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[ARM] Add initial support for Cortex-A73
[thirdparty/gcc.git] / configure.ac
CommitLineData
beeaf216 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
ec8fd1c0 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
9e530bcd 3# 2014, 2015, 2016 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".
bf1de3f0 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
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 \
5373cd33 165 target-libmpx \
77008252 166 target-libssp \
1ec601bf 167 target-libquadmath \
6de9cd9a 168 target-libgfortran \
7cd0cf9c 169 target-boehm-gc \
77d187bc 170 ${libgcj} \
d9cdb878 171 target-libobjc \
632e2a07
ILT		 172 target-libada \
173 target-libgo"
6599da04 174
4dbda6f0
NN		 175# these tools are built using the target libraries, and are intended to
176# run only in the target environment
6599da04 177#
4dbda6f0 178# note: any program that *uses* libraries that are in the "target_libraries"
1bcce263 179# list belongs in this list.
6599da04 180#
85bfb75e 181target_tools="target-rda"
6599da04
JM		 182
183################################################################################
184
6599da04
JM		 185## All tools belong in one of the four categories, and are assigned above
186## We assign ${configdirs} this way to remove all embedded newlines. This
187## is important because configure will choke if they ever get through.
188## ${configdirs} is directories we build using the host tools.
189## ${target_configdirs} is directories we build using the target tools.
6599da04 190configdirs=`echo ${host_libs} ${host_tools}`
4dbda6f0 191target_configdirs=`echo ${target_libraries} ${target_tools}`
71b5d516 192build_configdirs=`echo ${build_libs} ${build_tools}`
8b87bb96 193
ac9e6043 194m4_divert_text([PARSE_ARGS],
87841584
AM		 195[case $srcdir in
196 *" "*)
197m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
198 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
199m4_popdef([AS_MESSAGE_LOG_FD])dnl
200 ;;
201esac
202ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
ac9e6043
RW		 203])
204
6599da04
JM		 205################################################################################
206
6599da04
JM		 207srcname="gnu development package"
208
209# This gets set non-empty for some net releases of packages.
210appdirs=""
211
e1848dde
NN		 212# Define is_cross_compiler to save on calls to 'test'.
213is_cross_compiler=
214if test x"${host}" = x"${target}" ; then
215 is_cross_compiler=no
216else
217 is_cross_compiler=yes
218fi
219
b4acb5ef 220# Find the build and target subdir names.
8b87bb96 221GCC_TOPLEV_SUBDIRS
0db770bd
RW		 222# Be sure to cover against remnants of an in-tree build.
223if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
225Use a pristine source tree when building in a separate tree])
226fi
f653f0ab 227
55380b08
NN		 228# Skipdirs are removed silently.
229skipdirs=
230# Noconfigdirs are removed loudly.
231noconfigdirs=""
6599da04 232
55380b08
NN		 233use_gnu_ld=
234# Make sure we don't let GNU ld be added if we didn't want it.
235if test x$with_gnu_ld = xno ; then
236 use_gnu_ld=no
5afab7ad 237 noconfigdirs="$noconfigdirs ld gold"
6599da04
JM		 238fi
239
55380b08
NN		 240use_gnu_as=
241# Make sure we don't let GNU as be added if we didn't want it.
242if test x$with_gnu_as = xno ; then
243 use_gnu_as=no
244 noconfigdirs="$noconfigdirs gas"
6599da04
JM		 245fi
246
d7f09764 247use_included_zlib=
a05c2c75
L		 248AC_ARG_WITH(system-zlib,
249[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
d7f09764
DN		 250# Make sure we don't let ZLIB be added if we didn't want it.
251if test x$with_system_zlib = xyes ; then
252 use_included_zlib=no
253 noconfigdirs="$noconfigdirs zlib"
254fi
255
55380b08
NN		 256# some tools are so dependent upon X11 that if we're not building with X,
257# it's not even worth trying to configure, much less build, that tool.
6599da04 258
55380b08
NN		 259case ${with_x} in
260 yes | "") ;; # the default value for this tree is that X11 is available
423ce3eb 261 no)
b4f96efe 262 skipdirs="${skipdirs} tk itcl libgui"
423ce3eb
NN		 263 # We won't be able to build gdbtk without X.
264 enable_gdbtk=no
265 ;;
55380b08
NN		 266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267esac
6599da04 268
1bcce263 269# Some are only suitable for cross toolchains.
95ddd785
NN		 270# Remove these if host=target.
271cross_only="target-libgloss target-newlib target-opcodes"
6599da04 272
55380b08
NN		 273case $is_cross_compiler in
274 no) skipdirs="${skipdirs} ${cross_only}" ;;
55380b08 275esac
6599da04 276
0c639b89
DD		 277# If both --with-headers and --with-libs are specified, default to
278# --without-newlib.
9082a750
MR		 279if test x"${with_headers}" != x && test x"${with_headers}" != xno \
280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
0c639b89
DD		 281 if test x"${with_newlib}" = x ; then
282 with_newlib=no
283 fi
284fi
285
286# Recognize --with-newlib/--without-newlib.
287case ${with_newlib} in
288 no) skipdirs="${skipdirs} target-newlib" ;;
289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
290esac
291
85c64bbe
BS		 292AC_ARG_ENABLE(as-accelerator-for,
293[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
294 [build as offload target compiler.
4b4f2e35 295 Specify offload host triple by ARG])])
85c64bbe
BS		 296
297AC_ARG_ENABLE(offload-targets,
298[AS_HELP_STRING([--enable-offload-targets=LIST],
299 [enable offloading to devices from comma-separated LIST of
300 TARGET[=DIR]. Use optional path to find offload target compiler
301 during the build])],
302[
303 if test x"$enable_offload_targets" = x; then
304 AC_MSG_ERROR([no offload targets specified])
305 fi
306], [enable_offload_targets=])
307
21539e2e
MK		 308# Handle --enable-gold, --enable-ld.
309# --disable-gold [--enable-ld]
310# Build only ld. Default option.
9580395f
L		 311# --enable-gold [--enable-ld]
312# Build both gold and ld. Install gold as "ld.gold", install ld
313# as "ld.bfd" and "ld".
314# --enable-gold=default [--enable-ld]
21539e2e
MK		 315# Build both gold and ld. Install gold as "ld.gold" and "ld",
316# install ld as "ld.bfd".
317# --enable-gold[=default] --disable-ld
318# Build only gold, which is then installed as both "ld.gold" and "ld".
319# --enable-gold --enable-ld=default
9580395f
L		 320# Build both gold (installed as "ld.gold") and ld (installed as "ld"
321# and ld.bfd).
21539e2e
MK		 322# In other words, ld is default
323# --enable-gold=default --enable-ld=default
324# Error.
325
326default_ld=
5afab7ad 327AC_ARG_ENABLE(gold,
33e39b66
AS		 328[AS_HELP_STRING([[--enable-gold[=ARG]]],
329 [build gold @<:@ARG={default,yes,no}@:>@])],
5afab7ad
ILT		 330ENABLE_GOLD=$enableval,
331ENABLE_GOLD=no)
21539e2e
MK		 332case "${ENABLE_GOLD}" in
333 yes|default)
38e3d868
RM		 334 # Check for ELF target.
335 is_elf=no
336 case "${target}" in
337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
0e76460f 338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
8c6d158a 339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
ff4b7a7e 340 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
38e3d868
RM		 341 case "${target}" in
342 *-*-linux*aout* | *-*-linux*oldld*)
343 ;;
344 *)
345 is_elf=yes
346 ;;
347 esac
348 esac
349
350 if test "$is_elf" = "yes"; then
351 # Check for target supported by gold.
5afab7ad 352 case "${target}" in
7705dfd1 353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
1b858e76 354 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
21539e2e
MK		 355 configdirs="$configdirs gold"
356 if test x${ENABLE_GOLD} = xdefault; then
357 default_ld=gold
358 fi
38e3d868 359 ENABLE_GOLD=yes
5afab7ad
ILT		 360 ;;
361 esac
38e3d868
RM		 362 fi
363 ;;
364 no)
365 ;;
366 *)
367 AC_MSG_ERROR([invalid --enable-gold argument])
368 ;;
21539e2e
MK		 369esac
370
371AC_ARG_ENABLE(ld,
33e39b66
AS		 372[AS_HELP_STRING([[--enable-ld[=ARG]]],
373 [build ld @<:@ARG={default,yes,no}@:>@])],
21539e2e
MK		 374ENABLE_LD=$enableval,
375ENABLE_LD=yes)
376
377case "${ENABLE_LD}" in
378 default)
9580395f 379 if test x${default_ld} != x; then
21539e2e
MK		 380 AC_MSG_ERROR([either gold or ld can be the default ld])
381 fi
382 ;;
383 yes)
384 ;;
385 no)
386 if test x${ENABLE_GOLD} != xyes; then
387 AC_MSG_WARN([neither ld nor gold are enabled])
388 fi
389 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
390 ;;
391 *)
392 AC_MSG_ERROR([invalid --enable-ld argument])
393 ;;
394esac
5afab7ad 395
78edb32f
L		 396# PR gas/19109
397# Decide the default method for compressing debug sections.
398# Provide a configure time option to override our default.
399AC_ARG_ENABLE(compressed_debug_sections,
324402a0 400[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
78edb32f
L		 401 [Enable compressed debug sections for gas, gold or ld by
402 default])],
403[
404 if test x"$enable_compressed_debug_sections" = xyes; then
405 AC_MSG_ERROR([no program with compressed debug sections specified])
406 fi
407], [enable_compressed_debug_sections=])
408
6599da04
JM		 409# Configure extra directories which are host specific
410
411case "${host}" in
55380b08 412 *-cygwin*)
4977bab6 413 configdirs="$configdirs libtermcap" ;;
6599da04
JM		 414esac
415
4fab7234
HPN		 416# A target can indicate whether a language isn't supported for some reason.
417# Only spaces may be used in this macro; not newlines or tabs.
418unsupported_languages=
419
6599da04
JM		 420# Remove more programs from consideration, based on the host or
421# target this usually means that a port of the program doesn't
422# exist yet.
423
6599da04 424case "${host}" in
111eeb6e 425 i[[3456789]]86-*-msdosdjgpp*)
c9bdb152 426 noconfigdirs="$noconfigdirs tcl tk itcl"
5d4a5ee6 427 ;;
6599da04
JM		 428esac
429
6de9cd9a 430
87e6d9dc
TB		 431AC_ARG_ENABLE(libquadmath,
432AS_HELP_STRING([--disable-libquadmath],
433 [do not build libquadmath directory]),
434ENABLE_LIBQUADMATH=$enableval,
435ENABLE_LIBQUADMATH=yes)
436if test "${ENABLE_LIBQUADMATH}" = "no" ; then
437 noconfigdirs="$noconfigdirs target-libquadmath"
438fi
439
440
441AC_ARG_ENABLE(libquadmath-support,
442AS_HELP_STRING([--disable-libquadmath-support],
443 [disable libquadmath support for Fortran]),
444ENABLE_LIBQUADMATH_SUPPORT=$enableval,
445ENABLE_LIBQUADMATH_SUPPORT=yes)
446enable_libquadmath_support=
447if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
448 enable_libquadmath_support=no
449fi
450
451
d9cdb878 452AC_ARG_ENABLE(libada,
33e39b66 453[AS_HELP_STRING([--enable-libada], [build libada directory])],
d9cdb878
AC		 454ENABLE_LIBADA=$enableval,
455ENABLE_LIBADA=yes)
456if test "${ENABLE_LIBADA}" != "yes" ; then
5395b47b 457 noconfigdirs="$noconfigdirs gnattools"
d9cdb878
AC		 458fi
459
ef0087a7 460AC_ARG_ENABLE(libssp,
33e39b66 461[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ef0087a7
KH		 462ENABLE_LIBSSP=$enableval,
463ENABLE_LIBSSP=yes)
ef0087a7 464
2588b26e
RM		 465AC_ARG_ENABLE(libstdcxx,
466AS_HELP_STRING([--disable-libstdcxx],
467 [do not build libstdc++-v3 directory]),
468ENABLE_LIBSTDCXX=$enableval,
469ENABLE_LIBSTDCXX=default)
470[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1007a55c 471 noconfigdirs="$noconfigdirs target-libstdc++-v3"
2588b26e
RM		 472fi]
473
5f520819
KY		 474# If this is accelerator compiler and its target is intelmic we enable
475# target liboffloadmic by default. If this is compiler with offloading
476# for intelmic we enable host liboffloadmic by default. Otherwise
477# liboffloadmic is disabled by default.
478AC_ARG_ENABLE([liboffloadmic],
479AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
480 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
481[case "$enableval" in
482 no | host | target)
483 enable_liboffloadmic=$enableval ;;
484 *)
485 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
486esac],
4b4f2e35 487[if test x"$enable_as_accelerator_for" != x; then
5f520819
KY		 488 case "${target}" in
489 *-intelmic-* | *-intelmicemul-*)
490 enable_liboffloadmic=target
491 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
492 ;;
493 *)
494 enable_liboffloadmic=no
495 ;;
496 esac
497else
498 case "${enable_offload_targets}" in
499 *-intelmic-* | *-intelmicemul-*)
500 enable_liboffloadmic=host
501 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
502 ;;
503 *)
504 enable_liboffloadmic=no
505 ;;
506 esac
507fi])
508AC_SUBST(extra_liboffloadmic_configure_flags)
509
8343765d
AO		 510# Save it here so that, even in case of --enable-libgcj, if the Java
511# front-end isn't enabled, we still get libgcj disabled.
512libgcj_saved=$libgcj
513case $enable_libgcj in
514yes)
515 # If we reset it here, it won't get added to noconfigdirs in the
516 # target-specific build rules, so it will be forcibly enabled
517 # (unless the Java language itself isn't enabled).
518 libgcj=
519 ;;
520no)
521 # Make sure we get it printed in the list of not supported target libs.
4da3b0f8
ILT		 522 # Don't disable libffi, though, other languages use it.
523 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
d479b128
ILT		 524 # Clear libgcj_saved so that even if java is enabled libffi won't be
525 # built.
526 libgcj_saved=
8343765d
AO		 527 ;;
528esac
529
a4a2c37d
MK		 530AC_ARG_ENABLE(static-libjava,
531[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
532 [build static libjava @<:@default=no@:>@])],
533ENABLE_STATIC_LIBJAVA=$enableval,
534ENABLE_STATIC_LIBJAVA=no)
535enable_static_libjava=
536if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
537 enable_static_libjava=yes
538fi
539
540if test x$enable_static_libjava != xyes ; then
541 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
542fi
543AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
6de9cd9a 544
44a7d18d 545# Enable libgomp by default on hosted POSIX systems, and a few others.
27079765 546if test x$enable_libgomp = x ; then
953ff289 547 case "${target}" in
416ac4d4 548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
953ff289 549 ;;
8c6d158a 550 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
953ff289 551 ;;
b24513a1 552 *-*-solaris2* | *-*-hpux11*)
953ff289 553 ;;
cac90078 554 *-*-darwin* | *-*-aix*)
953ff289 555 ;;
44a7d18d
TS		 556 nvptx*-*-*)
557 ;;
953ff289
DN		 558 *)
559 noconfigdirs="$noconfigdirs target-libgomp"
560 ;;
561 esac
27079765 562fi
953ff289 563
48310492
RH		 564# Disable libatomic on unsupported systems.
565if test -d ${srcdir}/libatomic; then
566 if test x$enable_libatomic = x; then
567 AC_MSG_CHECKING([for libatomic support])
568 if (srcdir=${srcdir}/libatomic; \
569 . ${srcdir}/configure.tgt; \
570 test -n "$UNSUPPORTED")
571 then
572 AC_MSG_RESULT([no])
573 noconfigdirs="$noconfigdirs target-libatomic"
574 else
575 AC_MSG_RESULT([yes])
576 fi
577 fi
578fi
579
3038054c
BI		 580# Disable libcilkrts on unsupported systems.
581if test -d ${srcdir}/libcilkrts; then
582 if test x$enable_libcilkrts = x; then
583 AC_MSG_CHECKING([for libcilkrts support])
584 if (srcdir=${srcdir}/libcilkrts; \
585 . ${srcdir}/configure.tgt; \
586 test -n "$UNSUPPORTED")
587 then
588 AC_MSG_RESULT([no])
589 noconfigdirs="$noconfigdirs target-libcilkrts"
590 else
591 AC_MSG_RESULT([yes])
592 fi
593 fi
594fi
595
5f520819
KY		 596# Disable liboffloadmic on unsupported systems.
