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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,
98e5be21 3# 2014, 2015, 2016, 2019 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		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
38d24731 24m4_include(config/proginstall.m4)
7413962d 25m4_include(config/elf.m4)
ffac9597 26m4_include(config/ax_cxx_compile_stdcxx.m4)
592c90ff
KG		 27m4_include([libtool.m4])
28m4_include([ltoptions.m4])
29m4_include([ltsugar.m4])
30m4_include([ltversion.m4])
31m4_include([lt~obsolete.m4])
33ad93b9 32m4_include([config/isl.m4])
ad6717df 33
671aa708 34AC_INIT(move-if-change)
0115d4a3 35AC_DISABLE_OPTION_CHECKING
1c710c3c 36
ad33ff57
RW		 37progname=$0
38# if PWD already has a value, it is probably wrong.
39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40
41# Export original configure arguments for use by sub-configures.
42# Quote arguments with shell meta charatcers.
43TOPLEVEL_CONFIGURE_ARGUMENTS=
44set -- "$progname" "$@"
45for ac_arg
46do
47 case "$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 $ac_arg"
56done
57if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59fi
60# Remove the initial space we just introduced and, as these will be
61# expanded by make, quote '$'.
62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64
1c710c3c
DJ		 65# Find the build, host, and target systems.
66ACX_NONCANONICAL_BUILD
67ACX_NONCANONICAL_HOST
68ACX_NONCANONICAL_TARGET
69
70dnl Autoconf 2.5x and later will set a default program prefix if
71dnl --target was used, even if it was the same as --host. Disable
72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73dnl to take effect.
74test "$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		 79AC_CANONICAL_SYSTEM
80AC_ARG_PROGRAM
81
1c710c3c 82m4_pattern_allow([^AS_FOR_TARGET$])dnl
0999159b 83m4_pattern_allow([^AS_FOR_BUILD$])dnl
1c710c3c 84
775956d0
NN		 85# Get 'install' or 'install-sh' and its variants.
86AC_PROG_INSTALL
ad6717df 87ACX_PROG_LN
148907ea 88AC_PROG_LN_S
87264276
PB		 89AC_PROG_SED
90AC_PROG_AWK
775956d0 91
fc45f3fe
DJ		 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93
94# We pass INSTALL explicitly to sub-makes. Make sure that it is not
95# a relative path.
96if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
98fi
99
671aa708
NN		 100# Set srcdir to "." if that's what it is.
101# This is important for multilib support.
102pwd=`${PWDCMD-pwd}`
671aa708
NN		 103if test "${pwd}" = "${srcpwd}" ; then
104 srcdir=.
105fi
106
107topsrcdir=$srcpwd
6599da04 108
4977bab6 109extra_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 128build_libs="build-libiberty build-libcpp"
23f6b2f9
PB		 129
130# these tools are built for the build environment
85bfb75e 131build_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 135host_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 143host_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 148target_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 175target_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 184configdirs=`echo ${host_libs} ${host_tools}`
4dbda6f0 185target_configdirs=`echo ${target_libraries} ${target_tools}`
71b5d516 186build_configdirs=`echo ${build_libs} ${build_tools}`
8b87bb96 187
ac9e6043 188m4_divert_text([PARSE_ARGS],
87841584
AM		 189[case $srcdir in
190 *" "*)
191m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193m4_popdef([AS_MESSAGE_LOG_FD])dnl
194 ;;
195esac
196ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
ac9e6043
RW		 197])
198
6599da04
JM		 199################################################################################
200
6599da04
JM		 201srcname="gnu development package"
202
203# This gets set non-empty for some net releases of packages.
204appdirs=""
205
e1848dde
NN		 206# Define is_cross_compiler to save on calls to 'test'.
207is_cross_compiler=
208if test x"${host}" = x"${target}" ; then
209 is_cross_compiler=no
210else
211 is_cross_compiler=yes
212fi
213
b4acb5ef 214# Find the build and target subdir names.
8b87bb96 215GCC_TOPLEV_SUBDIRS
0db770bd
RW		 216# Be sure to cover against remnants of an in-tree build.
217if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219Use a pristine source tree when building in a separate tree])
220fi
f653f0ab 221
55380b08
NN		 222# Skipdirs are removed silently.
223skipdirs=
224# Noconfigdirs are removed loudly.
225noconfigdirs=""
6599da04 226
55380b08
NN		 227use_gnu_ld=
228# Make sure we don't let GNU ld be added if we didn't want it.
229if test x$with_gnu_ld = xno ; then
230 use_gnu_ld=no
5afab7ad 231 noconfigdirs="$noconfigdirs ld gold"
6599da04
JM		 232fi
233
55380b08
NN		 234use_gnu_as=
235# Make sure we don't let GNU as be added if we didn't want it.
236if test x$with_gnu_as = xno ; then
237 use_gnu_as=no
238 noconfigdirs="$noconfigdirs gas"
6599da04
JM		 239fi
240
d7f09764 241use_included_zlib=
a05c2c75
L		 242AC_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.
245if test x$with_system_zlib = xyes ; then
246 use_included_zlib=no
247 noconfigdirs="$noconfigdirs zlib"
248fi
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		 253case ${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 ;;
261esac
6599da04 262
1bcce263 263# Some are only suitable for cross toolchains.
95ddd785
NN		 264# Remove these if host=target.
265cross_only="target-libgloss target-newlib target-opcodes"
6599da04 266
55380b08
NN		 267case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
55380b08 269esac
6599da04 270
0c639b89
DD		 271# If both --with-headers and --with-libs are specified, default to
272# --without-newlib.
9082a750
MR		 273if 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
278fi
279
280# Recognize --with-newlib/--without-newlib.
281case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284esac
285
85c64bbe
BS		 286AC_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
291AC_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		 302AC_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
328default_ld=
5afab7ad 329AC_ARG_ENABLE(gold,
33e39b66
AS		 330[AS_HELP_STRING([[--enable-gold[=ARG]]],
331 [build gold @<:@ARG={default,yes,no}@:>@])],
5afab7ad
ILT		 332ENABLE_GOLD=$enableval,
333ENABLE_GOLD=no)
21539e2e
MK		 334case "${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*-*-* \
1b858e76 356 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
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		 371esac
372
373AC_ARG_ENABLE(ld,
33e39b66
AS		 374[AS_HELP_STRING([[--enable-ld[=ARG]]],
375 [build ld @<:@ARG={default,yes,no}@:>@])],
21539e2e
MK		 376ENABLE_LD=$enableval,
377ENABLE_LD=yes)
378
379case "${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 ;;
396esac
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.
401AC_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
413case "${host}" in
55380b08 414 *-cygwin*)
4977bab6 415 configdirs="$configdirs libtermcap" ;;
6599da04
JM		 416esac
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.
420unsupported_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 426case "${host}" in
111eeb6e 427 i[[3456789]]86-*-msdosdjgpp*)
c9bdb152 428 noconfigdirs="$noconfigdirs tcl tk itcl"
5d4a5ee6 429 ;;
6599da04
JM		 430esac
431
6de9cd9a 432
87e6d9dc
TB		 433AC_ARG_ENABLE(libquadmath,
434AS_HELP_STRING([--disable-libquadmath],
435 [do not build libquadmath directory]),
436ENABLE_LIBQUADMATH=$enableval,
437ENABLE_LIBQUADMATH=yes)
438if test "${ENABLE_LIBQUADMATH}" = "no" ; then
439 noconfigdirs="$noconfigdirs target-libquadmath"
440fi
441
442
443AC_ARG_ENABLE(libquadmath-support,
444AS_HELP_STRING([--disable-libquadmath-support],
445 [disable libquadmath support for Fortran]),
446ENABLE_LIBQUADMATH_SUPPORT=$enableval,
447ENABLE_LIBQUADMATH_SUPPORT=yes)
448enable_libquadmath_support=
449if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
450 enable_libquadmath_support=no
451fi
452
453
d9cdb878 454AC_ARG_ENABLE(libada,
33e39b66 455[AS_HELP_STRING([--enable-libada], [build libada directory])],
d9cdb878
AC		 456ENABLE_LIBADA=$enableval,
457ENABLE_LIBADA=yes)
458if test "${ENABLE_LIBADA}" != "yes" ; then
5395b47b 459 noconfigdirs="$noconfigdirs gnattools"
d9cdb878
AC		 460fi
461
ef0087a7 462AC_ARG_ENABLE(libssp,
33e39b66 463[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ef0087a7
KH		 464ENABLE_LIBSSP=$enableval,
465ENABLE_LIBSSP=yes)
ef0087a7 466
2588b26e
RM		 467AC_ARG_ENABLE(libstdcxx,
468AS_HELP_STRING([--disable-libstdcxx],
469 [do not build libstdc++-v3 directory]),
470ENABLE_LIBSTDCXX=$enableval,
471ENABLE_LIBSTDCXX=default)
472[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1007a55c 473 noconfigdirs="$noconfigdirs target-libstdc++-v3"
2588b26e
RM		 474fi]
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.
480AC_ARG_ENABLE([liboffloadmic],
481AC_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]) ;;
488esac],
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
499else
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
509fi])
510AC_SUBST(extra_liboffloadmic_configure_flags)
511
44a7d18d 512# Enable libgomp by default on hosted POSIX systems, and a few others.
27079765 513if 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 529fi
953ff289 530
48310492
RH		 531# Disable libatomic on unsupported systems.
532if 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
545fi
546
5f520819
KY		 547# Disable liboffloadmic on unsupported systems.
548if 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
561fi
562
e948157d
RH		 563# Disable libitm on unsupported systems.
564if 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		 577fi
578
93bf5390
RH		 579# Disable libsanitizer on unsupported systems.
580if 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
593fi
594
2077db1b
CT		 595# Disable libvtv on unsupported systems.
596if 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
609fi
610
d7a29167
DE		 611# Disable libquadmath for some systems.
612case "${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 ;;
621esac
622
1e9e0e23
JM		 623# Disable libssp for some systems.
624case "${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		 649esac
650
1e9e0e23 651# Disable libstdc++-v3 for some systems.
2588b26e
RM		 652# Allow user to override this if they pass --enable-libstdc++-v3
653if 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
677fi
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++.
681case ,${enable_languages}, in
682 *,c++,*)
683 ;;
684 *)
685 case "${target}" in
686 bpf-*-*)
687 unsupported_languages="$unsupported_languages c++"
688 ;;
689 esac
690 ;;
691esac
692
693# Disable Objc on systems where it is known to not work.
694# For testing, you can override this with --enable-languages=objc.
695case ,${enable_languages}, in
696 *,objc,*)
697 ;;
698 *)
699 case "${target}" in
700 bpf-*-*)
701 unsupported_languages="$unsupported_languages objc"
702 ;;
703 esac
704 ;;
705esac
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.
709case ,${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 ;;
719esac
720
721# Disable libphobos on unsupported systems.
722# For testing, you can override this with --enable-libphobos.
723if 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
736fi
737
1e9e0e23
JM		 738# Disable Fortran for some systems.
739case "${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		 747esac
748
012447ea
JJ		 749# Disable libffi for some systems.
750case "${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 ;;
837esac
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.
841case "${target}" in
91dfef96 842*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
012447ea
JJ		 843 unsupported_languages="$unsupported_languages go"
844 ;;
845esac
846
f9d09df0
TT		 847# Only allow gdbserver on some systems.
848if 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
861fi
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.
865if 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
878fi
879
c03353e2
RIL		 880# Default libgloss CPU subdirectory.
881libgloss_dir="$target_cpu"
6de9cd9a 882
fbcf0dca
JM		 883case "${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 ;;
902 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
903 libgloss_dir=m68hc11
904 ;;
905 m68*-*-* | fido-*-*)
906 libgloss_dir=m68k
907 ;;
908 mips*-*-*)
909 libgloss_dir=mips
910 ;;
911 powerpc*-*-*)
912 libgloss_dir=rs6000
913 ;;
8d2af3a2
DD		 914 pru-*-*)
915 libgloss_dir=pru
916 ;;
fbcf0dca
JM		 917 sparc*-*-*)
918 libgloss_dir=sparc
919 ;;
920esac
921
6a789d5e 922# Disable newlib and libgloss for various target OSes.
6599da04 923case "${target}" in
6a789d5e
JM		 924 alpha*-dec-osf*)
925 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
926 ;;
927 i[[3456789]]86-*-linux*)
928 # This section makes it possible to build newlib natively on linux.
929 # If we are using a cross compiler then don't configure newlib.
930 if test x${is_cross_compiler} != xno ; then
931 noconfigdirs="$noconfigdirs target-newlib"
932 fi
933 noconfigdirs="$noconfigdirs target-libgloss"
934 # If we are not using a cross compiler, do configure newlib.
935 # Note however, that newlib will only be configured in this situation
936 # if the --with-newlib option has been given, because otherwise
937 # 'target-newlib' will appear in skipdirs.
938 ;;
939 i[[3456789]]86-*-rdos*)
940 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
941 ;;
942 sh*-*-pe|mips*-*-pe|arm-wince-pe)
943 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
944 ;;
945 sparc-*-sunos4*)
946 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
947 ;;
91dfef96
JM		 948 bpf-*-*)
949 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
950 ;;
6a789d5e
JM		 951 *-*-aix*)
952 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
953 ;;
954 *-*-beos*)
955 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 ;;
3fa03ff9 957 *-*-chorusos)
0036370f 958 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
3fa03ff9 959 ;;
6a789d5e
JM		 960 *-*-dragonfly*)
961 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
962 ;;
963 *-*-freebsd*)
964 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
965 ;;
966 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
967 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
968 ;;
969 *-*-lynxos*)
970 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 ;;
972 *-*-mingw*)
973 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
974 ;;
975 *-*-netbsd*)
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 ;;
978 *-*-netware*)
979 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
980 ;;
981 *-*-tpf*)
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
983 ;;
984 *-*-uclinux*)
985 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 ;;
987 *-*-vxworks*)
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
989 ;;
990esac
991
992case "${target}" in
993 *-*-chorusos)
994 ;;
3be96231
TG		 995 aarch64-*-darwin*)
996 noconfigdirs="$noconfigdirs ld gas gdb gprof"
997 noconfigdirs="$noconfigdirs sim target-rda"
998 ;;
7431c1a1
AS		 999 amdgcn*-*-*)
1000 ;;
3be96231
TG		 1001 arm-*-darwin*)
1002 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1003 noconfigdirs="$noconfigdirs sim target-rda"
1004 ;;
75eeae1a 1005 powerpc-*-darwin*)
e1514c3f 1006 noconfigdirs="$noconfigdirs ld gas gdb gprof"
9c8f9ec2 1007 noconfigdirs="$noconfigdirs sim target-rda"
940cde4d 1008 ;;
354ebf88
RW		 1009 i[[3456789]]86-*-darwin*)
1010 noconfigdirs="$noconfigdirs ld gprof"
1011 noconfigdirs="$noconfigdirs sim target-rda"
1012 ;;
1013 x86_64-*-darwin[[912]]*)
0db3a858
TG		 1014 noconfigdirs="$noconfigdirs ld gas gprof"
1015 noconfigdirs="$noconfigdirs sim target-rda"
1016 ;;
42c1cd8a
AT		 1017 *-*-darwin*)
1018 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1019 noconfigdirs="$noconfigdirs sim target-rda"
42c1cd8a 1020 ;;
8c6d158a 1021 *-*-dragonfly*)
8c6d158a 1022 ;;
c3f84f61 1023 *-*-freebsd*)
6de9cd9a 1024 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
c0d0a722 1025 && ! test -d ${srcdir}/gmp \
6de9cd9a
DN		 1026 && test -f /usr/local/include/gmp.h; then
1027 with_gmp=/usr/local
1028 fi
6de9cd9a 1029 ;;
ef4e7569
US		 1030 *-*-kaos*)
1031 # Remove unsupported stuff on all kaOS configurations.
ef4e7569
US		 1032 noconfigdirs="$noconfigdirs target-libgloss"
1033 ;;
51584787 1034 *-*-netbsd*)
51584787 1035 ;;
61fec9ff 1036 *-*-netware*)
6599da04 1037 ;;
fd6487af
JS		 1038 *-*-phoenix*)
1039 noconfigdirs="$noconfigdirs target-libgloss"
1040 ;;
3fbc0b70 1041 *-*-rtems*)
2909494b 1042 noconfigdirs="$noconfigdirs target-libgloss"
3fbc0b70 1043 ;;
a8ba31f2
EC		 1044 # The tpf target doesn't support gdb yet.
