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[thirdparty/gcc.git] / configure.ac
CommitLineData
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 \
5f520819 159 target-liboffloadmic \
48310492 160 target-libatomic \
0a35513e 161 target-libitm \
cb543528 162 target-libstdc++-v3 \
f35db108 163 target-libsanitizer \
2077db1b 164 target-libvtv \
77008252 165 target-libssp \
1ec601bf 166 target-libquadmath \
6de9cd9a 167 target-libgfortran \
7cd0cf9c 168 target-boehm-gc \
77d187bc 169 ${libgcj} \
d9cdb878 170 target-libobjc \
632e2a07
ILT		 171 target-libada \
172 target-libgo"
6599da04 173
4dbda6f0
NN		 174# these tools are built using the target libraries, and are intended to
175# run only in the target environment
6599da04 176#
4dbda6f0 177# note: any program that *uses* libraries that are in the "target_libraries"
1bcce263 178# list belongs in this list.
6599da04 179#
85bfb75e 180target_tools="target-rda"
6599da04
JM		 181
182################################################################################
183
6599da04
JM		 184## All tools belong in one of the four categories, and are assigned above
185## We assign ${configdirs} this way to remove all embedded newlines. This
186## is important because configure will choke if they ever get through.
187## ${configdirs} is directories we build using the host tools.
188## ${target_configdirs} is directories we build using the target tools.
6599da04 189configdirs=`echo ${host_libs} ${host_tools}`
4dbda6f0 190target_configdirs=`echo ${target_libraries} ${target_tools}`
71b5d516 191build_configdirs=`echo ${build_libs} ${build_tools}`
8b87bb96 192
ac9e6043 193m4_divert_text([PARSE_ARGS],
87841584
AM		 194[case $srcdir in
195 *" "*)
196m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198m4_popdef([AS_MESSAGE_LOG_FD])dnl
199 ;;
200esac
201ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
ac9e6043
RW		 202])
203
6599da04
JM		 204################################################################################
205
6599da04
JM		 206srcname="gnu development package"
207
208# This gets set non-empty for some net releases of packages.
209appdirs=""
210
e1848dde
NN		 211# Define is_cross_compiler to save on calls to 'test'.
212is_cross_compiler=
213if test x"${host}" = x"${target}" ; then
214 is_cross_compiler=no
215else
216 is_cross_compiler=yes
217fi
218
b4acb5ef 219# Find the build and target subdir names.
8b87bb96 220GCC_TOPLEV_SUBDIRS
0db770bd
RW		 221# Be sure to cover against remnants of an in-tree build.
222if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224Use a pristine source tree when building in a separate tree])
225fi
f653f0ab 226
55380b08
NN		 227# Skipdirs are removed silently.
228skipdirs=
229# Noconfigdirs are removed loudly.
230noconfigdirs=""
6599da04 231
55380b08
NN		 232use_gnu_ld=
233# Make sure we don't let GNU ld be added if we didn't want it.
234if test x$with_gnu_ld = xno ; then
235 use_gnu_ld=no
5afab7ad 236 noconfigdirs="$noconfigdirs ld gold"
6599da04
JM		 237fi
238
55380b08
NN		 239use_gnu_as=
240# Make sure we don't let GNU as be added if we didn't want it.
241if test x$with_gnu_as = xno ; then
242 use_gnu_as=no
243 noconfigdirs="$noconfigdirs gas"
6599da04
JM		 244fi
245
d7f09764
DN		 246use_included_zlib=
247# Make sure we don't let ZLIB be added if we didn't want it.
248if test x$with_system_zlib = xyes ; then
249 use_included_zlib=no
250 noconfigdirs="$noconfigdirs zlib"
251fi
252
55380b08
NN		 253# some tools are so dependent upon X11 that if we're not building with X,
254# it's not even worth trying to configure, much less build, that tool.
6599da04 255
55380b08
NN		 256case ${with_x} in
257 yes | "") ;; # the default value for this tree is that X11 is available
423ce3eb 258 no)
b4f96efe 259 skipdirs="${skipdirs} tk itcl libgui"
423ce3eb
NN		 260 # We won't be able to build gdbtk without X.
261 enable_gdbtk=no
262 ;;
55380b08
NN		 263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264esac
6599da04 265
1bcce263 266# Some are only suitable for cross toolchains.
95ddd785
NN		 267# Remove these if host=target.
268cross_only="target-libgloss target-newlib target-opcodes"
6599da04 269
55380b08
NN		 270case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
55380b08 272esac
6599da04 273
0c639b89
DD		 274# If both --with-headers and --with-libs are specified, default to
275# --without-newlib.
9082a750
MR		 276if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
0c639b89
DD		 278 if test x"${with_newlib}" = x ; then
279 with_newlib=no
280 fi
281fi
282
283# Recognize --with-newlib/--without-newlib.
284case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287esac
288
85c64bbe
BS		 289AC_ARG_ENABLE(as-accelerator-for,
290[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
291 [build as offload target compiler.
292 Specify offload host triple by ARG])],
293ENABLE_AS_ACCELERATOR_FOR=$enableval,
294ENABLE_AS_ACCELERATOR_FOR=no)
295
296AC_ARG_ENABLE(offload-targets,
297[AS_HELP_STRING([--enable-offload-targets=LIST],
298 [enable offloading to devices from comma-separated LIST of
299 TARGET[=DIR]. Use optional path to find offload target compiler
300 during the build])],
301[
302 if test x"$enable_offload_targets" = x; then
303 AC_MSG_ERROR([no offload targets specified])
304 fi
305], [enable_offload_targets=])
306
21539e2e
MK		 307# Handle --enable-gold, --enable-ld.
308# --disable-gold [--enable-ld]
309# Build only ld. Default option.
9580395f
L		 310# --enable-gold [--enable-ld]
311# Build both gold and ld. Install gold as "ld.gold", install ld
312# as "ld.bfd" and "ld".
313# --enable-gold=default [--enable-ld]
21539e2e
MK		 314# Build both gold and ld. Install gold as "ld.gold" and "ld",
315# install ld as "ld.bfd".
316# --enable-gold[=default] --disable-ld
317# Build only gold, which is then installed as both "ld.gold" and "ld".
318# --enable-gold --enable-ld=default
9580395f
L		 319# Build both gold (installed as "ld.gold") and ld (installed as "ld"
320# and ld.bfd).
21539e2e
MK		 321# In other words, ld is default
322# --enable-gold=default --enable-ld=default
323# Error.
324
325default_ld=
5afab7ad 326AC_ARG_ENABLE(gold,
33e39b66
AS		 327[AS_HELP_STRING([[--enable-gold[=ARG]]],
328 [build gold @<:@ARG={default,yes,no}@:>@])],
5afab7ad
ILT		 329ENABLE_GOLD=$enableval,
330ENABLE_GOLD=no)
21539e2e
MK		 331case "${ENABLE_GOLD}" in
332 yes|default)
38e3d868
RM		 333 # Check for ELF target.
334 is_elf=no
335 case "${target}" in
336 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
0e76460f 337 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
8c6d158a 338 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
ff4b7a7e 339 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
38e3d868
RM		 340 case "${target}" in
341 *-*-linux*aout* | *-*-linux*oldld*)
342 ;;
343 *)
344 is_elf=yes
345 ;;
346 esac
347 esac
348
349 if test "$is_elf" = "yes"; then
350 # Check for target supported by gold.
5afab7ad 351 case "${target}" in
7705dfd1
JY		 352 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
353 | aarch64*-*-* | tilegx*-*-*)
21539e2e
MK		 354 configdirs="$configdirs gold"
355 if test x${ENABLE_GOLD} = xdefault; then
356 default_ld=gold
357 fi
38e3d868 358 ENABLE_GOLD=yes
5afab7ad
ILT		 359 ;;
360 esac
38e3d868
RM		 361 fi
362 ;;
363 no)
364 ;;
365 *)
366 AC_MSG_ERROR([invalid --enable-gold argument])
367 ;;
21539e2e
MK		 368esac
369
370AC_ARG_ENABLE(ld,
33e39b66
AS		 371[AS_HELP_STRING([[--enable-ld[=ARG]]],
372 [build ld @<:@ARG={default,yes,no}@:>@])],
21539e2e
MK		 373ENABLE_LD=$enableval,
374ENABLE_LD=yes)
375
376case "${ENABLE_LD}" in
377 default)
9580395f 378 if test x${default_ld} != x; then
21539e2e
MK		 379 AC_MSG_ERROR([either gold or ld can be the default ld])
380 fi
381 ;;
382 yes)
383 ;;
384 no)
385 if test x${ENABLE_GOLD} != xyes; then
386 AC_MSG_WARN([neither ld nor gold are enabled])
387 fi
388 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
389 ;;
390 *)
391 AC_MSG_ERROR([invalid --enable-ld argument])
392 ;;
393esac
5afab7ad 394
6599da04
JM		 395# Configure extra directories which are host specific
396
397case "${host}" in
55380b08 398 *-cygwin*)
4977bab6 399 configdirs="$configdirs libtermcap" ;;
6599da04
JM		 400esac
401
4fab7234
HPN		 402# A target can indicate whether a language isn't supported for some reason.
403# Only spaces may be used in this macro; not newlines or tabs.
404unsupported_languages=
405
6599da04
JM		 406# Remove more programs from consideration, based on the host or
407# target this usually means that a port of the program doesn't
408# exist yet.
409
6599da04 410case "${host}" in
111eeb6e 411 i[[3456789]]86-*-msdosdjgpp*)
c9bdb152 412 noconfigdirs="$noconfigdirs tcl tk itcl"
5d4a5ee6 413 ;;
6599da04
JM		 414esac
415
6de9cd9a 416
87e6d9dc
TB		 417AC_ARG_ENABLE(libquadmath,
418AS_HELP_STRING([--disable-libquadmath],
419 [do not build libquadmath directory]),
420ENABLE_LIBQUADMATH=$enableval,
421ENABLE_LIBQUADMATH=yes)
422if test "${ENABLE_LIBQUADMATH}" = "no" ; then
423 noconfigdirs="$noconfigdirs target-libquadmath"
424fi
425
426
427AC_ARG_ENABLE(libquadmath-support,
428AS_HELP_STRING([--disable-libquadmath-support],
429 [disable libquadmath support for Fortran]),
430ENABLE_LIBQUADMATH_SUPPORT=$enableval,
431ENABLE_LIBQUADMATH_SUPPORT=yes)
432enable_libquadmath_support=
433if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
434 enable_libquadmath_support=no
435fi
436
437
d9cdb878 438AC_ARG_ENABLE(libada,
33e39b66 439[AS_HELP_STRING([--enable-libada], [build libada directory])],
d9cdb878
AC		 440ENABLE_LIBADA=$enableval,
441ENABLE_LIBADA=yes)
442if test "${ENABLE_LIBADA}" != "yes" ; then
5395b47b 443 noconfigdirs="$noconfigdirs gnattools"
d9cdb878
AC		 444fi
445
ef0087a7 446AC_ARG_ENABLE(libssp,
33e39b66 447[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ef0087a7
KH		 448ENABLE_LIBSSP=$enableval,
449ENABLE_LIBSSP=yes)
ef0087a7 450
2588b26e
RM		 451AC_ARG_ENABLE(libstdcxx,
452AS_HELP_STRING([--disable-libstdcxx],
453 [do not build libstdc++-v3 directory]),
454ENABLE_LIBSTDCXX=$enableval,
455ENABLE_LIBSTDCXX=default)
456[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1007a55c 457 noconfigdirs="$noconfigdirs target-libstdc++-v3"
2588b26e
RM		 458fi]
459
5f520819
KY		 460# If this is accelerator compiler and its target is intelmic we enable
461# target liboffloadmic by default. If this is compiler with offloading
462# for intelmic we enable host liboffloadmic by default. Otherwise
463# liboffloadmic is disabled by default.
464AC_ARG_ENABLE([liboffloadmic],
465AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
466 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
467[case "$enableval" in
468 no | host | target)
469 enable_liboffloadmic=$enableval ;;
470 *)
471 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
472esac],
473[if test "${ENABLE_AS_ACCELERATOR_FOR}" != "no"; then
474 case "${target}" in
475 *-intelmic-* | *-intelmicemul-*)
476 enable_liboffloadmic=target
477 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
478 ;;
479 *)
480 enable_liboffloadmic=no
481 ;;
482 esac
483else
484 case "${enable_offload_targets}" in
485 *-intelmic-* | *-intelmicemul-*)
486 enable_liboffloadmic=host
487 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
488 ;;
489 *)
490 enable_liboffloadmic=no
491 ;;
492 esac
493fi])
494AC_SUBST(extra_liboffloadmic_configure_flags)
495
8343765d
AO		 496# Save it here so that, even in case of --enable-libgcj, if the Java
497# front-end isn't enabled, we still get libgcj disabled.
498libgcj_saved=$libgcj
499case $enable_libgcj in
500yes)
501 # If we reset it here, it won't get added to noconfigdirs in the
502 # target-specific build rules, so it will be forcibly enabled
503 # (unless the Java language itself isn't enabled).
504 libgcj=
505 ;;
506no)
507 # Make sure we get it printed in the list of not supported target libs.
4da3b0f8
ILT		 508 # Don't disable libffi, though, other languages use it.
509 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
d479b128
ILT		 510 # Clear libgcj_saved so that even if java is enabled libffi won't be
511 # built.
512 libgcj_saved=
8343765d
AO		 513 ;;
514esac
515
a4a2c37d
MK		 516AC_ARG_ENABLE(static-libjava,
517[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
518 [build static libjava @<:@default=no@:>@])],
519ENABLE_STATIC_LIBJAVA=$enableval,
520ENABLE_STATIC_LIBJAVA=no)
521enable_static_libjava=
522if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
523 enable_static_libjava=yes
524fi
525
526if test x$enable_static_libjava != xyes ; then
527 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
528fi
529AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
6de9cd9a 530
27079765
AH		 531# Disable libgomp on non POSIX hosted systems.
532if test x$enable_libgomp = x ; then
953ff289
DN		 533 # Enable libgomp by default on hosted POSIX systems.
534 case "${target}" in
416ac4d4 535 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
953ff289 536 ;;
8c6d158a 537 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
953ff289 538 ;;
b24513a1 539 *-*-solaris2* | *-*-hpux11*)
953ff289 540 ;;
cac90078 541 *-*-darwin* | *-*-aix*)
953ff289
DN		 542 ;;
543 *)
544 noconfigdirs="$noconfigdirs target-libgomp"
545 ;;
546 esac
27079765 547fi
953ff289 548
48310492
RH		 549# Disable libatomic on unsupported systems.
550if test -d ${srcdir}/libatomic; then
551 if test x$enable_libatomic = x; then
552 AC_MSG_CHECKING([for libatomic support])
553 if (srcdir=${srcdir}/libatomic; \
554 . ${srcdir}/configure.tgt; \
555 test -n "$UNSUPPORTED")
556 then
557 AC_MSG_RESULT([no])
558 noconfigdirs="$noconfigdirs target-libatomic"
559 else
560 AC_MSG_RESULT([yes])
561 fi
562 fi
563fi
564
3038054c
BI		 565# Disable libcilkrts on unsupported systems.
566if test -d ${srcdir}/libcilkrts; then
567 if test x$enable_libcilkrts = x; then
568 AC_MSG_CHECKING([for libcilkrts support])
569 if (srcdir=${srcdir}/libcilkrts; \
570 . ${srcdir}/configure.tgt; \
571 test -n "$UNSUPPORTED")
572 then
573 AC_MSG_RESULT([no])
574 noconfigdirs="$noconfigdirs target-libcilkrts"
575 else
576 AC_MSG_RESULT([yes])
577 fi
578 fi
579fi
580
5f520819
KY		 581# Disable liboffloadmic on unsupported systems.
