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beeaf216 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
ddc8de03 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014
8927b7c0 3# 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)
592c90ff
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
33ad93b9 31m4_include([config/isl.m4])
ad6717df 32
671aa708 33AC_INIT(move-if-change)
df58e648 34AC_PREREQ(2.64)
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
4a9bb2aa 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
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".
ddc8de03 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1"
5d4a5ee6 144
7743113b
AG		 145# libgcj represents the runtime libraries only used by gcj.
146libgcj="target-libffi \
7743113b 147 target-zlib \
7743113b
AG		 148 target-libjava"
149
6599da04
JM		 150# these libraries are built for the target environment, and are built after
151# the host libraries and the host tools (which may be a cross compiler)
8499116a 152# Note that libiberty is not a target library.
291f172e 153target_libraries="target-libgcc \
eff02e4f 154 target-libbacktrace \
5d4a5ee6
JL		 155 target-libgloss \
156 target-newlib \
6d3b5aea 157 target-libgomp \
3038054c 158 target-libcilkrts \
48310492 159 target-libatomic \
0a35513e 160 target-libitm \
cb543528 161 target-libstdc++-v3 \
f35db108 162 target-libsanitizer \
2077db1b 163 target-libvtv \
77008252 164 target-libssp \
1ec601bf 165 target-libquadmath \
6de9cd9a 166 target-libgfortran \
7cd0cf9c 167 target-boehm-gc \
77d187bc 168 ${libgcj} \
d9cdb878 169 target-libobjc \
632e2a07
ILT		 170 target-libada \
171 target-libgo"
6599da04 172
4dbda6f0
NN		 173# these tools are built using the target libraries, and are intended to
174# run only in the target environment
6599da04 175#
4dbda6f0 176# note: any program that *uses* libraries that are in the "target_libraries"
1bcce263 177# list belongs in this list.
6599da04 178#
85bfb75e 179target_tools="target-rda"
6599da04
JM		 180
181################################################################################
182
6599da04
JM		 183## All tools belong in one of the four categories, and are assigned above
184## We assign ${configdirs} this way to remove all embedded newlines. This
185## is important because configure will choke if they ever get through.
186## ${configdirs} is directories we build using the host tools.
187## ${target_configdirs} is directories we build using the target tools.
6599da04 188configdirs=`echo ${host_libs} ${host_tools}`
4dbda6f0 189target_configdirs=`echo ${target_libraries} ${target_tools}`
71b5d516 190build_configdirs=`echo ${build_libs} ${build_tools}`
8b87bb96 191
ac9e6043 192m4_divert_text([PARSE_ARGS],
87841584
AM		 193[case $srcdir in
194 *" "*)
195m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
196 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
197m4_popdef([AS_MESSAGE_LOG_FD])dnl
198 ;;
199esac
200ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
ac9e6043
RW		 201])
202
6599da04
JM		 203################################################################################
204
6599da04
JM		 205srcname="gnu development package"
206
207# This gets set non-empty for some net releases of packages.
208appdirs=""
209
e1848dde
NN		 210# Define is_cross_compiler to save on calls to 'test'.
211is_cross_compiler=
212if test x"${host}" = x"${target}" ; then
213 is_cross_compiler=no
214else
215 is_cross_compiler=yes
216fi
217
b4acb5ef 218# Find the build and target subdir names.
8b87bb96 219GCC_TOPLEV_SUBDIRS
0db770bd
RW		 220# Be sure to cover against remnants of an in-tree build.
221if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
222 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
223Use a pristine source tree when building in a separate tree])
224fi
f653f0ab 225
55380b08
NN		 226# Skipdirs are removed silently.
227skipdirs=
228# Noconfigdirs are removed loudly.
229noconfigdirs=""
6599da04 230
55380b08
NN		 231use_gnu_ld=
232# Make sure we don't let GNU ld be added if we didn't want it.
233if test x$with_gnu_ld = xno ; then
234 use_gnu_ld=no
5afab7ad 235 noconfigdirs="$noconfigdirs ld gold"
6599da04
JM		 236fi
237
55380b08
NN		 238use_gnu_as=
239# Make sure we don't let GNU as be added if we didn't want it.
240if test x$with_gnu_as = xno ; then
241 use_gnu_as=no
242 noconfigdirs="$noconfigdirs gas"
6599da04
JM		 243fi
244
d7f09764
DN		 245use_included_zlib=
246# Make sure we don't let ZLIB be added if we didn't want it.
247if test x$with_system_zlib = xyes ; then
248 use_included_zlib=no
249 noconfigdirs="$noconfigdirs zlib"
250fi
251
55380b08
NN		 252# some tools are so dependent upon X11 that if we're not building with X,
253# it's not even worth trying to configure, much less build, that tool.
6599da04 254
55380b08
NN		 255case ${with_x} in
256 yes | "") ;; # the default value for this tree is that X11 is available
423ce3eb 257 no)
b4f96efe 258 skipdirs="${skipdirs} tk itcl libgui"
423ce3eb
NN		 259 # We won't be able to build gdbtk without X.
260 enable_gdbtk=no
261 ;;
55380b08
NN		 262 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
263esac
6599da04 264
1bcce263 265# Some are only suitable for cross toolchains.
95ddd785
NN		 266# Remove these if host=target.
267cross_only="target-libgloss target-newlib target-opcodes"
6599da04 268
55380b08
NN		 269case $is_cross_compiler in
270 no) skipdirs="${skipdirs} ${cross_only}" ;;
55380b08 271esac
6599da04 272
0c639b89
DD		 273# If both --with-headers and --with-libs are specified, default to
274# --without-newlib.
9082a750
MR		 275if test x"${with_headers}" != x && test x"${with_headers}" != xno \
276 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
0c639b89
DD		 277 if test x"${with_newlib}" = x ; then
278 with_newlib=no
279 fi
280fi
281
282# Recognize --with-newlib/--without-newlib.
283case ${with_newlib} in
284 no) skipdirs="${skipdirs} target-newlib" ;;
285 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
286esac
287
85c64bbe
BS		 288AC_ARG_ENABLE(as-accelerator-for,
289[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
290 [build as offload target compiler.
291 Specify offload host triple by ARG])],
292ENABLE_AS_ACCELERATOR_FOR=$enableval,
293ENABLE_AS_ACCELERATOR_FOR=no)
294
295AC_ARG_ENABLE(offload-targets,
296[AS_HELP_STRING([--enable-offload-targets=LIST],
297 [enable offloading to devices from comma-separated LIST of
298 TARGET[=DIR]. Use optional path to find offload target compiler
299 during the build])],
300[
301 if test x"$enable_offload_targets" = x; then
302 AC_MSG_ERROR([no offload targets specified])
303 fi
304], [enable_offload_targets=])
305
21539e2e
MK		 306# Handle --enable-gold, --enable-ld.
307# --disable-gold [--enable-ld]
308# Build only ld. Default option.
9580395f
L		 309# --enable-gold [--enable-ld]
310# Build both gold and ld. Install gold as "ld.gold", install ld
311# as "ld.bfd" and "ld".
312# --enable-gold=default [--enable-ld]
21539e2e
MK		 313# Build both gold and ld. Install gold as "ld.gold" and "ld",
314# install ld as "ld.bfd".
315# --enable-gold[=default] --disable-ld
316# Build only gold, which is then installed as both "ld.gold" and "ld".
317# --enable-gold --enable-ld=default
9580395f
L		 318# Build both gold (installed as "ld.gold") and ld (installed as "ld"
319# and ld.bfd).
21539e2e
MK		 320# In other words, ld is default
321# --enable-gold=default --enable-ld=default
322# Error.
323
324default_ld=
5afab7ad 325AC_ARG_ENABLE(gold,
33e39b66
AS		 326[AS_HELP_STRING([[--enable-gold[=ARG]]],
327 [build gold @<:@ARG={default,yes,no}@:>@])],
5afab7ad
ILT		 328ENABLE_GOLD=$enableval,
329ENABLE_GOLD=no)
21539e2e
MK		 330case "${ENABLE_GOLD}" in
331 yes|default)
38e3d868
RM		 332 # Check for ELF target.
333 is_elf=no
334 case "${target}" in
335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
0e76460f 336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
8c6d158a 337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
ff4b7a7e 338 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
38e3d868
RM		 339 case "${target}" in
340 *-*-linux*aout* | *-*-linux*oldld*)
341 ;;
342 *)
343 is_elf=yes
344 ;;
345 esac
346 esac
347
348 if test "$is_elf" = "yes"; then
349 # Check for target supported by gold.
5afab7ad 350 case "${target}" in
7705dfd1
JY		 351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
352 | aarch64*-*-* | tilegx*-*-*)
21539e2e
MK		 353 configdirs="$configdirs gold"
354 if test x${ENABLE_GOLD} = xdefault; then
355 default_ld=gold
356 fi
38e3d868 357 ENABLE_GOLD=yes
5afab7ad
ILT		 358 ;;
359 esac
38e3d868
RM		 360 fi
361 ;;
362 no)
363 ;;
364 *)
365 AC_MSG_ERROR([invalid --enable-gold argument])
366 ;;
21539e2e
MK		 367esac
368
369AC_ARG_ENABLE(ld,
33e39b66
AS		 370[AS_HELP_STRING([[--enable-ld[=ARG]]],
371 [build ld @<:@ARG={default,yes,no}@:>@])],
21539e2e
MK		 372ENABLE_LD=$enableval,
373ENABLE_LD=yes)
374
375case "${ENABLE_LD}" in
376 default)
9580395f 377 if test x${default_ld} != x; then
21539e2e
MK		 378 AC_MSG_ERROR([either gold or ld can be the default ld])
379 fi
380 ;;
381 yes)
382 ;;
383 no)
384 if test x${ENABLE_GOLD} != xyes; then
385 AC_MSG_WARN([neither ld nor gold are enabled])
386 fi
387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
388 ;;
389 *)
390 AC_MSG_ERROR([invalid --enable-ld argument])
391 ;;
392esac
5afab7ad 393
6599da04
JM		 394# Configure extra directories which are host specific
395
396case "${host}" in
55380b08 397 *-cygwin*)
4977bab6 398 configdirs="$configdirs libtermcap" ;;
6599da04
JM		 399esac
400
4fab7234
HPN		 401# A target can indicate whether a language isn't supported for some reason.
402# Only spaces may be used in this macro; not newlines or tabs.
403unsupported_languages=
404
6599da04
JM		 405# Remove more programs from consideration, based on the host or
406# target this usually means that a port of the program doesn't
407# exist yet.
408
6599da04 409case "${host}" in
111eeb6e 410 i[[3456789]]86-*-msdosdjgpp*)
c9bdb152 411 noconfigdirs="$noconfigdirs tcl tk itcl"
5d4a5ee6 412 ;;
6599da04
JM		 413esac
414
6de9cd9a 415
87e6d9dc
TB		 416AC_ARG_ENABLE(libquadmath,
417AS_HELP_STRING([--disable-libquadmath],
418 [do not build libquadmath directory]),
419ENABLE_LIBQUADMATH=$enableval,
420ENABLE_LIBQUADMATH=yes)
421if test "${ENABLE_LIBQUADMATH}" = "no" ; then
422 noconfigdirs="$noconfigdirs target-libquadmath"
423fi
424
425
426AC_ARG_ENABLE(libquadmath-support,
427AS_HELP_STRING([--disable-libquadmath-support],
428 [disable libquadmath support for Fortran]),
429ENABLE_LIBQUADMATH_SUPPORT=$enableval,
430ENABLE_LIBQUADMATH_SUPPORT=yes)
431enable_libquadmath_support=
432if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
433 enable_libquadmath_support=no
434fi
435
436
d9cdb878 437AC_ARG_ENABLE(libada,
33e39b66 438[AS_HELP_STRING([--enable-libada], [build libada directory])],
d9cdb878
AC		 439ENABLE_LIBADA=$enableval,
440ENABLE_LIBADA=yes)
441if test "${ENABLE_LIBADA}" != "yes" ; then
5395b47b 442 noconfigdirs="$noconfigdirs gnattools"
d9cdb878
AC		 443fi
444
ef0087a7 445AC_ARG_ENABLE(libssp,
33e39b66 446[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ef0087a7
KH		 447ENABLE_LIBSSP=$enableval,
448ENABLE_LIBSSP=yes)
ef0087a7 449
2588b26e
RM		 450AC_ARG_ENABLE(libstdcxx,
451AS_HELP_STRING([--disable-libstdcxx],
452 [do not build libstdc++-v3 directory]),
453ENABLE_LIBSTDCXX=$enableval,
454ENABLE_LIBSTDCXX=default)
455[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1007a55c 456 noconfigdirs="$noconfigdirs target-libstdc++-v3"
2588b26e
RM		 457fi]
458
8343765d
AO		 459# Save it here so that, even in case of --enable-libgcj, if the Java
460# front-end isn't enabled, we still get libgcj disabled.
461libgcj_saved=$libgcj
462case $enable_libgcj in
463yes)
464 # If we reset it here, it won't get added to noconfigdirs in the
465 # target-specific build rules, so it will be forcibly enabled
466 # (unless the Java language itself isn't enabled).
467 libgcj=
468 ;;
469no)
470 # Make sure we get it printed in the list of not supported target libs.
4da3b0f8
ILT		 471 # Don't disable libffi, though, other languages use it.
472 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
d479b128
ILT		 473 # Clear libgcj_saved so that even if java is enabled libffi won't be
474 # built.
475 libgcj_saved=
8343765d
AO		 476 ;;
477esac
478
a4a2c37d
MK		 479AC_ARG_ENABLE(static-libjava,
480[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
481 [build static libjava @<:@default=no@:>@])],
482ENABLE_STATIC_LIBJAVA=$enableval,
483ENABLE_STATIC_LIBJAVA=no)
484enable_static_libjava=
485if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
486 enable_static_libjava=yes
487fi
488
489if test x$enable_static_libjava != xyes ; then
490 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
491fi
492AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
6de9cd9a 493
27079765
AH		 494# Disable libgomp on non POSIX hosted systems.
495if test x$enable_libgomp = x ; then
953ff289
DN		 496 # Enable libgomp by default on hosted POSIX systems.
497 case "${target}" in
416ac4d4 498 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
953ff289 499 ;;
8c6d158a 500 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
953ff289 501 ;;
b24513a1 502 *-*-solaris2* | *-*-hpux11*)
953ff289 503 ;;
cac90078 504 *-*-darwin* | *-*-aix*)
953ff289
DN		 505 ;;
506 *)
507 noconfigdirs="$noconfigdirs target-libgomp"
508 ;;
509 esac
27079765 510fi
953ff289 511
48310492
RH		 512# Disable libatomic on unsupported systems.
513if test -d ${srcdir}/libatomic; then
514 if test x$enable_libatomic = x; then
515 AC_MSG_CHECKING([for libatomic support])
516 if (srcdir=${srcdir}/libatomic; \
517 . ${srcdir}/configure.tgt; \
518 test -n "$UNSUPPORTED")
519 then
520 AC_MSG_RESULT([no])
521 noconfigdirs="$noconfigdirs target-libatomic"
522 else
523 AC_MSG_RESULT([yes])
524 fi
525 fi
526fi
527
3038054c
BI		 528# Disable libcilkrts on unsupported systems.
529if test -d ${srcdir}/libcilkrts; then
530 if test x$enable_libcilkrts = x; then
531 AC_MSG_CHECKING([for libcilkrts support])
532 if (srcdir=${srcdir}/libcilkrts; \
533 . ${srcdir}/configure.tgt; \
534 test -n "$UNSUPPORTED")
535 then
536 AC_MSG_RESULT([no])
537 noconfigdirs="$noconfigdirs target-libcilkrts"
538 else
539 AC_MSG_RESULT([yes])
540 fi
541 fi
542fi
543
e948157d
RH		 544# Disable libitm on unsupported systems.
