. Install gold as "ld.gold" and "ld", |
318 | # install ld as "ld.bfd". | |
319 | # --enable-gold[=default] --disable-ld | |
320 | # Build only gold, which is then installed as both "ld.gold" and "ld". | |
321 | # --enable-gold --enable-ld=default | |
9580395f L |
322 | # Build both gold (installed as "ld.gold") and ld (installed as "ld" |
323 | # and ld.bfd). | |
21539e2e MK |
324 | # In other words, ld is default |
325 | # --enable-gold=default --enable-ld=default | |
326 | # Error. | |
327 | ||
328 | default_ld= | |
5afab7ad | 329 | AC_ARG_ENABLE(gold, |
33e39b66 AS |
330 | [AS_HELP_STRING([[--enable-gold[=ARG]]], |
331 | [build gold @<:@ARG={default,yes,no}@:>@])], | |
5afab7ad ILT |
332 | ENABLE_GOLD=$enableval, |
333 | ENABLE_GOLD=no) | |
21539e2e MK |
334 | case "${ENABLE_GOLD}" in |
335 | yes|default) | |
38e3d868 RM |
336 | # Check for ELF target. |
337 | is_elf=no | |
338 | case "${target}" in | |
339 | *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ | |
0e76460f | 340 | | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ |
8c6d158a | 341 | | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ |
ff4b7a7e | 342 | | *-*-solaris2* | *-*-nto* | *-*-nacl*) |
38e3d868 RM |
343 | case "${target}" in |
344 | *-*-linux*aout* | *-*-linux*oldld*) | |
345 | ;; | |
346 | *) | |
347 | is_elf=yes | |
348 | ;; | |
349 | esac | |
350 | esac | |
351 | ||
352 | if test "$is_elf" = "yes"; then | |
353 | # Check for target supported by gold. | |
5afab7ad | 354 | case "${target}" in |
7705dfd1 | 355 | i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ |
c6c0594e | 356 | | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-* | loongarch*-*-*) |
21539e2e MK |
357 | configdirs="$configdirs gold" |
358 | if test x${ENABLE_GOLD} = xdefault; then | |
359 | default_ld=gold | |
360 | fi | |
38e3d868 | 361 | ENABLE_GOLD=yes |
5afab7ad ILT |
362 | ;; |
363 | esac | |
38e3d868 RM |
364 | fi |
365 | ;; | |
366 | no) | |
367 | ;; | |
368 | *) | |
369 | AC_MSG_ERROR([invalid --enable-gold argument]) | |
370 | ;; | |
21539e2e MK |
371 | esac |
372 | ||
373 | AC_ARG_ENABLE(ld, | |
33e39b66 AS |
374 | [AS_HELP_STRING([[--enable-ld[=ARG]]], |
375 | [build ld @<:@ARG={default,yes,no}@:>@])], | |
21539e2e MK |
376 | ENABLE_LD=$enableval, |
377 | ENABLE_LD=yes) | |
378 | ||
379 | case "${ENABLE_LD}" in | |
380 | default) | |
9580395f | 381 | if test x${default_ld} != x; then |
21539e2e MK |
382 | AC_MSG_ERROR([either gold or ld can be the default ld]) |
383 | fi | |
384 | ;; | |
385 | yes) | |
386 | ;; | |
387 | no) | |
388 | if test x${ENABLE_GOLD} != xyes; then | |
389 | AC_MSG_WARN([neither ld nor gold are enabled]) | |
390 | fi | |
391 | configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` | |
392 | ;; | |
393 | *) | |
394 | AC_MSG_ERROR([invalid --enable-ld argument]) | |
395 | ;; | |
396 | esac | |
5afab7ad | 397 | |
78edb32f L |
398 | # PR gas/19109 |
399 | # Decide the default method for compressing debug sections. | |
400 | # Provide a configure time option to override our default. | |
401 | AC_ARG_ENABLE(compressed_debug_sections, | |
324402a0 | 402 | [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], |
78edb32f L |
403 | [Enable compressed debug sections for gas, gold or ld by |
404 | default])], | |
405 | [ | |
406 | if test x"$enable_compressed_debug_sections" = xyes; then | |
407 | AC_MSG_ERROR([no program with compressed debug sections specified]) | |
408 | fi | |
409 | ], [enable_compressed_debug_sections=]) | |
410 | ||
6599da04 JM |
411 | # Configure extra directories which are host specific |
412 | ||
413 | case "${host}" in | |
55380b08 | 414 | *-cygwin*) |
4977bab6 | 415 | configdirs="$configdirs libtermcap" ;; |
6599da04 JM |
416 | esac |
417 | ||
4fab7234 HPN |
418 | # A target can indicate whether a language isn't supported for some reason. |
419 | # Only spaces may be used in this macro; not newlines or tabs. | |
420 | unsupported_languages= | |
421 | ||
6599da04 JM |
422 | # Remove more programs from consideration, based on the host or |
423 | # target this usually means that a port of the program doesn't | |
424 | # exist yet. | |
425 | ||
6599da04 | 426 | case "${host}" in |
111eeb6e | 427 | i[[3456789]]86-*-msdosdjgpp*) |
c9bdb152 | 428 | noconfigdirs="$noconfigdirs tcl tk itcl" |
5d4a5ee6 | 429 | ;; |
6599da04 JM |
430 | esac |
431 | ||
6de9cd9a | 432 | |
87e6d9dc TB |
433 | AC_ARG_ENABLE(libquadmath, |
434 | AS_HELP_STRING([--disable-libquadmath], | |
435 | [do not build libquadmath directory]), | |
436 | ENABLE_LIBQUADMATH=$enableval, | |
437 | ENABLE_LIBQUADMATH=yes) | |
438 | if test "${ENABLE_LIBQUADMATH}" = "no" ; then | |
439 | noconfigdirs="$noconfigdirs target-libquadmath" | |
440 | fi | |
441 | ||
442 | ||
443 | AC_ARG_ENABLE(libquadmath-support, | |
444 | AS_HELP_STRING([--disable-libquadmath-support], | |
445 | [disable libquadmath support for Fortran]), | |
446 | ENABLE_LIBQUADMATH_SUPPORT=$enableval, | |
447 | ENABLE_LIBQUADMATH_SUPPORT=yes) | |
448 | enable_libquadmath_support= | |
449 | if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then | |
450 | enable_libquadmath_support=no | |
451 | fi | |
452 | ||
453 | ||
d9cdb878 | 454 | AC_ARG_ENABLE(libada, |
33e39b66 | 455 | [AS_HELP_STRING([--enable-libada], [build libada directory])], |
d9cdb878 AC |
456 | ENABLE_LIBADA=$enableval, |
457 | ENABLE_LIBADA=yes) | |
458 | if test "${ENABLE_LIBADA}" != "yes" ; then | |
5395b47b | 459 | noconfigdirs="$noconfigdirs gnattools" |
d9cdb878 AC |
460 | fi |
461 | ||
ef0087a7 | 462 | AC_ARG_ENABLE(libssp, |
33e39b66 | 463 | [AS_HELP_STRING([--enable-libssp], [build libssp directory])], |
ef0087a7 KH |
464 | ENABLE_LIBSSP=$enableval, |
465 | ENABLE_LIBSSP=yes) | |
ef0087a7 | 466 | |
2588b26e RM |
467 | AC_ARG_ENABLE(libstdcxx, |
468 | AS_HELP_STRING([--disable-libstdcxx], | |
469 | [do not build libstdc++-v3 directory]), | |
470 | ENABLE_LIBSTDCXX=$enableval, | |
471 | ENABLE_LIBSTDCXX=default) | |
472 | [if test "${ENABLE_LIBSTDCXX}" = "no" ; then | |
1007a55c | 473 | noconfigdirs="$noconfigdirs target-libstdc++-v3" |
2588b26e RM |
474 | fi] |
475 | ||
5f520819 KY |
476 | # If this is accelerator compiler and its target is intelmic we enable |
477 | # target liboffloadmic by default. If this is compiler with offloading | |
478 | # for intelmic we enable host liboffloadmic by default. Otherwise | |
479 | # liboffloadmic is disabled by default. | |
480 | AC_ARG_ENABLE([liboffloadmic], | |
481 | AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], | |
482 | [build liboffloadmic @<:@ARG={no,host,target}@:>@]), | |
483 | [case "$enableval" in | |
484 | no | host | target) | |
485 | enable_liboffloadmic=$enableval ;; | |
486 | *) | |
487 | AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; | |
488 | esac], | |
4b4f2e35 | 489 | [if test x"$enable_as_accelerator_for" != x; then |
5f520819 KY |
490 | case "${target}" in |
491 | *-intelmic-* | *-intelmicemul-*) | |
492 | enable_liboffloadmic=target | |
493 | extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" | |
494 | ;; | |
495 | *) | |
496 | enable_liboffloadmic=no | |
497 | ;; | |
498 | esac | |
499 | else | |
500 | case "${enable_offload_targets}" in | |
501 | *-intelmic-* | *-intelmicemul-*) | |
502 | enable_liboffloadmic=host | |
503 | extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" | |
504 | ;; | |
505 | *) | |
506 | enable_liboffloadmic=no | |
507 | ;; | |
508 | esac | |
509 | fi]) | |
510 | AC_SUBST(extra_liboffloadmic_configure_flags) | |
511 | ||
44a7d18d | 512 | # Enable libgomp by default on hosted POSIX systems, and a few others. |
27079765 | 513 | if test x$enable_libgomp = x ; then |
953ff289 | 514 | case "${target}" in |
416ac4d4 | 515 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) |
953ff289 | 516 | ;; |
8c6d158a | 517 | *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) |
953ff289 | 518 | ;; |
b24513a1 | 519 | *-*-solaris2* | *-*-hpux11*) |
953ff289 | 520 | ;; |
cac90078 | 521 | *-*-darwin* | *-*-aix*) |
953ff289 | 522 | ;; |
29b1533a | 523 | nvptx*-*-* | amdgcn*-*-*) |
44a7d18d | 524 | ;; |
953ff289 DN |
525 | *) |
526 | noconfigdirs="$noconfigdirs target-libgomp" | |
527 | ;; | |
528 | esac | |
27079765 | 529 | fi |
953ff289 | 530 | |
48310492 RH |
531 | # Disable libatomic on unsupported systems. |
532 | if test -d ${srcdir}/libatomic; then | |
533 | if test x$enable_libatomic = x; then | |
534 | AC_MSG_CHECKING([for libatomic support]) | |
535 | if (srcdir=${srcdir}/libatomic; \ | |
536 | . ${srcdir}/configure.tgt; \ | |
537 | test -n "$UNSUPPORTED") | |
538 | then | |
539 | AC_MSG_RESULT([no]) | |
540 | noconfigdirs="$noconfigdirs target-libatomic" | |
541 | else | |
542 | AC_MSG_RESULT([yes]) | |
543 | fi | |
544 | fi | |
545 | fi | |
546 | ||
5f520819 KY |
547 | # Disable liboffloadmic on unsupported systems. |
548 | if test -d ${srcdir}/liboffloadmic; then | |
549 | if test x$enable_liboffloadmic != xno; then | |
550 | AC_MSG_CHECKING([for liboffloadmic support]) | |
551 | if (srcdir=${srcdir}/liboffloadmic; \ | |
552 | . ${srcdir}/configure.tgt; \ | |
553 | test -n "$UNSUPPORTED") | |
554 | then | |
555 | AC_MSG_RESULT([no]) | |
556 | noconfigdirs="$noconfigdirs target-liboffloadmic" | |
557 | else | |
558 | AC_MSG_RESULT([yes]) | |
559 | fi | |
560 | fi | |
561 | fi | |
562 | ||
e948157d RH |
563 | # Disable libitm on unsupported systems. |
564 | if test -d ${srcdir}/libitm; then | |
565 | if test x$enable_libitm = x; then | |
566 | AC_MSG_CHECKING([for libitm support]) | |
567 | if (srcdir=${srcdir}/libitm; \ | |
568 | . ${srcdir}/configure.tgt; \ | |
569 | test -n "$UNSUPPORTED") | |
570 | then | |
571 | AC_MSG_RESULT([no]) | |
572 | noconfigdirs="$noconfigdirs target-libitm" | |
573 | else | |
574 | AC_MSG_RESULT([yes]) | |
575 | fi | |
576 | fi | |
0a35513e AH |
577 | fi |
578 | ||
93bf5390 RH |
579 | # Disable libsanitizer on unsupported systems. |
580 | if test -d ${srcdir}/libsanitizer; then | |
581 | if test x$enable_libsanitizer = x; then | |
582 | AC_MSG_CHECKING([for libsanitizer support]) | |
583 | if (srcdir=${srcdir}/libsanitizer; \ | |
584 | . ${srcdir}/configure.tgt; \ | |
585 | test -n "$UNSUPPORTED") | |
586 | then | |
587 | AC_MSG_RESULT([no]) | |
588 | noconfigdirs="$noconfigdirs target-libsanitizer" | |
589 | else | |
590 | AC_MSG_RESULT([yes]) | |
591 | fi | |
592 | fi | |
593 | fi | |
594 | ||
2077db1b CT |
595 | # Disable libvtv on unsupported systems. |
596 | if test -d ${srcdir}/libvtv; then | |
597 | if test x$enable_libvtv = x; then | |
598 | AC_MSG_CHECKING([for libvtv support]) | |
599 | if (srcdir=${srcdir}/libvtv; \ | |
600 | . ${srcdir}/configure.tgt; \ | |
1e74b850 | 601 | test "$VTV_SUPPORTED" != "yes") |
2077db1b CT |
602 | then |
603 | AC_MSG_RESULT([no]) | |
604 | noconfigdirs="$noconfigdirs target-libvtv" | |
605 | else | |
606 | AC_MSG_RESULT([yes]) | |
607 | fi | |
608 | fi | |
609 | fi | |
610 | ||
d7a29167 DE |
611 | # Disable libquadmath for some systems. |
612 | case "${target}" in | |
e7fae550 DE |
613 | avr-*-*) |
614 | noconfigdirs="$noconfigdirs target-libquadmath" | |
615 | ;; | |
d7a29167 DE |
616 | # libquadmath is unused on AIX and libquadmath build process use of |
617 | # LD_LIBRARY_PATH can break AIX bootstrap. | |
618 | powerpc-*-aix* | rs6000-*-aix*) | |
619 | noconfigdirs="$noconfigdirs target-libquadmath" | |
620 | ;; | |
621 | esac | |
622 | ||
1e9e0e23 JM |
623 | # Disable libssp for some systems. |
624 | case "${target}" in | |
625 | avr-*-*) | |
b318fb4b | 626 | # No hosted I/O support. |
1e9e0e23 JM |
627 | noconfigdirs="$noconfigdirs target-libssp" |
628 | ;; | |
91dfef96 JM |
629 | bpf-*-*) |
630 | noconfigdirs="$noconfigdirs target-libssp" | |
631 | ;; | |
1e9e0e23 JM |
632 | powerpc-*-aix* | rs6000-*-aix*) |
633 | noconfigdirs="$noconfigdirs target-libssp" | |
634 | ;; | |
8d2af3a2 DD |
635 | pru-*-*) |
636 | # No hosted I/O support. | |
637 | noconfigdirs="$noconfigdirs target-libssp" | |
638 | ;; | |
85b8555e DD |
639 | rl78-*-*) |
640 | # libssp uses a misaligned load to trigger a fault, but the RL78 | |
641 | # doesn't fault for those - instead, it gives a build-time error | |
642 | # for explicit misaligned loads. | |
643 | noconfigdirs="$noconfigdirs target-libssp" | |
644 | ;; | |
0969ec7d EB |
645 | visium-*-*) |
646 | # No hosted I/O support. | |
647 | noconfigdirs="$noconfigdirs target-libssp" | |
648 | ;; | |
1e9e0e23 JM |
649 | esac |
650 | ||
1e9e0e23 | 651 | # Disable libstdc++-v3 for some systems. |
67a1cb2a | 652 | # Allow user to override this if they pass --enable-libstdcxx |
2588b26e RM |
653 | if test "${ENABLE_LIBSTDCXX}" = "default" ; then |
654 | case "${target}" in | |
655 | *-*-vxworks*) | |
656 | # VxWorks uses the Dinkumware C++ library. | |
657 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
658 | ;; | |
afa3d80e TS |
659 | amdgcn*-*-*) |
660 | # Not ported/fails to build when using newlib. | |
661 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
662 | ;; | |
2588b26e RM |
663 | arm*-wince-pe*) |
664 | # the C++ libraries don't build on top of CE's C libraries | |
665 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
666 | ;; | |
667 | avr-*-*) | |
668 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
669 | ;; | |
91dfef96 JM |
670 | bpf-*-*) |
671 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
672 | ;; | |
fef939d6 JB |
673 | ft32-*-*) |
674 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
675 | ;; | |
2588b26e RM |
676 | esac |
677 | fi | |
1e9e0e23 | 678 | |
91dfef96 JM |
679 | # Disable C++ on systems where it is known to not work. |
680 | # For testing, you can override this with --enable-languages=c++. | |
681 | case ,${enable_languages}, in | |
682 | *,c++,*) | |
683 | ;; | |
684 | *) | |
685 | case "${target}" in | |
686 | bpf-*-*) | |
687 | unsupported_languages="$unsupported_languages c++" | |
688 | ;; | |
689 | esac | |
690 | ;; | |
691 | esac | |
692 | ||
693 | # Disable Objc on systems where it is known to not work. | |
694 | # For testing, you can override this with --enable-languages=objc. | |
695 | case ,${enable_languages}, in | |
696 | *,objc,*) | |
697 | ;; | |
698 | *) | |
699 | case "${target}" in | |
700 | bpf-*-*) | |
701 | unsupported_languages="$unsupported_languages objc" | |
702 | ;; | |
703 | esac | |
704 | ;; | |
705 | esac | |
706 | ||
260eedb9 IB |
707 | # Disable D on systems where it is known to not work. |
708 | # For testing, you can override this with --enable-languages=d. | |
709 | case ,${enable_languages}, in | |
710 | *,d,*) | |
711 | ;; | |
712 | *) | |
713 | case "${target}" in | |
91dfef96 | 714 | bpf-*-*) |
260eedb9 IB |
715 | unsupported_languages="$unsupported_languages d" |
716 | ;; | |
717 | esac | |
718 | ;; | |
719 | esac | |
720 | ||
721 | # Disable libphobos on unsupported systems. | |
722 | # For testing, you can override this with --enable-libphobos. | |
723 | if test -d ${srcdir}/libphobos; then | |
724 | if test x$enable_libphobos = x; then | |
725 | AC_MSG_CHECKING([for libphobos support]) | |
726 | if (srcdir=${srcdir}/libphobos; \ | |
727 | . ${srcdir}/configure.tgt; \ | |
7d31d331 | 728 | test "$LIBPHOBOS_SUPPORTED" != "yes") |
260eedb9 IB |
729 | then |
730 | AC_MSG_RESULT([no]) | |
731 | noconfigdirs="$noconfigdirs target-libphobos" | |
732 | else | |
733 | AC_MSG_RESULT([yes]) | |
734 | fi | |
735 | fi | |
736 | fi | |
737 | ||
1e9e0e23 JM |
738 | # Disable Fortran for some systems. |
739 | case "${target}" in | |
740 | mmix-*-*) | |
741 | # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. | |
742 | unsupported_languages="$unsupported_languages fortran" | |
743 | ;; | |
91dfef96 JM |
744 | bpf-*-*) |
745 | unsupported_languages="$unsupported_languages fortran" | |
746 | ;; | |
1e9e0e23 JM |
747 | esac |
748 | ||
012447ea JJ |
749 | # Disable libffi for some systems. |
750 | case "${target}" in | |
751 | powerpc-*-darwin*) | |
752 | ;; | |
753 | i[[3456789]]86-*-darwin*) | |
754 | ;; | |
755 | x86_64-*-darwin[[912]]*) | |
756 | ;; | |
757 | *-*-darwin*) | |
758 | noconfigdirs="$noconfigdirs target-libffi" | |
759 | ;; | |
760 | *-*-netware*) | |
761 | noconfigdirs="$noconfigdirs target-libffi" | |
762 | ;; | |
763 | *-*-phoenix*) | |
764 | noconfigdirs="$noconfigdirs target-libffi" | |
765 | ;; | |
766 | *-*-rtems*) | |
767 | noconfigdirs="$noconfigdirs target-libffi" | |
768 | ;; | |
769 | *-*-tpf*) | |
770 | noconfigdirs="$noconfigdirs target-libffi" | |
771 | ;; | |
772 | *-*-uclinux*) | |
773 | noconfigdirs="$noconfigdirs target-libffi" | |
774 | ;; | |
775 | *-*-vxworks*) | |
776 | noconfigdirs="$noconfigdirs target-libffi" | |
777 | ;; | |
b20e7532 AT |
778 | aarch64*-*-freebsd*) |
779 | noconfigdirs="$noconfigdirs target-libffi" | |
780 | ;; | |
012447ea JJ |
781 | alpha*-*-*vms*) |
782 | noconfigdirs="$noconfigdirs target-libffi" | |
783 | ;; | |
784 | arm*-*-freebsd*) | |
785 | noconfigdirs="$noconfigdirs target-libffi" | |
786 | ;; | |
787 | arm-wince-pe) | |
788 | noconfigdirs="$noconfigdirs target-libffi" | |
789 | ;; | |
790 | arm*-*-symbianelf*) | |
791 | noconfigdirs="$noconfigdirs target-libffi" | |
792 | ;; | |
91dfef96 JM |
793 | bpf-*-*) |
794 | noconfigdirs="$noconfigdirs target-libffi" | |
795 | ;; | |
012447ea JJ |
796 | cris-*-* | crisv32-*-*) |
797 | case "${target}" in | |
798 | *-*-linux*) | |
799 | ;; | |
800 | *) # See PR46792 regarding target-libffi. | |
801 | noconfigdirs="$noconfigdirs target-libffi";; | |
802 | esac | |
803 | ;; | |
804 | hppa*64*-*-hpux*) | |
805 | noconfigdirs="$noconfigdirs target-libffi" | |
806 | ;; | |
807 | hppa*-hp-hpux11*) | |
808 | ;; | |
809 | hppa*-*-hpux*) | |
810 | noconfigdirs="$noconfigdirs target-libffi" | |
811 | ;; | |
812 | ia64*-*-*vms*) | |
813 | noconfigdirs="$noconfigdirs target-libffi" | |
814 | ;; | |
815 | i[[3456789]]86-w64-mingw*) | |
816 | noconfigdirs="$noconfigdirs target-libffi" | |
817 | ;; | |
818 | i[[3456789]]86-*-mingw*) | |
819 | noconfigdirs="$noconfigdirs target-libffi" | |
820 | ;; | |
821 | x86_64-*-mingw*) | |
822 | noconfigdirs="$noconfigdirs target-libffi" | |
823 | ;; | |
824 | mmix-*-*) | |
825 | noconfigdirs="$noconfigdirs target-libffi" | |
826 | ;; | |
827 | powerpc-*-aix*) | |
012447ea JJ |
828 | ;; |
829 | rs6000-*-aix*) | |
012447ea JJ |
830 | ;; |
831 | ft32-*-*) | |
832 | noconfigdirs="$noconfigdirs target-libffi" | |
833 | ;; | |
834 | *-*-lynxos*) | |
