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Add MIPS-64 support.
[deliverable/binutils-gdb.git] / configure.ac
CommitLineData
92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
1b6c0831 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
52cf9762 3# 2014, 2015, 2016 Free Software Foundation, Inc.
252b5132
RH		 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
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 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
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
7ec59b9e 31m4_include([config/isl.m4])
656fdd47 32
a0da8069 33AC_INIT(move-if-change)
d444d2ba 34AC_PREREQ(2.64)
34a0f3cf 35AC_DISABLE_OPTION_CHECKING
c6b750e1 36
5b553f7e
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
c6b750e1
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
a0da8069
NN		 79AC_CANONICAL_SYSTEM
80AC_ARG_PROGRAM
81
c6b750e1 82m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 83m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 84
e5c3f801
NN		 85# Get 'install' or 'install-sh' and its variants.
86AC_PROG_INSTALL
656fdd47 87ACX_PROG_LN
dfdffa2c 88AC_PROG_LN_S
8e957354
PB		 89AC_PROG_SED
90AC_PROG_AWK
e5c3f801 91
0fdbe983
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
a0da8069
NN		 100# Set srcdir to "." if that's what it is.
101# This is important for multilib support.
102pwd=`${PWDCMD-pwd}`
a0da8069
NN		 103if test "${pwd}" = "${srcpwd}" ; then
104 srcdir=.
105fi
106
107topsrcdir=$srcpwd
252b5132 108
ae831be5 109extra_host_args=
afefada0 110
252b5132
RH		 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
a2cc058a 113### (library or tools, host or target), doing a dependency sort.
252b5132 114
7ec59b9e 115# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 116# configdirs, or target_configdirs; see the serialization section below.
117
7ec59b9e
L		 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
a2cc058a
NN		 120# the Makefile, whether or not it's implicitly specified here.
121
122# Double entries in build_configdirs, configdirs, or target_configdirs may
123# cause circular dependencies and break everything horribly.
252b5132 124
6a9cf61e
PB		 125# these library is used by various programs built for the build
126# environment
127#
1b6c0831 128build_libs="build-libiberty build-libcpp"
6a9cf61e
PB		 129
130# these tools are built for the build environment
a90ef4bf 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 132
252b5132 133# these libraries are used by various programs built for the host environment
1b6c0831
L		 134#f
135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
252b5132 136
252b5132
RH		 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.
2af579c4
NN		 140# binutils, gas and ld appear in that order because it makes sense to run
141# "make check" in that particular order.
e6de499b 142# If --enable-gold is used, "gold" may replace "ld".
1b6c0831 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"
75205f78
DD		 144
145# libgcj represents the runtime libraries only used by gcj.
146libgcj="target-libffi \
75205f78 147 target-zlib \
75205f78 148 target-libjava"
252b5132
RH		 149
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)
ffdd6afc 152# Note that libiberty is not a target library.
b1299c4e 153target_libraries="target-libgcc \
2bf680c4 154 target-libbacktrace \
252b5132
RH		 155 target-libgloss \
156 target-newlib \
cff87f51 157 target-libgomp \
522e3d71 158 target-libcilkrts \
1b6c0831 159 target-liboffloadmic \
7ec59b9e 160 target-libatomic \
d32e2926 161 target-libitm \
b9459e83 162 target-libstdc++-v3 \
5286fdef 163 target-libsanitizer \
95e43135 164 target-libvtv \
1b6c0831 165 target-libmpx \
bb780410 166 target-libssp \
e552509b 167 target-libquadmath \
4b1cb4fe 168 target-libgfortran \
4f0ef2d8 169 target-boehm-gc \
83326456 170 ${libgcj} \
a2592b1b 171 target-libobjc \
e552509b
ILT		 172 target-libada \
173 target-libgo"
252b5132 174
9c14acb8
NN		 175# these tools are built using the target libraries, and are intended to
176# run only in the target environment
252b5132 177#
9c14acb8 178# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 179# list belongs in this list.
252b5132 180#
a90ef4bf 181target_tools="target-rda"
252b5132
RH		 182
183################################################################################
184
252b5132
RH		 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.
252b5132 190configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 191target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 192build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 193
9cc8ae67 194m4_divert_text([PARSE_ARGS],
6d0cd39e
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'`
9cc8ae67
PB		 203])
204
252b5132
RH		 205################################################################################
206
252b5132
RH		 207srcname="gnu development package"
208
209# This gets set non-empty for some net releases of packages.
210appdirs=""
211
c712250a
DD		 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
7ec59b9e 218fi
c712250a 219
9175bfc0 220# Find the build and target subdir names.
dd12c3a8 221GCC_TOPLEV_SUBDIRS
2fd0b40b
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
252b5132 227
f48556b1
DD		 228# Skipdirs are removed silently.
229skipdirs=
230# Noconfigdirs are removed loudly.
231noconfigdirs=""
252b5132 232
f48556b1
DD		 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
93f9b408 237 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 238fi
239
f48556b1
DD		 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"
252b5132
RH		 245fi
246
700d40ca 247use_included_zlib=
cf39cfc5
L		 248AC_ARG_WITH(system-zlib,
249[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
700d40ca
ILT		 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
7ec59b9e 256# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 257# it's not even worth trying to configure, much less build, that tool.
252b5132 258
f48556b1
DD		 259case ${with_x} in
260 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 261 no)
675c6968 262 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 263 # We won't be able to build gdbtk without X.
7ec59b9e 264 enable_gdbtk=no
ff0a3bf8 265 ;;
f48556b1
DD		 266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267esac
252b5132 268
0377a422 269# Some are only suitable for cross toolchains.
405ea7a0
NN		 270# Remove these if host=target.
271cross_only="target-libgloss target-newlib target-opcodes"
252b5132 272
f48556b1
DD		 273case $is_cross_compiler in
274 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 275esac
252b5132 276
a32d391c
DD		 277# If both --with-headers and --with-libs are specified, default to
278# --without-newlib.
32be62b5
RS		 279if test x"${with_headers}" != x && test x"${with_headers}" != xno \
280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
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
1b6c0831
L		 292AC_ARG_ENABLE(as-accelerator-for,
293[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
294 [build as offload target compiler.
295 Specify offload host triple by ARG])])
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
c7791212
NC		 308# Handle --enable-gold, --enable-ld.
309# --disable-gold [--enable-ld]
310# Build only ld. Default option.
d3b50760
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]
c7791212
NC		 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
d3b50760
L		 320# Build both gold (installed as "ld.gold") and ld (installed as "ld"
321# and ld.bfd).
c7791212
NC		 322# In other words, ld is default
323# --enable-gold=default --enable-ld=default
324# Error.
325
326default_ld=
93f9b408 327AC_ARG_ENABLE(gold,
7837304f
AS		 328[AS_HELP_STRING([[--enable-gold[=ARG]]],
329 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 330ENABLE_GOLD=$enableval,
331ENABLE_GOLD=no)
c7791212
NC		 332case "${ENABLE_GOLD}" in
333 yes|default)
e6de499b
NC		 334 # Check for ELF target.
335 is_elf=no
336 case "${target}" in
337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
2bda3143 340 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 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.
93f9b408 352 case "${target}" in
6d26190c
JY		 353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
354 | aarch64*-*-* | tilegx*-*-*)
c7791212
NC		 355 configdirs="$configdirs gold"
356 if test x${ENABLE_GOLD} = xdefault; then
357 default_ld=gold
358 fi
e6de499b 359 ENABLE_GOLD=yes
93f9b408
ILT		 360 ;;
361 esac
e6de499b
NC		 362 fi
363 ;;
364 no)
365 ;;
366 *)
367 AC_MSG_ERROR([invalid --enable-gold argument])
368 ;;
c7791212
NC		 369esac
370
371AC_ARG_ENABLE(ld,
7837304f
AS		 372[AS_HELP_STRING([[--enable-ld[=ARG]]],
373 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 374ENABLE_LD=$enableval,
375ENABLE_LD=yes)
376
377case "${ENABLE_LD}" in
378 default)
d3b50760 379 if test x${default_ld} != x; then
c7791212
NC		 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
93f9b408 395
edeefb67
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,
6c3bc0f8 400[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
edeefb67
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
252b5132
RH		 409# Configure extra directories which are host specific
410
411case "${host}" in
f48556b1 412 *-cygwin*)
3866be5d 413 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 414esac
415
59f7ec45
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
7ec59b9e 420# Remove more programs from consideration, based on the host or
252b5132
RH		 421# target this usually means that a port of the program doesn't
422# exist yet.
423
252b5132 424case "${host}" in
3516a403 425 i[[3456789]]86-*-msdosdjgpp*)
6a608608 426 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 427 ;;
252b5132
RH		 428esac
429
4b1cb4fe 430
89a1e9c3
PB		 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
a2592b1b 452AC_ARG_ENABLE(libada,
7837304f 453[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 454ENABLE_LIBADA=$enableval,
455ENABLE_LIBADA=yes)
456if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 457 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 458fi
459
5f128533 460AC_ARG_ENABLE(libssp,
7837304f 461[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 462ENABLE_LIBSSP=$enableval,
463ENABLE_LIBSSP=yes)
5f128533 464
f66a9a70
L		 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
1b6c0831 471 noconfigdirs="$noconfigdirs target-libstdc++-v3"
f66a9a70
L		 472fi]
473
1b6c0831
L		 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],
487[if test x"$enable_as_accelerator_for" != x; then
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
96111c10
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.
9e1a94f4
ILT		 522 # Don't disable libffi, though, other languages use it.
523 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 524 # Clear libgcj_saved so that even if java is enabled libffi won't be
525 # built.
526 libgcj_saved=
96111c10
AO		 527 ;;
528esac
529
ffdd6afc
ILT		 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)
4b1cb4fe 544
68996839 545# Enable libgomp by default on hosted POSIX systems, and a few others.
a6df5a19 546if test x$enable_libgomp = x ; then
b3ded179 547 case "${target}" in
29383458 548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 549 ;;
5b806d27 550 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 551 ;;
2479f722 552 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 553 ;;
554 *-*-darwin* | *-*-aix*)
555 ;;
68996839
NC		 556 nvptx*-*-*)
557 ;;
b3ded179
PB		 558 *)
559 noconfigdirs="$noconfigdirs target-libgomp"
560 ;;
561 esac
a6df5a19 562fi
b3ded179 563
7ec59b9e
L		 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
522e3d71 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
1b6c0831
L		 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
d32e2926
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
626fi
627
5286fdef
L		 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
95e43135
JBG		 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; \
650 test "$VTV_SUPPORTED" != "yes")
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
1b6c0831
L		 660
661# Enable libmpx on supported systems by request.
662if test -d ${srcdir}/libmpx; then
4849dfd8 663 if test x$enable_libmpx = x; then
1b6c0831
L		 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
1b6c0831
L		 674 fi
675fi
676
677
678
1488e230
DE		 679# Disable libquadmath for some systems.
680case "${target}" in
5286fdef
L		 681 avr-*-*)
682 noconfigdirs="$noconfigdirs target-libquadmath"
683 ;;
1488e230
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
065a5627
JM		 691# Disable libssp for some systems.
692case "${target}" in
693 avr-*-*)
c5f5c3c2 694 # No hosted I/O support.
065a5627
JM		 695 noconfigdirs="$noconfigdirs target-libssp"
696 ;;
697 powerpc-*-aix* | rs6000-*-aix*)
698 noconfigdirs="$noconfigdirs target-libssp"
699 ;;
99c513f6 700 rl78-*-*)
202e2356
NC		 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.
99c513f6
DD		 704 noconfigdirs="$noconfigdirs target-libssp"
705 ;;
1b6c0831
L		 706 visium-*-*)
707 # No hosted I/O support.
708 noconfigdirs="$noconfigdirs target-libssp"
709 ;;
065a5627
JM		 710esac
711
065a5627 712# Disable libstdc++-v3 for some systems.
f66a9a70
L		 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 ;;
969b1713
L		 727 ft32-*-*)
728 noconfigdirs="$noconfigdirs target-libstdc++-v3"
729 ;;
f66a9a70
L		 730 esac
731fi
065a5627
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
0827f9a6 741# Disable Java if libffi is not supported.
9863d716 742case "${target}" in
e7d5abf1
JBG		 743 aarch64-*-*)
744 ;;
0827f9a6
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 ;;
2479f722 765 mips*-*-rtems*)
0827f9a6
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*)
9863d716 780 ;;
0827f9a6
JM		 781 s390-*-* | s390x-*-*)
782 ;;
783 sh-*-* | sh[[34]]*-*-*)
784 ;;
785 sh64-*-* | sh5*-*-*)
786 ;;
787 sparc*-*-*)
788 ;;
789 x86_64-*-*)
790 ;;
791 *-*-*)
792 unsupported_languages="$unsupported_languages java"
793 ;;
794esac
795
796# Disable Java, libgcj or related libraries for some systems.