545if test -d ${srcdir}/libitm; then
546 if test x$enable_libitm = x; then
547 AC_MSG_CHECKING([for libitm support])
548 if (srcdir=${srcdir}/libitm; \
549 . ${srcdir}/configure.tgt; \
550 test -n "$UNSUPPORTED")
551 then
552 AC_MSG_RESULT([no])
553 noconfigdirs="$noconfigdirs target-libitm"
554 else
555 AC_MSG_RESULT([yes])
556 fi
557 fi
0a35513e
AH		 558fi
559
93bf5390
RH		 560# Disable libsanitizer on unsupported systems.
561if test -d ${srcdir}/libsanitizer; then
562 if test x$enable_libsanitizer = x; then
563 AC_MSG_CHECKING([for libsanitizer support])
564 if (srcdir=${srcdir}/libsanitizer; \
565 . ${srcdir}/configure.tgt; \
566 test -n "$UNSUPPORTED")
567 then
568 AC_MSG_RESULT([no])
569 noconfigdirs="$noconfigdirs target-libsanitizer"
570 else
571 AC_MSG_RESULT([yes])
572 fi
573 fi
574fi
575
2077db1b
CT		 576# Disable libvtv on unsupported systems.
577if test -d ${srcdir}/libvtv; then
578 if test x$enable_libvtv = x; then
579 AC_MSG_CHECKING([for libvtv support])
580 if (srcdir=${srcdir}/libvtv; \
581 . ${srcdir}/configure.tgt; \
1e74b850 582 test "$VTV_SUPPORTED" != "yes")
2077db1b
CT		 583 then
584 AC_MSG_RESULT([no])
585 noconfigdirs="$noconfigdirs target-libvtv"
586 else
587 AC_MSG_RESULT([yes])
588 fi
589 fi
590fi
591
d7a29167
DE		 592# Disable libquadmath for some systems.
593case "${target}" in
e7fae550
DE		 594 avr-*-*)
595 noconfigdirs="$noconfigdirs target-libquadmath"
596 ;;
d7a29167
DE		 597 # libquadmath is unused on AIX and libquadmath build process use of
598 # LD_LIBRARY_PATH can break AIX bootstrap.
599 powerpc-*-aix* | rs6000-*-aix*)
600 noconfigdirs="$noconfigdirs target-libquadmath"
601 ;;
602esac
603
1e9e0e23
JM		 604# Disable libssp for some systems.
605case "${target}" in
606 avr-*-*)
b318fb4b 607 # No hosted I/O support.
1e9e0e23
JM		 608 noconfigdirs="$noconfigdirs target-libssp"
609 ;;
610 powerpc-*-aix* | rs6000-*-aix*)
611 noconfigdirs="$noconfigdirs target-libssp"
612 ;;
85b8555e
DD		 613 rl78-*-*)
614 # libssp uses a misaligned load to trigger a fault, but the RL78
615 # doesn't fault for those - instead, it gives a build-time error
616 # for explicit misaligned loads.
617 noconfigdirs="$noconfigdirs target-libssp"
618 ;;
1e9e0e23
JM		 619esac
620
1e9e0e23 621# Disable libstdc++-v3 for some systems.
2588b26e
RM		 622# Allow user to override this if they pass --enable-libstdc++-v3
623if test "${ENABLE_LIBSTDCXX}" = "default" ; then
624 case "${target}" in
625 *-*-vxworks*)
626 # VxWorks uses the Dinkumware C++ library.
627 noconfigdirs="$noconfigdirs target-libstdc++-v3"
628 ;;
629 arm*-wince-pe*)
630 # the C++ libraries don't build on top of CE's C libraries
631 noconfigdirs="$noconfigdirs target-libstdc++-v3"
632 ;;
633 avr-*-*)
634 noconfigdirs="$noconfigdirs target-libstdc++-v3"
635 ;;
636 esac
637fi
1e9e0e23
JM		 638
639# Disable Fortran for some systems.
640case "${target}" in
641 mmix-*-*)
642 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
643 unsupported_languages="$unsupported_languages fortran"
644 ;;
645esac
646
80f81134 647# Disable Java if libffi is not supported.
2909494b 648case "${target}" in
eb7062cf
AS		 649 aarch64-*-*)
650 ;;
80f81134
JM		 651 alpha*-*-*)
652 ;;
653 arm*-*-*)
654 ;;
655 cris-*-*)
656 ;;
657 frv-*-*)
658 ;;
659 hppa*-*-linux*)
660 ;;
661 hppa*-*-hpux*)
662 ;;
663 i?86-*-*)
664 ;;
665 ia64*-*-*)
666 ;;
667 m32r*-*-*)
668 ;;
669 m68k-*-*)
670 ;;
b24513a1 671 mips*-*-rtems*)
80f81134
JM		 672 ;;
673 mips*-*-linux*)
674 ;;
675 powerpc*-*-linux*)
676 ;;
677 powerpc-*-darwin*)
678 ;;
679 powerpc-*-aix* | rs6000-*-aix*)
680 ;;
681 powerpc-*-freebsd*)
682 ;;
683 powerpc64-*-freebsd*)
684 ;;
685 powerpc*-*-rtems*)
2909494b 686 ;;
80f81134
JM		 687 s390-*-* | s390x-*-*)
688 ;;
689 sh-*-* | sh[[34]]*-*-*)
690 ;;
691 sh64-*-* | sh5*-*-*)
692 ;;
693 sparc*-*-*)
694 ;;
695 x86_64-*-*)
696 ;;
697 *-*-*)
698 unsupported_languages="$unsupported_languages java"
699 ;;
700esac
701
702# Disable Java, libgcj or related libraries for some systems.
703case "${target}" in
2909494b
JM		 704 powerpc-*-darwin*)
705 ;;
706 i[[3456789]]86-*-darwin*)
707 ;;
708 x86_64-*-darwin[[912]]*)
709 ;;
710 *-*-darwin*)
711 noconfigdirs="$noconfigdirs ${libgcj}"
712 ;;
2909494b
JM		 713 *-*-netware*)
714 noconfigdirs="$noconfigdirs ${libgcj}"
715 ;;
716 *-*-rtems*)
717 noconfigdirs="$noconfigdirs ${libgcj}"
718 ;;
719 *-*-tpf*)
720 noconfigdirs="$noconfigdirs ${libgcj}"
721 ;;
722 *-*-uclinux*)
723 noconfigdirs="$noconfigdirs ${libgcj}"
724 ;;
725 *-*-vxworks*)
726 noconfigdirs="$noconfigdirs ${libgcj}"
727 ;;
2909494b
JM		 728 alpha*-*-*vms*)
729 noconfigdirs="$noconfigdirs ${libgcj}"
730 ;;
80f81134 731 arm-wince-pe)
2909494b
JM		 732 noconfigdirs="$noconfigdirs ${libgcj}"
733 ;;
2909494b
JM		 734 arm*-*-symbianelf*)
735 noconfigdirs="$noconfigdirs ${libgcj}"
736 ;;
2909494b 737 bfin-*-*)
2909494b
JM		 738 noconfigdirs="$noconfigdirs target-boehm-gc"
739 ;;
2909494b
JM		 740 cris-*-* | crisv32-*-*)
741 unsupported_languages="$unsupported_languages java"
742 case "${target}" in
743 *-*-linux*)
744 ;;
745 *) # See PR46792 regarding target-libffi.
746 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
747 esac
748 ;;
2909494b
JM		 749 hppa*64*-*-linux*)
750 # In this case, it's because the hppa64-linux target is for
751 # the kernel only at this point and has no libc, and thus no
752 # headers, crt*.o, etc., all of which are needed by these.
fddf9ee7 753 unsupported_languages="$unsupported_languages java"
2909494b 754 ;;
fddf9ee7 755 hppa*64*-*-hpux*)
2909494b
JM		 756 noconfigdirs="$noconfigdirs ${libgcj}"
757 ;;
758 hppa*-hp-hpux11*)
759 ;;
fddf9ee7 760 hppa*-*-hpux*)
2909494b
JM		 761 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
762 # build on HP-UX 10.20.
763 noconfigdirs="$noconfigdirs ${libgcj}"
764 ;;
2909494b
JM		 765 ia64*-*-*vms*)
766 noconfigdirs="$noconfigdirs ${libgcj}"
767 ;;
2909494b
JM		 768 i[[3456789]]86-w64-mingw*)
769 noconfigdirs="$noconfigdirs ${libgcj}"
770 ;;
771 i[[3456789]]86-*-mingw*)
772 noconfigdirs="$noconfigdirs ${libgcj}"
773 ;;
774 x86_64-*-mingw*)
775 noconfigdirs="$noconfigdirs ${libgcj}"
776 ;;
2909494b
JM		 777 mmix-*-*)
778 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
2909494b
JM		 779 ;;
780 powerpc-*-aix*)
781 # copied from rs6000-*-* entry
782 noconfigdirs="$noconfigdirs ${libgcj}"
783 ;;
2909494b
JM		 784 rs6000-*-aix*)
785 noconfigdirs="$noconfigdirs ${libgcj}"
786 ;;
2909494b
JM		 787 *-*-lynxos*)
788 noconfigdirs="$noconfigdirs ${libgcj}"
1335a8ca 789 ;;
2909494b
JM		 790esac
791
1335a8ca
JBG		 792# Disable the go frontend on systems where it is known to not work. Please keep
793# this in sync with contrib/config-list.mk.
74cc5471
ILT		 794case "${target}" in
795*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
796 unsupported_languages="$unsupported_languages go"
797 ;;
798esac
799
cdbc9e92
ILT		 800# Disable libgo for some systems where it is known to not work.
801# For testing, you can easily override this with --enable-libgo.
802if test x$enable_libgo = x; then
803 case "${target}" in
804 *-*-darwin*)
805 # PR 46986
806 noconfigdirs="$noconfigdirs target-libgo"
807 ;;
808 *-*-cygwin* | *-*-mingw*)
809 noconfigdirs="$noconfigdirs target-libgo"
810 ;;
811 *-*-aix*)
812 noconfigdirs="$noconfigdirs target-libgo"
813 ;;
814 esac
815fi
816
c03353e2
RIL		 817# Default libgloss CPU subdirectory.
818libgloss_dir="$target_cpu"
6de9cd9a 819
fbcf0dca
JM		 820case "${target}" in
821 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
822 libgloss_dir=wince
823 ;;
4dddfc74
YZ		 824 aarch64*-*-* )
825 libgloss_dir=aarch64
826 ;;
fbcf0dca
JM		 827 arm*-*-*)
828 libgloss_dir=arm
829 ;;
830 cris-*-* | crisv32-*-*)
831 libgloss_dir=cris
832 ;;
833 hppa*-*-*)
834 libgloss_dir=pa
835 ;;
836 i[[3456789]]86-*-*)
837 libgloss_dir=i386
838 ;;
839 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
840 libgloss_dir=m68hc11
841 ;;
842 m68*-*-* | fido-*-*)
843 libgloss_dir=m68k
844 ;;
845 mips*-*-*)
846 libgloss_dir=mips
847 ;;
848 powerpc*-*-*)
849 libgloss_dir=rs6000
850 ;;
851 sparc*-*-*)
852 libgloss_dir=sparc
853 ;;
854esac
855
6a789d5e 856# Disable newlib and libgloss for various target OSes.
6599da04 857case "${target}" in
6a789d5e
JM		 858 alpha*-dec-osf*)
859 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
860 ;;
861 i[[3456789]]86-*-linux*)
862 # This section makes it possible to build newlib natively on linux.
863 # If we are using a cross compiler then don't configure newlib.
864 if test x${is_cross_compiler} != xno ; then
865 noconfigdirs="$noconfigdirs target-newlib"
866 fi
867 noconfigdirs="$noconfigdirs target-libgloss"
868 # If we are not using a cross compiler, do configure newlib.
869 # Note however, that newlib will only be configured in this situation
870 # if the --with-newlib option has been given, because otherwise
871 # 'target-newlib' will appear in skipdirs.
872 ;;
873 i[[3456789]]86-*-rdos*)
874 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 ;;
876 sh*-*-pe|mips*-*-pe|arm-wince-pe)
877 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
878 ;;
879 sparc-*-sunos4*)
880 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
881 ;;
882 *-*-aix*)
883 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 ;;
885 *-*-beos*)
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 ;;
3fa03ff9 888 *-*-chorusos)
0036370f 889 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
3fa03ff9 890 ;;
6a789d5e
JM		 891 *-*-dragonfly*)
892 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
893 ;;
894 *-*-freebsd*)
895 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
896 ;;
897 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
898 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
899 ;;
900 *-*-lynxos*)
901 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 ;;
903 *-*-mingw*)
904 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
905 ;;
906 *-*-netbsd*)
907 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
908 ;;
909 *-*-netware*)
910 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
911 ;;
912 *-*-tpf*)
913 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
914 ;;
915 *-*-uclinux*)
916 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
917 ;;
918 *-*-vxworks*)
919 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
920 ;;
921esac
922
923case "${target}" in
924 *-*-chorusos)
925 ;;
75eeae1a 926 powerpc-*-darwin*)
e1514c3f 927 noconfigdirs="$noconfigdirs ld gas gdb gprof"
9c8f9ec2 928 noconfigdirs="$noconfigdirs sim target-rda"
940cde4d 929 ;;
354ebf88
RW		 930 i[[3456789]]86-*-darwin*)
931 noconfigdirs="$noconfigdirs ld gprof"
932 noconfigdirs="$noconfigdirs sim target-rda"
933 ;;
934 x86_64-*-darwin[[912]]*)
0db3a858
TG		 935 noconfigdirs="$noconfigdirs ld gas gprof"
936 noconfigdirs="$noconfigdirs sim target-rda"
937 ;;
42c1cd8a
AT		 938 *-*-darwin*)
939 noconfigdirs="$noconfigdirs ld gas gdb gprof"
940 noconfigdirs="$noconfigdirs sim target-rda"
42c1cd8a 941 ;;
8c6d158a 942 *-*-dragonfly*)
8c6d158a 943 ;;
c3f84f61 944 *-*-freebsd*)
6de9cd9a
DN		 945 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
946 && test -f /usr/local/include/gmp.h; then
947 with_gmp=/usr/local
948 fi
6de9cd9a 949 ;;
ef4e7569
US		 950 *-*-kaos*)
951 # Remove unsupported stuff on all kaOS configurations.
ef4e7569
US		 952 noconfigdirs="$noconfigdirs target-libgloss"
953 ;;
51584787 954 *-*-netbsd*)
51584787 955 ;;
61fec9ff 956 *-*-netware*)
6599da04 957 ;;
3fbc0b70 958 *-*-rtems*)
2909494b 959 noconfigdirs="$noconfigdirs target-libgloss"
3fbc0b70 960 ;;
a8ba31f2
EC		 961 # The tpf target doesn't support gdb yet.
962 *-*-tpf*)
6a789d5e 963 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
a8ba31f2 964 ;;
5785c0ed 965 *-*-uclinux*)
6a789d5e 966 noconfigdirs="$noconfigdirs target-rda"
5785c0ed 967 ;;
6599da04 968 *-*-vxworks*)
6599da04 969 ;;
b104e095 970 alpha*-dec-osf*)
603606e7 971 # ld works, but does not support shared libraries.
6599da04 972 # gas doesn't generate exception information.