582if test -d ${srcdir}/liboffloadmic; then
583 if test x$enable_liboffloadmic != xno; then
584 AC_MSG_CHECKING([for liboffloadmic support])
585 if (srcdir=${srcdir}/liboffloadmic; \
586 . ${srcdir}/configure.tgt; \
587 test -n "$UNSUPPORTED")
588 then
589 AC_MSG_RESULT([no])
590 noconfigdirs="$noconfigdirs target-liboffloadmic"
591 else
592 AC_MSG_RESULT([yes])
593 fi
594 fi
595fi
596
e948157d
RH		 597# Disable libitm on unsupported systems.
598if test -d ${srcdir}/libitm; then
599 if test x$enable_libitm = x; then
600 AC_MSG_CHECKING([for libitm support])
601 if (srcdir=${srcdir}/libitm; \
602 . ${srcdir}/configure.tgt; \
603 test -n "$UNSUPPORTED")
604 then
605 AC_MSG_RESULT([no])
606 noconfigdirs="$noconfigdirs target-libitm"
607 else
608 AC_MSG_RESULT([yes])
609 fi
610 fi
0a35513e
AH		 611fi
612
93bf5390
RH		 613# Disable libsanitizer on unsupported systems.
614if test -d ${srcdir}/libsanitizer; then
615 if test x$enable_libsanitizer = x; then
616 AC_MSG_CHECKING([for libsanitizer support])
617 if (srcdir=${srcdir}/libsanitizer; \
618 . ${srcdir}/configure.tgt; \
619 test -n "$UNSUPPORTED")
620 then
621 AC_MSG_RESULT([no])
622 noconfigdirs="$noconfigdirs target-libsanitizer"
623 else
624 AC_MSG_RESULT([yes])
625 fi
626 fi
627fi
628
2077db1b
CT		 629# Disable libvtv on unsupported systems.
630if test -d ${srcdir}/libvtv; then
631 if test x$enable_libvtv = x; then
632 AC_MSG_CHECKING([for libvtv support])
633 if (srcdir=${srcdir}/libvtv; \
634 . ${srcdir}/configure.tgt; \
1e74b850 635 test "$VTV_SUPPORTED" != "yes")
2077db1b
CT		 636 then
637 AC_MSG_RESULT([no])
638 noconfigdirs="$noconfigdirs target-libvtv"
639 else
640 AC_MSG_RESULT([yes])
641 fi
642 fi
643fi
644
d7a29167
DE		 645# Disable libquadmath for some systems.
646case "${target}" in
e7fae550
DE		 647 avr-*-*)
648 noconfigdirs="$noconfigdirs target-libquadmath"
649 ;;
d7a29167
DE		 650 # libquadmath is unused on AIX and libquadmath build process use of
651 # LD_LIBRARY_PATH can break AIX bootstrap.
652 powerpc-*-aix* | rs6000-*-aix*)
653 noconfigdirs="$noconfigdirs target-libquadmath"
654 ;;
655esac
656
1e9e0e23
JM		 657# Disable libssp for some systems.
658case "${target}" in
659 avr-*-*)
b318fb4b 660 # No hosted I/O support.
1e9e0e23
JM		 661 noconfigdirs="$noconfigdirs target-libssp"
662 ;;
663 powerpc-*-aix* | rs6000-*-aix*)
664 noconfigdirs="$noconfigdirs target-libssp"
665 ;;
85b8555e
DD		 666 rl78-*-*)
667 # libssp uses a misaligned load to trigger a fault, but the RL78
668 # doesn't fault for those - instead, it gives a build-time error
669 # for explicit misaligned loads.
670 noconfigdirs="$noconfigdirs target-libssp"
671 ;;
1e9e0e23
JM		 672esac
673
1e9e0e23 674# Disable libstdc++-v3 for some systems.
2588b26e
RM		 675# Allow user to override this if they pass --enable-libstdc++-v3
676if test "${ENABLE_LIBSTDCXX}" = "default" ; then
677 case "${target}" in
678 *-*-vxworks*)
679 # VxWorks uses the Dinkumware C++ library.
680 noconfigdirs="$noconfigdirs target-libstdc++-v3"
681 ;;
682 arm*-wince-pe*)
683 # the C++ libraries don't build on top of CE's C libraries
684 noconfigdirs="$noconfigdirs target-libstdc++-v3"
685 ;;
686 avr-*-*)
687 noconfigdirs="$noconfigdirs target-libstdc++-v3"
688 ;;
689 esac
690fi
1e9e0e23
JM		 691
692# Disable Fortran for some systems.
693case "${target}" in
694 mmix-*-*)
695 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
696 unsupported_languages="$unsupported_languages fortran"
697 ;;
698esac
699
80f81134 700# Disable Java if libffi is not supported.
2909494b 701case "${target}" in
eb7062cf
AS		 702 aarch64-*-*)
703 ;;
80f81134
JM		 704 alpha*-*-*)
705 ;;
706 arm*-*-*)
707 ;;
708 cris-*-*)
709 ;;
710 frv-*-*)
711 ;;
712 hppa*-*-linux*)
713 ;;
714 hppa*-*-hpux*)
715 ;;
716 i?86-*-*)
717 ;;
718 ia64*-*-*)
719 ;;
720 m32r*-*-*)
721 ;;
722 m68k-*-*)
723 ;;
b24513a1 724 mips*-*-rtems*)
80f81134
JM		 725 ;;
726 mips*-*-linux*)
727 ;;
728 powerpc*-*-linux*)
729 ;;
730 powerpc-*-darwin*)
731 ;;
732 powerpc-*-aix* | rs6000-*-aix*)
733 ;;
734 powerpc-*-freebsd*)
735 ;;
736 powerpc64-*-freebsd*)
737 ;;
738 powerpc*-*-rtems*)
2909494b 739 ;;
80f81134
JM		 740 s390-*-* | s390x-*-*)
741 ;;
742 sh-*-* | sh[[34]]*-*-*)
743 ;;
744 sh64-*-* | sh5*-*-*)
745 ;;
746 sparc*-*-*)
747 ;;
748 x86_64-*-*)
749 ;;
750 *-*-*)
751 unsupported_languages="$unsupported_languages java"
752 ;;
753esac
754
755# Disable Java, libgcj or related libraries for some systems.
756case "${target}" in
2909494b
JM		 757 powerpc-*-darwin*)
758 ;;
759 i[[3456789]]86-*-darwin*)
760 ;;
761 x86_64-*-darwin[[912]]*)
762 ;;
763 *-*-darwin*)
764 noconfigdirs="$noconfigdirs ${libgcj}"
765 ;;
2909494b
JM		 766 *-*-netware*)
767 noconfigdirs="$noconfigdirs ${libgcj}"
768 ;;
769 *-*-rtems*)
770 noconfigdirs="$noconfigdirs ${libgcj}"
771 ;;
772 *-*-tpf*)
773 noconfigdirs="$noconfigdirs ${libgcj}"
774 ;;
775 *-*-uclinux*)
776 noconfigdirs="$noconfigdirs ${libgcj}"
777 ;;
778 *-*-vxworks*)
779 noconfigdirs="$noconfigdirs ${libgcj}"
780 ;;
2909494b
JM		 781 alpha*-*-*vms*)
782 noconfigdirs="$noconfigdirs ${libgcj}"
783 ;;
80f81134 784 arm-wince-pe)
2909494b
JM		 785 noconfigdirs="$noconfigdirs ${libgcj}"
786 ;;
2909494b
JM		 787 arm*-*-symbianelf*)
788 noconfigdirs="$noconfigdirs ${libgcj}"
789 ;;
2909494b 790 bfin-*-*)
2909494b
JM		 791 noconfigdirs="$noconfigdirs target-boehm-gc"
792 ;;
2909494b
JM		 793 cris-*-* | crisv32-*-*)
794 unsupported_languages="$unsupported_languages java"
795 case "${target}" in
796 *-*-linux*)
797 ;;
798 *) # See PR46792 regarding target-libffi.
799 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
800 esac
801 ;;
2909494b
JM		 802 hppa*64*-*-linux*)
803 # In this case, it's because the hppa64-linux target is for
804 # the kernel only at this point and has no libc, and thus no
805 # headers, crt*.o, etc., all of which are needed by these.
fddf9ee7 806 unsupported_languages="$unsupported_languages java"
2909494b 807 ;;
fddf9ee7 808 hppa*64*-*-hpux*)
2909494b
JM		 809 noconfigdirs="$noconfigdirs ${libgcj}"
810 ;;
811 hppa*-hp-hpux11*)
812 ;;
fddf9ee7 813 hppa*-*-hpux*)
2909494b
JM		 814 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
815 # build on HP-UX 10.20.
816 noconfigdirs="$noconfigdirs ${libgcj}"
817 ;;
2909494b
JM		 818 ia64*-*-*vms*)
819 noconfigdirs="$noconfigdirs ${libgcj}"
820 ;;
2909494b
JM		 821 i[[3456789]]86-w64-mingw*)
822 noconfigdirs="$noconfigdirs ${libgcj}"
823 ;;
824 i[[3456789]]86-*-mingw*)
825 noconfigdirs="$noconfigdirs ${libgcj}"
826 ;;
827 x86_64-*-mingw*)
828 noconfigdirs="$noconfigdirs ${libgcj}"
829 ;;
2909494b
JM		 830 mmix-*-*)
831 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
2909494b
JM		 832 ;;
833 powerpc-*-aix*)
834 # copied from rs6000-*-* entry
835 noconfigdirs="$noconfigdirs ${libgcj}"
836 ;;
2909494b
JM		 837 rs6000-*-aix*)
838 noconfigdirs="$noconfigdirs ${libgcj}"
839 ;;
2909494b
JM		 840 *-*-lynxos*)
841 noconfigdirs="$noconfigdirs ${libgcj}"
1335a8ca 842 ;;
2909494b
JM		 843esac
844
1335a8ca
JBG		 845# Disable the go frontend on systems where it is known to not work. Please keep
846# this in sync with contrib/config-list.mk.
74cc5471
ILT		 847case "${target}" in
848*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
849 unsupported_languages="$unsupported_languages go"
850 ;;
851esac
852
cdbc9e92
ILT		 853# Disable libgo for some systems where it is known to not work.
854# For testing, you can easily override this with --enable-libgo.
855if test x$enable_libgo = x; then
856 case "${target}" in
857 *-*-darwin*)
858 # PR 46986
859 noconfigdirs="$noconfigdirs target-libgo"
860 ;;
861 *-*-cygwin* | *-*-mingw*)
862 noconfigdirs="$noconfigdirs target-libgo"
863 ;;
864 *-*-aix*)
865 noconfigdirs="$noconfigdirs target-libgo"
866 ;;
867 esac
868fi
869
c03353e2
RIL		 870# Default libgloss CPU subdirectory.
871libgloss_dir="$target_cpu"
6de9cd9a 872
fbcf0dca
JM		 873case "${target}" in
874 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
875 libgloss_dir=wince
876 ;;
4dddfc74
YZ		 877 aarch64*-*-* )
878 libgloss_dir=aarch64
879 ;;
fbcf0dca
JM		 880 arm*-*-*)
881 libgloss_dir=arm
882 ;;
883 cris-*-* | crisv32-*-*)
884 libgloss_dir=cris
885 ;;
886 hppa*-*-*)
887 libgloss_dir=pa
888 ;;
889 i[[3456789]]86-*-*)
890 libgloss_dir=i386
891 ;;
892 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
893 libgloss_dir=m68hc11
894 ;;
895 m68*-*-* | fido-*-*)
896 libgloss_dir=m68k
897 ;;
898 mips*-*-*)
899 libgloss_dir=mips
900 ;;
901 powerpc*-*-*)
902 libgloss_dir=rs6000
903 ;;
904 sparc*-*-*)
905 libgloss_dir=sparc
906 ;;
907esac
908
6a789d5e 909# Disable newlib and libgloss for various target OSes.
6599da04 910case "${target}" in
6a789d5e
JM		 911 alpha*-dec-osf*)
912 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
913 ;;
914 i[[3456789]]86-*-linux*)
915 # This section makes it possible to build newlib natively on linux.
916 # If we are using a cross compiler then don't configure newlib.
917 if test x${is_cross_compiler} != xno ; then
918 noconfigdirs="$noconfigdirs target-newlib"
919 fi
920 noconfigdirs="$noconfigdirs target-libgloss"
921 # If we are not using a cross compiler, do configure newlib.
922 # Note however, that newlib will only be configured in this situation
923 # if the --with-newlib option has been given, because otherwise
924 # 'target-newlib' will appear in skipdirs.
925 ;;
926 i[[3456789]]86-*-rdos*)
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
928 ;;
929 sh*-*-pe|mips*-*-pe|arm-wince-pe)
930 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
931 ;;
932 sparc-*-sunos4*)
933 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
934 ;;
935 *-*-aix*)
936 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
937 ;;
938 *-*-beos*)
939 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
940 ;;
3fa03ff9 941 *-*-chorusos)
0036370f 942 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
3fa03ff9 943 ;;
6a789d5e
JM		 944 *-*-dragonfly*)
945 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
946 ;;
947 *-*-freebsd*)
948 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
949 ;;
950 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
951 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
952 ;;
953 *-*-lynxos*)
954 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
955 ;;
956 *-*-mingw*)
957 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
958 ;;
959 *-*-netbsd*)
960 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
961 ;;
962 *-*-netware*)
963 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
964 ;;
965 *-*-tpf*)
966 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
967 ;;
968 *-*-uclinux*)
969 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
970 ;;
971 *-*-vxworks*)
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
973 ;;
974esac
975
976case "${target}" in
977 *-*-chorusos)
978 ;;
75eeae1a 979 powerpc-*-darwin*)
e1514c3f 980 noconfigdirs="$noconfigdirs ld gas gdb gprof"
9c8f9ec2 981 noconfigdirs="$noconfigdirs sim target-rda"
940cde4d 982 ;;
354ebf88
RW		 983 i[[3456789]]86-*-darwin*)
984 noconfigdirs="$noconfigdirs ld gprof"
985 noconfigdirs="$noconfigdirs sim target-rda"
986 ;;
987 x86_64-*-darwin[[912]]*)
0db3a858
TG		 988 noconfigdirs="$noconfigdirs ld gas gprof"
989 noconfigdirs="$noconfigdirs sim target-rda"
990 ;;
42c1cd8a
AT		 991 *-*-darwin*)
992 noconfigdirs="$noconfigdirs ld gas gdb gprof"
993 noconfigdirs="$noconfigdirs sim target-rda"
42c1cd8a 994 ;;
8c6d158a 995 *-*-dragonfly*)
8c6d158a 996 ;;
c3f84f61 997 *-*-freebsd*)
6de9cd9a
DN		 998 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
999 && test -f /usr/local/include/gmp.h; then
1000 with_gmp=/usr/local
1001 fi
6de9cd9a 1002 ;;
ef4e7569
US		 1003 *-*-kaos*)
1004 # Remove unsupported stuff on all kaOS configurations.
ef4e7569
US		 1005 noconfigdirs="$noconfigdirs target-libgloss"
1006 ;;
51584787 1007 *-*-netbsd*)
51584787 1008 ;;
61fec9ff 1009 *-*-netware*)
6599da04 1010 ;;
3fbc0b70 1011 *-*-rtems*)
2909494b 1012 noconfigdirs="$noconfigdirs target-libgloss"
3fbc0b70 1013 ;;
a8ba31f2
EC		 1014 # The tpf target doesn't support gdb yet.
1015 *-*-tpf*)
6a789d5e 1016 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
a8ba31f2 1017 ;;
5785c0ed 1018 *-*-uclinux*)
6a789d5e 1019 noconfigdirs="$noconfigdirs target-rda"
5785c0ed 1020 ;;
6599da04 1021 *-*-vxworks*)
6599da04 1022 ;;
b104e095 1023 alpha*-dec-osf*)
603606e7 1024 # ld works, but does not support shared libraries.
6599da04 1025 # gas doesn't generate exception information.