797case "${target}" in
9863d716
JM		 798 powerpc-*-darwin*)
799 ;;
800 i[[3456789]]86-*-darwin*)
801 ;;
802 x86_64-*-darwin[[912]]*)
803 ;;
804 *-*-darwin*)
805 noconfigdirs="$noconfigdirs ${libgcj}"
806 ;;
9863d716
JM		 807 *-*-netware*)
808 noconfigdirs="$noconfigdirs ${libgcj}"
809 ;;
810 *-*-rtems*)
811 noconfigdirs="$noconfigdirs ${libgcj}"
812 ;;
813 *-*-tpf*)
814 noconfigdirs="$noconfigdirs ${libgcj}"
815 ;;
816 *-*-uclinux*)
817 noconfigdirs="$noconfigdirs ${libgcj}"
818 ;;
819 *-*-vxworks*)
820 noconfigdirs="$noconfigdirs ${libgcj}"
821 ;;
9863d716
JM		 822 alpha*-*-*vms*)
823 noconfigdirs="$noconfigdirs ${libgcj}"
824 ;;
1b6c0831
L		 825 arm*-*-freebsd*)
826 noconfigdirs="$noconfigdirs ${libgcj}"
827 ;;
0827f9a6 828 arm-wince-pe)
9863d716
JM		 829 noconfigdirs="$noconfigdirs ${libgcj}"
830 ;;
9863d716
JM		 831 arm*-*-symbianelf*)
832 noconfigdirs="$noconfigdirs ${libgcj}"
833 ;;
9863d716 834 bfin-*-*)
9863d716
JM		 835 noconfigdirs="$noconfigdirs target-boehm-gc"
836 ;;
9863d716
JM		 837 cris-*-* | crisv32-*-*)
838 unsupported_languages="$unsupported_languages java"
839 case "${target}" in
840 *-*-linux*)
841 ;;
842 *) # See PR46792 regarding target-libffi.
843 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
844 esac
845 ;;
9863d716
JM		 846 hppa*64*-*-linux*)
847 # In this case, it's because the hppa64-linux target is for
848 # the kernel only at this point and has no libc, and thus no
849 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 850 unsupported_languages="$unsupported_languages java"
9863d716 851 ;;
82ae827f 852 hppa*64*-*-hpux*)
9863d716
JM		 853 noconfigdirs="$noconfigdirs ${libgcj}"
854 ;;
855 hppa*-hp-hpux11*)
856 ;;
82ae827f 857 hppa*-*-hpux*)
9863d716
JM		 858 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
859 # build on HP-UX 10.20.
860 noconfigdirs="$noconfigdirs ${libgcj}"
861 ;;
9863d716
JM		 862 ia64*-*-*vms*)
863 noconfigdirs="$noconfigdirs ${libgcj}"
864 ;;
9863d716
JM		 865 i[[3456789]]86-w64-mingw*)
866 noconfigdirs="$noconfigdirs ${libgcj}"
867 ;;
868 i[[3456789]]86-*-mingw*)
869 noconfigdirs="$noconfigdirs ${libgcj}"
870 ;;
871 x86_64-*-mingw*)
872 noconfigdirs="$noconfigdirs ${libgcj}"
873 ;;
9863d716
JM		 874 mmix-*-*)
875 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 876 ;;
877 powerpc-*-aix*)
878 # copied from rs6000-*-* entry
879 noconfigdirs="$noconfigdirs ${libgcj}"
880 ;;
9863d716
JM		 881 rs6000-*-aix*)
882 noconfigdirs="$noconfigdirs ${libgcj}"
883 ;;
3f8107ab
AM		 884 ft32-*-*)
885 noconfigdirs="$noconfigdirs ${libgcj}"
886 ;;
9863d716
JM		 887 *-*-lynxos*)
888 noconfigdirs="$noconfigdirs ${libgcj}"
1b6c0831
L		 889 ;;
890esac
891
892# Disable the go frontend on systems where it is known to not work. Please keep
893# this in sync with contrib/config-list.mk.
894case "${target}" in
895*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
896 unsupported_languages="$unsupported_languages go"
897 ;;
9863d716
JM		 898esac
899
a413f71a
ILT		 900# Disable libgo for some systems where it is known to not work.
901# For testing, you can easily override this with --enable-libgo.
902if test x$enable_libgo = x; then
903 case "${target}" in
904 *-*-darwin*)
905 # PR 46986
906 noconfigdirs="$noconfigdirs target-libgo"
907 ;;
908 *-*-cygwin* | *-*-mingw*)
909 noconfigdirs="$noconfigdirs target-libgo"
910 ;;
911 *-*-aix*)
912 noconfigdirs="$noconfigdirs target-libgo"
913 ;;
914 esac
915fi
916
691bb5a1
DD		 917# Default libgloss CPU subdirectory.
918libgloss_dir="$target_cpu"
4b1cb4fe 919
ff46fb8f
JM		 920case "${target}" in
921 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
922 libgloss_dir=wince
923 ;;
f1dd87fc
YZ		 924 aarch64*-*-* )
925 libgloss_dir=aarch64
926 ;;
ff46fb8f
JM		 927 arm*-*-*)
928 libgloss_dir=arm
929 ;;
930 cris-*-* | crisv32-*-*)
931 libgloss_dir=cris
932 ;;
933 hppa*-*-*)
934 libgloss_dir=pa
935 ;;
936 i[[3456789]]86-*-*)
937 libgloss_dir=i386
938 ;;
939 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
940 libgloss_dir=m68hc11
941 ;;
942 m68*-*-* | fido-*-*)
943 libgloss_dir=m68k
944 ;;
945 mips*-*-*)
946 libgloss_dir=mips
947 ;;
948 powerpc*-*-*)
949 libgloss_dir=rs6000
950 ;;
951 sparc*-*-*)
952 libgloss_dir=sparc
953 ;;
954esac
955
c7e4b184 956# Disable newlib and libgloss for various target OSes.
252b5132 957case "${target}" in
c7e4b184
JM		 958 alpha*-dec-osf*)
959 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
960 ;;
961 i[[3456789]]86-*-linux*)
962 # This section makes it possible to build newlib natively on linux.
963 # If we are using a cross compiler then don't configure newlib.
964 if test x${is_cross_compiler} != xno ; then
965 noconfigdirs="$noconfigdirs target-newlib"
966 fi
967 noconfigdirs="$noconfigdirs target-libgloss"
968 # If we are not using a cross compiler, do configure newlib.
969 # Note however, that newlib will only be configured in this situation
970 # if the --with-newlib option has been given, because otherwise
971 # 'target-newlib' will appear in skipdirs.
972 ;;
973 i[[3456789]]86-*-rdos*)
974 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
975 ;;
976 sh*-*-pe|mips*-*-pe|arm-wince-pe)
977 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
978 ;;
979 sparc-*-sunos4*)
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
981 ;;
982 *-*-aix*)
983 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
984 ;;
985 *-*-beos*)
986 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
987 ;;
75205f78 988 *-*-chorusos)
b2f14e4a 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 990 ;;
c7e4b184
JM		 991 *-*-dragonfly*)
992 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
993 ;;
994 *-*-freebsd*)
995 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 ;;
997 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
998 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
999 ;;
1000 *-*-lynxos*)
1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 1002 ;;
c7e4b184
JM		 1003 *-*-mingw*)
1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1005 ;;
1006 *-*-netbsd*)
1007 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1008 ;;
1009 *-*-netware*)
1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1011 ;;
1012 *-*-tpf*)
1013 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1014 ;;
1015 *-*-uclinux*)
1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1017 ;;
1018 *-*-vxworks*)
1019 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1020 ;;
1021esac
1022
1023case "${target}" in
1024 *-*-chorusos)
1025 ;;
f075eb5e
TG		 1026 aarch64-*-darwin*)
1027 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1028 noconfigdirs="$noconfigdirs sim target-rda"
1029 ;;
1030 arm-*-darwin*)
1031 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1032 noconfigdirs="$noconfigdirs sim target-rda"
1033 ;;
24741ab2 1034 powerpc-*-darwin*)
9d39db92 1035 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 1036 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 1037 ;;
85bd1942
TG		 1038 i[[3456789]]86-*-darwin*)
1039 noconfigdirs="$noconfigdirs ld gprof"
1040 noconfigdirs="$noconfigdirs sim target-rda"
1041 ;;
e8a5fa9c 1042 x86_64-*-darwin[[912]]*)
652dec25
TG		 1043 noconfigdirs="$noconfigdirs ld gas gprof"
1044 noconfigdirs="$noconfigdirs sim target-rda"
1045 ;;
04d1ab34 1046 *-*-darwin*)
d320aacb 1047 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 1048 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 1049 ;;
5b806d27 1050 *-*-dragonfly*)
5b806d27 1051 ;;
de0b4a87 1052 *-*-freebsd*)
4b1cb4fe
DD		 1053 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1054 && test -f /usr/local/include/gmp.h; then
1055 with_gmp=/usr/local
1056 fi
4b1cb4fe 1057 ;;
f8a495c8
NC		 1058 *-*-kaos*)
1059 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 1060 noconfigdirs="$noconfigdirs target-libgloss"
1061 ;;
e82380cc 1062 *-*-netbsd*)
e82380cc 1063 ;;
2a3124ca 1064 *-*-netware*)
252b5132
RH		 1065 ;;
1066 *-*-rtems*)
9863d716 1067 noconfigdirs="$noconfigdirs target-libgloss"
1f995db6
JS		 1068 # this is not caught below because this stanza matches earlier
1069 case $target in
1070 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1071 esac
252b5132 1072 ;;
1587117a
EC		 1073 # The tpf target doesn't support gdb yet.
1074 *-*-tpf*)
c7e4b184 1075 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 1076 ;;
c1968181 1077 *-*-uclinux*)
c7e4b184 1078 noconfigdirs="$noconfigdirs target-rda"
c1968181 1079 ;;
252b5132 1080 *-*-vxworks*)
252b5132
RH		 1081 ;;
1082 alpha*-dec-osf*)
e99daf2b 1083 # ld works, but does not support shared libraries.
252b5132 1084 # gas doesn't generate exception information.
c7e4b184 1085 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 1086 ;;
1087 alpha*-*-*vms*)
9863d716 1088 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 1089 ;;
252b5132
RH		 1090 alpha*-*-*)
1091 # newlib is not 64 bit ready
9863d716 1092 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 1093 ;;
2fb651f6 1094 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 1095 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 1096 ;;
f4cfb980 1097 arc-*-*|arceb-*-*)
782cb41f 1098 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 1099 ;;
1100 arm-*-pe*)
9863d716 1101 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1102 ;;
252b5132 1103 arm-*-riscix*)
b2f14e4a 1104 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1105 ;;
8e71395b
L		 1106 avr-*-rtems*)
1107 ;;
1108 avr-*-*)
1109 if test x${with_avrlibc} != xno; then
1110 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1111 fi
1112 ;;
ff72e302 1113 c4x-*-* | tic4x-*-*)
b2f14e4a 1114 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 1115 ;;
b2f14e4a
JM		 1116 tic54x-*-*)
1117 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 1118 ;;
252b5132 1119 d10v-*-*)
b2f14e4a 1120 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1121 ;;
252b5132 1122 d30v-*-*)
b2f14e4a 1123 noconfigdirs="$noconfigdirs gdb"
252b5132 1124 ;;
252b5132 1125 fr30-*-elf*)
9863d716 1126 noconfigdirs="$noconfigdirs gdb"
252b5132 1127 ;;
3f8107ab
AM		 1128 ft32-*-*)
1129 noconfigdirs="$noconfigdirs target-rda gprof"
1130 ;;
20135e4c 1131 moxie-*-*)
10b8fe5e 1132 noconfigdirs="$noconfigdirs"
20135e4c 1133 ;;
dd1e52a4 1134 h8300*-*-*)
9863d716 1135 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 1136 ;;
252b5132 1137 h8500-*-*)
b2f14e4a 1138 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1139 ;;
caeba88f 1140 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1141 ;;
5569a85f
JDA		 1142 hppa*64*-*-hpux*)
1143 noconfigdirs="$noconfigdirs gdb"
1144 ;;
1145 hppa*-*-hpux11*)
1146 noconfigdirs="$noconfigdirs gdb ld"
1147 ;;
93cc359e 1148 hppa*64*-*-linux*)
252b5132 1149 ;;
f0ff0f90 1150 hppa*-*-linux*)
5dcac624 1151 ;;
252b5132 1152 hppa*-*-*elf* | \
09e90eb4 1153 hppa*-*-lites* | \
17240c1f 1154 hppa*-*-openbsd* | \
09e90eb4 1155 hppa*64*-*-*)
4f0ef2d8 1156 ;;
691bb5a1 1157 hppa*-*-pro*)
691bb5a1 1158 ;;
252b5132 1159 hppa*-*-*)
9863d716 1160 noconfigdirs="$noconfigdirs ld"
252b5132 1161 ;;
b07c2aad 1162 i960-*-*)
b2f14e4a 1163 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1164 ;;
2315914d
JW		 1165 ia64*-*-elf*)
1166 # No gdb support yet.
0377a422 1167 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1168 ;;
a0c1c920 1169 ia64*-**-hpux*)
92c9a463 1170 # No ld support yet.
5569a85f 1171 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
a0c1c920 1172 ;;
19e99079 1173 ia64*-*-*vms*)
7ec59b9e
L		 1174 # No ld support yet.
1175 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1176 ;;
1f53ca9a 1177 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1178 ;;
1179 i[[3456789]]86-*-mingw*)
45055374 1180 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1181 ;;
252b5132
RH		 1182 *-*-cygwin*)
1183 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1184 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1185 # always build newlib if winsup directory is present.
45055374 1186 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1187 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1188 elif test -d "$srcdir/newlib"; then
45055374 1189 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1190 fi
1f53ca9a 1191 ;;
ec11bdc6 1192 i[[3456789]]86-*-pe)
782cb41f 1193 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1194 ;;
ec11bdc6 1195 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1196 # The linker does not yet know about weak symbols in COFF,
1197 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1198 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1199 ;;
ec11bdc6 1200 i[[3456789]]86-*-sco*)
b2f14e4a 1201 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1202 ;;
cff32a7c 1203 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1204 noconfigdirs="$noconfigdirs target-libgloss"
1205 ;;
ec11bdc6 1206 i[[3456789]]86-*-sysv4*)
b2f14e4a 1207 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1208 ;;
ec11bdc6 1209 i[[3456789]]86-*-beos*)
c7e4b184 1210 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1211 ;;
b59bea8a 1212 i[[3456789]]86-*-rdos*)
c7e4b184 1213 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1214 ;;
75205f78 1215 mmix-*-*)
9863d716 1216 noconfigdirs="$noconfigdirs gdb"
75205f78 1217 ;;
4970f871 1218 mt-*-*)
cdb9b172
AH		 1219 noconfigdirs="$noconfigdirs sim"
1220 ;;
252b5132
RH		 1221 powerpc-*-aix*)
1222 # copied from rs6000-*-* entry
c7e4b184 1223 noconfigdirs="$noconfigdirs gprof"
252b5132 1224 ;;
93cc359e 1225 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1226 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1227 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1228 # always build newlib.