835 | noconfigdirs="$noconfigdirs target-libffi" | |
836 | ;; | |
837 | esac | |
838 | ||
839 | # Disable the go frontend on systems where it is known to not work. Please keep | |
840 | # this in sync with contrib/config-list.mk. | |
841 | case "${target}" in | |
91dfef96 | 842 | *-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* ) |
012447ea JJ |
843 | unsupported_languages="$unsupported_languages go" |
844 | ;; | |
845 | esac | |
846 | ||
f9d09df0 TT |
847 | # Only allow gdbserver on some systems. |
848 | if test -d ${srcdir}/gdbserver; then | |
849 | if test x$enable_gdbserver = x; then | |
850 | AC_MSG_CHECKING([for gdbserver support]) | |
851 | if (srcdir=${srcdir}/gdbserver; \ | |
852 | . ${srcdir}/configure.srv; \ | |
853 | test -n "$UNSUPPORTED") | |
854 | then | |
855 | AC_MSG_RESULT([no]) | |
856 | noconfigdirs="$noconfigdirs gdbserver" | |
857 | else | |
858 | AC_MSG_RESULT([yes]) | |
859 | fi | |
860 | fi | |
861 | fi | |
862 | ||
cdbc9e92 ILT |
863 | # Disable libgo for some systems where it is known to not work. |
864 | # For testing, you can easily override this with --enable-libgo. | |
865 | if test x$enable_libgo = x; then | |
866 | case "${target}" in | |
867 | *-*-darwin*) | |
868 | # PR 46986 | |
869 | noconfigdirs="$noconfigdirs target-libgo" | |
870 | ;; | |
871 | *-*-cygwin* | *-*-mingw*) | |
872 | noconfigdirs="$noconfigdirs target-libgo" | |
873 | ;; | |
91dfef96 JM |
874 | bpf-*-*) |
875 | noconfigdirs="$noconfigdirs target-libgo" | |
876 | ;; | |
cdbc9e92 ILT |
877 | esac |
878 | fi | |
879 | ||
c03353e2 RIL |
880 | # Default libgloss CPU subdirectory. |
881 | libgloss_dir="$target_cpu" | |
6de9cd9a | 882 | |
fbcf0dca JM |
883 | case "${target}" in |
884 | sh*-*-pe|mips*-*-pe|*arm-wince-pe) | |
885 | libgloss_dir=wince | |
886 | ;; | |
4dddfc74 YZ |
887 | aarch64*-*-* ) |
888 | libgloss_dir=aarch64 | |
889 | ;; | |
fbcf0dca JM |
890 | arm*-*-*) |
891 | libgloss_dir=arm | |
892 | ;; | |
893 | cris-*-* | crisv32-*-*) | |
894 | libgloss_dir=cris | |
895 | ;; | |
896 | hppa*-*-*) | |
897 | libgloss_dir=pa | |
898 | ;; | |
899 | i[[3456789]]86-*-*) | |
900 | libgloss_dir=i386 | |
901 | ;; | |
c6c0594e | 902 | loongarch*-*-*) |
903 | libgloss_dir=loongarch | |
904 | ;; | |
fbcf0dca JM |
905 | m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) |
906 | libgloss_dir=m68hc11 | |
907 | ;; | |
908 | m68*-*-* | fido-*-*) | |
909 | libgloss_dir=m68k | |
910 | ;; | |
911 | mips*-*-*) | |
912 | libgloss_dir=mips | |
913 | ;; | |
914 | powerpc*-*-*) | |
915 | libgloss_dir=rs6000 | |
916 | ;; | |
8d2af3a2 DD |
917 | pru-*-*) |
918 | libgloss_dir=pru | |
919 | ;; | |
fbcf0dca JM |
920 | sparc*-*-*) |
921 | libgloss_dir=sparc | |
922 | ;; | |
923 | esac | |
924 | ||
6a789d5e | 925 | # Disable newlib and libgloss for various target OSes. |
6599da04 | 926 | case "${target}" in |
6a789d5e JM |
927 | alpha*-dec-osf*) |
928 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
929 | ;; | |
930 | i[[3456789]]86-*-linux*) | |
931 | # This section makes it possible to build newlib natively on linux. | |
932 | # If we are using a cross compiler then don't configure newlib. | |
933 | if test x${is_cross_compiler} != xno ; then | |
934 | noconfigdirs="$noconfigdirs target-newlib" | |
935 | fi | |
936 | noconfigdirs="$noconfigdirs target-libgloss" | |
937 | # If we are not using a cross compiler, do configure newlib. | |
938 | # Note however, that newlib will only be configured in this situation | |
939 | # if the --with-newlib option has been given, because otherwise | |
940 | # 'target-newlib' will appear in skipdirs. | |
941 | ;; | |
942 | i[[3456789]]86-*-rdos*) | |
943 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
944 | ;; | |
945 | sh*-*-pe|mips*-*-pe|arm-wince-pe) | |
946 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
947 | ;; | |
948 | sparc-*-sunos4*) | |
949 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
950 | ;; | |
91dfef96 JM |
951 | bpf-*-*) |
952 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
953 | ;; | |
6a789d5e JM |
954 | *-*-aix*) |
955 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
956 | ;; | |
957 | *-*-beos*) | |
958 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
959 | ;; | |
3fa03ff9 | 960 | *-*-chorusos) |
0036370f | 961 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" |
3fa03ff9 | 962 | ;; |
6a789d5e JM |
963 | *-*-dragonfly*) |
964 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
965 | ;; | |
966 | *-*-freebsd*) | |
967 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
968 | ;; | |
969 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) | |
970 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
971 | ;; | |
972 | *-*-lynxos*) | |
973 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
974 | ;; | |
975 | *-*-mingw*) | |
976 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
977 | ;; | |
978 | *-*-netbsd*) | |
979 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
980 | ;; | |
981 | *-*-netware*) | |
982 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
983 | ;; | |
984 | *-*-tpf*) | |
985 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
986 | ;; | |
987 | *-*-uclinux*) | |
988 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
989 | ;; | |
990 | *-*-vxworks*) | |
991 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
992 | ;; | |
993 | esac | |
994 | ||
995 | case "${target}" in | |
996 | *-*-chorusos) | |
997 | ;; | |
3be96231 TG |
998 | aarch64-*-darwin*) |
999 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
1000 | noconfigdirs="$noconfigdirs sim target-rda" | |
1001 | ;; | |
7431c1a1 AS |
1002 | amdgcn*-*-*) |
1003 | ;; | |
3be96231 TG |
1004 | arm-*-darwin*) |
1005 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
1006 | noconfigdirs="$noconfigdirs sim target-rda" | |
1007 | ;; | |
75eeae1a | 1008 | powerpc-*-darwin*) |
e1514c3f | 1009 | noconfigdirs="$noconfigdirs ld gas gdb gprof" |
9c8f9ec2 | 1010 | noconfigdirs="$noconfigdirs sim target-rda" |
940cde4d | 1011 | ;; |
354ebf88 RW |
1012 | i[[3456789]]86-*-darwin*) |
1013 | noconfigdirs="$noconfigdirs ld gprof" | |
1014 | noconfigdirs="$noconfigdirs sim target-rda" | |
1015 | ;; | |
1016 | x86_64-*-darwin[[912]]*) | |
0db3a858 TG |
1017 | noconfigdirs="$noconfigdirs ld gas gprof" |
1018 | noconfigdirs="$noconfigdirs sim target-rda" | |
1019 | ;; | |
42c1cd8a AT |
1020 | *-*-darwin*) |
1021 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
1022 | noconfigdirs="$noconfigdirs sim target-rda" | |
42c1cd8a | 1023 | ;; |
8c6d158a | 1024 | *-*-dragonfly*) |
8c6d158a | 1025 | ;; |
c3f84f61 | 1026 | *-*-freebsd*) |
88252529 | 1027 | if test "x$with_gmp" = x \ |
c0d0a722 | 1028 | && ! test -d ${srcdir}/gmp \ |
6de9cd9a DN |
1029 | && test -f /usr/local/include/gmp.h; then |
1030 | with_gmp=/usr/local | |
1031 | fi | |
6de9cd9a | 1032 | ;; |
ef4e7569 US |
1033 | *-*-kaos*) |
1034 | # Remove unsupported stuff on all kaOS configurations. | |
ef4e7569 US |
1035 | noconfigdirs="$noconfigdirs target-libgloss" |
1036 | ;; | |
51584787 | 1037 | *-*-netbsd*) |
51584787 | 1038 | ;; |
61fec9ff | 1039 | *-*-netware*) |
6599da04 | 1040 | ;; |
fd6487af JS |
1041 | *-*-phoenix*) |
1042 | noconfigdirs="$noconfigdirs target-libgloss" | |
1043 | ;; | |
3fbc0b70 | 1044 | *-*-rtems*) |
2909494b | 1045 | noconfigdirs="$noconfigdirs target-libgloss" |
3fbc0b70 | 1046 | ;; |
a8ba31f2 EC |
1047 | # The tpf target doesn't support gdb yet. |
1048 | *-*-tpf*) | |
6a789d5e | 1049 | noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" |
a8ba31f2 | 1050 | ;; |
5785c0ed | 1051 | *-*-uclinux*) |
6a789d5e | 1052 | noconfigdirs="$noconfigdirs target-rda" |
5785c0ed | 1053 | ;; |
6599da04 | 1054 | *-*-vxworks*) |
6599da04 | 1055 | ;; |
b104e095 | 1056 | alpha*-dec-osf*) |
603606e7 | 1057 | # ld works, but does not support shared libraries. |
6599da04 | 1058 | # gas doesn't generate exception information. |
6a789d5e | 1059 | noconfigdirs="$noconfigdirs gas ld" |
6599da04 JM |
1060 | ;; |
1061 | alpha*-*-*vms*) | |
2909494b | 1062 | noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" |
6599da04 JM |
1063 | ;; |
1064 | alpha*-*-*) | |
1065 | # newlib is not 64 bit ready | |
2909494b | 1066 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" |
6599da04 | 1067 | ;; |
91dfef96 JM |
1068 | bpf-*-*) |
1069 | noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace" | |
1070 | ;; | |
3a685f6f | 1071 | sh*-*-pe|mips*-*-pe|*arm-wince-pe) |
b4f96efe | 1072 | noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" |
3a685f6f | 1073 | ;; |
2fd88f4f AK |
1074 | arc*-*-*) |
1075 | noconfigdirs="$noconfigdirs sim" | |
1076 | ;; | |
6599da04 | 1077 | arm-*-pe*) |
2909494b | 1078 | noconfigdirs="$noconfigdirs target-libgloss" |
6599da04 | 1079 | ;; |
5d4a5ee6 | 1080 | arm-*-riscix*) |
0036370f | 1081 | noconfigdirs="$noconfigdirs ld target-libgloss" |
5d4a5ee6 | 1082 | ;; |
b588ae30 GJL |
1083 | avr-*-*) |
1084 | if test x${with_avrlibc} != xno; then | |
1085 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
1086 | fi | |
1087 | ;; | |
a5a438f5 | 1088 | c4x-*-* | tic4x-*-*) |
0036370f | 1089 | noconfigdirs="$noconfigdirs target-libgloss" |
ab50d72b | 1090 | ;; |
0036370f JM |
1091 | tic54x-*-*) |
1092 | noconfigdirs="$noconfigdirs target-libgloss gdb" | |
ab50d72b | 1093 | ;; |
6599da04 | 1094 | d10v-*-*) |
0036370f | 1095 | noconfigdirs="$noconfigdirs target-libgloss" |
d207ebef JM |
1096 | ;; |
1097 | d30v-*-*) | |
0036370f | 1098 | noconfigdirs="$noconfigdirs gdb" |
6599da04 | 1099 | ;; |
09b5f8bf | 1100 | fr30-*-elf*) |
2909494b | 1101 | noconfigdirs="$noconfigdirs gdb" |
09b5f8bf | 1102 | ;; |
a05c2c75 L |
1103 | ft32-*-*) |
1104 | noconfigdirs="$noconfigdirs target-rda gprof" | |
1105 | ;; | |
55f2d967 | 1106 | moxie-*-*) |
a05c2c75 | 1107 | noconfigdirs="$noconfigdirs" |
55f2d967 | 1108 | ;; |
ab50d72b | 1109 | h8300*-*-*) |
2909494b | 1110 | noconfigdirs="$noconfigdirs target-libgloss" |
ab50d72b | 1111 | ;; |
6599da04 | 1112 | h8500-*-*) |
0036370f | 1113 | noconfigdirs="$noconfigdirs target-libgloss" |
6599da04 | 1114 | ;; |
9d069a4f | 1115 | hppa1.1-*-osf* | hppa1.1-*-bsd* ) |
9d069a4f | 1116 | ;; |
a05c2c75 L |
1117 | hppa*64*-*-hpux*) |
1118 | noconfigdirs="$noconfigdirs gdb" | |
1119 | ;; | |
1120 | hppa*-*-hpux11*) | |
1121 | noconfigdirs="$noconfigdirs gdb ld" | |
1122 | ;; | |
4569f85e | 1123 | hppa*64*-*-linux*) |
cdbff0ab | 1124 | ;; |
56f8587a | 1125 | hppa*-*-linux*) |
3e732ba0 | 1126 | ;; |
6599da04 | 1127 | hppa*-*-*elf* | \ |
bae29210 | 1128 | hppa*-*-lites* | \ |
66350331 | 1129 | hppa*-*-openbsd* | \ |
bae29210 | 1130 | hppa*64*-*-*) |
6599da04 | 1131 | ;; |
c03353e2 | 1132 | hppa*-*-pro*) |
c03353e2 | 1133 | ;; |
6599da04 | 1134 | hppa*-*-*) |
2909494b | 1135 | noconfigdirs="$noconfigdirs ld" |
d207ebef | 1136 | ;; |
fb87ad5d | 1137 | i960-*-*) |
0036370f | 1138 | noconfigdirs="$noconfigdirs gdb" |
fb87ad5d | 1139 | ;; |
d207ebef JM |
1140 | ia64*-*-elf*) |
1141 | # No gdb support yet. | |
1bcce263 | 1142 | noconfigdirs="$noconfigdirs readline libgui itcl gdb" |
d207ebef | 1143 | ;; |
ab50d72b | 1144 | ia64*-**-hpux*) |
5a2931d1 | 1145 | # No ld support yet. |
a05c2c75 | 1146 | noconfigdirs="$noconfigdirs gdb libgui itcl ld" |
ab50d72b | 1147 | ;; |
52535a64 | 1148 | ia64*-*-*vms*) |
091fe9ca TG |
1149 | # No ld support yet. |
1150 | noconfigdirs="$noconfigdirs libgui itcl ld" | |
52535a64 | 1151 | ;; |
ef4c4300 | 1152 | i[[3456789]]86-w64-mingw*) |
ef4c4300 KT |
1153 | ;; |
1154 | i[[3456789]]86-*-mingw*) | |
b91f0a41 | 1155 | target_configdirs="$target_configdirs target-winsup" |
5d571eaa | 1156 | ;; |
d207ebef JM |
1157 | *-*-cygwin*) |
1158 | target_configdirs="$target_configdirs target-libtermcap target-winsup" | |
1bcce263 | 1159 | noconfigdirs="$noconfigdirs target-libgloss" |
801e2270 | 1160 | # always build newlib if winsup directory is present. |
b91f0a41 | 1161 | if test -d "$srcdir/winsup/cygwin"; then |
801e2270 | 1162 | skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` |
c8e6cd41 | 1163 | elif test -d "$srcdir/newlib"; then |
b91f0a41 | 1164 | echo "Warning: winsup/cygwin is missing so newlib can't be built." |
801e2270 | 1165 | fi |
5d571eaa | 1166 | ;; |
f2a0e225 | 1167 | i[[3456789]]86-*-pe) |
ebb9f8b0 | 1168 | noconfigdirs="$noconfigdirs target-libgloss" |
6599da04 | 1169 | ;; |
f2a0e225 | 1170 | i[[3456789]]86-*-sco3.2v5*) |
6599da04 JM |
1171 | # The linker does not yet know about weak symbols in COFF, |
1172 | # and is not configured to handle mixed ELF and COFF. | |
0036370f | 1173 | noconfigdirs="$noconfigdirs ld target-libgloss" |
6599da04 | 1174 | ;; |
f2a0e225 | 1175 | i[[3456789]]86-*-sco*) |
0036370f | 1176 | noconfigdirs="$noconfigdirs gprof target-libgloss" |
6599da04 | 1177 | ;; |
fbdd5d87 | 1178 | i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) |
7c01b2b5 | 1179 | noconfigdirs="$noconfigdirs target-libgloss" |
6599da04 | 1180 | ;; |
f2a0e225 | 1181 | i[[3456789]]86-*-sysv4*) |
0036370f | 1182 | noconfigdirs="$noconfigdirs target-libgloss" |
6599da04 | 1183 | ;; |
f2a0e225 | 1184 | i[[3456789]]86-*-beos*) |
6a789d5e | 1185 | noconfigdirs="$noconfigdirs gdb" |
3aa83176 | 1186 | ;; |
d1f8db0c | 1187 | i[[3456789]]86-*-rdos*) |
6a789d5e | 1188 | noconfigdirs="$noconfigdirs gdb" |
c03353e2 | 1189 | ;; |
d344dce9 | 1190 | mmix-*-*) |
2909494b | 1191 | noconfigdirs="$noconfigdirs gdb" |
d344dce9 | 1192 | ;; |
ab34901f | 1193 | mt-*-*) |
79dd769c AH |
1194 | noconfigdirs="$noconfigdirs sim" |
1195 | ;; | |
58b40a67 FT |
1196 | nfp-*-*) |
1197 | noconfigdirs="$noconfigdirs ld gas gdb gprof sim" | |
1198 | noconfigdirs="$noconfigdirs $target_libraries" | |
1199 | ;; | |
e6cbe965 SC |
1200 | pdp11-*-*) |
1201 | noconfigdirs="$noconfigdirs gdb gprof" | |
1202 | ;; | |
6599da04 JM |
1203 | powerpc-*-aix*) |
1204 | # copied from rs6000-*-* entry | |
6a789d5e | 1205 | noconfigdirs="$noconfigdirs gprof" |
6599da04 | 1206 | ;; |
4569f85e | 1207 | powerpc*-*-winnt* | powerpc*-*-pe*) |
6599da04 | 1208 | target_configdirs="$target_configdirs target-winsup" |
0036370f | 1209 | noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" |
6599da04 JM |
1210 | # always build newlib. |
1211 | skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` | |
1212 | ;; | |
1213 | # This is temporary until we can link against shared libraries | |
1214 | powerpcle-*-solaris*) | |
0036370f | 1215 | noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" |
6599da04 | 1216 | ;; |
0da3b5a7 | 1217 | powerpc-*-beos*) |
6a789d5e | 1218 | noconfigdirs="$noconfigdirs gdb" |
d207ebef | 1219 | ;; |
6599da04 | 1220 | rs6000-*-lynxos*) |
6a789d5e | 1221 | noconfigdirs="$noconfigdirs gprof" |
6599da04 JM |
1222 | ;; |
1223 | rs6000-*-aix*) | |
6a789d5e | 1224 | noconfigdirs="$noconfigdirs gprof" |
6599da04 JM |
1225 | ;; |
1226 | rs6000-*-*) | |
2909494b | 1227 | noconfigdirs="$noconfigdirs gprof" |
6599da04 JM |
1228 | ;; |
1229 | m68k-apollo-*) | |
0036370f | 1230 | noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" |
6599da04 | 1231 | ;; |
ca9fe997 | 1232 | microblaze*) |
2909494b | 1233 | noconfigdirs="$noconfigdirs gprof" |
ca9fe997 | 1234 | ;; |
74ae587e | 1235 | mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) |
d9dced13 RS |
1236 | if test x$with_newlib = xyes; then |
1237 | noconfigdirs="$noconfigdirs gprof" | |
1238 | fi | |
d9dced13 | 1239 | ;; |
6599da04 | 1240 | mips*-*-irix5*) |
0036370f | 1241 | noconfigdirs="$noconfigdirs gprof target-libgloss" |
6599da04 JM |
1242 | ;; |
1243 | mips*-*-irix6*) | |
2909494b | 1244 | noconfigdirs="$noconfigdirs gprof target-libgloss" |
6599da04 | 1245 | ;; |
6599da04 | 1246 | mips*-*-bsd*) |
bc98bcc4 | 1247 | noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" |
6599da04 | 1248 | ;; |
9bec4bf0 | 1249 | mips*-*-linux*) |
9bec4bf0 | 1250 | ;; |
bc98bcc4 JBG |
1251 | mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ |
1252 | | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) | |
1253 | noconfigdirs="$noconfigdirs ld gas gprof" | |
1254 | ;; | |
6599da04 | 1255 | mips*-*-*) |
2909494b | 1256 | noconfigdirs="$noconfigdirs gprof" |
6599da04 | 1257 | ;; |
738f2522 | 1258 | nvptx*-*-*) |
738f2522 BS |
1259 | noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" |
1260 | ;; | |
bc6d9014 | 1261 | sh-*-*) |
ea2002ba CB |
1262 | case "${target}" in |
1263 | sh*-*-elf) | |
2909494b | 1264 | ;; |
ea2002ba | 1265 | *) |
2909494b | 1266 | noconfigdirs="$noconfigdirs target-libgloss" ;; |
ea2002ba | 1267 | esac |
6599da04 JM |
1268 | ;; |
1269 | sparc-*-sunos4*) | |
6a789d5e | 1270 | if test x${is_cross_compiler} = xno ; then |
6599da04 JM |
1271 | use_gnu_ld=no |
1272 | fi | |
1273 | ;; | |
b42f0d7e | 1274 | tic6x-*-*) |
0d557ff8 | 1275 | noconfigdirs="$noconfigdirs sim" |
b42f0d7e | 1276 | ;; |
341c653c | 1277 | tilepro*-*-* | tilegx*-*-*) |
db1d217c WL |
1278 | noconfigdirs="$noconfigdirs sim" |
1279 | ;; | |
6599da04 | 1280 | v810-*-*) |
0036370f | 1281 | noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" |
6599da04 JM |
1282 | ;; |
1283 | vax-*-*) | |
2909494b | 1284 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" |
6599da04 | 1285 | ;; |
1fc1d82e MR |
1286 | wasm32-*-*) |
1287 | noconfigdirs="$noconfigdirs ld" | |
1288 | ;; | |
c6c0594e | 1289 | loongarch*-*-linux*) |
1290 | ;; | |
1291 | loongarch*-*-*) | |
1292 | noconfigdirs="$noconfigdirs gprof" | |
1293 | ;; | |
6599da04 JM |
1294 | esac |
1295 | ||
6599da04 JM |
1296 | # If we aren't building newlib, then don't build libgloss, since libgloss |
1297 | # depends upon some newlib header files. | |
1298 | case "${noconfigdirs}" in | |
1299 | *target-libgloss*) ;; | |
1300 | *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; | |
55380b08 | 1301 | esac |
6599da04 | 1302 | |
55380b08 | 1303 | # Work in distributions that contain no compiler tools, like Autoconf. |
671aa708 | 1304 | host_makefile_frag=/dev/null |
55380b08 NN |
1305 | if test -d ${srcdir}/config ; then |
1306 | case "${host}" in | |
f2a0e225 | 1307 | i[[3456789]]86-*-msdosdjgpp*) |
55380b08 NN |
1308 | host_makefile_frag="config/mh-djgpp" |
1309 | ;; | |
1310 | *-cygwin*) | |
2a79c47f | 1311 | ACX_CHECK_CYGWIN_CAT_WORKS |
55380b08 NN |
1312 | host_makefile_frag="config/mh-cygwin" |
1313 | ;; | |
c53a18d3 | 1314 | *-mingw*) |
1f5a6b84 | 1315 | host_makefile_frag="config/mh-mingw" |
738a52d3 | 1316 | ;; |
cabb9d59 | 1317 | alpha*-linux*) |
13be44ed UB |