6a789d5e 973 noconfigdirs="$noconfigdirs gas ld"
6599da04
JM		 974 ;;
975 alpha*-*-*vms*)
2909494b 976 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
6599da04
JM		 977 ;;
978 alpha*-*-*)
979 # newlib is not 64 bit ready
2909494b 980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 981 ;;
3a685f6f 982 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
b4f96efe 983 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
3a685f6f 984 ;;
53426f6c 985 arc-*-*|arceb-*-*)
ebb9f8b0 986 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef 987 ;;
6599da04 988 arm-*-pe*)
2909494b 989 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 990 ;;
5d4a5ee6 991 arm-*-riscix*)
0036370f 992 noconfigdirs="$noconfigdirs ld target-libgloss"
5d4a5ee6 993 ;;
b588ae30
GJL		 994 avr-*-rtems*)
995 ;;
996 avr-*-*)
997 if test x${with_avrlibc} != xno; then
998 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
999 fi
1000 ;;
a5a438f5 1001 c4x-*-* | tic4x-*-*)
0036370f 1002 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1003 ;;
0036370f
JM		 1004 tic54x-*-*)
1005 noconfigdirs="$noconfigdirs target-libgloss gdb"
ab50d72b 1006 ;;
6599da04 1007 d10v-*-*)
0036370f 1008 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef
JM		 1009 ;;
1010 d30v-*-*)
0036370f 1011 noconfigdirs="$noconfigdirs gdb"
6599da04 1012 ;;
09b5f8bf 1013 fr30-*-elf*)
2909494b 1014 noconfigdirs="$noconfigdirs gdb"
09b5f8bf 1015 ;;
55f2d967 1016 moxie-*-*)
55f2d967
AG		 1017 noconfigdirs="$noconfigdirs gprof"
1018 ;;
ab50d72b 1019 h8300*-*-*)
2909494b 1020 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1021 ;;
6599da04 1022 h8500-*-*)
0036370f 1023 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1024 ;;
9d069a4f 1025 hppa1.1-*-osf* | hppa1.1-*-bsd* )
9d069a4f 1026 ;;
4569f85e 1027 hppa*64*-*-linux*)
cdbff0ab 1028 ;;
56f8587a 1029 hppa*-*-linux*)
3e732ba0 1030 ;;
6599da04 1031 hppa*-*-*elf* | \
bae29210 1032 hppa*-*-lites* | \
66350331 1033 hppa*-*-openbsd* | \
bae29210 1034 hppa*64*-*-*)
6599da04 1035 ;;
2a332582 1036 hppa*-hp-hpux11*)
1bcce263 1037 noconfigdirs="$noconfigdirs ld"
2a332582 1038 ;;
c03353e2 1039 hppa*-*-pro*)
c03353e2 1040 ;;
6599da04 1041 hppa*-*-*)
2909494b 1042 noconfigdirs="$noconfigdirs ld"
d207ebef 1043 ;;
fb87ad5d 1044 i960-*-*)
0036370f 1045 noconfigdirs="$noconfigdirs gdb"
fb87ad5d 1046 ;;
d207ebef
JM		 1047 ia64*-*-elf*)
1048 # No gdb support yet.
1bcce263 1049 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
d207ebef 1050 ;;
ab50d72b 1051 ia64*-**-hpux*)
5a2931d1 1052 # No ld support yet.
2909494b 1053 noconfigdirs="$noconfigdirs libgui itcl ld"
ab50d72b 1054 ;;
52535a64 1055 ia64*-*-*vms*)
091fe9ca
TG		 1056 # No ld support yet.
1057 noconfigdirs="$noconfigdirs libgui itcl ld"
52535a64 1058 ;;
ef4c4300 1059 i[[3456789]]86-w64-mingw*)
ef4c4300
KT		 1060 ;;
1061 i[[3456789]]86-*-mingw*)
b91f0a41 1062 target_configdirs="$target_configdirs target-winsup"
5d571eaa 1063 ;;
d207ebef
JM		 1064 *-*-cygwin*)
1065 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1bcce263 1066 noconfigdirs="$noconfigdirs target-libgloss"
801e2270 1067 # always build newlib if winsup directory is present.
b91f0a41 1068 if test -d "$srcdir/winsup/cygwin"; then
801e2270 1069 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
c8e6cd41 1070 elif test -d "$srcdir/newlib"; then
b91f0a41 1071 echo "Warning: winsup/cygwin is missing so newlib can't be built."
801e2270 1072 fi
5d571eaa 1073 ;;
f2a0e225 1074 i[[3456789]]86-*-pe)
ebb9f8b0 1075 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1076 ;;
f2a0e225 1077 i[[3456789]]86-*-sco3.2v5*)
6599da04
JM		 1078 # The linker does not yet know about weak symbols in COFF,
1079 # and is not configured to handle mixed ELF and COFF.
0036370f 1080 noconfigdirs="$noconfigdirs ld target-libgloss"
6599da04 1081 ;;
f2a0e225 1082 i[[3456789]]86-*-sco*)
0036370f 1083 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1084 ;;
fbdd5d87 1085 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
7c01b2b5 1086 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1087 ;;
f2a0e225 1088 i[[3456789]]86-*-sysv4*)
0036370f 1089 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1090 ;;
f2a0e225 1091 i[[3456789]]86-*-beos*)
6a789d5e 1092 noconfigdirs="$noconfigdirs gdb"
3aa83176 1093 ;;
d1f8db0c 1094 i[[3456789]]86-*-rdos*)
6a789d5e 1095 noconfigdirs="$noconfigdirs gdb"
c03353e2 1096 ;;
d344dce9 1097 mmix-*-*)
2909494b 1098 noconfigdirs="$noconfigdirs gdb"
d344dce9 1099 ;;
ab34901f 1100 mt-*-*)
79dd769c
AH		 1101 noconfigdirs="$noconfigdirs sim"
1102 ;;
6599da04
JM		 1103 powerpc-*-aix*)
1104 # copied from rs6000-*-* entry
6a789d5e 1105 noconfigdirs="$noconfigdirs gprof"
6599da04 1106 ;;
4569f85e 1107 powerpc*-*-winnt* | powerpc*-*-pe*)
6599da04 1108 target_configdirs="$target_configdirs target-winsup"
0036370f 1109 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
6599da04
JM		 1110 # always build newlib.
1111 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1112 ;;
1113 # This is temporary until we can link against shared libraries
1114 powerpcle-*-solaris*)
0036370f 1115 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
6599da04 1116 ;;
0da3b5a7 1117 powerpc-*-beos*)
6a789d5e 1118 noconfigdirs="$noconfigdirs gdb"
d207ebef 1119 ;;
6599da04 1120 rs6000-*-lynxos*)
6a789d5e 1121 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1122 ;;
1123 rs6000-*-aix*)
6a789d5e 1124 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1125 ;;
1126 rs6000-*-*)
2909494b 1127 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1128 ;;
1129 m68k-apollo-*)
0036370f 1130 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
6599da04 1131 ;;
ca9fe997 1132 microblaze*)
2909494b 1133 noconfigdirs="$noconfigdirs gprof"
ca9fe997 1134 ;;
d91491e5 1135 mips*-sde-elf* | mips*-mti-elf*)
d9dced13
RS		 1136 if test x$with_newlib = xyes; then
1137 noconfigdirs="$noconfigdirs gprof"
1138 fi
d9dced13 1139 ;;
6599da04 1140 mips*-*-irix5*)
0036370f 1141 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04
JM		 1142 ;;
1143 mips*-*-irix6*)
2909494b 1144 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1145 ;;
6599da04 1146 mips*-*-bsd*)
bc98bcc4 1147 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
6599da04 1148 ;;
9bec4bf0 1149 mips*-*-linux*)
9bec4bf0 1150 ;;
bc98bcc4
JBG		 1151 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1152 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1153 noconfigdirs="$noconfigdirs ld gas gprof"
1154 ;;
6599da04 1155 mips*-*-*)
2909494b 1156 noconfigdirs="$noconfigdirs gprof"
6599da04 1157 ;;
738f2522
BS		 1158 nvptx*-*-*)
1159 # nvptx is just a compiler
1160 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1161 ;;
669f01d8 1162 sh-*-* | sh64-*-*)
ea2002ba
CB		 1163 case "${target}" in
1164 sh*-*-elf)
2909494b 1165 ;;
ea2002ba 1166 *)
2909494b 1167 noconfigdirs="$noconfigdirs target-libgloss" ;;
ea2002ba 1168 esac
6599da04
JM		 1169 ;;
1170 sparc-*-sunos4*)
6a789d5e 1171 if test x${is_cross_compiler} = xno ; then
6599da04
JM		 1172 use_gnu_ld=no
1173 fi
1174 ;;
b42f0d7e 1175 tic6x-*-*)
0d557ff8 1176 noconfigdirs="$noconfigdirs sim"
b42f0d7e 1177 ;;
341c653c 1178 tilepro*-*-* | tilegx*-*-*)
db1d217c
WL		 1179 noconfigdirs="$noconfigdirs sim"
1180 ;;
6599da04 1181 v810-*-*)
0036370f 1182 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
6599da04
JM		 1183 ;;
1184 vax-*-*)
2909494b 1185 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1186 ;;
6599da04
JM		 1187esac
1188
6599da04
JM		 1189# If we aren't building newlib, then don't build libgloss, since libgloss
1190# depends upon some newlib header files.
1191case "${noconfigdirs}" in
1192 *target-libgloss*) ;;
1193 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
55380b08 1194esac
6599da04 1195
55380b08 1196# Work in distributions that contain no compiler tools, like Autoconf.
671aa708 1197host_makefile_frag=/dev/null
55380b08
NN		 1198if test -d ${srcdir}/config ; then
1199case "${host}" in
f2a0e225 1200 i[[3456789]]86-*-msdosdjgpp*)
55380b08
NN		 1201 host_makefile_frag="config/mh-djgpp"
1202 ;;
1203 *-cygwin*)
2a79c47f 1204 ACX_CHECK_CYGWIN_CAT_WORKS
55380b08
NN		 1205 host_makefile_frag="config/mh-cygwin"
1206 ;;
c53a18d3 1207 *-mingw*)
1f5a6b84 1208 host_makefile_frag="config/mh-mingw"
738a52d3 1209 ;;
7b7f941a
UB		 1210 alpha*-*-linux*)
1211 host_makefile_frag="config/mh-alpha-linux"
1212 ;;
00afcaa0 1213 hppa*-hp-hpux10*)
00afcaa0 1214 host_makefile_frag="config/mh-pa-hpux10"
55380b08 1215 ;;
111eeb6e 1216 hppa*-hp-hpux*)
00afcaa0
PB		 1217 host_makefile_frag="config/mh-pa"
1218 ;;
1219 hppa*-*)
1220 host_makefile_frag="config/mh-pa"
1221 ;;
d8ed14ce
IS		 1222 *-*-darwin*)
1223 host_makefile_frag="config/mh-darwin"
be8fff81 1224 ;;
d19bca38
PB		 1225 powerpc-*-aix*)
1226 host_makefile_frag="config/mh-ppc-aix"
1227 ;;
1228 rs6000-*-aix*)
1229 host_makefile_frag="config/mh-ppc-aix"
1230 ;;
55380b08
NN		 1231esac
1232fi
1233
e4c9c075 1234if test "${build}" != "${host}" ; then
0999159b
PB		 1235 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1236 AS_FOR_BUILD=${AS_FOR_BUILD-as}
e4c9c075 1237 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
0999159b
PB		 1238 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1239 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1240 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
632e2a07 1241 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
0999159b
PB		 1242 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1243 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1244 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1245 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1246 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1247 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
e4c9c075 1248else
0999159b
PB		 1249 AR_FOR_BUILD="\$(AR)"
1250 AS_FOR_BUILD="\$(AS)"
e4c9c075 1251 CC_FOR_BUILD="\$(CC)"
0999159b
PB		 1252 CXX_FOR_BUILD="\$(CXX)"
1253 GCJ_FOR_BUILD="\$(GCJ)"
1254 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
632e2a07 1255 GOC_FOR_BUILD="\$(GOC)"
0999159b
PB		 1256 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1257 LD_FOR_BUILD="\$(LD)"
1258 NM_FOR_BUILD="\$(NM)"
1259 RANLIB_FOR_BUILD="\$(RANLIB)"
1260 WINDRES_FOR_BUILD="\$(WINDRES)"
1261 WINDMC_FOR_BUILD="\$(WINDMC)"
c3a86da9 1262fi
e4c9c075 1263
c3a86da9
DJ		 1264AC_PROG_CC
1265AC_PROG_CXX
1266
1267# We must set the default linker to the linker used by gcc for the correct
1268# operation of libtool. If LD is not defined and we are using gcc, try to
1269# set the LD default to the ld used by gcc.
1270if test -z "$LD"; then
1271 if test "$GCC" = yes; then
1272 case $build in
1273 *-*-mingw*)
1274 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1275 *)
1276 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1277 esac
1278 case $gcc_prog_ld in
1279 # Accept absolute paths.
1280 [[\\/]* | [A-Za-z]:[\\/]*)]
1281 LD="$gcc_prog_ld" ;;
1282 esac
1283 fi
e4c9c075
PB		 1284fi
1285
0b21f5d3
EB		 1286# Check whether -static-libstdc++ -static-libgcc is supported.
1287have_static_libs=no
1288if test "$GCC" = yes; then
1289 saved_LDFLAGS="$LDFLAGS"
1290
1291 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1292 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1293 AC_LANG_PUSH(C++)
0d6414b2
EB		 1294 AC_LINK_IFELSE([
1295#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1296#error -static-libstdc++ not implemented
1297#endif
1298int main() {}],
0b21f5d3
EB		 1299 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1300 [AC_MSG_RESULT([no])])
1301 AC_LANG_POP(C++)
1302
1303 LDFLAGS="$saved_LDFLAGS"
1304fi
1305
e4c9c075 1306ACX_PROG_GNAT
a76494aa 1307ACX_PROG_CMP_IGNORE_INITIAL
e4c9c075 1308
ff3ac0f4
ILT		 1309AC_ARG_ENABLE([bootstrap],
1310[AS_HELP_STRING([--enable-bootstrap],
1311 [enable bootstrapping @<:@yes if native build@:>@])],,
1312enable_bootstrap=default)
1313
1314# Issue errors and warnings for invalid/strange bootstrap combinations.
bf03b9ff
ILT		 1315if test -r $srcdir/gcc/configure; then
1316 have_compiler=yes
1317else
1318 have_compiler=no
1319fi
ff3ac0f4
ILT		 1320
1321case "$have_compiler:$host:$target:$enable_bootstrap" in
1322 *:*:*:no) ;;
1323
1324 # Default behavior. Enable bootstrap if we have a compiler
1325 # and we are in a native configuration.
1326 yes:$build:$build:default)
1327 enable_bootstrap=yes ;;
1328
1329 *:*:*:default)
1330 enable_bootstrap=no ;;
1331
1332 # We have a compiler and we are in a native configuration, bootstrap is ok
1333 yes:$build:$build:yes)
1334 ;;
1335
1336 # Other configurations, but we have a compiler. Assume the user knows
1337 # what he's doing.
1338 yes:*:*:yes)
1339 AC_MSG_WARN([trying to bootstrap a cross compiler])
1340 ;;
1341
1342 # No compiler: if they passed --enable-bootstrap explicitly, fail
1343 no:*:*:yes)
1344 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1345
1346 # Fail if wrong command line
1347 *)
1348 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1349 ;;
1350esac
1351
592c90ff
KG		 1352# Used for setting $lt_cv_objdir
1353_LT_CHECK_OBJDIR
1354
acd26225 1355# Check for GMP, MPFR and MPC
3a5729ea 1356gmplibs="-lmpc -lmpfr -lgmp"
6de9cd9a 1357gmpinc=
e69bf64b 1358have_gmp=no
acd26225
KG		 1359
1360# Specify a location for mpc
1361# check for this first so it ends up on the link line before mpfr.
33e39b66
AS		 1362AC_ARG_WITH(mpc,
1363[AS_HELP_STRING([--with-mpc=PATH],
1364 [specify prefix directory for installed MPC package.