6a789d5e 1026 noconfigdirs="$noconfigdirs gas ld"
6599da04
JM		 1027 ;;
1028 alpha*-*-*vms*)
2909494b 1029 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
6599da04
JM		 1030 ;;
1031 alpha*-*-*)
1032 # newlib is not 64 bit ready
2909494b 1033 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1034 ;;
3a685f6f 1035 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
b4f96efe 1036 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
3a685f6f 1037 ;;
53426f6c 1038 arc-*-*|arceb-*-*)
ebb9f8b0 1039 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef 1040 ;;
6599da04 1041 arm-*-pe*)
2909494b 1042 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1043 ;;
5d4a5ee6 1044 arm-*-riscix*)
0036370f 1045 noconfigdirs="$noconfigdirs ld target-libgloss"
5d4a5ee6 1046 ;;
b588ae30
GJL		 1047 avr-*-rtems*)
1048 ;;
1049 avr-*-*)
1050 if test x${with_avrlibc} != xno; then
1051 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1052 fi
1053 ;;
a5a438f5 1054 c4x-*-* | tic4x-*-*)
0036370f 1055 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1056 ;;
0036370f
JM		 1057 tic54x-*-*)
1058 noconfigdirs="$noconfigdirs target-libgloss gdb"
ab50d72b 1059 ;;
6599da04 1060 d10v-*-*)
0036370f 1061 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef
JM		 1062 ;;
1063 d30v-*-*)
0036370f 1064 noconfigdirs="$noconfigdirs gdb"
6599da04 1065 ;;
09b5f8bf 1066 fr30-*-elf*)
2909494b 1067 noconfigdirs="$noconfigdirs gdb"
09b5f8bf 1068 ;;
55f2d967 1069 moxie-*-*)
55f2d967
AG		 1070 noconfigdirs="$noconfigdirs gprof"
1071 ;;
ab50d72b 1072 h8300*-*-*)
2909494b 1073 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1074 ;;
6599da04 1075 h8500-*-*)
0036370f 1076 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1077 ;;
9d069a4f 1078 hppa1.1-*-osf* | hppa1.1-*-bsd* )
9d069a4f 1079 ;;
4569f85e 1080 hppa*64*-*-linux*)
cdbff0ab 1081 ;;
56f8587a 1082 hppa*-*-linux*)
3e732ba0 1083 ;;
6599da04 1084 hppa*-*-*elf* | \
bae29210 1085 hppa*-*-lites* | \
66350331 1086 hppa*-*-openbsd* | \
bae29210 1087 hppa*64*-*-*)
6599da04 1088 ;;
2a332582 1089 hppa*-hp-hpux11*)
1bcce263 1090 noconfigdirs="$noconfigdirs ld"
2a332582 1091 ;;
c03353e2 1092 hppa*-*-pro*)
c03353e2 1093 ;;
6599da04 1094 hppa*-*-*)
2909494b 1095 noconfigdirs="$noconfigdirs ld"
d207ebef 1096 ;;
fb87ad5d 1097 i960-*-*)
0036370f 1098 noconfigdirs="$noconfigdirs gdb"
fb87ad5d 1099 ;;
d207ebef
JM		 1100 ia64*-*-elf*)
1101 # No gdb support yet.
1bcce263 1102 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
d207ebef 1103 ;;
ab50d72b 1104 ia64*-**-hpux*)
5a2931d1 1105 # No ld support yet.
2909494b 1106 noconfigdirs="$noconfigdirs libgui itcl ld"
ab50d72b 1107 ;;
52535a64 1108 ia64*-*-*vms*)
091fe9ca
TG		 1109 # No ld support yet.
1110 noconfigdirs="$noconfigdirs libgui itcl ld"
52535a64 1111 ;;
ef4c4300 1112 i[[3456789]]86-w64-mingw*)
ef4c4300
KT		 1113 ;;
1114 i[[3456789]]86-*-mingw*)
b91f0a41 1115 target_configdirs="$target_configdirs target-winsup"
5d571eaa 1116 ;;
d207ebef
JM		 1117 *-*-cygwin*)
1118 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1bcce263 1119 noconfigdirs="$noconfigdirs target-libgloss"
801e2270 1120 # always build newlib if winsup directory is present.
b91f0a41 1121 if test -d "$srcdir/winsup/cygwin"; then
801e2270 1122 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
c8e6cd41 1123 elif test -d "$srcdir/newlib"; then
b91f0a41 1124 echo "Warning: winsup/cygwin is missing so newlib can't be built."
801e2270 1125 fi
5d571eaa 1126 ;;
f2a0e225 1127 i[[3456789]]86-*-pe)
ebb9f8b0 1128 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1129 ;;
f2a0e225 1130 i[[3456789]]86-*-sco3.2v5*)
6599da04
JM		 1131 # The linker does not yet know about weak symbols in COFF,
1132 # and is not configured to handle mixed ELF and COFF.
0036370f 1133 noconfigdirs="$noconfigdirs ld target-libgloss"
6599da04 1134 ;;
f2a0e225 1135 i[[3456789]]86-*-sco*)
0036370f 1136 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1137 ;;
fbdd5d87 1138 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
7c01b2b5 1139 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1140 ;;
f2a0e225 1141 i[[3456789]]86-*-sysv4*)
0036370f 1142 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1143 ;;
f2a0e225 1144 i[[3456789]]86-*-beos*)
6a789d5e 1145 noconfigdirs="$noconfigdirs gdb"
3aa83176 1146 ;;
d1f8db0c 1147 i[[3456789]]86-*-rdos*)
6a789d5e 1148 noconfigdirs="$noconfigdirs gdb"
c03353e2 1149 ;;
d344dce9 1150 mmix-*-*)
2909494b 1151 noconfigdirs="$noconfigdirs gdb"
d344dce9 1152 ;;
ab34901f 1153 mt-*-*)
79dd769c
AH		 1154 noconfigdirs="$noconfigdirs sim"
1155 ;;
6599da04
JM		 1156 powerpc-*-aix*)
1157 # copied from rs6000-*-* entry
6a789d5e 1158 noconfigdirs="$noconfigdirs gprof"
6599da04 1159 ;;
4569f85e 1160 powerpc*-*-winnt* | powerpc*-*-pe*)
6599da04 1161 target_configdirs="$target_configdirs target-winsup"
0036370f 1162 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
6599da04
JM		 1163 # always build newlib.
1164 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1165 ;;
1166 # This is temporary until we can link against shared libraries
1167 powerpcle-*-solaris*)
0036370f 1168 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
6599da04 1169 ;;
0da3b5a7 1170 powerpc-*-beos*)
6a789d5e 1171 noconfigdirs="$noconfigdirs gdb"
d207ebef 1172 ;;
6599da04 1173 rs6000-*-lynxos*)
6a789d5e 1174 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1175 ;;
1176 rs6000-*-aix*)
6a789d5e 1177 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1178 ;;
1179 rs6000-*-*)
2909494b 1180 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1181 ;;
1182 m68k-apollo-*)
0036370f 1183 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
6599da04 1184 ;;
ca9fe997 1185 microblaze*)
2909494b 1186 noconfigdirs="$noconfigdirs gprof"
ca9fe997 1187 ;;
d91491e5 1188 mips*-sde-elf* | mips*-mti-elf*)
d9dced13
RS		 1189 if test x$with_newlib = xyes; then
1190 noconfigdirs="$noconfigdirs gprof"
1191 fi
d9dced13 1192 ;;
6599da04 1193 mips*-*-irix5*)
0036370f 1194 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04
JM		 1195 ;;
1196 mips*-*-irix6*)
2909494b 1197 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1198 ;;
6599da04 1199 mips*-*-bsd*)
bc98bcc4 1200 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
6599da04 1201 ;;
9bec4bf0 1202 mips*-*-linux*)
9bec4bf0 1203 ;;
bc98bcc4
JBG		 1204 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1205 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1206 noconfigdirs="$noconfigdirs ld gas gprof"
1207 ;;
6599da04 1208 mips*-*-*)
2909494b 1209 noconfigdirs="$noconfigdirs gprof"
6599da04 1210 ;;
738f2522
BS		 1211 nvptx*-*-*)
1212 # nvptx is just a compiler
1213 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1214 ;;
669f01d8 1215 sh-*-* | sh64-*-*)
ea2002ba
CB		 1216 case "${target}" in
1217 sh*-*-elf)
2909494b 1218 ;;
ea2002ba 1219 *)
2909494b 1220 noconfigdirs="$noconfigdirs target-libgloss" ;;
ea2002ba 1221 esac
6599da04
JM		 1222 ;;
1223 sparc-*-sunos4*)
6a789d5e 1224 if test x${is_cross_compiler} = xno ; then
6599da04
JM		 1225 use_gnu_ld=no
1226 fi
1227 ;;
b42f0d7e 1228 tic6x-*-*)
0d557ff8 1229 noconfigdirs="$noconfigdirs sim"
b42f0d7e 1230 ;;
341c653c 1231 tilepro*-*-* | tilegx*-*-*)
db1d217c
WL		 1232 noconfigdirs="$noconfigdirs sim"
1233 ;;
6599da04 1234 v810-*-*)
0036370f 1235 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
6599da04
JM		 1236 ;;
1237 vax-*-*)
2909494b 1238 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1239 ;;
6599da04
JM		 1240esac
1241
6599da04
JM		 1242# If we aren't building newlib, then don't build libgloss, since libgloss
1243# depends upon some newlib header files.
1244case "${noconfigdirs}" in
1245 *target-libgloss*) ;;
1246 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
55380b08 1247esac
6599da04 1248
55380b08 1249# Work in distributions that contain no compiler tools, like Autoconf.
671aa708 1250host_makefile_frag=/dev/null
55380b08
NN		 1251if test -d ${srcdir}/config ; then
1252case "${host}" in
f2a0e225 1253 i[[3456789]]86-*-msdosdjgpp*)
55380b08
NN		 1254 host_makefile_frag="config/mh-djgpp"
1255 ;;
1256 *-cygwin*)
2a79c47f 1257 ACX_CHECK_CYGWIN_CAT_WORKS
55380b08
NN		 1258 host_makefile_frag="config/mh-cygwin"
1259 ;;
c53a18d3 1260 *-mingw*)
1f5a6b84 1261 host_makefile_frag="config/mh-mingw"
738a52d3 1262 ;;
7b7f941a
UB		 1263 alpha*-*-linux*)
1264 host_makefile_frag="config/mh-alpha-linux"
1265 ;;
00afcaa0 1266 hppa*-hp-hpux10*)
00afcaa0 1267 host_makefile_frag="config/mh-pa-hpux10"
55380b08 1268 ;;
111eeb6e 1269 hppa*-hp-hpux*)
00afcaa0
PB		 1270 host_makefile_frag="config/mh-pa"
1271 ;;
1272 hppa*-*)
1273 host_makefile_frag="config/mh-pa"
1274 ;;
d8ed14ce
IS		 1275 *-*-darwin*)
1276 host_makefile_frag="config/mh-darwin"
be8fff81 1277 ;;
d19bca38
PB		 1278 powerpc-*-aix*)
1279 host_makefile_frag="config/mh-ppc-aix"
1280 ;;
1281 rs6000-*-aix*)
1282 host_makefile_frag="config/mh-ppc-aix"
1283 ;;
55380b08
NN		 1284esac
1285fi
1286
e4c9c075 1287if test "${build}" != "${host}" ; then
0999159b
PB		 1288 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1289 AS_FOR_BUILD=${AS_FOR_BUILD-as}
e4c9c075 1290 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
0999159b
PB		 1291 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1292 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1293 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
632e2a07 1294 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
0999159b
PB		 1295 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1296 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1297 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1298 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1299 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1300 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
e4c9c075 1301else
0999159b
PB		 1302 AR_FOR_BUILD="\$(AR)"
1303 AS_FOR_BUILD="\$(AS)"
e4c9c075 1304 CC_FOR_BUILD="\$(CC)"
0999159b
PB		 1305 CXX_FOR_BUILD="\$(CXX)"
1306 GCJ_FOR_BUILD="\$(GCJ)"
1307 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
632e2a07 1308 GOC_FOR_BUILD="\$(GOC)"
0999159b
PB		 1309 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1310 LD_FOR_BUILD="\$(LD)"
1311 NM_FOR_BUILD="\$(NM)"
1312 RANLIB_FOR_BUILD="\$(RANLIB)"
1313 WINDRES_FOR_BUILD="\$(WINDRES)"
1314 WINDMC_FOR_BUILD="\$(WINDMC)"
c3a86da9 1315fi
e4c9c075 1316
c3a86da9
DJ		 1317AC_PROG_CC
1318AC_PROG_CXX
1319
1320# We must set the default linker to the linker used by gcc for the correct
1321# operation of libtool. If LD is not defined and we are using gcc, try to
1322# set the LD default to the ld used by gcc.
1323if test -z "$LD"; then
1324 if test "$GCC" = yes; then
1325 case $build in
1326 *-*-mingw*)
1327 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1328 *)
1329 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1330 esac
1331 case $gcc_prog_ld in
1332 # Accept absolute paths.
1333 [[\\/]* | [A-Za-z]:[\\/]*)]
1334 LD="$gcc_prog_ld" ;;
1335 esac
1336 fi
e4c9c075
PB		 1337fi
1338
0b21f5d3
EB		 1339# Check whether -static-libstdc++ -static-libgcc is supported.
1340have_static_libs=no
1341if test "$GCC" = yes; then
1342 saved_LDFLAGS="$LDFLAGS"
1343
1344 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1345 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1346 AC_LANG_PUSH(C++)
0d6414b2
EB		 1347 AC_LINK_IFELSE([
1348#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1349#error -static-libstdc++ not implemented
1350#endif
1351int main() {}],
0b21f5d3
EB		 1352 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1353 [AC_MSG_RESULT([no])])
1354 AC_LANG_POP(C++)
1355
1356 LDFLAGS="$saved_LDFLAGS"
1357fi
1358
e4c9c075 1359ACX_PROG_GNAT
a76494aa 1360ACX_PROG_CMP_IGNORE_INITIAL
e4c9c075 1361
ff3ac0f4
ILT		 1362AC_ARG_ENABLE([bootstrap],
1363[AS_HELP_STRING([--enable-bootstrap],
1364 [enable bootstrapping @<:@yes if native build@:>@])],,
1365enable_bootstrap=default)
1366
1367# Issue errors and warnings for invalid/strange bootstrap combinations.
bf03b9ff
ILT		 1368if test -r $srcdir/gcc/configure; then
1369 have_compiler=yes
1370else
1371 have_compiler=no
1372fi
ff3ac0f4
ILT		 1373
1374case "$have_compiler:$host:$target:$enable_bootstrap" in
1375 *:*:*:no) ;;
1376
1377 # Default behavior. Enable bootstrap if we have a compiler
1378 # and we are in a native configuration.
1379 yes:$build:$build:default)
1380 enable_bootstrap=yes ;;
1381
1382 *:*:*:default)
1383 enable_bootstrap=no ;;
1384
1385 # We have a compiler and we are in a native configuration, bootstrap is ok
1386 yes:$build:$build:yes)
1387 ;;
1388
1389 # Other configurations, but we have a compiler. Assume the user knows
1390 # what he's doing.
1391 yes:*:*:yes)
1392 AC_MSG_WARN([trying to bootstrap a cross compiler])
1393 ;;
1394
1395 # No compiler: if they passed --enable-bootstrap explicitly, fail
1396 no:*:*:yes)
1397 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1398
1399 # Fail if wrong command line
1400 *)
1401 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1402 ;;
1403esac
1404
592c90ff
KG		 1405# Used for setting $lt_cv_objdir
1406_LT_CHECK_OBJDIR
1407
acd26225 1408# Check for GMP, MPFR and MPC
3a5729ea 1409gmplibs="-lmpc -lmpfr -lgmp"
6de9cd9a 1410gmpinc=
e69bf64b 1411have_gmp=no
acd26225
KG		 1412
1413# Specify a location for mpc
1414# check for this first so it ends up on the link line before mpfr.
33e39b66
AS		 1415AC_ARG_WITH(mpc,
1416[AS_HELP_STRING([--with-mpc=PATH],
1417 [specify prefix directory for installed MPC package.