597if test -d ${srcdir}/liboffloadmic; then
598 if test x$enable_liboffloadmic != xno; then
599 AC_MSG_CHECKING([for liboffloadmic support])
600 if (srcdir=${srcdir}/liboffloadmic; \
601 . ${srcdir}/configure.tgt; \
602 test -n "$UNSUPPORTED")
603 then
604 AC_MSG_RESULT([no])
605 noconfigdirs="$noconfigdirs target-liboffloadmic"
606 else
607 AC_MSG_RESULT([yes])
608 fi
609 fi
610fi
611
e948157d
RH		 612# Disable libitm on unsupported systems.
613if test -d ${srcdir}/libitm; then
614 if test x$enable_libitm = x; then
615 AC_MSG_CHECKING([for libitm support])
616 if (srcdir=${srcdir}/libitm; \
617 . ${srcdir}/configure.tgt; \
618 test -n "$UNSUPPORTED")
619 then
620 AC_MSG_RESULT([no])
621 noconfigdirs="$noconfigdirs target-libitm"
622 else
623 AC_MSG_RESULT([yes])
624 fi
625 fi
0a35513e
AH		 626fi
627
93bf5390
RH		 628# Disable libsanitizer on unsupported systems.
629if test -d ${srcdir}/libsanitizer; then
630 if test x$enable_libsanitizer = x; then
631 AC_MSG_CHECKING([for libsanitizer support])
632 if (srcdir=${srcdir}/libsanitizer; \
633 . ${srcdir}/configure.tgt; \
634 test -n "$UNSUPPORTED")
635 then
636 AC_MSG_RESULT([no])
637 noconfigdirs="$noconfigdirs target-libsanitizer"
638 else
639 AC_MSG_RESULT([yes])
640 fi
641 fi
642fi
643
2077db1b
CT		 644# Disable libvtv on unsupported systems.
645if test -d ${srcdir}/libvtv; then
646 if test x$enable_libvtv = x; then
647 AC_MSG_CHECKING([for libvtv support])
648 if (srcdir=${srcdir}/libvtv; \
649 . ${srcdir}/configure.tgt; \
1e74b850 650 test "$VTV_SUPPORTED" != "yes")
2077db1b
CT		 651 then
652 AC_MSG_RESULT([no])
653 noconfigdirs="$noconfigdirs target-libvtv"
654 else
655 AC_MSG_RESULT([yes])
656 fi
657 fi
658fi
659
5373cd33
IE		 660
661# Enable libmpx on supported systems by request.
662if test -d ${srcdir}/libmpx; then
54985c70 663 if test x$enable_libmpx = x; then
5373cd33
IE		 664 AC_MSG_CHECKING([for libmpx support])
665 if (srcdir=${srcdir}/libmpx; \
666 . ${srcdir}/configure.tgt; \
667 test "$LIBMPX_SUPPORTED" != "yes")
668 then
669 AC_MSG_RESULT([no])
670 noconfigdirs="$noconfigdirs target-libmpx"
671 else
672 AC_MSG_RESULT([yes])
673 fi
5373cd33
IE		 674 fi
675fi
676
677
678
d7a29167
DE		 679# Disable libquadmath for some systems.
680case "${target}" in
e7fae550
DE		 681 avr-*-*)
682 noconfigdirs="$noconfigdirs target-libquadmath"
683 ;;
d7a29167
DE		 684 # libquadmath is unused on AIX and libquadmath build process use of
685 # LD_LIBRARY_PATH can break AIX bootstrap.
686 powerpc-*-aix* | rs6000-*-aix*)
687 noconfigdirs="$noconfigdirs target-libquadmath"
688 ;;
689esac
690
1e9e0e23
JM		 691# Disable libssp for some systems.
692case "${target}" in
693 avr-*-*)
b318fb4b 694 # No hosted I/O support.
1e9e0e23
JM		 695 noconfigdirs="$noconfigdirs target-libssp"
696 ;;
697 powerpc-*-aix* | rs6000-*-aix*)
698 noconfigdirs="$noconfigdirs target-libssp"
699 ;;
85b8555e
DD		 700 rl78-*-*)
701 # libssp uses a misaligned load to trigger a fault, but the RL78
702 # doesn't fault for those - instead, it gives a build-time error
703 # for explicit misaligned loads.
704 noconfigdirs="$noconfigdirs target-libssp"
705 ;;
0969ec7d
EB		 706 visium-*-*)
707 # No hosted I/O support.
708 noconfigdirs="$noconfigdirs target-libssp"
709 ;;
1e9e0e23
JM		 710esac
711
1e9e0e23 712# Disable libstdc++-v3 for some systems.
2588b26e
RM		 713# Allow user to override this if they pass --enable-libstdc++-v3
714if test "${ENABLE_LIBSTDCXX}" = "default" ; then
715 case "${target}" in
716 *-*-vxworks*)
717 # VxWorks uses the Dinkumware C++ library.
718 noconfigdirs="$noconfigdirs target-libstdc++-v3"
719 ;;
720 arm*-wince-pe*)
721 # the C++ libraries don't build on top of CE's C libraries
722 noconfigdirs="$noconfigdirs target-libstdc++-v3"
723 ;;
724 avr-*-*)
725 noconfigdirs="$noconfigdirs target-libstdc++-v3"
726 ;;
fef939d6
JB		 727 ft32-*-*)
728 noconfigdirs="$noconfigdirs target-libstdc++-v3"
729 ;;
2588b26e
RM		 730 esac
731fi
1e9e0e23
JM		 732
733# Disable Fortran for some systems.
734case "${target}" in
735 mmix-*-*)
736 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
737 unsupported_languages="$unsupported_languages fortran"
738 ;;
739esac
740
80f81134 741# Disable Java if libffi is not supported.
2909494b 742case "${target}" in
eb7062cf
AS		 743 aarch64-*-*)
744 ;;
80f81134
JM		 745 alpha*-*-*)
746 ;;
747 arm*-*-*)
748 ;;
749 cris-*-*)
750 ;;
751 frv-*-*)
752 ;;
753 hppa*-*-linux*)
754 ;;
755 hppa*-*-hpux*)
756 ;;
757 i?86-*-*)
758 ;;
759 ia64*-*-*)
760 ;;
761 m32r*-*-*)
762 ;;
763 m68k-*-*)
764 ;;
b24513a1 765 mips*-*-rtems*)
80f81134
JM		 766 ;;
767 mips*-*-linux*)
768 ;;
769 powerpc*-*-linux*)
770 ;;
771 powerpc-*-darwin*)
772 ;;
773 powerpc-*-aix* | rs6000-*-aix*)
774 ;;
775 powerpc-*-freebsd*)
776 ;;
777 powerpc64-*-freebsd*)
778 ;;
779 powerpc*-*-rtems*)
2909494b 780 ;;
80f81134
JM		 781 s390-*-* | s390x-*-*)
782 ;;
783 sh-*-* | sh[[34]]*-*-*)
784 ;;
80f81134
JM		 785 sparc*-*-*)
786 ;;
787 x86_64-*-*)
788 ;;
789 *-*-*)
790 unsupported_languages="$unsupported_languages java"
791 ;;
792esac
793
794# Disable Java, libgcj or related libraries for some systems.
795case "${target}" in
2909494b
JM		 796 powerpc-*-darwin*)
797 ;;
798 i[[3456789]]86-*-darwin*)
799 ;;
800 x86_64-*-darwin[[912]]*)
801 ;;
802 *-*-darwin*)
803 noconfigdirs="$noconfigdirs ${libgcj}"
804 ;;
2909494b
JM		 805 *-*-netware*)
806 noconfigdirs="$noconfigdirs ${libgcj}"
807 ;;
808 *-*-rtems*)
809 noconfigdirs="$noconfigdirs ${libgcj}"
810 ;;
811 *-*-tpf*)
812 noconfigdirs="$noconfigdirs ${libgcj}"
813 ;;
814 *-*-uclinux*)
815 noconfigdirs="$noconfigdirs ${libgcj}"
816 ;;
817 *-*-vxworks*)
818 noconfigdirs="$noconfigdirs ${libgcj}"
819 ;;
2909494b
JM		 820 alpha*-*-*vms*)
821 noconfigdirs="$noconfigdirs ${libgcj}"
822 ;;
82a19768
AT		 823 arm*-*-freebsd*)
824 noconfigdirs="$noconfigdirs ${libgcj}"
825 ;;
80f81134 826 arm-wince-pe)
2909494b
JM		 827 noconfigdirs="$noconfigdirs ${libgcj}"
828 ;;
2909494b
JM		 829 arm*-*-symbianelf*)
830 noconfigdirs="$noconfigdirs ${libgcj}"
831 ;;
2909494b 832 bfin-*-*)
2909494b
JM		 833 noconfigdirs="$noconfigdirs target-boehm-gc"
834 ;;
2909494b
JM		 835 cris-*-* | crisv32-*-*)
836 unsupported_languages="$unsupported_languages java"
837 case "${target}" in
838 *-*-linux*)
839 ;;
840 *) # See PR46792 regarding target-libffi.
841 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
842 esac
843 ;;
2909494b
JM		 844 hppa*64*-*-linux*)
845 # In this case, it's because the hppa64-linux target is for
846 # the kernel only at this point and has no libc, and thus no
847 # headers, crt*.o, etc., all of which are needed by these.
fddf9ee7 848 unsupported_languages="$unsupported_languages java"
2909494b 849 ;;
fddf9ee7 850 hppa*64*-*-hpux*)
2909494b
JM		 851 noconfigdirs="$noconfigdirs ${libgcj}"
852 ;;
853 hppa*-hp-hpux11*)
854 ;;
fddf9ee7 855 hppa*-*-hpux*)
2909494b
JM		 856 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
857 # build on HP-UX 10.20.
858 noconfigdirs="$noconfigdirs ${libgcj}"
859 ;;
2909494b
JM		 860 ia64*-*-*vms*)
861 noconfigdirs="$noconfigdirs ${libgcj}"
862 ;;
2909494b
JM		 863 i[[3456789]]86-w64-mingw*)
864 noconfigdirs="$noconfigdirs ${libgcj}"
865 ;;
866 i[[3456789]]86-*-mingw*)
867 noconfigdirs="$noconfigdirs ${libgcj}"
868 ;;
869 x86_64-*-mingw*)
870 noconfigdirs="$noconfigdirs ${libgcj}"
871 ;;
2909494b
JM		 872 mmix-*-*)
873 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
2909494b
JM		 874 ;;
875 powerpc-*-aix*)
876 # copied from rs6000-*-* entry
877 noconfigdirs="$noconfigdirs ${libgcj}"
878 ;;
2909494b
JM		 879 rs6000-*-aix*)
880 noconfigdirs="$noconfigdirs ${libgcj}"
881 ;;
a05c2c75
L		 882 ft32-*-*)
883 noconfigdirs="$noconfigdirs ${libgcj}"
884 ;;
2909494b
JM		 885 *-*-lynxos*)
886 noconfigdirs="$noconfigdirs ${libgcj}"
1335a8ca 887 ;;
2909494b
JM		 888esac
889
1335a8ca
JBG		 890# Disable the go frontend on systems where it is known to not work. Please keep
891# this in sync with contrib/config-list.mk.
74cc5471
ILT		 892case "${target}" in
893*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
894 unsupported_languages="$unsupported_languages go"
895 ;;
896esac
897
cdbc9e92
ILT		 898# Disable libgo for some systems where it is known to not work.
899# For testing, you can easily override this with --enable-libgo.
900if test x$enable_libgo = x; then
901 case "${target}" in
902 *-*-darwin*)
903 # PR 46986
904 noconfigdirs="$noconfigdirs target-libgo"
905 ;;
906 *-*-cygwin* | *-*-mingw*)
907 noconfigdirs="$noconfigdirs target-libgo"
908 ;;
909 *-*-aix*)
910 noconfigdirs="$noconfigdirs target-libgo"
911 ;;
912 esac
913fi
914
c03353e2
RIL		 915# Default libgloss CPU subdirectory.
916libgloss_dir="$target_cpu"
6de9cd9a 917
fbcf0dca
JM		 918case "${target}" in
919 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
920 libgloss_dir=wince
921 ;;
4dddfc74
YZ		 922 aarch64*-*-* )
923 libgloss_dir=aarch64
924 ;;
fbcf0dca
JM		 925 arm*-*-*)
926 libgloss_dir=arm
927 ;;
928 cris-*-* | crisv32-*-*)
929 libgloss_dir=cris
930 ;;
931 hppa*-*-*)
932 libgloss_dir=pa
933 ;;
934 i[[3456789]]86-*-*)
935 libgloss_dir=i386
936 ;;
937 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
938 libgloss_dir=m68hc11
939 ;;
940 m68*-*-* | fido-*-*)
941 libgloss_dir=m68k
942 ;;
943 mips*-*-*)
944 libgloss_dir=mips
945 ;;
946 powerpc*-*-*)
947 libgloss_dir=rs6000
948 ;;
949 sparc*-*-*)
950 libgloss_dir=sparc
951 ;;
952esac
953
6a789d5e 954# Disable newlib and libgloss for various target OSes.
6599da04 955case "${target}" in
6a789d5e
JM		 956 alpha*-dec-osf*)
957 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
958 ;;
959 i[[3456789]]86-*-linux*)
960 # This section makes it possible to build newlib natively on linux.
961 # If we are using a cross compiler then don't configure newlib.
962 if test x${is_cross_compiler} != xno ; then
963 noconfigdirs="$noconfigdirs target-newlib"
964 fi
965 noconfigdirs="$noconfigdirs target-libgloss"
966 # If we are not using a cross compiler, do configure newlib.
967 # Note however, that newlib will only be configured in this situation
968 # if the --with-newlib option has been given, because otherwise
969 # 'target-newlib' will appear in skipdirs.
970 ;;
971 i[[3456789]]86-*-rdos*)
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
973 ;;
974 sh*-*-pe|mips*-*-pe|arm-wince-pe)
975 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
976 ;;
977 sparc-*-sunos4*)
978 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
979 ;;
980 *-*-aix*)
981 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
982 ;;
983 *-*-beos*)
984 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
985 ;;
3fa03ff9 986 *-*-chorusos)
0036370f 987 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
3fa03ff9 988 ;;
6a789d5e
JM		 989 *-*-dragonfly*)
990 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
991 ;;
992 *-*-freebsd*)
993 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
994 ;;
995 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
996 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
997 ;;
998 *-*-lynxos*)
999 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1000 ;;
1001 *-*-mingw*)
1002 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1003 ;;
1004 *-*-netbsd*)
1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1006 ;;
1007 *-*-netware*)
1008 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1009 ;;
1010 *-*-tpf*)
1011 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1012 ;;
1013 *-*-uclinux*)
1014 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1015 ;;
1016 *-*-vxworks*)
1017 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1018 ;;
1019esac
1020
1021case "${target}" in
1022 *-*-chorusos)
1023 ;;
3be96231
TG		 1024 aarch64-*-darwin*)
1025 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1026 noconfigdirs="$noconfigdirs sim target-rda"
1027 ;;
1028 arm-*-darwin*)
1029 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1030 noconfigdirs="$noconfigdirs sim target-rda"
1031 ;;
75eeae1a 1032 powerpc-*-darwin*)
e1514c3f 1033 noconfigdirs="$noconfigdirs ld gas gdb gprof"
9c8f9ec2 1034 noconfigdirs="$noconfigdirs sim target-rda"
940cde4d 1035 ;;
354ebf88
RW		 1036 i[[3456789]]86-*-darwin*)
1037 noconfigdirs="$noconfigdirs ld gprof"
1038 noconfigdirs="$noconfigdirs sim target-rda"
1039 ;;
1040 x86_64-*-darwin[[912]]*)
0db3a858
TG		 1041 noconfigdirs="$noconfigdirs ld gas gprof"
1042 noconfigdirs="$noconfigdirs sim target-rda"
1043 ;;
42c1cd8a
AT		 1044 *-*-darwin*)
1045 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1046 noconfigdirs="$noconfigdirs sim target-rda"
42c1cd8a 1047 ;;
8c6d158a 1048 *-*-dragonfly*)
8c6d158a 1049 ;;
c3f84f61 1050 *-*-freebsd*)
6de9cd9a
DN		 1051 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1052 && test -f /usr/local/include/gmp.h; then
1053 with_gmp=/usr/local
1054 fi
6de9cd9a 1055 ;;
ef4e7569
US		 1056 *-*-kaos*)
1057 # Remove unsupported stuff on all kaOS configurations.
ef4e7569
US		 1058 noconfigdirs="$noconfigdirs target-libgloss"
1059 ;;
51584787 1060 *-*-netbsd*)
51584787 1061 ;;
61fec9ff 1062 *-*-netware*)
6599da04 1063 ;;
3fbc0b70 1064 *-*-rtems*)
2909494b 1065 noconfigdirs="$noconfigdirs target-libgloss"
74ae587e
JBG		 1066 # this is not caught below because this stanza matches earlier
1067 case $target in
1068 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1069 esac
3fbc0b70 1070 ;;
a8ba31f2
EC		 1071 # The tpf target doesn't support gdb yet.