1365 Equivalent to --with-mpc-include=PATH/include
1366 plus --with-mpc-lib=PATH/lib])])
1367AC_ARG_WITH(mpc-include,
1368[AS_HELP_STRING([--with-mpc-include=PATH],
1369 [specify directory for installed MPC include files])])
1370AC_ARG_WITH(mpc-lib,
1371[AS_HELP_STRING([--with-mpc-lib=PATH],
1372 [specify directory for the installed MPC library])])
acd26225
KG		 1373
1374if test "x$with_mpc" != x; then
3a5729ea
KG		 1375 gmplibs="-L$with_mpc/lib $gmplibs"
1376 gmpinc="-I$with_mpc/include $gmpinc"
acd26225
KG		 1377fi
1378if test "x$with_mpc_include" != x; then
3a5729ea 1379 gmpinc="-I$with_mpc_include $gmpinc"
acd26225
KG		 1380fi
1381if test "x$with_mpc_lib" != x; then
3a5729ea 1382 gmplibs="-L$with_mpc_lib $gmplibs"
acd26225
KG		 1383fi
1384if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
592c90ff 1385 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
3a5729ea 1386 gmpinc='-I$$s/mpc/src '"$gmpinc"
acd26225
KG		 1387 # Do not test the mpc version. Assume that it is sufficient, since
1388 # it is in the source tree, and the library has not been built yet
1389 # but it would be included on the link line in the version check below
1390 # hence making the test fail.
3a5729ea 1391 have_gmp=yes
acd26225 1392fi
e69bf64b 1393
bebf829d
PB		 1394# Specify a location for mpfr
1395# check for this first so it ends up on the link line before gmp.
33e39b66
AS		 1396AC_ARG_WITH(mpfr-dir,
1397[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1398[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1399Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1400
1401AC_ARG_WITH(mpfr,
1402[AS_HELP_STRING([--with-mpfr=PATH],
1403 [specify prefix directory for installed MPFR package.
1404 Equivalent to --with-mpfr-include=PATH/include
1405 plus --with-mpfr-lib=PATH/lib])])
1406AC_ARG_WITH(mpfr-include,
1407[AS_HELP_STRING([--with-mpfr-include=PATH],
1408 [specify directory for installed MPFR include files])])
1409AC_ARG_WITH(mpfr-lib,
1410[AS_HELP_STRING([--with-mpfr-lib=PATH],
1411 [specify directory for the installed MPFR library])])
bebf829d
PB		 1412
1413if test "x$with_mpfr" != x; then
1414 gmplibs="-L$with_mpfr/lib $gmplibs"
3a5729ea 1415 gmpinc="-I$with_mpfr/include $gmpinc"
bebf829d 1416fi
8a877c9c 1417if test "x$with_mpfr_include" != x; then
3a5729ea 1418 gmpinc="-I$with_mpfr_include $gmpinc"
8a877c9c
KG		 1419fi
1420if test "x$with_mpfr_lib" != x; then
1421 gmplibs="-L$with_mpfr_lib $gmplibs"
1422fi
e69bf64b 1423if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
5b0d38e4
NC		 1424 # MPFR v3.1.0 moved the sources into a src sub-directory.
1425 if test -d ${srcdir}/mpfr/src; then
1426 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1427 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1428 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1429 else
1430 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1431 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1432 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1433 fi
e69bf64b
PB		 1434 # Do not test the mpfr version. Assume that it is sufficient, since
1435 # it is in the source tree, and the library has not been built yet
1436 # but it would be included on the link line in the version check below
1437 # hence making the test fail.
1438 have_gmp=yes
1439fi
bebf829d 1440
6de9cd9a 1441# Specify a location for gmp
33e39b66
AS		 1442AC_ARG_WITH(gmp-dir,
1443[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1444[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1445Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1446
1447AC_ARG_WITH(gmp,
1448[AS_HELP_STRING([--with-gmp=PATH],
1449 [specify prefix directory for the installed GMP package.
1450 Equivalent to --with-gmp-include=PATH/include
1451 plus --with-gmp-lib=PATH/lib])])
1452AC_ARG_WITH(gmp-include,
1453[AS_HELP_STRING([--with-gmp-include=PATH],
1454 [specify directory for installed GMP include files])])
1455AC_ARG_WITH(gmp-lib,
1456[AS_HELP_STRING([--with-gmp-lib=PATH],
1457 [specify directory for the installed GMP library])])
6de9cd9a 1458
6de9cd9a 1459
bebf829d
PB		 1460if test "x$with_gmp" != x; then
1461 gmplibs="-L$with_gmp/lib $gmplibs"
1462 gmpinc="-I$with_gmp/include $gmpinc"
6de9cd9a 1463fi
8a877c9c
KG		 1464if test "x$with_gmp_include" != x; then
1465 gmpinc="-I$with_gmp_include $gmpinc"
1466fi
1467if test "x$with_gmp_lib" != x; then
1468 gmplibs="-L$with_gmp_lib $gmplibs"
1469fi
e69bf64b 1470if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
592c90ff 1471 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
e69bf64b 1472 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
9183bdcf 1473 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
592c90ff 1474 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
0ff2d841 1475 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
e69bf64b
PB		 1476 # Do not test the gmp version. Assume that it is sufficient, since
1477 # it is in the source tree, and the library has not been built yet
1478 # but it would be included on the link line in the version check below
1479 # hence making the test fail.
1480 have_gmp=yes
1481fi
6de9cd9a 1482
d943d7c4 1483if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
e69bf64b
PB		 1484 have_gmp=yes
1485 saved_CFLAGS="$CFLAGS"
1486 CFLAGS="$CFLAGS $gmpinc"
362c6d2f
KG		 1487 # Check for the recommended and required versions of GMP.
1488 AC_MSG_CHECKING([for the correct version of gmp.h])
e69bf64b 1489 AC_TRY_COMPILE([#include "gmp.h"],[
362c6d2f
KG		 1490 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1491 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
385c0681 1492 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
e48d66a9 1493 choke me
e69bf64b 1494 #endif
e8fd69bb 1495 ], [AC_TRY_COMPILE([#include <gmp.h>],[
362c6d2f
KG		 1496 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1497 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1498 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1499 choke me
1500 #endif
e8fd69bb 1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1502 [AC_MSG_RESULT([no]); have_gmp=no])
e69bf64b 1503
acd26225 1504 # If we have GMP, check the MPFR version.
e69bf64b 1505 if test x"$have_gmp" = xyes; then
362c6d2f
KG		 1506 # Check for the recommended and required versions of MPFR.
1507 AC_MSG_CHECKING([for the correct version of mpfr.h])
acd26225 1508 AC_TRY_COMPILE([#include <gmp.h>
e69bf64b 1509 #include <mpfr.h>],[
f7d6bc01 1510 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
e69bf64b
PB		 1511 choke me
1512 #endif
e8fd69bb 1513 ], [AC_TRY_COMPILE([#include <gmp.h>
acd26225 1514 #include <mpfr.h>],[
362c6d2f 1515 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
acd26225
KG		 1516 choke me
1517 #endif
e8fd69bb 1518 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
acd26225
KG		 1519 [AC_MSG_RESULT([no]); have_gmp=no])
1520 fi
1521
1522 # Check for the MPC header version.
3a5729ea 1523 if test x"$have_gmp" = xyes ; then
362c6d2f 1524 # Check for the recommended and required versions of MPC.
acd26225
KG		 1525 AC_MSG_CHECKING([for the correct version of mpc.h])
1526 AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f 1527 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
acd26225
KG		 1528 choke me
1529 #endif
e8fd69bb 1530 ], [AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f
KG		 1531 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1532 choke me
1533 #endif
e8fd69bb 1534 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1535 [AC_MSG_RESULT([no]); have_gmp=no])
acd26225
KG		 1536 fi
1537
1538 # Now check the MPFR library.
1539 if test x"$have_gmp" = xyes; then
1540 saved_LIBS="$LIBS"
1541 LIBS="$LIBS $gmplibs"
3a5729ea
KG		 1542 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1543 AC_TRY_LINK([#include <mpc.h>],[
54e433bc
MK		 1544 mpfr_t n;
1545 mpfr_t x;
3a5729ea 1546 mpc_t c;
e69bf64b 1547 int t;
54e433bc
MK		 1548 mpfr_init (n);
1549 mpfr_init (x);
e69bf64b
PB		 1550 mpfr_atan2 (n, n, x, GMP_RNDN);
1551 mpfr_erfc (n, x, GMP_RNDN);
1552 mpfr_subnormalize (x, t, GMP_RNDN);
3a5729ea
KG		 1553 mpfr_clear(n);
1554 mpfr_clear(x);
1555 mpc_init2 (c, 53);
1556 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1557 mpc_cosh (c, c, MPC_RNDNN);
1558 mpc_pow (c, c, c, MPC_RNDNN);
1559 mpc_acosh (c, c, MPC_RNDNN);
1560 mpc_clear (c);
acd26225
KG		 1561 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1562 LIBS="$saved_LIBS"
e69bf64b 1563 fi
acd26225 1564
e69bf64b 1565 CFLAGS="$saved_CFLAGS"
6de9cd9a 1566
362c6d2f
KG		 1567# The library versions listed in the error message below should match
1568# the HARD-minimums enforced above.
e69bf64b 1569 if test x$have_gmp != xyes; then
f7d6bc01 1570 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
3a5729ea
KG		 1571Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1572their locations. Source code for these libraries can be found at
1573their respective hosting sites as well as at
1574ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1575http://gcc.gnu.org/install/prerequisites.html for additional info. If
1576you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1577make sure that you have installed both the libraries and the header
1578files. They may be located in separate packages.])
e69bf64b 1579 fi
70ec446f
KG		 1580fi
1581
acd26225 1582# Flags needed for both GMP, MPFR and/or MPC.
6de9cd9a
DN		 1583AC_SUBST(gmplibs)
1584AC_SUBST(gmpinc)
9e3eba15 1585AC_SUBST(extra_mpfr_configure_flags)
acd26225
KG		 1586AC_SUBST(extra_mpc_gmp_configure_flags)
1587AC_SUBST(extra_mpc_mpfr_configure_flags)
0ff2d841 1588AC_SUBST(extra_isl_gmp_configure_flags)
6de9cd9a 1589
f38095f3 1590# Allow host libstdc++ to be specified for static linking with PPL.
33e39b66
AS		 1591AC_ARG_WITH(host-libstdcxx,
1592[AS_HELP_STRING([--with-host-libstdcxx=L],
1593 [use linker arguments L to link with libstdc++
1594 when linking with PPL])])
f38095f3
JM		 1595
1596case $with_host_libstdcxx in
1597 no|yes)
1598 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1599 ;;
1600esac
f8bf9252 1601
00020c16
ILT		 1602# Libraries to use for stage1 or when not bootstrapping.
1603AC_ARG_WITH(stage1-libs,
33e39b66 1604[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
00020c16
ILT		 1605[if test "$withval" = "no" -o "$withval" = "yes"; then
1606 stage1_libs=
1607 else
1608 stage1_libs=$withval
1609 fi],
1610[stage1_libs=$with_host_libstdcxx])
1611AC_SUBST(stage1_libs)
1612
0b21f5d3
EB		 1613# Linker flags to use for stage1 or when not bootstrapping.
1614AC_ARG_WITH(stage1-ldflags,
1615[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1616[if test "$withval" = "no" -o "$withval" = "yes"; then
1617 stage1_ldflags=
1618 else
1619 stage1_ldflags=$withval
1620 fi],
1621[stage1_ldflags=
1622 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1623 # if supported. But if the user explicitly specified the libraries to use,
1624 # trust that they are doing what they want.
1625 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1626 stage1_ldflags="-static-libstdc++ -static-libgcc"
1627 fi])
1628AC_SUBST(stage1_ldflags)
1629
00020c16
ILT		 1630# Libraries to use for stage2 and later builds. This defaults to the
1631# argument passed to --with-host-libstdcxx.
1632AC_ARG_WITH(boot-libs,
33e39b66 1633[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
00020c16
ILT		 1634[if test "$withval" = "no" -o "$withval" = "yes"; then
1635 poststage1_libs=
1636 else
e90e6bd7 1637 poststage1_libs=$withval
00020c16
ILT		 1638 fi],
1639[poststage1_libs=$with_host_libstdcxx])
1640AC_SUBST(poststage1_libs)
1641
ed2eaa9f
ILT		 1642# Linker flags to use for stage2 and later builds.
1643AC_ARG_WITH(boot-ldflags,
33e39b66
AS		 1644[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1645 [linker flags for stage2 and later])],
ed2eaa9f
ILT		 1646[if test "$withval" = "no" -o "$withval" = "yes"; then
1647 poststage1_ldflags=
1648 else
1649 poststage1_ldflags=$withval
1650 fi],
1651[poststage1_ldflags=
bec93d73
ILT		 1652 # In stages 2 and 3, default to linking libstdc++ and libgcc
1653 # statically. But if the user explicitly specified the libraries to
1654 # use, trust that they are doing what they want.
1655 if test "$poststage1_libs" = ""; then
ed2eaa9f
ILT		 1656 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1657 fi])
1658AC_SUBST(poststage1_ldflags)
1659
4a9bb2aa
TB		 1660# GCC GRAPHITE dependency ISL.
1661# Basic setup is inlined here, actual checks are in config/isl.m4
625afa23 1662
625afa23
RG		 1663AC_ARG_WITH(isl,
1664 [AS_HELP_STRING(
1665 [--with-isl=PATH],
1666 [Specify prefix directory for the installed ISL package.
1667 Equivalent to --with-isl-include=PATH/include
1668 plus --with-isl-lib=PATH/lib])])
1669
eae1a5d4 1670# Treat --without-isl as a request to disable
625afa23 1671# GRAPHITE support and skip all following checks.
eae1a5d4 1672if test "x$with_isl" != "xno"; then
625afa23
RG		 1673 # Check for ISL
1674 dnl Provide configure switches and initialize islinc & isllibs
1675 dnl with user input.
1676 ISL_INIT_FLAGS
d0ad394c 1677 dnl The versions of ISL that work for Graphite
e0c0c325 1678 ISL_CHECK_VERSION()
33ad93b9
RG		 1679 dnl Only execute fail-action, if ISL has been requested.
1680 ISL_IF_FAILED([
1681 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
f8bf9252 1682fi
f8bf9252 1683
4a9bb2aa 1684# If the ISL check failed, disable builds of in-tree variant of ISL
625afa23 1685if test "x$with_isl" = xno ||
625afa23 1686 test "x$gcc_cv_isl" = xno; then
4a9bb2aa 1687 noconfigdirs="$noconfigdirs isl"
625afa23 1688 islinc=
eae1a5d4
RG		 1689fi
1690
1691AC_SUBST(isllibs)
625afa23 1692AC_SUBST(islinc)
625afa23 1693
d7f09764
DN		 1694# Check for LTO support.
1695AC_ARG_ENABLE(lto,
33e39b66 1696[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
d7f09764
DN		 1697enable_lto=$enableval,
1698enable_lto=yes; default_enable_lto=yes)
1699
48215350
DK		 1700ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1701 build_lto_plugin=yes
1702],[if test x"$default_enable_lto" = x"yes" ; then
bb79486c 1703 case $target in
2cd815e7 1704 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
48215350 1705 # On other non-ELF platforms, LTO has yet to be validated.
bb79486c
JH		 1706 *) enable_lto=no ;;
1707 esac
3bec79c5 1708 else
db50fe7d
IS		 1709 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1710 # It would also be nice to check the binutils support, but we don't
3bec79c5
DK		 1711 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1712 # warn during gcc/ subconfigure; unless you're bootstrapping with
1713 # -flto it won't be needed until after installation anyway.
1714 case $target in
1cd0b716 1715 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
3bec79c5
DK		 1716 *) if test x"$enable_lto" = x"yes"; then
1717 AC_MSG_ERROR([LTO support is not enabled for this target.])
1718 fi
1719 ;;
1720 esac
1721 fi
1cd0b716 1722 # Among non-ELF, only Windows platforms support the lto-plugin so far.
48215350 1723 # Build it unless LTO was explicitly disabled.