1418 Equivalent to --with-mpc-include=PATH/include
1419 plus --with-mpc-lib=PATH/lib])])
1420AC_ARG_WITH(mpc-include,
1421[AS_HELP_STRING([--with-mpc-include=PATH],
1422 [specify directory for installed MPC include files])])
1423AC_ARG_WITH(mpc-lib,
1424[AS_HELP_STRING([--with-mpc-lib=PATH],
1425 [specify directory for the installed MPC library])])
acd26225
KG		 1426
1427if test "x$with_mpc" != x; then
3a5729ea
KG		 1428 gmplibs="-L$with_mpc/lib $gmplibs"
1429 gmpinc="-I$with_mpc/include $gmpinc"
acd26225
KG		 1430fi
1431if test "x$with_mpc_include" != x; then
3a5729ea 1432 gmpinc="-I$with_mpc_include $gmpinc"
acd26225
KG		 1433fi
1434if test "x$with_mpc_lib" != x; then
3a5729ea 1435 gmplibs="-L$with_mpc_lib $gmplibs"
acd26225
KG		 1436fi
1437if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
592c90ff 1438 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
3a5729ea 1439 gmpinc='-I$$s/mpc/src '"$gmpinc"
acd26225
KG		 1440 # Do not test the mpc version. Assume that it is sufficient, since
1441 # it is in the source tree, and the library has not been built yet
1442 # but it would be included on the link line in the version check below
1443 # hence making the test fail.
3a5729ea 1444 have_gmp=yes
acd26225 1445fi
e69bf64b 1446
bebf829d
PB		 1447# Specify a location for mpfr
1448# check for this first so it ends up on the link line before gmp.
33e39b66
AS		 1449AC_ARG_WITH(mpfr-dir,
1450[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1451[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1452Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1453
1454AC_ARG_WITH(mpfr,
1455[AS_HELP_STRING([--with-mpfr=PATH],
1456 [specify prefix directory for installed MPFR package.
1457 Equivalent to --with-mpfr-include=PATH/include
1458 plus --with-mpfr-lib=PATH/lib])])
1459AC_ARG_WITH(mpfr-include,
1460[AS_HELP_STRING([--with-mpfr-include=PATH],
1461 [specify directory for installed MPFR include files])])
1462AC_ARG_WITH(mpfr-lib,
1463[AS_HELP_STRING([--with-mpfr-lib=PATH],
1464 [specify directory for the installed MPFR library])])
bebf829d
PB		 1465
1466if test "x$with_mpfr" != x; then
1467 gmplibs="-L$with_mpfr/lib $gmplibs"
3a5729ea 1468 gmpinc="-I$with_mpfr/include $gmpinc"
bebf829d 1469fi
8a877c9c 1470if test "x$with_mpfr_include" != x; then
3a5729ea 1471 gmpinc="-I$with_mpfr_include $gmpinc"
8a877c9c
KG		 1472fi
1473if test "x$with_mpfr_lib" != x; then
1474 gmplibs="-L$with_mpfr_lib $gmplibs"
1475fi
e69bf64b 1476if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
5b0d38e4
NC		 1477 # MPFR v3.1.0 moved the sources into a src sub-directory.
1478 if test -d ${srcdir}/mpfr/src; then
1479 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1480 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1481 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1482 else
1483 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1484 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1485 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1486 fi
e69bf64b
PB		 1487 # Do not test the mpfr version. Assume that it is sufficient, since
1488 # it is in the source tree, and the library has not been built yet
1489 # but it would be included on the link line in the version check below
1490 # hence making the test fail.
1491 have_gmp=yes
1492fi
bebf829d 1493
6de9cd9a 1494# Specify a location for gmp
33e39b66
AS		 1495AC_ARG_WITH(gmp-dir,
1496[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1497[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1498Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1499
1500AC_ARG_WITH(gmp,
1501[AS_HELP_STRING([--with-gmp=PATH],
1502 [specify prefix directory for the installed GMP package.
1503 Equivalent to --with-gmp-include=PATH/include
1504 plus --with-gmp-lib=PATH/lib])])
1505AC_ARG_WITH(gmp-include,
1506[AS_HELP_STRING([--with-gmp-include=PATH],
1507 [specify directory for installed GMP include files])])
1508AC_ARG_WITH(gmp-lib,
1509[AS_HELP_STRING([--with-gmp-lib=PATH],
1510 [specify directory for the installed GMP library])])
6de9cd9a 1511
6de9cd9a 1512
bebf829d
PB		 1513if test "x$with_gmp" != x; then
1514 gmplibs="-L$with_gmp/lib $gmplibs"
1515 gmpinc="-I$with_gmp/include $gmpinc"
6de9cd9a 1516fi
8a877c9c
KG		 1517if test "x$with_gmp_include" != x; then
1518 gmpinc="-I$with_gmp_include $gmpinc"
1519fi
1520if test "x$with_gmp_lib" != x; then
1521 gmplibs="-L$with_gmp_lib $gmplibs"
1522fi
e69bf64b 1523if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
592c90ff 1524 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
e69bf64b 1525 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
9183bdcf 1526 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
592c90ff 1527 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
0ff2d841 1528 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
e69bf64b
PB		 1529 # Do not test the gmp version. Assume that it is sufficient, since
1530 # it is in the source tree, and the library has not been built yet
1531 # but it would be included on the link line in the version check below
1532 # hence making the test fail.
1533 have_gmp=yes
1534fi
6de9cd9a 1535
d943d7c4 1536if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
e69bf64b
PB		 1537 have_gmp=yes
1538 saved_CFLAGS="$CFLAGS"
1539 CFLAGS="$CFLAGS $gmpinc"
362c6d2f
KG		 1540 # Check for the recommended and required versions of GMP.
1541 AC_MSG_CHECKING([for the correct version of gmp.h])
e69bf64b 1542 AC_TRY_COMPILE([#include "gmp.h"],[
362c6d2f
KG		 1543 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1544 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
385c0681 1545 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
e48d66a9 1546 choke me
e69bf64b 1547 #endif
e8fd69bb 1548 ], [AC_TRY_COMPILE([#include <gmp.h>],[
362c6d2f
KG		 1549 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1550 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1551 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1552 choke me
1553 #endif
e8fd69bb 1554 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1555 [AC_MSG_RESULT([no]); have_gmp=no])
e69bf64b 1556
acd26225 1557 # If we have GMP, check the MPFR version.
e69bf64b 1558 if test x"$have_gmp" = xyes; then
362c6d2f
KG		 1559 # Check for the recommended and required versions of MPFR.
1560 AC_MSG_CHECKING([for the correct version of mpfr.h])
acd26225 1561 AC_TRY_COMPILE([#include <gmp.h>
e69bf64b 1562 #include <mpfr.h>],[
f7d6bc01 1563 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
e69bf64b
PB		 1564 choke me
1565 #endif
e8fd69bb 1566 ], [AC_TRY_COMPILE([#include <gmp.h>
acd26225 1567 #include <mpfr.h>],[
362c6d2f 1568 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
acd26225
KG		 1569 choke me
1570 #endif
e8fd69bb 1571 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
acd26225
KG		 1572 [AC_MSG_RESULT([no]); have_gmp=no])
1573 fi
1574
1575 # Check for the MPC header version.
3a5729ea 1576 if test x"$have_gmp" = xyes ; then
362c6d2f 1577 # Check for the recommended and required versions of MPC.
acd26225
KG		 1578 AC_MSG_CHECKING([for the correct version of mpc.h])
1579 AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f 1580 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
acd26225
KG		 1581 choke me
1582 #endif
e8fd69bb 1583 ], [AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f
KG		 1584 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1585 choke me
1586 #endif
e8fd69bb 1587 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1588 [AC_MSG_RESULT([no]); have_gmp=no])
acd26225
KG		 1589 fi
1590
1591 # Now check the MPFR library.
1592 if test x"$have_gmp" = xyes; then
1593 saved_LIBS="$LIBS"
1594 LIBS="$LIBS $gmplibs"
3a5729ea
KG		 1595 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1596 AC_TRY_LINK([#include <mpc.h>],[
54e433bc
MK		 1597 mpfr_t n;
1598 mpfr_t x;
3a5729ea 1599 mpc_t c;
e69bf64b 1600 int t;
54e433bc
MK		 1601 mpfr_init (n);
1602 mpfr_init (x);
e69bf64b
PB		 1603 mpfr_atan2 (n, n, x, GMP_RNDN);
1604 mpfr_erfc (n, x, GMP_RNDN);
1605 mpfr_subnormalize (x, t, GMP_RNDN);
3a5729ea
KG		 1606 mpfr_clear(n);
1607 mpfr_clear(x);
1608 mpc_init2 (c, 53);
1609 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1610 mpc_cosh (c, c, MPC_RNDNN);
1611 mpc_pow (c, c, c, MPC_RNDNN);
1612 mpc_acosh (c, c, MPC_RNDNN);
1613 mpc_clear (c);
acd26225
KG		 1614 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1615 LIBS="$saved_LIBS"
e69bf64b 1616 fi
acd26225 1617
e69bf64b 1618 CFLAGS="$saved_CFLAGS"
6de9cd9a 1619
362c6d2f
KG		 1620# The library versions listed in the error message below should match
1621# the HARD-minimums enforced above.
e69bf64b 1622 if test x$have_gmp != xyes; then
f7d6bc01 1623 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
3a5729ea
KG		 1624Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1625their locations. Source code for these libraries can be found at
1626their respective hosting sites as well as at
1627ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1628http://gcc.gnu.org/install/prerequisites.html for additional info. If
1629you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1630make sure that you have installed both the libraries and the header
1631files. They may be located in separate packages.])
e69bf64b 1632 fi
70ec446f
KG		 1633fi
1634
acd26225 1635# Flags needed for both GMP, MPFR and/or MPC.
6de9cd9a
DN		 1636AC_SUBST(gmplibs)
1637AC_SUBST(gmpinc)
9e3eba15 1638AC_SUBST(extra_mpfr_configure_flags)
acd26225
KG		 1639AC_SUBST(extra_mpc_gmp_configure_flags)
1640AC_SUBST(extra_mpc_mpfr_configure_flags)
0ff2d841 1641AC_SUBST(extra_isl_gmp_configure_flags)
6de9cd9a 1642
f38095f3 1643# Allow host libstdc++ to be specified for static linking with PPL.
33e39b66
AS		 1644AC_ARG_WITH(host-libstdcxx,
1645[AS_HELP_STRING([--with-host-libstdcxx=L],
1646 [use linker arguments L to link with libstdc++
1647 when linking with PPL])])
f38095f3
JM		 1648
1649case $with_host_libstdcxx in
1650 no|yes)
1651 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1652 ;;
1653esac
f8bf9252 1654
00020c16
ILT		 1655# Libraries to use for stage1 or when not bootstrapping.
1656AC_ARG_WITH(stage1-libs,
33e39b66 1657[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
00020c16
ILT		 1658[if test "$withval" = "no" -o "$withval" = "yes"; then
1659 stage1_libs=
1660 else
1661 stage1_libs=$withval
1662 fi],
1663[stage1_libs=$with_host_libstdcxx])
1664AC_SUBST(stage1_libs)
1665
0b21f5d3
EB		 1666# Linker flags to use for stage1 or when not bootstrapping.
1667AC_ARG_WITH(stage1-ldflags,
1668[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1669[if test "$withval" = "no" -o "$withval" = "yes"; then
1670 stage1_ldflags=
1671 else
1672 stage1_ldflags=$withval
1673 fi],
1674[stage1_ldflags=
1675 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1676 # if supported. But if the user explicitly specified the libraries to use,
1677 # trust that they are doing what they want.
1678 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1679 stage1_ldflags="-static-libstdc++ -static-libgcc"
1680 fi])
1681AC_SUBST(stage1_ldflags)
1682
00020c16
ILT		 1683# Libraries to use for stage2 and later builds. This defaults to the
1684# argument passed to --with-host-libstdcxx.
1685AC_ARG_WITH(boot-libs,
33e39b66 1686[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
00020c16
ILT		 1687[if test "$withval" = "no" -o "$withval" = "yes"; then
1688 poststage1_libs=
1689 else
e90e6bd7 1690 poststage1_libs=$withval
00020c16
ILT		 1691 fi],
1692[poststage1_libs=$with_host_libstdcxx])
1693AC_SUBST(poststage1_libs)
1694
ed2eaa9f
ILT		 1695# Linker flags to use for stage2 and later builds.
1696AC_ARG_WITH(boot-ldflags,
33e39b66
AS		 1697[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1698 [linker flags for stage2 and later])],
ed2eaa9f
ILT		 1699[if test "$withval" = "no" -o "$withval" = "yes"; then
1700 poststage1_ldflags=
1701 else
1702 poststage1_ldflags=$withval
1703 fi],
1704[poststage1_ldflags=
bec93d73
ILT		 1705 # In stages 2 and 3, default to linking libstdc++ and libgcc
1706 # statically. But if the user explicitly specified the libraries to
1707 # use, trust that they are doing what they want.
1708 if test "$poststage1_libs" = ""; then
ed2eaa9f
ILT		 1709 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1710 fi])
1711AC_SUBST(poststage1_ldflags)
1712
4a9bb2aa
TB		 1713# GCC GRAPHITE dependency ISL.
1714# Basic setup is inlined here, actual checks are in config/isl.m4
625afa23 1715
625afa23
RG		 1716AC_ARG_WITH(isl,
1717 [AS_HELP_STRING(
1718 [--with-isl=PATH],
1719 [Specify prefix directory for the installed ISL package.
1720 Equivalent to --with-isl-include=PATH/include
1721 plus --with-isl-lib=PATH/lib])])
1722
eae1a5d4 1723# Treat --without-isl as a request to disable
625afa23 1724# GRAPHITE support and skip all following checks.
eae1a5d4 1725if test "x$with_isl" != "xno"; then
625afa23
RG		 1726 # Check for ISL
1727 dnl Provide configure switches and initialize islinc & isllibs
1728 dnl with user input.
1729 ISL_INIT_FLAGS
d0ad394c 1730 dnl The versions of ISL that work for Graphite
e0c0c325 1731 ISL_CHECK_VERSION()
33ad93b9
RG		 1732 dnl Only execute fail-action, if ISL has been requested.
1733 ISL_IF_FAILED([
1734 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
f8bf9252 1735fi
f8bf9252 1736
4a9bb2aa 1737# If the ISL check failed, disable builds of in-tree variant of ISL
625afa23 1738if test "x$with_isl" = xno ||
625afa23 1739 test "x$gcc_cv_isl" = xno; then
4a9bb2aa 1740 noconfigdirs="$noconfigdirs isl"
625afa23 1741 islinc=
eae1a5d4
RG		 1742fi
1743
1744AC_SUBST(isllibs)
625afa23 1745AC_SUBST(islinc)
625afa23 1746
d7f09764
DN		 1747# Check for LTO support.
1748AC_ARG_ENABLE(lto,
33e39b66 1749[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
d7f09764
DN		 1750enable_lto=$enableval,
1751enable_lto=yes; default_enable_lto=yes)
1752
48215350
DK		 1753ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1754 build_lto_plugin=yes
1755],[if test x"$default_enable_lto" = x"yes" ; then
bb79486c 1756 case $target in
2cd815e7 1757 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
48215350 1758 # On other non-ELF platforms, LTO has yet to be validated.
bb79486c
JH		 1759 *) enable_lto=no ;;
1760 esac
3bec79c5 1761 else
db50fe7d
IS		 1762 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1763 # It would also be nice to check the binutils support, but we don't
3bec79c5
DK		 1764 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1765 # warn during gcc/ subconfigure; unless you're bootstrapping with
1766 # -flto it won't be needed until after installation anyway.
1767 case $target in
1cd0b716 1768 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
3bec79c5
DK		 1769 *) if test x"$enable_lto" = x"yes"; then
1770 AC_MSG_ERROR([LTO support is not enabled for this target.])
1771 fi
1772 ;;
1773 esac
1774 fi
1cd0b716 1775 # Among non-ELF, only Windows platforms support the lto-plugin so far.