1229 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1230 ;;
1231 # This is temporary until we can link against shared libraries
1232 powerpcle-*-solaris*)
b2f14e4a 1233 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1234 ;;
1235 powerpc-*-beos*)
c7e4b184 1236 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1237 ;;
1238 rs6000-*-lynxos*)
c7e4b184 1239 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1240 ;;
1241 rs6000-*-aix*)
c7e4b184 1242 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1243 ;;
1244 rs6000-*-*)
9863d716 1245 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1246 ;;
1247 m68k-apollo-*)
b2f14e4a 1248 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1249 ;;
25a07265 1250 microblaze*)
9863d716 1251 noconfigdirs="$noconfigdirs gprof"
25a07265 1252 ;;
a9d58c06 1253 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS		 1254 if test x$with_newlib = xyes; then
1255 noconfigdirs="$noconfigdirs gprof"
1256 fi
5bd8be13 1257 ;;
252b5132 1258 mips*-*-irix5*)
b2f14e4a 1259 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1260 ;;
1261 mips*-*-irix6*)
9863d716 1262 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1263 ;;
252b5132 1264 mips*-*-bsd*)
e8044f35 1265 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1266 ;;
fad93c55 1267 mips*-*-linux*)
fad93c55 1268 ;;
e8044f35
RS		 1269 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1270 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1271 noconfigdirs="$noconfigdirs ld gas gprof"
1272 ;;
252b5132 1273 mips*-*-*)
9863d716 1274 noconfigdirs="$noconfigdirs gprof"
252b5132 1275 ;;
b25b5cef
CJW		 1276 nds32*-*-*)
1277 noconfigdirs="$noconfigdirs gdb"
1278 ;;
1b6c0831 1279 nvptx*-*-*)
1b6c0831
L		 1280 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1281 ;;
cfbc1a6c
JS		 1282 or1k*-*-*)
1283 noconfigdirs="$noconfigdirs gdb"
1284 ;;
dbf85af7 1285 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1286 case "${target}" in
1287 sh*-*-elf)
9863d716 1288 ;;
e8a5fa9c 1289 *)
9863d716 1290 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1291 esac
252b5132 1292 ;;
252b5132 1293 sparc-*-sunos4*)
c7e4b184 1294 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1295 use_gnu_ld=no
1296 fi
1297 ;;
619a3713 1298 tic6x-*-*)
40ae9136 1299 noconfigdirs="$noconfigdirs sim"
619a3713 1300 ;;
68d122bb 1301 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC		 1302 noconfigdirs="$noconfigdirs sim"
1303 ;;
252b5132 1304 v810-*-*)
b2f14e4a 1305 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1306 ;;
1307 vax-*-*)
9863d716 1308 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1309 ;;
252b5132
RH		 1310esac
1311
1312# If we aren't building newlib, then don't build libgloss, since libgloss
1313# depends upon some newlib header files.
1314case "${noconfigdirs}" in
1315 *target-libgloss*) ;;
1316 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1317esac
252b5132 1318
f48556b1 1319# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1320host_makefile_frag=/dev/null
f48556b1
DD		 1321if test -d ${srcdir}/config ; then
1322case "${host}" in
ec11bdc6 1323 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1324 host_makefile_frag="config/mh-djgpp"
1325 ;;
1326 *-cygwin*)
e33b51a6 1327 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1328 host_makefile_frag="config/mh-cygwin"
1329 ;;
8a1599ab 1330 *-mingw*)
84e7906e 1331 host_makefile_frag="config/mh-mingw"
80f6dcbc 1332 ;;
ce6c656d
L		 1333 alpha*-linux*)
1334 host_makefile_frag="config/mh-alpha-linux"
1335 ;;
da888c87 1336 hppa*-hp-hpux10*)
da888c87 1337 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1338 ;;
3516a403 1339 hppa*-hp-hpux*)
da888c87
PB		 1340 host_makefile_frag="config/mh-pa"
1341 ;;
7ec59b9e 1342 hppa*-*)
da888c87
PB		 1343 host_makefile_frag="config/mh-pa"
1344 ;;
e552509b
ILT		 1345 *-*-darwin*)
1346 host_makefile_frag="config/mh-darwin"
0df3d27f 1347 ;;
f6d183c0
PB		 1348 powerpc-*-aix*)
1349 host_makefile_frag="config/mh-ppc-aix"
1350 ;;
1351 rs6000-*-aix*)
1352 host_makefile_frag="config/mh-ppc-aix"
1353 ;;
f48556b1
DD		 1354esac
1355fi
1356
9e07f89d 1357if test "${build}" != "${host}" ; then
b5714970
PB		 1358 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1359 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1360 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1361 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1362 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1363 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1364 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1365 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1366 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1367 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1368 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1369 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1370 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1371else
b5714970
PB		 1372 AR_FOR_BUILD="\$(AR)"
1373 AS_FOR_BUILD="\$(AS)"
9e07f89d 1374 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1375 CXX_FOR_BUILD="\$(CXX)"
1376 GCJ_FOR_BUILD="\$(GCJ)"
1377 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1378 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1379 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1380 LD_FOR_BUILD="\$(LD)"
1381 NM_FOR_BUILD="\$(NM)"
1382 RANLIB_FOR_BUILD="\$(RANLIB)"
1383 WINDRES_FOR_BUILD="\$(WINDRES)"
1384 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1385fi
9e07f89d 1386
24ff9987
DJ		 1387AC_PROG_CC
1388AC_PROG_CXX
1389
1390# We must set the default linker to the linker used by gcc for the correct
1391# operation of libtool. If LD is not defined and we are using gcc, try to
1392# set the LD default to the ld used by gcc.
1393if test -z "$LD"; then
1394 if test "$GCC" = yes; then
1395 case $build in
1396 *-*-mingw*)
1397 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1398 *)
1399 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1400 esac
1401 case $gcc_prog_ld in
1402 # Accept absolute paths.
1403 [[\\/]* | [A-Za-z]:[\\/]*)]
1404 LD="$gcc_prog_ld" ;;
1405 esac
1406 fi
9e07f89d
NN		 1407fi
1408
b3676d82
EB		 1409# Check whether -static-libstdc++ -static-libgcc is supported.
1410have_static_libs=no
1411if test "$GCC" = yes; then
1412 saved_LDFLAGS="$LDFLAGS"
1413
1414 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1415 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1416 AC_LANG_PUSH(C++)
a882be68
EB		 1417 AC_LINK_IFELSE([
1418#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1419#error -static-libstdc++ not implemented
1420#endif
1421int main() {}],
b3676d82
EB		 1422 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1423 [AC_MSG_RESULT([no])])
1424 AC_LANG_POP(C++)
1425
1426 LDFLAGS="$saved_LDFLAGS"
1427fi
1428
9e07f89d 1429ACX_PROG_GNAT
b8908782 1430ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1431
ffdd6afc
ILT		 1432AC_ARG_ENABLE([bootstrap],
1433[AS_HELP_STRING([--enable-bootstrap],
1434 [enable bootstrapping @<:@yes if native build@:>@])],,
1435enable_bootstrap=default)
1436
1437# Issue errors and warnings for invalid/strange bootstrap combinations.
1438if test -r $srcdir/gcc/configure; then
1439 have_compiler=yes
1440else
1441 have_compiler=no
1442fi
1443
1444case "$have_compiler:$host:$target:$enable_bootstrap" in
1445 *:*:*:no) ;;
1446
1447 # Default behavior. Enable bootstrap if we have a compiler
1448 # and we are in a native configuration.
1449 yes:$build:$build:default)
1450 enable_bootstrap=yes ;;
1451
1452 *:*:*:default)
1453 enable_bootstrap=no ;;
1454
1455 # We have a compiler and we are in a native configuration, bootstrap is ok
1456 yes:$build:$build:yes)
1457 ;;
1458
1459 # Other configurations, but we have a compiler. Assume the user knows
1460 # what he's doing.
1461 yes:*:*:yes)
1462 AC_MSG_WARN([trying to bootstrap a cross compiler])
1463 ;;
1464
1465 # No compiler: if they passed --enable-bootstrap explicitly, fail
1466 no:*:*:yes)
1467 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1468
1469 # Fail if wrong command line
1470 *)
1471 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1472 ;;
1473esac
1474
ce6c656d
L		 1475# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1476# C++98 compiler can still start the bootstrap.
1477if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1478 CXX="$CXX -std=gnu++98"
1479fi
1480
d5f2ee2e
KG		 1481# Used for setting $lt_cv_objdir
1482_LT_CHECK_OBJDIR
1483
e8a5fa9c 1484# Check for GMP, MPFR and MPC
d9b76ff9 1485gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1486gmpinc=
4b900473 1487have_gmp=no
e8a5fa9c
RW		 1488
1489# Specify a location for mpc
1490# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1491AC_ARG_WITH(mpc,
1492[AS_HELP_STRING([--with-mpc=PATH],
1493 [specify prefix directory for installed MPC package.
1494 Equivalent to --with-mpc-include=PATH/include
1495 plus --with-mpc-lib=PATH/lib])])
1496AC_ARG_WITH(mpc-include,
1497[AS_HELP_STRING([--with-mpc-include=PATH],
1498 [specify directory for installed MPC include files])])
1499AC_ARG_WITH(mpc-lib,
1500[AS_HELP_STRING([--with-mpc-lib=PATH],
1501 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1502
1503if test "x$with_mpc" != x; then
d9b76ff9
KG		 1504 gmplibs="-L$with_mpc/lib $gmplibs"
1505 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1506fi
1507if test "x$with_mpc_include" != x; then
d9b76ff9 1508 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1509fi
1510if test "x$with_mpc_lib" != x; then
d9b76ff9 1511 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1512fi
1513if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1514 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1515 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1516 # Do not test the mpc version. Assume that it is sufficient, since
1517 # it is in the source tree, and the library has not been built yet
1518 # but it would be included on the link line in the version check below
1519 # hence making the test fail.
d9b76ff9 1520 have_gmp=yes
e8a5fa9c 1521fi
4b900473 1522
11b04d1f
DD		 1523# Specify a location for mpfr
1524# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1525AC_ARG_WITH(mpfr-dir,
1526[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1527[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1528Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1529
1530AC_ARG_WITH(mpfr,
1531[AS_HELP_STRING([--with-mpfr=PATH],
1532 [specify prefix directory for installed MPFR package.
1533 Equivalent to --with-mpfr-include=PATH/include
1534 plus --with-mpfr-lib=PATH/lib])])
1535AC_ARG_WITH(mpfr-include,
1536[AS_HELP_STRING([--with-mpfr-include=PATH],
1537 [specify directory for installed MPFR include files])])
1538AC_ARG_WITH(mpfr-lib,
1539[AS_HELP_STRING([--with-mpfr-lib=PATH],
1540 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1541
1542if test "x$with_mpfr" != x; then
1543 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1544 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1545fi
8a0d8a5c 1546if test "x$with_mpfr_include" != x; then
d9b76ff9 1547 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1548fi
1549if test "x$with_mpfr_lib" != x; then
1550 gmplibs="-L$with_mpfr_lib $gmplibs"
1551fi
4b900473 1552if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1553 # MPFR v3.1.0 moved the sources into a src sub-directory.
1554 if test -d ${srcdir}/mpfr/src; then
1555 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1556 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1557 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1558 else
1559 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1560 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1561 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1562 fi
4b900473
PB		 1563 # Do not test the mpfr version. Assume that it is sufficient, since
1564 # it is in the source tree, and the library has not been built yet
1565 # but it would be included on the link line in the version check below
1566 # hence making the test fail.
1567 have_gmp=yes
1568fi
11b04d1f 1569
4b1cb4fe 1570# Specify a location for gmp
7837304f
AS		 1571AC_ARG_WITH(gmp-dir,
1572[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1573[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1574Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1575
1576AC_ARG_WITH(gmp,
1577[AS_HELP_STRING([--with-gmp=PATH],
1578 [specify prefix directory for the installed GMP package.
1579 Equivalent to --with-gmp-include=PATH/include
1580 plus --with-gmp-lib=PATH/lib])])
1581AC_ARG_WITH(gmp-include,
1582[AS_HELP_STRING([--with-gmp-include=PATH],
1583 [specify directory for installed GMP include files])])
1584AC_ARG_WITH(gmp-lib,
1585[AS_HELP_STRING([--with-gmp-lib=PATH],
1586 [specify directory for the installed GMP library])])
4b1cb4fe 1587
4b1cb4fe 1588
11b04d1f
DD		 1589if test "x$with_gmp" != x; then
1590 gmplibs="-L$with_gmp/lib $gmplibs"
1591 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1592fi
8a0d8a5c
PB		 1593if test "x$with_gmp_include" != x; then
1594 gmpinc="-I$with_gmp_include $gmpinc"
1595fi
1596if test "x$with_gmp_lib" != x; then
1597 gmplibs="-L$with_gmp_lib $gmplibs"
1598fi
4b900473 1599if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1600 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1601 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1602 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1603 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1604 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1605 # Do not test the gmp version. Assume that it is sufficient, since
1606 # it is in the source tree, and the library has not been built yet
1607 # but it would be included on the link line in the version check below
1608 # hence making the test fail.