1072 *-*-tpf*)
6a789d5e 1073 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
a8ba31f2 1074 ;;
5785c0ed 1075 *-*-uclinux*)
6a789d5e 1076 noconfigdirs="$noconfigdirs target-rda"
5785c0ed 1077 ;;
6599da04 1078 *-*-vxworks*)
6599da04 1079 ;;
b104e095 1080 alpha*-dec-osf*)
603606e7 1081 # ld works, but does not support shared libraries.
6599da04 1082 # gas doesn't generate exception information.
6a789d5e 1083 noconfigdirs="$noconfigdirs gas ld"
6599da04
JM		 1084 ;;
1085 alpha*-*-*vms*)
2909494b 1086 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
6599da04
JM		 1087 ;;
1088 alpha*-*-*)
1089 # newlib is not 64 bit ready
2909494b 1090 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1091 ;;
3a685f6f 1092 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
b4f96efe 1093 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
3a685f6f 1094 ;;
6599da04 1095 arm-*-pe*)
2909494b 1096 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1097 ;;
5d4a5ee6 1098 arm-*-riscix*)
0036370f 1099 noconfigdirs="$noconfigdirs ld target-libgloss"
5d4a5ee6 1100 ;;
b588ae30
GJL		 1101 avr-*-*)
1102 if test x${with_avrlibc} != xno; then
1103 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1104 fi
1105 ;;
a5a438f5 1106 c4x-*-* | tic4x-*-*)
0036370f 1107 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1108 ;;
0036370f
JM		 1109 tic54x-*-*)
1110 noconfigdirs="$noconfigdirs target-libgloss gdb"
ab50d72b 1111 ;;
6599da04 1112 d10v-*-*)
0036370f 1113 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef
JM		 1114 ;;
1115 d30v-*-*)
0036370f 1116 noconfigdirs="$noconfigdirs gdb"
6599da04 1117 ;;
09b5f8bf 1118 fr30-*-elf*)
2909494b 1119 noconfigdirs="$noconfigdirs gdb"
09b5f8bf 1120 ;;
a05c2c75
L		 1121 ft32-*-*)
1122 noconfigdirs="$noconfigdirs target-rda gprof"
1123 ;;
55f2d967 1124 moxie-*-*)
a05c2c75 1125 noconfigdirs="$noconfigdirs"
55f2d967 1126 ;;
ab50d72b 1127 h8300*-*-*)
2909494b 1128 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1129 ;;
6599da04 1130 h8500-*-*)
0036370f 1131 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1132 ;;
9d069a4f 1133 hppa1.1-*-osf* | hppa1.1-*-bsd* )
9d069a4f 1134 ;;
a05c2c75
L		 1135 hppa*64*-*-hpux*)
1136 noconfigdirs="$noconfigdirs gdb"
1137 ;;
1138 hppa*-*-hpux11*)
1139 noconfigdirs="$noconfigdirs gdb ld"
1140 ;;
4569f85e 1141 hppa*64*-*-linux*)
cdbff0ab 1142 ;;
56f8587a 1143 hppa*-*-linux*)
3e732ba0 1144 ;;
6599da04 1145 hppa*-*-*elf* | \
bae29210 1146 hppa*-*-lites* | \
66350331 1147 hppa*-*-openbsd* | \
bae29210 1148 hppa*64*-*-*)
6599da04 1149 ;;
c03353e2 1150 hppa*-*-pro*)
c03353e2 1151 ;;
6599da04 1152 hppa*-*-*)
2909494b 1153 noconfigdirs="$noconfigdirs ld"
d207ebef 1154 ;;
fb87ad5d 1155 i960-*-*)
0036370f 1156 noconfigdirs="$noconfigdirs gdb"
fb87ad5d 1157 ;;
d207ebef
JM		 1158 ia64*-*-elf*)
1159 # No gdb support yet.
1bcce263 1160 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
d207ebef 1161 ;;
ab50d72b 1162 ia64*-**-hpux*)
5a2931d1 1163 # No ld support yet.
a05c2c75 1164 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
ab50d72b 1165 ;;
52535a64 1166 ia64*-*-*vms*)
091fe9ca
TG		 1167 # No ld support yet.
1168 noconfigdirs="$noconfigdirs libgui itcl ld"
52535a64 1169 ;;
ef4c4300 1170 i[[3456789]]86-w64-mingw*)
ef4c4300
KT		 1171 ;;
1172 i[[3456789]]86-*-mingw*)
b91f0a41 1173 target_configdirs="$target_configdirs target-winsup"
5d571eaa 1174 ;;
d207ebef
JM		 1175 *-*-cygwin*)
1176 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1bcce263 1177 noconfigdirs="$noconfigdirs target-libgloss"
801e2270 1178 # always build newlib if winsup directory is present.
b91f0a41 1179 if test -d "$srcdir/winsup/cygwin"; then
801e2270 1180 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
c8e6cd41 1181 elif test -d "$srcdir/newlib"; then
b91f0a41 1182 echo "Warning: winsup/cygwin is missing so newlib can't be built."
801e2270 1183 fi
5d571eaa 1184 ;;
f2a0e225 1185 i[[3456789]]86-*-pe)
ebb9f8b0 1186 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1187 ;;
f2a0e225 1188 i[[3456789]]86-*-sco3.2v5*)
6599da04
JM		 1189 # The linker does not yet know about weak symbols in COFF,
1190 # and is not configured to handle mixed ELF and COFF.
0036370f 1191 noconfigdirs="$noconfigdirs ld target-libgloss"
6599da04 1192 ;;
f2a0e225 1193 i[[3456789]]86-*-sco*)
0036370f 1194 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1195 ;;
fbdd5d87 1196 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
7c01b2b5 1197 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1198 ;;
f2a0e225 1199 i[[3456789]]86-*-sysv4*)
0036370f 1200 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1201 ;;
f2a0e225 1202 i[[3456789]]86-*-beos*)
6a789d5e 1203 noconfigdirs="$noconfigdirs gdb"
3aa83176 1204 ;;
d1f8db0c 1205 i[[3456789]]86-*-rdos*)
6a789d5e 1206 noconfigdirs="$noconfigdirs gdb"
c03353e2 1207 ;;
d344dce9 1208 mmix-*-*)
2909494b 1209 noconfigdirs="$noconfigdirs gdb"
d344dce9 1210 ;;
ab34901f 1211 mt-*-*)
79dd769c
AH		 1212 noconfigdirs="$noconfigdirs sim"
1213 ;;
6599da04
JM		 1214 powerpc-*-aix*)
1215 # copied from rs6000-*-* entry
6a789d5e 1216 noconfigdirs="$noconfigdirs gprof"
6599da04 1217 ;;
4569f85e 1218 powerpc*-*-winnt* | powerpc*-*-pe*)
6599da04 1219 target_configdirs="$target_configdirs target-winsup"
0036370f 1220 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
6599da04
JM		 1221 # always build newlib.
1222 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1223 ;;
1224 # This is temporary until we can link against shared libraries
1225 powerpcle-*-solaris*)
0036370f 1226 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
6599da04 1227 ;;
0da3b5a7 1228 powerpc-*-beos*)
6a789d5e 1229 noconfigdirs="$noconfigdirs gdb"
d207ebef 1230 ;;
6599da04 1231 rs6000-*-lynxos*)
6a789d5e 1232 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1233 ;;
1234 rs6000-*-aix*)
6a789d5e 1235 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1236 ;;
1237 rs6000-*-*)
2909494b 1238 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1239 ;;
1240 m68k-apollo-*)
0036370f 1241 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
6599da04 1242 ;;
ca9fe997 1243 microblaze*)
2909494b 1244 noconfigdirs="$noconfigdirs gprof"
ca9fe997 1245 ;;
74ae587e 1246 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
d9dced13
RS		 1247 if test x$with_newlib = xyes; then
1248 noconfigdirs="$noconfigdirs gprof"
1249 fi
d9dced13 1250 ;;
6599da04 1251 mips*-*-irix5*)
0036370f 1252 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04
JM		 1253 ;;
1254 mips*-*-irix6*)
2909494b 1255 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1256 ;;
6599da04 1257 mips*-*-bsd*)
bc98bcc4 1258 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
6599da04 1259 ;;
9bec4bf0 1260 mips*-*-linux*)
9bec4bf0 1261 ;;
bc98bcc4
JBG		 1262 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1263 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1264 noconfigdirs="$noconfigdirs ld gas gprof"
1265 ;;
6599da04 1266 mips*-*-*)
2909494b 1267 noconfigdirs="$noconfigdirs gprof"
6599da04 1268 ;;
74ae587e
JBG		 1269 nds32*-*-*)
1270 noconfigdirs="$noconfigdirs gdb"
1271 ;;
738f2522 1272 nvptx*-*-*)
738f2522
BS		 1273 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1274 ;;
74ae587e
JBG		 1275 or1k*-*-*)
1276 noconfigdirs="$noconfigdirs gdb"
1277 ;;
bc6d9014 1278 sh-*-*)
ea2002ba
CB		 1279 case "${target}" in
1280 sh*-*-elf)
2909494b 1281 ;;
ea2002ba 1282 *)
2909494b 1283 noconfigdirs="$noconfigdirs target-libgloss" ;;
ea2002ba 1284 esac
6599da04
JM		 1285 ;;
1286 sparc-*-sunos4*)
6a789d5e 1287 if test x${is_cross_compiler} = xno ; then
6599da04
JM		 1288 use_gnu_ld=no
1289 fi
1290 ;;
b42f0d7e 1291 tic6x-*-*)
0d557ff8 1292 noconfigdirs="$noconfigdirs sim"
b42f0d7e 1293 ;;
341c653c 1294 tilepro*-*-* | tilegx*-*-*)
db1d217c
WL		 1295 noconfigdirs="$noconfigdirs sim"
1296 ;;
6599da04 1297 v810-*-*)
0036370f 1298 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
6599da04
JM		 1299 ;;
1300 vax-*-*)
2909494b 1301 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1302 ;;
6599da04
JM		 1303esac
1304
6599da04
JM		 1305# If we aren't building newlib, then don't build libgloss, since libgloss
1306# depends upon some newlib header files.
1307case "${noconfigdirs}" in
1308 *target-libgloss*) ;;
1309 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
55380b08 1310esac
6599da04 1311
55380b08 1312# Work in distributions that contain no compiler tools, like Autoconf.
671aa708 1313host_makefile_frag=/dev/null
55380b08
NN		 1314if test -d ${srcdir}/config ; then
1315case "${host}" in
f2a0e225 1316 i[[3456789]]86-*-msdosdjgpp*)
55380b08
NN		 1317 host_makefile_frag="config/mh-djgpp"
1318 ;;
1319 *-cygwin*)
2a79c47f 1320 ACX_CHECK_CYGWIN_CAT_WORKS
55380b08
NN		 1321 host_makefile_frag="config/mh-cygwin"
1322 ;;
c53a18d3 1323 *-mingw*)
1f5a6b84 1324 host_makefile_frag="config/mh-mingw"
738a52d3 1325 ;;
cabb9d59 1326 alpha*-linux*)
13be44ed
UB		 1327 host_makefile_frag="config/mh-alpha-linux"
1328 ;;
00afcaa0 1329 hppa*-hp-hpux10*)
00afcaa0 1330 host_makefile_frag="config/mh-pa-hpux10"
55380b08 1331 ;;
111eeb6e 1332 hppa*-hp-hpux*)
00afcaa0
PB		 1333 host_makefile_frag="config/mh-pa"
1334 ;;
1335 hppa*-*)
1336 host_makefile_frag="config/mh-pa"
1337 ;;
d8ed14ce
IS		 1338 *-*-darwin*)
1339 host_makefile_frag="config/mh-darwin"
be8fff81 1340 ;;
d19bca38
PB		 1341 powerpc-*-aix*)
1342 host_makefile_frag="config/mh-ppc-aix"
1343 ;;
1344 rs6000-*-aix*)
1345 host_makefile_frag="config/mh-ppc-aix"
1346 ;;
55380b08
NN		 1347esac
1348fi
1349
e4c9c075 1350if test "${build}" != "${host}" ; then
0999159b
PB		 1351 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1352 AS_FOR_BUILD=${AS_FOR_BUILD-as}
e4c9c075 1353 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
0999159b
PB		 1354 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1355 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1356 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
632e2a07 1357 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
0999159b
PB		 1358 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1359 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1360 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1361 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1362 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1363 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
e4c9c075 1364else
0999159b
PB		 1365 AR_FOR_BUILD="\$(AR)"
1366 AS_FOR_BUILD="\$(AS)"
e4c9c075 1367 CC_FOR_BUILD="\$(CC)"
0999159b
PB		 1368 CXX_FOR_BUILD="\$(CXX)"
1369 GCJ_FOR_BUILD="\$(GCJ)"
1370 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
632e2a07 1371 GOC_FOR_BUILD="\$(GOC)"
0999159b
PB		 1372 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1373 LD_FOR_BUILD="\$(LD)"
1374 NM_FOR_BUILD="\$(NM)"
1375 RANLIB_FOR_BUILD="\$(RANLIB)"
1376 WINDRES_FOR_BUILD="\$(WINDRES)"
1377 WINDMC_FOR_BUILD="\$(WINDMC)"
c3a86da9 1378fi
e4c9c075 1379
c3a86da9
DJ		 1380AC_PROG_CC
1381AC_PROG_CXX
1382
1383# We must set the default linker to the linker used by gcc for the correct
1384# operation of libtool. If LD is not defined and we are using gcc, try to
1385# set the LD default to the ld used by gcc.
1386if test -z "$LD"; then
1387 if test "$GCC" = yes; then
1388 case $build in
1389 *-*-mingw*)
1390 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1391 *)
1392 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1393 esac
1394 case $gcc_prog_ld in
1395 # Accept absolute paths.
1396 [[\\/]* | [A-Za-z]:[\\/]*)]
1397 LD="$gcc_prog_ld" ;;
1398 esac
1399 fi
e4c9c075
PB		 1400fi
1401
0b21f5d3
EB		 1402# Check whether -static-libstdc++ -static-libgcc is supported.
1403have_static_libs=no
1404if test "$GCC" = yes; then
1405 saved_LDFLAGS="$LDFLAGS"
1406
1407 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1408 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1409 AC_LANG_PUSH(C++)
0d6414b2
EB		 1410 AC_LINK_IFELSE([
1411#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1412#error -static-libstdc++ not implemented
1413#endif
1414int main() {}],
0b21f5d3
EB		 1415 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1416 [AC_MSG_RESULT([no])])
1417 AC_LANG_POP(C++)
1418
1419 LDFLAGS="$saved_LDFLAGS"
1420fi
1421
e4c9c075 1422ACX_PROG_GNAT
a76494aa 1423ACX_PROG_CMP_IGNORE_INITIAL
e4c9c075 1424
ff3ac0f4
ILT		 1425AC_ARG_ENABLE([bootstrap],
1426[AS_HELP_STRING([--enable-bootstrap],
1427 [enable bootstrapping @<:@yes if native build@:>@])],,
1428enable_bootstrap=default)
1429
1430# Issue errors and warnings for invalid/strange bootstrap combinations.
bf03b9ff
ILT		 1431if test -r $srcdir/gcc/configure; then
1432 have_compiler=yes
1433else
1434 have_compiler=no
1435fi
ff3ac0f4
ILT		 1436
1437case "$have_compiler:$host:$target:$enable_bootstrap" in
1438 *:*:*:no) ;;
1439
1440 # Default behavior. Enable bootstrap if we have a compiler
1441 # and we are in a native configuration.
1442 yes:$build:$build:default)
1443 enable_bootstrap=yes ;;
1444
1445 *:*:*:default)
1446 enable_bootstrap=no ;;
1447
1448 # We have a compiler and we are in a native configuration, bootstrap is ok
1449 yes:$build:$build:yes)
1450 ;;
1451
1452 # Other configurations, but we have a compiler. Assume the user knows
1453 # what he's doing.
1454 yes:*:*:yes)
1455 AC_MSG_WARN([trying to bootstrap a cross compiler])
1456 ;;
1457
1458 # No compiler: if they passed --enable-bootstrap explicitly, fail
1459 no:*:*:yes)
1460 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1461
1462 # Fail if wrong command line
1463 *)
1464 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1465 ;;
1466esac
1467
46070488
JM		 1468# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1469# C++98 compiler can still start the bootstrap.