48215350 1776 # Build it unless LTO was explicitly disabled.
1cd0b716 1777 case $target in
48215350 1778 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1cd0b716
DK		 1779 *) ;;
1780 esac
48215350 1781])
d7f09764 1782
45b3824d
TS		 1783AC_ARG_ENABLE(linker-plugin-configure-flags,
1784 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1785 [additional flags for configuring linker plugins @<:@none@:>@])],
1786 extra_linker_plugin_configure_flags=$enableval,
1787 extra_linker_plugin_configure_flags=)
1788AC_SUBST(extra_linker_plugin_configure_flags)
1789AC_ARG_ENABLE(linker-plugin-flags,
1790 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1791 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1792 extra_linker_plugin_flags=$enableval,
1793 extra_linker_plugin_flags=)
1794AC_SUBST(extra_linker_plugin_flags)
1795
f8bf9252 1796
0823efed 1797# By default, C and C++ are the only stage 1 languages.
e1888513 1798stage1_languages=,c,
2805b53a 1799
00020c16 1800# Target libraries that we bootstrap.
ad1e5170 1801bootstrap_target_libs=,target-libgcc,
00020c16 1802
e4c9c075
PB		 1803# Figure out what language subdirectories are present.
1804# Look if the user specified --enable-languages="..."; if not, use
1805# the environment variable $LANGUAGES if defined. $LANGUAGES might
1806# go away some day.
1807# NB: embedded tabs in this IF block -- do not untabify
1808if test -d ${srcdir}/gcc; then
1809 if test x"${enable_languages+set}" != xset; then
1810 if test x"${LANGUAGES+set}" = xset; then
1811 enable_languages="${LANGUAGES}"
1812 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1813 else
1814 enable_languages=all
1815 fi
1816 else
1817 if test x"${enable_languages}" = x ||
1818 test x"${enable_languages}" = xyes;
1819 then
1820 echo configure.in: --enable-languages needs at least one language argument 1>&2
1821 exit 1
1822 fi
1823 fi
1824 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1825
7f26dfa3
FXC		 1826 # 'f95' is the old name for the 'fortran' language. We issue a warning
1827 # and make the substitution.
1828 case ,${enable_languages}, in
1829 *,f95,*)
1830 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1831 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1832 ;;
1833 esac
1834
0823efed
DN		 1835 # If bootstrapping, C++ must be enabled.
1836 case ",$enable_languages,:$enable_bootstrap" in
1837 *,c++,*:*) ;;
1838 *:yes)
ff3ac0f4
ILT		 1839 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1840 enable_languages="${enable_languages},c++"
1841 else
0823efed 1842 AC_MSG_ERROR([bootstrapping requires c++ sources])
ff3ac0f4
ILT		 1843 fi
1844 ;;
1845 esac
1846
e4c9c075
PB		 1847 # First scan to see if an enabled language requires some other language.
1848 # We assume that a given config-lang.in will list all the language
1849 # front ends it requires, even if some are required indirectly.
1850 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1851 case ${lang_frag} in
1852 ..) ;;
1853 # The odd quoting in the next line works around
1854 # an apparent bug in bash 1.12 on linux.
1855 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1856 *)
69ecd18f
ILT		 1857 # From the config-lang.in, get $language, $lang_requires, and
1858 # $lang_requires_boot_languages.
e4c9c075
PB		 1859 language=
1860 lang_requires=
69ecd18f 1861 lang_requires_boot_languages=
e4c9c075 1862 . ${lang_frag}
69ecd18f 1863 for other in ${lang_requires} ${lang_requires_boot_languages}; do
e4c9c075
PB		 1864 case ,${enable_languages}, in
1865 *,$other,*) ;;
1866 *,all,*) ;;
1867 *,$language,*)
1868 echo " \`$other' language required by \`$language'; enabling" 1>&2
1869 enable_languages="${enable_languages},${other}"
1870 ;;
1871 esac
1872 done
69ecd18f
ILT		 1873 for other in ${lang_requires_boot_languages} ; do
1874 if test "$other" != "c"; then
1875 case ,${enable_stage1_languages}, in
1876 *,$other,*) ;;
1877 *,all,*) ;;
1878 *)
1879 case ,${enable_languages}, in
1880 *,$language,*)
1881 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1882 enable_stage1_languages="$enable_stage1_languages,${other}"
1883 ;;
1884 esac
1885 ;;
1886 esac
1887 fi
1888 done
e4c9c075
PB		 1889 ;;
1890 esac
1891 done
1892
e1888513 1893 new_enable_languages=,c,
d7f09764
DN		 1894
1895 # If LTO is enabled, add the LTO front end.
d7f09764 1896 if test "$enable_lto" = "yes" ; then
e4c5bd48
RW		 1897 case ,${enable_languages}, in
1898 *,lto,*) ;;
1899 *) enable_languages="${enable_languages},lto" ;;
1900 esac
1cd0b716 1901 if test "${build_lto_plugin}" = "yes" ; then
d7f09764 1902 configdirs="$configdirs lto-plugin"
d7f09764
DN		 1903 fi
1904 fi
d7f09764 1905
e4c9c075 1906 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
e1888513 1907 potential_languages=,c,
e4c9c075 1908
4da3b0f8
ILT		 1909 enabled_target_libs=
1910 disabled_target_libs=
1911
e4c9c075
PB		 1912 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1913 case ${lang_frag} in
1914 ..) ;;
1915 # The odd quoting in the next line works around
1916 # an apparent bug in bash 1.12 on linux.
1917 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1918 *)
1919 # From the config-lang.in, get $language, $target_libs,
2805b53a 1920 # $lang_dirs, $boot_language, and $build_by_default
e4c9c075
PB		 1921 language=
1922 target_libs=
1923 lang_dirs=
1546bb64 1924 subdir_requires=
e1888513
PB		 1925 boot_language=no
1926 build_by_default=yes
e4c9c075 1927 . ${lang_frag}
e1888513
PB		 1928 if test x${language} = x; then
1929 echo "${lang_frag} doesn't set \$language." 1>&2
1930 exit 1
1931 fi
1932
78767fd9 1933 if test "$language" = "c++"; then
0823efed 1934 boot_language=yes
00020c16
ILT		 1935 fi
1936
178f875a 1937 add_this_lang=no
e1888513
PB		 1938 case ,${enable_languages}, in
1939 *,${language},*)
d4a10d0a
SB		 1940 # Language was explicitly selected; include it
1941 # unless it is C, which is enabled by default.
1942 if test "$language" != "c"; then
1943 add_this_lang=yes
1944 fi
e4c9c075 1945 ;;
e1888513
PB		 1946 *,all,*)
1947 # 'all' was selected, select it if it is a default language
178f875a
JM		 1948 if test "$language" != "c"; then
1949 add_this_lang=${build_by_default}
1950 fi
e4c9c075
PB		 1951 ;;
1952 esac
6de9cd9a 1953
1546bb64 1954 # Disable languages that need other directories if these aren't available.
95695ad3 1955 for i in $subdir_requires; do
b6348cb3 1956 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1546bb64
PB		 1957 case ,${enable_languages}, in
1958 *,${language},*)
1959 # Specifically requested language; tell them.
1960 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1961 ;;
1962 *)
1963 # Silently disable.
e1888513 1964 add_this_lang=unsupported
1546bb64
PB		 1965 ;;
1966 esac
1967 done
1968
e1888513
PB		 1969 # Disable Ada if no preexisting GNAT is available.
1970 case ,${enable_languages},:${language}:${have_gnat} in
1971 *,${language},*:ada:no)
1972 # Specifically requested language; tell them.
1973 AC_MSG_ERROR([GNAT is required to build $language])
1974 ;;
1975 *:ada:no)
1976 # Silently disable.
1977 add_this_lang=unsupported
1978 ;;
1979 esac
1980
4fab7234
HPN		 1981 # Disable a language that is unsupported by the target.
1982 case " $unsupported_languages " in
1983 *" $language "*)
e1888513 1984 add_this_lang=unsupported
4fab7234
HPN		 1985 ;;
1986 esac
1987
6de9cd9a 1988 case $add_this_lang in
e1888513 1989 unsupported)
e4c9c075 1990 # Remove language-dependent dirs.
4da3b0f8
ILT		 1991 disabled_target_libs="$disabled_target_libs $target_libs"
1992 noconfigdirs="$noconfigdirs $lang_dirs"
2805b53a 1993 ;;
e1888513
PB		 1994 no)
1995 # Remove language-dependent dirs; still show language as supported.
4da3b0f8
ILT		 1996 disabled_target_libs="$disabled_target_libs $target_libs"
1997 noconfigdirs="$noconfigdirs $lang_dirs"
e1888513
PB		 1998 potential_languages="${potential_languages}${language},"
1999 ;;
2000 yes)
2001 new_enable_languages="${new_enable_languages}${language},"
2002 potential_languages="${potential_languages}${language},"
2805b53a 2003 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
4da3b0f8 2004 enabled_target_libs="$enabled_target_libs $target_libs"
ab9dcd0c
RW		 2005 case "${boot_language}:,$enable_stage1_languages," in
2006 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
340de83f 2007 # Add to (comma-separated) list of stage 1 languages.
ab9dcd0c
RW		 2008 case ",$stage1_languages," in
2009 *,$language,* | ,yes, | ,all,) ;;
2010 *) stage1_languages="${stage1_languages}${language}," ;;
2011 esac
00020c16
ILT		 2012 # We need to bootstrap any supporting libraries.
2013 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2805b53a
NN		 2014 ;;
2015 esac
2016 ;;
e4c9c075
PB		 2017 esac
2018 ;;
2019 esac
2020 done
2021
4da3b0f8
ILT		 2022 # Add target libraries which are only needed for disabled languages
2023 # to noconfigdirs.
2024 if test -n "$disabled_target_libs"; then
2025 for dir in $disabled_target_libs; do
2026 case " $enabled_target_libs " in
2027 *" ${dir} "*) ;;
2028 *) noconfigdirs="$noconfigdirs $dir" ;;
2029 esac
2030 done
2031 fi
2032
e1888513 2033 AC_ARG_ENABLE(stage1-languages,
33e39b66
AS		 2034 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2035 [choose additional languages to build during
2036 stage1. Mostly useful for compiler development])],
e1888513
PB		 2037 [case ,${enable_stage1_languages}, in
2038 ,no,|,,)
2039 # Set it to something that will have no effect in the loop below
2040 enable_stage1_languages=c ;;
2041 ,yes,)
2042 enable_stage1_languages=`echo $new_enable_languages | \
2043 sed -e "s/^,//" -e "s/,$//" ` ;;
2044 *,all,*)
2045 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2046 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2047 esac
2048
2049 # Add "good" languages from enable_stage1_languages to stage1_languages,
2050 # while "bad" languages go in missing_languages. Leave no duplicates.
2051 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2052 case $potential_languages in
2053 *,$i,*)
2054 case $stage1_languages in
2055 *,$i,*) ;;
2056 *) stage1_languages="$stage1_languages$i," ;;
2057 esac ;;
2058 *)
2059 case $missing_languages in
2060 *,$i,*) ;;
2061 *) missing_languages="$missing_languages$i," ;;
2062 esac ;;
2063 esac
2064 done])
2065
2066 # Remove leading/trailing commas that were added for simplicity
2067 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
79b4b7d2 2068 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
e1888513
PB		 2069 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2070 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2071
e4c9c075
PB		 2072 if test "x$missing_languages" != x; then
2073 AC_MSG_ERROR([
0cf085e4 2074The following requested languages could not be built: ${missing_languages}
e1888513 2075Supported languages are: ${potential_languages}])
e4c9c075 2076 fi
e4c9c075
PB		 2077 if test "x$new_enable_languages" != "x$enable_languages"; then
2078 echo The following languages will be built: ${new_enable_languages}
e1888513 2079 enable_languages="$new_enable_languages"
e4c9c075 2080 fi
e1888513
PB		 2081
2082 AC_SUBST(stage1_languages)
b2eaac4a 2083 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
e4c9c075
PB		 2084fi
2085
27079765
AH		 2086# Handle --disable-<component> generically.
2087for dir in $configdirs $build_configdirs $target_configdirs ; do
2088 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
ac9e6043
RW		 2089 varname=`echo $dirname | sed -e s/+/_/g`
2090 if eval test x\${enable_${varname}} "=" xno ; then
27079765
AH		 2091 noconfigdirs="$noconfigdirs $dir"
2092 fi
2093done
2094
7cd0cf9c
DA		 2095# Check for Boehm's garbage collector
2096AC_ARG_ENABLE(objc-gc,
33e39b66
AS		 2097[AS_HELP_STRING([--enable-objc-gc],
2098 [enable use of Boehm's garbage collector with the
2099 GNU Objective-C runtime])],
7cd0cf9c
DA		 2100[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2101 *,objc,*:*:yes:*target-boehm-gc*)
2102 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2103 ;;
2104esac])
2105
2106# Make sure we only build Boehm's garbage collector if required.
2a79fd67
DA		 2107case ,${enable_languages},:${enable_objc_gc} in
2108 *,objc,*:yes)
7cd0cf9c
DA		 2109 # Keep target-boehm-gc if requested for Objective-C.
2110 ;;
7cd0cf9c 2111 *)
2a79fd67
DA		 2112 # Otherwise remove target-boehm-gc depending on target-libjava.
2113 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2114 noconfigdirs="$noconfigdirs target-boehm-gc"
2115 fi
7cd0cf9c
DA		 2116 ;;
2117esac
99776ebd 2118
5f520819 2119# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
99776ebd 2120case ,${enable_languages}, in
1007a55c
JW		 2121 *,c++,*)
2122 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2123 case "${noconfigdirs}" in
2124 *target-libstdc++-v3*)
2125 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2126 ;;
2127 *) ;;
2128 esac
2129 ;;
99776ebd 2130 *)
5f520819 2131 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
99776ebd
RH		 2132 ;;
2133esac
7cd0cf9c 2134
9d069a4f
PB		 2135# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2136# $build_configdirs and $target_configdirs.
e4c9c075
PB		 2137# If we have the source for $noconfigdirs entries, add them to $notsupp.
2138
2139notsupp=""
2140for dir in . $skipdirs $noconfigdirs ; do
9d069a4f 2141 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
e4c9c075
PB		 2142 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2143 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2144 if test -r $srcdir/$dirname/configure ; then
2145 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2146 true
2147 else
2148 notsupp="$notsupp $dir"
2149 fi
2150 fi
2151 fi
9d069a4f
PB		 2152 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2153 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2154 if test -r $srcdir/$dirname/configure ; then
2155 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2156 true
2157 else
2158 notsupp="$notsupp $dir"
2159 fi
2160 fi
2161 fi
e4c9c075
PB		 2162 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2163 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2164 if test -r $srcdir/$dirname/configure ; then
2165 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2166 true
2167 else
2168 notsupp="$notsupp $dir"
2169 fi
2170 fi
2171 fi
2172done
2173
e4c9c075
PB		 2174# Quietly strip out all directories which aren't configurable in this tree.
2175# This relies on all configurable subdirectories being autoconfiscated, which
2176# is now the case.
23f6b2f9
PB		 2177build_configdirs_all="$build_configdirs"
2178build_configdirs=
2179for i in ${build_configdirs_all} ; do
2180 j=`echo $i | sed -e s/build-//g`
2181 if test -f ${srcdir}/$j/configure ; then
2182 build_configdirs="${build_configdirs} $i"
2183 fi
2184done
2185
e4c9c075
PB		 2186configdirs_all="$configdirs"
2187configdirs=
2188for i in ${configdirs_all} ; do
2189 if test -f ${srcdir}/$i/configure ; then
2190 configdirs="${configdirs} $i"
2191 fi
2192done
23f6b2f9 2193
e4c9c075
PB		 2194target_configdirs_all="$target_configdirs"
2195target_configdirs=
2196for i in ${target_configdirs_all} ; do
2197 j=`echo $i | sed -e s/target-//g`
2198 if test -f ${srcdir}/$j/configure ; then
2199 target_configdirs="${target_configdirs} $i"
2200 fi
2201done
2202
45b3824d
TS		 2203# libiberty-linker-plugin is special: it doesn't have its own source directory,
2204# so we have to add it after the preceding checks.