1318 | host_makefile_frag="config/mh-alpha-linux" |
1319 | ;; | |
00afcaa0 | 1320 | hppa*-hp-hpux10*) |
00afcaa0 | 1321 | host_makefile_frag="config/mh-pa-hpux10" |
55380b08 | 1322 | ;; |
111eeb6e | 1323 | hppa*-hp-hpux*) |
00afcaa0 PB |
1324 | host_makefile_frag="config/mh-pa" |
1325 | ;; | |
1326 | hppa*-*) | |
1327 | host_makefile_frag="config/mh-pa" | |
1328 | ;; | |
54258e22 | 1329 | i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*) |
d8ed14ce | 1330 | host_makefile_frag="config/mh-darwin" |
be8fff81 | 1331 | ;; |
d19bca38 PB |
1332 | powerpc-*-aix*) |
1333 | host_makefile_frag="config/mh-ppc-aix" | |
1334 | ;; | |
1335 | rs6000-*-aix*) | |
1336 | host_makefile_frag="config/mh-ppc-aix" | |
1337 | ;; | |
55380b08 NN |
1338 | esac |
1339 | fi | |
1340 | ||
e4c9c075 | 1341 | if test "${build}" != "${host}" ; then |
0999159b PB |
1342 | AR_FOR_BUILD=${AR_FOR_BUILD-ar} |
1343 | AS_FOR_BUILD=${AS_FOR_BUILD-as} | |
e4c9c075 | 1344 | CC_FOR_BUILD=${CC_FOR_BUILD-gcc} |
c841dc0a | 1345 | CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}" |
0999159b | 1346 | CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} |
3b5e8ee4 | 1347 | DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil} |
0999159b | 1348 | GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} |
632e2a07 | 1349 | GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} |
b4c522fa | 1350 | GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc} |
0999159b PB |
1351 | DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} |
1352 | LD_FOR_BUILD=${LD_FOR_BUILD-ld} | |
1353 | NM_FOR_BUILD=${NM_FOR_BUILD-nm} | |
1354 | RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} | |
1355 | WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} | |
1356 | WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} | |
e4c9c075 | 1357 | else |
0999159b PB |
1358 | AR_FOR_BUILD="\$(AR)" |
1359 | AS_FOR_BUILD="\$(AS)" | |
e4c9c075 | 1360 | CC_FOR_BUILD="\$(CC)" |
0999159b | 1361 | CXX_FOR_BUILD="\$(CXX)" |
3b5e8ee4 | 1362 | DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)" |
0999159b | 1363 | GFORTRAN_FOR_BUILD="\$(GFORTRAN)" |
632e2a07 | 1364 | GOC_FOR_BUILD="\$(GOC)" |
b4c522fa | 1365 | GDC_FOR_BUILD="\$(GDC)" |
0999159b PB |
1366 | DLLTOOL_FOR_BUILD="\$(DLLTOOL)" |
1367 | LD_FOR_BUILD="\$(LD)" | |
1368 | NM_FOR_BUILD="\$(NM)" | |
1369 | RANLIB_FOR_BUILD="\$(RANLIB)" | |
1370 | WINDRES_FOR_BUILD="\$(WINDRES)" | |
1371 | WINDMC_FOR_BUILD="\$(WINDMC)" | |
c3a86da9 | 1372 | fi |
e4c9c075 | 1373 | |
91743432 | 1374 | AC_PROG_CC_C99 |
c3a86da9 DJ |
1375 | AC_PROG_CXX |
1376 | ||
1377 | # We must set the default linker to the linker used by gcc for the correct | |
1378 | # operation of libtool. If LD is not defined and we are using gcc, try to | |
1379 | # set the LD default to the ld used by gcc. | |
1380 | if test -z "$LD"; then | |
1381 | if test "$GCC" = yes; then | |
1382 | case $build in | |
1383 | *-*-mingw*) | |
1384 | gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; | |
1385 | *) | |
1386 | gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; | |
1387 | esac | |
1388 | case $gcc_prog_ld in | |
1389 | # Accept absolute paths. | |
1390 | [[\\/]* | [A-Za-z]:[\\/]*)] | |
1391 | LD="$gcc_prog_ld" ;; | |
1392 | esac | |
1393 | fi | |
e4c9c075 PB |
1394 | fi |
1395 | ||
0b21f5d3 EB |
1396 | # Check whether -static-libstdc++ -static-libgcc is supported. |
1397 | have_static_libs=no | |
1398 | if test "$GCC" = yes; then | |
1399 | saved_LDFLAGS="$LDFLAGS" | |
1400 | ||
1401 | LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" | |
1402 | AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) | |
1403 | AC_LANG_PUSH(C++) | |
22e05272 | 1404 | AC_LINK_IFELSE([AC_LANG_SOURCE([ |
0d6414b2 EB |
1405 | #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) |
1406 | #error -static-libstdc++ not implemented | |
1407 | #endif | |
22e05272 | 1408 | int main() {}])], |
0b21f5d3 EB |
1409 | [AC_MSG_RESULT([yes]); have_static_libs=yes], |
1410 | [AC_MSG_RESULT([no])]) | |
1411 | AC_LANG_POP(C++) | |
1412 | ||
1413 | LDFLAGS="$saved_LDFLAGS" | |
1414 | fi | |
1415 | ||
e4c9c075 | 1416 | ACX_PROG_GNAT |
5fee5ec3 | 1417 | ACX_PROG_GDC |
a76494aa | 1418 | ACX_PROG_CMP_IGNORE_INITIAL |
e4c9c075 | 1419 | |
ff3ac0f4 ILT |
1420 | AC_ARG_ENABLE([bootstrap], |
1421 | [AS_HELP_STRING([--enable-bootstrap], | |
1422 | [enable bootstrapping @<:@yes if native build@:>@])],, | |
1423 | enable_bootstrap=default) | |
1424 | ||
1425 | # Issue errors and warnings for invalid/strange bootstrap combinations. | |
bf03b9ff ILT |
1426 | if test -r $srcdir/gcc/configure; then |
1427 | have_compiler=yes | |
1428 | else | |
1429 | have_compiler=no | |
1430 | fi | |
ff3ac0f4 ILT |
1431 | |
1432 | case "$have_compiler:$host:$target:$enable_bootstrap" in | |
1433 | *:*:*:no) ;; | |
1434 | ||
1435 | # Default behavior. Enable bootstrap if we have a compiler | |
1436 | # and we are in a native configuration. | |
1437 | yes:$build:$build:default) | |
1438 | enable_bootstrap=yes ;; | |
1439 | ||
1440 | *:*:*:default) | |
1441 | enable_bootstrap=no ;; | |
1442 | ||
1443 | # We have a compiler and we are in a native configuration, bootstrap is ok | |
1444 | yes:$build:$build:yes) | |
1445 | ;; | |
1446 | ||
1447 | # Other configurations, but we have a compiler. Assume the user knows | |
1448 | # what he's doing. | |
1449 | yes:*:*:yes) | |
1450 | AC_MSG_WARN([trying to bootstrap a cross compiler]) | |
1451 | ;; | |
1452 | ||
1453 | # No compiler: if they passed --enable-bootstrap explicitly, fail | |
1454 | no:*:*:yes) | |
1455 | AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; | |
1456 | ||
1457 | # Fail if wrong command line | |
1458 | *) | |
1459 | AC_MSG_ERROR([invalid option for --enable-bootstrap]) | |
1460 | ;; | |
1461 | esac | |
1462 | ||
5329b59a | 1463 | # When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a |
ffac9597 JM |
1464 | # C++11 compiler can still start the bootstrap. Otherwise, if building GCC, |
1465 | # require C++11 (or higher). | |
46070488 | 1466 | if test "$enable_bootstrap:$GXX" = "yes:yes"; then |
5329b59a | 1467 | CXX="$CXX -std=c++11" |
ffac9597 JM |
1468 | elif test "$have_compiler" = yes; then |
1469 | AX_CXX_COMPILE_STDCXX(11) | |
7ffcf5d6 TB |
1470 | |
1471 | if test "${build}" != "${host}"; then | |
1472 | AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD]) | |
1473 | fi | |
46070488 JM |
1474 | fi |
1475 | ||
4a5e71f2 L |
1476 | AC_ARG_ENABLE([pgo-build], |
1477 | [AS_HELP_STRING([--enable-pgo-build[[=lto]]], | |
1478 | [enable the PGO build])], | |
1479 | [enable_pgo_build=$enableval], | |
1480 | [enable_pgo_build=no]) | |
1481 | ||
1482 | # Issue errors and warnings for invalid/strange PGO build combinations. | |
1483 | case "$have_compiler:$host:$target:$enable_pgo_build" in | |
1484 | *:*:*:no) ;; | |
1485 | ||
1486 | # Allow the PGO build only if we aren't building a compiler and | |
1487 | # we are in a native configuration. | |
1488 | no:$build:$build:yes | no:$build:$build:lto) ;; | |
1489 | ||
1490 | # Disallow the PGO bootstrap if we are building a compiler. | |
1491 | yes:*:*:yes | yes:*:*:lto) | |
1492 | AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;; | |
1493 | ||
1494 | *) | |
1495 | AC_MSG_ERROR([invalid option for --enable-pgo-build]) | |
1496 | ;; | |
1497 | esac | |
1498 | ||
1499 | if test "$enable_pgo_build" != "no"; then | |
1500 | AC_MSG_CHECKING([whether the compiler supports -fprofile-generate]) | |
1501 | old_CFLAGS="$CFLAGS" | |
1502 | PGO_BUILD_GEN_CFLAGS="-fprofile-generate" | |
1503 | CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS" | |
1504 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, | |
1505 | [PGO_BUILD_GEN_CFLAGS=]) | |
1506 | CFLAGS="$old_CFLAGS" | |
1507 | if test -n "$PGO_BUILD_GEN_CFLAGS"; then | |
1508 | AC_MSG_RESULT([yes]) | |
1509 | PGO_BUILD_USE_CFLAGS="-fprofile-use" | |
1510 | else | |
1511 | AC_MSG_RESULT([no]) | |
1512 | AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate]) | |
1513 | fi | |
1514 | ||
1515 | if test "$enable_pgo_build" = "lto"; then | |
1516 | AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects]) | |
1517 | old_CFLAGS="$CFLAGS" | |
1518 | PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects" | |
1519 | CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS" | |
1520 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, | |
1521 | [PGO_BUILD_LTO_CFLAGS=]) | |
1522 | CFLAGS="$old_CFLAGS" | |
1523 | if test -n "$PGO_BUILD_LTO_CFLAGS"; then | |
1524 | AC_MSG_RESULT([yes]) | |
1525 | else | |
1526 | AC_MSG_RESULT([no]) | |
1527 | AC_MSG_WARN([LTO is disabled for the PGO build]) | |
1528 | fi | |
1529 | fi | |
1530 | fi | |
1531 | AC_SUBST(PGO_BUILD_GEN_CFLAGS) | |
1532 | AC_SUBST(PGO_BUILD_USE_CFLAGS) | |
1533 | AC_SUBST(PGO_BUILD_LTO_CFLAGS) | |
1534 | ||
592c90ff KG |
1535 | # Used for setting $lt_cv_objdir |
1536 | _LT_CHECK_OBJDIR | |
1537 | ||
acd26225 | 1538 | # Check for GMP, MPFR and MPC |
3a5729ea | 1539 | gmplibs="-lmpc -lmpfr -lgmp" |
6de9cd9a | 1540 | gmpinc= |
e69bf64b | 1541 | have_gmp=no |
acd26225 KG |
1542 | |
1543 | # Specify a location for mpc | |
1544 | # check for this first so it ends up on the link line before mpfr. | |
33e39b66 AS |
1545 | AC_ARG_WITH(mpc, |
1546 | [AS_HELP_STRING([--with-mpc=PATH], | |
1547 | [specify prefix directory for installed MPC package. | |
1548 | Equivalent to --with-mpc-include=PATH/include | |
1549 | plus --with-mpc-lib=PATH/lib])]) | |
1550 | AC_ARG_WITH(mpc-include, | |
1551 | [AS_HELP_STRING([--with-mpc-include=PATH], | |
1552 | [specify directory for installed MPC include files])]) | |
1553 | AC_ARG_WITH(mpc-lib, | |
1554 | [AS_HELP_STRING([--with-mpc-lib=PATH], | |
1555 | [specify directory for the installed MPC library])]) | |
acd26225 KG |
1556 | |
1557 | if test "x$with_mpc" != x; then | |
3a5729ea KG |
1558 | gmplibs="-L$with_mpc/lib $gmplibs" |
1559 | gmpinc="-I$with_mpc/include $gmpinc" | |
acd26225 KG |
1560 | fi |
1561 | if test "x$with_mpc_include" != x; then | |
3a5729ea | 1562 | gmpinc="-I$with_mpc_include $gmpinc" |
acd26225 KG |
1563 | fi |
1564 | if test "x$with_mpc_lib" != x; then | |
3a5729ea | 1565 | gmplibs="-L$with_mpc_lib $gmplibs" |
acd26225 KG |
1566 | fi |
1567 | if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then | |
592c90ff | 1568 | gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" |
3a5729ea | 1569 | gmpinc='-I$$s/mpc/src '"$gmpinc" |
acd26225 KG |
1570 | # Do not test the mpc version. Assume that it is sufficient, since |
1571 | # it is in the source tree, and the library has not been built yet | |
1572 | # but it would be included on the link line in the version check below | |
1573 | # hence making the test fail. | |
3a5729ea | 1574 | have_gmp=yes |
acd26225 | 1575 | fi |
e69bf64b | 1576 | |
bebf829d PB |
1577 | # Specify a location for mpfr |
1578 | # check for this first so it ends up on the link line before gmp. | |
33e39b66 AS |
1579 | AC_ARG_WITH(mpfr, |
1580 | [AS_HELP_STRING([--with-mpfr=PATH], | |
1581 | [specify prefix directory for installed MPFR package. | |
1582 | Equivalent to --with-mpfr-include=PATH/include | |
1583 | plus --with-mpfr-lib=PATH/lib])]) | |
1584 | AC_ARG_WITH(mpfr-include, | |
1585 | [AS_HELP_STRING([--with-mpfr-include=PATH], | |
1586 | [specify directory for installed MPFR include files])]) | |
1587 | AC_ARG_WITH(mpfr-lib, | |
1588 | [AS_HELP_STRING([--with-mpfr-lib=PATH], | |
1589 | [specify directory for the installed MPFR library])]) | |
bebf829d PB |
1590 | |
1591 | if test "x$with_mpfr" != x; then | |
1592 | gmplibs="-L$with_mpfr/lib $gmplibs" | |
3a5729ea | 1593 | gmpinc="-I$with_mpfr/include $gmpinc" |
bebf829d | 1594 | fi |
8a877c9c | 1595 | if test "x$with_mpfr_include" != x; then |
3a5729ea | 1596 | gmpinc="-I$with_mpfr_include $gmpinc" |
8a877c9c KG |
1597 | fi |
1598 | if test "x$with_mpfr_lib" != x; then | |
1599 | gmplibs="-L$with_mpfr_lib $gmplibs" | |
1600 | fi | |
e69bf64b | 1601 | if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then |
8f3675f8 MR |
1602 | # MPFR v3.1.0 moved the sources into a src sub-directory. |
1603 | if ! test -d ${srcdir}/mpfr/src; then | |
1604 | AC_MSG_ERROR([dnl | |
1605 | Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) | |
1606 | fi | |
00f35794 BE |
1607 | gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" |
1608 | gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" | |
1609 | extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" | |
e69bf64b PB |
1610 | # Do not test the mpfr version. Assume that it is sufficient, since |
1611 | # it is in the source tree, and the library has not been built yet | |
1612 | # but it would be included on the link line in the version check below | |
1613 | # hence making the test fail. | |
1614 | have_gmp=yes | |
1615 | fi | |
bebf829d | 1616 | |
6de9cd9a | 1617 | # Specify a location for gmp |
33e39b66 AS |
1618 | AC_ARG_WITH(gmp, |
1619 | [AS_HELP_STRING([--with-gmp=PATH], | |
1620 | [specify prefix directory for the installed GMP package. | |
1621 | Equivalent to --with-gmp-include=PATH/include | |
1622 | plus --with-gmp-lib=PATH/lib])]) | |
1623 | AC_ARG_WITH(gmp-include, | |
1624 | [AS_HELP_STRING([--with-gmp-include=PATH], | |
1625 | [specify directory for installed GMP include files])]) | |
1626 | AC_ARG_WITH(gmp-lib, | |
1627 | [AS_HELP_STRING([--with-gmp-lib=PATH], | |
1628 | [specify directory for the installed GMP library])]) | |
6de9cd9a | 1629 | |
6de9cd9a | 1630 | |
bebf829d PB |
1631 | if test "x$with_gmp" != x; then |
1632 | gmplibs="-L$with_gmp/lib $gmplibs" | |
1633 | gmpinc="-I$with_gmp/include $gmpinc" | |
6de9cd9a | 1634 | fi |
8a877c9c KG |
1635 | if test "x$with_gmp_include" != x; then |
1636 | gmpinc="-I$with_gmp_include $gmpinc" | |
1637 | fi | |
1638 | if test "x$with_gmp_lib" != x; then | |
1639 | gmplibs="-L$with_gmp_lib $gmplibs" | |
1640 | fi | |
e69bf64b | 1641 | if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then |
592c90ff | 1642 | gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" |
e69bf64b | 1643 | gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" |
9183bdcf | 1644 | extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" |
592c90ff | 1645 | extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" |
0ff2d841 | 1646 | extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' |
e69bf64b PB |
1647 | # Do not test the gmp version. Assume that it is sufficient, since |
1648 | # it is in the source tree, and the library has not been built yet | |
1649 | # but it would be included on the link line in the version check below | |
1650 | # hence making the test fail. | |
1651 | have_gmp=yes | |
1652 | fi | |
6de9cd9a | 1653 | |
d943d7c4 | 1654 | if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then |
e69bf64b PB |
1655 | have_gmp=yes |
1656 | saved_CFLAGS="$CFLAGS" | |
1657 | CFLAGS="$CFLAGS $gmpinc" | |
362c6d2f KG |
1658 | # Check for the recommended and required versions of GMP. |
1659 | AC_MSG_CHECKING([for the correct version of gmp.h]) | |
e69bf64b | 1660 | AC_TRY_COMPILE([#include "gmp.h"],[ |
362c6d2f KG |
1661 | #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) |
1662 | #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) | |
385c0681 | 1663 | #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) |
e48d66a9 | 1664 | choke me |
e69bf64b | 1665 | #endif |
e8fd69bb | 1666 | ], [AC_TRY_COMPILE([#include <gmp.h>],[ |
362c6d2f KG |
1667 | #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) |
1668 | #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) | |
1669 | #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) | |
1670 | choke me | |
1671 | #endif | |
e8fd69bb | 1672 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
362c6d2f | 1673 | [AC_MSG_RESULT([no]); have_gmp=no]) |
e69bf64b | 1674 | |
acd26225 | 1675 | # If we have GMP, check the MPFR version. |
e69bf64b | 1676 | if test x"$have_gmp" = xyes; then |
362c6d2f KG |
1677 | # Check for the recommended and required versions of MPFR. |
1678 | AC_MSG_CHECKING([for the correct version of mpfr.h]) | |
acd26225 | 1679 | AC_TRY_COMPILE([#include <gmp.h> |
e69bf64b | 1680 | #include <mpfr.h>],[ |
8be34204 | 1681 | #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0) |
e69bf64b PB |
1682 | choke me |
1683 | #endif | |
e8fd69bb | 1684 | ], [AC_TRY_COMPILE([#include <gmp.h> |
acd26225 | 1685 | #include <mpfr.h>],[ |
8be34204 | 1686 | #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6) |
acd26225 KG |
1687 | choke me |
1688 | #endif | |
e8fd69bb | 1689 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
acd26225 KG |
1690 | [AC_MSG_RESULT([no]); have_gmp=no]) |
1691 | fi | |
1692 | ||
1693 | # Check for the MPC header version. | |
3a5729ea | 1694 | if test x"$have_gmp" = xyes ; then |
362c6d2f | 1695 | # Check for the recommended and required versions of MPC. |
acd26225 KG |
1696 | AC_MSG_CHECKING([for the correct version of mpc.h]) |
1697 | AC_TRY_COMPILE([#include <mpc.h>],[ | |
362c6d2f | 1698 | #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) |
acd26225 KG |
1699 | choke me |
1700 | #endif | |
e8fd69bb | 1701 | ], [AC_TRY_COMPILE([#include <mpc.h>],[ |
362c6d2f KG |
1702 | #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) |
1703 | choke me | |
1704 | #endif | |
e8fd69bb | 1705 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
362c6d2f | 1706 | [AC_MSG_RESULT([no]); have_gmp=no]) |
acd26225 KG |
1707 | fi |
1708 | ||
1709 | # Now check the MPFR library. | |
1710 | if test x"$have_gmp" = xyes; then | |
1711 | saved_LIBS="$LIBS" | |
1712 | LIBS="$LIBS $gmplibs" | |
3a5729ea KG |
1713 | AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) |
1714 | AC_TRY_LINK([#include <mpc.h>],[ | |
54e433bc MK |
1715 | mpfr_t n; |
1716 | mpfr_t x; | |
3a5729ea | 1717 | mpc_t c; |
e69bf64b | 1718 | int t; |
54e433bc MK |
1719 | mpfr_init (n); |
1720 | mpfr_init (x); | |
90ca6847 TB |
1721 | mpfr_atan2 (n, n, x, MPFR_RNDN); |
1722 | mpfr_erfc (n, x, MPFR_RNDN); | |
1723 | mpfr_subnormalize (x, t, MPFR_RNDN); | |
3a5729ea KG |
1724 | mpfr_clear(n); |
1725 | mpfr_clear(x); | |
1726 | mpc_init2 (c, 53); | |
1727 | mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); | |
1728 | mpc_cosh (c, c, MPC_RNDNN); | |
1729 | mpc_pow (c, c, c, MPC_RNDNN); | |
1730 | mpc_acosh (c, c, MPC_RNDNN); | |
1731 | mpc_clear (c); | |
acd26225 KG |