1470if test "$enable_bootstrap:$GXX" = "yes:yes"; then
8ca528d9 1471 CXX="$CXX -std=gnu++98"
46070488
JM		 1472fi
1473
592c90ff
KG		 1474# Used for setting $lt_cv_objdir
1475_LT_CHECK_OBJDIR
1476
acd26225 1477# Check for GMP, MPFR and MPC
3a5729ea 1478gmplibs="-lmpc -lmpfr -lgmp"
6de9cd9a 1479gmpinc=
e69bf64b 1480have_gmp=no
acd26225
KG		 1481
1482# Specify a location for mpc
1483# check for this first so it ends up on the link line before mpfr.
33e39b66
AS		 1484AC_ARG_WITH(mpc,
1485[AS_HELP_STRING([--with-mpc=PATH],
1486 [specify prefix directory for installed MPC package.
1487 Equivalent to --with-mpc-include=PATH/include
1488 plus --with-mpc-lib=PATH/lib])])
1489AC_ARG_WITH(mpc-include,
1490[AS_HELP_STRING([--with-mpc-include=PATH],
1491 [specify directory for installed MPC include files])])
1492AC_ARG_WITH(mpc-lib,
1493[AS_HELP_STRING([--with-mpc-lib=PATH],
1494 [specify directory for the installed MPC library])])
acd26225
KG		 1495
1496if test "x$with_mpc" != x; then
3a5729ea
KG		 1497 gmplibs="-L$with_mpc/lib $gmplibs"
1498 gmpinc="-I$with_mpc/include $gmpinc"
acd26225
KG		 1499fi
1500if test "x$with_mpc_include" != x; then
3a5729ea 1501 gmpinc="-I$with_mpc_include $gmpinc"
acd26225
KG		 1502fi
1503if test "x$with_mpc_lib" != x; then
3a5729ea 1504 gmplibs="-L$with_mpc_lib $gmplibs"
acd26225
KG		 1505fi
1506if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
592c90ff 1507 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
3a5729ea 1508 gmpinc='-I$$s/mpc/src '"$gmpinc"
acd26225
KG		 1509 # Do not test the mpc version. Assume that it is sufficient, since
1510 # it is in the source tree, and the library has not been built yet
1511 # but it would be included on the link line in the version check below
1512 # hence making the test fail.
3a5729ea 1513 have_gmp=yes
acd26225 1514fi
e69bf64b 1515
bebf829d
PB		 1516# Specify a location for mpfr
1517# check for this first so it ends up on the link line before gmp.
33e39b66
AS		 1518AC_ARG_WITH(mpfr-dir,
1519[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1520[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1521Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1522
1523AC_ARG_WITH(mpfr,
1524[AS_HELP_STRING([--with-mpfr=PATH],
1525 [specify prefix directory for installed MPFR package.
1526 Equivalent to --with-mpfr-include=PATH/include
1527 plus --with-mpfr-lib=PATH/lib])])
1528AC_ARG_WITH(mpfr-include,
1529[AS_HELP_STRING([--with-mpfr-include=PATH],
1530 [specify directory for installed MPFR include files])])
1531AC_ARG_WITH(mpfr-lib,
1532[AS_HELP_STRING([--with-mpfr-lib=PATH],
1533 [specify directory for the installed MPFR library])])
bebf829d
PB		 1534
1535if test "x$with_mpfr" != x; then
1536 gmplibs="-L$with_mpfr/lib $gmplibs"
3a5729ea 1537 gmpinc="-I$with_mpfr/include $gmpinc"
bebf829d 1538fi
8a877c9c 1539if test "x$with_mpfr_include" != x; then
3a5729ea 1540 gmpinc="-I$with_mpfr_include $gmpinc"
8a877c9c
KG		 1541fi
1542if test "x$with_mpfr_lib" != x; then
1543 gmplibs="-L$with_mpfr_lib $gmplibs"
1544fi
e69bf64b 1545if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
00f35794
BE		 1546 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1547 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1548 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
e69bf64b
PB		 1549 # Do not test the mpfr version. Assume that it is sufficient, since
1550 # it is in the source tree, and the library has not been built yet
1551 # but it would be included on the link line in the version check below
1552 # hence making the test fail.
1553 have_gmp=yes
1554fi
bebf829d 1555
6de9cd9a 1556# Specify a location for gmp
33e39b66
AS		 1557AC_ARG_WITH(gmp-dir,
1558[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1559[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1560Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1561
1562AC_ARG_WITH(gmp,
1563[AS_HELP_STRING([--with-gmp=PATH],
1564 [specify prefix directory for the installed GMP package.
1565 Equivalent to --with-gmp-include=PATH/include
1566 plus --with-gmp-lib=PATH/lib])])
1567AC_ARG_WITH(gmp-include,
1568[AS_HELP_STRING([--with-gmp-include=PATH],
1569 [specify directory for installed GMP include files])])
1570AC_ARG_WITH(gmp-lib,
1571[AS_HELP_STRING([--with-gmp-lib=PATH],
1572 [specify directory for the installed GMP library])])
6de9cd9a 1573
6de9cd9a 1574
bebf829d
PB		 1575if test "x$with_gmp" != x; then
1576 gmplibs="-L$with_gmp/lib $gmplibs"
1577 gmpinc="-I$with_gmp/include $gmpinc"
6de9cd9a 1578fi
8a877c9c
KG		 1579if test "x$with_gmp_include" != x; then
1580 gmpinc="-I$with_gmp_include $gmpinc"
1581fi
1582if test "x$with_gmp_lib" != x; then
1583 gmplibs="-L$with_gmp_lib $gmplibs"
1584fi
e69bf64b 1585if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
592c90ff 1586 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
e69bf64b 1587 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
9183bdcf 1588 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
592c90ff 1589 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
0ff2d841 1590 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
e69bf64b
PB		 1591 # Do not test the gmp version. Assume that it is sufficient, since
1592 # it is in the source tree, and the library has not been built yet
1593 # but it would be included on the link line in the version check below
1594 # hence making the test fail.
1595 have_gmp=yes
1596fi
6de9cd9a 1597
d943d7c4 1598if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
e69bf64b
PB		 1599 have_gmp=yes
1600 saved_CFLAGS="$CFLAGS"
1601 CFLAGS="$CFLAGS $gmpinc"
362c6d2f
KG		 1602 # Check for the recommended and required versions of GMP.
1603 AC_MSG_CHECKING([for the correct version of gmp.h])
e69bf64b 1604 AC_TRY_COMPILE([#include "gmp.h"],[
362c6d2f
KG		 1605 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1606 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
385c0681 1607 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
e48d66a9 1608 choke me
e69bf64b 1609 #endif
e8fd69bb 1610 ], [AC_TRY_COMPILE([#include <gmp.h>],[
362c6d2f
KG		 1611 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1612 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1613 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1614 choke me
1615 #endif
e8fd69bb 1616 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1617 [AC_MSG_RESULT([no]); have_gmp=no])
e69bf64b 1618
acd26225 1619 # If we have GMP, check the MPFR version.
e69bf64b 1620 if test x"$have_gmp" = xyes; then
362c6d2f
KG		 1621 # Check for the recommended and required versions of MPFR.
1622 AC_MSG_CHECKING([for the correct version of mpfr.h])
acd26225 1623 AC_TRY_COMPILE([#include <gmp.h>
e69bf64b 1624 #include <mpfr.h>],[
f7d6bc01 1625 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
e69bf64b
PB		 1626 choke me
1627 #endif
e8fd69bb 1628 ], [AC_TRY_COMPILE([#include <gmp.h>
acd26225 1629 #include <mpfr.h>],[
362c6d2f 1630 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
acd26225
KG		 1631 choke me
1632 #endif
e8fd69bb 1633 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
acd26225
KG		 1634 [AC_MSG_RESULT([no]); have_gmp=no])
1635 fi
1636
1637 # Check for the MPC header version.
3a5729ea 1638 if test x"$have_gmp" = xyes ; then
362c6d2f 1639 # Check for the recommended and required versions of MPC.
acd26225
KG		 1640 AC_MSG_CHECKING([for the correct version of mpc.h])
1641 AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f 1642 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
acd26225
KG		 1643 choke me
1644 #endif
e8fd69bb 1645 ], [AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f
KG		 1646 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1647 choke me
1648 #endif
e8fd69bb 1649 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1650 [AC_MSG_RESULT([no]); have_gmp=no])
acd26225
KG		 1651 fi
1652
1653 # Now check the MPFR library.
1654 if test x"$have_gmp" = xyes; then
1655 saved_LIBS="$LIBS"
1656 LIBS="$LIBS $gmplibs"
3a5729ea
KG		 1657 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1658 AC_TRY_LINK([#include <mpc.h>],[
54e433bc
MK		 1659 mpfr_t n;
1660 mpfr_t x;
3a5729ea 1661 mpc_t c;
e69bf64b 1662 int t;
54e433bc
MK		 1663 mpfr_init (n);
1664 mpfr_init (x);
e69bf64b
PB		 1665 mpfr_atan2 (n, n, x, GMP_RNDN);
1666 mpfr_erfc (n, x, GMP_RNDN);
1667 mpfr_subnormalize (x, t, GMP_RNDN);
3a5729ea
KG		 1668 mpfr_clear(n);
1669 mpfr_clear(x);
1670 mpc_init2 (c, 53);
1671 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1672 mpc_cosh (c, c, MPC_RNDNN);
1673 mpc_pow (c, c, c, MPC_RNDNN);
1674 mpc_acosh (c, c, MPC_RNDNN);
1675 mpc_clear (c);
acd26225
KG		 1676 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1677 LIBS="$saved_LIBS"
e69bf64b 1678 fi
acd26225 1679
e69bf64b 1680 CFLAGS="$saved_CFLAGS"
6de9cd9a 1681
362c6d2f
KG		 1682# The library versions listed in the error message below should match
1683# the HARD-minimums enforced above.
e69bf64b 1684 if test x$have_gmp != xyes; then
f7d6bc01 1685 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
3a5729ea
KG		 1686Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1687their locations. Source code for these libraries can be found at
1688their respective hosting sites as well as at
1689ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1690http://gcc.gnu.org/install/prerequisites.html for additional info. If
1691you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1692make sure that you have installed both the libraries and the header
1693files. They may be located in separate packages.])
e69bf64b 1694 fi
70ec446f
KG		 1695fi
1696
acd26225 1697# Flags needed for both GMP, MPFR and/or MPC.
6de9cd9a
DN		 1698AC_SUBST(gmplibs)
1699AC_SUBST(gmpinc)
9e3eba15 1700AC_SUBST(extra_mpfr_configure_flags)
acd26225
KG		 1701AC_SUBST(extra_mpc_gmp_configure_flags)
1702AC_SUBST(extra_mpc_mpfr_configure_flags)
0ff2d841 1703AC_SUBST(extra_isl_gmp_configure_flags)
6de9cd9a 1704
00020c16
ILT		 1705# Libraries to use for stage1 or when not bootstrapping.
1706AC_ARG_WITH(stage1-libs,
33e39b66 1707[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
00020c16
ILT		 1708[if test "$withval" = "no" -o "$withval" = "yes"; then
1709 stage1_libs=
1710 else
1711 stage1_libs=$withval
1712 fi],
5dc85f7e 1713[stage1_libs=])
00020c16
ILT		 1714AC_SUBST(stage1_libs)
1715
0b21f5d3
EB		 1716# Linker flags to use for stage1 or when not bootstrapping.
1717AC_ARG_WITH(stage1-ldflags,
1718[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1719[if test "$withval" = "no" -o "$withval" = "yes"; then
1720 stage1_ldflags=
1721 else
1722 stage1_ldflags=$withval
1723 fi],
1724[stage1_ldflags=
1725 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1726 # if supported. But if the user explicitly specified the libraries to use,
1727 # trust that they are doing what they want.
1728 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1729 stage1_ldflags="-static-libstdc++ -static-libgcc"
1730 fi])
1731AC_SUBST(stage1_ldflags)
1732
5dc85f7e 1733# Libraries to use for stage2 and later builds.
00020c16 1734AC_ARG_WITH(boot-libs,
33e39b66 1735[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
00020c16
ILT		 1736[if test "$withval" = "no" -o "$withval" = "yes"; then
1737 poststage1_libs=
1738 else
e90e6bd7 1739 poststage1_libs=$withval
00020c16 1740 fi],
5dc85f7e 1741[poststage1_libs=])
00020c16
ILT		 1742AC_SUBST(poststage1_libs)
1743
ed2eaa9f
ILT		 1744# Linker flags to use for stage2 and later builds.
1745AC_ARG_WITH(boot-ldflags,
33e39b66
AS		 1746[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1747 [linker flags for stage2 and later])],
ed2eaa9f
ILT		 1748[if test "$withval" = "no" -o "$withval" = "yes"; then
1749 poststage1_ldflags=
1750 else
1751 poststage1_ldflags=$withval
1752 fi],
1753[poststage1_ldflags=
bec93d73
ILT		 1754 # In stages 2 and 3, default to linking libstdc++ and libgcc
1755 # statically. But if the user explicitly specified the libraries to
1756 # use, trust that they are doing what they want.
1757 if test "$poststage1_libs" = ""; then
ed2eaa9f
ILT		 1758 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1759 fi])
1760AC_SUBST(poststage1_ldflags)
1761
e357a5e0 1762# GCC GRAPHITE dependency isl.
4a9bb2aa 1763# Basic setup is inlined here, actual checks are in config/isl.m4
625afa23 1764
625afa23
RG		 1765AC_ARG_WITH(isl,
1766 [AS_HELP_STRING(
1767 [--with-isl=PATH],
e357a5e0 1768 [Specify prefix directory for the installed isl package.
625afa23
RG		 1769 Equivalent to --with-isl-include=PATH/include
1770 plus --with-isl-lib=PATH/lib])])
1771
eae1a5d4 1772# Treat --without-isl as a request to disable
625afa23 1773# GRAPHITE support and skip all following checks.
eae1a5d4 1774if test "x$with_isl" != "xno"; then
e357a5e0 1775 # Check for isl
625afa23
RG		 1776 dnl Provide configure switches and initialize islinc & isllibs
1777 dnl with user input.
1778 ISL_INIT_FLAGS
e357a5e0 1779 dnl The versions of isl that work for Graphite
e0c0c325 1780 ISL_CHECK_VERSION()
e357a5e0 1781 dnl Only execute fail-action, if isl has been requested.
33ad93b9 1782 ISL_IF_FAILED([
e357a5e0 1783 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
f8bf9252 1784fi
f8bf9252 1785
e357a5e0 1786# If the isl check failed, disable builds of in-tree variant of isl
625afa23 1787if test "x$with_isl" = xno ||
625afa23 1788 test "x$gcc_cv_isl" = xno; then
4a9bb2aa 1789 noconfigdirs="$noconfigdirs isl"
625afa23 1790 islinc=
eae1a5d4
RG		 1791fi
1792
1793AC_SUBST(isllibs)
625afa23 1794AC_SUBST(islinc)
625afa23 1795
d7f09764
DN		 1796# Check for LTO support.
1797AC_ARG_ENABLE(lto,
33e39b66 1798[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
d7f09764
DN		 1799enable_lto=$enableval,
1800enable_lto=yes; default_enable_lto=yes)
1801
48215350
DK		 1802ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1803 build_lto_plugin=yes
1804],[if test x"$default_enable_lto" = x"yes" ; then
bb79486c 1805 case $target in
9e530bcd 1806 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
48215350 1807 # On other non-ELF platforms, LTO has yet to be validated.
bb79486c
JH		 1808 *) enable_lto=no ;;
1809 esac
3bec79c5 1810 else
db50fe7d
IS		 1811 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1812 # It would also be nice to check the binutils support, but we don't
3bec79c5
DK		 1813 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1814 # warn during gcc/ subconfigure; unless you're bootstrapping with
1815 # -flto it won't be needed until after installation anyway.
1816 case $target in
9e530bcd 1817 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
3bec79c5
DK		 1818 *) if test x"$enable_lto" = x"yes"; then
1819 AC_MSG_ERROR([LTO support is not enabled for this target.])
1820 fi
1821 ;;
1822 esac
1823 fi
1cd0b716 1824 # Among non-ELF, only Windows platforms support the lto-plugin so far.
48215350 1825 # Build it unless LTO was explicitly disabled.