1609 have_gmp=yes
1610fi
4b1cb4fe 1611
ceb92e78 1612if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1613 have_gmp=yes
1614 saved_CFLAGS="$CFLAGS"
1615 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1616 # Check for the recommended and required versions of GMP.
1617 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1618 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1619 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1620 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1621 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1622 choke me
4b900473 1623 #endif
a009f2e7 1624 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1625 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1626 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1627 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1628 choke me
1629 #endif
a009f2e7 1630 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1631 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1632
e8a5fa9c 1633 # If we have GMP, check the MPFR version.
4b900473 1634 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1635 # Check for the recommended and required versions of MPFR.
1636 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1637 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1638 #include <mpfr.h>],[
7ec59b9e 1639 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1640 choke me
1641 #endif
a009f2e7 1642 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1643 #include <mpfr.h>],[
a6b5846e 1644 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1645 choke me
1646 #endif
a009f2e7 1647 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1648 [AC_MSG_RESULT([no]); have_gmp=no])
1649 fi
1650
1651 # Check for the MPC header version.
d9b76ff9 1652 if test x"$have_gmp" = xyes ; then
a6b5846e 1653 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1654 AC_MSG_CHECKING([for the correct version of mpc.h])
1655 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1656 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1657 choke me
1658 #endif
a009f2e7 1659 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1660 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1661 choke me
1662 #endif
a009f2e7 1663 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1664 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1665 fi
1666
1667 # Now check the MPFR library.
1668 if test x"$have_gmp" = xyes; then
1669 saved_LIBS="$LIBS"
1670 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1671 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1672 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1673 mpfr_t n;
1674 mpfr_t x;
d9b76ff9 1675 mpc_t c;
4b900473 1676 int t;
a3ca38d2
DD		 1677 mpfr_init (n);
1678 mpfr_init (x);
4b900473
PB		 1679 mpfr_atan2 (n, n, x, GMP_RNDN);
1680 mpfr_erfc (n, x, GMP_RNDN);
1681 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1682 mpfr_clear(n);
1683 mpfr_clear(x);
1684 mpc_init2 (c, 53);
1685 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1686 mpc_cosh (c, c, MPC_RNDNN);
1687 mpc_pow (c, c, c, MPC_RNDNN);
1688 mpc_acosh (c, c, MPC_RNDNN);
1689 mpc_clear (c);
e8a5fa9c
RW		 1690 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1691 LIBS="$saved_LIBS"
4b900473 1692 fi
e8a5fa9c 1693
4b900473 1694 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1695
a6b5846e
KG		 1696# The library versions listed in the error message below should match
1697# the HARD-minimums enforced above.
4b900473 1698 if test x$have_gmp != xyes; then
7ec59b9e 1699 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1700Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1701their locations. Source code for these libraries can be found at
1702their respective hosting sites as well as at
1703ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1704http://gcc.gnu.org/install/prerequisites.html for additional info. If
1705you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1706make sure that you have installed both the libraries and the header
1707files. They may be located in separate packages.])
4b900473 1708 fi
9dbaa842
DD		 1709fi
1710
e8a5fa9c 1711# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1712AC_SUBST(gmplibs)
1713AC_SUBST(gmpinc)
e8a5fa9c
RW		 1714AC_SUBST(extra_mpfr_configure_flags)
1715AC_SUBST(extra_mpc_gmp_configure_flags)
1716AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1717AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1718
e8a5fa9c
RW		 1719# Libraries to use for stage1 or when not bootstrapping.
1720AC_ARG_WITH(stage1-libs,
7837304f 1721[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1722[if test "$withval" = "no" -o "$withval" = "yes"; then
1723 stage1_libs=
1724 else
1725 stage1_libs=$withval
1726 fi],
68996839 1727[stage1_libs=])
e8a5fa9c
RW		 1728AC_SUBST(stage1_libs)
1729
b3676d82
EB		 1730# Linker flags to use for stage1 or when not bootstrapping.
1731AC_ARG_WITH(stage1-ldflags,
1732[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1733[if test "$withval" = "no" -o "$withval" = "yes"; then
1734 stage1_ldflags=
1735 else
1736 stage1_ldflags=$withval
1737 fi],
1738[stage1_ldflags=
1739 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1740 # if supported. But if the user explicitly specified the libraries to use,
1741 # trust that they are doing what they want.
1742 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1743 stage1_ldflags="-static-libstdc++ -static-libgcc"
1744 fi])
1745AC_SUBST(stage1_ldflags)
1746
68996839 1747# Libraries to use for stage2 and later builds.
e8a5fa9c 1748AC_ARG_WITH(boot-libs,
7837304f 1749[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1750[if test "$withval" = "no" -o "$withval" = "yes"; then
1751 poststage1_libs=
1752 else
1753 poststage1_libs=$withval
1754 fi],
68996839 1755[poststage1_libs=])
e8a5fa9c
RW		 1756AC_SUBST(poststage1_libs)
1757
143754cd
NC		 1758# Linker flags to use for stage2 and later builds.
1759AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1760[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1761 [linker flags for stage2 and later])],
143754cd
NC		 1762[if test "$withval" = "no" -o "$withval" = "yes"; then
1763 poststage1_ldflags=
1764 else
1765 poststage1_ldflags=$withval
1766 fi],
1767[poststage1_ldflags=
4f11b223
ILT		 1768 # In stages 2 and 3, default to linking libstdc++ and libgcc
1769 # statically. But if the user explicitly specified the libraries to
1770 # use, trust that they are doing what they want.
1771 if test "$poststage1_libs" = ""; then
143754cd
NC		 1772 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1773 fi])
1774AC_SUBST(poststage1_ldflags)
1775
4849dfd8 1776# GCC GRAPHITE dependency isl.
1b6c0831 1777# Basic setup is inlined here, actual checks are in config/isl.m4
8e71395b 1778
8e71395b
L		 1779AC_ARG_WITH(isl,
1780 [AS_HELP_STRING(
1781 [--with-isl=PATH],
4849dfd8 1782 [Specify prefix directory for the installed isl package.
8e71395b
L		 1783 Equivalent to --with-isl-include=PATH/include
1784 plus --with-isl-lib=PATH/lib])])
1785
1b6c0831 1786# Treat --without-isl as a request to disable
8e71395b 1787# GRAPHITE support and skip all following checks.
1b6c0831 1788if test "x$with_isl" != "xno"; then
4849dfd8 1789 # Check for isl
8e71395b
L		 1790 dnl Provide configure switches and initialize islinc & isllibs
1791 dnl with user input.
1792 ISL_INIT_FLAGS
4849dfd8 1793 dnl The versions of isl that work for Graphite
1b6c0831 1794 ISL_CHECK_VERSION()
4849dfd8 1795 dnl Only execute fail-action, if isl has been requested.
7ec59b9e 1796 ISL_IF_FAILED([
4849dfd8 1797 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
e28c595f
JM		 1798fi
1799
4849dfd8 1800# If the isl check failed, disable builds of in-tree variant of isl
8e71395b 1801if test "x$with_isl" = xno ||
8e71395b 1802 test "x$gcc_cv_isl" = xno; then
1b6c0831 1803 noconfigdirs="$noconfigdirs isl"
8e71395b 1804 islinc=
7ec59b9e
L		 1805fi
1806
1b6c0831 1807AC_SUBST(isllibs)
8e71395b 1808AC_SUBST(islinc)
8e71395b 1809
700d40ca
ILT		 1810# Check for LTO support.
1811AC_ARG_ENABLE(lto,
7837304f 1812[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1813enable_lto=$enableval,
1814enable_lto=yes; default_enable_lto=yes)
1815
74cea91b
DK		 1816ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1817 build_lto_plugin=yes
1818],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1819 case $target in
52cf9762 1820 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
74cea91b 1821 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1822 *) enable_lto=no ;;
1823 esac
e49e5c92 1824 else
29821356
RW		 1825 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1826 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1827 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1828 # warn during gcc/ subconfigure; unless you're bootstrapping with
1829 # -flto it won't be needed until after installation anyway.
1830 case $target in
52cf9762 1831 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
e49e5c92
DK		 1832 *) if test x"$enable_lto" = x"yes"; then
1833 AC_MSG_ERROR([LTO support is not enabled for this target.])
1834 fi
1835 ;;
1836 esac
1837 fi
a8eb3f0a 1838 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1839 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1840 case $target in
74cea91b 1841 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1842 *) ;;
1843 esac
74cea91b 1844])
700d40ca 1845
1b6c0831
L		 1846AC_ARG_ENABLE(linker-plugin-configure-flags,
1847 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1848 [additional flags for configuring linker plugins @<:@none@:>@])],
1849 extra_linker_plugin_configure_flags=$enableval,
1850 extra_linker_plugin_configure_flags=)
1851AC_SUBST(extra_linker_plugin_configure_flags)
1852AC_ARG_ENABLE(linker-plugin-flags,
1853 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1854 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1855 extra_linker_plugin_flags=$enableval,
1856 extra_linker_plugin_flags=)
1857AC_SUBST(extra_linker_plugin_flags)
1858
e28c595f 1859
7ec59b9e 1860# By default, C and C++ are the only stage 1 languages.
9b134994 1861stage1_languages=,c,
1d39f329 1862
e8a5fa9c 1863# Target libraries that we bootstrap.
2aa2364a 1864bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1865
9e07f89d
NN		 1866# Figure out what language subdirectories are present.
1867# Look if the user specified --enable-languages="..."; if not, use
1868# the environment variable $LANGUAGES if defined. $LANGUAGES might
1869# go away some day.
1870# NB: embedded tabs in this IF block -- do not untabify
1871if test -d ${srcdir}/gcc; then
1872 if test x"${enable_languages+set}" != xset; then
1873 if test x"${LANGUAGES+set}" = xset; then
1874 enable_languages="${LANGUAGES}"
136bb21f 1875 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
9e07f89d
NN		 1876 else
1877 enable_languages=all
1878 fi
1879 else
1880 if test x"${enable_languages}" = x ||
1881 test x"${enable_languages}" = xyes;
1882 then
136bb21f 1883 echo configure.ac: --enable-languages needs at least one language argument 1>&2
9e07f89d
NN		 1884 exit 1
1885 fi
1886 fi
1887 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1888
096f7d00
DE		 1889 # 'f95' is the old name for the 'fortran' language. We issue a warning
1890 # and make the substitution.
1891 case ,${enable_languages}, in
1892 *,f95,*)
136bb21f 1893 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
096f7d00
DE		 1894 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1895 ;;
1896 esac
1897
7ec59b9e
L		 1898 # If bootstrapping, C++ must be enabled.
1899 case ",$enable_languages,:$enable_bootstrap" in
1900 *,c++,*:*) ;;
1901 *:yes)
ffdd6afc
ILT		 1902 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1903 enable_languages="${enable_languages},c++"
1904 else
7ec59b9e 1905 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1906 fi
1907 ;;
1908 esac
1909
9e07f89d
NN		 1910 # First scan to see if an enabled language requires some other language.
1911 # We assume that a given config-lang.in will list all the language
1912 # front ends it requires, even if some are required indirectly.
1913 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1914 case ${lang_frag} in
1915 ..) ;;
1916 # The odd quoting in the next line works around
1917 # an apparent bug in bash 1.12 on linux.
1918 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1919 *)
e552509b
ILT		 1920 # From the config-lang.in, get $language, $lang_requires, and
1921 # $lang_requires_boot_languages.
9e07f89d
NN		 1922 language=
1923 lang_requires=
e552509b 1924 lang_requires_boot_languages=
9e07f89d 1925 . ${lang_frag}
e552509b 1926 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1927 case ,${enable_languages}, in
1928 *,$other,*) ;;
1929 *,all,*) ;;
1930 *,$language,*)
1931 echo " \`$other' language required by \`$language'; enabling" 1>&2
1932 enable_languages="${enable_languages},${other}"
1933 ;;
1934 esac
1935 done
e552509b
ILT		 1936 for other in ${lang_requires_boot_languages} ; do
1937 if test "$other" != "c"; then
1938 case ,${enable_stage1_languages}, in
1939 *,$other,*) ;;
1940 *,all,*) ;;
1941 *)
1942 case ,${enable_languages}, in
1943 *,$language,*)
1944 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1945 enable_stage1_languages="$enable_stage1_languages,${other}"
1946 ;;
1947 esac
1948 ;;
1949 esac
1950 fi
1951 done
9e07f89d
NN		 1952 ;;
1953 esac
1954 done
1955
9b134994 1956 new_enable_languages=,c,
700d40ca
ILT		 1957
1958 # If LTO is enabled, add the LTO front end.
700d40ca 1959 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1960 case ,${enable_languages}, in
1961 *,lto,*) ;;
1962 *) enable_languages="${enable_languages},lto" ;;
1963 esac
a8eb3f0a 1964 if test "${build_lto_plugin}" = "yes" ; then
700d40ca 1965 configdirs="$configdirs lto-plugin"
700d40ca
ILT		 1966 fi
1967 fi
1b6c0831
L		 1968
1969 # If we're building an offloading compiler, add the LTO front end.
1970 if test x"$enable_as_accelerator_for" != x ; then
1971 case ,${enable_languages}, in
1972 *,lto,*) ;;
1973 *) enable_languages="${enable_languages},lto" ;;
1974 esac
1975 fi
700d40ca 1976
9e07f89d 1977 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1978 potential_languages=,c,
9e07f89d 1979
9e1a94f4
ILT		 1980 enabled_target_libs=
1981 disabled_target_libs=
1982
9e07f89d
NN		 1983 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1984 case ${lang_frag} in
1985 ..) ;;
1986 # The odd quoting in the next line works around
1987 # an apparent bug in bash 1.12 on linux.