1045 *-*-tpf*)
6a789d5e 1046 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
a8ba31f2 1047 ;;
5785c0ed 1048 *-*-uclinux*)
6a789d5e 1049 noconfigdirs="$noconfigdirs target-rda"
5785c0ed 1050 ;;
6599da04 1051 *-*-vxworks*)
6599da04 1052 ;;
b104e095 1053 alpha*-dec-osf*)
603606e7 1054 # ld works, but does not support shared libraries.
6599da04 1055 # gas doesn't generate exception information.
6a789d5e 1056 noconfigdirs="$noconfigdirs gas ld"
6599da04
JM		 1057 ;;
1058 alpha*-*-*vms*)
2909494b 1059 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
6599da04
JM		 1060 ;;
1061 alpha*-*-*)
1062 # newlib is not 64 bit ready
2909494b 1063 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1064 ;;
91dfef96
JM		 1065 bpf-*-*)
1066 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
1067 ;;
3a685f6f 1068 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
b4f96efe 1069 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
3a685f6f 1070 ;;
2fd88f4f
AK		 1071 arc*-*-*)
1072 noconfigdirs="$noconfigdirs sim"
1073 ;;
6599da04 1074 arm-*-pe*)
2909494b 1075 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1076 ;;
5d4a5ee6 1077 arm-*-riscix*)
0036370f 1078 noconfigdirs="$noconfigdirs ld target-libgloss"
5d4a5ee6 1079 ;;
b588ae30
GJL		 1080 avr-*-*)
1081 if test x${with_avrlibc} != xno; then
1082 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1083 fi
1084 ;;
a5a438f5 1085 c4x-*-* | tic4x-*-*)
0036370f 1086 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1087 ;;
0036370f
JM		 1088 tic54x-*-*)
1089 noconfigdirs="$noconfigdirs target-libgloss gdb"
ab50d72b 1090 ;;
6599da04 1091 d10v-*-*)
0036370f 1092 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef
JM		 1093 ;;
1094 d30v-*-*)
0036370f 1095 noconfigdirs="$noconfigdirs gdb"
6599da04 1096 ;;
09b5f8bf 1097 fr30-*-elf*)
2909494b 1098 noconfigdirs="$noconfigdirs gdb"
09b5f8bf 1099 ;;
a05c2c75
L		 1100 ft32-*-*)
1101 noconfigdirs="$noconfigdirs target-rda gprof"
1102 ;;
55f2d967 1103 moxie-*-*)
a05c2c75 1104 noconfigdirs="$noconfigdirs"
55f2d967 1105 ;;
ab50d72b 1106 h8300*-*-*)
2909494b 1107 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1108 ;;
6599da04 1109 h8500-*-*)
0036370f 1110 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1111 ;;
9d069a4f 1112 hppa1.1-*-osf* | hppa1.1-*-bsd* )
9d069a4f 1113 ;;
a05c2c75
L		 1114 hppa*64*-*-hpux*)
1115 noconfigdirs="$noconfigdirs gdb"
1116 ;;
1117 hppa*-*-hpux11*)
1118 noconfigdirs="$noconfigdirs gdb ld"
1119 ;;
4569f85e 1120 hppa*64*-*-linux*)
cdbff0ab 1121 ;;
56f8587a 1122 hppa*-*-linux*)
3e732ba0 1123 ;;
6599da04 1124 hppa*-*-*elf* | \
bae29210 1125 hppa*-*-lites* | \
66350331 1126 hppa*-*-openbsd* | \
bae29210 1127 hppa*64*-*-*)
6599da04 1128 ;;
c03353e2 1129 hppa*-*-pro*)
c03353e2 1130 ;;
6599da04 1131 hppa*-*-*)
2909494b 1132 noconfigdirs="$noconfigdirs ld"
d207ebef 1133 ;;
fb87ad5d 1134 i960-*-*)
0036370f 1135 noconfigdirs="$noconfigdirs gdb"
fb87ad5d 1136 ;;
d207ebef
JM		 1137 ia64*-*-elf*)
1138 # No gdb support yet.
1bcce263 1139 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
d207ebef 1140 ;;
ab50d72b 1141 ia64*-**-hpux*)
5a2931d1 1142 # No ld support yet.
a05c2c75 1143 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
ab50d72b 1144 ;;
52535a64 1145 ia64*-*-*vms*)
091fe9ca
TG		 1146 # No ld support yet.
1147 noconfigdirs="$noconfigdirs libgui itcl ld"
52535a64 1148 ;;
ef4c4300 1149 i[[3456789]]86-w64-mingw*)
ef4c4300
KT		 1150 ;;
1151 i[[3456789]]86-*-mingw*)
b91f0a41 1152 target_configdirs="$target_configdirs target-winsup"
5d571eaa 1153 ;;
d207ebef
JM		 1154 *-*-cygwin*)
1155 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1bcce263 1156 noconfigdirs="$noconfigdirs target-libgloss"
801e2270 1157 # always build newlib if winsup directory is present.
b91f0a41 1158 if test -d "$srcdir/winsup/cygwin"; then
801e2270 1159 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
c8e6cd41 1160 elif test -d "$srcdir/newlib"; then
b91f0a41 1161 echo "Warning: winsup/cygwin is missing so newlib can't be built."
801e2270 1162 fi
5d571eaa 1163 ;;
f2a0e225 1164 i[[3456789]]86-*-pe)
ebb9f8b0 1165 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1166 ;;
f2a0e225 1167 i[[3456789]]86-*-sco3.2v5*)
6599da04
JM		 1168 # The linker does not yet know about weak symbols in COFF,
1169 # and is not configured to handle mixed ELF and COFF.
0036370f 1170 noconfigdirs="$noconfigdirs ld target-libgloss"
6599da04 1171 ;;
f2a0e225 1172 i[[3456789]]86-*-sco*)
0036370f 1173 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1174 ;;
fbdd5d87 1175 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
7c01b2b5 1176 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1177 ;;
f2a0e225 1178 i[[3456789]]86-*-sysv4*)
0036370f 1179 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1180 ;;
f2a0e225 1181 i[[3456789]]86-*-beos*)
6a789d5e 1182 noconfigdirs="$noconfigdirs gdb"
3aa83176 1183 ;;
d1f8db0c 1184 i[[3456789]]86-*-rdos*)
6a789d5e 1185 noconfigdirs="$noconfigdirs gdb"
c03353e2 1186 ;;
d344dce9 1187 mmix-*-*)
2909494b 1188 noconfigdirs="$noconfigdirs gdb"
d344dce9 1189 ;;
ab34901f 1190 mt-*-*)
79dd769c
AH		 1191 noconfigdirs="$noconfigdirs sim"
1192 ;;
58b40a67
FT		 1193 nfp-*-*)
1194 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1195 noconfigdirs="$noconfigdirs $target_libraries"
1196 ;;
e6cbe965
SC		 1197 pdp11-*-*)
1198 noconfigdirs="$noconfigdirs gdb gprof"
1199 ;;
6599da04
JM		 1200 powerpc-*-aix*)
1201 # copied from rs6000-*-* entry
6a789d5e 1202 noconfigdirs="$noconfigdirs gprof"
6599da04 1203 ;;
4569f85e 1204 powerpc*-*-winnt* | powerpc*-*-pe*)
6599da04 1205 target_configdirs="$target_configdirs target-winsup"
0036370f 1206 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
6599da04
JM		 1207 # always build newlib.
1208 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1209 ;;
1210 # This is temporary until we can link against shared libraries
1211 powerpcle-*-solaris*)
0036370f 1212 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
6599da04 1213 ;;
0da3b5a7 1214 powerpc-*-beos*)
6a789d5e 1215 noconfigdirs="$noconfigdirs gdb"
d207ebef 1216 ;;
6599da04 1217 rs6000-*-lynxos*)
6a789d5e 1218 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1219 ;;
1220 rs6000-*-aix*)
6a789d5e 1221 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1222 ;;
1223 rs6000-*-*)
2909494b 1224 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1225 ;;
1226 m68k-apollo-*)
0036370f 1227 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
6599da04 1228 ;;
ca9fe997 1229 microblaze*)
2909494b 1230 noconfigdirs="$noconfigdirs gprof"
ca9fe997 1231 ;;
74ae587e 1232 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
d9dced13
RS		 1233 if test x$with_newlib = xyes; then
1234 noconfigdirs="$noconfigdirs gprof"
1235 fi
d9dced13 1236 ;;
6599da04 1237 mips*-*-irix5*)
0036370f 1238 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04
JM		 1239 ;;
1240 mips*-*-irix6*)
2909494b 1241 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1242 ;;
6599da04 1243 mips*-*-bsd*)
bc98bcc4 1244 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
6599da04 1245 ;;
9bec4bf0 1246 mips*-*-linux*)
9bec4bf0 1247 ;;
bc98bcc4
JBG		 1248 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1249 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1250 noconfigdirs="$noconfigdirs ld gas gprof"
1251 ;;
6599da04 1252 mips*-*-*)
2909494b 1253 noconfigdirs="$noconfigdirs gprof"
6599da04 1254 ;;
738f2522 1255 nvptx*-*-*)
738f2522
BS		 1256 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1257 ;;
bc6d9014 1258 sh-*-*)
ea2002ba
CB		 1259 case "${target}" in
1260 sh*-*-elf)
2909494b 1261 ;;
ea2002ba 1262 *)
2909494b 1263 noconfigdirs="$noconfigdirs target-libgloss" ;;
ea2002ba 1264 esac
6599da04
JM		 1265 ;;
1266 sparc-*-sunos4*)
6a789d5e 1267 if test x${is_cross_compiler} = xno ; then
6599da04
JM		 1268 use_gnu_ld=no
1269 fi
1270 ;;
b42f0d7e 1271 tic6x-*-*)
0d557ff8 1272 noconfigdirs="$noconfigdirs sim"
b42f0d7e 1273 ;;
341c653c 1274 tilepro*-*-* | tilegx*-*-*)
db1d217c
WL		 1275 noconfigdirs="$noconfigdirs sim"
1276 ;;
6599da04 1277 v810-*-*)
0036370f 1278 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
6599da04
JM		 1279 ;;
1280 vax-*-*)
2909494b 1281 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1282 ;;
1fc1d82e
MR		 1283 wasm32-*-*)
1284 noconfigdirs="$noconfigdirs ld"
1285 ;;
6599da04
JM		 1286esac
1287
6599da04
JM		 1288# If we aren't building newlib, then don't build libgloss, since libgloss
1289# depends upon some newlib header files.
1290case "${noconfigdirs}" in
1291 *target-libgloss*) ;;
1292 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
55380b08 1293esac
6599da04 1294
55380b08 1295# Work in distributions that contain no compiler tools, like Autoconf.
671aa708 1296host_makefile_frag=/dev/null
55380b08
NN		 1297if test -d ${srcdir}/config ; then
1298case "${host}" in
f2a0e225 1299 i[[3456789]]86-*-msdosdjgpp*)
55380b08
NN		 1300 host_makefile_frag="config/mh-djgpp"
1301 ;;
1302 *-cygwin*)
2a79c47f 1303 ACX_CHECK_CYGWIN_CAT_WORKS
55380b08
NN		 1304 host_makefile_frag="config/mh-cygwin"
1305 ;;
c53a18d3 1306 *-mingw*)
1f5a6b84 1307 host_makefile_frag="config/mh-mingw"
738a52d3 1308 ;;
cabb9d59 1309 alpha*-linux*)
13be44ed
UB		 1310 host_makefile_frag="config/mh-alpha-linux"
1311 ;;
00afcaa0 1312 hppa*-hp-hpux10*)
00afcaa0 1313 host_makefile_frag="config/mh-pa-hpux10"
55380b08 1314 ;;
111eeb6e 1315 hppa*-hp-hpux*)
00afcaa0
PB		 1316 host_makefile_frag="config/mh-pa"
1317 ;;
1318 hppa*-*)
1319 host_makefile_frag="config/mh-pa"
1320 ;;
d8ed14ce
IS		 1321 *-*-darwin*)
1322 host_makefile_frag="config/mh-darwin"
be8fff81 1323 ;;
d19bca38
PB		 1324 powerpc-*-aix*)
1325 host_makefile_frag="config/mh-ppc-aix"
1326 ;;
1327 rs6000-*-aix*)
1328 host_makefile_frag="config/mh-ppc-aix"
1329 ;;
55380b08
NN		 1330esac
1331fi
1332
e4c9c075 1333if test "${build}" != "${host}" ; then
0999159b
PB		 1334 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1335 AS_FOR_BUILD=${AS_FOR_BUILD-as}
e4c9c075 1336 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
0999159b 1337 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
0999159b 1338 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
632e2a07 1339 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b4c522fa 1340 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
0999159b
PB		 1341 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1342 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1343 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1344 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1345 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1346 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
e4c9c075 1347else
0999159b
PB		 1348 AR_FOR_BUILD="\$(AR)"
1349 AS_FOR_BUILD="\$(AS)"
e4c9c075 1350 CC_FOR_BUILD="\$(CC)"
0999159b 1351 CXX_FOR_BUILD="\$(CXX)"
0999159b 1352 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
632e2a07 1353 GOC_FOR_BUILD="\$(GOC)"
b4c522fa 1354 GDC_FOR_BUILD="\$(GDC)"
0999159b
PB		 1355 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1356 LD_FOR_BUILD="\$(LD)"
1357 NM_FOR_BUILD="\$(NM)"
1358 RANLIB_FOR_BUILD="\$(RANLIB)"
1359 WINDRES_FOR_BUILD="\$(WINDRES)"
1360 WINDMC_FOR_BUILD="\$(WINDMC)"
c3a86da9 1361fi
e4c9c075 1362
91743432 1363AC_PROG_CC_C99
c3a86da9
DJ		 1364AC_PROG_CXX
1365
1366# We must set the default linker to the linker used by gcc for the correct
1367# operation of libtool. If LD is not defined and we are using gcc, try to
1368# set the LD default to the ld used by gcc.