1cd0b716 1826 case $target in
48215350 1827 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1cd0b716
DK		 1828 *) ;;
1829 esac
48215350 1830])
d7f09764 1831
45b3824d
TS		 1832AC_ARG_ENABLE(linker-plugin-configure-flags,
1833 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1834 [additional flags for configuring linker plugins @<:@none@:>@])],
1835 extra_linker_plugin_configure_flags=$enableval,
1836 extra_linker_plugin_configure_flags=)
1837AC_SUBST(extra_linker_plugin_configure_flags)
1838AC_ARG_ENABLE(linker-plugin-flags,
1839 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1840 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1841 extra_linker_plugin_flags=$enableval,
1842 extra_linker_plugin_flags=)
1843AC_SUBST(extra_linker_plugin_flags)
1844
f8bf9252 1845
0823efed 1846# By default, C and C++ are the only stage 1 languages.
e1888513 1847stage1_languages=,c,
2805b53a 1848
00020c16 1849# Target libraries that we bootstrap.
ad1e5170 1850bootstrap_target_libs=,target-libgcc,
00020c16 1851
e4c9c075
PB		 1852# Figure out what language subdirectories are present.
1853# Look if the user specified --enable-languages="..."; if not, use
1854# the environment variable $LANGUAGES if defined. $LANGUAGES might
1855# go away some day.
1856# NB: embedded tabs in this IF block -- do not untabify
1857if test -d ${srcdir}/gcc; then
1858 if test x"${enable_languages+set}" != xset; then
1859 if test x"${LANGUAGES+set}" = xset; then
1860 enable_languages="${LANGUAGES}"
6b1786aa 1861 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
e4c9c075
PB		 1862 else
1863 enable_languages=all
1864 fi
1865 else
1866 if test x"${enable_languages}" = x ||
1867 test x"${enable_languages}" = xyes;
1868 then
6b1786aa 1869 echo configure.ac: --enable-languages needs at least one language argument 1>&2
e4c9c075
PB		 1870 exit 1
1871 fi
1872 fi
1873 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1874
7f26dfa3
FXC		 1875 # 'f95' is the old name for the 'fortran' language. We issue a warning
1876 # and make the substitution.
1877 case ,${enable_languages}, in
1878 *,f95,*)
6b1786aa 1879 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
7f26dfa3
FXC		 1880 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1881 ;;
1882 esac
1883
0823efed
DN		 1884 # If bootstrapping, C++ must be enabled.
1885 case ",$enable_languages,:$enable_bootstrap" in
1886 *,c++,*:*) ;;
1887 *:yes)
ff3ac0f4
ILT		 1888 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1889 enable_languages="${enable_languages},c++"
1890 else
0823efed 1891 AC_MSG_ERROR([bootstrapping requires c++ sources])
ff3ac0f4
ILT		 1892 fi
1893 ;;
1894 esac
1895
e4c9c075
PB		 1896 # First scan to see if an enabled language requires some other language.
1897 # We assume that a given config-lang.in will list all the language
1898 # front ends it requires, even if some are required indirectly.
1899 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1900 case ${lang_frag} in
1901 ..) ;;
1902 # The odd quoting in the next line works around
1903 # an apparent bug in bash 1.12 on linux.
1904 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1905 *)
69ecd18f
ILT		 1906 # From the config-lang.in, get $language, $lang_requires, and
1907 # $lang_requires_boot_languages.
e4c9c075
PB		 1908 language=
1909 lang_requires=
69ecd18f 1910 lang_requires_boot_languages=
e4c9c075 1911 . ${lang_frag}
69ecd18f 1912 for other in ${lang_requires} ${lang_requires_boot_languages}; do
e4c9c075
PB		 1913 case ,${enable_languages}, in
1914 *,$other,*) ;;
1915 *,all,*) ;;
1916 *,$language,*)
1917 echo " \`$other' language required by \`$language'; enabling" 1>&2
1918 enable_languages="${enable_languages},${other}"
1919 ;;
1920 esac
1921 done
69ecd18f
ILT		 1922 for other in ${lang_requires_boot_languages} ; do
1923 if test "$other" != "c"; then
1924 case ,${enable_stage1_languages}, in
1925 *,$other,*) ;;
1926 *,all,*) ;;
1927 *)
1928 case ,${enable_languages}, in
1929 *,$language,*)
1930 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1931 enable_stage1_languages="$enable_stage1_languages,${other}"
1932 ;;
1933 esac
1934 ;;
1935 esac
1936 fi
1937 done
e4c9c075
PB		 1938 ;;
1939 esac
1940 done
1941
e1888513 1942 new_enable_languages=,c,
d7f09764
DN		 1943
1944 # If LTO is enabled, add the LTO front end.
d7f09764 1945 if test "$enable_lto" = "yes" ; then
e4c5bd48
RW		 1946 case ,${enable_languages}, in
1947 *,lto,*) ;;
1948 *) enable_languages="${enable_languages},lto" ;;
1949 esac
1cd0b716 1950 if test "${build_lto_plugin}" = "yes" ; then
d7f09764 1951 configdirs="$configdirs lto-plugin"
d7f09764
DN		 1952 fi
1953 fi
d7f09764 1954
426c1eb0
TS		 1955 # If we're building an offloading compiler, add the LTO front end.
1956 if test x"$enable_as_accelerator_for" != x ; then
1957 case ,${enable_languages}, in
1958 *,lto,*) ;;
1959 *) enable_languages="${enable_languages},lto" ;;
1960 esac
1961 fi
1962
e4c9c075 1963 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
e1888513 1964 potential_languages=,c,
e4c9c075 1965
4da3b0f8
ILT		 1966 enabled_target_libs=
1967 disabled_target_libs=
1968
e4c9c075
PB		 1969 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1970 case ${lang_frag} in
1971 ..) ;;
1972 # The odd quoting in the next line works around
1973 # an apparent bug in bash 1.12 on linux.
1974 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1975 *)
1976 # From the config-lang.in, get $language, $target_libs,
2805b53a 1977 # $lang_dirs, $boot_language, and $build_by_default
e4c9c075
PB		 1978 language=
1979 target_libs=
1980 lang_dirs=
1546bb64 1981 subdir_requires=
e1888513
PB		 1982 boot_language=no
1983 build_by_default=yes
e4c9c075 1984 . ${lang_frag}
e1888513
PB		 1985 if test x${language} = x; then
1986 echo "${lang_frag} doesn't set \$language." 1>&2
1987 exit 1
1988 fi
1989
78767fd9 1990 if test "$language" = "c++"; then
0823efed 1991 boot_language=yes
00020c16
ILT		 1992 fi
1993
178f875a 1994 add_this_lang=no
e1888513
PB		 1995 case ,${enable_languages}, in
1996 *,${language},*)
d4a10d0a
SB		 1997 # Language was explicitly selected; include it
1998 # unless it is C, which is enabled by default.
1999 if test "$language" != "c"; then
2000 add_this_lang=yes
2001 fi
e4c9c075 2002 ;;
e1888513
PB		 2003 *,all,*)
2004 # 'all' was selected, select it if it is a default language
178f875a
JM		 2005 if test "$language" != "c"; then
2006 add_this_lang=${build_by_default}
2007 fi
e4c9c075
PB		 2008 ;;
2009 esac
6de9cd9a 2010
1546bb64 2011 # Disable languages that need other directories if these aren't available.
95695ad3 2012 for i in $subdir_requires; do
b6348cb3 2013 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1546bb64
PB		 2014 case ,${enable_languages}, in
2015 *,${language},*)
2016 # Specifically requested language; tell them.
2017 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2018 ;;
2019 *)
2020 # Silently disable.
e1888513 2021 add_this_lang=unsupported
1546bb64
PB		 2022 ;;
2023 esac
2024 done
2025
e1888513
PB		 2026 # Disable Ada if no preexisting GNAT is available.
2027 case ,${enable_languages},:${language}:${have_gnat} in
2028 *,${language},*:ada:no)
2029 # Specifically requested language; tell them.
2030 AC_MSG_ERROR([GNAT is required to build $language])
2031 ;;
2032 *:ada:no)
2033 # Silently disable.
2034 add_this_lang=unsupported
2035 ;;
2036 esac
2037
4fab7234
HPN		 2038 # Disable a language that is unsupported by the target.
2039 case " $unsupported_languages " in
2040 *" $language "*)
e1888513 2041 add_this_lang=unsupported
4fab7234
HPN		 2042 ;;
2043 esac
2044
6de9cd9a 2045 case $add_this_lang in
e1888513 2046 unsupported)
e4c9c075 2047 # Remove language-dependent dirs.
4da3b0f8
ILT		 2048 disabled_target_libs="$disabled_target_libs $target_libs"
2049 noconfigdirs="$noconfigdirs $lang_dirs"
2805b53a 2050 ;;
e1888513
PB		 2051 no)
2052 # Remove language-dependent dirs; still show language as supported.
4da3b0f8
ILT		 2053 disabled_target_libs="$disabled_target_libs $target_libs"
2054 noconfigdirs="$noconfigdirs $lang_dirs"
e1888513
PB		 2055 potential_languages="${potential_languages}${language},"
2056 ;;
2057 yes)
2058 new_enable_languages="${new_enable_languages}${language},"
2059 potential_languages="${potential_languages}${language},"
2805b53a 2060 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
4da3b0f8 2061 enabled_target_libs="$enabled_target_libs $target_libs"
ab9dcd0c
RW		 2062 case "${boot_language}:,$enable_stage1_languages," in
2063 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
340de83f 2064 # Add to (comma-separated) list of stage 1 languages.
ab9dcd0c
RW		 2065 case ",$stage1_languages," in
2066 *,$language,* | ,yes, | ,all,) ;;
2067 *) stage1_languages="${stage1_languages}${language}," ;;
2068 esac
00020c16
ILT		 2069 # We need to bootstrap any supporting libraries.
2070 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2805b53a
NN		 2071 ;;
2072 esac
2073 ;;
e4c9c075
PB		 2074 esac
2075 ;;
2076 esac
2077 done
2078
4da3b0f8
ILT		 2079 # Add target libraries which are only needed for disabled languages
2080 # to noconfigdirs.
2081 if test -n "$disabled_target_libs"; then
2082 for dir in $disabled_target_libs; do
2083 case " $enabled_target_libs " in
2084 *" ${dir} "*) ;;
2085 *) noconfigdirs="$noconfigdirs $dir" ;;
2086 esac
2087 done
2088 fi
2089
e1888513 2090 AC_ARG_ENABLE(stage1-languages,
33e39b66
AS		 2091 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2092 [choose additional languages to build during
2093 stage1. Mostly useful for compiler development])],
e1888513
PB		 2094 [case ,${enable_stage1_languages}, in
2095 ,no,|,,)
2096 # Set it to something that will have no effect in the loop below
2097 enable_stage1_languages=c ;;
2098 ,yes,)
2099 enable_stage1_languages=`echo $new_enable_languages | \
2100 sed -e "s/^,//" -e "s/,$//" ` ;;
2101 *,all,*)
2102 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2103 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2104 esac
2105
2106 # Add "good" languages from enable_stage1_languages to stage1_languages,
2107 # while "bad" languages go in missing_languages. Leave no duplicates.
2108 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2109 case $potential_languages in
2110 *,$i,*)
2111 case $stage1_languages in
2112 *,$i,*) ;;
2113 *) stage1_languages="$stage1_languages$i," ;;
2114 esac ;;
2115 *)
2116 case $missing_languages in
2117 *,$i,*) ;;
2118 *) missing_languages="$missing_languages$i," ;;
2119 esac ;;
2120 esac
2121 done])
2122
2123 # Remove leading/trailing commas that were added for simplicity
2124 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
79b4b7d2 2125 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
e1888513
PB		 2126 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2127 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2128
e4c9c075
PB		 2129 if test "x$missing_languages" != x; then
2130 AC_MSG_ERROR([
0cf085e4 2131The following requested languages could not be built: ${missing_languages}
e1888513 2132Supported languages are: ${potential_languages}])
e4c9c075 2133 fi
e4c9c075
PB		 2134 if test "x$new_enable_languages" != "x$enable_languages"; then
2135 echo The following languages will be built: ${new_enable_languages}
e1888513 2136 enable_languages="$new_enable_languages"
e4c9c075 2137 fi
e1888513
PB		 2138
2139 AC_SUBST(stage1_languages)
b2eaac4a 2140 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
e4c9c075
PB		 2141fi
2142
27079765
AH		 2143# Handle --disable-<component> generically.
2144for dir in $configdirs $build_configdirs $target_configdirs ; do
2145 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
ac9e6043
RW		 2146 varname=`echo $dirname | sed -e s/+/_/g`
2147 if eval test x\${enable_${varname}} "=" xno ; then
27079765
AH		 2148 noconfigdirs="$noconfigdirs $dir"
2149 fi
2150done
2151
7cd0cf9c
DA		 2152# Check for Boehm's garbage collector
2153AC_ARG_ENABLE(objc-gc,
33e39b66
AS		 2154[AS_HELP_STRING([--enable-objc-gc],
2155 [enable use of Boehm's garbage collector with the
2156 GNU Objective-C runtime])],
7cd0cf9c
DA		 2157[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2158 *,objc,*:*:yes:*target-boehm-gc*)
2159 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2160 ;;
2161esac])
2162
2163# Make sure we only build Boehm's garbage collector if required.
2a79fd67
DA		 2164case ,${enable_languages},:${enable_objc_gc} in
2165 *,objc,*:yes)
7cd0cf9c
DA		 2166 # Keep target-boehm-gc if requested for Objective-C.
2167 ;;
7cd0cf9c 2168 *)
2a79fd67
DA		 2169 # Otherwise remove target-boehm-gc depending on target-libjava.
2170 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2171 noconfigdirs="$noconfigdirs target-boehm-gc"
2172 fi
7cd0cf9c
DA		 2173 ;;
2174esac
99776ebd 2175
5f520819 2176# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
99776ebd 2177case ,${enable_languages}, in
1007a55c
JW		 2178 *,c++,*)
2179 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2180 case "${noconfigdirs}" in
2181 *target-libstdc++-v3*)
2182 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2183 ;;
2184 *) ;;
2185 esac
2186 ;;
99776ebd 2187 *)
5f520819 2188 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
99776ebd
RH		 2189 ;;
2190esac
7cd0cf9c 2191
9d069a4f
PB		 2192# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2193# $build_configdirs and $target_configdirs.
e4c9c075
PB		 2194# If we have the source for $noconfigdirs entries, add them to $notsupp.
2195
2196notsupp=""
2197for dir in . $skipdirs $noconfigdirs ; do
9d069a4f 2198 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
e4c9c075
PB		 2199 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2200 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2201 if test -r $srcdir/$dirname/configure ; then
2202 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2203 true
2204 else
2205 notsupp="$notsupp $dir"
2206 fi
2207 fi
2208 fi
9d069a4f
PB		 2209 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2210 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2211 if test -r $srcdir/$dirname/configure ; then
2212 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2213 true
2214 else
2215 notsupp="$notsupp $dir"
2216 fi
2217 fi
2218 fi
e4c9c075
PB		 2219 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2220 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2221 if test -r $srcdir/$dirname/configure ; then
2222 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2223 true
2224 else
2225 notsupp="$notsupp $dir"
2226 fi
2227 fi
2228 fi
2229done
2230
e4c9c075
PB		 2231# Quietly strip out all directories which aren't configurable in this tree.
2232# This relies on all configurable subdirectories being autoconfiscated, which
2233# is now the case.
23f6b2f9
PB		 2234build_configdirs_all="$build_configdirs"
2235build_configdirs=
2236for i in ${build_configdirs_all} ; do
2237 j=`echo $i | sed -e s/build-//g`
2238 if test -f ${srcdir}/$j/configure ; then
2239 build_configdirs="${build_configdirs} $i"
2240 fi
2241done
2242
e4c9c075
PB		 2243configdirs_all="$configdirs"
2244configdirs=
2245for i in ${configdirs_all} ; do
2246 if test -f ${srcdir}/$i/configure ; then
2247 configdirs="${configdirs} $i"
2248 fi
2249done
23f6b2f9 2250
e4c9c075
PB		 2251target_configdirs_all="$target_configdirs"
2252target_configdirs=
2253for i in ${target_configdirs_all} ; do
2254 j=`echo $i | sed -e s/target-//g`
2255 if test -f ${srcdir}/$j/configure ; then
2256 target_configdirs="${target_configdirs} $i"
2257 fi
2258done
2259
f1595603
L		 2260# Exclude target-zlib if target-libjava isn't built.
2261case ${target_configdirs} in
2262*target-libjava*)
2263 ;;
2264*)
2265 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2266 ;;
2267esac
2268
45b3824d
TS		 2269# libiberty-linker-plugin is special: it doesn't have its own source directory,
2270# so we have to add it after the preceding checks.
2271if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2272then
2273 case " $configdirs " in
2274 *" libiberty "*)
2275 # If we can build libiberty, we can also build libiberty-linker-plugin.