1732 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) |
1733 | LIBS="$saved_LIBS" | |
e69bf64b | 1734 | fi |
acd26225 | 1735 | |
e69bf64b | 1736 | CFLAGS="$saved_CFLAGS" |
6de9cd9a | 1737 | |
362c6d2f KG |
1738 | # The library versions listed in the error message below should match |
1739 | # the HARD-minimums enforced above. | |
e69bf64b | 1740 | if test x$have_gmp != xyes; then |
8be34204 | 1741 | AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+. |
3a5729ea KG |
1742 | Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify |
1743 | their locations. Source code for these libraries can be found at | |
1744 | their respective hosting sites as well as at | |
aeebd94c | 1745 | https://gcc.gnu.org/pub/gcc/infrastructure/. See also |
3a5729ea KG |
1746 | http://gcc.gnu.org/install/prerequisites.html for additional info. If |
1747 | you obtained GMP, MPFR and/or MPC from a vendor distribution package, | |
1748 | make sure that you have installed both the libraries and the header | |
1749 | files. They may be located in separate packages.]) | |
e69bf64b | 1750 | fi |
70ec446f KG |
1751 | fi |
1752 | ||
acd26225 | 1753 | # Flags needed for both GMP, MPFR and/or MPC. |
6de9cd9a DN |
1754 | AC_SUBST(gmplibs) |
1755 | AC_SUBST(gmpinc) | |
9e3eba15 | 1756 | AC_SUBST(extra_mpfr_configure_flags) |
acd26225 KG |
1757 | AC_SUBST(extra_mpc_gmp_configure_flags) |
1758 | AC_SUBST(extra_mpc_mpfr_configure_flags) | |
0ff2d841 | 1759 | AC_SUBST(extra_isl_gmp_configure_flags) |
6de9cd9a | 1760 | |
00020c16 ILT |
1761 | # Libraries to use for stage1 or when not bootstrapping. |
1762 | AC_ARG_WITH(stage1-libs, | |
33e39b66 | 1763 | [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], |
00020c16 ILT |
1764 | [if test "$withval" = "no" -o "$withval" = "yes"; then |
1765 | stage1_libs= | |
1766 | else | |
1767 | stage1_libs=$withval | |
1768 | fi], | |
5dc85f7e | 1769 | [stage1_libs=]) |
00020c16 ILT |
1770 | AC_SUBST(stage1_libs) |
1771 | ||
aac9103b TT |
1772 | # Whether or not to use -static-libstdc++ and -static-libgcc. The |
1773 | # default is yes if gcc is being built; no otherwise. The reason for | |
1774 | # this default is that gdb is sometimes linked against GNU Source | |
1775 | # Highlight, which is a shared library that uses C++ exceptions. In | |
1776 | # this case, -static-libstdc++ will cause crashes. | |
1777 | AC_ARG_WITH(static-standard-libraries, | |
1778 | [AS_HELP_STRING([--with-static-standard-libraries], | |
1779 | [use -static-libstdc++ and -static-libgcc (default=auto)])], | |
1780 | [], [with_static_standard_libraries=auto]) | |
1781 | if test "$with_static_standard_libraries" = auto; then | |
1782 | with_static_standard_libraries=$have_compiler | |
1783 | fi | |
1784 | ||
0b21f5d3 EB |
1785 | # Linker flags to use for stage1 or when not bootstrapping. |
1786 | AC_ARG_WITH(stage1-ldflags, | |
1787 | [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], | |
1788 | [if test "$withval" = "no" -o "$withval" = "yes"; then | |
1789 | stage1_ldflags= | |
1790 | else | |
1791 | stage1_ldflags=$withval | |
1792 | fi], | |
1793 | [stage1_ldflags= | |
1794 | # In stage 1, default to linking libstdc++ and libgcc statically with GCC | |
1795 | # if supported. But if the user explicitly specified the libraries to use, | |
1796 | # trust that they are doing what they want. | |
aac9103b TT |
1797 | if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ |
1798 | -a "$have_static_libs" = yes; then | |
0b21f5d3 EB |
1799 | stage1_ldflags="-static-libstdc++ -static-libgcc" |
1800 | fi]) | |
1801 | AC_SUBST(stage1_ldflags) | |
1802 | ||
5dc85f7e | 1803 | # Libraries to use for stage2 and later builds. |
00020c16 | 1804 | AC_ARG_WITH(boot-libs, |
33e39b66 | 1805 | [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], |
00020c16 ILT |
1806 | [if test "$withval" = "no" -o "$withval" = "yes"; then |
1807 | poststage1_libs= | |
1808 | else | |
e90e6bd7 | 1809 | poststage1_libs=$withval |
00020c16 | 1810 | fi], |
5dc85f7e | 1811 | [poststage1_libs=]) |
00020c16 ILT |
1812 | AC_SUBST(poststage1_libs) |
1813 | ||
ed2eaa9f ILT |
1814 | # Linker flags to use for stage2 and later builds. |
1815 | AC_ARG_WITH(boot-ldflags, | |
33e39b66 AS |
1816 | [AS_HELP_STRING([--with-boot-ldflags=FLAGS], |
1817 | [linker flags for stage2 and later])], | |
ed2eaa9f ILT |
1818 | [if test "$withval" = "no" -o "$withval" = "yes"; then |
1819 | poststage1_ldflags= | |
1820 | else | |
1821 | poststage1_ldflags=$withval | |
1822 | fi], | |
1823 | [poststage1_ldflags= | |
bec93d73 ILT |
1824 | # In stages 2 and 3, default to linking libstdc++ and libgcc |
1825 | # statically. But if the user explicitly specified the libraries to | |
1826 | # use, trust that they are doing what they want. | |
1827 | if test "$poststage1_libs" = ""; then | |
ed2eaa9f ILT |
1828 | poststage1_ldflags="-static-libstdc++ -static-libgcc" |
1829 | fi]) | |
1830 | AC_SUBST(poststage1_ldflags) | |
1831 | ||
e357a5e0 | 1832 | # GCC GRAPHITE dependency isl. |
4a9bb2aa | 1833 | # Basic setup is inlined here, actual checks are in config/isl.m4 |
625afa23 | 1834 | |
625afa23 RG |
1835 | AC_ARG_WITH(isl, |
1836 | [AS_HELP_STRING( | |
1837 | [--with-isl=PATH], | |
e357a5e0 | 1838 | [Specify prefix directory for the installed isl package. |
625afa23 RG |
1839 | Equivalent to --with-isl-include=PATH/include |
1840 | plus --with-isl-lib=PATH/lib])]) | |
1841 | ||
eae1a5d4 | 1842 | # Treat --without-isl as a request to disable |
625afa23 | 1843 | # GRAPHITE support and skip all following checks. |
eae1a5d4 | 1844 | if test "x$with_isl" != "xno"; then |
e357a5e0 | 1845 | # Check for isl |
625afa23 RG |
1846 | dnl Provide configure switches and initialize islinc & isllibs |
1847 | dnl with user input. | |
1848 | ISL_INIT_FLAGS | |
e357a5e0 | 1849 | dnl The versions of isl that work for Graphite |
e0c0c325 | 1850 | ISL_CHECK_VERSION() |
e357a5e0 | 1851 | dnl Only execute fail-action, if isl has been requested. |
33ad93b9 | 1852 | ISL_IF_FAILED([ |
e357a5e0 | 1853 | AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) |
f8bf9252 | 1854 | fi |
f8bf9252 | 1855 | |
e357a5e0 | 1856 | # If the isl check failed, disable builds of in-tree variant of isl |
625afa23 | 1857 | if test "x$with_isl" = xno || |
625afa23 | 1858 | test "x$gcc_cv_isl" = xno; then |
4a9bb2aa | 1859 | noconfigdirs="$noconfigdirs isl" |
625afa23 | 1860 | islinc= |
eae1a5d4 RG |
1861 | fi |
1862 | ||
1863 | AC_SUBST(isllibs) | |
625afa23 | 1864 | AC_SUBST(islinc) |
625afa23 | 1865 | |
d7f09764 DN |
1866 | # Check for LTO support. |
1867 | AC_ARG_ENABLE(lto, | |
33e39b66 | 1868 | [AS_HELP_STRING([--enable-lto], [enable link time optimization support])], |
d7f09764 DN |
1869 | enable_lto=$enableval, |
1870 | enable_lto=yes; default_enable_lto=yes) | |
1871 | ||
48215350 DK |
1872 | ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. |
1873 | build_lto_plugin=yes | |
1874 | ],[if test x"$default_enable_lto" = x"yes" ; then | |
bb79486c | 1875 | case $target in |
deeba76a | 1876 | *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; |
48215350 | 1877 | # On other non-ELF platforms, LTO has yet to be validated. |
bb79486c JH |
1878 | *) enable_lto=no ;; |
1879 | esac | |
3bec79c5 | 1880 | else |
db50fe7d IS |
1881 | # Apart from ELF platforms, only Windows and Darwin support LTO so far. |
1882 | # It would also be nice to check the binutils support, but we don't | |
3bec79c5 DK |
1883 | # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just |
1884 | # warn during gcc/ subconfigure; unless you're bootstrapping with | |
1885 | # -flto it won't be needed until after installation anyway. | |
1886 | case $target in | |
9e530bcd | 1887 | *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; |
3bec79c5 DK |
1888 | *) if test x"$enable_lto" = x"yes"; then |
1889 | AC_MSG_ERROR([LTO support is not enabled for this target.]) | |
1890 | fi | |
1891 | ;; | |
1892 | esac | |
1893 | fi | |
1cd0b716 | 1894 | # Among non-ELF, only Windows platforms support the lto-plugin so far. |
48215350 | 1895 | # Build it unless LTO was explicitly disabled. |
1cd0b716 | 1896 | case $target in |
48215350 | 1897 | *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; |
1cd0b716 DK |
1898 | *) ;; |
1899 | esac | |
48215350 | 1900 | ]) |
d7f09764 | 1901 | |
45b3824d TS |
1902 | AC_ARG_ENABLE(linker-plugin-configure-flags, |
1903 | [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], | |
1904 | [additional flags for configuring linker plugins @<:@none@:>@])], | |
1905 | extra_linker_plugin_configure_flags=$enableval, | |
1906 | extra_linker_plugin_configure_flags=) | |
1907 | AC_SUBST(extra_linker_plugin_configure_flags) | |
1908 | AC_ARG_ENABLE(linker-plugin-flags, | |
1909 | [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], | |
1910 | [additional flags for configuring and building linker plugins @<:@none@:>@])], | |
1911 | extra_linker_plugin_flags=$enableval, | |
1912 | extra_linker_plugin_flags=) | |
1913 | AC_SUBST(extra_linker_plugin_flags) | |
1914 | ||
cdfee50a NS |
1915 | # Enable --enable-host-shared. |
1916 | # Checked early to determine whether jit is an 'all' language | |
1917 | AC_ARG_ENABLE(host-shared, | |
1918 | [AS_HELP_STRING([--enable-host-shared], | |
1919 | [build host code as shared libraries])], | |
a1d2b162 IS |
1920 | [host_shared=$enableval |
1921 | case $target in | |
1922 | x86_64-*-darwin* | aarch64-*-darwin*) | |
1923 | if test x$host_shared != xyes ; then | |
1924 | # PIC is the default, and actually cannot be switched off. | |
1925 | echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2 | |
1926 | host_shared=yes | |
1927 | fi ;; | |
1928 | *) ;; | |
1929 | esac], | |
1930 | [case $target in | |
1931 | x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;; | |
1932 | *) host_shared=no ;; | |
1933 | esac]) | |
cdfee50a | 1934 | AC_SUBST(host_shared) |
f8bf9252 | 1935 | |
0823efed | 1936 | # By default, C and C++ are the only stage 1 languages. |
e1888513 | 1937 | stage1_languages=,c, |
2805b53a | 1938 | |
00020c16 | 1939 | # Target libraries that we bootstrap. |
ad1e5170 | 1940 | bootstrap_target_libs=,target-libgcc, |
00020c16 | 1941 | |
e4c9c075 PB |
1942 | # Figure out what language subdirectories are present. |
1943 | # Look if the user specified --enable-languages="..."; if not, use | |
1944 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1945 | # go away some day. | |
1946 | # NB: embedded tabs in this IF block -- do not untabify | |
1947 | if test -d ${srcdir}/gcc; then | |
1948 | if test x"${enable_languages+set}" != xset; then | |
1949 | if test x"${LANGUAGES+set}" = xset; then | |
1950 | enable_languages="${LANGUAGES}" | |
6b1786aa | 1951 | echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 |
e4c9c075 | 1952 | else |
cdfee50a | 1953 | enable_languages=default |
e4c9c075 PB |
1954 | fi |
1955 | else | |
1956 | if test x"${enable_languages}" = x || | |
1957 | test x"${enable_languages}" = xyes; | |
1958 | then | |
6b1786aa | 1959 | echo configure.ac: --enable-languages needs at least one language argument 1>&2 |
e4c9c075 PB |
1960 | exit 1 |
1961 | fi | |
1962 | fi | |
1963 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` | |
1964 | ||
7f26dfa3 FXC |
1965 | # 'f95' is the old name for the 'fortran' language. We issue a warning |
1966 | # and make the substitution. | |
1967 | case ,${enable_languages}, in | |
1968 | *,f95,*) | |
6b1786aa | 1969 | echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 |
7f26dfa3 FXC |
1970 | enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` |
1971 | ;; | |
1972 | esac | |
1973 | ||
0823efed DN |
1974 | # If bootstrapping, C++ must be enabled. |
1975 | case ",$enable_languages,:$enable_bootstrap" in | |
1976 | *,c++,*:*) ;; | |
1977 | *:yes) | |
ff3ac0f4 ILT |
1978 | if test -f ${srcdir}/gcc/cp/config-lang.in; then |
1979 | enable_languages="${enable_languages},c++" | |
1980 | else | |
0823efed | 1981 | AC_MSG_ERROR([bootstrapping requires c++ sources]) |
ff3ac0f4 ILT |
1982 | fi |
1983 | ;; | |
1984 | esac | |
1985 | ||
e4c9c075 PB |
1986 | # First scan to see if an enabled language requires some other language. |
1987 | # We assume that a given config-lang.in will list all the language | |
1988 | # front ends it requires, even if some are required indirectly. | |
1989 | for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do | |
1990 | case ${lang_frag} in | |
1991 | ..) ;; | |
1992 | # The odd quoting in the next line works around | |
1993 | # an apparent bug in bash 1.12 on linux. | |
1994 | ${srcdir}/gcc/[[*]]/config-lang.in) ;; | |
1995 | *) | |
69ecd18f ILT |
1996 | # From the config-lang.in, get $language, $lang_requires, and |
1997 | # $lang_requires_boot_languages. | |
e4c9c075 PB |
1998 | language= |
1999 | lang_requires= | |
69ecd18f | 2000 | lang_requires_boot_languages= |
d4360477 NS |
2001 | # set srcdir during sourcing lang_frag to the gcc dir. |
2002 | # Sadly overriding srcdir on the . line doesn't work in plain sh as it | |
2003 | # polutes this shell | |
2004 | saved_srcdir=${srcdir} | |
2005 | srcdir=${srcdir}/gcc . ${lang_frag} | |
2006 | srcdir=${saved_srcdir} | |
69ecd18f | 2007 | for other in ${lang_requires} ${lang_requires_boot_languages}; do |
e4c9c075 PB |
2008 | case ,${enable_languages}, in |
2009 | *,$other,*) ;; | |
cdfee50a | 2010 | *,default,*) ;; |
e4c9c075 PB |
2011 | *,all,*) ;; |
2012 | *,$language,*) | |
2013 | echo " \`$other' language required by \`$language'; enabling" 1>&2 | |
2014 | enable_languages="${enable_languages},${other}" | |
2015 | ;; | |
2016 | esac | |
2017 | done | |
69ecd18f ILT |
2018 | for other in ${lang_requires_boot_languages} ; do |
2019 | if test "$other" != "c"; then | |
2020 | case ,${enable_stage1_languages}, in | |
2021 | *,$other,*) ;; | |
cdfee50a | 2022 | *,default,*) ;; |
69ecd18f ILT |
2023 | *,all,*) ;; |
2024 | *) | |
2025 | case ,${enable_languages}, in | |
2026 | *,$language,*) | |
2027 | echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 | |
2028 | enable_stage1_languages="$enable_stage1_languages,${other}" | |
2029 | ;; | |
2030 | esac | |
2031 | ;; | |
2032 | esac | |
2033 | fi | |
2034 | done | |
e4c9c075 PB |
2035 | ;; |
2036 | esac | |
2037 | done | |
2038 | ||
e1888513 | 2039 | new_enable_languages=,c, |
d7f09764 DN |
2040 | |
2041 | # If LTO is enabled, add the LTO front end. | |
d7f09764 | 2042 | if test "$enable_lto" = "yes" ; then |
e4c5bd48 RW |
2043 | case ,${enable_languages}, in |
2044 | *,lto,*) ;; | |
2045 | *) enable_languages="${enable_languages},lto" ;; | |
2046 | esac | |
1cd0b716 | 2047 | if test "${build_lto_plugin}" = "yes" ; then |
d7f09764 | 2048 | configdirs="$configdirs lto-plugin" |
d7f09764 DN |
2049 | fi |
2050 | fi | |
d7f09764 | 2051 | |
426c1eb0 TS |
2052 | # If we're building an offloading compiler, add the LTO front end. |
2053 | if test x"$enable_as_accelerator_for" != x ; then | |
2054 | case ,${enable_languages}, in | |
2055 | *,lto,*) ;; | |
2056 | *) enable_languages="${enable_languages},lto" ;; | |
2057 | esac | |
2058 | fi | |
2059 | ||
cdfee50a | 2060 | missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` |
e1888513 | 2061 | potential_languages=,c, |
e4c9c075 | 2062 | |
4da3b0f8 ILT |
2063 | enabled_target_libs= |
2064 | disabled_target_libs= | |
2065 | ||
e4c9c075 PB |
2066 | for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do |
2067 | case ${lang_frag} in | |
2068 | ..) ;; | |
2069 | # The odd quoting in the next line works around | |
2070 | # an apparent bug in bash 1.12 on linux. | |
2071 | ${srcdir}/gcc/[[*]]/config-lang.in) ;; | |
2072 | *) | |
2073 | # From the config-lang.in, get $language, $target_libs, | |
2805b53a | 2074 | # $lang_dirs, $boot_language, and $build_by_default |
e4c9c075 PB |
2075 | language= |
2076 | target_libs= | |
2077 | lang_dirs= | |
1546bb64 | 2078 | subdir_requires= |
e1888513 PB |
2079 | boot_language=no |
2080 | build_by_default=yes | |
d4360477 NS |
2081 | # set srcdir during sourcing. See above about save & restore |
2082 | saved_srcdir=${srcdir} | |
2083 | srcdir=${srcdir}/gcc . ${lang_frag} | |
2084 | srcdir=${saved_srcdir} | |
e1888513 PB |
2085 | if test x${language} = x; then |
2086 | echo "${lang_frag} doesn't set \$language." 1>&2 | |
2087 | exit 1 | |
2088 | fi | |
2089 | ||
78767fd9 | 2090 | if test "$language" = "c++"; then |
0823efed | 2091 | boot_language=yes |
00020c16 ILT |
2092 | fi |
2093 | ||
178f875a | 2094 | add_this_lang=no |
cdfee50a NS |
2095 | # C is always enabled, so no need to add it again |
2096 | if test "$language" != "c"; then | |
2097 | case ,${enable_languages}, in | |
2098 | *,${language},*) | |
2099 | # Language was explicitly selected; include it | |
d4a10d0a | 2100 | add_this_lang=yes |
cdfee50a NS |
2101 | ;; |
2102 | *,all,*) | |
2103 | # All languages are enabled | |
2104 | add_this_lang=all | |
2105 | ;; | |
2106 | *,default,*) | |
2107 | # 'default' was selected, select it if it is a default language | |
178f875a | 2108 | add_this_lang=${build_by_default} |
cdfee50a NS |
2109 | ;; |
2110 | esac | |
2111 | fi | |
6de9cd9a | 2112 | |
1546bb64 | 2113 | # Disable languages that need other directories if these aren't available. |
95695ad3 | 2114 | for i in $subdir_requires; do |
b6348cb3 | 2115 | test -f "$srcdir/gcc/$i/config-lang.in" && continue |
cdfee50a NS |
2116 | case ${add_this_lang} in |
2117 | yes) | |
1546bb64 PB |
2118 | # Specifically requested language; tell them. |
2119 | AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) | |
2120 | ;; | |
cdfee50a NS |
2121 | all) |
2122 | AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) | |
2123 | add_this_lang=unsupported | |
2124 | ;; | |
1546bb64 PB |
2125 | *) |
2126 | # Silently disable. | |
e1888513 | 2127 | add_this_lang=unsupported |
1546bb64 PB |
2128 | ;; |
2129 | esac | |
2130 | done | |
2131 | ||
e1888513 | 2132 | # Disable Ada if no preexisting GNAT is available. |
cdfee50a NS |
2133 | case ${add_this_lang}:${language}:${have_gnat} in |
2134 | yes:ada:no) | |
e1888513 PB |
2135 | # Specifically requested language; tell them. |
2136 | AC_MSG_ERROR([GNAT is required to build $language]) | |
2137 | ;; | |
cdfee50a NS |
2138 | all:ada:no) |
2139 | AC_MSG_WARN([GNAT is required to build $language]) | |
2140 | add_this_lang=unsupported | |
2141 | ;; | |
e1888513 PB |
2142 | *:ada:no) |
2143 | # Silently disable. | |
2144 | add_this_lang=unsupported | |
2145 | ;; | |