1988 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1989 *)
7ec59b9e 1990 # From the config-lang.in, get $language, $target_libs,
1d39f329 1991 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1992 language=
1993 target_libs=
1994 lang_dirs=
64ce424c 1995 subdir_requires=
9b134994
PB		 1996 boot_language=no
1997 build_by_default=yes
9e07f89d 1998 . ${lang_frag}
9b134994
PB		 1999 if test x${language} = x; then
2000 echo "${lang_frag} doesn't set \$language." 1>&2
2001 exit 1
2002 fi
2003
ffdd6afc 2004 if test "$language" = "c++"; then
7ec59b9e 2005 boot_language=yes
e8a5fa9c
RW		 2006 fi
2007
8e71395b 2008 add_this_lang=no
9b134994
PB		 2009 case ,${enable_languages}, in
2010 *,${language},*)
7ec59b9e
L		 2011 # Language was explicitly selected; include it
2012 # unless it is C, which is enabled by default.
2013 if test "$language" != "c"; then
2014 add_this_lang=yes
2015 fi
9e07f89d 2016 ;;
9b134994
PB		 2017 *,all,*)
2018 # 'all' was selected, select it if it is a default language
8e71395b
L		 2019 if test "$language" != "c"; then
2020 add_this_lang=${build_by_default}
2021 fi
9e07f89d
NN		 2022 ;;
2023 esac
4b1cb4fe 2024
64ce424c 2025 # Disable languages that need other directories if these aren't available.
1f3f1bbf 2026 for i in $subdir_requires; do
3d3adb43 2027 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 2028 case ,${enable_languages}, in
2029 *,${language},*)
2030 # Specifically requested language; tell them.
2031 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2032 ;;
2033 *)
2034 # Silently disable.
9b134994 2035 add_this_lang=unsupported
64ce424c
PB		 2036 ;;
2037 esac
2038 done
2039
9b134994
PB		 2040 # Disable Ada if no preexisting GNAT is available.
2041 case ,${enable_languages},:${language}:${have_gnat} in
2042 *,${language},*:ada:no)
2043 # Specifically requested language; tell them.
2044 AC_MSG_ERROR([GNAT is required to build $language])
2045 ;;
2046 *:ada:no)
2047 # Silently disable.
2048 add_this_lang=unsupported
2049 ;;
2050 esac
2051
59f7ec45
HPN		 2052 # Disable a language that is unsupported by the target.
2053 case " $unsupported_languages " in
2054 *" $language "*)
9b134994 2055 add_this_lang=unsupported
59f7ec45
HPN		 2056 ;;
2057 esac
2058
4b1cb4fe 2059 case $add_this_lang in
9b134994 2060 unsupported)
9e07f89d 2061 # Remove language-dependent dirs.
9e1a94f4
ILT		 2062 disabled_target_libs="$disabled_target_libs $target_libs"
2063 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 2064 ;;
9b134994
PB		 2065 no)
2066 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 2067 disabled_target_libs="$disabled_target_libs $target_libs"
2068 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 2069 potential_languages="${potential_languages}${language},"
2070 ;;
2071 yes)
2072 new_enable_languages="${new_enable_languages}${language},"
2073 potential_languages="${potential_languages}${language},"
1d39f329 2074 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 2075 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 2076 case "${boot_language}:,$enable_stage1_languages," in
2077 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 2078 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 2079 case ",$stage1_languages," in
2080 *,$language,* | ,yes, | ,all,) ;;
2081 *) stage1_languages="${stage1_languages}${language}," ;;
2082 esac
e8a5fa9c
RW		 2083 # We need to bootstrap any supporting libraries.
2084 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 2085 ;;
2086 esac
2087 ;;
9e07f89d
NN		 2088 esac
2089 ;;
2090 esac
2091 done
2092
9e1a94f4
ILT		 2093 # Add target libraries which are only needed for disabled languages
2094 # to noconfigdirs.
2095 if test -n "$disabled_target_libs"; then
2096 for dir in $disabled_target_libs; do
2097 case " $enabled_target_libs " in
2098 *" ${dir} "*) ;;
2099 *) noconfigdirs="$noconfigdirs $dir" ;;
2100 esac
2101 done
2102 fi
2103
9b134994 2104 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 2105 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2106 [choose additional languages to build during
2107 stage1. Mostly useful for compiler development])],
9b134994
PB		 2108 [case ,${enable_stage1_languages}, in
2109 ,no,|,,)
2110 # Set it to something that will have no effect in the loop below
2111 enable_stage1_languages=c ;;
2112 ,yes,)
2113 enable_stage1_languages=`echo $new_enable_languages | \
2114 sed -e "s/^,//" -e "s/,$//" ` ;;
2115 *,all,*)
2116 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2117 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2118 esac
2119
2120 # Add "good" languages from enable_stage1_languages to stage1_languages,
2121 # while "bad" languages go in missing_languages. Leave no duplicates.
2122 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2123 case $potential_languages in
2124 *,$i,*)
2125 case $stage1_languages in
2126 *,$i,*) ;;
2127 *) stage1_languages="$stage1_languages$i," ;;
2128 esac ;;
2129 *)
2130 case $missing_languages in
2131 *,$i,*) ;;
2132 *) missing_languages="$missing_languages$i," ;;
2133 esac ;;
2134 esac
2135 done])
2136
2137 # Remove leading/trailing commas that were added for simplicity
2138 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2139 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2140 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2141 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2142
9e07f89d
NN		 2143 if test "x$missing_languages" != x; then
2144 AC_MSG_ERROR([
27258dd4 2145The following requested languages could not be built: ${missing_languages}
9b134994 2146Supported languages are: ${potential_languages}])
9e07f89d 2147 fi
9e07f89d
NN		 2148 if test "x$new_enable_languages" != "x$enable_languages"; then
2149 echo The following languages will be built: ${new_enable_languages}
9b134994 2150 enable_languages="$new_enable_languages"
9e07f89d 2151 fi
9b134994
PB		 2152
2153 AC_SUBST(stage1_languages)
81ec575a 2154 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2155fi
2156
a6df5a19
PB		 2157# Handle --disable-<component> generically.
2158for dir in $configdirs $build_configdirs $target_configdirs ; do
2159 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2160 varname=`echo $dirname | sed -e s/+/_/g`
2161 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2162 noconfigdirs="$noconfigdirs $dir"
2163 fi
2164done
2165
4f0ef2d8
CD		 2166# Check for Boehm's garbage collector
2167AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2168[AS_HELP_STRING([--enable-objc-gc],
2169 [enable use of Boehm's garbage collector with the
2170 GNU Objective-C runtime])],
4f0ef2d8
CD		 2171[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2172 *,objc,*:*:yes:*target-boehm-gc*)
2173 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2174 ;;
2175esac])
2176
2177# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2178case ,${enable_languages},:${enable_objc_gc} in
2179 *,objc,*:yes)
4f0ef2d8
CD		 2180 # Keep target-boehm-gc if requested for Objective-C.
2181 ;;
4f0ef2d8 2182 *)
d42c4017
DA		 2183 # Otherwise remove target-boehm-gc depending on target-libjava.
2184 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2185 noconfigdirs="$noconfigdirs target-boehm-gc"
2186 fi
4f0ef2d8
CD		 2187 ;;
2188esac
2189
1b6c0831 2190# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
7ec59b9e 2191case ,${enable_languages}, in
1b6c0831
L		 2192 *,c++,*)
2193 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2194 case "${noconfigdirs}" in
2195 *target-libstdc++-v3*)
2196 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2197 ;;
2198 *) ;;
2199 esac
2200 ;;
7ec59b9e 2201 *)
1b6c0831 2202 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2203 ;;
2204esac
2205
caeba88f
AL		 2206# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2207# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2208# If we have the source for $noconfigdirs entries, add them to $notsupp.
2209
2210notsupp=""
2211for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2212 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2213 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2214 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2215 if test -r $srcdir/$dirname/configure ; then
2216 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2217 true
2218 else
2219 notsupp="$notsupp $dir"
2220 fi
2221 fi
2222 fi
caeba88f
AL		 2223 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2224 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2225 if test -r $srcdir/$dirname/configure ; then
2226 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2227 true
2228 else
2229 notsupp="$notsupp $dir"
2230 fi
2231 fi
2232 fi
9e07f89d
NN		 2233 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2234 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2235 if test -r $srcdir/$dirname/configure ; then
2236 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2237 true
2238 else
2239 notsupp="$notsupp $dir"
2240 fi
2241 fi
2242 fi
2243done
2244
9e07f89d
NN		 2245# Quietly strip out all directories which aren't configurable in this tree.
2246# This relies on all configurable subdirectories being autoconfiscated, which
2247# is now the case.
6a9cf61e
PB		 2248build_configdirs_all="$build_configdirs"
2249build_configdirs=
2250for i in ${build_configdirs_all} ; do
7ec59b9e 2251 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2252 if test -f ${srcdir}/$j/configure ; then
2253 build_configdirs="${build_configdirs} $i"
2254 fi
2255done
2256
9e07f89d
NN		 2257configdirs_all="$configdirs"
2258configdirs=
2259for i in ${configdirs_all} ; do
2260 if test -f ${srcdir}/$i/configure ; then
2261 configdirs="${configdirs} $i"
2262 fi
2263done
6a9cf61e 2264
9e07f89d
NN		 2265target_configdirs_all="$target_configdirs"
2266target_configdirs=
2267for i in ${target_configdirs_all} ; do
7ec59b9e 2268 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2269 if test -f ${srcdir}/$j/configure ; then
2270 target_configdirs="${target_configdirs} $i"
2271 fi
2272done
2273
091021fa
L		 2274# Exclude target-zlib if target-libjava isn't built.
2275case ${target_configdirs} in
2276*target-libjava*)
2277 ;;
2278*)
2279 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2280 ;;
2281esac
2282
1b6c0831
L		 2283# libiberty-linker-plugin is special: it doesn't have its own source directory,
2284# so we have to add it after the preceding checks.
2285if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2286then
2287 case " $configdirs " in
2288 *" libiberty "*)
2289 # If we can build libiberty, we can also build libiberty-linker-plugin.
2290 configdirs="$configdirs libiberty-linker-plugin"
2291 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2292 --with-libiberty=../libiberty-linker-plugin";;
2293 *)
2294 AC_MSG_ERROR([libiberty missing]);;
2295 esac
2296fi
2297
2298# Sometimes we have special requirements for the host libiberty.
2299extra_host_libiberty_configure_flags=
e81d5d05 2300extra_host_zlib_configure_flags=
1b6c0831
L		 2301case " $configdirs " in
2302 *" lto-plugin "* | *" libcc1 "*)
2303 # When these are to be built as shared libraries, the same applies to
2304 # libiberty.
2305 extra_host_libiberty_configure_flags=--enable-shared
2306 ;;
e81d5d05
L		 2307 *" bfd "*)
2308 # When bfd is to be built as a shared library, the same applies to
2309 # zlib.
2310 if test "$enable_shared" = "yes"; then
2311 extra_host_zlib_configure_flags=--enable-host-shared
2312 fi
2313 ;;
1b6c0831
L		 2314esac
2315AC_SUBST(extra_host_libiberty_configure_flags)
e81d5d05 2316AC_SUBST(extra_host_zlib_configure_flags)
1b6c0831 2317
9e07f89d
NN		 2318# Produce a warning message for the subdirs we can't configure.
2319# This isn't especially interesting in the Cygnus tree, but in the individual
2320# FSF releases, it's important to let people know when their machine isn't
2321# supported by the one or two programs in a package.
2322
2323if test -n "${notsupp}" && test -z "${norecursion}" ; then
2324 # If $appdirs is non-empty, at least one of those directories must still
2325 # be configured, or we error out. (E.g., if the gas release supports a
2326 # specified target in some subdirs but not the gas subdir, we shouldn't
2327 # pretend that all is well.)
2328 if test -n "$appdirs" ; then
2329 for dir in $appdirs ; do
2330 if test -r $dir/Makefile.in ; then
2331 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2332 appdirs=""
2333 break
2334 fi
6a9cf61e 2335 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2336 appdirs=""
2337 break
2338 fi
2339 fi
2340 done
2341 if test -n "$appdirs" ; then
2342 echo "*** This configuration is not supported by this package." 1>&2
2343 exit 1
2344 fi
2345 fi
2346 # Okay, some application will build, or we don't care to check. Still
2347 # notify of subdirs not getting built.
2348 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2349 echo " ${notsupp}" 1>&2
2350 echo " (Any other directories should still work fine.)" 1>&2
2351fi
2352
2353case "$host" in
2354 *msdosdjgpp*)
2355 enable_gdbtk=no ;;
2356esac
2357
24ff9987
DJ		 2358# To find our prefix, in gcc_cv_tool_prefix.