2205if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2206then
2207 case " $configdirs " in
2208 *" libiberty "*)
2209 # If we can build libiberty, we can also build libiberty-linker-plugin.
2210 configdirs="$configdirs libiberty-linker-plugin"
2211 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2212 --with-libiberty=../libiberty-linker-plugin";;
2213 *)
2214 AC_MSG_ERROR([libiberty missing]);;
2215 esac
2216fi
2217
fca38047
TS		 2218# Sometimes we have special requirements for the host libiberty.
2219extra_host_libiberty_configure_flags=
2220case " $configdirs " in
2221 *" lto-plugin "* | *" libcc1 "*)
2222 # When these are to be built as shared libraries, the same applies to
2223 # libiberty.
2224 extra_host_libiberty_configure_flags=--enable-shared
2225 ;;
2226esac
2227AC_SUBST(extra_host_libiberty_configure_flags)
2228
e4c9c075
PB		 2229# Produce a warning message for the subdirs we can't configure.
2230# This isn't especially interesting in the Cygnus tree, but in the individual
2231# FSF releases, it's important to let people know when their machine isn't
2232# supported by the one or two programs in a package.
2233
2234if test -n "${notsupp}" && test -z "${norecursion}" ; then
2235 # If $appdirs is non-empty, at least one of those directories must still
2236 # be configured, or we error out. (E.g., if the gas release supports a
2237 # specified target in some subdirs but not the gas subdir, we shouldn't
2238 # pretend that all is well.)
2239 if test -n "$appdirs" ; then
2240 for dir in $appdirs ; do
2241 if test -r $dir/Makefile.in ; then
2242 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2243 appdirs=""
2244 break
2245 fi
23f6b2f9 2246 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
e4c9c075
PB		 2247 appdirs=""
2248 break
2249 fi
2250 fi
2251 done
2252 if test -n "$appdirs" ; then
2253 echo "*** This configuration is not supported by this package." 1>&2
2254 exit 1
2255 fi
2256 fi
2257 # Okay, some application will build, or we don't care to check. Still
2258 # notify of subdirs not getting built.
2259 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2260 echo " ${notsupp}" 1>&2
2261 echo " (Any other directories should still work fine.)" 1>&2
2262fi
2263
2264case "$host" in
2265 *msdosdjgpp*)
2266 enable_gdbtk=no ;;
2267esac
2268
c3a86da9
DJ		 2269# To find our prefix, in gcc_cv_tool_prefix.
2270ACX_TOOL_DIRS
2271
e4c9c075
PB		 2272copy_dirs=
2273
526635cb 2274AC_ARG_WITH([build-sysroot],
33e39b66
AS		 2275 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2276 [use sysroot as the system root during the build])],
526635cb
MM		 2277 [if test x"$withval" != x ; then
2278 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2279 fi],
2280 [SYSROOT_CFLAGS_FOR_TARGET=])
2281AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2282
c8aea42c 2283AC_ARG_WITH([debug-prefix-map],
33e39b66
AS		 2284 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2285 [map A to B, C to D ... in debug information])],
c8aea42c
PB		 2286 [if test x"$withval" != x; then
2287 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2288 for debug_map in $withval; do
2289 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2290 done
2291 fi],
2292 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2293AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2294
1c8bd6a3
PB		 2295# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2296# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2297# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2298# We want to ensure that TARGET libraries (which we know are built with
2299# gcc) are built with "-O2 -g", so include those options when setting
2300# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2301if test "x$CFLAGS_FOR_TARGET" = x; then
2302 CFLAGS_FOR_TARGET=$CFLAGS
2303 case " $CFLAGS " in
2304 *" -O2 "*) ;;
bd8e704f 2305 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2306 esac
2307 case " $CFLAGS " in
2308 *" -g "* | *" -g3 "*) ;;
bd8e704f 2309 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2310 esac
2311fi
2312AC_SUBST(CFLAGS_FOR_TARGET)
2313
2314if test "x$CXXFLAGS_FOR_TARGET" = x; then
2315 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2316 case " $CXXFLAGS " in
2317 *" -O2 "*) ;;
bd8e704f 2318 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2319 esac
2320 case " $CXXFLAGS " in
2321 *" -g "* | *" -g3 "*) ;;
bd8e704f 2322 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
1c8bd6a3
PB		 2323 esac
2324fi
2325AC_SUBST(CXXFLAGS_FOR_TARGET)
2326
6f57bdf6
DK		 2327AC_SUBST(LDFLAGS_FOR_TARGET)
2328
e4c9c075
PB		 2329# Handle --with-headers=XXX. If the value is not "yes", the contents of
2330# the named directory are copied to $(tooldir)/sys-include.
2331if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2332 if test x${is_cross_compiler} = xno ; then
2333 echo 1>&2 '***' --with-headers is only supported when cross compiling
2334 exit 1
2335 fi
2336 if test x"${with_headers}" != xyes ; then
c3a86da9 2337 x=${gcc_cv_tool_prefix}
1c710c3c 2338 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
e4c9c075
PB		 2339 fi
2340fi
2341
2342# Handle --with-libs=XXX. If the value is not "yes", the contents of
2343# the name directories are copied to $(tooldir)/lib. Multiple directories
2344# are permitted.
2345if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2346 if test x${is_cross_compiler} = xno ; then
2347 echo 1>&2 '***' --with-libs is only supported when cross compiling
2348 exit 1
2349 fi
2350 if test x"${with_libs}" != xyes ; then
2351 # Copy the libraries in reverse order, so that files in the first named
2352 # library override files in subsequent libraries.
c3a86da9 2353 x=${gcc_cv_tool_prefix}
e4c9c075 2354 for l in ${with_libs}; do
1c710c3c 2355 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
e4c9c075
PB		 2356 done
2357 fi
2358fi
2359
d7f09764 2360# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
e8b05380
PB		 2361#
2362# This is done by determining whether or not the appropriate directory
2363# is available, and by checking whether or not specific configurations
2364# have requested that this magic not happen.
2365#
2366# The command line options always override the explicit settings in
2367# configure.in, and the settings in configure.in override this magic.
2368#
2369# If the default for a toolchain is to use GNU as and ld, and you don't
2370# want to do that, then you should use the --without-gnu-as and
d7f09764
DN		 2371# --without-gnu-ld options for the configure script. Similarly, if
2372# the default is to use the included zlib and you don't want to do that,
2373# you should use the --with-system-zlib option for the configure script.
e8b05380
PB		 2374
2375if test x${use_gnu_as} = x &&
2376 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2377 with_gnu_as=yes
2378 extra_host_args="$extra_host_args --with-gnu-as"
2379fi
2380
2381if test x${use_gnu_ld} = x &&
5afab7ad 2382 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
e8b05380
PB		 2383 with_gnu_ld=yes
2384 extra_host_args="$extra_host_args --with-gnu-ld"
2385fi
2386
d7f09764
DN		 2387if test x${use_included_zlib} = x &&
2388 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2389 :
2390else
2391 with_system_zlib=yes
2392 extra_host_args="$extra_host_args --with-system-zlib"
2393fi
2394
e8b05380
PB		 2395# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2396# can detect this case.
2397
2398if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2399 with_newlib=yes
2400 extra_host_args="$extra_host_args --with-newlib"
2401fi
2402
e4c9c075
PB		 2403# Handle ${copy_dirs}
2404set fnord ${copy_dirs}
2405shift
2406while test $# != 0 ; do
2407 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2408 :
2409 else
2410 echo Copying $1 to $2
2411
2412 # Use the install script to create the directory and all required
2413 # parent directories.
2414 if test -d $2 ; then
2415 :
2416 else
2417 echo >config.temp
2418 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2419 fi
2420
2421 # Copy the directory, assuming we have tar.
2422 # FIXME: Should we use B in the second tar? Not all systems support it.
2423 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2424
2425 # It is the responsibility of the user to correctly adjust all
2426 # symlinks. If somebody can figure out how to handle them correctly
2427 # here, feel free to add the code.
2428
2429 echo $1 > $2/COPIED
2430 fi
2431 shift; shift
2432done
2433
e8b05380
PB		 2434# Determine a target-dependent exec_prefix that the installed
2435# gcc will search in. Keep this list sorted by triplet, with
2436# the *-*-osname triplets last.
2437md_exec_prefix=
2438case "${target}" in
30b74385 2439 i[[34567]]86-pc-msdosdjgpp*)
e8b05380
PB		 2440 md_exec_prefix=/dev/env/DJDIR/bin
2441 ;;
e8b05380 2442 *-*-hpux* | \
e8b05380 2443 *-*-nto-qnx* | \
6de66370 2444 *-*-solaris2*)
e8b05380
PB		 2445 md_exec_prefix=/usr/ccs/bin
2446 ;;
2447esac
2448
4977bab6
ZW		 2449extra_arflags_for_target=
2450extra_nmflags_for_target=
2a726918 2451extra_ranlibflags_for_target=
671aa708 2452target_makefile_frag=/dev/null
55380b08 2453case "${target}" in
58e24147
AM		 2454 spu-*-*)
2455 target_makefile_frag="config/mt-spu"
2456 ;;
d91491e5 2457 mips*-sde-elf* | mips*-mti-elf*)
4bf6c438
RS		 2458 target_makefile_frag="config/mt-sde"
2459 ;;
1ec3b87b
RS		 2460 mipsisa*-*-elfoabi*)
2461 target_makefile_frag="config/mt-mips-elfoabi"
2462 ;;
08d0963a
RS		 2463 mips*-*-*linux* | mips*-*-gnu*)
2464 target_makefile_frag="config/mt-mips-gnu"
2465 ;;
707f1839
SL		 2466 nios2-*-elf*)
2467 target_makefile_frag="config/mt-nios2-elf"
2468 ;;
416ac4d4 2469 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
98a5bb3b 2470 target_makefile_frag="config/mt-gnu"
55380b08 2471 ;;
671aa708 2472 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
4977bab6
ZW		 2473 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2474 # commands to handle both 32-bit and 64-bit objects. These flags are
2475 # harmless if we're using GNU nm or ar.
2476 extra_arflags_for_target=" -X32_64"
2477 extra_nmflags_for_target=" -B -X32_64"
55380b08 2478 ;;
c3b7d169
NN		 2479esac
2480
671aa708 2481alphaieee_frag=/dev/null
c3b7d169
NN		 2482case $target in
2483 alpha*-*-*)
2484 # This just makes sure to use the -mieee option to build target libs.
2485 # This should probably be set individually by each library.
2486 alphaieee_frag="config/mt-alphaieee"
55380b08
NN		 2487 ;;
2488esac
701afd4d 2489
55380b08
NN		 2490# If --enable-target-optspace always use -Os instead of -O2 to build
2491# the target libraries, similarly if it is not specified, use -Os
2492# on selected platforms.
671aa708 2493ospace_frag=/dev/null
55380b08
NN		 2494case "${enable_target_optspace}:${target}" in
2495 yes:*)
c3b7d169 2496 ospace_frag="config/mt-ospace"
55380b08
NN		 2497 ;;
2498 :d30v-*)
c3b7d169 2499 ospace_frag="config/mt-d30v"
55380b08
NN		 2500 ;;
2501 :m32r-* | :d10v-* | :fr30-*)
c3b7d169 2502 ospace_frag="config/mt-ospace"
55380b08
NN		 2503 ;;
2504 no:* | :*)
2505 ;;
2506 *)
2507 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2508 ;;
2509esac
6599da04 2510
671aa708
NN		 2511# Some systems (e.g., one of the i386-aix systems the gas testers are
2512# using) don't handle "\$" correctly, so don't use it here.
1c710c3c 2513tooldir='${exec_prefix}'/${target_noncanonical}
671aa708
NN		 2514build_tooldir=${tooldir}
2515
671aa708
NN		 2516# Create a .gdbinit file which runs the one in srcdir
2517# and tells GDB to look there for source files.
2518
2519if test -r ${srcdir}/.gdbinit ; then
2520 case ${srcdir} in
2521 .) ;;
2522 *) cat > ./.gdbinit <<EOF
2523# ${NO_EDIT}
2524dir ${srcdir}
2525dir .
2526source ${srcdir}/.gdbinit
2527EOF
2528 ;;
2529 esac
2530fi
2531
6599da04
JM		 2532# Make sure that the compiler is able to generate an executable. If it
2533# can't, we are probably in trouble. We don't care whether we can run the
2534# executable--we might be using a cross compiler--we only care whether it
2535# can be created. At this point the main configure script has set CC.
aeaa0f2f 2536we_are_ok=no
6599da04
JM		 2537echo "int main () { return 0; }" > conftest.c
2538${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
aeaa0f2f
NN		 2539if test $? = 0 ; then
2540 if test -s conftest || test -s conftest.exe ; then
2541 we_are_ok=yes
2542 fi
2543fi
2544case $we_are_ok in
2545 no)
2546 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2547 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2548 rm -f conftest*
2549 exit 1
2550 ;;
2551esac
6599da04
JM		 2552rm -f conftest*
2553
d89f0ad6 2554# Decide which environment variable is used to find dynamic libraries.
fe3d5b7f
NN		 2555case "${host}" in
2556 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
111eeb6e 2557 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
d89f0ad6 2558 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
fe3d5b7f
NN		 2559 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2560esac
fe3d5b7f 2561
d89f0ad6
AL		 2562# On systems where the dynamic library environment variable is PATH,
2563# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2564# built executables to PATH.
2565if test "$RPATH_ENVVAR" = PATH; then
2566 GCC_SHLIB_SUBDIR=/shlib
2567else
2568 GCC_SHLIB_SUBDIR=
2569fi
2570
beeda1d9
JJ		 2571# Adjust the toplevel makefile according to whether bootstrap was selected.
2572case $enable_bootstrap in
2573 yes)
2574 bootstrap_suffix=bootstrap
2575 BUILD_CONFIG=bootstrap-debug
2576 ;;
2577 no)
2578 bootstrap_suffix=no-bootstrap
2579 BUILD_CONFIG=
2580 ;;
2581esac
2582
2583AC_MSG_CHECKING(for default BUILD_CONFIG)
2584
2585AC_ARG_WITH([build-config],
2586 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2587 [use config/NAME.mk build configuration])],
2588 [case $with_build_config in
2589 yes) with_build_config= ;;
2590 no) with_build_config= BUILD_CONFIG= ;;
2591 esac])
2592
2593if test "x${with_build_config}" != x; then
2594 BUILD_CONFIG=$with_build_config
2595else
2596 case $BUILD_CONFIG in
2597 bootstrap-debug)
2598 if echo "int f (void) { return 0; }" > conftest.c &&
2599 ${CC} -c conftest.c &&
2600 mv conftest.o conftest.o.g0 &&
2601 ${CC} -c -g conftest.c &&
2602 mv conftest.o conftest.o.g &&
2603 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2604 :
2605 else
2606 BUILD_CONFIG=
2607 fi
2608 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2609 ;;
2610 esac
2611fi
2612AC_MSG_RESULT($BUILD_CONFIG)
2613AC_SUBST(BUILD_CONFIG)
2614
2615# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2616AC_MSG_CHECKING([for --enable-vtable-verify])
2617AC_ARG_ENABLE(vtable-verify,
2618[ --enable-vtable-verify Enable vtable verification feature ],
2619[case "$enableval" in
2620 yes) enable_vtable_verify=yes ;;
2621 no) enable_vtable_verify=no ;;
2622 *) enable_vtable_verify=no;;
2623 esac],
2624[enable_vtable_verify=no])
2625AC_MSG_RESULT($enable_vtable_verify)
2626
4977bab6
ZW		 2627# Record target_configdirs and the configure arguments for target and
2628# build configuration in Makefile.