1cd0b716 1724 case $target in
48215350 1725 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1cd0b716
DK		 1726 *) ;;
1727 esac
48215350 1728])
d7f09764 1729
45b3824d
TS		 1730AC_ARG_ENABLE(linker-plugin-configure-flags,
1731 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1732 [additional flags for configuring linker plugins @<:@none@:>@])],
1733 extra_linker_plugin_configure_flags=$enableval,
1734 extra_linker_plugin_configure_flags=)
1735AC_SUBST(extra_linker_plugin_configure_flags)
1736AC_ARG_ENABLE(linker-plugin-flags,
1737 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1738 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1739 extra_linker_plugin_flags=$enableval,
1740 extra_linker_plugin_flags=)
1741AC_SUBST(extra_linker_plugin_flags)
1742
f8bf9252 1743
0823efed 1744# By default, C and C++ are the only stage 1 languages.
e1888513 1745stage1_languages=,c,
2805b53a 1746
00020c16 1747# Target libraries that we bootstrap.
ad1e5170 1748bootstrap_target_libs=,target-libgcc,
00020c16 1749
e4c9c075
PB		 1750# Figure out what language subdirectories are present.
1751# Look if the user specified --enable-languages="..."; if not, use
1752# the environment variable $LANGUAGES if defined. $LANGUAGES might
1753# go away some day.
1754# NB: embedded tabs in this IF block -- do not untabify
1755if test -d ${srcdir}/gcc; then
1756 if test x"${enable_languages+set}" != xset; then
1757 if test x"${LANGUAGES+set}" = xset; then
1758 enable_languages="${LANGUAGES}"
1759 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1760 else
1761 enable_languages=all
1762 fi
1763 else
1764 if test x"${enable_languages}" = x ||
1765 test x"${enable_languages}" = xyes;
1766 then
1767 echo configure.in: --enable-languages needs at least one language argument 1>&2
1768 exit 1
1769 fi
1770 fi
1771 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1772
7f26dfa3
FXC		 1773 # 'f95' is the old name for the 'fortran' language. We issue a warning
1774 # and make the substitution.
1775 case ,${enable_languages}, in
1776 *,f95,*)
1777 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1778 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1779 ;;
1780 esac
1781
0823efed
DN		 1782 # If bootstrapping, C++ must be enabled.
1783 case ",$enable_languages,:$enable_bootstrap" in
1784 *,c++,*:*) ;;
1785 *:yes)
ff3ac0f4
ILT		 1786 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1787 enable_languages="${enable_languages},c++"
1788 else
0823efed 1789 AC_MSG_ERROR([bootstrapping requires c++ sources])
ff3ac0f4
ILT		 1790 fi
1791 ;;
1792 esac
1793
e4c9c075
PB		 1794 # First scan to see if an enabled language requires some other language.
1795 # We assume that a given config-lang.in will list all the language
1796 # front ends it requires, even if some are required indirectly.
1797 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1798 case ${lang_frag} in
1799 ..) ;;
1800 # The odd quoting in the next line works around
1801 # an apparent bug in bash 1.12 on linux.
1802 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1803 *)
69ecd18f
ILT		 1804 # From the config-lang.in, get $language, $lang_requires, and
1805 # $lang_requires_boot_languages.
e4c9c075
PB		 1806 language=
1807 lang_requires=
69ecd18f 1808 lang_requires_boot_languages=
e4c9c075 1809 . ${lang_frag}
69ecd18f 1810 for other in ${lang_requires} ${lang_requires_boot_languages}; do
e4c9c075
PB		 1811 case ,${enable_languages}, in
1812 *,$other,*) ;;
1813 *,all,*) ;;
1814 *,$language,*)
1815 echo " \`$other' language required by \`$language'; enabling" 1>&2
1816 enable_languages="${enable_languages},${other}"
1817 ;;
1818 esac
1819 done
69ecd18f
ILT		 1820 for other in ${lang_requires_boot_languages} ; do
1821 if test "$other" != "c"; then
1822 case ,${enable_stage1_languages}, in
1823 *,$other,*) ;;
1824 *,all,*) ;;
1825 *)
1826 case ,${enable_languages}, in
1827 *,$language,*)
1828 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1829 enable_stage1_languages="$enable_stage1_languages,${other}"
1830 ;;
1831 esac
1832 ;;
1833 esac
1834 fi
1835 done
e4c9c075
PB		 1836 ;;
1837 esac
1838 done
1839
e1888513 1840 new_enable_languages=,c,
d7f09764
DN		 1841
1842 # If LTO is enabled, add the LTO front end.
d7f09764 1843 if test "$enable_lto" = "yes" ; then
e4c5bd48
RW		 1844 case ,${enable_languages}, in
1845 *,lto,*) ;;
1846 *) enable_languages="${enable_languages},lto" ;;
1847 esac
1cd0b716 1848 if test "${build_lto_plugin}" = "yes" ; then
d7f09764 1849 configdirs="$configdirs lto-plugin"
d7f09764
DN		 1850 fi
1851 fi
d7f09764 1852
e4c9c075 1853 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
e1888513 1854 potential_languages=,c,
e4c9c075 1855
4da3b0f8
ILT		 1856 enabled_target_libs=
1857 disabled_target_libs=
1858
e4c9c075
PB		 1859 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1860 case ${lang_frag} in
1861 ..) ;;
1862 # The odd quoting in the next line works around
1863 # an apparent bug in bash 1.12 on linux.
1864 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1865 *)
1866 # From the config-lang.in, get $language, $target_libs,
2805b53a 1867 # $lang_dirs, $boot_language, and $build_by_default
e4c9c075
PB		 1868 language=
1869 target_libs=
1870 lang_dirs=
1546bb64 1871 subdir_requires=
e1888513
PB		 1872 boot_language=no
1873 build_by_default=yes
e4c9c075 1874 . ${lang_frag}
e1888513
PB		 1875 if test x${language} = x; then
1876 echo "${lang_frag} doesn't set \$language." 1>&2
1877 exit 1
1878 fi
1879
78767fd9 1880 if test "$language" = "c++"; then
0823efed 1881 boot_language=yes
00020c16
ILT		 1882 fi
1883
178f875a 1884 add_this_lang=no
e1888513
PB		 1885 case ,${enable_languages}, in
1886 *,${language},*)
d4a10d0a
SB		 1887 # Language was explicitly selected; include it
1888 # unless it is C, which is enabled by default.
1889 if test "$language" != "c"; then
1890 add_this_lang=yes
1891 fi
e4c9c075 1892 ;;
e1888513
PB		 1893 *,all,*)
1894 # 'all' was selected, select it if it is a default language
178f875a
JM		 1895 if test "$language" != "c"; then
1896 add_this_lang=${build_by_default}
1897 fi
e4c9c075
PB		 1898 ;;
1899 esac
6de9cd9a 1900
1546bb64 1901 # Disable languages that need other directories if these aren't available.
95695ad3 1902 for i in $subdir_requires; do
b6348cb3 1903 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1546bb64
PB		 1904 case ,${enable_languages}, in
1905 *,${language},*)
1906 # Specifically requested language; tell them.
1907 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1908 ;;
1909 *)
1910 # Silently disable.
e1888513 1911 add_this_lang=unsupported
1546bb64
PB		 1912 ;;
1913 esac
1914 done
1915
e1888513
PB		 1916 # Disable Ada if no preexisting GNAT is available.
1917 case ,${enable_languages},:${language}:${have_gnat} in
1918 *,${language},*:ada:no)
1919 # Specifically requested language; tell them.
1920 AC_MSG_ERROR([GNAT is required to build $language])
1921 ;;
1922 *:ada:no)
1923 # Silently disable.
1924 add_this_lang=unsupported
1925 ;;
1926 esac
1927
4fab7234
HPN		 1928 # Disable a language that is unsupported by the target.
1929 case " $unsupported_languages " in
1930 *" $language "*)
e1888513 1931 add_this_lang=unsupported
4fab7234
HPN		 1932 ;;
1933 esac
1934
6de9cd9a 1935 case $add_this_lang in
e1888513 1936 unsupported)
e4c9c075 1937 # Remove language-dependent dirs.
4da3b0f8
ILT		 1938 disabled_target_libs="$disabled_target_libs $target_libs"
1939 noconfigdirs="$noconfigdirs $lang_dirs"
2805b53a 1940 ;;
e1888513
PB		 1941 no)
1942 # Remove language-dependent dirs; still show language as supported.
4da3b0f8
ILT		 1943 disabled_target_libs="$disabled_target_libs $target_libs"
1944 noconfigdirs="$noconfigdirs $lang_dirs"
e1888513
PB		 1945 potential_languages="${potential_languages}${language},"
1946 ;;
1947 yes)
1948 new_enable_languages="${new_enable_languages}${language},"
1949 potential_languages="${potential_languages}${language},"
2805b53a 1950 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
4da3b0f8 1951 enabled_target_libs="$enabled_target_libs $target_libs"
ab9dcd0c
RW		 1952 case "${boot_language}:,$enable_stage1_languages," in
1953 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
340de83f 1954 # Add to (comma-separated) list of stage 1 languages.
ab9dcd0c
RW		 1955 case ",$stage1_languages," in
1956 *,$language,* | ,yes, | ,all,) ;;
1957 *) stage1_languages="${stage1_languages}${language}," ;;
1958 esac
00020c16
ILT		 1959 # We need to bootstrap any supporting libraries.
1960 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2805b53a
NN		 1961 ;;
1962 esac
1963 ;;
e4c9c075
PB		 1964 esac
1965 ;;
1966 esac
1967 done
1968
4da3b0f8
ILT		 1969 # Add target libraries which are only needed for disabled languages
1970 # to noconfigdirs.
1971 if test -n "$disabled_target_libs"; then
1972 for dir in $disabled_target_libs; do
1973 case " $enabled_target_libs " in
1974 *" ${dir} "*) ;;
1975 *) noconfigdirs="$noconfigdirs $dir" ;;
1976 esac
1977 done
1978 fi
1979
e1888513 1980 AC_ARG_ENABLE(stage1-languages,
33e39b66
AS		 1981 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1982 [choose additional languages to build during
1983 stage1. Mostly useful for compiler development])],
e1888513
PB		 1984 [case ,${enable_stage1_languages}, in
1985 ,no,|,,)
1986 # Set it to something that will have no effect in the loop below
1987 enable_stage1_languages=c ;;
1988 ,yes,)
1989 enable_stage1_languages=`echo $new_enable_languages | \
1990 sed -e "s/^,//" -e "s/,$//" ` ;;
1991 *,all,*)
1992 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1993 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1994 esac
1995
1996 # Add "good" languages from enable_stage1_languages to stage1_languages,
1997 # while "bad" languages go in missing_languages. Leave no duplicates.
1998 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1999 case $potential_languages in
2000 *,$i,*)
2001 case $stage1_languages in
2002 *,$i,*) ;;
2003 *) stage1_languages="$stage1_languages$i," ;;
2004 esac ;;
2005 *)
2006 case $missing_languages in
2007 *,$i,*) ;;
2008 *) missing_languages="$missing_languages$i," ;;
2009 esac ;;
2010 esac
2011 done])
2012
2013 # Remove leading/trailing commas that were added for simplicity
2014 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
79b4b7d2 2015 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
e1888513
PB		 2016 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2017 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2018
e4c9c075
PB		 2019 if test "x$missing_languages" != x; then
2020 AC_MSG_ERROR([
0cf085e4 2021The following requested languages could not be built: ${missing_languages}
e1888513 2022Supported languages are: ${potential_languages}])
e4c9c075 2023 fi
e4c9c075
PB		 2024 if test "x$new_enable_languages" != "x$enable_languages"; then
2025 echo The following languages will be built: ${new_enable_languages}
e1888513 2026 enable_languages="$new_enable_languages"
e4c9c075 2027 fi
e1888513
PB		 2028
2029 AC_SUBST(stage1_languages)
b2eaac4a 2030 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
e4c9c075
PB		 2031fi
2032
27079765
AH		 2033# Handle --disable-<component> generically.
2034for dir in $configdirs $build_configdirs $target_configdirs ; do
2035 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
ac9e6043
RW		 2036 varname=`echo $dirname | sed -e s/+/_/g`
2037 if eval test x\${enable_${varname}} "=" xno ; then
27079765
AH		 2038 noconfigdirs="$noconfigdirs $dir"
2039 fi
2040done
2041
7cd0cf9c
DA		 2042# Check for Boehm's garbage collector
2043AC_ARG_ENABLE(objc-gc,
33e39b66
AS		 2044[AS_HELP_STRING([--enable-objc-gc],
2045 [enable use of Boehm's garbage collector with the
2046 GNU Objective-C runtime])],
7cd0cf9c
DA		 2047[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2048 *,objc,*:*:yes:*target-boehm-gc*)
2049 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2050 ;;
2051esac])
2052
2053# Make sure we only build Boehm's garbage collector if required.
2a79fd67
DA		 2054case ,${enable_languages},:${enable_objc_gc} in
2055 *,objc,*:yes)
7cd0cf9c
DA		 2056 # Keep target-boehm-gc if requested for Objective-C.
2057 ;;
7cd0cf9c 2058 *)
2a79fd67
DA		 2059 # Otherwise remove target-boehm-gc depending on target-libjava.
2060 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2061 noconfigdirs="$noconfigdirs target-boehm-gc"
2062 fi
7cd0cf9c
DA		 2063 ;;
2064esac
99776ebd 2065
1007a55c 2066# Disable libcilkrts, libitm, libsanitizer, libvtv if we're not building C++
99776ebd 2067case ,${enable_languages}, in
1007a55c
JW		 2068 *,c++,*)
2069 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2070 case "${noconfigdirs}" in
2071 *target-libstdc++-v3*)
2072 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2073 ;;
2074 *) ;;
2075 esac
2076 ;;
99776ebd 2077 *)
186bc287 2078 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
99776ebd
RH		 2079 ;;
2080esac
7cd0cf9c 2081
9d069a4f
PB		 2082# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2083# $build_configdirs and $target_configdirs.
e4c9c075
PB		 2084# If we have the source for $noconfigdirs entries, add them to $notsupp.
2085
2086notsupp=""
2087for dir in . $skipdirs $noconfigdirs ; do
9d069a4f 2088 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
e4c9c075
PB		 2089 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2090 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2091 if test -r $srcdir/$dirname/configure ; then
2092 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2093 true
2094 else
2095 notsupp="$notsupp $dir"
2096 fi
2097 fi
2098 fi
9d069a4f
PB		 2099 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2100 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2101 if test -r $srcdir/$dirname/configure ; then
2102 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2103 true
2104 else
2105 notsupp="$notsupp $dir"
2106 fi
2107 fi
2108 fi
e4c9c075
PB		 2109 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2110 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2111 if test -r $srcdir/$dirname/configure ; then
2112 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2113 true
2114 else
2115 notsupp="$notsupp $dir"
2116 fi
2117 fi
2118 fi
2119done
2120
e4c9c075
PB		 2121# Quietly strip out all directories which aren't configurable in this tree.
2122# This relies on all configurable subdirectories being autoconfiscated, which
2123# is now the case.
23f6b2f9
PB		 2124build_configdirs_all="$build_configdirs"
2125build_configdirs=
2126for i in ${build_configdirs_all} ; do
2127 j=`echo $i | sed -e s/build-//g`
2128 if test -f ${srcdir}/$j/configure ; then
2129 build_configdirs="${build_configdirs} $i"
2130 fi
2131done
2132
e4c9c075
PB		 2133configdirs_all="$configdirs"
2134configdirs=
2135for i in ${configdirs_all} ; do
2136 if test -f ${srcdir}/$i/configure ; then
2137 configdirs="${configdirs} $i"
2138 fi
2139done
23f6b2f9 2140
e4c9c075
PB		 2141target_configdirs_all="$target_configdirs"
2142target_configdirs=
2143for i in ${target_configdirs_all} ; do
2144 j=`echo $i | sed -e s/target-//g`
2145 if test -f ${srcdir}/$j/configure ; then
2146 target_configdirs="${target_configdirs} $i"
2147 fi
2148done
2149
45b3824d
TS		 2150# libiberty-linker-plugin is special: it doesn't have its own source directory,
2151# so we have to add it after the preceding checks.