1369if test -z "$LD"; then
1370 if test "$GCC" = yes; then
1371 case $build in
1372 *-*-mingw*)
1373 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1374 *)
1375 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1376 esac
1377 case $gcc_prog_ld in
1378 # Accept absolute paths.
1379 [[\\/]* | [A-Za-z]:[\\/]*)]
1380 LD="$gcc_prog_ld" ;;
1381 esac
1382 fi
e4c9c075
PB		 1383fi
1384
0b21f5d3
EB		 1385# Check whether -static-libstdc++ -static-libgcc is supported.
1386have_static_libs=no
1387if test "$GCC" = yes; then
1388 saved_LDFLAGS="$LDFLAGS"
1389
1390 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1391 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1392 AC_LANG_PUSH(C++)
22e05272 1393 AC_LINK_IFELSE([AC_LANG_SOURCE([
0d6414b2
EB		 1394#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1395#error -static-libstdc++ not implemented
1396#endif
22e05272 1397int main() {}])],
0b21f5d3
EB		 1398 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1399 [AC_MSG_RESULT([no])])
1400 AC_LANG_POP(C++)
1401
1402 LDFLAGS="$saved_LDFLAGS"
1403fi
1404
e4c9c075 1405ACX_PROG_GNAT
a76494aa 1406ACX_PROG_CMP_IGNORE_INITIAL
e4c9c075 1407
ff3ac0f4
ILT		 1408AC_ARG_ENABLE([bootstrap],
1409[AS_HELP_STRING([--enable-bootstrap],
1410 [enable bootstrapping @<:@yes if native build@:>@])],,
1411enable_bootstrap=default)
1412
1413# Issue errors and warnings for invalid/strange bootstrap combinations.
bf03b9ff
ILT		 1414if test -r $srcdir/gcc/configure; then
1415 have_compiler=yes
1416else
1417 have_compiler=no
1418fi
ff3ac0f4
ILT		 1419
1420case "$have_compiler:$host:$target:$enable_bootstrap" in
1421 *:*:*:no) ;;
1422
1423 # Default behavior. Enable bootstrap if we have a compiler
1424 # and we are in a native configuration.
1425 yes:$build:$build:default)
1426 enable_bootstrap=yes ;;
1427
1428 *:*:*:default)
1429 enable_bootstrap=no ;;
1430
1431 # We have a compiler and we are in a native configuration, bootstrap is ok
1432 yes:$build:$build:yes)
1433 ;;
1434
1435 # Other configurations, but we have a compiler. Assume the user knows
1436 # what he's doing.
1437 yes:*:*:yes)
1438 AC_MSG_WARN([trying to bootstrap a cross compiler])
1439 ;;
1440
1441 # No compiler: if they passed --enable-bootstrap explicitly, fail
1442 no:*:*:yes)
1443 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1444
1445 # Fail if wrong command line
1446 *)
1447 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1448 ;;
1449esac
1450
5329b59a 1451# When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
ffac9597
JM		 1452# C++11 compiler can still start the bootstrap. Otherwise, if building GCC,
1453# require C++11 (or higher).
46070488 1454if test "$enable_bootstrap:$GXX" = "yes:yes"; then
5329b59a 1455 CXX="$CXX -std=c++11"
ffac9597
JM		 1456elif test "$have_compiler" = yes; then
1457 AX_CXX_COMPILE_STDCXX(11)
7ffcf5d6
TB		 1458
1459 if test "${build}" != "${host}"; then
1460 AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD])
1461 fi
46070488
JM		 1462fi
1463
592c90ff
KG		 1464# Used for setting $lt_cv_objdir
1465_LT_CHECK_OBJDIR
1466
acd26225 1467# Check for GMP, MPFR and MPC
3a5729ea 1468gmplibs="-lmpc -lmpfr -lgmp"
6de9cd9a 1469gmpinc=
e69bf64b 1470have_gmp=no
acd26225
KG		 1471
1472# Specify a location for mpc
1473# check for this first so it ends up on the link line before mpfr.
33e39b66
AS		 1474AC_ARG_WITH(mpc,
1475[AS_HELP_STRING([--with-mpc=PATH],
1476 [specify prefix directory for installed MPC package.
1477 Equivalent to --with-mpc-include=PATH/include
1478 plus --with-mpc-lib=PATH/lib])])
1479AC_ARG_WITH(mpc-include,
1480[AS_HELP_STRING([--with-mpc-include=PATH],
1481 [specify directory for installed MPC include files])])
1482AC_ARG_WITH(mpc-lib,
1483[AS_HELP_STRING([--with-mpc-lib=PATH],
1484 [specify directory for the installed MPC library])])
acd26225
KG		 1485
1486if test "x$with_mpc" != x; then
3a5729ea
KG		 1487 gmplibs="-L$with_mpc/lib $gmplibs"
1488 gmpinc="-I$with_mpc/include $gmpinc"
acd26225
KG		 1489fi
1490if test "x$with_mpc_include" != x; then
3a5729ea 1491 gmpinc="-I$with_mpc_include $gmpinc"
acd26225
KG		 1492fi
1493if test "x$with_mpc_lib" != x; then
3a5729ea 1494 gmplibs="-L$with_mpc_lib $gmplibs"
acd26225
KG		 1495fi
1496if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
592c90ff 1497 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
3a5729ea 1498 gmpinc='-I$$s/mpc/src '"$gmpinc"
acd26225
KG		 1499 # Do not test the mpc version. Assume that it is sufficient, since
1500 # it is in the source tree, and the library has not been built yet
1501 # but it would be included on the link line in the version check below
1502 # hence making the test fail.
3a5729ea 1503 have_gmp=yes
acd26225 1504fi
e69bf64b 1505
bebf829d
PB		 1506# Specify a location for mpfr
1507# check for this first so it ends up on the link line before gmp.
33e39b66
AS		 1508AC_ARG_WITH(mpfr-dir,
1509[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1510[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1511Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1512
1513AC_ARG_WITH(mpfr,
1514[AS_HELP_STRING([--with-mpfr=PATH],
1515 [specify prefix directory for installed MPFR package.
1516 Equivalent to --with-mpfr-include=PATH/include
1517 plus --with-mpfr-lib=PATH/lib])])
1518AC_ARG_WITH(mpfr-include,
1519[AS_HELP_STRING([--with-mpfr-include=PATH],
1520 [specify directory for installed MPFR include files])])
1521AC_ARG_WITH(mpfr-lib,
1522[AS_HELP_STRING([--with-mpfr-lib=PATH],
1523 [specify directory for the installed MPFR library])])
bebf829d
PB		 1524
1525if test "x$with_mpfr" != x; then
1526 gmplibs="-L$with_mpfr/lib $gmplibs"
3a5729ea 1527 gmpinc="-I$with_mpfr/include $gmpinc"
bebf829d 1528fi
8a877c9c 1529if test "x$with_mpfr_include" != x; then
3a5729ea 1530 gmpinc="-I$with_mpfr_include $gmpinc"
8a877c9c
KG		 1531fi
1532if test "x$with_mpfr_lib" != x; then
1533 gmplibs="-L$with_mpfr_lib $gmplibs"
1534fi
e69bf64b 1535if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
8f3675f8
MR		 1536 # MPFR v3.1.0 moved the sources into a src sub-directory.
1537 if ! test -d ${srcdir}/mpfr/src; then
1538 AC_MSG_ERROR([dnl
1539Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1540 fi
00f35794
BE		 1541 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1542 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1543 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
e69bf64b
PB		 1544 # Do not test the mpfr version. Assume that it is sufficient, since
1545 # it is in the source tree, and the library has not been built yet
1546 # but it would be included on the link line in the version check below
1547 # hence making the test fail.
1548 have_gmp=yes
1549fi
bebf829d 1550
6de9cd9a 1551# Specify a location for gmp
33e39b66
AS		 1552AC_ARG_WITH(gmp-dir,
1553[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1554[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1555Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1556
1557AC_ARG_WITH(gmp,
1558[AS_HELP_STRING([--with-gmp=PATH],
1559 [specify prefix directory for the installed GMP package.
1560 Equivalent to --with-gmp-include=PATH/include
1561 plus --with-gmp-lib=PATH/lib])])
1562AC_ARG_WITH(gmp-include,
1563[AS_HELP_STRING([--with-gmp-include=PATH],
1564 [specify directory for installed GMP include files])])
1565AC_ARG_WITH(gmp-lib,
1566[AS_HELP_STRING([--with-gmp-lib=PATH],
1567 [specify directory for the installed GMP library])])
6de9cd9a 1568
6de9cd9a 1569
bebf829d
PB		 1570if test "x$with_gmp" != x; then
1571 gmplibs="-L$with_gmp/lib $gmplibs"
1572 gmpinc="-I$with_gmp/include $gmpinc"
6de9cd9a 1573fi
8a877c9c
KG		 1574if test "x$with_gmp_include" != x; then
1575 gmpinc="-I$with_gmp_include $gmpinc"
1576fi
1577if test "x$with_gmp_lib" != x; then
1578 gmplibs="-L$with_gmp_lib $gmplibs"
1579fi
e69bf64b 1580if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
592c90ff 1581 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
e69bf64b 1582 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
9183bdcf 1583 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
592c90ff 1584 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
0ff2d841 1585 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
e69bf64b
PB		 1586 # Do not test the gmp version. Assume that it is sufficient, since
1587 # it is in the source tree, and the library has not been built yet
1588 # but it would be included on the link line in the version check below
1589 # hence making the test fail.
1590 have_gmp=yes
1591fi
6de9cd9a 1592
d943d7c4 1593if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
e69bf64b
PB		 1594 have_gmp=yes
1595 saved_CFLAGS="$CFLAGS"
1596 CFLAGS="$CFLAGS $gmpinc"
362c6d2f
KG		 1597 # Check for the recommended and required versions of GMP.
1598 AC_MSG_CHECKING([for the correct version of gmp.h])
e69bf64b 1599 AC_TRY_COMPILE([#include "gmp.h"],[
362c6d2f
KG		 1600 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1601 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
385c0681 1602 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
e48d66a9 1603 choke me
e69bf64b 1604 #endif
e8fd69bb 1605 ], [AC_TRY_COMPILE([#include <gmp.h>],[
362c6d2f
KG		 1606 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1607 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1608 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1609 choke me
1610 #endif
e8fd69bb 1611 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1612 [AC_MSG_RESULT([no]); have_gmp=no])
e69bf64b 1613
acd26225 1614 # If we have GMP, check the MPFR version.
e69bf64b 1615 if test x"$have_gmp" = xyes; then
362c6d2f
KG		 1616 # Check for the recommended and required versions of MPFR.
1617 AC_MSG_CHECKING([for the correct version of mpfr.h])
acd26225 1618 AC_TRY_COMPILE([#include <gmp.h>
e69bf64b 1619 #include <mpfr.h>],[
8be34204 1620 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
e69bf64b
PB		 1621 choke me
1622 #endif
e8fd69bb 1623 ], [AC_TRY_COMPILE([#include <gmp.h>
acd26225 1624 #include <mpfr.h>],[
8be34204 1625 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
acd26225
KG		 1626 choke me
1627 #endif
e8fd69bb 1628 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
acd26225
KG		 1629 [AC_MSG_RESULT([no]); have_gmp=no])
1630 fi
1631
1632 # Check for the MPC header version.
3a5729ea 1633 if test x"$have_gmp" = xyes ; then
362c6d2f 1634 # Check for the recommended and required versions of MPC.
acd26225
KG		 1635 AC_MSG_CHECKING([for the correct version of mpc.h])
1636 AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f 1637 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
acd26225
KG		 1638 choke me
1639 #endif
e8fd69bb 1640 ], [AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f
KG		 1641 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1642 choke me
1643 #endif
e8fd69bb 1644 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1645 [AC_MSG_RESULT([no]); have_gmp=no])
acd26225
KG		 1646 fi
1647
1648 # Now check the MPFR library.
1649 if test x"$have_gmp" = xyes; then
1650 saved_LIBS="$LIBS"
1651 LIBS="$LIBS $gmplibs"
3a5729ea
KG		 1652 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1653 AC_TRY_LINK([#include <mpc.h>],[
54e433bc
MK		 1654 mpfr_t n;
1655 mpfr_t x;
3a5729ea 1656 mpc_t c;
e69bf64b 1657 int t;
54e433bc
MK		 1658 mpfr_init (n);
1659 mpfr_init (x);
90ca6847
TB		 1660 mpfr_atan2 (n, n, x, MPFR_RNDN);
1661 mpfr_erfc (n, x, MPFR_RNDN);
1662 mpfr_subnormalize (x, t, MPFR_RNDN);
3a5729ea
KG		 1663 mpfr_clear(n);
1664 mpfr_clear(x);
1665 mpc_init2 (c, 53);
1666 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1667 mpc_cosh (c, c, MPC_RNDNN);
1668 mpc_pow (c, c, c, MPC_RNDNN);
1669 mpc_acosh (c, c, MPC_RNDNN);
1670 mpc_clear (c);
acd26225
KG		 1671 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1672 LIBS="$saved_LIBS"
e69bf64b 1673 fi
acd26225 1674
e69bf64b 1675 CFLAGS="$saved_CFLAGS"
6de9cd9a 1676
362c6d2f
KG		 1677# The library versions listed in the error message below should match
1678# the HARD-minimums enforced above.
e69bf64b 1679 if test x$have_gmp != xyes; then
8be34204 1680 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
3a5729ea
KG		 1681Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1682their locations. Source code for these libraries can be found at
1683their respective hosting sites as well as at
aeebd94c 1684https://gcc.gnu.org/pub/gcc/infrastructure/. See also
3a5729ea
KG		 1685http://gcc.gnu.org/install/prerequisites.html for additional info. If
1686you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1687make sure that you have installed both the libraries and the header
1688files. They may be located in separate packages.])
e69bf64b 1689 fi
70ec446f
KG		 1690fi
1691
acd26225 1692# Flags needed for both GMP, MPFR and/or MPC.
6de9cd9a
DN		 1693AC_SUBST(gmplibs)
1694AC_SUBST(gmpinc)
9e3eba15 1695AC_SUBST(extra_mpfr_configure_flags)
acd26225
KG		 1696AC_SUBST(extra_mpc_gmp_configure_flags)
1697AC_SUBST(extra_mpc_mpfr_configure_flags)
0ff2d841 1698AC_SUBST(extra_isl_gmp_configure_flags)
6de9cd9a 1699
00020c16
ILT		 1700# Libraries to use for stage1 or when not bootstrapping.
1701AC_ARG_WITH(stage1-libs,
33e39b66 1702[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
00020c16
ILT		 1703[if test "$withval" = "no" -o "$withval" = "yes"; then
1704 stage1_libs=
1705 else
1706 stage1_libs=$withval
1707 fi],
5dc85f7e 1708[stage1_libs=])
00020c16
ILT		 1709AC_SUBST(stage1_libs)
1710
aac9103b
TT		 1711# Whether or not to use -static-libstdc++ and -static-libgcc. The
1712# default is yes if gcc is being built; no otherwise. The reason for
1713# this default is that gdb is sometimes linked against GNU Source
1714# Highlight, which is a shared library that uses C++ exceptions. In
1715# this case, -static-libstdc++ will cause crashes.