2629target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
23f6b2f9 2630build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
9e1c8fc1 2631bootstrap_fixincludes=no
4977bab6 2632
ad1e5170
JR		 2633# If we are building libgomp, bootstrap it.
2634if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2635 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2636fi
2637
beeda1d9
JJ		 2638# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2639# or bootstrap-ubsan, bootstrap it.
2640if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2641 case "$BUILD_CONFIG" in
2642 *bootstrap-asan* | *bootstrap-ubsan* )
2643 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
9e1c8fc1 2644 bootstrap_fixincludes=yes
beeda1d9
JJ		 2645 ;;
2646 esac
ac8701fe
L		 2647fi
2648
beeda1d9
JJ		 2649# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2650if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2651 test "$enable_vtable_verify" != no; then
2077db1b
CT		 2652 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2653fi
2654
4977bab6
ZW		 2655# Determine whether gdb needs tk/tcl or not.
2656# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2657# and in that case we want gdb to be built without tk. Ugh!
2658# In fact I believe gdb is the *only* package directly dependent on tk,
2659# so we should be able to put the 'maybe's in unconditionally and
2660# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2661# 100% sure that that's safe though.
e914a571 2662
b4f96efe 2663gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
4977bab6
ZW		 2664case "$enable_gdbtk" in
2665 no)
2666 GDB_TK="" ;;
e914a571
AC		 2667 yes)
2668 GDB_TK="${gdb_tk}" ;;
4977bab6 2669 *)
e914a571
AC		 2670 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2671 # distro. Eventually someone will fix this and move Insight, nee
2672 # gdbtk to a separate directory.
2673 if test -d ${srcdir}/gdb/gdbtk ; then
2674 GDB_TK="${gdb_tk}"
2675 else
2676 GDB_TK=""
2677 fi
2678 ;;
4977bab6 2679esac
ef9db8d5
DJ		 2680CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2681INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
4977bab6 2682
60975492 2683# Strip out unwanted targets.
8b87bb96
NN		 2684
2685# While at that, we remove Makefiles if we were started for recursive
2686# configuration, so that the top-level Makefile reconfigures them,
2687# like we used to do when configure itself was recursive.
8b87bb96 2688
3e54529c
RW		 2689# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2690# but now we're fixing up the Makefile ourselves with the additional
2691# commands passed to AC_CONFIG_FILES. Use separate variables
2692# extrasub-{build,host,target} not because there is any reason to split
2693# the substitutions up that way, but only to remain below the limit of
2694# 99 commands in a script, for HP-UX sed.
2695# Do not nest @if/@endif pairs, because configure will not warn you at all.
8b87bb96 2696
79cd2b23
RW		 2697case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2698 yes:yes:*\ gold\ *:*,c++,*) ;;
2699 yes:yes:*\ gold\ *:*)
2700 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2701 ;;
2702esac
2703
3e54529c 2704extrasub_build=
23f6b2f9 2705for module in ${build_configdirs} ; do
8b87bb96
NN		 2706 if test -z "${no_recursion}" \
2707 && test -f ${build_subdir}/${module}/Makefile; then
2708 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2709 rm -f ${build_subdir}/${module}/Makefile
2710 fi
3e54529c 2711 extrasub_build="$extrasub_build
60975492 2712/^@if build-$module\$/d
5607edfd
PB		 2713/^@endif build-$module\$/d
2714/^@if build-$module-$bootstrap_suffix\$/d
2715/^@endif build-$module-$bootstrap_suffix\$/d"
8b87bb96 2716done
3e54529c 2717extrasub_host=
8b87bb96 2718for module in ${configdirs} ; do
a6fbc1e2 2719 if test -z "${no_recursion}"; then
f063a9ed 2720 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
a6fbc1e2
AS		 2721 if test -f ${file}; then
2722 echo 1>&2 "*** removing ${file} to force reconfigure"
2723 rm -f ${file}
2724 fi
2725 done
8b87bb96 2726 fi
9e1c8fc1
JJ		 2727 case ${module},${bootstrap_fixincludes} in
2728 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2729 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2730 esac
3e54529c 2731 extrasub_host="$extrasub_host
60975492 2732/^@if $module\$/d
5607edfd 2733/^@endif $module\$/d
9e1c8fc1
JJ		 2734/^@if $module-$host_bootstrap_suffix\$/d
2735/^@endif $module-$host_bootstrap_suffix\$/d"
8b87bb96 2736done
3e54529c 2737extrasub_target=
8b87bb96
NN		 2738for module in ${target_configdirs} ; do
2739 if test -z "${no_recursion}" \
2740 && test -f ${target_subdir}/${module}/Makefile; then
2741 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2742 rm -f ${target_subdir}/${module}/Makefile
2743 fi
00020c16
ILT		 2744
2745 # We only bootstrap target libraries listed in bootstrap_target_libs.
2746 case $bootstrap_target_libs in
2747 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2748 *) target_bootstrap_suffix=no-bootstrap ;;
2749 esac
2750
3e54529c 2751 extrasub_target="$extrasub_target
60975492 2752/^@if target-$module\$/d
5607edfd 2753/^@endif target-$module\$/d
00020c16
ILT		 2754/^@if target-$module-$target_bootstrap_suffix\$/d
2755/^@endif target-$module-$target_bootstrap_suffix\$/d"
4977bab6 2756done
f516a7da 2757
3e54529c
RW		 2758# Do the final fixup along with target modules.
2759extrasub_target="$extrasub_target
60975492 2760/^@if /,/^@endif /d"
4977bab6
ZW		 2761
2762# Create the serialization dependencies. This uses a temporary file.
2763
ade82b16 2764AC_ARG_ENABLE([serial-configure],
33e39b66
AS		 2765[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2766 [force sequential configuration of
2767 sub-packages for the host, target or build
2768 machine, or all sub-packages])])
bf1d3e81
NN		 2769
2770case ${enable_serial_configure} in
2771 yes)
2772 enable_serial_build_configure=yes
2773 enable_serial_host_configure=yes
2774 enable_serial_target_configure=yes
2775 ;;
2776esac
ade82b16 2777
4977bab6
ZW		 2778# These force 'configure's to be done one at a time, to avoid problems
2779# with contention over a shared config.cache.
2780rm -f serdep.tmp
ade82b16 2781echo '# serdep.tmp' > serdep.tmp
4977bab6 2782olditem=
bf1d3e81 2783test "x${enable_serial_build_configure}" = xyes &&
4977bab6
ZW		 2784for item in ${build_configdirs} ; do
2785 case ${olditem} in
2786 "") ;;
ade82b16 2787 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2788 esac
2789 olditem=${item}
2790done
2791olditem=
bf1d3e81 2792test "x${enable_serial_host_configure}" = xyes &&
4977bab6
ZW		 2793for item in ${configdirs} ; do
2794 case ${olditem} in
2795 "") ;;
ade82b16 2796 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2797 esac
2798 olditem=${item}
2799done
2800olditem=
bf1d3e81 2801test "x${enable_serial_target_configure}" = xyes &&
4977bab6
ZW		 2802for item in ${target_configdirs} ; do
2803 case ${olditem} in
2804 "") ;;
ade82b16 2805 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2806 esac
2807 olditem=${item}
2808done
671aa708
NN		 2809serialization_dependencies=serdep.tmp
2810AC_SUBST_FILE(serialization_dependencies)
fe3d5b7f 2811
ade82b16 2812# Base args. Strip norecursion, cache-file, srcdir, host, build,
1c710c3c 2813# target, nonopt, and variable assignments. These are the ones we
f1a036e4
NC		 2814# might not want to pass down to subconfigures. The exception being
2815# --cache-file=/dev/null, which is used to turn off the use of cache
2816# files altogether, and which should be passed on to subconfigures.
2817# Also strip program-prefix, program-suffix, and program-transform-name,
2818# so that we can pass down a consistent program-transform-name.
1c710c3c 2819baseargs=
29a63921 2820tbaseargs=
1c710c3c
DJ		 2821keep_next=no
2822skip_next=no
2823eval "set -- $ac_configure_args"
44bfc3ac
DJ		 2824for ac_arg
2825do
1c710c3c
DJ		 2826 if test X"$skip_next" = X"yes"; then
2827 skip_next=no
2828 continue
2829 fi
2830 if test X"$keep_next" = X"yes"; then
2831 case $ac_arg in
2832 *\'*)
2833 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2834 esac
2835 baseargs="$baseargs '$ac_arg'"
29a63921 2836 tbaseargs="$tbaseargs '$ac_arg'"
1c710c3c
DJ		 2837 keep_next=no
2838 continue
2839 fi
2840
2841 # Handle separated arguments. Based on the logic generated by
2842 # autoconf 2.59.
2843 case $ac_arg in
2844 *=* | --config-cache | -C | -disable-* | --disable-* \
2845 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2846 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2847 | -with-* | --with-* | -without-* | --without-* | --x)
2848 separate_arg=no
2849 ;;
2850 -*)
2851 separate_arg=yes
2852 ;;
2853 *)
2854 separate_arg=no
2855 ;;
2856 esac
2857
29a63921
AO		 2858 skip_targ=no
2859 case $ac_arg in
2860changequote(,)
2861 --with-* | --without-*)
2862 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2863
2864 case $libopt in
2865 *[-_]include)
2866 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2867 ;;
2868 *[-_]lib)
2869 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2870 ;;
2871 *)
2872 lib=$libopt
2873 ;;
2874 esac
2875changequote([,])
2876
2877 case $lib in
4a9bb2aa 2878 mpc | mpfr | gmp | isl)
29a63921
AO		 2879 # If we're processing --with-$lib, --with-$lib-include or
2880 # --with-$lib-lib, for one of the libs above, and target is
2881 # different from host, don't pass the current argument to any
2882 # target library's configure.
2883 if test x$is_cross_compiler = xyes; then
2884 skip_targ=yes
2885 fi
2886 ;;
2887 esac
2888 ;;
2889 esac
2890
1c710c3c 2891 case "$ac_arg" in
f1a036e4
NC		 2892 --cache-file=/dev/null | \
2893 -cache-file=/dev/null )
2894 # Handled here to avoid the test to skip args below.
2895 baseargs="$baseargs '$ac_arg'"
29a63921 2896 tbaseargs="$tbaseargs '$ac_arg'"
f1a036e4
NC		 2897 # Assert: $separate_arg should always be no.
2898 keep_next=$separate_arg
2899 ;;
1c710c3c
DJ		 2900 --no*)
2901 continue
2902 ;;
2903 --c* | \
2904 --sr* | \
2905 --ho* | \
2906 --bu* | \
2907 --t* | \
2908 --program-* | \
2909 -cache_file* | \
2910 -srcdir* | \
2911 -host* | \
2912 -build* | \
2913 -target* | \
2914 -program-prefix* | \
2915 -program-suffix* | \
2916 -program-transform-name* )
2917 skip_next=$separate_arg
2918 continue
2919 ;;
2920 -*)
2921 # An option. Add it.
2922 case $ac_arg in
2923 *\'*)
2924 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2925 esac
2926 baseargs="$baseargs '$ac_arg'"
29a63921
AO		 2927 if test X"$skip_targ" = Xno; then
2928 tbaseargs="$tbaseargs '$ac_arg'"
2929 fi
1c710c3c
DJ		 2930 keep_next=$separate_arg
2931 ;;
2932 *)
2933 # Either a variable assignment, or a nonopt (triplet). Don't
2934 # pass it down; let the Makefile handle this.
2935 continue
2936 ;;
2937 esac
2938done
2939# Remove the initial space we just introduced and, as these will be
2940# expanded by make, quote '$'.
2941baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
6599da04 2942
43bb47c2
DJ		 2943# Add in --program-transform-name, after --program-prefix and
2944# --program-suffix have been applied to it. Autoconf has already
2945# doubled dollar signs and backslashes in program_transform_name; we want
2946# the backslashes un-doubled, and then the entire thing wrapped in single
2947# quotes, because this will be expanded first by make and then by the shell.
2948# Also, because we want to override the logic in subdir configure scripts to
2949# choose program_transform_name, replace any s,x,x, with s,y,y,.
2950sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2951${program_transform_name}
2952EOF_SED
2953gcc_transform_name=`cat conftestsed.out`
2954rm -f conftestsed.out
2955baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
29a63921 2956tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
d9acb717
RW		 2957if test "$silent" = yes; then
2958 baseargs="$baseargs --silent"
29a63921 2959 tbaseargs="$tbaseargs --silent"
d9acb717 2960fi
0115d4a3 2961baseargs="$baseargs --disable-option-checking"
29a63921 2962tbaseargs="$tbaseargs --disable-option-checking"
43bb47c2 2963
ffedf511
RW		 2964# Record and document user additions to sub configure arguments.
2965AC_ARG_VAR([build_configargs],
2966 [additional configure arguments for build directories])
2967AC_ARG_VAR([host_configargs],
2968 [additional configure arguments for host directories])
2969AC_ARG_VAR([target_configargs],
2970 [additional configure arguments for target directories])
2971
e490616e
ZW		 2972# For the build-side libraries, we just need to pretend we're native,
2973# and not use the same cache file. Multilibs are neither needed nor
3d96b0d0
HPN		 2974# desired. We can't even use the same cache file for all build-side
2975# libraries, as they're compiled differently; some with C, some with
2976# C++ or with different feature-enabling options.
2977build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
e254d6b5 2978
4977bab6
ZW		 2979# For host modules, accept cache file option, or specification as blank.
2980case "${cache_file}" in
2981"") # empty
2982 cache_file_option="" ;;
671aa708 2983/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
4977bab6
ZW		 2984 cache_file_option="--cache-file=${cache_file}" ;;
2985*) # relative path
2986 cache_file_option="--cache-file=../${cache_file}" ;;
2987esac
2988
09438bde
NN		 2989# Host dirs don't like to share a cache file either, horribly enough.
2990# This seems to be due to autoconf 2.5x stupidity.
ffedf511 2991host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
4977bab6 2992
29a63921 2993target_configargs="$target_configargs ${tbaseargs}"
e490616e 2994
6599da04
JM		 2995# Passing a --with-cross-host argument lets the target libraries know
2996# whether they are being built with a cross-compiler or being built
2997# native. However, it would be better to use other mechanisms to make the
2998# sorts of decisions they want to make on this basis. Please consider
2999# this option to be deprecated. FIXME.
aeaa0f2f 3000if test x${is_cross_compiler} = xyes ; then
1c710c3c 3001 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
6599da04
JM		 3002fi
3003
79e0604d
FXC		 3004# Special user-friendly check for native x86_64-linux build, if
3005# multilib is not explicitly enabled.
3006case "$target:$have_compiler:$host:$target:$enable_multilib" in
3007 x86_64-*linux*:yes:$build:$build:)
3008 # Make sure we have a developement environment that handles 32-bit
3009 dev64=no
3010 echo "int main () { return 0; }" > conftest.c
3011 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3012 if test $? = 0 ; then
3013 if test -s conftest || test -s conftest.exe ; then
3014 dev64=yes
3015 fi
3016 fi
3017 rm -f conftest*
3018 if test x${dev64} != xyes ; then
3019 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.])
3020 fi
3021 ;;
3022esac
3023
dc683a3f
RW		 3024# Default to --enable-multilib.
3025if test x${enable_multilib} = x ; then
3fedb745 3026 target_configargs="--enable-multilib ${target_configargs}"
dc683a3f 3027fi
6599da04 3028
5d4a5ee6
JL		 3029# Pass --with-newlib if appropriate. Note that target_configdirs has
3030# changed from the earlier setting of with_newlib.
aeaa0f2f 3031if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3fedb745 3032 target_configargs="--with-newlib ${target_configargs}"
5d4a5ee6
JL		 3033fi
3034
6b9eb62c
NN		 3035# Different target subdirs use different values of certain variables
3036# (notably CXX). Worse, multilibs use *lots* of different values.
3037# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3038# it doesn't automatically accept command-line overrides of them.