2276 configdirs="$configdirs libiberty-linker-plugin"
2277 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2278 --with-libiberty=../libiberty-linker-plugin";;
2279 *)
2280 AC_MSG_ERROR([libiberty missing]);;
2281 esac
2282fi
2283
fca38047
TS		 2284# Sometimes we have special requirements for the host libiberty.
2285extra_host_libiberty_configure_flags=
1c01ebf6 2286extra_host_zlib_configure_flags=
fca38047
TS		 2287case " $configdirs " in
2288 *" lto-plugin "* | *" libcc1 "*)
2289 # When these are to be built as shared libraries, the same applies to
2290 # libiberty.
2291 extra_host_libiberty_configure_flags=--enable-shared
2292 ;;
1c01ebf6
L		 2293 *" bfd "*)
2294 # When bfd is to be built as a shared library, the same applies to
2295 # zlib.
2296 if test "$enable_shared" = "yes"; then
2297 extra_host_zlib_configure_flags=--enable-host-shared
2298 fi
2299 ;;
fca38047
TS		 2300esac
2301AC_SUBST(extra_host_libiberty_configure_flags)
1c01ebf6 2302AC_SUBST(extra_host_zlib_configure_flags)
fca38047 2303
e4c9c075
PB		 2304# Produce a warning message for the subdirs we can't configure.
2305# This isn't especially interesting in the Cygnus tree, but in the individual
2306# FSF releases, it's important to let people know when their machine isn't
2307# supported by the one or two programs in a package.
2308
2309if test -n "${notsupp}" && test -z "${norecursion}" ; then
2310 # If $appdirs is non-empty, at least one of those directories must still
2311 # be configured, or we error out. (E.g., if the gas release supports a
2312 # specified target in some subdirs but not the gas subdir, we shouldn't
2313 # pretend that all is well.)
2314 if test -n "$appdirs" ; then
2315 for dir in $appdirs ; do
2316 if test -r $dir/Makefile.in ; then
2317 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2318 appdirs=""
2319 break
2320 fi
23f6b2f9 2321 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
e4c9c075
PB		 2322 appdirs=""
2323 break
2324 fi
2325 fi
2326 done
2327 if test -n "$appdirs" ; then
2328 echo "*** This configuration is not supported by this package." 1>&2
2329 exit 1
2330 fi
2331 fi
2332 # Okay, some application will build, or we don't care to check. Still
2333 # notify of subdirs not getting built.
2334 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2335 echo " ${notsupp}" 1>&2
2336 echo " (Any other directories should still work fine.)" 1>&2
2337fi
2338
2339case "$host" in
2340 *msdosdjgpp*)
2341 enable_gdbtk=no ;;
2342esac
2343
c3a86da9
DJ		 2344# To find our prefix, in gcc_cv_tool_prefix.
2345ACX_TOOL_DIRS
2346
e4c9c075
PB		 2347copy_dirs=
2348
526635cb 2349AC_ARG_WITH([build-sysroot],
33e39b66
AS		 2350 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2351 [use sysroot as the system root during the build])],
526635cb
MM		 2352 [if test x"$withval" != x ; then
2353 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2354 fi],
2355 [SYSROOT_CFLAGS_FOR_TARGET=])
2356AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2357
c8aea42c 2358AC_ARG_WITH([debug-prefix-map],
33e39b66
AS		 2359 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2360 [map A to B, C to D ... in debug information])],
c8aea42c
PB		 2361 [if test x"$withval" != x; then
2362 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2363 for debug_map in $withval; do
2364 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2365 done
2366 fi],
2367 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2368AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2369
1c8bd6a3
PB		 2370# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2371# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2372# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2373# We want to ensure that TARGET libraries (which we know are built with
2374# gcc) are built with "-O2 -g", so include those options when setting
2375# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2376if test "x$CFLAGS_FOR_TARGET" = x; then
fc30054e
AH		 2377 if test "x${is_cross_compiler}" = xyes; then
2378 CFLAGS_FOR_TARGET="-g -O2"
2379 else
2380 CFLAGS_FOR_TARGET=$CFLAGS
2381 case " $CFLAGS " in
2382 *" -O2 "*) ;;
2383 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2384 esac
2385 case " $CFLAGS " in
2386 *" -g "* | *" -g3 "*) ;;
2387 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2388 esac
2389 fi
1c8bd6a3
PB		 2390fi
2391AC_SUBST(CFLAGS_FOR_TARGET)
2392
2393if test "x$CXXFLAGS_FOR_TARGET" = x; then
fc30054e
AH		 2394 if test "x${is_cross_compiler}" = xyes; then
2395 CXXFLAGS_FOR_TARGET="-g -O2"
2396 else
2397 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2398 case " $CXXFLAGS " in
2399 *" -O2 "*) ;;
2400 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2401 esac
2402 case " $CXXFLAGS " in
2403 *" -g "* | *" -g3 "*) ;;
2404 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2405 esac
2406 fi
1c8bd6a3
PB		 2407fi
2408AC_SUBST(CXXFLAGS_FOR_TARGET)
2409
6f57bdf6
DK		 2410AC_SUBST(LDFLAGS_FOR_TARGET)
2411
e4c9c075
PB		 2412# Handle --with-headers=XXX. If the value is not "yes", the contents of
2413# the named directory are copied to $(tooldir)/sys-include.
2414if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2415 if test x${is_cross_compiler} = xno ; then
2416 echo 1>&2 '***' --with-headers is only supported when cross compiling
2417 exit 1
2418 fi
2419 if test x"${with_headers}" != xyes ; then
c3a86da9 2420 x=${gcc_cv_tool_prefix}
1c710c3c 2421 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
e4c9c075
PB		 2422 fi
2423fi
2424
2425# Handle --with-libs=XXX. If the value is not "yes", the contents of
2426# the name directories are copied to $(tooldir)/lib. Multiple directories
2427# are permitted.
2428if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2429 if test x${is_cross_compiler} = xno ; then
2430 echo 1>&2 '***' --with-libs is only supported when cross compiling
2431 exit 1
2432 fi
2433 if test x"${with_libs}" != xyes ; then
2434 # Copy the libraries in reverse order, so that files in the first named
2435 # library override files in subsequent libraries.
c3a86da9 2436 x=${gcc_cv_tool_prefix}
e4c9c075 2437 for l in ${with_libs}; do
1c710c3c 2438 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
e4c9c075
PB		 2439 done
2440 fi
2441fi
2442
d7f09764 2443# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
e8b05380
PB		 2444#
2445# This is done by determining whether or not the appropriate directory
2446# is available, and by checking whether or not specific configurations
2447# have requested that this magic not happen.
2448#
2449# The command line options always override the explicit settings in
6b1786aa 2450# configure.ac, and the settings in configure.ac override this magic.
e8b05380
PB		 2451#
2452# If the default for a toolchain is to use GNU as and ld, and you don't
2453# want to do that, then you should use the --without-gnu-as and
d7f09764
DN		 2454# --without-gnu-ld options for the configure script. Similarly, if
2455# the default is to use the included zlib and you don't want to do that,
2456# you should use the --with-system-zlib option for the configure script.
e8b05380
PB		 2457
2458if test x${use_gnu_as} = x &&
2459 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2460 with_gnu_as=yes
2461 extra_host_args="$extra_host_args --with-gnu-as"
2462fi
2463
2464if test x${use_gnu_ld} = x &&
5afab7ad 2465 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
e8b05380
PB		 2466 with_gnu_ld=yes
2467 extra_host_args="$extra_host_args --with-gnu-ld"
2468fi
2469
d7f09764
DN		 2470if test x${use_included_zlib} = x &&
2471 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2472 :
2473else
2474 with_system_zlib=yes
2475 extra_host_args="$extra_host_args --with-system-zlib"
2476fi
2477
e8b05380
PB		 2478# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2479# can detect this case.
2480
2481if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2482 with_newlib=yes
2483 extra_host_args="$extra_host_args --with-newlib"
2484fi
2485
e4c9c075
PB		 2486# Handle ${copy_dirs}
2487set fnord ${copy_dirs}
2488shift
2489while test $# != 0 ; do
2490 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2491 :
2492 else
2493 echo Copying $1 to $2
2494
2495 # Use the install script to create the directory and all required
2496 # parent directories.
2497 if test -d $2 ; then
2498 :
2499 else
2500 echo >config.temp
2501 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2502 fi
2503
2504 # Copy the directory, assuming we have tar.
2505 # FIXME: Should we use B in the second tar? Not all systems support it.
2506 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2507
2508 # It is the responsibility of the user to correctly adjust all
2509 # symlinks. If somebody can figure out how to handle them correctly
2510 # here, feel free to add the code.
2511
2512 echo $1 > $2/COPIED
2513 fi
2514 shift; shift
2515done
2516
e8b05380
PB		 2517# Determine a target-dependent exec_prefix that the installed
2518# gcc will search in. Keep this list sorted by triplet, with
2519# the *-*-osname triplets last.
2520md_exec_prefix=
2521case "${target}" in
30b74385 2522 i[[34567]]86-pc-msdosdjgpp*)
e8b05380
PB		 2523 md_exec_prefix=/dev/env/DJDIR/bin
2524 ;;
e8b05380 2525 *-*-hpux* | \
e8b05380 2526 *-*-nto-qnx* | \
6de66370 2527 *-*-solaris2*)
e8b05380
PB		 2528 md_exec_prefix=/usr/ccs/bin
2529 ;;
2530esac
2531
4977bab6
ZW		 2532extra_arflags_for_target=
2533extra_nmflags_for_target=
2a726918 2534extra_ranlibflags_for_target=
671aa708 2535target_makefile_frag=/dev/null
55380b08 2536case "${target}" in
58e24147
AM		 2537 spu-*-*)
2538 target_makefile_frag="config/mt-spu"
2539 ;;
74ae587e 2540 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
4bf6c438
RS		 2541 target_makefile_frag="config/mt-sde"
2542 ;;
1ec3b87b
RS		 2543 mipsisa*-*-elfoabi*)
2544 target_makefile_frag="config/mt-mips-elfoabi"
2545 ;;
08d0963a
RS		 2546 mips*-*-*linux* | mips*-*-gnu*)
2547 target_makefile_frag="config/mt-mips-gnu"
2548 ;;
707f1839
SL		 2549 nios2-*-elf*)
2550 target_makefile_frag="config/mt-nios2-elf"
2551 ;;
416ac4d4 2552 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
98a5bb3b 2553 target_makefile_frag="config/mt-gnu"
55380b08 2554 ;;
671aa708 2555 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
4977bab6
ZW		 2556 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2557 # commands to handle both 32-bit and 64-bit objects. These flags are
2558 # harmless if we're using GNU nm or ar.
2559 extra_arflags_for_target=" -X32_64"
2560 extra_nmflags_for_target=" -B -X32_64"
55380b08 2561 ;;
c3b7d169
NN		 2562esac
2563
671aa708 2564alphaieee_frag=/dev/null
c3b7d169
NN		 2565case $target in
2566 alpha*-*-*)
2567 # This just makes sure to use the -mieee option to build target libs.
2568 # This should probably be set individually by each library.
2569 alphaieee_frag="config/mt-alphaieee"
55380b08
NN		 2570 ;;
2571esac
701afd4d 2572
55380b08
NN		 2573# If --enable-target-optspace always use -Os instead of -O2 to build
2574# the target libraries, similarly if it is not specified, use -Os
2575# on selected platforms.
671aa708 2576ospace_frag=/dev/null
55380b08
NN		 2577case "${enable_target_optspace}:${target}" in
2578 yes:*)
c3b7d169 2579 ospace_frag="config/mt-ospace"
55380b08
NN		 2580 ;;
2581 :d30v-*)
c3b7d169 2582 ospace_frag="config/mt-d30v"
55380b08 2583 ;;
d9063947 2584 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
c3b7d169 2585 ospace_frag="config/mt-ospace"
55380b08
NN		 2586 ;;
2587 no:* | :*)
2588 ;;
2589 *)
2590 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2591 ;;
2592esac
6599da04 2593
671aa708
NN		 2594# Some systems (e.g., one of the i386-aix systems the gas testers are
2595# using) don't handle "\$" correctly, so don't use it here.
1c710c3c 2596tooldir='${exec_prefix}'/${target_noncanonical}
671aa708
NN		 2597build_tooldir=${tooldir}
2598
671aa708
NN		 2599# Create a .gdbinit file which runs the one in srcdir
2600# and tells GDB to look there for source files.
2601
2602if test -r ${srcdir}/.gdbinit ; then
2603 case ${srcdir} in
2604 .) ;;
2605 *) cat > ./.gdbinit <<EOF
2606# ${NO_EDIT}
2607dir ${srcdir}
2608dir .
2609source ${srcdir}/.gdbinit
2610EOF
2611 ;;
2612 esac
2613fi
2614
6599da04
JM		 2615# Make sure that the compiler is able to generate an executable. If it
2616# can't, we are probably in trouble. We don't care whether we can run the
2617# executable--we might be using a cross compiler--we only care whether it
2618# can be created. At this point the main configure script has set CC.
aeaa0f2f 2619we_are_ok=no
6599da04
JM		 2620echo "int main () { return 0; }" > conftest.c
2621${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
aeaa0f2f
NN		 2622if test $? = 0 ; then
2623 if test -s conftest || test -s conftest.exe ; then
2624 we_are_ok=yes
2625 fi
2626fi
2627case $we_are_ok in
2628 no)
2629 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2630 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2631 rm -f conftest*
2632 exit 1
2633 ;;
2634esac
6599da04
JM		 2635rm -f conftest*
2636
d89f0ad6 2637# Decide which environment variable is used to find dynamic libraries.
fe3d5b7f
NN		 2638case "${host}" in
2639 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
111eeb6e 2640 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
d89f0ad6 2641 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
fe3d5b7f
NN		 2642 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2643esac
fe3d5b7f 2644
d89f0ad6
AL		 2645# On systems where the dynamic library environment variable is PATH,
2646# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2647# built executables to PATH.
2648if test "$RPATH_ENVVAR" = PATH; then
2649 GCC_SHLIB_SUBDIR=/shlib
2650else
2651 GCC_SHLIB_SUBDIR=
2652fi
2653
beeda1d9
JJ		 2654# Adjust the toplevel makefile according to whether bootstrap was selected.
2655case $enable_bootstrap in
2656 yes)
2657 bootstrap_suffix=bootstrap
2658 BUILD_CONFIG=bootstrap-debug
2659 ;;
2660 no)
2661 bootstrap_suffix=no-bootstrap
2662 BUILD_CONFIG=
2663 ;;
2664esac
2665
2666AC_MSG_CHECKING(for default BUILD_CONFIG)
2667
2668AC_ARG_WITH([build-config],
2669 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2670 [use config/NAME.mk build configuration])],
2671 [case $with_build_config in
2672 yes) with_build_config= ;;
2673 no) with_build_config= BUILD_CONFIG= ;;
2674 esac])
2675
2676if test "x${with_build_config}" != x; then
2677 BUILD_CONFIG=$with_build_config
2678else
2679 case $BUILD_CONFIG in
2680 bootstrap-debug)
2681 if echo "int f (void) { return 0; }" > conftest.c &&
2682 ${CC} -c conftest.c &&
2683 mv conftest.o conftest.o.g0 &&
2684 ${CC} -c -g conftest.c &&
2685 mv conftest.o conftest.o.g &&
2686 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2687 :
2688 else
2689 BUILD_CONFIG=
2690 fi
2691 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2692 ;;
2693 esac
2694fi
2695AC_MSG_RESULT($BUILD_CONFIG)
2696AC_SUBST(BUILD_CONFIG)
2697
2698# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2699AC_MSG_CHECKING([for --enable-vtable-verify])
2700AC_ARG_ENABLE(vtable-verify,
318a4e6d
MF		 2701[AS_HELP_STRING([--enable-vtable-verify],
2702 [Enable vtable verification feature])],
beeda1d9
JJ		 2703[case "$enableval" in
2704 yes) enable_vtable_verify=yes ;;
2705 no) enable_vtable_verify=no ;;
2706 *) enable_vtable_verify=no;;
2707 esac],
2708[enable_vtable_verify=no])
2709AC_MSG_RESULT($enable_vtable_verify)
2710
4977bab6
ZW		 2711# Record target_configdirs and the configure arguments for target and
2712# build configuration in Makefile.
2713target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
23f6b2f9 2714build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
9e1c8fc1 2715bootstrap_fixincludes=no
4977bab6 2716
ad1e5170
JR		 2717# If we are building libgomp, bootstrap it.