1716AC_ARG_WITH(static-standard-libraries,
1717[AS_HELP_STRING([--with-static-standard-libraries],
1718 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1719[], [with_static_standard_libraries=auto])
1720if test "$with_static_standard_libraries" = auto; then
1721 with_static_standard_libraries=$have_compiler
1722fi
1723
0b21f5d3
EB		 1724# Linker flags to use for stage1 or when not bootstrapping.
1725AC_ARG_WITH(stage1-ldflags,
1726[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1727[if test "$withval" = "no" -o "$withval" = "yes"; then
1728 stage1_ldflags=
1729 else
1730 stage1_ldflags=$withval
1731 fi],
1732[stage1_ldflags=
1733 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1734 # if supported. But if the user explicitly specified the libraries to use,
1735 # trust that they are doing what they want.
aac9103b
TT		 1736 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1737 -a "$have_static_libs" = yes; then
0b21f5d3
EB		 1738 stage1_ldflags="-static-libstdc++ -static-libgcc"
1739 fi])
1740AC_SUBST(stage1_ldflags)
1741
5dc85f7e 1742# Libraries to use for stage2 and later builds.
00020c16 1743AC_ARG_WITH(boot-libs,
33e39b66 1744[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
00020c16
ILT		 1745[if test "$withval" = "no" -o "$withval" = "yes"; then
1746 poststage1_libs=
1747 else
e90e6bd7 1748 poststage1_libs=$withval
00020c16 1749 fi],
5dc85f7e 1750[poststage1_libs=])
00020c16
ILT		 1751AC_SUBST(poststage1_libs)
1752
ed2eaa9f
ILT		 1753# Linker flags to use for stage2 and later builds.
1754AC_ARG_WITH(boot-ldflags,
33e39b66
AS		 1755[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1756 [linker flags for stage2 and later])],
ed2eaa9f
ILT		 1757[if test "$withval" = "no" -o "$withval" = "yes"; then
1758 poststage1_ldflags=
1759 else
1760 poststage1_ldflags=$withval
1761 fi],
1762[poststage1_ldflags=
bec93d73
ILT		 1763 # In stages 2 and 3, default to linking libstdc++ and libgcc
1764 # statically. But if the user explicitly specified the libraries to
1765 # use, trust that they are doing what they want.
1766 if test "$poststage1_libs" = ""; then
ed2eaa9f
ILT		 1767 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1768 fi])
1769AC_SUBST(poststage1_ldflags)
1770
e357a5e0 1771# GCC GRAPHITE dependency isl.
4a9bb2aa 1772# Basic setup is inlined here, actual checks are in config/isl.m4
625afa23 1773
625afa23
RG		 1774AC_ARG_WITH(isl,
1775 [AS_HELP_STRING(
1776 [--with-isl=PATH],
e357a5e0 1777 [Specify prefix directory for the installed isl package.
625afa23
RG		 1778 Equivalent to --with-isl-include=PATH/include
1779 plus --with-isl-lib=PATH/lib])])
1780
eae1a5d4 1781# Treat --without-isl as a request to disable
625afa23 1782# GRAPHITE support and skip all following checks.
eae1a5d4 1783if test "x$with_isl" != "xno"; then
e357a5e0 1784 # Check for isl
625afa23
RG		 1785 dnl Provide configure switches and initialize islinc & isllibs
1786 dnl with user input.
1787 ISL_INIT_FLAGS
e357a5e0 1788 dnl The versions of isl that work for Graphite
e0c0c325 1789 ISL_CHECK_VERSION()
e357a5e0 1790 dnl Only execute fail-action, if isl has been requested.
33ad93b9 1791 ISL_IF_FAILED([
e357a5e0 1792 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
f8bf9252 1793fi
f8bf9252 1794
e357a5e0 1795# If the isl check failed, disable builds of in-tree variant of isl
625afa23 1796if test "x$with_isl" = xno ||
625afa23 1797 test "x$gcc_cv_isl" = xno; then
4a9bb2aa 1798 noconfigdirs="$noconfigdirs isl"
625afa23 1799 islinc=
eae1a5d4
RG		 1800fi
1801
1802AC_SUBST(isllibs)
625afa23 1803AC_SUBST(islinc)
625afa23 1804
d7f09764
DN		 1805# Check for LTO support.
1806AC_ARG_ENABLE(lto,
33e39b66 1807[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
d7f09764
DN		 1808enable_lto=$enableval,
1809enable_lto=yes; default_enable_lto=yes)
1810
48215350
DK		 1811ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1812 build_lto_plugin=yes
1813],[if test x"$default_enable_lto" = x"yes" ; then
bb79486c 1814 case $target in
deeba76a 1815 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
48215350 1816 # On other non-ELF platforms, LTO has yet to be validated.
bb79486c
JH		 1817 *) enable_lto=no ;;
1818 esac
3bec79c5 1819 else
db50fe7d
IS		 1820 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1821 # It would also be nice to check the binutils support, but we don't
3bec79c5
DK		 1822 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1823 # warn during gcc/ subconfigure; unless you're bootstrapping with
1824 # -flto it won't be needed until after installation anyway.
1825 case $target in
9e530bcd 1826 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
3bec79c5
DK		 1827 *) if test x"$enable_lto" = x"yes"; then
1828 AC_MSG_ERROR([LTO support is not enabled for this target.])
1829 fi
1830 ;;
1831 esac
1832 fi
1cd0b716 1833 # Among non-ELF, only Windows platforms support the lto-plugin so far.
48215350 1834 # Build it unless LTO was explicitly disabled.
1cd0b716 1835 case $target in
48215350 1836 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1cd0b716
DK		 1837 *) ;;
1838 esac
48215350 1839])
d7f09764 1840
45b3824d
TS		 1841AC_ARG_ENABLE(linker-plugin-configure-flags,
1842 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1843 [additional flags for configuring linker plugins @<:@none@:>@])],
1844 extra_linker_plugin_configure_flags=$enableval,
1845 extra_linker_plugin_configure_flags=)
1846AC_SUBST(extra_linker_plugin_configure_flags)
1847AC_ARG_ENABLE(linker-plugin-flags,
1848 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1849 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1850 extra_linker_plugin_flags=$enableval,
1851 extra_linker_plugin_flags=)
1852AC_SUBST(extra_linker_plugin_flags)
1853
cdfee50a
NS		 1854# Enable --enable-host-shared.
1855# Checked early to determine whether jit is an 'all' language
1856AC_ARG_ENABLE(host-shared,
1857[AS_HELP_STRING([--enable-host-shared],
1858 [build host code as shared libraries])],
1859[host_shared=$enableval], [host_shared=no])
1860AC_SUBST(host_shared)
f8bf9252 1861
0823efed 1862# By default, C and C++ are the only stage 1 languages.
e1888513 1863stage1_languages=,c,
2805b53a 1864
00020c16 1865# Target libraries that we bootstrap.
ad1e5170 1866bootstrap_target_libs=,target-libgcc,
00020c16 1867
e4c9c075
PB		 1868# Figure out what language subdirectories are present.
1869# Look if the user specified --enable-languages="..."; if not, use
1870# the environment variable $LANGUAGES if defined. $LANGUAGES might
1871# go away some day.
1872# NB: embedded tabs in this IF block -- do not untabify
1873if test -d ${srcdir}/gcc; then
1874 if test x"${enable_languages+set}" != xset; then
1875 if test x"${LANGUAGES+set}" = xset; then
1876 enable_languages="${LANGUAGES}"
6b1786aa 1877 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
e4c9c075 1878 else
cdfee50a 1879 enable_languages=default
e4c9c075
PB		 1880 fi
1881 else
1882 if test x"${enable_languages}" = x ||
1883 test x"${enable_languages}" = xyes;
1884 then
6b1786aa 1885 echo configure.ac: --enable-languages needs at least one language argument 1>&2
e4c9c075
PB		 1886 exit 1
1887 fi
1888 fi
1889 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1890
7f26dfa3
FXC		 1891 # 'f95' is the old name for the 'fortran' language. We issue a warning
1892 # and make the substitution.
1893 case ,${enable_languages}, in
1894 *,f95,*)
6b1786aa 1895 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
7f26dfa3
FXC		 1896 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1897 ;;
1898 esac
1899
0823efed
DN		 1900 # If bootstrapping, C++ must be enabled.
1901 case ",$enable_languages,:$enable_bootstrap" in
1902 *,c++,*:*) ;;
1903 *:yes)
ff3ac0f4
ILT		 1904 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1905 enable_languages="${enable_languages},c++"
1906 else
0823efed 1907 AC_MSG_ERROR([bootstrapping requires c++ sources])
ff3ac0f4
ILT		 1908 fi
1909 ;;
1910 esac
1911
e4c9c075
PB		 1912 # First scan to see if an enabled language requires some other language.
1913 # We assume that a given config-lang.in will list all the language
1914 # front ends it requires, even if some are required indirectly.
1915 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1916 case ${lang_frag} in
1917 ..) ;;
1918 # The odd quoting in the next line works around
1919 # an apparent bug in bash 1.12 on linux.
1920 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1921 *)
69ecd18f
ILT		 1922 # From the config-lang.in, get $language, $lang_requires, and
1923 # $lang_requires_boot_languages.
e4c9c075
PB		 1924 language=
1925 lang_requires=
69ecd18f 1926 lang_requires_boot_languages=
d4360477
NS		 1927 # set srcdir during sourcing lang_frag to the gcc dir.
1928 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1929 # polutes this shell
1930 saved_srcdir=${srcdir}
1931 srcdir=${srcdir}/gcc . ${lang_frag}
1932 srcdir=${saved_srcdir}
69ecd18f 1933 for other in ${lang_requires} ${lang_requires_boot_languages}; do
e4c9c075
PB		 1934 case ,${enable_languages}, in
1935 *,$other,*) ;;
cdfee50a 1936 *,default,*) ;;
e4c9c075
PB		 1937 *,all,*) ;;
1938 *,$language,*)
1939 echo " \`$other' language required by \`$language'; enabling" 1>&2
1940 enable_languages="${enable_languages},${other}"
1941 ;;
1942 esac
1943 done
69ecd18f
ILT		 1944 for other in ${lang_requires_boot_languages} ; do
1945 if test "$other" != "c"; then
1946 case ,${enable_stage1_languages}, in
1947 *,$other,*) ;;
cdfee50a 1948 *,default,*) ;;
69ecd18f
ILT		 1949 *,all,*) ;;
1950 *)
1951 case ,${enable_languages}, in
1952 *,$language,*)
1953 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1954 enable_stage1_languages="$enable_stage1_languages,${other}"
1955 ;;
1956 esac
1957 ;;
1958 esac
1959 fi
1960 done
e4c9c075
PB		 1961 ;;
1962 esac
1963 done
1964
e1888513 1965 new_enable_languages=,c,
d7f09764
DN		 1966
1967 # If LTO is enabled, add the LTO front end.
d7f09764 1968 if test "$enable_lto" = "yes" ; then
e4c5bd48
RW		 1969 case ,${enable_languages}, in
1970 *,lto,*) ;;
1971 *) enable_languages="${enable_languages},lto" ;;
1972 esac
1cd0b716 1973 if test "${build_lto_plugin}" = "yes" ; then
d7f09764 1974 configdirs="$configdirs lto-plugin"
d7f09764
DN		 1975 fi
1976 fi
d7f09764 1977
426c1eb0
TS		 1978 # If we're building an offloading compiler, add the LTO front end.
1979 if test x"$enable_as_accelerator_for" != x ; then
1980 case ,${enable_languages}, in
1981 *,lto,*) ;;
1982 *) enable_languages="${enable_languages},lto" ;;
1983 esac
1984 fi
1985
cdfee50a 1986 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
e1888513 1987 potential_languages=,c,
e4c9c075 1988
4da3b0f8
ILT		 1989 enabled_target_libs=
1990 disabled_target_libs=
1991
e4c9c075
PB		 1992 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1993 case ${lang_frag} in
1994 ..) ;;
1995 # The odd quoting in the next line works around
1996 # an apparent bug in bash 1.12 on linux.
1997 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1998 *)
1999 # From the config-lang.in, get $language, $target_libs,
2805b53a 2000 # $lang_dirs, $boot_language, and $build_by_default
e4c9c075
PB		 2001 language=
2002 target_libs=
2003 lang_dirs=
1546bb64 2004 subdir_requires=
e1888513
PB		 2005 boot_language=no
2006 build_by_default=yes
d4360477
NS		 2007 # set srcdir during sourcing. See above about save & restore
2008 saved_srcdir=${srcdir}
2009 srcdir=${srcdir}/gcc . ${lang_frag}
2010 srcdir=${saved_srcdir}
e1888513
PB		 2011 if test x${language} = x; then
2012 echo "${lang_frag} doesn't set \$language." 1>&2
2013 exit 1
2014 fi
2015
78767fd9 2016 if test "$language" = "c++"; then
0823efed 2017 boot_language=yes
00020c16
ILT		 2018 fi
2019
178f875a 2020 add_this_lang=no
cdfee50a
NS		 2021 # C is always enabled, so no need to add it again
2022 if test "$language" != "c"; then
2023 case ,${enable_languages}, in
2024 *,${language},*)
2025 # Language was explicitly selected; include it
d4a10d0a 2026 add_this_lang=yes
cdfee50a
NS		 2027 ;;
2028 *,all,*)
2029 # All languages are enabled
2030 add_this_lang=all
2031 ;;
2032 *,default,*)
2033 # 'default' was selected, select it if it is a default language
178f875a 2034 add_this_lang=${build_by_default}
cdfee50a
NS		 2035 ;;
2036 esac
2037 fi
6de9cd9a 2038
1546bb64 2039 # Disable languages that need other directories if these aren't available.
95695ad3 2040 for i in $subdir_requires; do
b6348cb3 2041 test -f "$srcdir/gcc/$i/config-lang.in" && continue
cdfee50a
NS		 2042 case ${add_this_lang} in
2043 yes)
1546bb64
PB		 2044 # Specifically requested language; tell them.
2045 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2046 ;;
cdfee50a
NS		 2047 all)
2048 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
2049 add_this_lang=unsupported
2050 ;;
1546bb64
PB		 2051 *)
2052 # Silently disable.
e1888513 2053 add_this_lang=unsupported
1546bb64
PB		 2054 ;;
2055 esac
2056 done
2057
e1888513 2058 # Disable Ada if no preexisting GNAT is available.
cdfee50a
NS		 2059 case ${add_this_lang}:${language}:${have_gnat} in
2060 yes:ada:no)
e1888513
PB		 2061 # Specifically requested language; tell them.
2062 AC_MSG_ERROR([GNAT is required to build $language])
2063 ;;
cdfee50a
NS		 2064 all:ada:no)
2065 AC_MSG_WARN([GNAT is required to build $language])
2066 add_this_lang=unsupported
2067 ;;
e1888513
PB		 2068 *:ada:no)
2069 # Silently disable.