2152if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2153then
2154 case " $configdirs " in
2155 *" libiberty "*)
2156 # If we can build libiberty, we can also build libiberty-linker-plugin.
2157 configdirs="$configdirs libiberty-linker-plugin"
2158 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2159 --with-libiberty=../libiberty-linker-plugin";;
2160 *)
2161 AC_MSG_ERROR([libiberty missing]);;
2162 esac
2163fi
2164
fca38047
TS		 2165# Sometimes we have special requirements for the host libiberty.
2166extra_host_libiberty_configure_flags=
2167case " $configdirs " in
2168 *" lto-plugin "* | *" libcc1 "*)
2169 # When these are to be built as shared libraries, the same applies to
2170 # libiberty.
2171 extra_host_libiberty_configure_flags=--enable-shared
2172 ;;
2173esac
2174AC_SUBST(extra_host_libiberty_configure_flags)
2175
e4c9c075
PB		 2176# Produce a warning message for the subdirs we can't configure.
2177# This isn't especially interesting in the Cygnus tree, but in the individual
2178# FSF releases, it's important to let people know when their machine isn't
2179# supported by the one or two programs in a package.
2180
2181if test -n "${notsupp}" && test -z "${norecursion}" ; then
2182 # If $appdirs is non-empty, at least one of those directories must still
2183 # be configured, or we error out. (E.g., if the gas release supports a
2184 # specified target in some subdirs but not the gas subdir, we shouldn't
2185 # pretend that all is well.)
2186 if test -n "$appdirs" ; then
2187 for dir in $appdirs ; do
2188 if test -r $dir/Makefile.in ; then
2189 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2190 appdirs=""
2191 break
2192 fi
23f6b2f9 2193 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
e4c9c075
PB		 2194 appdirs=""
2195 break
2196 fi
2197 fi
2198 done
2199 if test -n "$appdirs" ; then
2200 echo "*** This configuration is not supported by this package." 1>&2
2201 exit 1
2202 fi
2203 fi
2204 # Okay, some application will build, or we don't care to check. Still
2205 # notify of subdirs not getting built.
2206 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2207 echo " ${notsupp}" 1>&2
2208 echo " (Any other directories should still work fine.)" 1>&2
2209fi
2210
2211case "$host" in
2212 *msdosdjgpp*)
2213 enable_gdbtk=no ;;
2214esac
2215
c3a86da9
DJ		 2216# To find our prefix, in gcc_cv_tool_prefix.
2217ACX_TOOL_DIRS
2218
e4c9c075
PB		 2219copy_dirs=
2220
526635cb 2221AC_ARG_WITH([build-sysroot],
33e39b66
AS		 2222 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2223 [use sysroot as the system root during the build])],
526635cb
MM		 2224 [if test x"$withval" != x ; then
2225 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2226 fi],
2227 [SYSROOT_CFLAGS_FOR_TARGET=])
2228AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2229
c8aea42c 2230AC_ARG_WITH([debug-prefix-map],
33e39b66
AS		 2231 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2232 [map A to B, C to D ... in debug information])],
c8aea42c
PB		 2233 [if test x"$withval" != x; then
2234 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2235 for debug_map in $withval; do
2236 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2237 done
2238 fi],
2239 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2240AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2241
1c8bd6a3
PB		 2242# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2243# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2244# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2245# We want to ensure that TARGET libraries (which we know are built with
2246# gcc) are built with "-O2 -g", so include those options when setting
2247# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2248if test "x$CFLAGS_FOR_TARGET" = x; then
2249 CFLAGS_FOR_TARGET=$CFLAGS
2250 case " $CFLAGS " in
2251 *" -O2 "*) ;;
bd8e704f 2252 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2253 esac
2254 case " $CFLAGS " in
2255 *" -g "* | *" -g3 "*) ;;
bd8e704f 2256 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2257 esac
2258fi
2259AC_SUBST(CFLAGS_FOR_TARGET)
2260
2261if test "x$CXXFLAGS_FOR_TARGET" = x; then
2262 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2263 case " $CXXFLAGS " in
2264 *" -O2 "*) ;;
bd8e704f 2265 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2266 esac
2267 case " $CXXFLAGS " in
2268 *" -g "* | *" -g3 "*) ;;
bd8e704f 2269 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2270 esac
2271fi
2272AC_SUBST(CXXFLAGS_FOR_TARGET)
2273
6f57bdf6
DK		 2274AC_SUBST(LDFLAGS_FOR_TARGET)
2275
e4c9c075
PB		 2276# Handle --with-headers=XXX. If the value is not "yes", the contents of
2277# the named directory are copied to $(tooldir)/sys-include.
2278if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2279 if test x${is_cross_compiler} = xno ; then
2280 echo 1>&2 '***' --with-headers is only supported when cross compiling
2281 exit 1
2282 fi
2283 if test x"${with_headers}" != xyes ; then
c3a86da9 2284 x=${gcc_cv_tool_prefix}
1c710c3c 2285 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
e4c9c075
PB		 2286 fi
2287fi
2288
2289# Handle --with-libs=XXX. If the value is not "yes", the contents of
2290# the name directories are copied to $(tooldir)/lib. Multiple directories
2291# are permitted.
2292if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2293 if test x${is_cross_compiler} = xno ; then
2294 echo 1>&2 '***' --with-libs is only supported when cross compiling
2295 exit 1
2296 fi
2297 if test x"${with_libs}" != xyes ; then
2298 # Copy the libraries in reverse order, so that files in the first named
2299 # library override files in subsequent libraries.
c3a86da9 2300 x=${gcc_cv_tool_prefix}
e4c9c075 2301 for l in ${with_libs}; do
1c710c3c 2302 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
e4c9c075
PB		 2303 done
2304 fi
2305fi
2306
d7f09764 2307# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
e8b05380
PB		 2308#
2309# This is done by determining whether or not the appropriate directory
2310# is available, and by checking whether or not specific configurations
2311# have requested that this magic not happen.
2312#
2313# The command line options always override the explicit settings in
2314# configure.in, and the settings in configure.in override this magic.
2315#
2316# If the default for a toolchain is to use GNU as and ld, and you don't
2317# want to do that, then you should use the --without-gnu-as and
d7f09764
DN		 2318# --without-gnu-ld options for the configure script. Similarly, if
2319# the default is to use the included zlib and you don't want to do that,
2320# you should use the --with-system-zlib option for the configure script.
e8b05380
PB		 2321
2322if test x${use_gnu_as} = x &&
2323 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2324 with_gnu_as=yes
2325 extra_host_args="$extra_host_args --with-gnu-as"
2326fi
2327
2328if test x${use_gnu_ld} = x &&
5afab7ad 2329 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
e8b05380
PB		 2330 with_gnu_ld=yes
2331 extra_host_args="$extra_host_args --with-gnu-ld"
2332fi
2333
d7f09764
DN		 2334if test x${use_included_zlib} = x &&
2335 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2336 :
2337else
2338 with_system_zlib=yes
2339 extra_host_args="$extra_host_args --with-system-zlib"
2340fi
2341
e8b05380
PB		 2342# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2343# can detect this case.
2344
2345if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2346 with_newlib=yes
2347 extra_host_args="$extra_host_args --with-newlib"
2348fi
2349
e4c9c075
PB		 2350# Handle ${copy_dirs}
2351set fnord ${copy_dirs}
2352shift
2353while test $# != 0 ; do
2354 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2355 :
2356 else
2357 echo Copying $1 to $2
2358
2359 # Use the install script to create the directory and all required
2360 # parent directories.
2361 if test -d $2 ; then
2362 :
2363 else
2364 echo >config.temp
2365 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2366 fi
2367
2368 # Copy the directory, assuming we have tar.
2369 # FIXME: Should we use B in the second tar? Not all systems support it.
2370 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2371
2372 # It is the responsibility of the user to correctly adjust all
2373 # symlinks. If somebody can figure out how to handle them correctly
2374 # here, feel free to add the code.
2375
2376 echo $1 > $2/COPIED
2377 fi
2378 shift; shift
2379done
2380
e8b05380
PB		 2381# Determine a target-dependent exec_prefix that the installed
2382# gcc will search in. Keep this list sorted by triplet, with
2383# the *-*-osname triplets last.
2384md_exec_prefix=
2385case "${target}" in
30b74385 2386 i[[34567]]86-pc-msdosdjgpp*)
e8b05380
PB		 2387 md_exec_prefix=/dev/env/DJDIR/bin
2388 ;;
e8b05380 2389 *-*-hpux* | \
e8b05380 2390 *-*-nto-qnx* | \
6de66370 2391 *-*-solaris2*)
e8b05380
PB		 2392 md_exec_prefix=/usr/ccs/bin
2393 ;;
2394esac
2395
4977bab6
ZW		 2396extra_arflags_for_target=
2397extra_nmflags_for_target=
2a726918 2398extra_ranlibflags_for_target=
671aa708 2399target_makefile_frag=/dev/null
55380b08 2400case "${target}" in
58e24147
AM		 2401 spu-*-*)
2402 target_makefile_frag="config/mt-spu"
2403 ;;
d91491e5 2404 mips*-sde-elf* | mips*-mti-elf*)
4bf6c438
RS		 2405 target_makefile_frag="config/mt-sde"
2406 ;;
1ec3b87b
RS		 2407 mipsisa*-*-elfoabi*)
2408 target_makefile_frag="config/mt-mips-elfoabi"
2409 ;;
08d0963a
RS		 2410 mips*-*-*linux* | mips*-*-gnu*)
2411 target_makefile_frag="config/mt-mips-gnu"
2412 ;;
707f1839
SL		 2413 nios2-*-elf*)
2414 target_makefile_frag="config/mt-nios2-elf"
2415 ;;
416ac4d4 2416 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
98a5bb3b 2417 target_makefile_frag="config/mt-gnu"
55380b08 2418 ;;
671aa708 2419 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
4977bab6
ZW		 2420 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2421 # commands to handle both 32-bit and 64-bit objects. These flags are
2422 # harmless if we're using GNU nm or ar.
2423 extra_arflags_for_target=" -X32_64"
2424 extra_nmflags_for_target=" -B -X32_64"
55380b08 2425 ;;
c3b7d169
NN		 2426esac
2427
671aa708 2428alphaieee_frag=/dev/null
c3b7d169
NN		 2429case $target in
2430 alpha*-*-*)
2431 # This just makes sure to use the -mieee option to build target libs.
2432 # This should probably be set individually by each library.
2433 alphaieee_frag="config/mt-alphaieee"
55380b08
NN		 2434 ;;
2435esac
701afd4d 2436
55380b08
NN		 2437# If --enable-target-optspace always use -Os instead of -O2 to build
2438# the target libraries, similarly if it is not specified, use -Os
2439# on selected platforms.
671aa708 2440ospace_frag=/dev/null
55380b08
NN		 2441case "${enable_target_optspace}:${target}" in
2442 yes:*)
c3b7d169 2443 ospace_frag="config/mt-ospace"
55380b08
NN		 2444 ;;
2445 :d30v-*)
c3b7d169 2446 ospace_frag="config/mt-d30v"
55380b08
NN		 2447 ;;
2448 :m32r-* | :d10v-* | :fr30-*)
c3b7d169 2449 ospace_frag="config/mt-ospace"
55380b08
NN		 2450 ;;
2451 no:* | :*)
2452 ;;
2453 *)
2454 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2455 ;;
2456esac
6599da04 2457
671aa708
NN		 2458# Some systems (e.g., one of the i386-aix systems the gas testers are
2459# using) don't handle "\$" correctly, so don't use it here.
1c710c3c 2460tooldir='${exec_prefix}'/${target_noncanonical}
671aa708
NN		 2461build_tooldir=${tooldir}
2462
671aa708
NN		 2463# Create a .gdbinit file which runs the one in srcdir
2464# and tells GDB to look there for source files.
2465
2466if test -r ${srcdir}/.gdbinit ; then
2467 case ${srcdir} in
2468 .) ;;
2469 *) cat > ./.gdbinit <<EOF
2470# ${NO_EDIT}
2471dir ${srcdir}
2472dir .
2473source ${srcdir}/.gdbinit
2474EOF
2475 ;;
2476 esac
2477fi
2478
6599da04
JM		 2479# Make sure that the compiler is able to generate an executable. If it
2480# can't, we are probably in trouble. We don't care whether we can run the
2481# executable--we might be using a cross compiler--we only care whether it
2482# can be created. At this point the main configure script has set CC.
aeaa0f2f 2483we_are_ok=no
6599da04
JM		 2484echo "int main () { return 0; }" > conftest.c
2485${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
aeaa0f2f
NN		 2486if test $? = 0 ; then
2487 if test -s conftest || test -s conftest.exe ; then
2488 we_are_ok=yes
2489 fi
2490fi
2491case $we_are_ok in
2492 no)
2493 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2494 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2495 rm -f conftest*
2496 exit 1
2497 ;;
2498esac
6599da04
JM		 2499rm -f conftest*
2500
d89f0ad6 2501# Decide which environment variable is used to find dynamic libraries.
fe3d5b7f
NN		 2502case "${host}" in
2503 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
111eeb6e 2504 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
d89f0ad6 2505 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
fe3d5b7f
NN		 2506 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2507esac
fe3d5b7f 2508
d89f0ad6
AL		 2509# On systems where the dynamic library environment variable is PATH,
2510# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2511# built executables to PATH.
2512if test "$RPATH_ENVVAR" = PATH; then
2513 GCC_SHLIB_SUBDIR=/shlib
2514else
2515 GCC_SHLIB_SUBDIR=
2516fi
2517
beeda1d9
JJ		 2518# Adjust the toplevel makefile according to whether bootstrap was selected.
2519case $enable_bootstrap in
2520 yes)
2521 bootstrap_suffix=bootstrap
2522 BUILD_CONFIG=bootstrap-debug
2523 ;;
2524 no)
2525 bootstrap_suffix=no-bootstrap
2526 BUILD_CONFIG=
2527 ;;
2528esac
2529
2530AC_MSG_CHECKING(for default BUILD_CONFIG)
2531
2532AC_ARG_WITH([build-config],
2533 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2534 [use config/NAME.mk build configuration])],
2535 [case $with_build_config in
2536 yes) with_build_config= ;;
2537 no) with_build_config= BUILD_CONFIG= ;;
2538 esac])
2539
2540if test "x${with_build_config}" != x; then
2541 BUILD_CONFIG=$with_build_config
2542else
2543 case $BUILD_CONFIG in
2544 bootstrap-debug)
2545 if echo "int f (void) { return 0; }" > conftest.c &&
2546 ${CC} -c conftest.c &&
2547 mv conftest.o conftest.o.g0 &&
2548 ${CC} -c -g conftest.c &&
2549 mv conftest.o conftest.o.g &&
2550 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2551 :
2552 else
2553 BUILD_CONFIG=
2554 fi
2555 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2556 ;;
2557 esac
2558fi
2559AC_MSG_RESULT($BUILD_CONFIG)
2560AC_SUBST(BUILD_CONFIG)
2561
2562# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2563AC_MSG_CHECKING([for --enable-vtable-verify])
2564AC_ARG_ENABLE(vtable-verify,
2565[ --enable-vtable-verify Enable vtable verification feature ],
2566[case "$enableval" in
2567 yes) enable_vtable_verify=yes ;;
2568 no) enable_vtable_verify=no ;;
2569 *) enable_vtable_verify=no;;
2570 esac],
2571[enable_vtable_verify=no])
2572AC_MSG_RESULT($enable_vtable_verify)
2573
4977bab6
ZW		 2574# Record target_configdirs and the configure arguments for target and
2575# build configuration in Makefile.
2576target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
23f6b2f9 2577build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
9e1c8fc1 2578bootstrap_fixincludes=no
4977bab6 2579
ad1e5170
JR		 2580# If we are building libgomp, bootstrap it.