2718if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2719 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2720fi
2721
beeda1d9
JJ		 2722# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2723# or bootstrap-ubsan, bootstrap it.
2724if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2725 case "$BUILD_CONFIG" in
2726 *bootstrap-asan* | *bootstrap-ubsan* )
2727 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
9e1c8fc1 2728 bootstrap_fixincludes=yes
beeda1d9
JJ		 2729 ;;
2730 esac
ac8701fe
L		 2731fi
2732
beeda1d9
JJ		 2733# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2734if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2735 test "$enable_vtable_verify" != no; then
2077db1b
CT		 2736 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2737fi
2738
5373cd33
IE		 2739# If we are building libmpx, bootstrap it.
2740if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2741 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2742fi
2743
4977bab6
ZW		 2744# Determine whether gdb needs tk/tcl or not.
2745# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2746# and in that case we want gdb to be built without tk. Ugh!
2747# In fact I believe gdb is the *only* package directly dependent on tk,
2748# so we should be able to put the 'maybe's in unconditionally and
2749# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2750# 100% sure that that's safe though.
e914a571 2751
b4f96efe 2752gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
4977bab6
ZW		 2753case "$enable_gdbtk" in
2754 no)
2755 GDB_TK="" ;;
e914a571
AC		 2756 yes)
2757 GDB_TK="${gdb_tk}" ;;
4977bab6 2758 *)
e914a571
AC		 2759 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2760 # distro. Eventually someone will fix this and move Insight, nee
2761 # gdbtk to a separate directory.
2762 if test -d ${srcdir}/gdb/gdbtk ; then
2763 GDB_TK="${gdb_tk}"
2764 else
2765 GDB_TK=""
2766 fi
2767 ;;
4977bab6 2768esac
ef9db8d5
DJ		 2769CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2770INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
4977bab6 2771
60975492 2772# Strip out unwanted targets.
8b87bb96
NN		 2773
2774# While at that, we remove Makefiles if we were started for recursive
2775# configuration, so that the top-level Makefile reconfigures them,
2776# like we used to do when configure itself was recursive.
8b87bb96 2777
3e54529c
RW		 2778# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2779# but now we're fixing up the Makefile ourselves with the additional
2780# commands passed to AC_CONFIG_FILES. Use separate variables
2781# extrasub-{build,host,target} not because there is any reason to split
2782# the substitutions up that way, but only to remain below the limit of
2783# 99 commands in a script, for HP-UX sed.
2784# Do not nest @if/@endif pairs, because configure will not warn you at all.
8b87bb96 2785
79cd2b23
RW		 2786case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2787 yes:yes:*\ gold\ *:*,c++,*) ;;
2788 yes:yes:*\ gold\ *:*)
2789 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2790 ;;
2791esac
2792
3e54529c 2793extrasub_build=
23f6b2f9 2794for module in ${build_configdirs} ; do
8b87bb96
NN		 2795 if test -z "${no_recursion}" \
2796 && test -f ${build_subdir}/${module}/Makefile; then
2797 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2798 rm -f ${build_subdir}/${module}/Makefile
2799 fi
3e54529c 2800 extrasub_build="$extrasub_build
60975492 2801/^@if build-$module\$/d
5607edfd
PB		 2802/^@endif build-$module\$/d
2803/^@if build-$module-$bootstrap_suffix\$/d
2804/^@endif build-$module-$bootstrap_suffix\$/d"
8b87bb96 2805done
3e54529c 2806extrasub_host=
8b87bb96 2807for module in ${configdirs} ; do
a6fbc1e2 2808 if test -z "${no_recursion}"; then
f063a9ed 2809 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
a6fbc1e2
AS		 2810 if test -f ${file}; then
2811 echo 1>&2 "*** removing ${file} to force reconfigure"
2812 rm -f ${file}
2813 fi
2814 done
8b87bb96 2815 fi
9e1c8fc1
JJ		 2816 case ${module},${bootstrap_fixincludes} in
2817 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2818 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2819 esac
3e54529c 2820 extrasub_host="$extrasub_host
60975492 2821/^@if $module\$/d
5607edfd 2822/^@endif $module\$/d
9e1c8fc1
JJ		 2823/^@if $module-$host_bootstrap_suffix\$/d
2824/^@endif $module-$host_bootstrap_suffix\$/d"
8b87bb96 2825done
3e54529c 2826extrasub_target=
8b87bb96
NN		 2827for module in ${target_configdirs} ; do
2828 if test -z "${no_recursion}" \
2829 && test -f ${target_subdir}/${module}/Makefile; then
2830 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2831 rm -f ${target_subdir}/${module}/Makefile
2832 fi
00020c16
ILT		 2833
2834 # We only bootstrap target libraries listed in bootstrap_target_libs.
2835 case $bootstrap_target_libs in
2836 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2837 *) target_bootstrap_suffix=no-bootstrap ;;
2838 esac
2839
3e54529c 2840 extrasub_target="$extrasub_target
60975492 2841/^@if target-$module\$/d
5607edfd 2842/^@endif target-$module\$/d
00020c16
ILT		 2843/^@if target-$module-$target_bootstrap_suffix\$/d
2844/^@endif target-$module-$target_bootstrap_suffix\$/d"
4977bab6 2845done
f516a7da 2846
3e54529c
RW		 2847# Do the final fixup along with target modules.
2848extrasub_target="$extrasub_target
60975492 2849/^@if /,/^@endif /d"
4977bab6
ZW		 2850
2851# Create the serialization dependencies. This uses a temporary file.
2852
ade82b16 2853AC_ARG_ENABLE([serial-configure],
33e39b66
AS		 2854[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2855 [force sequential configuration of
2856 sub-packages for the host, target or build
2857 machine, or all sub-packages])])
bf1d3e81
NN		 2858
2859case ${enable_serial_configure} in
2860 yes)
2861 enable_serial_build_configure=yes
2862 enable_serial_host_configure=yes
2863 enable_serial_target_configure=yes
2864 ;;
2865esac
ade82b16 2866
4977bab6
ZW		 2867# These force 'configure's to be done one at a time, to avoid problems
2868# with contention over a shared config.cache.
2869rm -f serdep.tmp
ade82b16 2870echo '# serdep.tmp' > serdep.tmp
4977bab6 2871olditem=
bf1d3e81 2872test "x${enable_serial_build_configure}" = xyes &&
4977bab6
ZW		 2873for item in ${build_configdirs} ; do
2874 case ${olditem} in
2875 "") ;;
ade82b16 2876 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2877 esac
2878 olditem=${item}
2879done
2880olditem=
bf1d3e81 2881test "x${enable_serial_host_configure}" = xyes &&
4977bab6
ZW		 2882for item in ${configdirs} ; do
2883 case ${olditem} in
2884 "") ;;
ade82b16 2885 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2886 esac
2887 olditem=${item}
2888done
2889olditem=
bf1d3e81 2890test "x${enable_serial_target_configure}" = xyes &&
4977bab6
ZW		 2891for item in ${target_configdirs} ; do
2892 case ${olditem} in
2893 "") ;;
ade82b16 2894 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2895 esac
2896 olditem=${item}
2897done
671aa708
NN		 2898serialization_dependencies=serdep.tmp
2899AC_SUBST_FILE(serialization_dependencies)
fe3d5b7f 2900
ade82b16 2901# Base args. Strip norecursion, cache-file, srcdir, host, build,
1c710c3c 2902# target, nonopt, and variable assignments. These are the ones we
f1a036e4
NC		 2903# might not want to pass down to subconfigures. The exception being
2904# --cache-file=/dev/null, which is used to turn off the use of cache
2905# files altogether, and which should be passed on to subconfigures.
2906# Also strip program-prefix, program-suffix, and program-transform-name,
2907# so that we can pass down a consistent program-transform-name.
1c710c3c 2908baseargs=
29a63921 2909tbaseargs=
1c710c3c
DJ		 2910keep_next=no
2911skip_next=no
2912eval "set -- $ac_configure_args"
44bfc3ac
DJ		 2913for ac_arg
2914do
1c710c3c
DJ		 2915 if test X"$skip_next" = X"yes"; then
2916 skip_next=no
2917 continue
2918 fi
2919 if test X"$keep_next" = X"yes"; then
2920 case $ac_arg in
2921 *\'*)
2922 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2923 esac
2924 baseargs="$baseargs '$ac_arg'"
29a63921 2925 tbaseargs="$tbaseargs '$ac_arg'"
1c710c3c
DJ		 2926 keep_next=no
2927 continue
2928 fi
2929
2930 # Handle separated arguments. Based on the logic generated by
2931 # autoconf 2.59.
2932 case $ac_arg in
2933 *=* | --config-cache | -C | -disable-* | --disable-* \
2934 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2935 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2936 | -with-* | --with-* | -without-* | --without-* | --x)
2937 separate_arg=no
2938 ;;
2939 -*)
2940 separate_arg=yes
2941 ;;
2942 *)
2943 separate_arg=no
2944 ;;
2945 esac
2946
29a63921
AO		 2947 skip_targ=no
2948 case $ac_arg in
2949changequote(,)
2950 --with-* | --without-*)
2951 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2952
2953 case $libopt in
2954 *[-_]include)
2955 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2956 ;;
2957 *[-_]lib)
2958 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2959 ;;
2960 *)
2961 lib=$libopt
2962 ;;
2963 esac
2964changequote([,])
2965
2966 case $lib in
4a9bb2aa 2967 mpc | mpfr | gmp | isl)
29a63921
AO		 2968 # If we're processing --with-$lib, --with-$lib-include or
2969 # --with-$lib-lib, for one of the libs above, and target is
2970 # different from host, don't pass the current argument to any
2971 # target library's configure.
2972 if test x$is_cross_compiler = xyes; then
2973 skip_targ=yes
2974 fi
2975 ;;
2976 esac
2977 ;;
2978 esac
2979
1c710c3c 2980 case "$ac_arg" in
f1a036e4
NC		 2981 --cache-file=/dev/null | \
2982 -cache-file=/dev/null )
2983 # Handled here to avoid the test to skip args below.
2984 baseargs="$baseargs '$ac_arg'"
29a63921 2985 tbaseargs="$tbaseargs '$ac_arg'"
f1a036e4
NC		 2986 # Assert: $separate_arg should always be no.
2987 keep_next=$separate_arg
2988 ;;
1c710c3c
DJ		 2989 --no*)
2990 continue
2991 ;;
2992 --c* | \
2993 --sr* | \
2994 --ho* | \
2995 --bu* | \
2996 --t* | \
2997 --program-* | \
2998 -cache_file* | \
2999 -srcdir* | \
3000 -host* | \
3001 -build* | \
3002 -target* | \
3003 -program-prefix* | \
3004 -program-suffix* | \
3005 -program-transform-name* )
3006 skip_next=$separate_arg
3007 continue
3008 ;;
3009 -*)
3010 # An option. Add it.
3011 case $ac_arg in
3012 *\'*)
3013 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3014 esac
3015 baseargs="$baseargs '$ac_arg'"
29a63921
AO		 3016 if test X"$skip_targ" = Xno; then
3017 tbaseargs="$tbaseargs '$ac_arg'"
3018 fi
1c710c3c
DJ		 3019 keep_next=$separate_arg
3020 ;;
3021 *)
3022 # Either a variable assignment, or a nonopt (triplet). Don't
3023 # pass it down; let the Makefile handle this.
3024 continue
3025 ;;
3026 esac
3027done
3028# Remove the initial space we just introduced and, as these will be
3029# expanded by make, quote '$'.
3030baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
6599da04 3031
43bb47c2
DJ		 3032# Add in --program-transform-name, after --program-prefix and
3033# --program-suffix have been applied to it. Autoconf has already
3034# doubled dollar signs and backslashes in program_transform_name; we want
3035# the backslashes un-doubled, and then the entire thing wrapped in single
3036# quotes, because this will be expanded first by make and then by the shell.
3037# Also, because we want to override the logic in subdir configure scripts to
3038# choose program_transform_name, replace any s,x,x, with s,y,y,.
3039sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3040${program_transform_name}
3041EOF_SED
3042gcc_transform_name=`cat conftestsed.out`
3043rm -f conftestsed.out
3044baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
29a63921 3045tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
d9acb717
RW		 3046if test "$silent" = yes; then
3047 baseargs="$baseargs --silent"
29a63921 3048 tbaseargs="$tbaseargs --silent"
d9acb717 3049fi
0115d4a3 3050baseargs="$baseargs --disable-option-checking"
29a63921 3051tbaseargs="$tbaseargs --disable-option-checking"
43bb47c2 3052
ffedf511
RW		 3053# Record and document user additions to sub configure arguments.
3054AC_ARG_VAR([build_configargs],
3055 [additional configure arguments for build directories])
3056AC_ARG_VAR([host_configargs],
3057 [additional configure arguments for host directories])
3058AC_ARG_VAR([target_configargs],
3059 [additional configure arguments for target directories])
3060
e490616e
ZW		 3061# For the build-side libraries, we just need to pretend we're native,
3062# and not use the same cache file. Multilibs are neither needed nor
3d96b0d0
HPN		 3063# desired. We can't even use the same cache file for all build-side
3064# libraries, as they're compiled differently; some with C, some with
3065# C++ or with different feature-enabling options.
3066build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
e254d6b5 3067
4977bab6
ZW		 3068# For host modules, accept cache file option, or specification as blank.
3069case "${cache_file}" in
3070"") # empty
3071 cache_file_option="" ;;
671aa708 3072/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
4977bab6
ZW		 3073 cache_file_option="--cache-file=${cache_file}" ;;
3074*) # relative path
3075 cache_file_option="--cache-file=../${cache_file}" ;;
3076esac
3077
09438bde
NN		 3078# Host dirs don't like to share a cache file either, horribly enough.
3079# This seems to be due to autoconf 2.5x stupidity.
ffedf511 3080host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
4977bab6 3081
29a63921 3082target_configargs="$target_configargs ${tbaseargs}"
e490616e 3083
6599da04
JM		 3084# Passing a --with-cross-host argument lets the target libraries know
3085# whether they are being built with a cross-compiler or being built
3086# native. However, it would be better to use other mechanisms to make the
3087# sorts of decisions they want to make on this basis. Please consider
3088# this option to be deprecated. FIXME.
aeaa0f2f 3089if test x${is_cross_compiler} = xyes ; then
1c710c3c 3090 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
6599da04
JM		 3091fi
3092
79e0604d
FXC		 3093# Special user-friendly check for native x86_64-linux build, if
3094# multilib is not explicitly enabled.
3095case "$target:$have_compiler:$host:$target:$enable_multilib" in
3096 x86_64-*linux*:yes:$build:$build:)
e640447c 3097 # Make sure we have a development environment that handles 32-bit
79e0604d
FXC		 3098 dev64=no
3099 echo "int main () { return 0; }" > conftest.c
3100 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3101 if test $? = 0 ; then
3102 if test -s conftest || test -s conftest.exe ; then
3103 dev64=yes
3104 fi
3105 fi
3106 rm -f conftest*
3107 if test x${dev64} != xyes ; then
e640447c 3108 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
79e0604d
FXC		 3109 fi
3110 ;;
3111esac
3112
dc683a3f
RW		 3113# Default to --enable-multilib.
3114if test x${enable_multilib} = x ; then
3fedb745 3115 target_configargs="--enable-multilib ${target_configargs}"
dc683a3f 3116fi
6599da04 3117
5d4a5ee6
JL		 3118# Pass --with-newlib if appropriate. Note that target_configdirs has
3119# changed from the earlier setting of with_newlib.
aeaa0f2f 3120if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3fedb745 3121 target_configargs="--with-newlib ${target_configargs}"
5d4a5ee6
JL		 3122fi
3123
6b9eb62c
NN		 3124# Different target subdirs use different values of certain variables
3125# (notably CXX). Worse, multilibs use *lots* of different values.
3126# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3127# it doesn't automatically accept command-line overrides of them.
3128# This means it's not safe for target subdirs to share a cache file,
3129# which is disgusting, but there you have it. Hopefully this can be
3130# fixed in future. It's still worthwhile to use a cache file for each
3131# directory. I think.
3132
bebcd931
MS		 3133# Pass the appropriate --build, --host, --target and --cache-file arguments.