2070 add_this_lang=unsupported
2071 ;;
2072 esac
2073
cdfee50a 2074 # Disable jit if -enable-host-shared not specified
c83027f3
NB		 2075 # but not if building for Mingw. All code in Windows
2076 # is position independent code (PIC).
2077 case $target in
2078 *mingw*) ;;
2079 *)
2080 case ${add_this_lang}:${language}:${host_shared} in
2081 yes:jit:no)
2082 # PR jit/64780: explicitly specify --enable-host-shared
cdfee50a
NS		 2083 AC_MSG_ERROR([
2084Enabling language "jit" requires --enable-host-shared.
2085
2086--enable-host-shared typically slows the rest of the compiler down by
2087a few %, so you must explicitly enable it.
2088
2089If you want to build both the jit and the regular compiler, it is often
2090best to do this via two separate configure/builds, in separate
2091directories, to avoid imposing the performance cost of
2092--enable-host-shared on the regular compiler.])
c83027f3
NB		 2093 ;;
2094 all:jit:no)
2095 AC_MSG_WARN([--enable-host-shared required to build $language])
2096 add_this_lang=unsupported
2097 ;;
2098 *:jit:no)
2099 # Silently disable.
2100 add_this_lang=unsupported
2101 ;;
2102 esac
2103 ;;
2104 esac
cdfee50a
NS		 2105
2106 # Disable a language that is unsupported by the target.
2107 case "${add_this_lang}: $unsupported_languages " in
2108 no:*) ;;
2109 unsupported:*) ;;
2110 *:*" $language "*)
2111 AC_MSG_WARN([${language} not supported for this target])
e1888513 2112 add_this_lang=unsupported
4fab7234
HPN		 2113 ;;
2114 esac
2115
6de9cd9a 2116 case $add_this_lang in
e1888513 2117 unsupported)
e4c9c075 2118 # Remove language-dependent dirs.
4da3b0f8
ILT		 2119 disabled_target_libs="$disabled_target_libs $target_libs"
2120 noconfigdirs="$noconfigdirs $lang_dirs"
2805b53a 2121 ;;
e1888513
PB		 2122 no)
2123 # Remove language-dependent dirs; still show language as supported.
4da3b0f8
ILT		 2124 disabled_target_libs="$disabled_target_libs $target_libs"
2125 noconfigdirs="$noconfigdirs $lang_dirs"
e1888513
PB		 2126 potential_languages="${potential_languages}${language},"
2127 ;;
cdfee50a 2128 all|yes)
e1888513
PB		 2129 new_enable_languages="${new_enable_languages}${language},"
2130 potential_languages="${potential_languages}${language},"
2805b53a 2131 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
4da3b0f8 2132 enabled_target_libs="$enabled_target_libs $target_libs"
ab9dcd0c
RW		 2133 case "${boot_language}:,$enable_stage1_languages," in
2134 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
340de83f 2135 # Add to (comma-separated) list of stage 1 languages.
ab9dcd0c
RW		 2136 case ",$stage1_languages," in
2137 *,$language,* | ,yes, | ,all,) ;;
2138 *) stage1_languages="${stage1_languages}${language}," ;;
2139 esac
00020c16
ILT		 2140 # We need to bootstrap any supporting libraries.
2141 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2805b53a
NN		 2142 ;;
2143 esac
2144 ;;
e4c9c075
PB		 2145 esac
2146 ;;
2147 esac
2148 done
2149
4da3b0f8
ILT		 2150 # Add target libraries which are only needed for disabled languages
2151 # to noconfigdirs.
2152 if test -n "$disabled_target_libs"; then
2153 for dir in $disabled_target_libs; do
2154 case " $enabled_target_libs " in
2155 *" ${dir} "*) ;;
2156 *) noconfigdirs="$noconfigdirs $dir" ;;
2157 esac
2158 done
2159 fi
2160
e1888513 2161 AC_ARG_ENABLE(stage1-languages,
33e39b66
AS		 2162 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2163 [choose additional languages to build during
2164 stage1. Mostly useful for compiler development])],
e1888513
PB		 2165 [case ,${enable_stage1_languages}, in
2166 ,no,|,,)
2167 # Set it to something that will have no effect in the loop below
2168 enable_stage1_languages=c ;;
2169 ,yes,)
2170 enable_stage1_languages=`echo $new_enable_languages | \
2171 sed -e "s/^,//" -e "s/,$//" ` ;;
2172 *,all,*)
2173 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2174 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2175 esac
2176
2177 # Add "good" languages from enable_stage1_languages to stage1_languages,
2178 # while "bad" languages go in missing_languages. Leave no duplicates.
2179 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2180 case $potential_languages in
2181 *,$i,*)
2182 case $stage1_languages in
2183 *,$i,*) ;;
2184 *) stage1_languages="$stage1_languages$i," ;;
2185 esac ;;
2186 *)
2187 case $missing_languages in
2188 *,$i,*) ;;
2189 *) missing_languages="$missing_languages$i," ;;
2190 esac ;;
2191 esac
2192 done])
2193
2194 # Remove leading/trailing commas that were added for simplicity
2195 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
79b4b7d2 2196 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
e1888513
PB		 2197 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2198 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2199
e4c9c075
PB		 2200 if test "x$missing_languages" != x; then
2201 AC_MSG_ERROR([
0cf085e4 2202The following requested languages could not be built: ${missing_languages}
e1888513 2203Supported languages are: ${potential_languages}])
e4c9c075 2204 fi
e4c9c075
PB		 2205 if test "x$new_enable_languages" != "x$enable_languages"; then
2206 echo The following languages will be built: ${new_enable_languages}
e1888513 2207 enable_languages="$new_enable_languages"
e4c9c075 2208 fi
e1888513
PB		 2209
2210 AC_SUBST(stage1_languages)
b2eaac4a 2211 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
e4c9c075
PB		 2212fi
2213
27079765
AH		 2214# Handle --disable-<component> generically.
2215for dir in $configdirs $build_configdirs $target_configdirs ; do
2216 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
ac9e6043
RW		 2217 varname=`echo $dirname | sed -e s/+/_/g`
2218 if eval test x\${enable_${varname}} "=" xno ; then
27079765
AH		 2219 noconfigdirs="$noconfigdirs $dir"
2220 fi
2221done
2222
43c40f3e
RO		 2223# Check for Boehm's garbage collector
2224AC_ARG_ENABLE(objc-gc,
2225[AS_HELP_STRING([--enable-objc-gc],
2226 [enable use of Boehm's garbage collector with the
114bf3f1
MK		 2227 GNU Objective-C runtime])])
2228AC_ARG_WITH([target-bdw-gc],
2229[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2230 [specify prefix directory for installed bdw-gc package.
2231 Equivalent to --with-target-bdw-gc-include=PATH/include
2232 plus --with-target-bdw-gc-lib=PATH/lib])])
2233AC_ARG_WITH([target-bdw-gc-include],
2234[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2235 [specify directories for installed bdw-gc include files])])
2236AC_ARG_WITH([target-bdw-gc-lib],
2237[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2238 [specify directories for installed bdw-gc library])])
2239
2240case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2241 AC_MSG_CHECKING([for bdw garbage collector])
2242 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
825fba52
MK		 2243 dnl no bdw-gw options, assume default locations
2244 AC_MSG_RESULT([using bdw-gc in default locations])
114bf3f1
MK		 2245 else
2246 dnl bdw-gw options, first error checking, complete checking in libobjc
2247 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2248 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2249 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2250 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2251 else
2252 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2253 fi
2254 fi
43c40f3e
RO		 2255esac
2256
5e9d6aa4 2257# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
99776ebd 2258case ,${enable_languages}, in
1007a55c 2259 *,c++,*)
5e9d6aa4 2260 # Disable libitm, libsanitizer if we're not building libstdc++
1007a55c
JW		 2261 case "${noconfigdirs}" in
2262 *target-libstdc++-v3*)
5e9d6aa4 2263 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
1007a55c
JW		 2264 ;;
2265 *) ;;
2266 esac
2267 ;;
99776ebd 2268 *)
5e9d6aa4 2269 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
99776ebd
RH		 2270 ;;
2271esac
7cd0cf9c 2272
9d069a4f
PB		 2273# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2274# $build_configdirs and $target_configdirs.
e4c9c075
PB		 2275# If we have the source for $noconfigdirs entries, add them to $notsupp.
2276
2277notsupp=""
2278for dir in . $skipdirs $noconfigdirs ; do
9d069a4f 2279 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
e4c9c075
PB		 2280 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2281 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2282 if test -r $srcdir/$dirname/configure ; then
2283 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2284 true
2285 else
2286 notsupp="$notsupp $dir"
2287 fi
2288 fi
2289 fi
9d069a4f
PB		 2290 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2291 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2292 if test -r $srcdir/$dirname/configure ; then
2293 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2294 true
2295 else
2296 notsupp="$notsupp $dir"
2297 fi
2298 fi
2299 fi
e4c9c075
PB		 2300 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2301 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2302 if test -r $srcdir/$dirname/configure ; then
2303 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2304 true
2305 else
2306 notsupp="$notsupp $dir"
2307 fi
2308 fi
2309 fi
2310done
2311
e4c9c075
PB		 2312# Quietly strip out all directories which aren't configurable in this tree.
2313# This relies on all configurable subdirectories being autoconfiscated, which
2314# is now the case.
23f6b2f9
PB		 2315build_configdirs_all="$build_configdirs"
2316build_configdirs=
2317for i in ${build_configdirs_all} ; do
2318 j=`echo $i | sed -e s/build-//g`
2319 if test -f ${srcdir}/$j/configure ; then
2320 build_configdirs="${build_configdirs} $i"
2321 fi
2322done
2323
e4c9c075
PB		 2324configdirs_all="$configdirs"
2325configdirs=
2326for i in ${configdirs_all} ; do
2327 if test -f ${srcdir}/$i/configure ; then
2328 configdirs="${configdirs} $i"
2329 fi
2330done
23f6b2f9 2331
e4c9c075
PB		 2332target_configdirs_all="$target_configdirs"
2333target_configdirs=
2334for i in ${target_configdirs_all} ; do
2335 j=`echo $i | sed -e s/target-//g`
2336 if test -f ${srcdir}/$j/configure ; then
2337 target_configdirs="${target_configdirs} $i"
2338 fi
2339done
2340
45b3824d
TS		 2341# libiberty-linker-plugin is special: it doesn't have its own source directory,
2342# so we have to add it after the preceding checks.
2343if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2344then
2345 case " $configdirs " in
2346 *" libiberty "*)
2347 # If we can build libiberty, we can also build libiberty-linker-plugin.
2348 configdirs="$configdirs libiberty-linker-plugin"
2349 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2350 --with-libiberty=../libiberty-linker-plugin";;
2351 *)
2352 AC_MSG_ERROR([libiberty missing]);;
2353 esac
2354fi
2355
fca38047
TS		 2356# Sometimes we have special requirements for the host libiberty.
2357extra_host_libiberty_configure_flags=
1c01ebf6 2358extra_host_zlib_configure_flags=
fca38047
TS		 2359case " $configdirs " in
2360 *" lto-plugin "* | *" libcc1 "*)
2361 # When these are to be built as shared libraries, the same applies to
2362 # libiberty.
2363 extra_host_libiberty_configure_flags=--enable-shared
2364 ;;
1c01ebf6
L		 2365 *" bfd "*)
2366 # When bfd is to be built as a shared library, the same applies to
2367 # zlib.
2368 if test "$enable_shared" = "yes"; then
2369 extra_host_zlib_configure_flags=--enable-host-shared
2370 fi
2371 ;;
fca38047
TS		 2372esac
2373AC_SUBST(extra_host_libiberty_configure_flags)
1c01ebf6 2374AC_SUBST(extra_host_zlib_configure_flags)
fca38047 2375
e4c9c075
PB		 2376# Produce a warning message for the subdirs we can't configure.
2377# This isn't especially interesting in the Cygnus tree, but in the individual
2378# FSF releases, it's important to let people know when their machine isn't
2379# supported by the one or two programs in a package.
2380
2381if test -n "${notsupp}" && test -z "${norecursion}" ; then
2382 # If $appdirs is non-empty, at least one of those directories must still
2383 # be configured, or we error out. (E.g., if the gas release supports a
2384 # specified target in some subdirs but not the gas subdir, we shouldn't
2385 # pretend that all is well.)
2386 if test -n "$appdirs" ; then
2387 for dir in $appdirs ; do
2388 if test -r $dir/Makefile.in ; then
2389 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2390 appdirs=""
2391 break
2392 fi
23f6b2f9 2393 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
e4c9c075
PB		 2394 appdirs=""
2395 break
2396 fi
2397 fi
2398 done
2399 if test -n "$appdirs" ; then
2400 echo "*** This configuration is not supported by this package." 1>&2
2401 exit 1
2402 fi
2403 fi
2404 # Okay, some application will build, or we don't care to check. Still
2405 # notify of subdirs not getting built.
2406 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2407 echo " ${notsupp}" 1>&2
2408 echo " (Any other directories should still work fine.)" 1>&2
2409fi
2410
2411case "$host" in
2412 *msdosdjgpp*)
2413 enable_gdbtk=no ;;
2414esac
2415
c3a86da9
DJ		 2416# To find our prefix, in gcc_cv_tool_prefix.
2417ACX_TOOL_DIRS
2418
e4c9c075
PB		 2419copy_dirs=
2420
526635cb 2421AC_ARG_WITH([build-sysroot],
33e39b66
AS		 2422 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2423 [use sysroot as the system root during the build])],
526635cb
MM		 2424 [if test x"$withval" != x ; then
2425 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2426 fi],
2427 [SYSROOT_CFLAGS_FOR_TARGET=])
2428AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2429
c8aea42c 2430AC_ARG_WITH([debug-prefix-map],
33e39b66
AS		 2431 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2432 [map A to B, C to D ... in debug information])],
c8aea42c
PB		 2433 [if test x"$withval" != x; then
2434 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2435 for debug_map in $withval; do
2436 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2437 done
2438 fi],
2439 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2440AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2441
1c8bd6a3
PB		 2442# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2443# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2444# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2445# We want to ensure that TARGET libraries (which we know are built with
2446# gcc) are built with "-O2 -g", so include those options when setting
2447# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2448if test "x$CFLAGS_FOR_TARGET" = x; then
fc30054e
AH		 2449 if test "x${is_cross_compiler}" = xyes; then
2450 CFLAGS_FOR_TARGET="-g -O2"
2451 else
2452 CFLAGS_FOR_TARGET=$CFLAGS
2453 case " $CFLAGS " in
2454 *" -O2 "*) ;;
2455 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2456 esac
2457 case " $CFLAGS " in
2458 *" -g "* | *" -g3 "*) ;;
2459 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2460 esac
2461 fi
1c8bd6a3
PB		 2462fi
2463AC_SUBST(CFLAGS_FOR_TARGET)
2464
2465if test "x$CXXFLAGS_FOR_TARGET" = x; then
fc30054e
AH		 2466 if test "x${is_cross_compiler}" = xyes; then
2467 CXXFLAGS_FOR_TARGET="-g -O2"
2468 else
2469 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2470 case " $CXXFLAGS " in
2471 *" -O2 "*) ;;
2472 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2473 esac
2474 case " $CXXFLAGS " in
2475 *" -g "* | *" -g3 "*) ;;
2476 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2477 esac
2478 fi
1c8bd6a3
PB		 2479fi
2480AC_SUBST(CXXFLAGS_FOR_TARGET)
2481
6f57bdf6
DK		 2482AC_SUBST(LDFLAGS_FOR_TARGET)
2483
e4c9c075
PB		 2484# Handle --with-headers=XXX. If the value is not "yes", the contents of
2485# the named directory are copied to $(tooldir)/sys-include.