2359ACX_TOOL_DIRS
2360
9e07f89d
NN		 2361copy_dirs=
2362
7ec59b9e 2363AC_ARG_WITH([build-sysroot],
7837304f
AS		 2364 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2365 [use sysroot as the system root during the build])],
a19b6204
MM		 2366 [if test x"$withval" != x ; then
2367 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2368 fi],
2369 [SYSROOT_CFLAGS_FOR_TARGET=])
2370AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2371
8a6ee3ab 2372AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2373 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2374 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2375 [if test x"$withval" != x; then
2376 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2377 for debug_map in $withval; do
2378 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2379 done
2380 fi],
2381 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2382AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2383
7f6ef0c0
PB		 2384# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2385# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2386# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2387# We want to ensure that TARGET libraries (which we know are built with
2388# gcc) are built with "-O2 -g", so include those options when setting
2389# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2390if test "x$CFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2391 if test "x${is_cross_compiler}" = xyes; then
2392 CFLAGS_FOR_TARGET="-g -O2"
2393 else
2394 CFLAGS_FOR_TARGET=$CFLAGS
2395 case " $CFLAGS " in
2396 *" -O2 "*) ;;
2397 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2398 esac
2399 case " $CFLAGS " in
2400 *" -g "* | *" -g3 "*) ;;
2401 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2402 esac
2403 fi
7f6ef0c0
PB		 2404fi
2405AC_SUBST(CFLAGS_FOR_TARGET)
2406
2407if test "x$CXXFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2408 if test "x${is_cross_compiler}" = xyes; then
2409 CXXFLAGS_FOR_TARGET="-g -O2"
2410 else
2411 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2412 case " $CXXFLAGS " in
2413 *" -O2 "*) ;;
2414 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2415 esac
2416 case " $CXXFLAGS " in
2417 *" -g "* | *" -g3 "*) ;;
2418 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2419 esac
2420 fi
7f6ef0c0
PB		 2421fi
2422AC_SUBST(CXXFLAGS_FOR_TARGET)
2423
91c1f14c
DK		 2424AC_SUBST(LDFLAGS_FOR_TARGET)
2425
9e07f89d
NN		 2426# Handle --with-headers=XXX. If the value is not "yes", the contents of
2427# the named directory are copied to $(tooldir)/sys-include.
2428if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2429 if test x${is_cross_compiler} = xno ; then
2430 echo 1>&2 '***' --with-headers is only supported when cross compiling
2431 exit 1
2432 fi
2433 if test x"${with_headers}" != xyes ; then
24ff9987 2434 x=${gcc_cv_tool_prefix}
c6b750e1 2435 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2436 fi
2437fi
2438
2439# Handle --with-libs=XXX. If the value is not "yes", the contents of
2440# the name directories are copied to $(tooldir)/lib. Multiple directories
2441# are permitted.
2442if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2443 if test x${is_cross_compiler} = xno ; then
2444 echo 1>&2 '***' --with-libs is only supported when cross compiling
2445 exit 1
2446 fi
2447 if test x"${with_libs}" != xyes ; then
2448 # Copy the libraries in reverse order, so that files in the first named
2449 # library override files in subsequent libraries.
24ff9987 2450 x=${gcc_cv_tool_prefix}
9e07f89d 2451 for l in ${with_libs}; do
c6b750e1 2452 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2453 done
2454 fi
2455fi
2456
700d40ca 2457# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2458#
2459# This is done by determining whether or not the appropriate directory
2460# is available, and by checking whether or not specific configurations
2461# have requested that this magic not happen.
7ec59b9e
L		 2462#
2463# The command line options always override the explicit settings in
136bb21f 2464# configure.ac, and the settings in configure.ac override this magic.
2429c060 2465#
7ec59b9e 2466# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2467# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2468# --without-gnu-ld options for the configure script. Similarly, if
2469# the default is to use the included zlib and you don't want to do that,
2470# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2471
2472if test x${use_gnu_as} = x &&
2473 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2474 with_gnu_as=yes
2475 extra_host_args="$extra_host_args --with-gnu-as"
2476fi
2477
2478if test x${use_gnu_ld} = x &&
93f9b408 2479 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2480 with_gnu_ld=yes
2481 extra_host_args="$extra_host_args --with-gnu-ld"
2482fi
2483
700d40ca
ILT		 2484if test x${use_included_zlib} = x &&
2485 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2486 :
2487else
2488 with_system_zlib=yes
2489 extra_host_args="$extra_host_args --with-system-zlib"
2490fi
2491
2429c060
PB		 2492# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2493# can detect this case.
2494
2495if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2496 with_newlib=yes
2497 extra_host_args="$extra_host_args --with-newlib"
2498fi
2499
9e07f89d
NN		 2500# Handle ${copy_dirs}
2501set fnord ${copy_dirs}
2502shift
2503while test $# != 0 ; do
2504 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2505 :
2506 else
2507 echo Copying $1 to $2
2508
2509 # Use the install script to create the directory and all required
2510 # parent directories.
2511 if test -d $2 ; then
2512 :
2513 else
2514 echo >config.temp
2515 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2516 fi
2517
2518 # Copy the directory, assuming we have tar.
2519 # FIXME: Should we use B in the second tar? Not all systems support it.
2520 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2521
2522 # It is the responsibility of the user to correctly adjust all
2523 # symlinks. If somebody can figure out how to handle them correctly
2524 # here, feel free to add the code.
2525
2526 echo $1 > $2/COPIED
2527 fi
2528 shift; shift
2529done
2530
2429c060
PB		 2531# Determine a target-dependent exec_prefix that the installed
2532# gcc will search in. Keep this list sorted by triplet, with
2533# the *-*-osname triplets last.
2534md_exec_prefix=
2535case "${target}" in
521ec477 2536 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2537 md_exec_prefix=/dev/env/DJDIR/bin
2538 ;;
2429c060 2539 *-*-hpux* | \
2429c060 2540 *-*-nto-qnx* | \
1f111696 2541 *-*-solaris2*)
2429c060
PB		 2542 md_exec_prefix=/usr/ccs/bin
2543 ;;
2544esac
2545
874e38b4
NN		 2546extra_arflags_for_target=
2547extra_nmflags_for_target=
1086bc09 2548extra_ranlibflags_for_target=
a0da8069 2549target_makefile_frag=/dev/null
f48556b1 2550case "${target}" in
77d7106f
AM		 2551 spu-*-*)
2552 target_makefile_frag="config/mt-spu"
2553 ;;
a9d58c06 2554 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2555 target_makefile_frag="config/mt-sde"
2556 ;;
f3b1e08e
RS		 2557 mipsisa*-*-elfoabi*)
2558 target_makefile_frag="config/mt-mips-elfoabi"
2559 ;;
e7c8859c
RS		 2560 mips*-*-*linux* | mips*-*-gnu*)
2561 target_makefile_frag="config/mt-mips-gnu"
2562 ;;
d9e042ac
SL		 2563 nios2-*-elf*)
2564 target_makefile_frag="config/mt-nios2-elf"
2565 ;;
29383458 2566 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2567 target_makefile_frag="config/mt-gnu"
f48556b1 2568 ;;
a0da8069 2569 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2570 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2571 # commands to handle both 32-bit and 64-bit objects. These flags are
2572 # harmless if we're using GNU nm or ar.
2573 extra_arflags_for_target=" -X32_64"
2574 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2575 ;;
b6f83f2a
DD		 2576esac
2577
a0da8069 2578alphaieee_frag=/dev/null
b6f83f2a
DD		 2579case $target in
2580 alpha*-*-*)
2581 # This just makes sure to use the -mieee option to build target libs.
2582 # This should probably be set individually by each library.
2583 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2584 ;;
2585esac
a0a2c6c6 2586
f48556b1
DD		 2587# If --enable-target-optspace always use -Os instead of -O2 to build
2588# the target libraries, similarly if it is not specified, use -Os
2589# on selected platforms.
a0da8069 2590ospace_frag=/dev/null
f48556b1
DD		 2591case "${enable_target_optspace}:${target}" in
2592 yes:*)
b6f83f2a 2593 ospace_frag="config/mt-ospace"
f48556b1
DD		 2594 ;;
2595 :d30v-*)
b6f83f2a 2596 ospace_frag="config/mt-d30v"
f48556b1 2597 ;;
16beab3d 2598 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
b6f83f2a 2599 ospace_frag="config/mt-ospace"
f48556b1
DD		 2600 ;;
2601 no:* | :*)
2602 ;;
2603 *)
2604 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2605 ;;
2606esac
252b5132 2607
a0da8069
NN		 2608# Some systems (e.g., one of the i386-aix systems the gas testers are
2609# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2610tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2611build_tooldir=${tooldir}
2612
a0da8069
NN		 2613# Create a .gdbinit file which runs the one in srcdir
2614# and tells GDB to look there for source files.
2615
2616if test -r ${srcdir}/.gdbinit ; then
2617 case ${srcdir} in
2618 .) ;;
2619 *) cat > ./.gdbinit <<EOF
2620# ${NO_EDIT}
2621dir ${srcdir}
2622dir .
2623source ${srcdir}/.gdbinit
2624EOF
2625 ;;
2626 esac
2627fi
2628
252b5132
RH		 2629# Make sure that the compiler is able to generate an executable. If it
2630# can't, we are probably in trouble. We don't care whether we can run the
2631# executable--we might be using a cross compiler--we only care whether it
2632# can be created. At this point the main configure script has set CC.
a0c4f3a0 2633we_are_ok=no
252b5132
RH		 2634echo "int main () { return 0; }" > conftest.c
2635${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2636if test $? = 0 ; then
2637 if test -s conftest || test -s conftest.exe ; then
2638 we_are_ok=yes
2639 fi
7ec59b9e 2640fi
a0c4f3a0
DD		 2641case $we_are_ok in
2642 no)
2643 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2644 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2645 rm -f conftest*
2646 exit 1
2647 ;;
2648esac
252b5132
RH		 2649rm -f conftest*
2650
3bbd2f8f 2651# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2652case "${host}" in
2653 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2654 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2655 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2656 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2657esac
8607b6c9 2658
3bbd2f8f 2659# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2660# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2661# built executables to PATH.
3bbd2f8f
AL		 2662if test "$RPATH_ENVVAR" = PATH; then
2663 GCC_SHLIB_SUBDIR=/shlib
2664else
2665 GCC_SHLIB_SUBDIR=
2666fi
2667
730af8ee 2668# Adjust the toplevel makefile according to whether bootstrap was selected.
2669case $enable_bootstrap in
2670 yes)
2671 bootstrap_suffix=bootstrap
2672 BUILD_CONFIG=bootstrap-debug
2673 ;;
2674 no)
2675 bootstrap_suffix=no-bootstrap
2676 BUILD_CONFIG=
2677 ;;
2678esac
2679
2680AC_MSG_CHECKING(for default BUILD_CONFIG)
2681
2682AC_ARG_WITH([build-config],
2683 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2684 [use config/NAME.mk build configuration])],
2685 [case $with_build_config in
2686 yes) with_build_config= ;;
2687 no) with_build_config= BUILD_CONFIG= ;;
2688 esac])
2689
2690if test "x${with_build_config}" != x; then
2691 BUILD_CONFIG=$with_build_config
2692else
2693 case $BUILD_CONFIG in
2694 bootstrap-debug)
2695 if echo "int f (void) { return 0; }" > conftest.c &&
2696 ${CC} -c conftest.c &&
2697 mv conftest.o conftest.o.g0 &&
2698 ${CC} -c -g conftest.c &&
2699 mv conftest.o conftest.o.g &&
2700 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2701 :
2702 else
2703 BUILD_CONFIG=
2704 fi
2705 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2706 ;;
2707 esac
2708fi
2709AC_MSG_RESULT($BUILD_CONFIG)
2710AC_SUBST(BUILD_CONFIG)
2711
2712# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2713AC_MSG_CHECKING([for --enable-vtable-verify])
2714AC_ARG_ENABLE(vtable-verify,
ce6c656d
L		 2715[AS_HELP_STRING([--enable-vtable-verify],
2716 [Enable vtable verification feature])],
730af8ee 2717[case "$enableval" in
2718 yes) enable_vtable_verify=yes ;;
2719 no) enable_vtable_verify=no ;;
2720 *) enable_vtable_verify=no;;
2721 esac],
2722[enable_vtable_verify=no])
2723AC_MSG_RESULT($enable_vtable_verify)
2724
3866be5d
NN		 2725# Record target_configdirs and the configure arguments for target and
2726# build configuration in Makefile.
2727target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2728build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2729bootstrap_fixincludes=no
930314a4 2730
2aa2364a
JR		 2731# If we are building libgomp, bootstrap it.
2732if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2733 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2734fi
2735
730af8ee 2736# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2737# or bootstrap-ubsan, bootstrap it.
2738if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2739 case "$BUILD_CONFIG" in
2740 *bootstrap-asan* | *bootstrap-ubsan* )
2741 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2742 bootstrap_fixincludes=yes
730af8ee 2743 ;;
2744 esac
5eb08693
L		 2745fi
2746
730af8ee 2747# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2748if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2749 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2750 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2751fi
2752
1b6c0831
L		 2753# If we are building libmpx, bootstrap it.
2754if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2755 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2756fi
2757
930314a4
NN		 2758# Determine whether gdb needs tk/tcl or not.
2759# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2760# and in that case we want gdb to be built without tk. Ugh!
2761# In fact I believe gdb is the *only* package directly dependent on tk,
2762# so we should be able to put the 'maybe's in unconditionally and
2763# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2764# 100% sure that that's safe though.
c180f501 2765
675c6968 2766gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2767case "$enable_gdbtk" in
2768 no)
2769 GDB_TK="" ;;
c180f501
AC		 2770 yes)
2771 GDB_TK="${gdb_tk}" ;;
930314a4 2772 *)
c180f501
AC		 2773 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2774 # distro. Eventually someone will fix this and move Insight, nee
2775 # gdbtk to a separate directory.