2146 | esac | |
2147 | ||
5fee5ec3 IB |
2148 | # Disable D if no preexisting GDC is available. |
2149 | case ${add_this_lang}:${language}:${have_gdc} in | |
2150 | yes:d:no) | |
2151 | # Specifically requested language; tell them. | |
2152 | AC_MSG_ERROR([GDC is required to build $language]) | |
2153 | ;; | |
2154 | all:d:no) | |
2155 | AC_MSG_WARN([GDC is required to build $language]) | |
2156 | add_this_lang=unsupported | |
2157 | ;; | |
2158 | *:d:no) | |
2159 | # Silently disable. | |
2160 | add_this_lang=unsupported | |
2161 | ;; | |
2162 | esac | |
2163 | ||
cdfee50a | 2164 | # Disable jit if -enable-host-shared not specified |
c83027f3 NB |
2165 | # but not if building for Mingw. All code in Windows |
2166 | # is position independent code (PIC). | |
2167 | case $target in | |
2168 | *mingw*) ;; | |
2169 | *) | |
2170 | case ${add_this_lang}:${language}:${host_shared} in | |
2171 | yes:jit:no) | |
2172 | # PR jit/64780: explicitly specify --enable-host-shared | |
cdfee50a NS |
2173 | AC_MSG_ERROR([ |
2174 | Enabling language "jit" requires --enable-host-shared. | |
2175 | ||
2176 | --enable-host-shared typically slows the rest of the compiler down by | |
2177 | a few %, so you must explicitly enable it. | |
2178 | ||
2179 | If you want to build both the jit and the regular compiler, it is often | |
2180 | best to do this via two separate configure/builds, in separate | |
2181 | directories, to avoid imposing the performance cost of | |
2182 | --enable-host-shared on the regular compiler.]) | |
c83027f3 NB |
2183 | ;; |
2184 | all:jit:no) | |
2185 | AC_MSG_WARN([--enable-host-shared required to build $language]) | |
2186 | add_this_lang=unsupported | |
2187 | ;; | |
2188 | *:jit:no) | |
2189 | # Silently disable. | |
2190 | add_this_lang=unsupported | |
2191 | ;; | |
2192 | esac | |
2193 | ;; | |
2194 | esac | |
cdfee50a NS |
2195 | |
2196 | # Disable a language that is unsupported by the target. | |
2197 | case "${add_this_lang}: $unsupported_languages " in | |
2198 | no:*) ;; | |
2199 | unsupported:*) ;; | |
2200 | *:*" $language "*) | |
2201 | AC_MSG_WARN([${language} not supported for this target]) | |
e1888513 | 2202 | add_this_lang=unsupported |
4fab7234 HPN |
2203 | ;; |
2204 | esac | |
2205 | ||
6de9cd9a | 2206 | case $add_this_lang in |
e1888513 | 2207 | unsupported) |
e4c9c075 | 2208 | # Remove language-dependent dirs. |
4da3b0f8 ILT |
2209 | disabled_target_libs="$disabled_target_libs $target_libs" |
2210 | noconfigdirs="$noconfigdirs $lang_dirs" | |
2805b53a | 2211 | ;; |
e1888513 PB |
2212 | no) |
2213 | # Remove language-dependent dirs; still show language as supported. | |
4da3b0f8 ILT |
2214 | disabled_target_libs="$disabled_target_libs $target_libs" |
2215 | noconfigdirs="$noconfigdirs $lang_dirs" | |
e1888513 PB |
2216 | potential_languages="${potential_languages}${language}," |
2217 | ;; | |
cdfee50a | 2218 | all|yes) |
e1888513 PB |
2219 | new_enable_languages="${new_enable_languages}${language}," |
2220 | potential_languages="${potential_languages}${language}," | |
2805b53a | 2221 | missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` |
4da3b0f8 | 2222 | enabled_target_libs="$enabled_target_libs $target_libs" |
ab9dcd0c RW |
2223 | case "${boot_language}:,$enable_stage1_languages," in |
2224 | yes:* | *:*,$language,* | *:*,yes, | *:*,all,) | |
340de83f | 2225 | # Add to (comma-separated) list of stage 1 languages. |
ab9dcd0c RW |
2226 | case ",$stage1_languages," in |
2227 | *,$language,* | ,yes, | ,all,) ;; | |
2228 | *) stage1_languages="${stage1_languages}${language}," ;; | |
2229 | esac | |
00020c16 | 2230 | # We need to bootstrap any supporting libraries. |
5fee5ec3 | 2231 | bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"` |
2805b53a NN |
2232 | ;; |
2233 | esac | |
2234 | ;; | |
e4c9c075 PB |
2235 | esac |
2236 | ;; | |
2237 | esac | |
2238 | done | |
2239 | ||
4da3b0f8 ILT |
2240 | # Add target libraries which are only needed for disabled languages |
2241 | # to noconfigdirs. | |
2242 | if test -n "$disabled_target_libs"; then | |
2243 | for dir in $disabled_target_libs; do | |
2244 | case " $enabled_target_libs " in | |
2245 | *" ${dir} "*) ;; | |
2246 | *) noconfigdirs="$noconfigdirs $dir" ;; | |
2247 | esac | |
2248 | done | |
2249 | fi | |
2250 | ||
e1888513 | 2251 | AC_ARG_ENABLE(stage1-languages, |
33e39b66 AS |
2252 | [AS_HELP_STRING([[--enable-stage1-languages[=all]]], |
2253 | [choose additional languages to build during | |
2254 | stage1. Mostly useful for compiler development])], | |
e1888513 PB |
2255 | [case ,${enable_stage1_languages}, in |
2256 | ,no,|,,) | |
2257 | # Set it to something that will have no effect in the loop below | |
2258 | enable_stage1_languages=c ;; | |
2259 | ,yes,) | |
2260 | enable_stage1_languages=`echo $new_enable_languages | \ | |
2261 | sed -e "s/^,//" -e "s/,$//" ` ;; | |
2262 | *,all,*) | |
2263 | enable_stage1_languages=`echo ,$enable_stage1_languages, | \ | |
2264 | sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; | |
2265 | esac | |
2266 | ||
2267 | # Add "good" languages from enable_stage1_languages to stage1_languages, | |
2268 | # while "bad" languages go in missing_languages. Leave no duplicates. | |
2269 | for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do | |
2270 | case $potential_languages in | |
2271 | *,$i,*) | |
2272 | case $stage1_languages in | |
2273 | *,$i,*) ;; | |
2274 | *) stage1_languages="$stage1_languages$i," ;; | |
2275 | esac ;; | |
2276 | *) | |
2277 | case $missing_languages in | |
2278 | *,$i,*) ;; | |
2279 | *) missing_languages="$missing_languages$i," ;; | |
2280 | esac ;; | |
2281 | esac | |
2282 | done]) | |
2283 | ||
2284 | # Remove leading/trailing commas that were added for simplicity | |
2285 | potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` | |
79b4b7d2 | 2286 | missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` |
e1888513 PB |
2287 | stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` |
2288 | new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` | |
2289 | ||
e4c9c075 PB |
2290 | if test "x$missing_languages" != x; then |
2291 | AC_MSG_ERROR([ | |
0cf085e4 | 2292 | The following requested languages could not be built: ${missing_languages} |
e1888513 | 2293 | Supported languages are: ${potential_languages}]) |
e4c9c075 | 2294 | fi |
e4c9c075 PB |
2295 | if test "x$new_enable_languages" != "x$enable_languages"; then |
2296 | echo The following languages will be built: ${new_enable_languages} | |
e1888513 | 2297 | enable_languages="$new_enable_languages" |
e4c9c075 | 2298 | fi |
e1888513 PB |
2299 | |
2300 | AC_SUBST(stage1_languages) | |
b2eaac4a | 2301 | ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` |
e4c9c075 PB |
2302 | fi |
2303 | ||
27079765 AH |
2304 | # Handle --disable-<component> generically. |
2305 | for dir in $configdirs $build_configdirs $target_configdirs ; do | |
2306 | dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` | |
ac9e6043 RW |
2307 | varname=`echo $dirname | sed -e s/+/_/g` |
2308 | if eval test x\${enable_${varname}} "=" xno ; then | |
27079765 AH |
2309 | noconfigdirs="$noconfigdirs $dir" |
2310 | fi | |
2311 | done | |
2312 | ||
43c40f3e RO |
2313 | # Check for Boehm's garbage collector |
2314 | AC_ARG_ENABLE(objc-gc, | |
2315 | [AS_HELP_STRING([--enable-objc-gc], | |
2316 | [enable use of Boehm's garbage collector with the | |
114bf3f1 MK |
2317 | GNU Objective-C runtime])]) |
2318 | AC_ARG_WITH([target-bdw-gc], | |
2319 | [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], | |
2320 | [specify prefix directory for installed bdw-gc package. | |
2321 | Equivalent to --with-target-bdw-gc-include=PATH/include | |
2322 | plus --with-target-bdw-gc-lib=PATH/lib])]) | |
2323 | AC_ARG_WITH([target-bdw-gc-include], | |
2324 | [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], | |
2325 | [specify directories for installed bdw-gc include files])]) | |
2326 | AC_ARG_WITH([target-bdw-gc-lib], | |
2327 | [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], | |
2328 | [specify directories for installed bdw-gc library])]) | |
2329 | ||
2330 | case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) | |
2331 | AC_MSG_CHECKING([for bdw garbage collector]) | |
2332 | if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then | |
825fba52 MK |
2333 | dnl no bdw-gw options, assume default locations |
2334 | AC_MSG_RESULT([using bdw-gc in default locations]) | |
114bf3f1 MK |
2335 | else |
2336 | dnl bdw-gw options, first error checking, complete checking in libobjc | |
2337 | if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then | |
2338 | AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) | |
2339 | elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then | |
2340 | AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) | |
2341 | else | |
2342 | AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) | |
2343 | fi | |
2344 | fi | |
43c40f3e RO |
2345 | esac |
2346 | ||
5e9d6aa4 | 2347 | # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ |
99776ebd | 2348 | case ,${enable_languages}, in |
1007a55c | 2349 | *,c++,*) |
5e9d6aa4 | 2350 | # Disable libitm, libsanitizer if we're not building libstdc++ |
1007a55c JW |
2351 | case "${noconfigdirs}" in |
2352 | *target-libstdc++-v3*) | |
5e9d6aa4 | 2353 | noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" |
1007a55c JW |
2354 | ;; |
2355 | *) ;; | |
2356 | esac | |
2357 | ;; | |
99776ebd | 2358 | *) |
5e9d6aa4 | 2359 | noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" |
99776ebd RH |
2360 | ;; |
2361 | esac | |
7cd0cf9c | 2362 | |
dc614a83 AB |
2363 | # If gcc/ is not in the source tree then we'll not be building a |
2364 | # target compiler, assume in that case we don't want to build any | |
2365 | # target libraries or tools. | |
2366 | # | |
2367 | # This was added primarily for the benefit for binutils-gdb who reuse | |
2368 | # this configure script, but don't always have target tools available. | |
2369 | if test ! -d ${srcdir}/gcc; then | |
2370 | skipdirs="${skipdirs} ${target_configdirs}" | |
2371 | fi | |
2372 | ||
9d069a4f PB |
2373 | # Remove the entries in $skipdirs and $noconfigdirs from $configdirs, |
2374 | # $build_configdirs and $target_configdirs. | |
e4c9c075 PB |
2375 | # If we have the source for $noconfigdirs entries, add them to $notsupp. |
2376 | ||
2377 | notsupp="" | |
2378 | for dir in . $skipdirs $noconfigdirs ; do | |
9d069a4f | 2379 | dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` |
e4c9c075 PB |
2380 | if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then |
2381 | configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` | |
2382 | if test -r $srcdir/$dirname/configure ; then | |
2383 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2384 | true | |
2385 | else | |
2386 | notsupp="$notsupp $dir" | |
2387 | fi | |
2388 | fi | |
2389 | fi | |
9d069a4f PB |
2390 | if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then |
2391 | build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` | |
2392 | if test -r $srcdir/$dirname/configure ; then | |
2393 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2394 | true | |
2395 | else | |
2396 | notsupp="$notsupp $dir" | |
2397 | fi | |
2398 | fi | |
2399 | fi | |
e4c9c075 PB |
2400 | if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then |
2401 | target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` | |
2402 | if test -r $srcdir/$dirname/configure ; then | |
2403 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2404 | true | |
2405 | else | |
2406 | notsupp="$notsupp $dir" | |
2407 | fi | |
2408 | fi | |
2409 | fi | |
2410 | done | |
2411 | ||
e4c9c075 PB |
2412 | # Quietly strip out all directories which aren't configurable in this tree. |
2413 | # This relies on all configurable subdirectories being autoconfiscated, which | |
2414 | # is now the case. | |
23f6b2f9 PB |
2415 | build_configdirs_all="$build_configdirs" |
2416 | build_configdirs= | |
2417 | for i in ${build_configdirs_all} ; do | |
2418 | j=`echo $i | sed -e s/build-//g` | |
2419 | if test -f ${srcdir}/$j/configure ; then | |
2420 | build_configdirs="${build_configdirs} $i" | |
2421 | fi | |
2422 | done | |
2423 | ||
e4c9c075 PB |
2424 | configdirs_all="$configdirs" |
2425 | configdirs= | |
2426 | for i in ${configdirs_all} ; do | |
2427 | if test -f ${srcdir}/$i/configure ; then | |
2428 | configdirs="${configdirs} $i" | |
2429 | fi | |
2430 | done | |
23f6b2f9 | 2431 | |
e4c9c075 PB |
2432 | target_configdirs_all="$target_configdirs" |
2433 | target_configdirs= | |
2434 | for i in ${target_configdirs_all} ; do | |
2435 | j=`echo $i | sed -e s/target-//g` | |
2436 | if test -f ${srcdir}/$j/configure ; then | |
2437 | target_configdirs="${target_configdirs} $i" | |
2438 | fi | |
2439 | done | |
2440 | ||
45b3824d TS |
2441 | # libiberty-linker-plugin is special: it doesn't have its own source directory, |
2442 | # so we have to add it after the preceding checks. | |
2443 | if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x | |
2444 | then | |
2445 | case " $configdirs " in | |
2446 | *" libiberty "*) | |
2447 | # If we can build libiberty, we can also build libiberty-linker-plugin. | |
2448 | configdirs="$configdirs libiberty-linker-plugin" | |
2449 | extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ | |
2450 | --with-libiberty=../libiberty-linker-plugin";; | |
2451 | *) | |
2452 | AC_MSG_ERROR([libiberty missing]);; | |
2453 | esac | |
2454 | fi | |
2455 | ||
fca38047 TS |
2456 | # Sometimes we have special requirements for the host libiberty. |
2457 | extra_host_libiberty_configure_flags= | |
1c01ebf6 | 2458 | extra_host_zlib_configure_flags= |
fca38047 TS |
2459 | case " $configdirs " in |
2460 | *" lto-plugin "* | *" libcc1 "*) | |
2461 | # When these are to be built as shared libraries, the same applies to | |
2462 | # libiberty. | |
2463 | extra_host_libiberty_configure_flags=--enable-shared | |
2464 | ;; | |
1c01ebf6 L |
2465 | *" bfd "*) |
2466 | # When bfd is to be built as a shared library, the same applies to | |
2467 | # zlib. | |
2468 | if test "$enable_shared" = "yes"; then | |
2469 | extra_host_zlib_configure_flags=--enable-host-shared | |
2470 | fi | |
2471 | ;; | |
fca38047 TS |
2472 | esac |
2473 | AC_SUBST(extra_host_libiberty_configure_flags) | |
1c01ebf6 | 2474 | AC_SUBST(extra_host_zlib_configure_flags) |
fca38047 | 2475 | |
e4c9c075 PB |
2476 | # Produce a warning message for the subdirs we can't configure. |
2477 | # This isn't especially interesting in the Cygnus tree, but in the individual | |
2478 | # FSF releases, it's important to let people know when their machine isn't | |
2479 | # supported by the one or two programs in a package. | |
2480 | ||
2481 | if test -n "${notsupp}" && test -z "${norecursion}" ; then | |
2482 | # If $appdirs is non-empty, at least one of those directories must still | |
2483 | # be configured, or we error out. (E.g., if the gas release supports a | |
2484 | # specified target in some subdirs but not the gas subdir, we shouldn't | |
2485 | # pretend that all is well.) | |
2486 | if test -n "$appdirs" ; then | |
2487 | for dir in $appdirs ; do | |
2488 | if test -r $dir/Makefile.in ; then | |
2489 | if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2490 | appdirs="" | |
2491 | break | |
2492 | fi | |
23f6b2f9 | 2493 | if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then |
e4c9c075 PB |
2494 | appdirs="" |
2495 | break | |
2496 | fi | |
2497 | fi | |
2498 | done | |
2499 | if test -n "$appdirs" ; then | |
2500 | echo "*** This configuration is not supported by this package." 1>&2 | |
2501 | exit 1 | |
2502 | fi | |
2503 | fi | |
2504 | # Okay, some application will build, or we don't care to check. Still | |
2505 | # notify of subdirs not getting built. | |
2506 | echo "*** This configuration is not supported in the following subdirectories:" 1>&2 | |
2507 | echo " ${notsupp}" 1>&2 | |
2508 | echo " (Any other directories should still work fine.)" 1>&2 | |
2509 | fi | |
2510 | ||
2511 | case "$host" in | |
2512 | *msdosdjgpp*) | |
2513 | enable_gdbtk=no ;; | |
2514 | esac | |
2515 | ||
c3a86da9 DJ |
2516 | # To find our prefix, in gcc_cv_tool_prefix. |
2517 | ACX_TOOL_DIRS | |
2518 | ||
e4c9c075 PB |
2519 | copy_dirs= |
2520 | ||
526635cb | 2521 | AC_ARG_WITH([build-sysroot], |
33e39b66 AS |
2522 | [AS_HELP_STRING([--with-build-sysroot=SYSROOT], |
2523 | [use sysroot as the system root during the build])], | |
526635cb MM |
2524 | [if test x"$withval" != x ; then |
2525 | SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" | |
2526 | fi], | |
2527 | [SYSROOT_CFLAGS_FOR_TARGET=]) | |
2528 | AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) | |
2529 | ||
c8aea42c | 2530 | AC_ARG_WITH([debug-prefix-map], |
33e39b66 AS |
2531 | [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], |
2532 | [map A to B, C to D ... in debug information])], | |
c8aea42c PB |
2533 | [if test x"$withval" != x; then |
2534 | DEBUG_PREFIX_CFLAGS_FOR_TARGET= | |
2535 | for debug_map in $withval; do | |
2536 | DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" | |
2537 | done | |
2538 | fi], | |
2539 | [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) | |
2540 | AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) | |
2541 | ||
1c8bd6a3 PB |
2542 | # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS |
2543 | # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS | |
2544 | # might also be empty (or "-g", if a non-GCC C++ compiler is in the path). | |
2545 | # We want to ensure that TARGET libraries (which we know are built with | |
2546 | # gcc) are built with "-O2 -g", so include those options when setting | |
2547 | # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. | |
2548 | if test "x$CFLAGS_FOR_TARGET" = x; then | |
fc30054e AH |
2549 | if test "x${is_cross_compiler}" = xyes; then |
2550 | CFLAGS_FOR_TARGET="-g -O2" | |
2551 | else | |
2552 | CFLAGS_FOR_TARGET=$CFLAGS | |
2553 | case " $CFLAGS " in | |
2554 | *" -O2 "*) ;; | |
2555 | *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; | |
2556 | esac | |
2557 | case " $CFLAGS " in | |
2558 | *" -g "* | *" -g3 "*) ;; | |
2559 | *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; | |
2560 | esac | |
2561 | fi | |
1c8bd6a3 PB |
2562 | fi |
2563 | AC_SUBST(CFLAGS_FOR_TARGET) | |
2564 | ||