2581if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2582 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2583fi
2584
beeda1d9
JJ		 2585# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2586# or bootstrap-ubsan, bootstrap it.
2587if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2588 case "$BUILD_CONFIG" in
2589 *bootstrap-asan* | *bootstrap-ubsan* )
2590 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
9e1c8fc1 2591 bootstrap_fixincludes=yes
beeda1d9
JJ		 2592 ;;
2593 esac
ac8701fe
L		 2594fi
2595
beeda1d9
JJ		 2596# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2597if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2598 test "$enable_vtable_verify" != no; then
2077db1b
CT		 2599 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2600fi
2601
4977bab6
ZW		 2602# Determine whether gdb needs tk/tcl or not.
2603# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2604# and in that case we want gdb to be built without tk. Ugh!
2605# In fact I believe gdb is the *only* package directly dependent on tk,
2606# so we should be able to put the 'maybe's in unconditionally and
2607# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2608# 100% sure that that's safe though.
e914a571 2609
b4f96efe 2610gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
4977bab6
ZW		 2611case "$enable_gdbtk" in
2612 no)
2613 GDB_TK="" ;;
e914a571
AC		 2614 yes)
2615 GDB_TK="${gdb_tk}" ;;
4977bab6 2616 *)
e914a571
AC		 2617 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2618 # distro. Eventually someone will fix this and move Insight, nee
2619 # gdbtk to a separate directory.
2620 if test -d ${srcdir}/gdb/gdbtk ; then
2621 GDB_TK="${gdb_tk}"
2622 else
2623 GDB_TK=""
2624 fi
2625 ;;
4977bab6 2626esac
ef9db8d5
DJ		 2627CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2628INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
4977bab6 2629
60975492 2630# Strip out unwanted targets.
8b87bb96
NN		 2631
2632# While at that, we remove Makefiles if we were started for recursive
2633# configuration, so that the top-level Makefile reconfigures them,
2634# like we used to do when configure itself was recursive.
8b87bb96 2635
3e54529c
RW		 2636# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2637# but now we're fixing up the Makefile ourselves with the additional
2638# commands passed to AC_CONFIG_FILES. Use separate variables
2639# extrasub-{build,host,target} not because there is any reason to split
2640# the substitutions up that way, but only to remain below the limit of
2641# 99 commands in a script, for HP-UX sed.
2642# Do not nest @if/@endif pairs, because configure will not warn you at all.
8b87bb96 2643
79cd2b23
RW		 2644case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2645 yes:yes:*\ gold\ *:*,c++,*) ;;
2646 yes:yes:*\ gold\ *:*)
2647 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2648 ;;
2649esac
2650
3e54529c 2651extrasub_build=
23f6b2f9 2652for module in ${build_configdirs} ; do
8b87bb96
NN		 2653 if test -z "${no_recursion}" \
2654 && test -f ${build_subdir}/${module}/Makefile; then
2655 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2656 rm -f ${build_subdir}/${module}/Makefile
2657 fi
3e54529c 2658 extrasub_build="$extrasub_build
60975492 2659/^@if build-$module\$/d
5607edfd
PB		 2660/^@endif build-$module\$/d
2661/^@if build-$module-$bootstrap_suffix\$/d
2662/^@endif build-$module-$bootstrap_suffix\$/d"
8b87bb96 2663done
3e54529c 2664extrasub_host=
8b87bb96 2665for module in ${configdirs} ; do
a6fbc1e2 2666 if test -z "${no_recursion}"; then
f063a9ed 2667 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
a6fbc1e2
AS		 2668 if test -f ${file}; then
2669 echo 1>&2 "*** removing ${file} to force reconfigure"
2670 rm -f ${file}
2671 fi
2672 done
8b87bb96 2673 fi
9e1c8fc1
JJ		 2674 case ${module},${bootstrap_fixincludes} in
2675 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2676 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2677 esac
3e54529c 2678 extrasub_host="$extrasub_host
60975492 2679/^@if $module\$/d
5607edfd 2680/^@endif $module\$/d
9e1c8fc1
JJ		 2681/^@if $module-$host_bootstrap_suffix\$/d
2682/^@endif $module-$host_bootstrap_suffix\$/d"
8b87bb96 2683done
3e54529c 2684extrasub_target=
8b87bb96
NN		 2685for module in ${target_configdirs} ; do
2686 if test -z "${no_recursion}" \
2687 && test -f ${target_subdir}/${module}/Makefile; then
2688 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2689 rm -f ${target_subdir}/${module}/Makefile
2690 fi
00020c16
ILT		 2691
2692 # We only bootstrap target libraries listed in bootstrap_target_libs.
2693 case $bootstrap_target_libs in
2694 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2695 *) target_bootstrap_suffix=no-bootstrap ;;
2696 esac
2697
3e54529c 2698 extrasub_target="$extrasub_target
60975492 2699/^@if target-$module\$/d
5607edfd 2700/^@endif target-$module\$/d
00020c16
ILT		 2701/^@if target-$module-$target_bootstrap_suffix\$/d
2702/^@endif target-$module-$target_bootstrap_suffix\$/d"
4977bab6 2703done
f516a7da 2704
3e54529c
RW		 2705# Do the final fixup along with target modules.
2706extrasub_target="$extrasub_target
60975492 2707/^@if /,/^@endif /d"
4977bab6
ZW		 2708
2709# Create the serialization dependencies. This uses a temporary file.
2710
ade82b16 2711AC_ARG_ENABLE([serial-configure],
33e39b66
AS		 2712[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2713 [force sequential configuration of
2714 sub-packages for the host, target or build
2715 machine, or all sub-packages])])
bf1d3e81
NN		 2716
2717case ${enable_serial_configure} in
2718 yes)
2719 enable_serial_build_configure=yes
2720 enable_serial_host_configure=yes
2721 enable_serial_target_configure=yes
2722 ;;
2723esac
ade82b16 2724
4977bab6
ZW		 2725# These force 'configure's to be done one at a time, to avoid problems
2726# with contention over a shared config.cache.
2727rm -f serdep.tmp
ade82b16 2728echo '# serdep.tmp' > serdep.tmp
4977bab6 2729olditem=
bf1d3e81 2730test "x${enable_serial_build_configure}" = xyes &&
4977bab6
ZW		 2731for item in ${build_configdirs} ; do
2732 case ${olditem} in
2733 "") ;;
ade82b16 2734 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2735 esac
2736 olditem=${item}
2737done
2738olditem=
bf1d3e81 2739test "x${enable_serial_host_configure}" = xyes &&
4977bab6
ZW		 2740for item in ${configdirs} ; do
2741 case ${olditem} in
2742 "") ;;
ade82b16 2743 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2744 esac
2745 olditem=${item}
2746done
2747olditem=
bf1d3e81 2748test "x${enable_serial_target_configure}" = xyes &&
4977bab6
ZW		 2749for item in ${target_configdirs} ; do
2750 case ${olditem} in
2751 "") ;;
ade82b16 2752 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2753 esac
2754 olditem=${item}
2755done
671aa708
NN		 2756serialization_dependencies=serdep.tmp
2757AC_SUBST_FILE(serialization_dependencies)
fe3d5b7f 2758
ade82b16 2759# Base args. Strip norecursion, cache-file, srcdir, host, build,
1c710c3c 2760# target, nonopt, and variable assignments. These are the ones we
f1a036e4
NC		 2761# might not want to pass down to subconfigures. The exception being
2762# --cache-file=/dev/null, which is used to turn off the use of cache
2763# files altogether, and which should be passed on to subconfigures.
2764# Also strip program-prefix, program-suffix, and program-transform-name,
2765# so that we can pass down a consistent program-transform-name.
1c710c3c 2766baseargs=
29a63921 2767tbaseargs=
1c710c3c
DJ		 2768keep_next=no
2769skip_next=no
2770eval "set -- $ac_configure_args"
44bfc3ac
DJ		 2771for ac_arg
2772do
1c710c3c
DJ		 2773 if test X"$skip_next" = X"yes"; then
2774 skip_next=no
2775 continue
2776 fi
2777 if test X"$keep_next" = X"yes"; then
2778 case $ac_arg in
2779 *\'*)
2780 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2781 esac
2782 baseargs="$baseargs '$ac_arg'"
29a63921 2783 tbaseargs="$tbaseargs '$ac_arg'"
1c710c3c
DJ		 2784 keep_next=no
2785 continue
2786 fi
2787
2788 # Handle separated arguments. Based on the logic generated by
2789 # autoconf 2.59.
2790 case $ac_arg in
2791 *=* | --config-cache | -C | -disable-* | --disable-* \
2792 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2793 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2794 | -with-* | --with-* | -without-* | --without-* | --x)
2795 separate_arg=no
2796 ;;
2797 -*)
2798 separate_arg=yes
2799 ;;
2800 *)
2801 separate_arg=no
2802 ;;
2803 esac
2804
29a63921
AO		 2805 skip_targ=no
2806 case $ac_arg in
2807changequote(,)
2808 --with-* | --without-*)
2809 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2810
2811 case $libopt in
2812 *[-_]include)
2813 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2814 ;;
2815 *[-_]lib)
2816 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2817 ;;
2818 *)
2819 lib=$libopt
2820 ;;
2821 esac
2822changequote([,])
2823
2824 case $lib in
4a9bb2aa 2825 mpc | mpfr | gmp | isl)
29a63921
AO		 2826 # If we're processing --with-$lib, --with-$lib-include or
2827 # --with-$lib-lib, for one of the libs above, and target is
2828 # different from host, don't pass the current argument to any
2829 # target library's configure.
2830 if test x$is_cross_compiler = xyes; then
2831 skip_targ=yes
2832 fi
2833 ;;
2834 esac
2835 ;;
2836 esac
2837
1c710c3c 2838 case "$ac_arg" in
f1a036e4
NC		 2839 --cache-file=/dev/null | \
2840 -cache-file=/dev/null )
2841 # Handled here to avoid the test to skip args below.
2842 baseargs="$baseargs '$ac_arg'"
29a63921 2843 tbaseargs="$tbaseargs '$ac_arg'"
f1a036e4
NC		 2844 # Assert: $separate_arg should always be no.
2845 keep_next=$separate_arg
2846 ;;
1c710c3c
DJ		 2847 --no*)
2848 continue
2849 ;;
2850 --c* | \
2851 --sr* | \
2852 --ho* | \
2853 --bu* | \
2854 --t* | \
2855 --program-* | \
2856 -cache_file* | \
2857 -srcdir* | \
2858 -host* | \
2859 -build* | \
2860 -target* | \
2861 -program-prefix* | \
2862 -program-suffix* | \
2863 -program-transform-name* )
2864 skip_next=$separate_arg
2865 continue
2866 ;;
2867 -*)
2868 # An option. Add it.
2869 case $ac_arg in
2870 *\'*)
2871 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2872 esac
2873 baseargs="$baseargs '$ac_arg'"
29a63921
AO		 2874 if test X"$skip_targ" = Xno; then
2875 tbaseargs="$tbaseargs '$ac_arg'"
2876 fi
1c710c3c
DJ		 2877 keep_next=$separate_arg
2878 ;;
2879 *)
2880 # Either a variable assignment, or a nonopt (triplet). Don't
2881 # pass it down; let the Makefile handle this.
2882 continue
2883 ;;
2884 esac
2885done
2886# Remove the initial space we just introduced and, as these will be
2887# expanded by make, quote '$'.
2888baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
6599da04 2889
43bb47c2
DJ		 2890# Add in --program-transform-name, after --program-prefix and
2891# --program-suffix have been applied to it. Autoconf has already
2892# doubled dollar signs and backslashes in program_transform_name; we want
2893# the backslashes un-doubled, and then the entire thing wrapped in single
2894# quotes, because this will be expanded first by make and then by the shell.
2895# Also, because we want to override the logic in subdir configure scripts to
2896# choose program_transform_name, replace any s,x,x, with s,y,y,.
2897sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2898${program_transform_name}
2899EOF_SED
2900gcc_transform_name=`cat conftestsed.out`
2901rm -f conftestsed.out
2902baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
29a63921 2903tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
d9acb717
RW		 2904if test "$silent" = yes; then
2905 baseargs="$baseargs --silent"
29a63921 2906 tbaseargs="$tbaseargs --silent"
d9acb717 2907fi
0115d4a3 2908baseargs="$baseargs --disable-option-checking"
29a63921 2909tbaseargs="$tbaseargs --disable-option-checking"
43bb47c2 2910
ffedf511
RW		 2911# Record and document user additions to sub configure arguments.
2912AC_ARG_VAR([build_configargs],
2913 [additional configure arguments for build directories])
2914AC_ARG_VAR([host_configargs],
2915 [additional configure arguments for host directories])
2916AC_ARG_VAR([target_configargs],
2917 [additional configure arguments for target directories])
2918
e490616e
ZW		 2919# For the build-side libraries, we just need to pretend we're native,
2920# and not use the same cache file. Multilibs are neither needed nor
3d96b0d0
HPN		 2921# desired. We can't even use the same cache file for all build-side
2922# libraries, as they're compiled differently; some with C, some with
2923# C++ or with different feature-enabling options.
2924build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
e254d6b5 2925
4977bab6
ZW		 2926# For host modules, accept cache file option, or specification as blank.
2927case "${cache_file}" in
2928"") # empty
2929 cache_file_option="" ;;
671aa708 2930/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
4977bab6
ZW		 2931 cache_file_option="--cache-file=${cache_file}" ;;
2932*) # relative path
2933 cache_file_option="--cache-file=../${cache_file}" ;;
2934esac
2935
09438bde
NN		 2936# Host dirs don't like to share a cache file either, horribly enough.
2937# This seems to be due to autoconf 2.5x stupidity.
ffedf511 2938host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
4977bab6 2939
29a63921 2940target_configargs="$target_configargs ${tbaseargs}"
e490616e 2941
6599da04
JM		 2942# Passing a --with-cross-host argument lets the target libraries know
2943# whether they are being built with a cross-compiler or being built
2944# native. However, it would be better to use other mechanisms to make the
2945# sorts of decisions they want to make on this basis. Please consider
2946# this option to be deprecated. FIXME.
aeaa0f2f 2947if test x${is_cross_compiler} = xyes ; then
1c710c3c 2948 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
6599da04
JM		 2949fi
2950
79e0604d
FXC		 2951# Special user-friendly check for native x86_64-linux build, if
2952# multilib is not explicitly enabled.
2953case "$target:$have_compiler:$host:$target:$enable_multilib" in
2954 x86_64-*linux*:yes:$build:$build:)
2955 # Make sure we have a developement environment that handles 32-bit
2956 dev64=no
2957 echo "int main () { return 0; }" > conftest.c
2958 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2959 if test $? = 0 ; then
2960 if test -s conftest || test -s conftest.exe ; then
2961 dev64=yes
2962 fi
2963 fi
2964 rm -f conftest*
2965 if test x${dev64} != xyes ; then
2966 AC_MSG_ERROR([I suspect your system does not have 32-bit developement 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.])
2967 fi
2968 ;;
2969esac
2970
dc683a3f
RW		 2971# Default to --enable-multilib.
2972if test x${enable_multilib} = x ; then
3fedb745 2973 target_configargs="--enable-multilib ${target_configargs}"
dc683a3f 2974fi
6599da04 2975
5d4a5ee6
JL		 2976# Pass --with-newlib if appropriate. Note that target_configdirs has
2977# changed from the earlier setting of with_newlib.
aeaa0f2f 2978if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3fedb745 2979 target_configargs="--with-newlib ${target_configargs}"
5d4a5ee6
JL		 2980fi
2981
6b9eb62c
NN		 2982# Different target subdirs use different values of certain variables
2983# (notably CXX). Worse, multilibs use *lots* of different values.
2984# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2985# it doesn't automatically accept command-line overrides of them.