2486if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2487 if test x${is_cross_compiler} = xno ; then
2488 echo 1>&2 '***' --with-headers is only supported when cross compiling
2489 exit 1
2490 fi
2491 if test x"${with_headers}" != xyes ; then
c3a86da9 2492 x=${gcc_cv_tool_prefix}
1c710c3c 2493 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
e4c9c075
PB		 2494 fi
2495fi
2496
2497# Handle --with-libs=XXX. If the value is not "yes", the contents of
2498# the name directories are copied to $(tooldir)/lib. Multiple directories
2499# are permitted.
2500if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2501 if test x${is_cross_compiler} = xno ; then
2502 echo 1>&2 '***' --with-libs is only supported when cross compiling
2503 exit 1
2504 fi
2505 if test x"${with_libs}" != xyes ; then
2506 # Copy the libraries in reverse order, so that files in the first named
2507 # library override files in subsequent libraries.
c3a86da9 2508 x=${gcc_cv_tool_prefix}
e4c9c075 2509 for l in ${with_libs}; do
1c710c3c 2510 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
e4c9c075
PB		 2511 done
2512 fi
2513fi
2514
d7f09764 2515# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
e8b05380
PB		 2516#
2517# This is done by determining whether or not the appropriate directory
2518# is available, and by checking whether or not specific configurations
2519# have requested that this magic not happen.
2520#
2521# The command line options always override the explicit settings in
6b1786aa 2522# configure.ac, and the settings in configure.ac override this magic.
e8b05380
PB		 2523#
2524# If the default for a toolchain is to use GNU as and ld, and you don't
2525# want to do that, then you should use the --without-gnu-as and
d7f09764
DN		 2526# --without-gnu-ld options for the configure script. Similarly, if
2527# the default is to use the included zlib and you don't want to do that,
2528# you should use the --with-system-zlib option for the configure script.
e8b05380
PB		 2529
2530if test x${use_gnu_as} = x &&
2531 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2532 with_gnu_as=yes
2533 extra_host_args="$extra_host_args --with-gnu-as"
2534fi
2535
2536if test x${use_gnu_ld} = x &&
5afab7ad 2537 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
e8b05380
PB		 2538 with_gnu_ld=yes
2539 extra_host_args="$extra_host_args --with-gnu-ld"
2540fi
2541
d7f09764
DN		 2542if test x${use_included_zlib} = x &&
2543 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2544 :
2545else
2546 with_system_zlib=yes
2547 extra_host_args="$extra_host_args --with-system-zlib"
2548fi
2549
e8b05380
PB		 2550# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2551# can detect this case.
2552
2553if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2554 with_newlib=yes
2555 extra_host_args="$extra_host_args --with-newlib"
2556fi
2557
e4c9c075
PB		 2558# Handle ${copy_dirs}
2559set fnord ${copy_dirs}
2560shift
2561while test $# != 0 ; do
2562 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2563 :
2564 else
2565 echo Copying $1 to $2
2566
2567 # Use the install script to create the directory and all required
2568 # parent directories.
2569 if test -d $2 ; then
2570 :
2571 else
2572 echo >config.temp
2573 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2574 fi
2575
2576 # Copy the directory, assuming we have tar.
2577 # FIXME: Should we use B in the second tar? Not all systems support it.
2578 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2579
2580 # It is the responsibility of the user to correctly adjust all
2581 # symlinks. If somebody can figure out how to handle them correctly
2582 # here, feel free to add the code.
2583
2584 echo $1 > $2/COPIED
2585 fi
2586 shift; shift
2587done
2588
e8b05380
PB		 2589# Determine a target-dependent exec_prefix that the installed
2590# gcc will search in. Keep this list sorted by triplet, with
2591# the *-*-osname triplets last.
2592md_exec_prefix=
2593case "${target}" in
30b74385 2594 i[[34567]]86-pc-msdosdjgpp*)
e8b05380
PB		 2595 md_exec_prefix=/dev/env/DJDIR/bin
2596 ;;
e8b05380 2597 *-*-hpux* | \
e8b05380 2598 *-*-nto-qnx* | \
6de66370 2599 *-*-solaris2*)
e8b05380
PB		 2600 md_exec_prefix=/usr/ccs/bin
2601 ;;
2602esac
2603
4977bab6
ZW		 2604extra_arflags_for_target=
2605extra_nmflags_for_target=
2a726918 2606extra_ranlibflags_for_target=
671aa708 2607target_makefile_frag=/dev/null
55380b08 2608case "${target}" in
58e24147
AM		 2609 spu-*-*)
2610 target_makefile_frag="config/mt-spu"
2611 ;;
74ae587e 2612 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
4bf6c438
RS		 2613 target_makefile_frag="config/mt-sde"
2614 ;;
1ec3b87b
RS		 2615 mipsisa*-*-elfoabi*)
2616 target_makefile_frag="config/mt-mips-elfoabi"
2617 ;;
08d0963a
RS		 2618 mips*-*-*linux* | mips*-*-gnu*)
2619 target_makefile_frag="config/mt-mips-gnu"
2620 ;;
707f1839
SL		 2621 nios2-*-elf*)
2622 target_makefile_frag="config/mt-nios2-elf"
2623 ;;
76052545
EB		 2624 *-*-linux-android*)
2625 target_makefile_frag="config/mt-android"
2626 ;;
416ac4d4 2627 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
98a5bb3b 2628 target_makefile_frag="config/mt-gnu"
55380b08 2629 ;;
671aa708 2630 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
4977bab6
ZW		 2631 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2632 # commands to handle both 32-bit and 64-bit objects. These flags are
2633 # harmless if we're using GNU nm or ar.
2634 extra_arflags_for_target=" -X32_64"
2635 extra_nmflags_for_target=" -B -X32_64"
55380b08 2636 ;;
c3b7d169
NN		 2637esac
2638
671aa708 2639alphaieee_frag=/dev/null
c3b7d169
NN		 2640case $target in
2641 alpha*-*-*)
2642 # This just makes sure to use the -mieee option to build target libs.
2643 # This should probably be set individually by each library.
2644 alphaieee_frag="config/mt-alphaieee"
55380b08
NN		 2645 ;;
2646esac
701afd4d 2647
55380b08
NN		 2648# If --enable-target-optspace always use -Os instead of -O2 to build
2649# the target libraries, similarly if it is not specified, use -Os
2650# on selected platforms.
671aa708 2651ospace_frag=/dev/null
55380b08
NN		 2652case "${enable_target_optspace}:${target}" in
2653 yes:*)
c3b7d169 2654 ospace_frag="config/mt-ospace"
55380b08
NN		 2655 ;;
2656 :d30v-*)
c3b7d169 2657 ospace_frag="config/mt-d30v"
55380b08 2658 ;;
d9063947 2659 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
c3b7d169 2660 ospace_frag="config/mt-ospace"
55380b08
NN		 2661 ;;
2662 no:* | :*)
2663 ;;
2664 *)
2665 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2666 ;;
2667esac
6599da04 2668
671aa708
NN		 2669# Some systems (e.g., one of the i386-aix systems the gas testers are
2670# using) don't handle "\$" correctly, so don't use it here.
1c710c3c 2671tooldir='${exec_prefix}'/${target_noncanonical}
671aa708
NN		 2672build_tooldir=${tooldir}
2673
671aa708
NN		 2674# Create a .gdbinit file which runs the one in srcdir
2675# and tells GDB to look there for source files.
2676
2677if test -r ${srcdir}/.gdbinit ; then
2678 case ${srcdir} in
2679 .) ;;
2680 *) cat > ./.gdbinit <<EOF
2681# ${NO_EDIT}
2682dir ${srcdir}
2683dir .
2684source ${srcdir}/.gdbinit
2685EOF
2686 ;;
2687 esac
2688fi
2689
6599da04
JM		 2690# Make sure that the compiler is able to generate an executable. If it
2691# can't, we are probably in trouble. We don't care whether we can run the
2692# executable--we might be using a cross compiler--we only care whether it
2693# can be created. At this point the main configure script has set CC.
aeaa0f2f 2694we_are_ok=no
6599da04
JM		 2695echo "int main () { return 0; }" > conftest.c
2696${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
aeaa0f2f
NN		 2697if test $? = 0 ; then
2698 if test -s conftest || test -s conftest.exe ; then
2699 we_are_ok=yes
2700 fi
2701fi
2702case $we_are_ok in
2703 no)
2704 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2705 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2706 rm -f conftest*
2707 exit 1
2708 ;;
2709esac
6599da04
JM		 2710rm -f conftest*
2711
d89f0ad6 2712# Decide which environment variable is used to find dynamic libraries.
fe3d5b7f
NN		 2713case "${host}" in
2714 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
111eeb6e 2715 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
d89f0ad6 2716 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
fe3d5b7f
NN		 2717 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2718esac
fe3d5b7f 2719
d89f0ad6
AL		 2720# On systems where the dynamic library environment variable is PATH,
2721# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2722# built executables to PATH.
2723if test "$RPATH_ENVVAR" = PATH; then
2724 GCC_SHLIB_SUBDIR=/shlib
2725else
2726 GCC_SHLIB_SUBDIR=
2727fi
2728
beeda1d9
JJ		 2729# Adjust the toplevel makefile according to whether bootstrap was selected.
2730case $enable_bootstrap in
2731 yes)
2732 bootstrap_suffix=bootstrap
2733 BUILD_CONFIG=bootstrap-debug
2734 ;;
2735 no)
2736 bootstrap_suffix=no-bootstrap
2737 BUILD_CONFIG=
2738 ;;
2739esac
2740
2741AC_MSG_CHECKING(for default BUILD_CONFIG)
2742
2743AC_ARG_WITH([build-config],
2744 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2745 [use config/NAME.mk build configuration])],
2746 [case $with_build_config in
2747 yes) with_build_config= ;;
2748 no) with_build_config= BUILD_CONFIG= ;;
2749 esac])
2750
2751if test "x${with_build_config}" != x; then
2752 BUILD_CONFIG=$with_build_config
2753else
2754 case $BUILD_CONFIG in
2755 bootstrap-debug)
2756 if echo "int f (void) { return 0; }" > conftest.c &&
2757 ${CC} -c conftest.c &&
2758 mv conftest.o conftest.o.g0 &&
2759 ${CC} -c -g conftest.c &&
2760 mv conftest.o conftest.o.g &&
2761 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2762 :
2763 else
2764 BUILD_CONFIG=
2765 fi
2766 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2767 ;;
2768 esac
2769fi
2770AC_MSG_RESULT($BUILD_CONFIG)
2771AC_SUBST(BUILD_CONFIG)
2772
2773# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2774AC_MSG_CHECKING([for --enable-vtable-verify])
2775AC_ARG_ENABLE(vtable-verify,
318a4e6d
MF		 2776[AS_HELP_STRING([--enable-vtable-verify],
2777 [Enable vtable verification feature])],
beeda1d9
JJ		 2778[case "$enableval" in
2779 yes) enable_vtable_verify=yes ;;
2780 no) enable_vtable_verify=no ;;
2781 *) enable_vtable_verify=no;;
2782 esac],
2783[enable_vtable_verify=no])
2784AC_MSG_RESULT($enable_vtable_verify)
2785
4977bab6
ZW		 2786# Record target_configdirs and the configure arguments for target and
2787# build configuration in Makefile.
2788target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
23f6b2f9 2789build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
9e1c8fc1 2790bootstrap_fixincludes=no
4977bab6 2791
ad1e5170
JR		 2792# If we are building libgomp, bootstrap it.
2793if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2794 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2795fi
2796
beeda1d9
JJ		 2797# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2798# or bootstrap-ubsan, bootstrap it.
2799if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2800 case "$BUILD_CONFIG" in
170e618e 2801 *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* )
beeda1d9 2802 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
9e1c8fc1 2803 bootstrap_fixincludes=yes
beeda1d9
JJ		 2804 ;;
2805 esac
ac8701fe
L		 2806fi
2807
beeda1d9
JJ		 2808# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2809if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2810 test "$enable_vtable_verify" != no; then
2077db1b
CT		 2811 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2812fi
2813
4977bab6
ZW		 2814# Determine whether gdb needs tk/tcl or not.
2815# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2816# and in that case we want gdb to be built without tk. Ugh!
2817# In fact I believe gdb is the *only* package directly dependent on tk,
2818# so we should be able to put the 'maybe's in unconditionally and
2819# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2820# 100% sure that that's safe though.
e914a571 2821
b4f96efe 2822gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
4977bab6
ZW		 2823case "$enable_gdbtk" in
2824 no)
2825 GDB_TK="" ;;
e914a571
AC		 2826 yes)
2827 GDB_TK="${gdb_tk}" ;;
4977bab6 2828 *)
e914a571
AC		 2829 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2830 # distro. Eventually someone will fix this and move Insight, nee
2831 # gdbtk to a separate directory.
2832 if test -d ${srcdir}/gdb/gdbtk ; then
2833 GDB_TK="${gdb_tk}"
2834 else
2835 GDB_TK=""
2836 fi
2837 ;;
4977bab6 2838esac
ef9db8d5
DJ		 2839CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2840INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
4977bab6 2841
f9d09df0
TT		 2842# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2843# else does, only include them if one of these is built. The Makefile
2844# provides the ordering, so it's enough here to add to the list.
2845case " ${configdirs} " in
2846 *\ gdb\ *)
2847 configdirs="${configdirs} gnulib gdbsupport"
2848 ;;
2849 *\ gdbserver\ *)
2850 configdirs="${configdirs} gnulib gdbsupport"
2851 ;;
f14c9bd4
MF		 2852 *\ sim\ *)
2853 configdirs="${configdirs} gnulib"
2854 ;;
f9d09df0 2855esac
98e5be21 2856
60975492 2857# Strip out unwanted targets.
8b87bb96
NN		 2858
2859# While at that, we remove Makefiles if we were started for recursive
2860# configuration, so that the top-level Makefile reconfigures them,
2861# like we used to do when configure itself was recursive.
8b87bb96 2862
3e54529c
RW		 2863# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2864# but now we're fixing up the Makefile ourselves with the additional
2865# commands passed to AC_CONFIG_FILES. Use separate variables
2866# extrasub-{build,host,target} not because there is any reason to split
2867# the substitutions up that way, but only to remain below the limit of
2868# 99 commands in a script, for HP-UX sed.
da34ca3f
AO		 2869
2870# Do not nest @if/@endif or @unless/@endunless pairs, because
2871# configure will not warn you at all.