2565 | if test "x$CXXFLAGS_FOR_TARGET" = x; then | |
fc30054e AH |
2566 | if test "x${is_cross_compiler}" = xyes; then |
2567 | CXXFLAGS_FOR_TARGET="-g -O2" | |
2568 | else | |
2569 | CXXFLAGS_FOR_TARGET=$CXXFLAGS | |
2570 | case " $CXXFLAGS " in | |
2571 | *" -O2 "*) ;; | |
2572 | *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; | |
2573 | esac | |
2574 | case " $CXXFLAGS " in | |
2575 | *" -g "* | *" -g3 "*) ;; | |
2576 | *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; | |
2577 | esac | |
2578 | fi | |
1c8bd6a3 PB |
2579 | fi |
2580 | AC_SUBST(CXXFLAGS_FOR_TARGET) | |
2581 | ||
6f57bdf6 DK |
2582 | AC_SUBST(LDFLAGS_FOR_TARGET) |
2583 | ||
e4c9c075 PB |
2584 | # Handle --with-headers=XXX. If the value is not "yes", the contents of |
2585 | # the named directory are copied to $(tooldir)/sys-include. | |
2586 | if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then | |
2587 | if test x${is_cross_compiler} = xno ; then | |
2588 | echo 1>&2 '***' --with-headers is only supported when cross compiling | |
2589 | exit 1 | |
2590 | fi | |
2591 | if test x"${with_headers}" != xyes ; then | |
c3a86da9 | 2592 | x=${gcc_cv_tool_prefix} |
1c710c3c | 2593 | copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" |
e4c9c075 PB |
2594 | fi |
2595 | fi | |
2596 | ||
2597 | # Handle --with-libs=XXX. If the value is not "yes", the contents of | |
2598 | # the name directories are copied to $(tooldir)/lib. Multiple directories | |
2599 | # are permitted. | |
2600 | if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then | |
2601 | if test x${is_cross_compiler} = xno ; then | |
2602 | echo 1>&2 '***' --with-libs is only supported when cross compiling | |
2603 | exit 1 | |
2604 | fi | |
2605 | if test x"${with_libs}" != xyes ; then | |
2606 | # Copy the libraries in reverse order, so that files in the first named | |
2607 | # library override files in subsequent libraries. | |
c3a86da9 | 2608 | x=${gcc_cv_tool_prefix} |
e4c9c075 | 2609 | for l in ${with_libs}; do |
1c710c3c | 2610 | copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" |
e4c9c075 PB |
2611 | done |
2612 | fi | |
2613 | fi | |
2614 | ||
d7f09764 | 2615 | # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. |
e8b05380 PB |
2616 | # |
2617 | # This is done by determining whether or not the appropriate directory | |
2618 | # is available, and by checking whether or not specific configurations | |
2619 | # have requested that this magic not happen. | |
2620 | # | |
2621 | # The command line options always override the explicit settings in | |
6b1786aa | 2622 | # configure.ac, and the settings in configure.ac override this magic. |
e8b05380 PB |
2623 | # |
2624 | # If the default for a toolchain is to use GNU as and ld, and you don't | |
2625 | # want to do that, then you should use the --without-gnu-as and | |
d7f09764 DN |
2626 | # --without-gnu-ld options for the configure script. Similarly, if |
2627 | # the default is to use the included zlib and you don't want to do that, | |
2628 | # you should use the --with-system-zlib option for the configure script. | |
e8b05380 PB |
2629 | |
2630 | if test x${use_gnu_as} = x && | |
2631 | echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then | |
2632 | with_gnu_as=yes | |
2633 | extra_host_args="$extra_host_args --with-gnu-as" | |
2634 | fi | |
2635 | ||
2636 | if test x${use_gnu_ld} = x && | |
5afab7ad | 2637 | echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then |
e8b05380 PB |
2638 | with_gnu_ld=yes |
2639 | extra_host_args="$extra_host_args --with-gnu-ld" | |
2640 | fi | |
2641 | ||
d7f09764 DN |
2642 | if test x${use_included_zlib} = x && |
2643 | echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then | |
2644 | : | |
2645 | else | |
2646 | with_system_zlib=yes | |
2647 | extra_host_args="$extra_host_args --with-system-zlib" | |
2648 | fi | |
2649 | ||
e8b05380 PB |
2650 | # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure |
2651 | # can detect this case. | |
2652 | ||
2653 | if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then | |
2654 | with_newlib=yes | |
2655 | extra_host_args="$extra_host_args --with-newlib" | |
2656 | fi | |
2657 | ||
e4c9c075 PB |
2658 | # Handle ${copy_dirs} |
2659 | set fnord ${copy_dirs} | |
2660 | shift | |
2661 | while test $# != 0 ; do | |
2662 | if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then | |
2663 | : | |
2664 | else | |
2665 | echo Copying $1 to $2 | |
2666 | ||
2667 | # Use the install script to create the directory and all required | |
2668 | # parent directories. | |
2669 | if test -d $2 ; then | |
2670 | : | |
2671 | else | |
2672 | echo >config.temp | |
2673 | ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED | |
2674 | fi | |
2675 | ||
2676 | # Copy the directory, assuming we have tar. | |
2677 | # FIXME: Should we use B in the second tar? Not all systems support it. | |
2678 | (cd $1; tar -cf - .) | (cd $2; tar -xpf -) | |
2679 | ||
2680 | # It is the responsibility of the user to correctly adjust all | |
2681 | # symlinks. If somebody can figure out how to handle them correctly | |
2682 | # here, feel free to add the code. | |
2683 | ||
2684 | echo $1 > $2/COPIED | |
2685 | fi | |
2686 | shift; shift | |
2687 | done | |
2688 | ||
e8b05380 PB |
2689 | # Determine a target-dependent exec_prefix that the installed |
2690 | # gcc will search in. Keep this list sorted by triplet, with | |
2691 | # the *-*-osname triplets last. | |
2692 | md_exec_prefix= | |
2693 | case "${target}" in | |
30b74385 | 2694 | i[[34567]]86-pc-msdosdjgpp*) |
e8b05380 PB |
2695 | md_exec_prefix=/dev/env/DJDIR/bin |
2696 | ;; | |
e8b05380 | 2697 | *-*-hpux* | \ |
e8b05380 | 2698 | *-*-nto-qnx* | \ |
6de66370 | 2699 | *-*-solaris2*) |
e8b05380 PB |
2700 | md_exec_prefix=/usr/ccs/bin |
2701 | ;; | |
2702 | esac | |
2703 | ||
4977bab6 ZW |
2704 | extra_arflags_for_target= |
2705 | extra_nmflags_for_target= | |
2a726918 | 2706 | extra_ranlibflags_for_target= |
671aa708 | 2707 | target_makefile_frag=/dev/null |
55380b08 | 2708 | case "${target}" in |
58e24147 AM |
2709 | spu-*-*) |
2710 | target_makefile_frag="config/mt-spu" | |
2711 | ;; | |
74ae587e | 2712 | mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) |
4bf6c438 RS |
2713 | target_makefile_frag="config/mt-sde" |
2714 | ;; | |
1ec3b87b RS |
2715 | mipsisa*-*-elfoabi*) |
2716 | target_makefile_frag="config/mt-mips-elfoabi" | |
2717 | ;; | |
08d0963a RS |
2718 | mips*-*-*linux* | mips*-*-gnu*) |
2719 | target_makefile_frag="config/mt-mips-gnu" | |
2720 | ;; | |
707f1839 SL |
2721 | nios2-*-elf*) |
2722 | target_makefile_frag="config/mt-nios2-elf" | |
2723 | ;; | |
76052545 EB |
2724 | *-*-linux-android*) |
2725 | target_makefile_frag="config/mt-android" | |
2726 | ;; | |
416ac4d4 | 2727 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) |
98a5bb3b | 2728 | target_makefile_frag="config/mt-gnu" |
55380b08 | 2729 | ;; |
671aa708 | 2730 | *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) |
4977bab6 ZW |
2731 | # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm |
2732 | # commands to handle both 32-bit and 64-bit objects. These flags are | |
2733 | # harmless if we're using GNU nm or ar. | |
2734 | extra_arflags_for_target=" -X32_64" | |
2735 | extra_nmflags_for_target=" -B -X32_64" | |
55380b08 | 2736 | ;; |
c3b7d169 NN |
2737 | esac |
2738 | ||
671aa708 | 2739 | alphaieee_frag=/dev/null |
c3b7d169 NN |
2740 | case $target in |
2741 | alpha*-*-*) | |
2742 | # This just makes sure to use the -mieee option to build target libs. | |
2743 | # This should probably be set individually by each library. | |
2744 | alphaieee_frag="config/mt-alphaieee" | |
55380b08 NN |
2745 | ;; |
2746 | esac | |
701afd4d | 2747 | |
55380b08 NN |
2748 | # If --enable-target-optspace always use -Os instead of -O2 to build |
2749 | # the target libraries, similarly if it is not specified, use -Os | |
2750 | # on selected platforms. | |
671aa708 | 2751 | ospace_frag=/dev/null |
55380b08 NN |
2752 | case "${enable_target_optspace}:${target}" in |
2753 | yes:*) | |
c3b7d169 | 2754 | ospace_frag="config/mt-ospace" |
55380b08 NN |
2755 | ;; |
2756 | :d30v-*) | |
c3b7d169 | 2757 | ospace_frag="config/mt-d30v" |
55380b08 | 2758 | ;; |
d9063947 | 2759 | :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) |
c3b7d169 | 2760 | ospace_frag="config/mt-ospace" |
55380b08 NN |
2761 | ;; |
2762 | no:* | :*) | |
2763 | ;; | |
2764 | *) | |
2765 | echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 | |
2766 | ;; | |
2767 | esac | |
6599da04 | 2768 | |
671aa708 NN |
2769 | # Some systems (e.g., one of the i386-aix systems the gas testers are |
2770 | # using) don't handle "\$" correctly, so don't use it here. | |
1c710c3c | 2771 | tooldir='${exec_prefix}'/${target_noncanonical} |
671aa708 NN |
2772 | build_tooldir=${tooldir} |
2773 | ||
671aa708 NN |
2774 | # Create a .gdbinit file which runs the one in srcdir |
2775 | # and tells GDB to look there for source files. | |
2776 | ||
2777 | if test -r ${srcdir}/.gdbinit ; then | |
2778 | case ${srcdir} in | |
2779 | .) ;; | |
2780 | *) cat > ./.gdbinit <<EOF | |
2781 | # ${NO_EDIT} | |
2782 | dir ${srcdir} | |
2783 | dir . | |
2784 | source ${srcdir}/.gdbinit | |
2785 | EOF | |
2786 | ;; | |
2787 | esac | |
2788 | fi | |
2789 | ||
6599da04 JM |
2790 | # Make sure that the compiler is able to generate an executable. If it |
2791 | # can't, we are probably in trouble. We don't care whether we can run the | |
2792 | # executable--we might be using a cross compiler--we only care whether it | |
2793 | # can be created. At this point the main configure script has set CC. | |
aeaa0f2f | 2794 | we_are_ok=no |
6599da04 JM |
2795 | echo "int main () { return 0; }" > conftest.c |
2796 | ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c | |
aeaa0f2f NN |
2797 | if test $? = 0 ; then |
2798 | if test -s conftest || test -s conftest.exe ; then | |
2799 | we_are_ok=yes | |
2800 | fi | |
2801 | fi | |
2802 | case $we_are_ok in | |
2803 | no) | |
2804 | echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." | |
2805 | echo 1>&2 "*** You must set the environment variable CC to a working compiler." | |
2806 | rm -f conftest* | |
2807 | exit 1 | |
2808 | ;; | |
2809 | esac | |
6599da04 JM |
2810 | rm -f conftest* |
2811 | ||
d89f0ad6 | 2812 | # Decide which environment variable is used to find dynamic libraries. |
fe3d5b7f NN |
2813 | case "${host}" in |
2814 | *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; | |
111eeb6e | 2815 | *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; |
d89f0ad6 | 2816 | *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; |
fe3d5b7f NN |
2817 | *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; |
2818 | esac | |
fe3d5b7f | 2819 | |
d89f0ad6 AL |
2820 | # On systems where the dynamic library environment variable is PATH, |
2821 | # gcc/ will put dynamic libraries into a subdirectory to avoid adding | |
2822 | # built executables to PATH. | |
2823 | if test "$RPATH_ENVVAR" = PATH; then | |
2824 | GCC_SHLIB_SUBDIR=/shlib | |
2825 | else | |
2826 | GCC_SHLIB_SUBDIR= | |
2827 | fi | |
2828 | ||
beeda1d9 JJ |
2829 | # Adjust the toplevel makefile according to whether bootstrap was selected. |
2830 | case $enable_bootstrap in | |
2831 | yes) | |
2832 | bootstrap_suffix=bootstrap | |
2833 | BUILD_CONFIG=bootstrap-debug | |
2834 | ;; | |
2835 | no) | |
2836 | bootstrap_suffix=no-bootstrap | |
2837 | BUILD_CONFIG= | |
2838 | ;; | |
2839 | esac | |
2840 | ||
2841 | AC_MSG_CHECKING(for default BUILD_CONFIG) | |
2842 | ||
2843 | AC_ARG_WITH([build-config], | |
2844 | [AS_HELP_STRING([--with-build-config='NAME NAME2...'], | |
2845 | [use config/NAME.mk build configuration])], | |
2846 | [case $with_build_config in | |
2847 | yes) with_build_config= ;; | |
2848 | no) with_build_config= BUILD_CONFIG= ;; | |
2849 | esac]) | |
2850 | ||
2851 | if test "x${with_build_config}" != x; then | |
2852 | BUILD_CONFIG=$with_build_config | |
2853 | else | |
2854 | case $BUILD_CONFIG in | |
2855 | bootstrap-debug) | |
2856 | if echo "int f (void) { return 0; }" > conftest.c && | |
2857 | ${CC} -c conftest.c && | |
2858 | mv conftest.o conftest.o.g0 && | |
2859 | ${CC} -c -g conftest.c && | |
2860 | mv conftest.o conftest.o.g && | |
2861 | ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then | |
2862 | : | |
2863 | else | |
2864 | BUILD_CONFIG= | |
2865 | fi | |
2866 | rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g | |
2867 | ;; | |
2868 | esac | |
2869 | fi | |
2870 | AC_MSG_RESULT($BUILD_CONFIG) | |
2871 | AC_SUBST(BUILD_CONFIG) | |
2872 | ||
2873 | # Use same top-level configure hooks in libgcc/libstdc++/libvtv. | |
2874 | AC_MSG_CHECKING([for --enable-vtable-verify]) | |
2875 | AC_ARG_ENABLE(vtable-verify, | |
318a4e6d MF |
2876 | [AS_HELP_STRING([--enable-vtable-verify], |
2877 | [Enable vtable verification feature])], | |
beeda1d9 JJ |
2878 | [case "$enableval" in |
2879 | yes) enable_vtable_verify=yes ;; | |
2880 | no) enable_vtable_verify=no ;; | |
2881 | *) enable_vtable_verify=no;; | |
2882 | esac], | |
2883 | [enable_vtable_verify=no]) | |
2884 | AC_MSG_RESULT($enable_vtable_verify) | |
2885 | ||
4977bab6 ZW |
2886 | # Record target_configdirs and the configure arguments for target and |
2887 | # build configuration in Makefile. | |
2888 | target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` | |
23f6b2f9 | 2889 | build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` |
9e1c8fc1 | 2890 | bootstrap_fixincludes=no |
4977bab6 | 2891 | |
ad1e5170 JR |
2892 | # If we are building libgomp, bootstrap it. |
2893 | if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then | |
2894 | bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, | |
2895 | fi | |
2896 | ||
beeda1d9 JJ |
2897 | # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan |
2898 | # or bootstrap-ubsan, bootstrap it. | |
2899 | if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then | |
2900 | case "$BUILD_CONFIG" in | |
170e618e | 2901 | *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* ) |
beeda1d9 | 2902 | bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, |
9e1c8fc1 | 2903 | bootstrap_fixincludes=yes |
beeda1d9 JJ |
2904 | ;; |
2905 | esac | |
ac8701fe L |
2906 | fi |
2907 | ||
beeda1d9 JJ |
2908 | # If we are building libvtv and --enable-vtable-verify, bootstrap it. |
2909 | if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && | |
2910 | test "$enable_vtable_verify" != no; then | |
2077db1b CT |
2911 | bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, |
2912 | fi | |
2913 | ||
5fee5ec3 IB |
2914 | # If we are building libatomic and the list of enabled languages includes the |
2915 | # D frontend, bootstrap it. | |
2916 | if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then | |
2917 | case ,${enable_languages}, in | |
2918 | *,d,*) | |
2919 | bootstrap_target_libs=${bootstrap_target_libs}target-libatomic, | |
2920 | ;; | |
2921 | esac | |
2922 | fi | |
2923 | ||
4977bab6 ZW |
2924 | # Determine whether gdb needs tk/tcl or not. |
2925 | # Use 'maybe' since enable_gdbtk might be true even if tk isn't available | |
2926 | # and in that case we want gdb to be built without tk. Ugh! | |
2927 | # In fact I believe gdb is the *only* package directly dependent on tk, | |
2928 | # so we should be able to put the 'maybe's in unconditionally and | |
2929 | # leave out the maybe dependencies when enable_gdbtk is false. I'm not | |
2930 | # 100% sure that that's safe though. | |
e914a571 | 2931 | |
b4f96efe | 2932 | gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" |
4977bab6 ZW |
2933 | case "$enable_gdbtk" in |
2934 | no) | |
2935 | GDB_TK="" ;; | |
e914a571 AC |
2936 | yes) |
2937 | GDB_TK="${gdb_tk}" ;; | |
4977bab6 | 2938 | *) |
e914a571 AC |
2939 | # Only add the dependency on gdbtk when GDBtk is part of the gdb |
2940 | # distro. Eventually someone will fix this and move Insight, nee | |
2941 | # gdbtk to a separate directory. | |
2942 | if test -d ${srcdir}/gdb/gdbtk ; then | |
2943 | GDB_TK="${gdb_tk}" | |
2944 | else | |
2945 | GDB_TK="" | |
2946 | fi | |
2947 | ;; | |
4977bab6 | 2948 | esac |
ef9db8d5 DJ |
2949 | CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` |
2950 | INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` | |
4977bab6 | 2951 | |
f9d09df0 TT |
2952 | # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing |
2953 | # else does, only include them if one of these is built. The Makefile | |
2954 | # provides the ordering, so it's enough here to add to the list. | |
2955 | case " ${configdirs} " in | |
2956 | *\ gdb\ *) | |
2957 | configdirs="${configdirs} gnulib gdbsupport" | |
2958 | ;; | |
2959 | *\ gdbserver\ *) | |
2960 | configdirs="${configdirs} gnulib gdbsupport" | |
2961 | ;; | |
f14c9bd4 MF |
2962 | *\ sim\ *) |
2963 | configdirs="${configdirs} gnulib" | |
2964 | ;; | |
f9d09df0 | 2965 | esac |
98e5be21 | 2966 | |
60975492 | 2967 | # Strip out unwanted targets. |
8b87bb96 NN |
2968 | |
2969 | # While at that, we remove Makefiles if we were started for recursive | |
2970 | # configuration, so that the top-level Makefile reconfigures them, | |
2971 | # like we used to do when configure itself was recursive. | |
8b87bb96 | 2972 | |
3e54529c RW |
2973 | # Loop over modules. We used to use the "$extrasub" feature from Autoconf |
2974 | # but now we're fixing up the Makefile ourselves with the additional | |
2975 | # commands passed to AC_CONFIG_FILES. Use separate variables | |
2976 | # extrasub-{build,host,target} not because there is any reason to split | |
2977 | # the substitutions up that way, but only to remain below the limit of | |
2978 | # 99 commands in a script, for HP-UX sed. | |
da34ca3f AO |
2979 | |
2980 | # Do not nest @if/@endif or @unless/@endunless pairs, because | |
2981 | # configure will not warn you at all. | |
8b87bb96 | 2982 | |
79cd2b23 RW |
2983 | case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in |
2984 | yes:yes:*\ gold\ *:*,c++,*) ;; | |
2985 | yes:yes:*\ gold\ *:*) | |
2986 | AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) | |
2987 | ;; | |
2988 | esac | |
2989 | ||
3e54529c | 2990 | extrasub_build= |
23f6b2f9 | 2991 | for module in ${build_configdirs} ; do |
8b87bb96 NN |
2992 | if test -z "${no_recursion}" \ |
2993 | && test -f ${build_subdir}/${module}/Makefile; then | |
2994 | echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" | |