2776 if test -d ${srcdir}/gdb/gdbtk ; then
2777 GDB_TK="${gdb_tk}"
2778 else
2779 GDB_TK=""
2780 fi
2781 ;;
930314a4 2782esac
907be67c
DJ		 2783CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2784INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2785
6bd3dfaa 2786# Strip out unwanted targets.
dd12c3a8
NN		 2787
2788# While at that, we remove Makefiles if we were started for recursive
2789# configuration, so that the top-level Makefile reconfigures them,
2790# like we used to do when configure itself was recursive.
dd12c3a8 2791
06a51eac
RW		 2792# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2793# but now we're fixing up the Makefile ourselves with the additional
2794# commands passed to AC_CONFIG_FILES. Use separate variables
2795# extrasub-{build,host,target} not because there is any reason to split
2796# the substitutions up that way, but only to remain below the limit of
2797# 99 commands in a script, for HP-UX sed.
2798# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2799
16b1ad29
RW		 2800case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2801 yes:yes:*\ gold\ *:*,c++,*) ;;
2802 yes:yes:*\ gold\ *:*)
2803 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2804 ;;
2805esac
2806
06a51eac 2807extrasub_build=
6a9cf61e 2808for module in ${build_configdirs} ; do
dd12c3a8
NN		 2809 if test -z "${no_recursion}" \
2810 && test -f ${build_subdir}/${module}/Makefile; then
2811 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2812 rm -f ${build_subdir}/${module}/Makefile
2813 fi
06a51eac 2814 extrasub_build="$extrasub_build
6bd3dfaa 2815/^@if build-$module\$/d
498d4a71
CF		 2816/^@endif build-$module\$/d
2817/^@if build-$module-$bootstrap_suffix\$/d
2818/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2819done
06a51eac 2820extrasub_host=
dd12c3a8 2821for module in ${configdirs} ; do
80911fe1 2822 if test -z "${no_recursion}"; then
8cf39b1b 2823 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2824 if test -f ${file}; then
2825 echo 1>&2 "*** removing ${file} to force reconfigure"
2826 rm -f ${file}
2827 fi
2828 done
dd12c3a8 2829 fi
201f096f 2830 case ${module},${bootstrap_fixincludes} in
2831 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2832 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2833 esac
06a51eac 2834 extrasub_host="$extrasub_host
6bd3dfaa 2835/^@if $module\$/d
498d4a71 2836/^@endif $module\$/d
201f096f 2837/^@if $module-$host_bootstrap_suffix\$/d
2838/^@endif $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2839done
06a51eac 2840extrasub_target=
dd12c3a8
NN		 2841for module in ${target_configdirs} ; do
2842 if test -z "${no_recursion}" \
2843 && test -f ${target_subdir}/${module}/Makefile; then
2844 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2845 rm -f ${target_subdir}/${module}/Makefile
2846 fi
e8a5fa9c
RW		 2847
2848 # We only bootstrap target libraries listed in bootstrap_target_libs.
2849 case $bootstrap_target_libs in
2850 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2851 *) target_bootstrap_suffix=no-bootstrap ;;
2852 esac
2853
06a51eac 2854 extrasub_target="$extrasub_target
6bd3dfaa 2855/^@if target-$module\$/d
498d4a71 2856/^@endif target-$module\$/d
e8a5fa9c
RW		 2857/^@if target-$module-$target_bootstrap_suffix\$/d
2858/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2859done
319cab08 2860
06a51eac
RW		 2861# Do the final fixup along with target modules.
2862extrasub_target="$extrasub_target
6bd3dfaa 2863/^@if /,/^@endif /d"
930314a4 2864
a2cc058a
NN		 2865# Create the serialization dependencies. This uses a temporary file.
2866
e6bfb94a 2867AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2868[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2869 [force sequential configuration of
2870 sub-packages for the host, target or build
2871 machine, or all sub-packages])])
1047cb91
DD		 2872
2873case ${enable_serial_configure} in
2874 yes)
2875 enable_serial_build_configure=yes
2876 enable_serial_host_configure=yes
2877 enable_serial_target_configure=yes
2878 ;;
2879esac
e6bfb94a 2880
a2cc058a
NN		 2881# These force 'configure's to be done one at a time, to avoid problems
2882# with contention over a shared config.cache.
2883rm -f serdep.tmp
e6bfb94a 2884echo '# serdep.tmp' > serdep.tmp
a2cc058a 2885olditem=
1047cb91 2886test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2887for item in ${build_configdirs} ; do
2888 case ${olditem} in
2889 "") ;;
e6bfb94a 2890 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2891 esac
2892 olditem=${item}
2893done
2894olditem=
1047cb91 2895test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2896for item in ${configdirs} ; do
2897 case ${olditem} in
2898 "") ;;
e6bfb94a 2899 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2900 esac
2901 olditem=${item}
2902done
2903olditem=
1047cb91 2904test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2905for item in ${target_configdirs} ; do
2906 case ${olditem} in
2907 "") ;;
e6bfb94a 2908 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2909 esac
2910 olditem=${item}
2911done
a0da8069
NN		 2912serialization_dependencies=serdep.tmp
2913AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2914
e6bfb94a 2915# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2916# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2917# might not want to pass down to subconfigures. The exception being
2918# --cache-file=/dev/null, which is used to turn off the use of cache
2919# files altogether, and which should be passed on to subconfigures.
2920# Also strip program-prefix, program-suffix, and program-transform-name,
2921# so that we can pass down a consistent program-transform-name.
c6b750e1 2922baseargs=
65b4571a 2923tbaseargs=
c6b750e1
DJ		 2924keep_next=no
2925skip_next=no
2926eval "set -- $ac_configure_args"
b0aaa663
DJ		 2927for ac_arg
2928do
c6b750e1
DJ		 2929 if test X"$skip_next" = X"yes"; then
2930 skip_next=no
2931 continue
2932 fi
2933 if test X"$keep_next" = X"yes"; then
2934 case $ac_arg in
2935 *\'*)
2936 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2937 esac
2938 baseargs="$baseargs '$ac_arg'"
65b4571a 2939 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2940 keep_next=no
2941 continue
2942 fi
2943
2944 # Handle separated arguments. Based on the logic generated by
2945 # autoconf 2.59.
2946 case $ac_arg in
2947 *=* | --config-cache | -C | -disable-* | --disable-* \
2948 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2949 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2950 | -with-* | --with-* | -without-* | --without-* | --x)
2951 separate_arg=no
2952 ;;
2953 -*)
2954 separate_arg=yes
2955 ;;
2956 *)
2957 separate_arg=no
2958 ;;
2959 esac
2960
65b4571a
AO		 2961 skip_targ=no
2962 case $ac_arg in
2963changequote(,)
2964 --with-* | --without-*)
2965 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2966
2967 case $libopt in
2968 *[-_]include)
2969 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2970 ;;
2971 *[-_]lib)
2972 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2973 ;;
2974 *)
2975 lib=$libopt
2976 ;;
2977 esac
2978changequote([,])
2979
2980 case $lib in
1b6c0831 2981 mpc | mpfr | gmp | isl)
65b4571a
AO		 2982 # If we're processing --with-$lib, --with-$lib-include or
2983 # --with-$lib-lib, for one of the libs above, and target is
2984 # different from host, don't pass the current argument to any
2985 # target library's configure.
2986 if test x$is_cross_compiler = xyes; then
2987 skip_targ=yes
2988 fi
2989 ;;
2990 esac
2991 ;;
2992 esac
2993
c6b750e1 2994 case "$ac_arg" in
30167e0a
NC		 2995 --cache-file=/dev/null | \
2996 -cache-file=/dev/null )
2997 # Handled here to avoid the test to skip args below.
2998 baseargs="$baseargs '$ac_arg'"
65b4571a 2999 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 3000 # Assert: $separate_arg should always be no.
3001 keep_next=$separate_arg
3002 ;;
c6b750e1
DJ		 3003 --no*)
3004 continue
3005 ;;
3006 --c* | \
3007 --sr* | \
3008 --ho* | \
3009 --bu* | \
3010 --t* | \
3011 --program-* | \
3012 -cache_file* | \
3013 -srcdir* | \
3014 -host* | \
3015 -build* | \
3016 -target* | \
3017 -program-prefix* | \
3018 -program-suffix* | \
3019 -program-transform-name* )
3020 skip_next=$separate_arg
3021 continue
3022 ;;
3023 -*)
3024 # An option. Add it.
3025 case $ac_arg in
3026 *\'*)
3027 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3028 esac
3029 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 3030 if test X"$skip_targ" = Xno; then
3031 tbaseargs="$tbaseargs '$ac_arg'"
3032 fi
c6b750e1
DJ		 3033 keep_next=$separate_arg
3034 ;;
3035 *)
3036 # Either a variable assignment, or a nonopt (triplet). Don't
3037 # pass it down; let the Makefile handle this.
3038 continue
3039 ;;
3040 esac
3041done
3042# Remove the initial space we just introduced and, as these will be
3043# expanded by make, quote '$'.
3044baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 3045
f27d4f92
DJ		 3046# Add in --program-transform-name, after --program-prefix and
3047# --program-suffix have been applied to it. Autoconf has already
3048# doubled dollar signs and backslashes in program_transform_name; we want
3049# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 3050# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 3051# Also, because we want to override the logic in subdir configure scripts to
3052# choose program_transform_name, replace any s,x,x, with s,y,y,.
3053sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3054${program_transform_name}
3055EOF_SED
3056gcc_transform_name=`cat conftestsed.out`
3057rm -f conftestsed.out
3058baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 3059tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 3060if test "$silent" = yes; then
3061 baseargs="$baseargs --silent"
65b4571a 3062 tbaseargs="$tbaseargs --silent"
2444379b 3063fi
34a0f3cf 3064baseargs="$baseargs --disable-option-checking"
65b4571a 3065tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 3066
4074d5f2
RW		 3067# Record and document user additions to sub configure arguments.
3068AC_ARG_VAR([build_configargs],
3069 [additional configure arguments for build directories])
3070AC_ARG_VAR([host_configargs],
3071 [additional configure arguments for host directories])
3072AC_ARG_VAR([target_configargs],
3073 [additional configure arguments for target directories])
3074
49b7683b
DD		 3075# For the build-side libraries, we just need to pretend we're native,
3076# and not use the same cache file. Multilibs are neither needed nor
1b6c0831
L		 3077# desired. We can't even use the same cache file for all build-side
3078# libraries, as they're compiled differently; some with C, some with
3079# C++ or with different feature-enabling options.
3080build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
91e060aa 3081
ae831be5
NN		 3082# For host modules, accept cache file option, or specification as blank.
3083case "${cache_file}" in
3084"") # empty
3085 cache_file_option="" ;;
a0da8069 3086/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 3087 cache_file_option="--cache-file=${cache_file}" ;;
3088*) # relative path
3089 cache_file_option="--cache-file=../${cache_file}" ;;
3090esac
3091
82252c06
NN		 3092# Host dirs don't like to share a cache file either, horribly enough.
3093# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 3094host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 3095
65b4571a 3096target_configargs="$target_configargs ${tbaseargs}"
49b7683b 3097
252b5132
RH		 3098# Passing a --with-cross-host argument lets the target libraries know
3099# whether they are being built with a cross-compiler or being built
3100# native. However, it would be better to use other mechanisms to make the
3101# sorts of decisions they want to make on this basis. Please consider
3102# this option to be deprecated. FIXME.
a0c4f3a0 3103if test x${is_cross_compiler} = xyes ; then
c6b750e1 3104 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 3105fi
3106
afc0578d 3107# Special user-friendly check for native x86_64-linux build, if
3108# multilib is not explicitly enabled.
3109case "$target:$have_compiler:$host:$target:$enable_multilib" in
3110 x86_64-*linux*:yes:$build:$build:)
ce6c656d 3111 # Make sure we have a development environment that handles 32-bit
afc0578d 3112 dev64=no
3113 echo "int main () { return 0; }" > conftest.c
3114 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3115 if test $? = 0 ; then
3116 if test -s conftest || test -s conftest.exe ; then
3117 dev64=yes
3118 fi
3119 fi
3120 rm -f conftest*
3121 if test x${dev64} != xyes ; then
ce6c656d 3122 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.])
afc0578d 3123 fi
3124 ;;
3125esac
3126
938d2b74
RW		 3127# Default to --enable-multilib.
3128if test x${enable_multilib} = x ; then
a0da8069 3129 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 3130fi
252b5132
RH		 3131
3132# Pass --with-newlib if appropriate. Note that target_configdirs has
3133# changed from the earlier setting of with_newlib.
a0c4f3a0 3134if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 3135 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 3136fi
3137
95036d20
NN		 3138# Different target subdirs use different values of certain variables
3139# (notably CXX). Worse, multilibs use *lots* of different values.
3140# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3141# it doesn't automatically accept command-line overrides of them.
3142# This means it's not safe for target subdirs to share a cache file,
3143# which is disgusting, but there you have it. Hopefully this can be
3144# fixed in future. It's still worthwhile to use a cache file for each
3145# directory. I think.
3146
ae380b45
MS		 3147# Pass the appropriate --build, --host, --target and --cache-file arguments.
3148# We need to pass --target, as newer autoconf's requires consistency
3149# for target_alias and gcc doesn't manage it consistently.
4b900473 3150target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 3151
9e449d3e 3152FLAGS_FOR_TARGET=
7c1f909c 3153case " $target_configdirs " in
75205f78 3154 *" newlib "*)
a0da8069 3155 case " $target_configargs " in
75205f78 3156 *" --with-newlib "*)
9e449d3e 3157 case "$target" in
1f53ca9a 3158 *-cygwin*)
6d94c122 3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 3160 ;;
9e449d3e
AO		 3161 esac
3162
7450026c 3163 # If we're not building GCC, don't discard standard headers.