3134# We need to pass --target, as newer autoconf's requires consistency
3135# for target_alias and gcc doesn't manage it consistently.
e69bf64b 3136target_configargs="--cache-file=./config.cache ${target_configargs}"
e490616e 3137
b87487b6 3138FLAGS_FOR_TARGET=
bb654703 3139case " $target_configdirs " in
7965440a 3140 *" newlib "*)
3fedb745 3141 case " $target_configargs " in
7965440a 3142 *" --with-newlib "*)
b87487b6 3143 case "$target" in
5d571eaa 3144 *-cygwin*)
443e6238 3145 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
5d571eaa 3146 ;;
b87487b6
AO		 3147 esac
3148
afd7db25 3149 # If we're not building GCC, don't discard standard headers.
ef40bc65 3150 if test -d ${srcdir}/gcc; then
d4eb109c 3151 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
afd7db25
AO		 3152
3153 if test "${build}" != "${host}"; then
3154 # On Canadian crosses, CC_FOR_TARGET will have already been set
3155 # by `configure', so we won't have an opportunity to add -Bgcc/
3156 # to it. This is right: we don't want to search that directory
3157 # for binaries, but we want the header files in there, so add
3158 # them explicitly.
0463992b 3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
afd7db25
AO		 3160
3161 # Someone might think of using the pre-installed headers on
3162 # Canadian crosses, in case the installed compiler is not fully
3163 # compatible with the compiler being built. In this case, it
3164 # would be better to flag an error than risking having
3165 # incompatible object files being constructed. We can't
3166 # guarantee that an error will be flagged, but let's hope the
3167 # compiler will do it, when presented with incompatible header
3168 # files.
3169 fi
d4eb109c
AO		 3170 fi
3171
ab50d72b 3172 case "${target}-${is_cross_compiler}" in
f2a0e225 3173 i[[3456789]]86-*-linux*-no)
ab50d72b
DD		 3174 # Here host == target, so we don't need to build gcc,
3175 # so we don't want to discard standard headers.
3176 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
ab50d72b
DD		 3177 ;;
3178 *)
3179 # If we're building newlib, use its generic headers last, but search
3180 # for any libc-related directories first (so make it the last -B
3181 # switch).
3182 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
c03353e2
RIL		 3183
3184 # If we're building libgloss, find the startup file, simulator library
3185 # and linker script.
3186 case " $target_configdirs " in
3187 *" libgloss "*)
3188 # Look for startup file, simulator library and maybe linker script.
3189 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3190 # Look for libnosys.a in case the target needs it.
3191 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3192 # Most targets have the linker script in the source directory.
3193 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3194 ;;
3195 esac
ab50d72b
DD		 3196 ;;
3197 esac
b87487b6 3198 ;;
7965440a
AO		 3199 esac
3200 ;;
b87487b6 3201esac
5d571eaa 3202
b91f0a41 3203case "$target" in
5d571eaa
OS		 3204 x86_64-*mingw* | *-w64-mingw*)
3205 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3206 # however, use a symlink named 'mingw' in ${prefix} .
3207 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3208 ;;
3209 *-mingw*)
3210 # MinGW can't be handled as Cygwin above since it does not use newlib.
3211 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3212 ;;
b91f0a41 3213esac
d4eb109c 3214
6691a79e
ME		 3215# Allow the user to override the flags for
3216# our build compiler if desired.
f019adc1
MF		 3217if test x"${build}" = x"${host}" ; then
3218 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3219 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3220 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3221fi
6691a79e 3222
d4eb109c
AO		 3223# On Canadian crosses, we'll be searching the right directories for
3224# the previously-installed cross compiler, so don't bother to add
3225# flags for directories within the install tree of the compiler
3226# being built; programs in there won't even run.
ef40bc65 3227if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
b87487b6 3228 # Search for pre-installed headers if nothing else fits.
9124bc53 3229 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
b87487b6 3230fi
d4eb109c 3231
bb654703 3232if test "x${use_gnu_ld}" = x &&
55380b08 3233 echo " ${configdirs} " | grep " ld " > /dev/null ; then
b87487b6 3234 # Arrange for us to find uninstalled linker scripts.
215c351a 3235 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
b87487b6
AO		 3236fi
3237
e88a2c09
DD		 3238# Search for other target-specific linker scripts and such.
3239case "${target}" in
3e19841a
PB		 3240 mep*)
3241 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3242 ;;
e88a2c09
DD		 3243esac
3244
671aa708 3245# Makefile fragments.
7b61653a
PE		 3246for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3247do
3248 eval fragval=\$$frag
3249 if test $fragval != /dev/null; then
3250 eval $frag=${srcdir}/$fragval
3251 fi
3252done
671aa708
NN		 3253AC_SUBST_FILE(host_makefile_frag)
3254AC_SUBST_FILE(target_makefile_frag)
3255AC_SUBST_FILE(alphaieee_frag)
3256AC_SUBST_FILE(ospace_frag)
3257
3258# Miscellanea: directories, flags, etc.
671aa708 3259AC_SUBST(RPATH_ENVVAR)
d89f0ad6 3260AC_SUBST(GCC_SHLIB_SUBDIR)
671aa708
NN		 3261AC_SUBST(tooldir)
3262AC_SUBST(build_tooldir)
ef9db8d5 3263AC_SUBST(CONFIGURE_GDB_TK)
671aa708 3264AC_SUBST(GDB_TK)
ef9db8d5 3265AC_SUBST(INSTALL_GDB_TK)
671aa708
NN		 3266
3267# Build module lists & subconfigure args.
671aa708 3268AC_SUBST(build_configargs)
23f6b2f9 3269AC_SUBST(build_configdirs)
671aa708
NN		 3270
3271# Host module lists & subconfigure args.
3272AC_SUBST(host_configargs)
3273AC_SUBST(configdirs)
aae29963 3274AC_SUBST(target_configdirs)
671aa708
NN		 3275
3276# Target module lists & subconfigure args.
671aa708 3277AC_SUBST(target_configargs)
ee2312f3 3278
671aa708
NN		 3279
3280# Build tools.
0999159b
PB		 3281AC_SUBST(AR_FOR_BUILD)
3282AC_SUBST(AS_FOR_BUILD)
671aa708 3283AC_SUBST(CC_FOR_BUILD)
0999159b
PB		 3284AC_SUBST(CFLAGS_FOR_BUILD)
3285AC_SUBST(CXXFLAGS_FOR_BUILD)
3286AC_SUBST(CXX_FOR_BUILD)
3287AC_SUBST(DLLTOOL_FOR_BUILD)
3288AC_SUBST(GCJ_FOR_BUILD)
3289AC_SUBST(GFORTRAN_FOR_BUILD)
632e2a07 3290AC_SUBST(GOC_FOR_BUILD)
0999159b
PB		 3291AC_SUBST(LDFLAGS_FOR_BUILD)
3292AC_SUBST(LD_FOR_BUILD)
3293AC_SUBST(NM_FOR_BUILD)
3294AC_SUBST(RANLIB_FOR_BUILD)
3295AC_SUBST(WINDMC_FOR_BUILD)
3296AC_SUBST(WINDRES_FOR_BUILD)
671aa708 3297
2abefe3d
PB		 3298# Generate default definitions for YACC, M4, LEX and other programs that run
3299# on the build machine. These are used if the Makefile can't locate these
3300# programs in objdir.
3301MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3302
3303AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3304case " $build_configdirs " in
3305 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2abefe3d
PB		 3306esac
3307
3308AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3309case " $build_configdirs " in
3310 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3311esac
3312
3313AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3314case " $build_configdirs " in
3315 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3316esac
3317
3318AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3319case " $build_configdirs " in
3320 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3321 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3322esac
3323
3324AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3325case " $build_configdirs " in
3326 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3327esac
3328
3329AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3330case " $build_configdirs " in
3331 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3332 *)
3333changequote(,)
d18ff35a 3334 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2abefe3d
PB		 3335 # higher, else we use the "missing" dummy.
3336 if ${MAKEINFO} --version \
d18ff35a 3337 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2abefe3d
PB		 3338 :
3339 else
3340 MAKEINFO="$MISSING makeinfo"
3341 fi
3342 ;;
3343changequote([,])
3344esac
3345
3346# FIXME: expect and dejagnu may become build tools?
3347
3348AC_CHECK_PROGS(EXPECT, expect, expect)
3349case " $configdirs " in
3350 *" expect "*)
3351 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3352 ;;
3353esac
3354
3355AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3356case " $configdirs " in
3357 *" dejagnu "*)
c394e891 3358 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2abefe3d
PB		 3359 ;;
3360esac
3361
3362
671aa708 3363# Host tools.
2693c0b0
PB		 3364NCN_STRICT_CHECK_TOOLS(AR, ar)
3365NCN_STRICT_CHECK_TOOLS(AS, as)
3366NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3367NCN_STRICT_CHECK_TOOLS(LD, ld)
2abefe3d 3368NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2693c0b0 3369NCN_STRICT_CHECK_TOOLS(NM, nm)
8927b7c0
RO		 3370NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3371NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
2693c0b0 3372NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
901119ae 3373NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2693c0b0
PB		 3374NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3375NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
e7a82751 3376NCN_STRICT_CHECK_TOOLS(READELF, readelf)
671aa708
NN		 3377AC_SUBST(CC)
3378AC_SUBST(CXX)
3379AC_SUBST(CFLAGS)
3380AC_SUBST(CXXFLAGS)
671aa708 3381
2abefe3d 3382# Target tools.
e8b05380 3383AC_ARG_WITH([build-time-tools],
33e39b66
AS		 3384 [AS_HELP_STRING([--with-build-time-tools=PATH],
3385 [use given path to find target tools during the build])],
e8b05380
PB		 3386 [case x"$withval" in
3387 x/*) ;;
3388 *)
3389 with_build_time_tools=
3390 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3391 ;;
3392 esac],
3393 [with_build_time_tools=])
3394
2693c0b0
PB		 3395NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3396NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2693c0b0
PB		 3397NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3398NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3399NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
632e2a07 3400NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
e8b05380
PB		 3401
3402ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3403ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3404ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3405ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3406ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3407ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
9bccfdf5 3408ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
e8b05380 3409ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
8927b7c0 3410ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
e7a82751 3411ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
e8b05380
PB		 3412ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3413ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
901119ae 3414ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
4de997d1 3415
2abefe3d
PB		 3416RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3417
3418GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3419GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3420GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
b3f122e0 3421dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
2abefe3d 3422GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2077db1b 3423 [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		 3424 c++)
3425GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2077db1b 3426 [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		 3427 c++)
3428GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3429GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3430GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3431 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3432GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3433 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
632e2a07
ILT		 3434GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3435 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
2abefe3d
PB		 3436GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3437GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3438GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
ec8fd1c0 3439GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
2abefe3d
PB		 3440GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3441GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
e7a82751 3442GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
455c8f48 3443GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
2abefe3d 3444GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
901119ae 3445GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
4de997d1 3446
2abefe3d 3447AC_SUBST(FLAGS_FOR_TARGET)
4de997d1 3448AC_SUBST(RAW_CXX_FOR_TARGET)
be912515 3449
671aa708
NN		 3450# Certain tools may need extra flags.
3451AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3452RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3453NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
6599da04 3454
2abefe3d
PB		 3455# When building target libraries, except in a Canadian cross, we use
3456# the same toolchain as the compiler we just built.
3457COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3458COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3459COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3460if test $host = $build; then
3461 case " $configdirs " in
3462 *" gcc "*)
3463 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3464 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3465 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3466 ;;
3467 esac
3468fi
3469
3470AC_SUBST(COMPILER_AS_FOR_TARGET)
3471AC_SUBST(COMPILER_LD_FOR_TARGET)
3472AC_SUBST(COMPILER_NM_FOR_TARGET)
3473
ee03dc5e
AO		 3474AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3475AC_ARG_ENABLE(maintainer-mode,
33e39b66
AS		 3476[AS_HELP_STRING([--enable-maintainer-mode],
3477 [enable make rules and dependencies not useful
3478 (and sometimes confusing) to the casual installer])],
ee03dc5e
AO		 3479 USE_MAINTAINER_MODE=$enableval,
3480 USE_MAINTAINER_MODE=no)
3481AC_MSG_RESULT($USE_MAINTAINER_MODE)
3482AC_SUBST(MAINTAINER_MODE_TRUE)
3483AC_SUBST(MAINTAINER_MODE_FALSE)
3484if test "$USE_MAINTAINER_MODE" = yes; then
3485 MAINTAINER_MODE_TRUE=
3486 MAINTAINER_MODE_FALSE='#'
3487else
3488 MAINTAINER_MODE_TRUE='#'
3489 MAINTAINER_MODE_FALSE=
3490fi
3491MAINT=$MAINTAINER_MODE_TRUE
3492AC_SUBST(MAINT)dnl
3493
2805b53a
NN		 3494# ---------------------
3495# GCC bootstrap support
3496# ---------------------
3497
3498# Stage specific cflags for build.
3499stage1_cflags="-g"
3500case $build in
3501 vax-*-*)
3502 case ${GCC} in
3503 yes) stage1_cflags="-g -Wa,-J" ;;
3504 *) stage1_cflags="-g -J" ;;
3505 esac ;;
2805b53a 3506esac
0b50988a 3507
2805b53a
NN		 3508AC_SUBST(stage1_cflags)
3509
8efea775
PB		 3510# Enable --enable-checking in stage1 of the compiler.
3511AC_ARG_ENABLE(stage1-checking,
33e39b66
AS		 3512[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3513 [choose additional checking for stage1 of the compiler])],
8efea775 3514[stage1_checking=--enable-checking=${enable_stage1_checking}],
e643dc23 3515[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
c10b5ea0
JJ		 3516 # For --disable-checking or implicit --enable-checking=release, avoid
3517 # setting --enable-checking=gc in the default stage1 checking for LTO
3518 # bootstraps. See PR62077.
c10b5ea0
JJ		 3519 case $BUILD_CONFIG in
3520 *lto*)
7db11a5a
JJ		 3521 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3522 *)
3523 stage1_checking=--enable-checking=yes,types;;
c10b5ea0 3524 esac
7db11a5a
JJ		 3525 if test "x$enable_checking" = x && \
3526 test -d ${srcdir}/gcc && \
3527 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
c100769b 3528 stage1_checking=--enable-checking=yes,types,extra
7db11a5a 3529 fi
8efea775 3530else
e643dc23 3531 stage1_checking=--enable-checking=$enable_checking,types
8efea775
PB		 3532fi])
3533AC_SUBST(stage1_checking)
3534
2805b53a 3535# Enable -Werror in bootstrap stage2 and later.
2805b53a 3536AC_ARG_ENABLE(werror,
33e39b66
AS		 3537[AS_HELP_STRING([--enable-werror],
3538 [enable -Werror in bootstrap stage2 and later])], [],
416cfb5e 3539[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
88fceb68
PB		 3540 enable_werror=yes
3541else
3542 enable_werror=no
3543fi])
09a9c095
NN		 3544case ${enable_werror} in
3545 yes) stage2_werror_flag="--enable-werror-always" ;;
3546 *) stage2_werror_flag="" ;;
2805b53a 3547esac
09a9c095 3548AC_SUBST(stage2_werror_flag)
2805b53a 3549
459260ec
DM		 3550# Enable --enable-host-shared.
3551AC_ARG_ENABLE(host-shared,
3552[AS_HELP_STRING([--enable-host-shared],
3553 [build host code as shared libraries])],
3554[host_shared=$enableval], [host_shared=no])
3555AC_SUBST(host_shared)
3556
231d020b
DM		 3557# PR jit/64780: Require the user to explicitly specify
3558# --enable-host-shared if the jit is enabled, hinting
3559# that they might want to do a separate configure/build of
3560# the jit, to avoid users from slowing down the rest of the
3561# compiler by enabling the jit.
3562if test ${host_shared} = "no" ; then
3563 case "${enable_languages}" in
3564 *jit*)
3565 AC_MSG_ERROR([
3566Enabling language "jit" requires --enable-host-shared.
3567
3568--enable-host-shared typically slows the rest of the compiler down by
3569a few %, so you must explicitly enable it.
3570
3571If you want to build both the jit and the regular compiler, it is often
3572best to do this via two separate configure/builds, in separate
3573directories, to avoid imposing the performance cost of
3574--enable-host-shared on the regular compiler.])
3575 ;;
3576 *)
3577 ;;
3578 esac
3579fi
3580
f2689b09
SE		 3581# Specify what files to not compare during bootstrap.
3582
3583compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3584case "$target" in
3585 hppa*64*-*-hpux*) ;;
3586 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
d7a29167 3587 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
f2689b09
SE		 3588esac
3589AC_SUBST(compare_exclusions)
3590
3e54529c
RW		 3591AC_CONFIG_FILES([Makefile],
3592 [sed "$extrasub_build" Makefile |
3593 sed "$extrasub_host" |
3594 sed "$extrasub_target" > mf$$
3595 mv -f mf$$ Makefile],
3596 [extrasub_build="$extrasub_build"
3597 extrasub_host="$extrasub_host"
3598 extrasub_target="$extrasub_target"])
3599AC_OUTPUT
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