2995 | rm -f ${build_subdir}/${module}/Makefile | |
2996 | fi | |
3e54529c | 2997 | extrasub_build="$extrasub_build |
60975492 | 2998 | /^@if build-$module\$/d |
5607edfd | 2999 | /^@endif build-$module\$/d |
da34ca3f | 3000 | /^@unless build-$module\$/,/^@endunless build-$module\$/d |
5607edfd | 3001 | /^@if build-$module-$bootstrap_suffix\$/d |
da34ca3f AO |
3002 | /^@endif build-$module-$bootstrap_suffix\$/d |
3003 | /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" | |
8b87bb96 | 3004 | done |
3e54529c | 3005 | extrasub_host= |
8b87bb96 | 3006 | for module in ${configdirs} ; do |
a6fbc1e2 | 3007 | if test -z "${no_recursion}"; then |
f063a9ed | 3008 | for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do |
a6fbc1e2 AS |
3009 | if test -f ${file}; then |
3010 | echo 1>&2 "*** removing ${file} to force reconfigure" | |
3011 | rm -f ${file} | |
3012 | fi | |
3013 | done | |
8b87bb96 | 3014 | fi |
9e1c8fc1 JJ |
3015 | case ${module},${bootstrap_fixincludes} in |
3016 | fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; | |
3017 | *) host_bootstrap_suffix=$bootstrap_suffix ;; | |
3018 | esac | |
3e54529c | 3019 | extrasub_host="$extrasub_host |
60975492 | 3020 | /^@if $module\$/d |
5607edfd | 3021 | /^@endif $module\$/d |
da34ca3f | 3022 | /^@unless $module\$/,/^@endunless $module\$/d |
9e1c8fc1 | 3023 | /^@if $module-$host_bootstrap_suffix\$/d |
da34ca3f AO |
3024 | /^@endif $module-$host_bootstrap_suffix\$/d |
3025 | /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" | |
8b87bb96 | 3026 | done |
3e54529c | 3027 | extrasub_target= |
8b87bb96 NN |
3028 | for module in ${target_configdirs} ; do |
3029 | if test -z "${no_recursion}" \ | |
3030 | && test -f ${target_subdir}/${module}/Makefile; then | |
3031 | echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" | |
3032 | rm -f ${target_subdir}/${module}/Makefile | |
3033 | fi | |
00020c16 ILT |
3034 | |
3035 | # We only bootstrap target libraries listed in bootstrap_target_libs. | |
3036 | case $bootstrap_target_libs in | |
3037 | *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; | |
3038 | *) target_bootstrap_suffix=no-bootstrap ;; | |
3039 | esac | |
3040 | ||
3e54529c | 3041 | extrasub_target="$extrasub_target |
60975492 | 3042 | /^@if target-$module\$/d |
5607edfd | 3043 | /^@endif target-$module\$/d |
da34ca3f | 3044 | /^@unless target-$module\$/,/^@endunless target-$module\$/d |
00020c16 | 3045 | /^@if target-$module-$target_bootstrap_suffix\$/d |
da34ca3f AO |
3046 | /^@endif target-$module-$target_bootstrap_suffix\$/d |
3047 | /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" | |
4977bab6 | 3048 | done |
f516a7da | 3049 | |
3e54529c RW |
3050 | # Do the final fixup along with target modules. |
3051 | extrasub_target="$extrasub_target | |
da34ca3f AO |
3052 | /^@if /,/^@endif /d |
3053 | /^@unless /d | |
3054 | /^@endunless /d" | |
4977bab6 | 3055 | |
4a5e71f2 L |
3056 | if test "$enable_pgo_build" != "no"; then |
3057 | extrasub_build="$extrasub_build | |
3058 | /^@if pgo-build\$/d | |
3059 | /^@endif pgo-build\$/d" | |
3060 | fi | |
3061 | ||
4977bab6 ZW |
3062 | # Create the serialization dependencies. This uses a temporary file. |
3063 | ||
ade82b16 | 3064 | AC_ARG_ENABLE([serial-configure], |
33e39b66 AS |
3065 | [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], |
3066 | [force sequential configuration of | |
3067 | sub-packages for the host, target or build | |
3068 | machine, or all sub-packages])]) | |
bf1d3e81 NN |
3069 | |
3070 | case ${enable_serial_configure} in | |
3071 | yes) | |
3072 | enable_serial_build_configure=yes | |
3073 | enable_serial_host_configure=yes | |
3074 | enable_serial_target_configure=yes | |
3075 | ;; | |
3076 | esac | |
ade82b16 | 3077 | |
4977bab6 ZW |
3078 | # These force 'configure's to be done one at a time, to avoid problems |
3079 | # with contention over a shared config.cache. | |
3080 | rm -f serdep.tmp | |
ade82b16 | 3081 | echo '# serdep.tmp' > serdep.tmp |
4977bab6 | 3082 | olditem= |
bf1d3e81 | 3083 | test "x${enable_serial_build_configure}" = xyes && |
4977bab6 ZW |
3084 | for item in ${build_configdirs} ; do |
3085 | case ${olditem} in | |
3086 | "") ;; | |
ade82b16 | 3087 | *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; |
4977bab6 ZW |
3088 | esac |
3089 | olditem=${item} | |
3090 | done | |
3091 | olditem= | |
bf1d3e81 | 3092 | test "x${enable_serial_host_configure}" = xyes && |
4977bab6 ZW |
3093 | for item in ${configdirs} ; do |
3094 | case ${olditem} in | |
3095 | "") ;; | |
ade82b16 | 3096 | *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; |
4977bab6 ZW |
3097 | esac |
3098 | olditem=${item} | |
3099 | done | |
3100 | olditem= | |
bf1d3e81 | 3101 | test "x${enable_serial_target_configure}" = xyes && |
4977bab6 ZW |
3102 | for item in ${target_configdirs} ; do |
3103 | case ${olditem} in | |
3104 | "") ;; | |
ade82b16 | 3105 | *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; |
4977bab6 ZW |
3106 | esac |
3107 | olditem=${item} | |
3108 | done | |
671aa708 NN |
3109 | serialization_dependencies=serdep.tmp |
3110 | AC_SUBST_FILE(serialization_dependencies) | |
fe3d5b7f | 3111 | |
ade82b16 | 3112 | # Base args. Strip norecursion, cache-file, srcdir, host, build, |
1c710c3c | 3113 | # target, nonopt, and variable assignments. These are the ones we |
f1a036e4 NC |
3114 | # might not want to pass down to subconfigures. The exception being |
3115 | # --cache-file=/dev/null, which is used to turn off the use of cache | |
3116 | # files altogether, and which should be passed on to subconfigures. | |
3117 | # Also strip program-prefix, program-suffix, and program-transform-name, | |
3118 | # so that we can pass down a consistent program-transform-name. | |
1c710c3c | 3119 | baseargs= |
29a63921 | 3120 | tbaseargs= |
1c710c3c DJ |
3121 | keep_next=no |
3122 | skip_next=no | |
3123 | eval "set -- $ac_configure_args" | |
44bfc3ac DJ |
3124 | for ac_arg |
3125 | do | |
1c710c3c DJ |
3126 | if test X"$skip_next" = X"yes"; then |
3127 | skip_next=no | |
3128 | continue | |
3129 | fi | |
3130 | if test X"$keep_next" = X"yes"; then | |
3131 | case $ac_arg in | |
3132 | *\'*) | |
3133 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; | |
3134 | esac | |
3135 | baseargs="$baseargs '$ac_arg'" | |
29a63921 | 3136 | tbaseargs="$tbaseargs '$ac_arg'" |
1c710c3c DJ |
3137 | keep_next=no |
3138 | continue | |
3139 | fi | |
3140 | ||
3141 | # Handle separated arguments. Based on the logic generated by | |
3142 | # autoconf 2.59. | |
3143 | case $ac_arg in | |
3144 | *=* | --config-cache | -C | -disable-* | --disable-* \ | |
3145 | | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ | |
3146 | | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ | |
3147 | | -with-* | --with-* | -without-* | --without-* | --x) | |
3148 | separate_arg=no | |
3149 | ;; | |
3150 | -*) | |
3151 | separate_arg=yes | |
3152 | ;; | |
3153 | *) | |
3154 | separate_arg=no | |
3155 | ;; | |
3156 | esac | |
3157 | ||
29a63921 AO |
3158 | skip_targ=no |
3159 | case $ac_arg in | |
3160 | changequote(,) | |
3161 | --with-* | --without-*) | |
3162 | libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` | |
3163 | ||
3164 | case $libopt in | |
3165 | *[-_]include) | |
3166 | lib=`echo "$libopt" | sed 's,[-_]include$,,'` | |
3167 | ;; | |
3168 | *[-_]lib) | |
3169 | lib=`echo "$libopt" | sed 's,[-_]lib$,,'` | |
3170 | ;; | |
3171 | *) | |
3172 | lib=$libopt | |
3173 | ;; | |
3174 | esac | |
3175 | changequote([,]) | |
3176 | ||
3177 | case $lib in | |
4a9bb2aa | 3178 | mpc | mpfr | gmp | isl) |
29a63921 AO |
3179 | # If we're processing --with-$lib, --with-$lib-include or |
3180 | # --with-$lib-lib, for one of the libs above, and target is | |
3181 | # different from host, don't pass the current argument to any | |
3182 | # target library's configure. | |
3183 | if test x$is_cross_compiler = xyes; then | |
3184 | skip_targ=yes | |
3185 | fi | |
3186 | ;; | |
3187 | esac | |
3188 | ;; | |
3189 | esac | |
3190 | ||
1c710c3c | 3191 | case "$ac_arg" in |
f1a036e4 NC |
3192 | --cache-file=/dev/null | \ |
3193 | -cache-file=/dev/null ) | |
3194 | # Handled here to avoid the test to skip args below. | |
3195 | baseargs="$baseargs '$ac_arg'" | |
29a63921 | 3196 | tbaseargs="$tbaseargs '$ac_arg'" |
f1a036e4 NC |
3197 | # Assert: $separate_arg should always be no. |
3198 | keep_next=$separate_arg | |
3199 | ;; | |
1c710c3c DJ |
3200 | --no*) |
3201 | continue | |
3202 | ;; | |
3203 | --c* | \ | |
3204 | --sr* | \ | |
3205 | --ho* | \ | |
3206 | --bu* | \ | |
3207 | --t* | \ | |
3208 | --program-* | \ | |
3209 | -cache_file* | \ | |
3210 | -srcdir* | \ | |
3211 | -host* | \ | |
3212 | -build* | \ | |
3213 | -target* | \ | |
3214 | -program-prefix* | \ | |
3215 | -program-suffix* | \ | |
3216 | -program-transform-name* ) | |
3217 | skip_next=$separate_arg | |
3218 | continue | |
3219 | ;; | |
3220 | -*) | |
3221 | # An option. Add it. | |
3222 | case $ac_arg in | |
3223 | *\'*) | |
3224 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; | |
3225 | esac | |
3226 | baseargs="$baseargs '$ac_arg'" | |
29a63921 AO |
3227 | if test X"$skip_targ" = Xno; then |
3228 | tbaseargs="$tbaseargs '$ac_arg'" | |
3229 | fi | |
1c710c3c DJ |
3230 | keep_next=$separate_arg |
3231 | ;; | |
3232 | *) | |
3233 | # Either a variable assignment, or a nonopt (triplet). Don't | |
3234 | # pass it down; let the Makefile handle this. | |
3235 | continue | |
3236 | ;; | |
3237 | esac | |
3238 | done | |
3239 | # Remove the initial space we just introduced and, as these will be | |
3240 | # expanded by make, quote '$'. | |
3241 | baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` | |
6599da04 | 3242 | |
43bb47c2 DJ |
3243 | # Add in --program-transform-name, after --program-prefix and |
3244 | # --program-suffix have been applied to it. Autoconf has already | |
3245 | # doubled dollar signs and backslashes in program_transform_name; we want | |
3246 | # the backslashes un-doubled, and then the entire thing wrapped in single | |
3247 | # quotes, because this will be expanded first by make and then by the shell. | |
3248 | # Also, because we want to override the logic in subdir configure scripts to | |
3249 | # choose program_transform_name, replace any s,x,x, with s,y,y,. | |
3250 | sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out | |
3251 | ${program_transform_name} | |
3252 | EOF_SED | |
3253 | gcc_transform_name=`cat conftestsed.out` | |
3254 | rm -f conftestsed.out | |
3255 | baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" | |
29a63921 | 3256 | tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" |
d9acb717 RW |
3257 | if test "$silent" = yes; then |
3258 | baseargs="$baseargs --silent" | |
29a63921 | 3259 | tbaseargs="$tbaseargs --silent" |
d9acb717 | 3260 | fi |
0115d4a3 | 3261 | baseargs="$baseargs --disable-option-checking" |
29a63921 | 3262 | tbaseargs="$tbaseargs --disable-option-checking" |
43bb47c2 | 3263 | |
ffedf511 RW |
3264 | # Record and document user additions to sub configure arguments. |
3265 | AC_ARG_VAR([build_configargs], | |
3266 | [additional configure arguments for build directories]) | |
3267 | AC_ARG_VAR([host_configargs], | |
3268 | [additional configure arguments for host directories]) | |
3269 | AC_ARG_VAR([target_configargs], | |
3270 | [additional configure arguments for target directories]) | |
3271 | ||
e490616e ZW |
3272 | # For the build-side libraries, we just need to pretend we're native, |
3273 | # and not use the same cache file. Multilibs are neither needed nor | |
3d96b0d0 HPN |
3274 | # desired. We can't even use the same cache file for all build-side |
3275 | # libraries, as they're compiled differently; some with C, some with | |
3276 | # C++ or with different feature-enabling options. | |
3277 | build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" | |
e254d6b5 | 3278 | |
4977bab6 ZW |
3279 | # For host modules, accept cache file option, or specification as blank. |
3280 | case "${cache_file}" in | |
3281 | "") # empty | |
3282 | cache_file_option="" ;; | |
671aa708 | 3283 | /* | [[A-Za-z]]:[[\\/]]* ) # absolute path |
4977bab6 ZW |
3284 | cache_file_option="--cache-file=${cache_file}" ;; |
3285 | *) # relative path | |
3286 | cache_file_option="--cache-file=../${cache_file}" ;; | |
3287 | esac | |
3288 | ||
09438bde NN |
3289 | # Host dirs don't like to share a cache file either, horribly enough. |
3290 | # This seems to be due to autoconf 2.5x stupidity. | |
ffedf511 | 3291 | host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" |
4977bab6 | 3292 | |
29a63921 | 3293 | target_configargs="$target_configargs ${tbaseargs}" |
e490616e | 3294 | |
6599da04 JM |
3295 | # Passing a --with-cross-host argument lets the target libraries know |
3296 | # whether they are being built with a cross-compiler or being built | |
3297 | # native. However, it would be better to use other mechanisms to make the | |
3298 | # sorts of decisions they want to make on this basis. Please consider | |
3299 | # this option to be deprecated. FIXME. | |
aeaa0f2f | 3300 | if test x${is_cross_compiler} = xyes ; then |
1c710c3c | 3301 | target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" |
6599da04 JM |
3302 | fi |
3303 | ||
79e0604d FXC |
3304 | # Special user-friendly check for native x86_64-linux build, if |
3305 | # multilib is not explicitly enabled. | |
3306 | case "$target:$have_compiler:$host:$target:$enable_multilib" in | |
3307 | x86_64-*linux*:yes:$build:$build:) | |
e640447c | 3308 | # Make sure we have a development environment that handles 32-bit |
79e0604d FXC |
3309 | dev64=no |
3310 | echo "int main () { return 0; }" > conftest.c | |
3311 | ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c | |
3312 | if test $? = 0 ; then | |
3313 | if test -s conftest || test -s conftest.exe ; then | |
3314 | dev64=yes | |
3315 | fi | |
3316 | fi | |
3317 | rm -f conftest* | |
3318 | if test x${dev64} != xyes ; then | |
e640447c | 3319 | AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) |
79e0604d FXC |
3320 | fi |
3321 | ;; | |
3322 | esac | |
3323 | ||
dc683a3f RW |
3324 | # Default to --enable-multilib. |
3325 | if test x${enable_multilib} = x ; then | |
3fedb745 | 3326 | target_configargs="--enable-multilib ${target_configargs}" |
dc683a3f | 3327 | fi |
6599da04 | 3328 | |
5d4a5ee6 JL |
3329 | # Pass --with-newlib if appropriate. Note that target_configdirs has |
3330 | # changed from the earlier setting of with_newlib. | |
aeaa0f2f | 3331 | if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then |
3fedb745 | 3332 | target_configargs="--with-newlib ${target_configargs}" |
5d4a5ee6 JL |
3333 | fi |
3334 | ||
6b9eb62c NN |
3335 | # Different target subdirs use different values of certain variables |
3336 | # (notably CXX). Worse, multilibs use *lots* of different values. | |
3337 | # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that | |
3338 | # it doesn't automatically accept command-line overrides of them. | |
3339 | # This means it's not safe for target subdirs to share a cache file, | |
3340 | # which is disgusting, but there you have it. Hopefully this can be | |
3341 | # fixed in future. It's still worthwhile to use a cache file for each | |
3342 | # directory. I think. | |
3343 | ||
bebcd931 MS |
3344 | # Pass the appropriate --build, --host, --target and --cache-file arguments. |
3345 | # We need to pass --target, as newer autoconf's requires consistency | |
3346 | # for target_alias and gcc doesn't manage it consistently. | |
e69bf64b | 3347 | target_configargs="--cache-file=./config.cache ${target_configargs}" |
e490616e | 3348 | |
b87487b6 | 3349 | FLAGS_FOR_TARGET= |
bb654703 | 3350 | case " $target_configdirs " in |
7965440a | 3351 | *" newlib "*) |
3fedb745 | 3352 | case " $target_configargs " in |
7965440a | 3353 | *" --with-newlib "*) |
b87487b6 | 3354 | case "$target" in |
5d571eaa | 3355 | *-cygwin*) |
443e6238 | 3356 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' |
5d571eaa | 3357 | ;; |
b87487b6 AO |
3358 | esac |
3359 | ||
afd7db25 | 3360 | # If we're not building GCC, don't discard standard headers. |
ef40bc65 | 3361 | if test -d ${srcdir}/gcc; then |
d4eb109c | 3362 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' |
afd7db25 AO |
3363 | |
3364 | if test "${build}" != "${host}"; then | |
3365 | # On Canadian crosses, CC_FOR_TARGET will have already been set | |
3366 | # by `configure', so we won't have an opportunity to add -Bgcc/ | |
3367 | # to it. This is right: we don't want to search that directory | |
3368 | # for binaries, but we want the header files in there, so add | |
3369 | # them explicitly. | |
0463992b | 3370 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' |
afd7db25 AO |
3371 | |
3372 | # Someone might think of using the pre-installed headers on | |
3373 | # Canadian crosses, in case the installed compiler is not fully | |
3374 | # compatible with the compiler being built. In this case, it | |
3375 | # would be better to flag an error than risking having | |
3376 | # incompatible object files being constructed. We can't | |
3377 | # guarantee that an error will be flagged, but let's hope the | |
3378 | # compiler will do it, when presented with incompatible header | |
3379 | # files. | |
3380 | fi | |
d4eb109c AO |
3381 | fi |
3382 | ||
ab50d72b | 3383 | case "${target}-${is_cross_compiler}" in |
f2a0e225 | 3384 | i[[3456789]]86-*-linux*-no) |
ab50d72b DD |
3385 | # Here host == target, so we don't need to build gcc, |
3386 | # so we don't want to discard standard headers. | |
3387 | FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` | |
ab50d72b DD |
3388 | ;; |
3389 | *) | |
3390 | # If we're building newlib, use its generic headers last, but search | |
3391 | # for any libc-related directories first (so make it the last -B | |
3392 | # switch). | |
3393 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' | |
c03353e2 RIL |
3394 | |
3395 | # If we're building libgloss, find the startup file, simulator library | |
3396 | # and linker script. | |
3397 | case " $target_configdirs " in | |
3398 | *" libgloss "*) | |
3399 | # Look for startup file, simulator library and maybe linker script. | |
3400 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" | |
3401 | # Look for libnosys.a in case the target needs it. | |
3402 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' | |