8b87bb96 2872
79cd2b23
RW		 2873case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2874 yes:yes:*\ gold\ *:*,c++,*) ;;
2875 yes:yes:*\ gold\ *:*)
2876 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2877 ;;
2878esac
2879
3e54529c 2880extrasub_build=
23f6b2f9 2881for module in ${build_configdirs} ; do
8b87bb96
NN		 2882 if test -z "${no_recursion}" \
2883 && test -f ${build_subdir}/${module}/Makefile; then
2884 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2885 rm -f ${build_subdir}/${module}/Makefile
2886 fi
3e54529c 2887 extrasub_build="$extrasub_build
60975492 2888/^@if build-$module\$/d
5607edfd 2889/^@endif build-$module\$/d
da34ca3f 2890/^@unless build-$module\$/,/^@endunless build-$module\$/d
5607edfd 2891/^@if build-$module-$bootstrap_suffix\$/d
da34ca3f
AO		 2892/^@endif build-$module-$bootstrap_suffix\$/d
2893/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
8b87bb96 2894done
3e54529c 2895extrasub_host=
8b87bb96 2896for module in ${configdirs} ; do
a6fbc1e2 2897 if test -z "${no_recursion}"; then
f063a9ed 2898 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
a6fbc1e2
AS		 2899 if test -f ${file}; then
2900 echo 1>&2 "*** removing ${file} to force reconfigure"
2901 rm -f ${file}
2902 fi
2903 done
8b87bb96 2904 fi
9e1c8fc1
JJ		 2905 case ${module},${bootstrap_fixincludes} in
2906 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2907 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2908 esac
3e54529c 2909 extrasub_host="$extrasub_host
60975492 2910/^@if $module\$/d
5607edfd 2911/^@endif $module\$/d
da34ca3f 2912/^@unless $module\$/,/^@endunless $module\$/d
9e1c8fc1 2913/^@if $module-$host_bootstrap_suffix\$/d
da34ca3f
AO		 2914/^@endif $module-$host_bootstrap_suffix\$/d
2915/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
8b87bb96 2916done
3e54529c 2917extrasub_target=
8b87bb96
NN		 2918for module in ${target_configdirs} ; do
2919 if test -z "${no_recursion}" \
2920 && test -f ${target_subdir}/${module}/Makefile; then
2921 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2922 rm -f ${target_subdir}/${module}/Makefile
2923 fi
00020c16
ILT		 2924
2925 # We only bootstrap target libraries listed in bootstrap_target_libs.
2926 case $bootstrap_target_libs in
2927 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2928 *) target_bootstrap_suffix=no-bootstrap ;;
2929 esac
2930
3e54529c 2931 extrasub_target="$extrasub_target
60975492 2932/^@if target-$module\$/d
5607edfd 2933/^@endif target-$module\$/d
da34ca3f 2934/^@unless target-$module\$/,/^@endunless target-$module\$/d
00020c16 2935/^@if target-$module-$target_bootstrap_suffix\$/d
da34ca3f
AO		 2936/^@endif target-$module-$target_bootstrap_suffix\$/d
2937/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
4977bab6 2938done
f516a7da 2939
3e54529c
RW		 2940# Do the final fixup along with target modules.
2941extrasub_target="$extrasub_target
da34ca3f
AO		 2942/^@if /,/^@endif /d
2943/^@unless /d
2944/^@endunless /d"
4977bab6
ZW		 2945
2946# Create the serialization dependencies. This uses a temporary file.
2947
ade82b16 2948AC_ARG_ENABLE([serial-configure],
33e39b66
AS		 2949[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2950 [force sequential configuration of
2951 sub-packages for the host, target or build
2952 machine, or all sub-packages])])
bf1d3e81
NN		 2953
2954case ${enable_serial_configure} in
2955 yes)
2956 enable_serial_build_configure=yes
2957 enable_serial_host_configure=yes
2958 enable_serial_target_configure=yes
2959 ;;
2960esac
ade82b16 2961
4977bab6
ZW		 2962# These force 'configure's to be done one at a time, to avoid problems
2963# with contention over a shared config.cache.
2964rm -f serdep.tmp
ade82b16 2965echo '# serdep.tmp' > serdep.tmp
4977bab6 2966olditem=
bf1d3e81 2967test "x${enable_serial_build_configure}" = xyes &&
4977bab6
ZW		 2968for item in ${build_configdirs} ; do
2969 case ${olditem} in
2970 "") ;;
ade82b16 2971 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2972 esac
2973 olditem=${item}
2974done
2975olditem=
bf1d3e81 2976test "x${enable_serial_host_configure}" = xyes &&
4977bab6
ZW		 2977for item in ${configdirs} ; do
2978 case ${olditem} in
2979 "") ;;
ade82b16 2980 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2981 esac
2982 olditem=${item}
2983done
2984olditem=
bf1d3e81 2985test "x${enable_serial_target_configure}" = xyes &&
4977bab6
ZW		 2986for item in ${target_configdirs} ; do
2987 case ${olditem} in
2988 "") ;;
ade82b16 2989 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2990 esac
2991 olditem=${item}
2992done
671aa708
NN		 2993serialization_dependencies=serdep.tmp
2994AC_SUBST_FILE(serialization_dependencies)
fe3d5b7f 2995
ade82b16 2996# Base args. Strip norecursion, cache-file, srcdir, host, build,
1c710c3c 2997# target, nonopt, and variable assignments. These are the ones we
f1a036e4
NC		 2998# might not want to pass down to subconfigures. The exception being
2999# --cache-file=/dev/null, which is used to turn off the use of cache
3000# files altogether, and which should be passed on to subconfigures.
3001# Also strip program-prefix, program-suffix, and program-transform-name,
3002# so that we can pass down a consistent program-transform-name.
1c710c3c 3003baseargs=
29a63921 3004tbaseargs=
1c710c3c
DJ		 3005keep_next=no
3006skip_next=no
3007eval "set -- $ac_configure_args"
44bfc3ac
DJ		 3008for ac_arg
3009do
1c710c3c
DJ		 3010 if test X"$skip_next" = X"yes"; then
3011 skip_next=no
3012 continue
3013 fi
3014 if test X"$keep_next" = X"yes"; then
3015 case $ac_arg in
3016 *\'*)
3017 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3018 esac
3019 baseargs="$baseargs '$ac_arg'"
29a63921 3020 tbaseargs="$tbaseargs '$ac_arg'"
1c710c3c
DJ		 3021 keep_next=no
3022 continue
3023 fi
3024
3025 # Handle separated arguments. Based on the logic generated by
3026 # autoconf 2.59.
3027 case $ac_arg in
3028 *=* | --config-cache | -C | -disable-* | --disable-* \
3029 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3030 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3031 | -with-* | --with-* | -without-* | --without-* | --x)
3032 separate_arg=no
3033 ;;
3034 -*)
3035 separate_arg=yes
3036 ;;
3037 *)
3038 separate_arg=no
3039 ;;
3040 esac
3041
29a63921
AO		 3042 skip_targ=no
3043 case $ac_arg in
3044changequote(,)
3045 --with-* | --without-*)
3046 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3047
3048 case $libopt in
3049 *[-_]include)
3050 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3051 ;;
3052 *[-_]lib)
3053 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3054 ;;
3055 *)
3056 lib=$libopt
3057 ;;
3058 esac
3059changequote([,])
3060
3061 case $lib in
4a9bb2aa 3062 mpc | mpfr | gmp | isl)
29a63921
AO		 3063 # If we're processing --with-$lib, --with-$lib-include or
3064 # --with-$lib-lib, for one of the libs above, and target is
3065 # different from host, don't pass the current argument to any
3066 # target library's configure.
3067 if test x$is_cross_compiler = xyes; then
3068 skip_targ=yes
3069 fi
3070 ;;
3071 esac
3072 ;;
3073 esac
3074
1c710c3c 3075 case "$ac_arg" in
f1a036e4
NC		 3076 --cache-file=/dev/null | \
3077 -cache-file=/dev/null )
3078 # Handled here to avoid the test to skip args below.
3079 baseargs="$baseargs '$ac_arg'"
29a63921 3080 tbaseargs="$tbaseargs '$ac_arg'"
f1a036e4
NC		 3081 # Assert: $separate_arg should always be no.
3082 keep_next=$separate_arg
3083 ;;
1c710c3c
DJ		 3084 --no*)
3085 continue
3086 ;;
3087 --c* | \
3088 --sr* | \
3089 --ho* | \
3090 --bu* | \
3091 --t* | \
3092 --program-* | \
3093 -cache_file* | \
3094 -srcdir* | \
3095 -host* | \
3096 -build* | \
3097 -target* | \
3098 -program-prefix* | \
3099 -program-suffix* | \
3100 -program-transform-name* )
3101 skip_next=$separate_arg
3102 continue
3103 ;;
3104 -*)
3105 # An option. Add it.
3106 case $ac_arg in
3107 *\'*)
3108 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3109 esac
3110 baseargs="$baseargs '$ac_arg'"
29a63921
AO		 3111 if test X"$skip_targ" = Xno; then
3112 tbaseargs="$tbaseargs '$ac_arg'"
3113 fi
1c710c3c
DJ		 3114 keep_next=$separate_arg
3115 ;;
3116 *)
3117 # Either a variable assignment, or a nonopt (triplet). Don't
3118 # pass it down; let the Makefile handle this.
3119 continue
3120 ;;
3121 esac
3122done
3123# Remove the initial space we just introduced and, as these will be
3124# expanded by make, quote '$'.
3125baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
6599da04 3126
43bb47c2
DJ		 3127# Add in --program-transform-name, after --program-prefix and
3128# --program-suffix have been applied to it. Autoconf has already
3129# doubled dollar signs and backslashes in program_transform_name; we want
3130# the backslashes un-doubled, and then the entire thing wrapped in single
3131# quotes, because this will be expanded first by make and then by the shell.
3132# Also, because we want to override the logic in subdir configure scripts to
3133# choose program_transform_name, replace any s,x,x, with s,y,y,.
3134sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3135${program_transform_name}
3136EOF_SED
3137gcc_transform_name=`cat conftestsed.out`
3138rm -f conftestsed.out
3139baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
29a63921 3140tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
d9acb717
RW		 3141if test "$silent" = yes; then
3142 baseargs="$baseargs --silent"
29a63921 3143 tbaseargs="$tbaseargs --silent"
d9acb717 3144fi
0115d4a3 3145baseargs="$baseargs --disable-option-checking"
29a63921 3146tbaseargs="$tbaseargs --disable-option-checking"
43bb47c2 3147
ffedf511
RW		 3148# Record and document user additions to sub configure arguments.
3149AC_ARG_VAR([build_configargs],
3150 [additional configure arguments for build directories])
3151AC_ARG_VAR([host_configargs],
3152 [additional configure arguments for host directories])
3153AC_ARG_VAR([target_configargs],
3154 [additional configure arguments for target directories])
3155
e490616e
ZW		 3156# For the build-side libraries, we just need to pretend we're native,
3157# and not use the same cache file. Multilibs are neither needed nor
3d96b0d0
HPN		 3158# desired. We can't even use the same cache file for all build-side
3159# libraries, as they're compiled differently; some with C, some with
3160# C++ or with different feature-enabling options.
3161build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
e254d6b5 3162
4977bab6
ZW		 3163# For host modules, accept cache file option, or specification as blank.
3164case "${cache_file}" in
3165"") # empty
3166 cache_file_option="" ;;
671aa708 3167/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
4977bab6
ZW		 3168 cache_file_option="--cache-file=${cache_file}" ;;
3169*) # relative path
3170 cache_file_option="--cache-file=../${cache_file}" ;;
3171esac
3172
09438bde
NN		 3173# Host dirs don't like to share a cache file either, horribly enough.
3174# This seems to be due to autoconf 2.5x stupidity.
ffedf511 3175host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
4977bab6 3176
29a63921 3177target_configargs="$target_configargs ${tbaseargs}"
e490616e 3178
6599da04
JM		 3179# Passing a --with-cross-host argument lets the target libraries know
3180# whether they are being built with a cross-compiler or being built
3181# native. However, it would be better to use other mechanisms to make the
3182# sorts of decisions they want to make on this basis. Please consider
3183# this option to be deprecated. FIXME.
aeaa0f2f 3184if test x${is_cross_compiler} = xyes ; then
1c710c3c 3185 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
6599da04
JM		 3186fi
3187
79e0604d
FXC		 3188# Special user-friendly check for native x86_64-linux build, if
3189# multilib is not explicitly enabled.
3190case "$target:$have_compiler:$host:$target:$enable_multilib" in
3191 x86_64-*linux*:yes:$build:$build:)
e640447c 3192 # Make sure we have a development environment that handles 32-bit
79e0604d
FXC		 3193 dev64=no
3194 echo "int main () { return 0; }" > conftest.c
3195 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3196 if test $? = 0 ; then
3197 if test -s conftest || test -s conftest.exe ; then
3198 dev64=yes
3199 fi
3200 fi
3201 rm -f conftest*
3202 if test x${dev64} != xyes ; then
e640447c 3203 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		 3204 fi
3205 ;;
3206esac
3207
dc683a3f
RW		 3208# Default to --enable-multilib.
3209if test x${enable_multilib} = x ; then
3fedb745 3210 target_configargs="--enable-multilib ${target_configargs}"
dc683a3f 3211fi
6599da04 3212
5d4a5ee6
JL		 3213# Pass --with-newlib if appropriate. Note that target_configdirs has
3214# changed from the earlier setting of with_newlib.
aeaa0f2f 3215if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3fedb745 3216 target_configargs="--with-newlib ${target_configargs}"
5d4a5ee6
JL		 3217fi
3218
6b9eb62c
NN		 3219# Different target subdirs use different values of certain variables
3220# (notably CXX). Worse, multilibs use *lots* of different values.
3221# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3222# it doesn't automatically accept command-line overrides of them.
3223# This means it's not safe for target subdirs to share a cache file,
3224# which is disgusting, but there you have it. Hopefully this can be
3225# fixed in future. It's still worthwhile to use a cache file for each
3226# directory. I think.
3227
bebcd931
MS		 3228# Pass the appropriate --build, --host, --target and --cache-file arguments.
3229# We need to pass --target, as newer autoconf's requires consistency
3230# for target_alias and gcc doesn't manage it consistently.
e69bf64b 3231target_configargs="--cache-file=./config.cache ${target_configargs}"
e490616e 3232
b87487b6 3233FLAGS_FOR_TARGET=
bb654703 3234case " $target_configdirs " in
7965440a 3235 *" newlib "*)
3fedb745 3236 case " $target_configargs " in
7965440a 3237 *" --with-newlib "*)
b87487b6 3238 case "$target" in
5d571eaa 3239 *-cygwin*)
443e6238 3240 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
5d571eaa 3241 ;;
b87487b6
AO		 3242 esac
3243
afd7db25 3244 # If we're not building GCC, don't discard standard headers.
ef40bc65 3245 if test -d ${srcdir}/gcc; then
d4eb109c 3246 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
afd7db25
AO		 3247
3248 if test "${build}" != "${host}"; then
3249 # On Canadian crosses, CC_FOR_TARGET will have already been set
3250 # by `configure', so we won't have an opportunity to add -Bgcc/
3251 # to it. This is right: we don't want to search that directory
3252 # for binaries, but we want the header files in there, so add
3253 # them explicitly.