2986# This means it's not safe for target subdirs to share a cache file,
2987# which is disgusting, but there you have it. Hopefully this can be
2988# fixed in future. It's still worthwhile to use a cache file for each
2989# directory. I think.
2990
bebcd931
MS		 2991# Pass the appropriate --build, --host, --target and --cache-file arguments.
2992# We need to pass --target, as newer autoconf's requires consistency
2993# for target_alias and gcc doesn't manage it consistently.
e69bf64b 2994target_configargs="--cache-file=./config.cache ${target_configargs}"
e490616e 2995
b87487b6 2996FLAGS_FOR_TARGET=
bb654703 2997case " $target_configdirs " in
7965440a 2998 *" newlib "*)
3fedb745 2999 case " $target_configargs " in
7965440a 3000 *" --with-newlib "*)
b87487b6 3001 case "$target" in
5d571eaa 3002 *-cygwin*)
443e6238 3003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
5d571eaa 3004 ;;
b87487b6
AO		 3005 esac
3006
afd7db25 3007 # If we're not building GCC, don't discard standard headers.
ef40bc65 3008 if test -d ${srcdir}/gcc; then
d4eb109c 3009 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
afd7db25
AO		 3010
3011 if test "${build}" != "${host}"; then
3012 # On Canadian crosses, CC_FOR_TARGET will have already been set
3013 # by `configure', so we won't have an opportunity to add -Bgcc/
3014 # to it. This is right: we don't want to search that directory
3015 # for binaries, but we want the header files in there, so add
3016 # them explicitly.
0463992b 3017 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
afd7db25
AO		 3018
3019 # Someone might think of using the pre-installed headers on
3020 # Canadian crosses, in case the installed compiler is not fully
3021 # compatible with the compiler being built. In this case, it
3022 # would be better to flag an error than risking having
3023 # incompatible object files being constructed. We can't
3024 # guarantee that an error will be flagged, but let's hope the
3025 # compiler will do it, when presented with incompatible header
3026 # files.
3027 fi
d4eb109c
AO		 3028 fi
3029
ab50d72b 3030 case "${target}-${is_cross_compiler}" in
f2a0e225 3031 i[[3456789]]86-*-linux*-no)
ab50d72b
DD		 3032 # Here host == target, so we don't need to build gcc,
3033 # so we don't want to discard standard headers.
3034 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
ab50d72b
DD		 3035 ;;
3036 *)
3037 # If we're building newlib, use its generic headers last, but search
3038 # for any libc-related directories first (so make it the last -B
3039 # switch).
3040 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
c03353e2
RIL		 3041
3042 # If we're building libgloss, find the startup file, simulator library
3043 # and linker script.
3044 case " $target_configdirs " in
3045 *" libgloss "*)
3046 # Look for startup file, simulator library and maybe linker script.
3047 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3048 # Look for libnosys.a in case the target needs it.
3049 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3050 # Most targets have the linker script in the source directory.
3051 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3052 ;;
3053 esac
ab50d72b
DD		 3054 ;;
3055 esac
b87487b6 3056 ;;
7965440a
AO		 3057 esac
3058 ;;
b87487b6 3059esac
5d571eaa 3060
b91f0a41 3061case "$target" in
5d571eaa
OS		 3062 x86_64-*mingw* | *-w64-mingw*)
3063 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3064 # however, use a symlink named 'mingw' in ${prefix} .
3065 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3066 ;;
3067 *-mingw*)
3068 # MinGW can't be handled as Cygwin above since it does not use newlib.
3069 FLAGS_FOR_TARGET=$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'
3070 ;;
b91f0a41 3071esac
d4eb109c 3072
6691a79e
ME		 3073# Allow the user to override the flags for
3074# our build compiler if desired.
f019adc1
MF		 3075if test x"${build}" = x"${host}" ; then
3076 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3077 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3078 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3079fi
6691a79e 3080
d4eb109c
AO		 3081# On Canadian crosses, we'll be searching the right directories for
3082# the previously-installed cross compiler, so don't bother to add
3083# flags for directories within the install tree of the compiler
3084# being built; programs in there won't even run.
ef40bc65 3085if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
b87487b6 3086 # Search for pre-installed headers if nothing else fits.
9124bc53 3087 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
b87487b6 3088fi
d4eb109c 3089
bb654703 3090if test "x${use_gnu_ld}" = x &&
55380b08 3091 echo " ${configdirs} " | grep " ld " > /dev/null ; then
b87487b6 3092 # Arrange for us to find uninstalled linker scripts.
215c351a 3093 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
b87487b6
AO		 3094fi
3095
e88a2c09
DD		 3096# Search for other target-specific linker scripts and such.
3097case "${target}" in
3e19841a
PB		 3098 mep*)
3099 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3100 ;;
e88a2c09
DD		 3101esac
3102
671aa708 3103# Makefile fragments.
7b61653a
PE		 3104for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3105do
3106 eval fragval=\$$frag
3107 if test $fragval != /dev/null; then
3108 eval $frag=${srcdir}/$fragval
3109 fi
3110done
671aa708
NN		 3111AC_SUBST_FILE(host_makefile_frag)
3112AC_SUBST_FILE(target_makefile_frag)
3113AC_SUBST_FILE(alphaieee_frag)
3114AC_SUBST_FILE(ospace_frag)
3115
3116# Miscellanea: directories, flags, etc.
671aa708 3117AC_SUBST(RPATH_ENVVAR)
d89f0ad6 3118AC_SUBST(GCC_SHLIB_SUBDIR)
671aa708
NN		 3119AC_SUBST(tooldir)
3120AC_SUBST(build_tooldir)
ef9db8d5 3121AC_SUBST(CONFIGURE_GDB_TK)
671aa708 3122AC_SUBST(GDB_TK)
ef9db8d5 3123AC_SUBST(INSTALL_GDB_TK)
671aa708
NN		 3124
3125# Build module lists & subconfigure args.
671aa708 3126AC_SUBST(build_configargs)
23f6b2f9 3127AC_SUBST(build_configdirs)
671aa708
NN		 3128
3129# Host module lists & subconfigure args.
3130AC_SUBST(host_configargs)
3131AC_SUBST(configdirs)
aae29963 3132AC_SUBST(target_configdirs)
671aa708
NN		 3133
3134# Target module lists & subconfigure args.
671aa708 3135AC_SUBST(target_configargs)
ee2312f3 3136
671aa708
NN		 3137
3138# Build tools.
0999159b
PB		 3139AC_SUBST(AR_FOR_BUILD)
3140AC_SUBST(AS_FOR_BUILD)
671aa708 3141AC_SUBST(CC_FOR_BUILD)
0999159b
PB		 3142AC_SUBST(CFLAGS_FOR_BUILD)
3143AC_SUBST(CXXFLAGS_FOR_BUILD)
3144AC_SUBST(CXX_FOR_BUILD)
3145AC_SUBST(DLLTOOL_FOR_BUILD)
3146AC_SUBST(GCJ_FOR_BUILD)
3147AC_SUBST(GFORTRAN_FOR_BUILD)
632e2a07 3148AC_SUBST(GOC_FOR_BUILD)
0999159b
PB		 3149AC_SUBST(LDFLAGS_FOR_BUILD)
3150AC_SUBST(LD_FOR_BUILD)
3151AC_SUBST(NM_FOR_BUILD)
3152AC_SUBST(RANLIB_FOR_BUILD)
3153AC_SUBST(WINDMC_FOR_BUILD)
3154AC_SUBST(WINDRES_FOR_BUILD)
671aa708 3155
2abefe3d
PB		 3156# Generate default definitions for YACC, M4, LEX and other programs that run
3157# on the build machine. These are used if the Makefile can't locate these
3158# programs in objdir.
3159MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3160
3161AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3162case " $build_configdirs " in
3163 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2abefe3d
PB		 3164esac
3165
3166AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3167case " $build_configdirs " in
3168 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3169esac
3170
3171AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3172case " $build_configdirs " in
3173 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3174esac
3175
3176AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3177case " $build_configdirs " in
3178 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3179 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3180esac
3181
3182AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3183case " $build_configdirs " in
3184 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3185esac
3186
3187AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3188case " $build_configdirs " in
3189 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3190 *)
3191changequote(,)
d18ff35a 3192 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2abefe3d
PB		 3193 # higher, else we use the "missing" dummy.
3194 if ${MAKEINFO} --version \
d18ff35a 3195 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2abefe3d
PB		 3196 :
3197 else
3198 MAKEINFO="$MISSING makeinfo"
3199 fi
3200 ;;
3201changequote([,])
3202esac
3203
3204# FIXME: expect and dejagnu may become build tools?
3205
3206AC_CHECK_PROGS(EXPECT, expect, expect)
3207case " $configdirs " in
3208 *" expect "*)
3209 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3210 ;;
3211esac
3212
3213AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3214case " $configdirs " in
3215 *" dejagnu "*)
c394e891 3216 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2abefe3d
PB		 3217 ;;
3218esac
3219
3220
671aa708 3221# Host tools.
2693c0b0
PB		 3222NCN_STRICT_CHECK_TOOLS(AR, ar)
3223NCN_STRICT_CHECK_TOOLS(AS, as)
3224NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3225NCN_STRICT_CHECK_TOOLS(LD, ld)
2abefe3d 3226NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2693c0b0 3227NCN_STRICT_CHECK_TOOLS(NM, nm)
8927b7c0
RO		 3228NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3229NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
2693c0b0 3230NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
901119ae 3231NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2693c0b0
PB		 3232NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3233NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
e7a82751 3234NCN_STRICT_CHECK_TOOLS(READELF, readelf)
671aa708
NN		 3235AC_SUBST(CC)
3236AC_SUBST(CXX)
3237AC_SUBST(CFLAGS)
3238AC_SUBST(CXXFLAGS)
671aa708 3239
2abefe3d 3240# Target tools.
e8b05380 3241AC_ARG_WITH([build-time-tools],
33e39b66
AS		 3242 [AS_HELP_STRING([--with-build-time-tools=PATH],
3243 [use given path to find target tools during the build])],
e8b05380
PB		 3244 [case x"$withval" in
3245 x/*) ;;
3246 *)
3247 with_build_time_tools=
3248 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3249 ;;
3250 esac],
3251 [with_build_time_tools=])
3252
2693c0b0
PB		 3253NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3254NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2693c0b0
PB		 3255NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3256NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3257NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
632e2a07 3258NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
e8b05380
PB		 3259
3260ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3261ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3262ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3263ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3264ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3265ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3266ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
8927b7c0 3267ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
e7a82751 3268ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
e8b05380
PB		 3269ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3270ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
901119ae 3271ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
4de997d1 3272
2abefe3d
PB		 3273RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3274
3275GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3276GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3277GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
b3f122e0 3278dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
2abefe3d 3279GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2077db1b 3280 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
2abefe3d
PB		 3281 c++)
3282GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2077db1b 3283 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
2abefe3d
PB		 3284 c++)
3285GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3286GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3287GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3288 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3289GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3290 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
632e2a07
ILT		 3291GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3292 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
2abefe3d
PB		 3293GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3294GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3295GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3296GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3297GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
e7a82751 3298GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
455c8f48 3299GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
2abefe3d 3300GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
901119ae 3301GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
4de997d1 3302
2abefe3d 3303AC_SUBST(FLAGS_FOR_TARGET)
4de997d1 3304AC_SUBST(RAW_CXX_FOR_TARGET)
be912515 3305
671aa708
NN		 3306# Certain tools may need extra flags.
3307AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3308RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3309NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
6599da04 3310
2abefe3d
PB		 3311# When building target libraries, except in a Canadian cross, we use
3312# the same toolchain as the compiler we just built.
3313COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3314COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3315COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3316if test $host = $build; then
3317 case " $configdirs " in
3318 *" gcc "*)
3319 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3320 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3321 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3322 ;;
3323 esac
3324fi
3325
3326AC_SUBST(COMPILER_AS_FOR_TARGET)
3327AC_SUBST(COMPILER_LD_FOR_TARGET)
3328AC_SUBST(COMPILER_NM_FOR_TARGET)
3329
ee03dc5e
AO		 3330AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3331AC_ARG_ENABLE(maintainer-mode,
33e39b66
AS		 3332[AS_HELP_STRING([--enable-maintainer-mode],
3333 [enable make rules and dependencies not useful
3334 (and sometimes confusing) to the casual installer])],
ee03dc5e
AO		 3335 USE_MAINTAINER_MODE=$enableval,
3336 USE_MAINTAINER_MODE=no)
3337AC_MSG_RESULT($USE_MAINTAINER_MODE)
3338AC_SUBST(MAINTAINER_MODE_TRUE)
3339AC_SUBST(MAINTAINER_MODE_FALSE)
3340if test "$USE_MAINTAINER_MODE" = yes; then
3341 MAINTAINER_MODE_TRUE=
3342 MAINTAINER_MODE_FALSE='#'
3343else
3344 MAINTAINER_MODE_TRUE='#'
3345 MAINTAINER_MODE_FALSE=
3346fi
3347MAINT=$MAINTAINER_MODE_TRUE
3348AC_SUBST(MAINT)dnl
3349
2805b53a
NN		 3350# ---------------------
3351# GCC bootstrap support
3352# ---------------------
3353
3354# Stage specific cflags for build.
3355stage1_cflags="-g"
3356case $build in
3357 vax-*-*)
3358 case ${GCC} in
3359 yes) stage1_cflags="-g -Wa,-J" ;;
3360 *) stage1_cflags="-g -J" ;;
3361 esac ;;
2805b53a 3362esac
0b50988a 3363
2805b53a
NN		 3364AC_SUBST(stage1_cflags)
3365
8efea775
PB		 3366# Enable --enable-checking in stage1 of the compiler.
3367AC_ARG_ENABLE(stage1-checking,
33e39b66
AS		 3368[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3369 [choose additional checking for stage1 of the compiler])],
8efea775 3370[stage1_checking=--enable-checking=${enable_stage1_checking}],
e643dc23 3371[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
7e98624c 3372 stage1_checking=--enable-checking=yes,types
8efea775 3373else
e643dc23 3374 stage1_checking=--enable-checking=$enable_checking,types
8efea775
PB		 3375fi])
3376AC_SUBST(stage1_checking)
3377
2805b53a 3378# Enable -Werror in bootstrap stage2 and later.
2805b53a 3379AC_ARG_ENABLE(werror,
33e39b66
AS		 3380[AS_HELP_STRING([--enable-werror],
3381 [enable -Werror in bootstrap stage2 and later])], [],
416cfb5e 3382[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
88fceb68
PB		 3383 enable_werror=yes
3384else
3385 enable_werror=no
3386fi])
09a9c095
NN		 3387case ${enable_werror} in
3388 yes) stage2_werror_flag="--enable-werror-always" ;;
3389 *) stage2_werror_flag="" ;;
2805b53a 3390esac
09a9c095 3391AC_SUBST(stage2_werror_flag)
2805b53a 3392
459260ec
DM		 3393# Enable --enable-host-shared.
3394AC_ARG_ENABLE(host-shared,
3395[AS_HELP_STRING([--enable-host-shared],
3396 [build host code as shared libraries])],
3397[host_shared=$enableval], [host_shared=no])
3398AC_SUBST(host_shared)
3399
f2689b09
SE		 3400# Specify what files to not compare during bootstrap.
3401
3402compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3403case "$target" in
3404 hppa*64*-*-hpux*) ;;
3405 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
d7a29167 3406 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
f2689b09
SE		 3407esac
3408AC_SUBST(compare_exclusions)
3409
3e54529c
RW		 3410AC_CONFIG_FILES([Makefile],
3411 [sed "$extrasub_build" Makefile |
3412 sed "$extrasub_host" |
3413 sed "$extrasub_target" > mf$$
3414 mv -f mf$$ Makefile],
3415 [extrasub_build="$extrasub_build"
3416 extrasub_host="$extrasub_host"
3417 extrasub_target="$extrasub_target"])
3418AC_OUTPUT
GNU Compiler Collection
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