3039# This means it's not safe for target subdirs to share a cache file,
3040# which is disgusting, but there you have it. Hopefully this can be
3041# fixed in future. It's still worthwhile to use a cache file for each
3042# directory. I think.
3043
bebcd931
MS		 3044# Pass the appropriate --build, --host, --target and --cache-file arguments.
3045# We need to pass --target, as newer autoconf's requires consistency
3046# for target_alias and gcc doesn't manage it consistently.
e69bf64b 3047target_configargs="--cache-file=./config.cache ${target_configargs}"
e490616e 3048
b87487b6 3049FLAGS_FOR_TARGET=
bb654703 3050case " $target_configdirs " in
7965440a 3051 *" newlib "*)
3fedb745 3052 case " $target_configargs " in
7965440a 3053 *" --with-newlib "*)
b87487b6 3054 case "$target" in
5d571eaa 3055 *-cygwin*)
443e6238 3056 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
5d571eaa 3057 ;;
b87487b6
AO		 3058 esac
3059
afd7db25 3060 # If we're not building GCC, don't discard standard headers.
ef40bc65 3061 if test -d ${srcdir}/gcc; then
d4eb109c 3062 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
afd7db25
AO		 3063
3064 if test "${build}" != "${host}"; then
3065 # On Canadian crosses, CC_FOR_TARGET will have already been set
3066 # by `configure', so we won't have an opportunity to add -Bgcc/
3067 # to it. This is right: we don't want to search that directory
3068 # for binaries, but we want the header files in there, so add
3069 # them explicitly.
0463992b 3070 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
afd7db25
AO		 3071
3072 # Someone might think of using the pre-installed headers on
3073 # Canadian crosses, in case the installed compiler is not fully
3074 # compatible with the compiler being built. In this case, it
3075 # would be better to flag an error than risking having
3076 # incompatible object files being constructed. We can't
3077 # guarantee that an error will be flagged, but let's hope the
3078 # compiler will do it, when presented with incompatible header
3079 # files.
3080 fi
d4eb109c
AO		 3081 fi
3082
ab50d72b 3083 case "${target}-${is_cross_compiler}" in
f2a0e225 3084 i[[3456789]]86-*-linux*-no)
ab50d72b
DD		 3085 # Here host == target, so we don't need to build gcc,
3086 # so we don't want to discard standard headers.
3087 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
ab50d72b
DD		 3088 ;;
3089 *)
3090 # If we're building newlib, use its generic headers last, but search
3091 # for any libc-related directories first (so make it the last -B
3092 # switch).
3093 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
c03353e2
RIL		 3094
3095 # If we're building libgloss, find the startup file, simulator library
3096 # and linker script.
3097 case " $target_configdirs " in
3098 *" libgloss "*)
3099 # Look for startup file, simulator library and maybe linker script.
3100 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3101 # Look for libnosys.a in case the target needs it.
3102 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3103 # Most targets have the linker script in the source directory.
3104 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3105 ;;
3106 esac
ab50d72b
DD		 3107 ;;
3108 esac
b87487b6 3109 ;;
7965440a
AO		 3110 esac
3111 ;;
b87487b6 3112esac
5d571eaa 3113
b91f0a41 3114case "$target" in
5d571eaa
OS		 3115 x86_64-*mingw* | *-w64-mingw*)
3116 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3117 # however, use a symlink named 'mingw' in ${prefix} .
3118 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3119 ;;
3120 *-mingw*)
3121 # MinGW can't be handled as Cygwin above since it does not use newlib.
3122 FLAGS_FOR_TARGET=$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'
3123 ;;
b91f0a41 3124esac
d4eb109c 3125
6691a79e
ME		 3126# Allow the user to override the flags for
3127# our build compiler if desired.
f019adc1
MF		 3128if test x"${build}" = x"${host}" ; then
3129 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3130 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3131 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3132fi
6691a79e 3133
d4eb109c
AO		 3134# On Canadian crosses, we'll be searching the right directories for
3135# the previously-installed cross compiler, so don't bother to add
3136# flags for directories within the install tree of the compiler
3137# being built; programs in there won't even run.
ef40bc65 3138if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
b87487b6 3139 # Search for pre-installed headers if nothing else fits.
9124bc53 3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
b87487b6 3141fi
d4eb109c 3142
bb654703 3143if test "x${use_gnu_ld}" = x &&
55380b08 3144 echo " ${configdirs} " | grep " ld " > /dev/null ; then
b87487b6 3145 # Arrange for us to find uninstalled linker scripts.
215c351a 3146 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
b87487b6
AO		 3147fi
3148
e88a2c09
DD		 3149# Search for other target-specific linker scripts and such.
3150case "${target}" in
3e19841a
PB		 3151 mep*)
3152 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3153 ;;
e88a2c09
DD		 3154esac
3155
671aa708 3156# Makefile fragments.
7b61653a
PE		 3157for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3158do
3159 eval fragval=\$$frag
3160 if test $fragval != /dev/null; then
3161 eval $frag=${srcdir}/$fragval
3162 fi
3163done
671aa708
NN		 3164AC_SUBST_FILE(host_makefile_frag)
3165AC_SUBST_FILE(target_makefile_frag)
3166AC_SUBST_FILE(alphaieee_frag)
3167AC_SUBST_FILE(ospace_frag)
3168
3169# Miscellanea: directories, flags, etc.
671aa708 3170AC_SUBST(RPATH_ENVVAR)
d89f0ad6 3171AC_SUBST(GCC_SHLIB_SUBDIR)
671aa708
NN		 3172AC_SUBST(tooldir)
3173AC_SUBST(build_tooldir)
ef9db8d5 3174AC_SUBST(CONFIGURE_GDB_TK)
671aa708 3175AC_SUBST(GDB_TK)
ef9db8d5 3176AC_SUBST(INSTALL_GDB_TK)
671aa708
NN		 3177
3178# Build module lists & subconfigure args.
671aa708 3179AC_SUBST(build_configargs)
23f6b2f9 3180AC_SUBST(build_configdirs)
671aa708
NN		 3181
3182# Host module lists & subconfigure args.
3183AC_SUBST(host_configargs)
3184AC_SUBST(configdirs)
aae29963 3185AC_SUBST(target_configdirs)
671aa708
NN		 3186
3187# Target module lists & subconfigure args.
671aa708 3188AC_SUBST(target_configargs)
ee2312f3 3189
671aa708
NN		 3190
3191# Build tools.
0999159b
PB		 3192AC_SUBST(AR_FOR_BUILD)
3193AC_SUBST(AS_FOR_BUILD)
671aa708 3194AC_SUBST(CC_FOR_BUILD)
0999159b
PB		 3195AC_SUBST(CFLAGS_FOR_BUILD)
3196AC_SUBST(CXXFLAGS_FOR_BUILD)
3197AC_SUBST(CXX_FOR_BUILD)
3198AC_SUBST(DLLTOOL_FOR_BUILD)
3199AC_SUBST(GCJ_FOR_BUILD)
3200AC_SUBST(GFORTRAN_FOR_BUILD)
632e2a07 3201AC_SUBST(GOC_FOR_BUILD)
0999159b
PB		 3202AC_SUBST(LDFLAGS_FOR_BUILD)
3203AC_SUBST(LD_FOR_BUILD)
3204AC_SUBST(NM_FOR_BUILD)
3205AC_SUBST(RANLIB_FOR_BUILD)
3206AC_SUBST(WINDMC_FOR_BUILD)
3207AC_SUBST(WINDRES_FOR_BUILD)
671aa708 3208
2abefe3d
PB		 3209# Generate default definitions for YACC, M4, LEX and other programs that run
3210# on the build machine. These are used if the Makefile can't locate these
3211# programs in objdir.
3212MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3213
3214AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3215case " $build_configdirs " in
3216 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2abefe3d
PB		 3217esac
3218
3219AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3220case " $build_configdirs " in
3221 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3222esac
3223
3224AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3225case " $build_configdirs " in
3226 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3227esac
3228
3229AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3230case " $build_configdirs " in
3231 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3232 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3233esac
3234
3235AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3236case " $build_configdirs " in
3237 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3238esac
3239
3240AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3241case " $build_configdirs " in
3242 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3243 *)
3244changequote(,)
d18ff35a 3245 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2abefe3d
PB		 3246 # higher, else we use the "missing" dummy.
3247 if ${MAKEINFO} --version \
d18ff35a 3248 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2abefe3d
PB		 3249 :
3250 else
3251 MAKEINFO="$MISSING makeinfo"
3252 fi
3253 ;;
3254changequote([,])
3255esac
3256
3257# FIXME: expect and dejagnu may become build tools?
3258
3259AC_CHECK_PROGS(EXPECT, expect, expect)
3260case " $configdirs " in
3261 *" expect "*)
3262 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3263 ;;
3264esac
3265
3266AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3267case " $configdirs " in
3268 *" dejagnu "*)
c394e891 3269 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2abefe3d
PB		 3270 ;;
3271esac
3272
3273
671aa708 3274# Host tools.
2693c0b0
PB		 3275NCN_STRICT_CHECK_TOOLS(AR, ar)
3276NCN_STRICT_CHECK_TOOLS(AS, as)
3277NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3278NCN_STRICT_CHECK_TOOLS(LD, ld)
2abefe3d 3279NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2693c0b0 3280NCN_STRICT_CHECK_TOOLS(NM, nm)
8927b7c0
RO		 3281NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3282NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
2693c0b0 3283NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
901119ae 3284NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2693c0b0
PB		 3285NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3286NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
e7a82751 3287NCN_STRICT_CHECK_TOOLS(READELF, readelf)
671aa708
NN		 3288AC_SUBST(CC)
3289AC_SUBST(CXX)
3290AC_SUBST(CFLAGS)
3291AC_SUBST(CXXFLAGS)
671aa708 3292
2abefe3d 3293# Target tools.
e8b05380 3294AC_ARG_WITH([build-time-tools],
33e39b66
AS		 3295 [AS_HELP_STRING([--with-build-time-tools=PATH],
3296 [use given path to find target tools during the build])],
e8b05380
PB		 3297 [case x"$withval" in
3298 x/*) ;;
3299 *)
3300 with_build_time_tools=
3301 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3302 ;;
3303 esac],
3304 [with_build_time_tools=])
3305
2693c0b0
PB		 3306NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3307NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2693c0b0
PB		 3308NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3309NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3310NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
632e2a07 3311NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
e8b05380
PB		 3312
3313ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3314ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3315ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3316ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3317ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3318ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3319ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
8927b7c0 3320ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
e7a82751 3321ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
e8b05380
PB		 3322ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3323ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
901119ae 3324ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
4de997d1 3325
2abefe3d
PB		 3326RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3327
3328GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3329GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3330GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
b3f122e0 3331dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
2abefe3d 3332GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2077db1b 3333 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
2abefe3d
PB		 3334 c++)
3335GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2077db1b 3336 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
2abefe3d
PB		 3337 c++)
3338GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3339GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3340GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3341 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3342GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3343 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
632e2a07
ILT		 3344GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3345 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
2abefe3d
PB		 3346GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3347GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3348GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3349GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3350GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
e7a82751 3351GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
455c8f48 3352GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
2abefe3d 3353GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
901119ae 3354GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
4de997d1 3355
2abefe3d 3356AC_SUBST(FLAGS_FOR_TARGET)
4de997d1 3357AC_SUBST(RAW_CXX_FOR_TARGET)
be912515 3358
671aa708
NN		 3359# Certain tools may need extra flags.
3360AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3361RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3362NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
6599da04 3363
2abefe3d
PB		 3364# When building target libraries, except in a Canadian cross, we use
3365# the same toolchain as the compiler we just built.
3366COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3367COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3368COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3369if test $host = $build; then
3370 case " $configdirs " in
3371 *" gcc "*)
3372 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3373 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3374 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3375 ;;
3376 esac
3377fi
3378
3379AC_SUBST(COMPILER_AS_FOR_TARGET)
3380AC_SUBST(COMPILER_LD_FOR_TARGET)
3381AC_SUBST(COMPILER_NM_FOR_TARGET)
3382
ee03dc5e
AO		 3383AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3384AC_ARG_ENABLE(maintainer-mode,
33e39b66
AS		 3385[AS_HELP_STRING([--enable-maintainer-mode],
3386 [enable make rules and dependencies not useful
3387 (and sometimes confusing) to the casual installer])],
ee03dc5e
AO		 3388 USE_MAINTAINER_MODE=$enableval,
3389 USE_MAINTAINER_MODE=no)
3390AC_MSG_RESULT($USE_MAINTAINER_MODE)
3391AC_SUBST(MAINTAINER_MODE_TRUE)
3392AC_SUBST(MAINTAINER_MODE_FALSE)
3393if test "$USE_MAINTAINER_MODE" = yes; then
3394 MAINTAINER_MODE_TRUE=
3395 MAINTAINER_MODE_FALSE='#'
3396else
3397 MAINTAINER_MODE_TRUE='#'
3398 MAINTAINER_MODE_FALSE=
3399fi
3400MAINT=$MAINTAINER_MODE_TRUE
3401AC_SUBST(MAINT)dnl
3402
2805b53a
NN		 3403# ---------------------
3404# GCC bootstrap support
3405# ---------------------
3406
3407# Stage specific cflags for build.
3408stage1_cflags="-g"
3409case $build in
3410 vax-*-*)
3411 case ${GCC} in
3412 yes) stage1_cflags="-g -Wa,-J" ;;
3413 *) stage1_cflags="-g -J" ;;
3414 esac ;;
2805b53a 3415esac
0b50988a 3416
2805b53a
NN		 3417AC_SUBST(stage1_cflags)
3418
8efea775
PB		 3419# Enable --enable-checking in stage1 of the compiler.
3420AC_ARG_ENABLE(stage1-checking,
33e39b66
AS		 3421[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3422 [choose additional checking for stage1 of the compiler])],
8efea775 3423[stage1_checking=--enable-checking=${enable_stage1_checking}],
e643dc23 3424[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
7e98624c 3425 stage1_checking=--enable-checking=yes,types
8efea775 3426else
e643dc23 3427 stage1_checking=--enable-checking=$enable_checking,types
8efea775
PB		 3428fi])
3429AC_SUBST(stage1_checking)
3430
2805b53a 3431# Enable -Werror in bootstrap stage2 and later.
2805b53a 3432AC_ARG_ENABLE(werror,
33e39b66
AS		 3433[AS_HELP_STRING([--enable-werror],
3434 [enable -Werror in bootstrap stage2 and later])], [],
416cfb5e 3435[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
88fceb68
PB		 3436 enable_werror=yes
3437else
3438 enable_werror=no
3439fi])
09a9c095
NN		 3440case ${enable_werror} in
3441 yes) stage2_werror_flag="--enable-werror-always" ;;
3442 *) stage2_werror_flag="" ;;
2805b53a 3443esac
09a9c095 3444AC_SUBST(stage2_werror_flag)
2805b53a 3445
459260ec
DM		 3446# Enable --enable-host-shared.
3447AC_ARG_ENABLE(host-shared,
3448[AS_HELP_STRING([--enable-host-shared],
3449 [build host code as shared libraries])],
3450[host_shared=$enableval], [host_shared=no])
3451AC_SUBST(host_shared)
3452
f2689b09
SE		 3453# Specify what files to not compare during bootstrap.
3454
3455compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3456case "$target" in
3457 hppa*64*-*-hpux*) ;;
3458 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
d7a29167 3459 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
f2689b09
SE		 3460esac
3461AC_SUBST(compare_exclusions)
3462
3e54529c
RW		 3463AC_CONFIG_FILES([Makefile],
3464 [sed "$extrasub_build" Makefile |
3465 sed "$extrasub_host" |
3466 sed "$extrasub_target" > mf$$
3467 mv -f mf$$ Makefile],
3468 [extrasub_build="$extrasub_build"
3469 extrasub_host="$extrasub_host"
3470 extrasub_target="$extrasub_target"])
3471AC_OUTPUT
Mirror of https://gcc.gnu.org/git/gcc.git