0463992b 3254 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
afd7db25
AO		 3255
3256 # Someone might think of using the pre-installed headers on
3257 # Canadian crosses, in case the installed compiler is not fully
3258 # compatible with the compiler being built. In this case, it
3259 # would be better to flag an error than risking having
3260 # incompatible object files being constructed. We can't
3261 # guarantee that an error will be flagged, but let's hope the
3262 # compiler will do it, when presented with incompatible header
3263 # files.
3264 fi
d4eb109c
AO		 3265 fi
3266
ab50d72b 3267 case "${target}-${is_cross_compiler}" in
f2a0e225 3268 i[[3456789]]86-*-linux*-no)
ab50d72b
DD		 3269 # Here host == target, so we don't need to build gcc,
3270 # so we don't want to discard standard headers.
3271 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
ab50d72b
DD		 3272 ;;
3273 *)
3274 # If we're building newlib, use its generic headers last, but search
3275 # for any libc-related directories first (so make it the last -B
3276 # switch).
3277 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
c03353e2
RIL		 3278
3279 # If we're building libgloss, find the startup file, simulator library
3280 # and linker script.
3281 case " $target_configdirs " in
3282 *" libgloss "*)
3283 # Look for startup file, simulator library and maybe linker script.
3284 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3285 # Look for libnosys.a in case the target needs it.
3286 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3287 # Most targets have the linker script in the source directory.
3288 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3289 ;;
3290 esac
ab50d72b
DD		 3291 ;;
3292 esac
b87487b6 3293 ;;
7965440a
AO		 3294 esac
3295 ;;
b87487b6 3296esac
5d571eaa 3297
b91f0a41 3298case "$target" in
5d571eaa
OS		 3299 x86_64-*mingw* | *-w64-mingw*)
3300 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3301 # however, use a symlink named 'mingw' in ${prefix} .
3302 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3303 ;;
3304 *-mingw*)
3305 # MinGW can't be handled as Cygwin above since it does not use newlib.
3306 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3307 ;;
b91f0a41 3308esac
d4eb109c 3309
6691a79e
ME		 3310# Allow the user to override the flags for
3311# our build compiler if desired.
f019adc1
MF		 3312if test x"${build}" = x"${host}" ; then
3313 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3314 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3315 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3316fi
6691a79e 3317
d4eb109c
AO		 3318# On Canadian crosses, we'll be searching the right directories for
3319# the previously-installed cross compiler, so don't bother to add
3320# flags for directories within the install tree of the compiler
3321# being built; programs in there won't even run.
ef40bc65 3322if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
b87487b6 3323 # Search for pre-installed headers if nothing else fits.
9124bc53 3324 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
b87487b6 3325fi
d4eb109c 3326
bb654703 3327if test "x${use_gnu_ld}" = x &&
55380b08 3328 echo " ${configdirs} " | grep " ld " > /dev/null ; then
b87487b6 3329 # Arrange for us to find uninstalled linker scripts.
215c351a 3330 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
b87487b6
AO		 3331fi
3332
e88a2c09
DD		 3333# Search for other target-specific linker scripts and such.
3334case "${target}" in
3e19841a
PB		 3335 mep*)
3336 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3337 ;;
e88a2c09
DD		 3338esac
3339
671aa708 3340# Makefile fragments.
7b61653a
PE		 3341for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3342do
3343 eval fragval=\$$frag
3344 if test $fragval != /dev/null; then
3345 eval $frag=${srcdir}/$fragval
3346 fi
3347done
671aa708
NN		 3348AC_SUBST_FILE(host_makefile_frag)
3349AC_SUBST_FILE(target_makefile_frag)
3350AC_SUBST_FILE(alphaieee_frag)
3351AC_SUBST_FILE(ospace_frag)
3352
3353# Miscellanea: directories, flags, etc.
671aa708 3354AC_SUBST(RPATH_ENVVAR)
d89f0ad6 3355AC_SUBST(GCC_SHLIB_SUBDIR)
671aa708
NN		 3356AC_SUBST(tooldir)
3357AC_SUBST(build_tooldir)
ef9db8d5 3358AC_SUBST(CONFIGURE_GDB_TK)
671aa708 3359AC_SUBST(GDB_TK)
ef9db8d5 3360AC_SUBST(INSTALL_GDB_TK)
671aa708
NN		 3361
3362# Build module lists & subconfigure args.
671aa708 3363AC_SUBST(build_configargs)
23f6b2f9 3364AC_SUBST(build_configdirs)
671aa708
NN		 3365
3366# Host module lists & subconfigure args.
3367AC_SUBST(host_configargs)
3368AC_SUBST(configdirs)
aae29963 3369AC_SUBST(target_configdirs)
671aa708
NN		 3370
3371# Target module lists & subconfigure args.
671aa708 3372AC_SUBST(target_configargs)
ee2312f3 3373
671aa708
NN		 3374
3375# Build tools.
0999159b
PB		 3376AC_SUBST(AR_FOR_BUILD)
3377AC_SUBST(AS_FOR_BUILD)
671aa708 3378AC_SUBST(CC_FOR_BUILD)
0999159b
PB		 3379AC_SUBST(CFLAGS_FOR_BUILD)
3380AC_SUBST(CXXFLAGS_FOR_BUILD)
3381AC_SUBST(CXX_FOR_BUILD)
3382AC_SUBST(DLLTOOL_FOR_BUILD)
0999159b 3383AC_SUBST(GFORTRAN_FOR_BUILD)
632e2a07 3384AC_SUBST(GOC_FOR_BUILD)
b4c522fa 3385AC_SUBST(GDC_FOR_BUILD)
0999159b
PB		 3386AC_SUBST(LDFLAGS_FOR_BUILD)
3387AC_SUBST(LD_FOR_BUILD)
3388AC_SUBST(NM_FOR_BUILD)
3389AC_SUBST(RANLIB_FOR_BUILD)
3390AC_SUBST(WINDMC_FOR_BUILD)
3391AC_SUBST(WINDRES_FOR_BUILD)
671aa708 3392
2abefe3d
PB		 3393# Generate default definitions for YACC, M4, LEX and other programs that run
3394# on the build machine. These are used if the Makefile can't locate these
3395# programs in objdir.
3396MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3397
3398AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3399case " $build_configdirs " in
3400 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2abefe3d
PB		 3401esac
3402
3403AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3404case " $build_configdirs " in
3405 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3406esac
3407
3408AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3409case " $build_configdirs " in
3410 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3411esac
3412
3413AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3414case " $build_configdirs " in
3415 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3416 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3417esac
3418
3419AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3420case " $build_configdirs " in
3421 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3422esac
3423
3424AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3425case " $build_configdirs " in
3426 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3427 *)
3428changequote(,)
d18ff35a 3429 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2abefe3d
PB		 3430 # higher, else we use the "missing" dummy.
3431 if ${MAKEINFO} --version \
d18ff35a 3432 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2abefe3d
PB		 3433 :
3434 else
3435 MAKEINFO="$MISSING makeinfo"
3436 fi
3437 ;;
3438changequote([,])
3439esac
3440
3441# FIXME: expect and dejagnu may become build tools?
3442
3443AC_CHECK_PROGS(EXPECT, expect, expect)
3444case " $configdirs " in
3445 *" expect "*)
3446 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3447 ;;
3448esac
3449
3450AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3451case " $configdirs " in
3452 *" dejagnu "*)
c394e891 3453 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2abefe3d
PB		 3454 ;;
3455esac
3456
3457
671aa708 3458# Host tools.
2693c0b0
PB		 3459NCN_STRICT_CHECK_TOOLS(AR, ar)
3460NCN_STRICT_CHECK_TOOLS(AS, as)
3461NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3462NCN_STRICT_CHECK_TOOLS(LD, ld)
2abefe3d 3463NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2693c0b0 3464NCN_STRICT_CHECK_TOOLS(NM, nm)
8927b7c0
RO		 3465NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3466NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
2693c0b0 3467NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
901119ae 3468NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2693c0b0
PB		 3469NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3470NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
e4a9a572 3471NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
e7a82751 3472NCN_STRICT_CHECK_TOOLS(READELF, readelf)
671aa708
NN		 3473AC_SUBST(CC)
3474AC_SUBST(CXX)
3475AC_SUBST(CFLAGS)
3476AC_SUBST(CXXFLAGS)
671aa708 3477
2abefe3d 3478# Target tools.
e8b05380 3479AC_ARG_WITH([build-time-tools],
33e39b66
AS		 3480 [AS_HELP_STRING([--with-build-time-tools=PATH],
3481 [use given path to find target tools during the build])],
e8b05380
PB		 3482 [case x"$withval" in
3483 x/*) ;;
3484 *)
3485 with_build_time_tools=
3486 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3487 ;;
3488 esac],
3489 [with_build_time_tools=])
3490
2693c0b0
PB		 3491NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3492NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2693c0b0 3493NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2693c0b0 3494NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
632e2a07 3495NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
b4c522fa 3496NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
e8b05380
PB		 3497
3498ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3499ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3500ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3501ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3502ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3503ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
9bccfdf5 3504ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
e8b05380 3505ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
e4a9a572 3506ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
8927b7c0 3507ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
e7a82751 3508ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
e8b05380
PB		 3509ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3510ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
901119ae 3511ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
4de997d1 3512
2abefe3d
PB		 3513RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3514
3515GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3516GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3517GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
b3f122e0 3518dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
2abefe3d 3519GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2077db1b 3520 [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		 3521 c++)
3522GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2077db1b 3523 [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		 3524 c++)
3525GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3526GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2abefe3d
PB		 3527GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3528 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
632e2a07
ILT		 3529GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3530 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
b4c522fa
IB		 3531GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3532 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
2abefe3d
PB		 3533GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3534GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3535GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
ec8fd1c0 3536GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
2abefe3d 3537GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
e4a9a572 3538GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
2abefe3d 3539GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
e7a82751 3540GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
455c8f48 3541GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
2abefe3d 3542GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
901119ae 3543GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
4de997d1 3544
2abefe3d 3545AC_SUBST(FLAGS_FOR_TARGET)
4de997d1 3546AC_SUBST(RAW_CXX_FOR_TARGET)
be912515 3547
671aa708
NN		 3548# Certain tools may need extra flags.
3549AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3550RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3551NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
6599da04 3552
2abefe3d
PB		 3553# When building target libraries, except in a Canadian cross, we use
3554# the same toolchain as the compiler we just built.
3555COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3556COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3557COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3558if test $host = $build; then
3559 case " $configdirs " in
3560 *" gcc "*)
3561 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3562 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3563 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3564 ;;
3565 esac
3566fi
3567
3568AC_SUBST(COMPILER_AS_FOR_TARGET)
3569AC_SUBST(COMPILER_LD_FOR_TARGET)
3570AC_SUBST(COMPILER_NM_FOR_TARGET)
3571
ee03dc5e
AO		 3572AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3573AC_ARG_ENABLE(maintainer-mode,
33e39b66
AS		 3574[AS_HELP_STRING([--enable-maintainer-mode],
3575 [enable make rules and dependencies not useful
3576 (and sometimes confusing) to the casual installer])],
ee03dc5e
AO		 3577 USE_MAINTAINER_MODE=$enableval,
3578 USE_MAINTAINER_MODE=no)
3579AC_MSG_RESULT($USE_MAINTAINER_MODE)
3580AC_SUBST(MAINTAINER_MODE_TRUE)
3581AC_SUBST(MAINTAINER_MODE_FALSE)
3582if test "$USE_MAINTAINER_MODE" = yes; then
3583 MAINTAINER_MODE_TRUE=
3584 MAINTAINER_MODE_FALSE='#'
3585else
3586 MAINTAINER_MODE_TRUE='#'
3587 MAINTAINER_MODE_FALSE=
3588fi
3589MAINT=$MAINTAINER_MODE_TRUE
3590AC_SUBST(MAINT)dnl
3591
2805b53a
NN		 3592# ---------------------
3593# GCC bootstrap support
3594# ---------------------
3595
3596# Stage specific cflags for build.
3597stage1_cflags="-g"
3598case $build in
3599 vax-*-*)
3600 case ${GCC} in
3601 yes) stage1_cflags="-g -Wa,-J" ;;
3602 *) stage1_cflags="-g -J" ;;
3603 esac ;;
2805b53a 3604esac
0b50988a 3605
2805b53a
NN		 3606AC_SUBST(stage1_cflags)
3607
8efea775
PB		 3608# Enable --enable-checking in stage1 of the compiler.
3609AC_ARG_ENABLE(stage1-checking,
33e39b66
AS		 3610[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3611 [choose additional checking for stage1 of the compiler])],
8efea775 3612[stage1_checking=--enable-checking=${enable_stage1_checking}],
e643dc23 3613[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
c10b5ea0
JJ		 3614 # For --disable-checking or implicit --enable-checking=release, avoid
3615 # setting --enable-checking=gc in the default stage1 checking for LTO
3616 # bootstraps. See PR62077.
c10b5ea0
JJ		 3617 case $BUILD_CONFIG in
3618 *lto*)
7db11a5a
JJ		 3619 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3620 *)
3621 stage1_checking=--enable-checking=yes,types;;
c10b5ea0 3622 esac
7db11a5a
JJ		 3623 if test "x$enable_checking" = x && \
3624 test -d ${srcdir}/gcc && \
3625 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
c100769b 3626 stage1_checking=--enable-checking=yes,types,extra
7db11a5a 3627 fi
8efea775 3628else
e643dc23 3629 stage1_checking=--enable-checking=$enable_checking,types
8efea775
PB		 3630fi])
3631AC_SUBST(stage1_checking)
3632
2805b53a 3633# Enable -Werror in bootstrap stage2 and later.
2805b53a 3634AC_ARG_ENABLE(werror,
33e39b66 3635[AS_HELP_STRING([--enable-werror],
afd88efc
ML		 3636 [enable -Werror in bootstrap stage2 and later])],
3637[
09a9c095
NN		 3638case ${enable_werror} in
3639 yes) stage2_werror_flag="--enable-werror-always" ;;
3640 *) stage2_werror_flag="" ;;
2805b53a 3641esac
afd88efc
ML		 3642],
3643[
01c712cb
ML		 3644if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3645 case $BUILD_CONFIG in
3646 bootstrap-debug)
3647 stage2_werror_flag="--enable-werror-always" ;;
3648 "")
3649 stage2_werror_flag="--enable-werror-always" ;;
3650 esac
3651fi
afd88efc 3652])
01c712cb 3653
09a9c095 3654AC_SUBST(stage2_werror_flag)
2805b53a 3655
f2689b09
SE		 3656# Specify what files to not compare during bootstrap.
3657
3658compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3659case "$target" in
3660 hppa*64*-*-hpux*) ;;
4f943869
MK		 3661 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;;
3662 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
f2689b09
SE		 3663esac
3664AC_SUBST(compare_exclusions)
3665
3e54529c
RW		 3666AC_CONFIG_FILES([Makefile],
3667 [sed "$extrasub_build" Makefile |
3668 sed "$extrasub_host" |
3669 sed "$extrasub_target" > mf$$
3670 mv -f mf$$ Makefile],
3671 [extrasub_build="$extrasub_build"
3672 extrasub_host="$extrasub_host"
3673 extrasub_target="$extrasub_target"])
3674AC_OUTPUT
GNU Compiler Collection
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