3403 | # Most targets have the linker script in the source directory. | |
3404 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" | |
3405 | ;; | |
3406 | esac | |
ab50d72b DD |
3407 | ;; |
3408 | esac | |
b87487b6 | 3409 | ;; |
7965440a AO |
3410 | esac |
3411 | ;; | |
b87487b6 | 3412 | esac |
5d571eaa | 3413 | |
b91f0a41 | 3414 | case "$target" in |
5d571eaa OS |
3415 | x86_64-*mingw* | *-w64-mingw*) |
3416 | # MinGW-w64 does not use newlib, nor does it use winsup. It may, | |
3417 | # however, use a symlink named 'mingw' in ${prefix} . | |
3418 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' | |
3419 | ;; | |
3420 | *-mingw*) | |
3421 | # MinGW can't be handled as Cygwin above since it does not use newlib. | |
3422 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' | |
3423 | ;; | |
b91f0a41 | 3424 | esac |
d4eb109c | 3425 | |
6691a79e ME |
3426 | # Allow the user to override the flags for |
3427 | # our build compiler if desired. | |
f019adc1 MF |
3428 | if test x"${build}" = x"${host}" ; then |
3429 | CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} | |
84401ce5 | 3430 | CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}} |
f019adc1 MF |
3431 | CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} |
3432 | LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} | |
3433 | fi | |
6691a79e | 3434 | |
d4eb109c AO |
3435 | # On Canadian crosses, we'll be searching the right directories for |
3436 | # the previously-installed cross compiler, so don't bother to add | |
3437 | # flags for directories within the install tree of the compiler | |
3438 | # being built; programs in there won't even run. | |
ef40bc65 | 3439 | if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then |
b87487b6 | 3440 | # Search for pre-installed headers if nothing else fits. |
9124bc53 | 3441 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' |
b87487b6 | 3442 | fi |
d4eb109c | 3443 | |
bb654703 | 3444 | if test "x${use_gnu_ld}" = x && |
55380b08 | 3445 | echo " ${configdirs} " | grep " ld " > /dev/null ; then |
b87487b6 | 3446 | # Arrange for us to find uninstalled linker scripts. |
215c351a | 3447 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' |
b87487b6 AO |
3448 | fi |
3449 | ||
e88a2c09 DD |
3450 | # Search for other target-specific linker scripts and such. |
3451 | case "${target}" in | |
3e19841a PB |
3452 | mep*) |
3453 | FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" | |
3454 | ;; | |
e88a2c09 DD |
3455 | esac |
3456 | ||
671aa708 | 3457 | # Makefile fragments. |
7b61653a PE |
3458 | for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; |
3459 | do | |
3460 | eval fragval=\$$frag | |
3461 | if test $fragval != /dev/null; then | |
3462 | eval $frag=${srcdir}/$fragval | |
3463 | fi | |
3464 | done | |
671aa708 NN |
3465 | AC_SUBST_FILE(host_makefile_frag) |
3466 | AC_SUBST_FILE(target_makefile_frag) | |
3467 | AC_SUBST_FILE(alphaieee_frag) | |
3468 | AC_SUBST_FILE(ospace_frag) | |
3469 | ||
3470 | # Miscellanea: directories, flags, etc. | |
671aa708 | 3471 | AC_SUBST(RPATH_ENVVAR) |
d89f0ad6 | 3472 | AC_SUBST(GCC_SHLIB_SUBDIR) |
671aa708 NN |
3473 | AC_SUBST(tooldir) |
3474 | AC_SUBST(build_tooldir) | |
ef9db8d5 | 3475 | AC_SUBST(CONFIGURE_GDB_TK) |
671aa708 | 3476 | AC_SUBST(GDB_TK) |
ef9db8d5 | 3477 | AC_SUBST(INSTALL_GDB_TK) |
671aa708 NN |
3478 | |
3479 | # Build module lists & subconfigure args. | |
671aa708 | 3480 | AC_SUBST(build_configargs) |
23f6b2f9 | 3481 | AC_SUBST(build_configdirs) |
671aa708 NN |
3482 | |
3483 | # Host module lists & subconfigure args. | |
3484 | AC_SUBST(host_configargs) | |
3485 | AC_SUBST(configdirs) | |
aae29963 | 3486 | AC_SUBST(target_configdirs) |
671aa708 NN |
3487 | |
3488 | # Target module lists & subconfigure args. | |
671aa708 | 3489 | AC_SUBST(target_configargs) |
ee2312f3 | 3490 | |
671aa708 NN |
3491 | |
3492 | # Build tools. | |
0999159b PB |
3493 | AC_SUBST(AR_FOR_BUILD) |
3494 | AC_SUBST(AS_FOR_BUILD) | |
671aa708 | 3495 | AC_SUBST(CC_FOR_BUILD) |
0999159b | 3496 | AC_SUBST(CFLAGS_FOR_BUILD) |
84401ce5 RP |
3497 | AC_SUBST(CPP_FOR_BUILD) |
3498 | AC_SUBST(CPPFLAGS_FOR_BUILD) | |
0999159b PB |
3499 | AC_SUBST(CXXFLAGS_FOR_BUILD) |
3500 | AC_SUBST(CXX_FOR_BUILD) | |
3501 | AC_SUBST(DLLTOOL_FOR_BUILD) | |
3b5e8ee4 | 3502 | AC_SUBST(DSYMUTIL_FOR_BUILD) |
0999159b | 3503 | AC_SUBST(GFORTRAN_FOR_BUILD) |
632e2a07 | 3504 | AC_SUBST(GOC_FOR_BUILD) |
b4c522fa | 3505 | AC_SUBST(GDC_FOR_BUILD) |
0999159b PB |
3506 | AC_SUBST(LDFLAGS_FOR_BUILD) |
3507 | AC_SUBST(LD_FOR_BUILD) | |
3508 | AC_SUBST(NM_FOR_BUILD) | |
3509 | AC_SUBST(RANLIB_FOR_BUILD) | |
3510 | AC_SUBST(WINDMC_FOR_BUILD) | |
3511 | AC_SUBST(WINDRES_FOR_BUILD) | |
671aa708 | 3512 | |
2abefe3d PB |
3513 | # Generate default definitions for YACC, M4, LEX and other programs that run |
3514 | # on the build machine. These are used if the Makefile can't locate these | |
3515 | # programs in objdir. | |
3516 | MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing | |
3517 | ||
3518 | AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) | |
3519 | case " $build_configdirs " in | |
3520 | *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; | |
2abefe3d PB |
3521 | esac |
3522 | ||
3523 | AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) | |
3524 | case " $build_configdirs " in | |
3525 | *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; | |
3526 | esac | |
3527 | ||
3528 | AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) | |
3529 | case " $build_configdirs " in | |
3530 | *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; | |
3531 | esac | |
3532 | ||
3533 | AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) | |
3534 | case " $build_configdirs " in | |
3535 | *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; | |
3536 | *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; | |
3537 | esac | |
3538 | ||
3539 | AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) | |
3540 | case " $build_configdirs " in | |
3541 | *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; | |
3542 | esac | |
3543 | ||
3544 | AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) | |
3545 | case " $build_configdirs " in | |
3546 | *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; | |
3547 | *) | |
3548 | changequote(,) | |
d18ff35a | 3549 | # For an installed makeinfo, we require it to be from texinfo 4.7 or |
2abefe3d PB |
3550 | # higher, else we use the "missing" dummy. |
3551 | if ${MAKEINFO} --version \ | |
d18ff35a | 3552 | | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then |
2abefe3d PB |
3553 | : |
3554 | else | |
3555 | MAKEINFO="$MISSING makeinfo" | |
3556 | fi | |
3557 | ;; | |
3558 | changequote([,]) | |
3559 | esac | |
3560 | ||
3561 | # FIXME: expect and dejagnu may become build tools? | |
3562 | ||
3563 | AC_CHECK_PROGS(EXPECT, expect, expect) | |
3564 | case " $configdirs " in | |
3565 | *" expect "*) | |
3566 | test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' | |
3567 | ;; | |
3568 | esac | |
3569 | ||
3570 | AC_CHECK_PROGS(RUNTEST, runtest, runtest) | |
3571 | case " $configdirs " in | |
3572 | *" dejagnu "*) | |
c394e891 | 3573 | test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' |
2abefe3d PB |
3574 | ;; |
3575 | esac | |
3576 | ||
3577 | ||
671aa708 | 3578 | # Host tools. |
2693c0b0 PB |
3579 | NCN_STRICT_CHECK_TOOLS(AR, ar) |
3580 | NCN_STRICT_CHECK_TOOLS(AS, as) | |
3581 | NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) | |
3b5e8ee4 | 3582 | NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil) |
2693c0b0 | 3583 | NCN_STRICT_CHECK_TOOLS(LD, ld) |
2abefe3d | 3584 | NCN_STRICT_CHECK_TOOLS(LIPO, lipo) |
2693c0b0 | 3585 | NCN_STRICT_CHECK_TOOLS(NM, nm) |
8927b7c0 RO |
3586 | NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) |
3587 | NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) | |
2693c0b0 | 3588 | NCN_STRICT_CHECK_TOOLS(WINDRES, windres) |
901119ae | 3589 | NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) |
2693c0b0 PB |
3590 | NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) |
3591 | NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) | |
e4a9a572 | 3592 | NCN_STRICT_CHECK_TOOLS(OTOOL, otool) |
e7a82751 | 3593 | NCN_STRICT_CHECK_TOOLS(READELF, readelf) |
671aa708 NN |
3594 | AC_SUBST(CC) |
3595 | AC_SUBST(CXX) | |
3596 | AC_SUBST(CFLAGS) | |
3597 | AC_SUBST(CXXFLAGS) | |
5fee5ec3 IB |
3598 | AC_SUBST(GDC) |
3599 | AC_SUBST(GDCFLAGS) | |
671aa708 | 3600 | |
2abefe3d | 3601 | # Target tools. |
e8b05380 | 3602 | AC_ARG_WITH([build-time-tools], |
33e39b66 AS |
3603 | [AS_HELP_STRING([--with-build-time-tools=PATH], |
3604 | [use given path to find target tools during the build])], | |
e8b05380 PB |
3605 | [case x"$withval" in |
3606 | x/*) ;; | |
3607 | *) | |
3608 | with_build_time_tools= | |
3609 | AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) | |
3610 | ;; | |
3611 | esac], | |
3612 | [with_build_time_tools=]) | |
3613 | ||
2693c0b0 PB |
3614 | NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) |
3615 | NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) | |
2693c0b0 | 3616 | NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) |
2693c0b0 | 3617 | NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) |
632e2a07 | 3618 | NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) |
b4c522fa | 3619 | NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc) |
e8b05380 PB |
3620 | |
3621 | ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) | |
3622 | ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) | |
3623 | ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) | |
3b5e8ee4 | 3624 | ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil) |
e8b05380 PB |
3625 | ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) |
3626 | ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) | |
3627 | ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) | |
9bccfdf5 | 3628 | ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) |
e8b05380 | 3629 | ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) |
e4a9a572 | 3630 | ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool) |
8927b7c0 | 3631 | ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) |
e7a82751 | 3632 | ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) |
e8b05380 PB |
3633 | ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) |
3634 | ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) | |
901119ae | 3635 | ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) |
4de997d1 | 3636 | |
2abefe3d PB |
3637 | RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" |
3638 | ||
3639 | GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) | |
3640 | GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) | |
3641 | GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) | |
b3f122e0 | 3642 | dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS |
2abefe3d | 3643 | GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, |
2077db1b | 3644 | [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], |
2abefe3d PB |
3645 | c++) |
3646 | GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, | |
2077db1b | 3647 | [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], |
2abefe3d PB |
3648 | c++) |
3649 | GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) | |
3b5e8ee4 | 3650 | GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL) |
2abefe3d | 3651 | GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) |
2abefe3d PB |
3652 | GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, |
3653 | [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) | |
632e2a07 ILT |
3654 | GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, |
3655 | [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) | |
b4c522fa IB |
3656 | GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC, |
3657 | [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d) | |
2abefe3d PB |
3658 | GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) |
3659 | GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) | |
3660 | GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) | |
ec8fd1c0 | 3661 | GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) |
2abefe3d | 3662 | GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) |
e4a9a572 | 3663 | GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL) |
2abefe3d | 3664 | GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) |
e7a82751 | 3665 | GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) |
455c8f48 | 3666 | GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) |
2abefe3d | 3667 | GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) |
901119ae | 3668 | GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) |
4de997d1 | 3669 | |
2abefe3d | 3670 | AC_SUBST(FLAGS_FOR_TARGET) |
4de997d1 | 3671 | AC_SUBST(RAW_CXX_FOR_TARGET) |
be912515 | 3672 | |
671aa708 NN |
3673 | # Certain tools may need extra flags. |
3674 | AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} | |
3675 | RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} | |
3676 | NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} | |
6599da04 | 3677 | |
2abefe3d PB |
3678 | # When building target libraries, except in a Canadian cross, we use |
3679 | # the same toolchain as the compiler we just built. | |
3680 | COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' | |
3681 | COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' | |
3682 | COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' | |
3683 | if test $host = $build; then | |
3684 | case " $configdirs " in | |
3685 | *" gcc "*) | |
3686 | COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' | |
3687 | COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' | |
3688 | COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} | |
3689 | ;; | |
3690 | esac | |
3691 | fi | |
3692 | ||
3693 | AC_SUBST(COMPILER_AS_FOR_TARGET) | |
3694 | AC_SUBST(COMPILER_LD_FOR_TARGET) | |
3695 | AC_SUBST(COMPILER_NM_FOR_TARGET) | |
3696 | ||
ee03dc5e AO |
3697 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) |
3698 | AC_ARG_ENABLE(maintainer-mode, | |
33e39b66 AS |
3699 | [AS_HELP_STRING([--enable-maintainer-mode], |
3700 | [enable make rules and dependencies not useful | |
3701 | (and sometimes confusing) to the casual installer])], | |
ee03dc5e AO |
3702 | USE_MAINTAINER_MODE=$enableval, |
3703 | USE_MAINTAINER_MODE=no) | |
3704 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
3705 | AC_SUBST(MAINTAINER_MODE_TRUE) | |
3706 | AC_SUBST(MAINTAINER_MODE_FALSE) | |
3707 | if test "$USE_MAINTAINER_MODE" = yes; then | |
3708 | MAINTAINER_MODE_TRUE= | |
3709 | MAINTAINER_MODE_FALSE='#' | |
3710 | else | |
3711 | MAINTAINER_MODE_TRUE='#' | |
3712 | MAINTAINER_MODE_FALSE= | |
3713 | fi | |
3714 | MAINT=$MAINTAINER_MODE_TRUE | |
3715 | AC_SUBST(MAINT)dnl | |
3716 | ||
2805b53a NN |
3717 | # --------------------- |
3718 | # GCC bootstrap support | |
3719 | # --------------------- | |
3720 | ||
3721 | # Stage specific cflags for build. | |
3722 | stage1_cflags="-g" | |
3723 | case $build in | |
3724 | vax-*-*) | |
3725 | case ${GCC} in | |
3726 | yes) stage1_cflags="-g -Wa,-J" ;; | |
3727 | *) stage1_cflags="-g -J" ;; | |
3728 | esac ;; | |
2805b53a | 3729 | esac |
0b50988a | 3730 | |
2805b53a NN |
3731 | AC_SUBST(stage1_cflags) |
3732 | ||
8efea775 PB |
3733 | # Enable --enable-checking in stage1 of the compiler. |
3734 | AC_ARG_ENABLE(stage1-checking, | |
33e39b66 AS |
3735 | [AS_HELP_STRING([[--enable-stage1-checking[=all]]], |
3736 | [choose additional checking for stage1 of the compiler])], | |
8efea775 | 3737 | [stage1_checking=--enable-checking=${enable_stage1_checking}], |
e643dc23 | 3738 | [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then |
c10b5ea0 JJ |
3739 | # For --disable-checking or implicit --enable-checking=release, avoid |
3740 | # setting --enable-checking=gc in the default stage1 checking for LTO | |
3741 | # bootstraps. See PR62077. | |
c10b5ea0 JJ |
3742 | case $BUILD_CONFIG in |
3743 | *lto*) | |
7db11a5a JJ |
3744 | stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; |
3745 | *) | |
3746 | stage1_checking=--enable-checking=yes,types;; | |
c10b5ea0 | 3747 | esac |
7db11a5a JJ |
3748 | if test "x$enable_checking" = x && \ |
3749 | test -d ${srcdir}/gcc && \ | |
3750 | test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then | |
c100769b | 3751 | stage1_checking=--enable-checking=yes,types,extra |
7db11a5a | 3752 | fi |
8efea775 | 3753 | else |
e643dc23 | 3754 | stage1_checking=--enable-checking=$enable_checking,types |
8efea775 PB |
3755 | fi]) |
3756 | AC_SUBST(stage1_checking) | |
3757 | ||
2805b53a | 3758 | # Enable -Werror in bootstrap stage2 and later. |
2805b53a | 3759 | AC_ARG_ENABLE(werror, |
33e39b66 | 3760 | [AS_HELP_STRING([--enable-werror], |
afd88efc ML |
3761 | [enable -Werror in bootstrap stage2 and later])], |
3762 | [ | |
09a9c095 NN |
3763 | case ${enable_werror} in |
3764 | yes) stage2_werror_flag="--enable-werror-always" ;; | |
3765 | *) stage2_werror_flag="" ;; | |
2805b53a | 3766 | esac |
afd88efc ML |
3767 | ], |
3768 | [ | |
01c712cb ML |
3769 | if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then |
3770 | case $BUILD_CONFIG in | |
3771 | bootstrap-debug) | |
3772 | stage2_werror_flag="--enable-werror-always" ;; | |
3773 | "") | |
3774 | stage2_werror_flag="--enable-werror-always" ;; | |
3775 | esac | |
3776 | fi | |
afd88efc | 3777 | ]) |
01c712cb | 3778 | |
09a9c095 | 3779 | AC_SUBST(stage2_werror_flag) |
2805b53a | 3780 | |
f2689b09 SE |
3781 | # Specify what files to not compare during bootstrap. |
3782 | ||
3783 | compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" | |
3784 | case "$target" in | |
3785 | hppa*64*-*-hpux*) ;; | |
4f943869 MK |
3786 | hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;; |
3787 | powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;; | |
f2689b09 SE |
3788 | esac |
3789 | AC_SUBST(compare_exclusions) | |
3790 | ||
3e54529c RW |
3791 | AC_CONFIG_FILES([Makefile], |
3792 | [sed "$extrasub_build" Makefile | | |
3793 | sed "$extrasub_host" | | |
3794 | sed "$extrasub_target" > mf$$ | |
3795 | mv -f mf$$ Makefile], | |
3796 | [extrasub_build="$extrasub_build" | |
3797 | extrasub_host="$extrasub_host" | |
3798 | extrasub_target="$extrasub_target"]) | |
3799 | AC_OUTPUT |