4d5fd396 3164 if test -d ${srcdir}/gcc; then
63266560 3165 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 3166
3167 if test "${build}" != "${host}"; then
3168 # On Canadian crosses, CC_FOR_TARGET will have already been set
3169 # by `configure', so we won't have an opportunity to add -Bgcc/
3170 # to it. This is right: we don't want to search that directory
3171 # for binaries, but we want the header files in there, so add
3172 # them explicitly.
e552509b 3173 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 3174
3175 # Someone might think of using the pre-installed headers on
3176 # Canadian crosses, in case the installed compiler is not fully
3177 # compatible with the compiler being built. In this case, it
3178 # would be better to flag an error than risking having
3179 # incompatible object files being constructed. We can't
3180 # guarantee that an error will be flagged, but let's hope the
3181 # compiler will do it, when presented with incompatible header
3182 # files.
3183 fi
63266560
DD		 3184 fi
3185
0a0d0041 3186 case "${target}-${is_cross_compiler}" in
ec11bdc6 3187 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3188 # Here host == target, so we don't need to build gcc,
3189 # so we don't want to discard standard headers.
3190 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3191 ;;
3192 *)
3193 # If we're building newlib, use its generic headers last, but search
3194 # for any libc-related directories first (so make it the last -B
3195 # switch).
3196 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3197
3198 # If we're building libgloss, find the startup file, simulator library
3199 # and linker script.
3200 case " $target_configdirs " in
3201 *" libgloss "*)
3202 # Look for startup file, simulator library and maybe linker script.
3203 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3204 # Look for libnosys.a in case the target needs it.
3205 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3206 # Most targets have the linker script in the source directory.
3207 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3208 ;;
3209 esac
0a0d0041
TF		 3210 ;;
3211 esac
9e449d3e 3212 ;;
75205f78
DD		 3213 esac
3214 ;;
9e449d3e 3215esac
1f53ca9a 3216
45055374 3217case "$target" in
1f53ca9a
AO		 3218 x86_64-*mingw* | *-w64-mingw*)
3219 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3220 # however, use a symlink named 'mingw' in ${prefix} .
3221 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3222 ;;
3223 *-mingw*)
3224 # MinGW can't be handled as Cygwin above since it does not use newlib.
3225 FLAGS_FOR_TARGET=$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'
3226 ;;
45055374 3227esac
63266560 3228
5fbad20a
DD		 3229# Allow the user to override the flags for
3230# our build compiler if desired.
c66487f8
NC		 3231if test x"${build}" = x"${host}" ; then
3232 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3233 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3234 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3235fi
5fbad20a 3236
63266560
DD		 3237# On Canadian crosses, we'll be searching the right directories for
3238# the previously-installed cross compiler, so don't bother to add
3239# flags for directories within the install tree of the compiler
3240# being built; programs in there won't even run.
4d5fd396 3241if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3242 # Search for pre-installed headers if nothing else fits.
bba45b8b 3243 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3244fi
63266560 3245
7c1f909c 3246if test "x${use_gnu_ld}" = x &&
f48556b1 3247 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3248 # Arrange for us to find uninstalled linker scripts.
b00612cc 3249 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3250fi
3251
a481dbb7
DD		 3252# Search for other target-specific linker scripts and such.
3253case "${target}" in
4e206d7e
DB		 3254 mep*)
3255 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3256 ;;
3257esac
3258
a0da8069 3259# Makefile fragments.
3e707e94
PB		 3260for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3261do
3262 eval fragval=\$$frag
3263 if test $fragval != /dev/null; then
3264 eval $frag=${srcdir}/$fragval
3265 fi
3266done
a0da8069
NN		 3267AC_SUBST_FILE(host_makefile_frag)
3268AC_SUBST_FILE(target_makefile_frag)
3269AC_SUBST_FILE(alphaieee_frag)
3270AC_SUBST_FILE(ospace_frag)
3271
3272# Miscellanea: directories, flags, etc.
a0da8069 3273AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3274AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3275AC_SUBST(tooldir)
3276AC_SUBST(build_tooldir)
907be67c 3277AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3278AC_SUBST(GDB_TK)
907be67c 3279AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3280
3281# Build module lists & subconfigure args.
a0da8069 3282AC_SUBST(build_configargs)
6a9cf61e 3283AC_SUBST(build_configdirs)
a0da8069
NN		 3284
3285# Host module lists & subconfigure args.
3286AC_SUBST(host_configargs)
3287AC_SUBST(configdirs)
911e63d0 3288AC_SUBST(target_configdirs)
a0da8069
NN		 3289
3290# Target module lists & subconfigure args.
a0da8069 3291AC_SUBST(target_configargs)
a6df5a19 3292
a0da8069
NN		 3293
3294# Build tools.
b5714970
PB		 3295AC_SUBST(AR_FOR_BUILD)
3296AC_SUBST(AS_FOR_BUILD)
a0da8069 3297AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3298AC_SUBST(CFLAGS_FOR_BUILD)
3299AC_SUBST(CXXFLAGS_FOR_BUILD)
3300AC_SUBST(CXX_FOR_BUILD)
3301AC_SUBST(DLLTOOL_FOR_BUILD)
3302AC_SUBST(GCJ_FOR_BUILD)
3303AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3304AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3305AC_SUBST(LDFLAGS_FOR_BUILD)
3306AC_SUBST(LD_FOR_BUILD)
3307AC_SUBST(NM_FOR_BUILD)
3308AC_SUBST(RANLIB_FOR_BUILD)
3309AC_SUBST(WINDMC_FOR_BUILD)
3310AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3311
be01d343
PB		 3312# Generate default definitions for YACC, M4, LEX and other programs that run
3313# on the build machine. These are used if the Makefile can't locate these
3314# programs in objdir.
3315MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3316
3317AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3318case " $build_configdirs " in
3319 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3320esac
3321
3322AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3323case " $build_configdirs " in
3324 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3325esac
3326
3327AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3328case " $build_configdirs " in
3329 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3330esac
3331
3332AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3333case " $build_configdirs " in
3334 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3335 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3336esac
3337
3338AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3339case " $build_configdirs " in
3340 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3341esac
3342
3343AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3344case " $build_configdirs " in
3345 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3346 *)
3347changequote(,)
10ad8ef3 3348 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3349 # higher, else we use the "missing" dummy.
3350 if ${MAKEINFO} --version \
10ad8ef3 3351 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3352 :
3353 else
3354 MAKEINFO="$MISSING makeinfo"
3355 fi
3356 ;;
3357changequote([,])
3358esac
3359
3360# FIXME: expect and dejagnu may become build tools?
3361
3362AC_CHECK_PROGS(EXPECT, expect, expect)
3363case " $configdirs " in
3364 *" expect "*)
3365 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3366 ;;
3367esac
3368
3369AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3370case " $configdirs " in
3371 *" dejagnu "*)
6b89cc21 3372 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3373 ;;
3374esac
3375
3376
a0da8069 3377# Host tools.
05cbd757
PB		 3378NCN_STRICT_CHECK_TOOLS(AR, ar)
3379NCN_STRICT_CHECK_TOOLS(AS, as)
3380NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3381NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3382NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3383NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3384NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3385NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3386NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3387NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3388NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3389NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3390NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3391AC_SUBST(CC)
3392AC_SUBST(CXX)
3393AC_SUBST(CFLAGS)
3394AC_SUBST(CXXFLAGS)
a0da8069 3395
be01d343 3396# Target tools.
7ec59b9e 3397AC_ARG_WITH([build-time-tools],
7837304f
AS		 3398 [AS_HELP_STRING([--with-build-time-tools=PATH],
3399 [use given path to find target tools during the build])],
2429c060
PB		 3400 [case x"$withval" in
3401 x/*) ;;
3402 *)
3403 with_build_time_tools=
3404 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3405 ;;
3406 esac],
3407 [with_build_time_tools=])
3408
05cbd757
PB		 3409NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3410NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3411NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3412NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3413NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3414NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3415
3416ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3417ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3418ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3419ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3420ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3421ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3422ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3423ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3424ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3425ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3426ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3427ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3428ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3429
be01d343
PB		 3430RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3431
3432GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3433GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3434GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3435dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3436GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3437 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3438 c++)
3439GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3440 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3441 c++)
3442GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3443GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3444GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3445 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3446GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3447 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3448GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3449 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3450GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3451GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3452GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
1b6c0831 3453GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
be01d343
PB		 3454GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3455GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3456GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3457GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3458GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3459GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3460
be01d343 3461AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3462AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3463
a0da8069
NN		 3464# Certain tools may need extra flags.
3465AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3466RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3467NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3468
be01d343
PB		 3469# When building target libraries, except in a Canadian cross, we use
3470# the same toolchain as the compiler we just built.
3471COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3472COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3473COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3474if test $host = $build; then
3475 case " $configdirs " in
3476 *" gcc "*)
3477 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3478 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3479 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3480 ;;
3481 esac
3482fi
3483
3484AC_SUBST(COMPILER_AS_FOR_TARGET)
3485AC_SUBST(COMPILER_LD_FOR_TARGET)
3486AC_SUBST(COMPILER_NM_FOR_TARGET)
3487
6b784d9f
AO		 3488AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3489AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3490[AS_HELP_STRING([--enable-maintainer-mode],
3491 [enable make rules and dependencies not useful
3492 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3493 USE_MAINTAINER_MODE=$enableval,
3494 USE_MAINTAINER_MODE=no)
3495AC_MSG_RESULT($USE_MAINTAINER_MODE)
3496AC_SUBST(MAINTAINER_MODE_TRUE)
3497AC_SUBST(MAINTAINER_MODE_FALSE)
3498if test "$USE_MAINTAINER_MODE" = yes; then
3499 MAINTAINER_MODE_TRUE=
3500 MAINTAINER_MODE_FALSE='#'
3501else
3502 MAINTAINER_MODE_TRUE='#'
3503 MAINTAINER_MODE_FALSE=
7ec59b9e 3504fi
6b784d9f
AO		 3505MAINT=$MAINTAINER_MODE_TRUE
3506AC_SUBST(MAINT)dnl
3507
1d39f329
NN		 3508# ---------------------
3509# GCC bootstrap support
3510# ---------------------
3511
3512# Stage specific cflags for build.
3513stage1_cflags="-g"
3514case $build in
3515 vax-*-*)
3516 case ${GCC} in
3517 yes) stage1_cflags="-g -Wa,-J" ;;
3518 *) stage1_cflags="-g -J" ;;
3519 esac ;;
1d39f329 3520esac
1d89b610 3521
1d39f329
NN		 3522AC_SUBST(stage1_cflags)
3523
8a0d8a5c
PB		 3524# Enable --enable-checking in stage1 of the compiler.
3525AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3526[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3527 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3528[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3529[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
ce6c656d
L		 3530 # For --disable-checking or implicit --enable-checking=release, avoid
3531 # setting --enable-checking=gc in the default stage1 checking for LTO
3532 # bootstraps. See PR62077.
3533 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
3534 case $BUILD_CONFIG in
3535 *lto*)
3536 if test "x$enable_checking" = x && \
3537 test -d ${srcdir}/gcc && \
3538 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3539 stage1_checking=--enable-checking=yes,types
3540 fi;;
3541 *) stage1_checking=--enable-checking=yes,types;;
3542 esac
8a0d8a5c 3543else
5566c1fa 3544 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3545fi])
3546AC_SUBST(stage1_checking)
3547
1d39f329 3548# Enable -Werror in bootstrap stage2 and later.
1d39f329 3549AC_ARG_ENABLE(werror,
7837304f
AS		 3550[AS_HELP_STRING([--enable-werror],
3551 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3552[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3553 enable_werror=yes
3554else
3555 enable_werror=no
3556fi])
1a6f2dc7
NN		 3557case ${enable_werror} in
3558 yes) stage2_werror_flag="--enable-werror-always" ;;
3559 *) stage2_werror_flag="" ;;
1d39f329 3560esac
1a6f2dc7 3561AC_SUBST(stage2_werror_flag)
1d39f329 3562
82033c9b
JBG		 3563# Enable --enable-host-shared.
3564AC_ARG_ENABLE(host-shared,
3565[AS_HELP_STRING([--enable-host-shared],
3566 [build host code as shared libraries])],
3567[host_shared=$enableval], [host_shared=no])
3568AC_SUBST(host_shared)
3569
1b6c0831
L		 3570# PR jit/64780: Require the user to explicitly specify
3571# --enable-host-shared if the jit is enabled, hinting
3572# that they might want to do a separate configure/build of
3573# the jit, to avoid users from slowing down the rest of the
3574# compiler by enabling the jit.
3575if test ${host_shared} = "no" ; then
3576 case "${enable_languages}" in
3577 *jit*)
3578 AC_MSG_ERROR([
3579Enabling language "jit" requires --enable-host-shared.
3580
3581--enable-host-shared typically slows the rest of the compiler down by
3582a few %, so you must explicitly enable it.
3583
3584If you want to build both the jit and the regular compiler, it is often
3585best to do this via two separate configure/builds, in separate
3586directories, to avoid imposing the performance cost of
3587--enable-host-shared on the regular compiler.])
3588 ;;
3589 *)
3590 ;;
3591 esac
3592fi
3593
e8a5fa9c
RW		 3594# Specify what files to not compare during bootstrap.
3595
3596compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3597case "$target" in
3598 hppa*64*-*-hpux*) ;;
3599 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3600 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3601esac
3602AC_SUBST(compare_exclusions)
3603
06a51eac
RW		 3604AC_CONFIG_FILES([Makefile],
3605 [sed "$extrasub_build" Makefile |
3606 sed "$extrasub_host" |
3607 sed "$extrasub_target" > mf$$
3608 mv -f mf$$ Makefile],
3609 [extrasub_build="$extrasub_build"
3610 extrasub_host="$extrasub_host"
3611 extrasub_target="$extrasub_target"])
3612AC_OUTPUT
GDB Binutils - Deliverables
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