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[AArch64] Fix +nofp16 handling
[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 353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
ea016470 354 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
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 ;;
9abdce70 1301 tilegx*-*-*)
eb4b2452
NC		 1302 noconfigdirs="$noconfigdirs sim"
1303 ;;
9abdce70
WL		 1304 tilepro*-*-*)
1305 noconfigdirs="$noconfigdirs gdb sim"
1306 ;;
252b5132 1307 v810-*-*)
b2f14e4a 1308 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1309 ;;
1310 vax-*-*)
9863d716 1311 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1312 ;;
252b5132
RH		 1313esac
1314
1315# If we aren't building newlib, then don't build libgloss, since libgloss
1316# depends upon some newlib header files.
1317case "${noconfigdirs}" in
1318 *target-libgloss*) ;;
1319 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1320esac
252b5132 1321
f48556b1 1322# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1323host_makefile_frag=/dev/null
f48556b1
DD		 1324if test -d ${srcdir}/config ; then
1325case "${host}" in
ec11bdc6 1326 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1327 host_makefile_frag="config/mh-djgpp"
1328 ;;
1329 *-cygwin*)
e33b51a6 1330 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1331 host_makefile_frag="config/mh-cygwin"
1332 ;;
8a1599ab 1333 *-mingw*)
84e7906e 1334 host_makefile_frag="config/mh-mingw"
80f6dcbc 1335 ;;
ce6c656d
L		 1336 alpha*-linux*)
1337 host_makefile_frag="config/mh-alpha-linux"
1338 ;;
da888c87 1339 hppa*-hp-hpux10*)
da888c87 1340 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1341 ;;
3516a403 1342 hppa*-hp-hpux*)
da888c87
PB		 1343 host_makefile_frag="config/mh-pa"
1344 ;;
7ec59b9e 1345 hppa*-*)
da888c87
PB		 1346 host_makefile_frag="config/mh-pa"
1347 ;;
e552509b
ILT		 1348 *-*-darwin*)
1349 host_makefile_frag="config/mh-darwin"
0df3d27f 1350 ;;
f6d183c0
PB		 1351 powerpc-*-aix*)
1352 host_makefile_frag="config/mh-ppc-aix"
1353 ;;
1354 rs6000-*-aix*)
1355 host_makefile_frag="config/mh-ppc-aix"
1356 ;;
f48556b1
DD		 1357esac
1358fi
1359
9e07f89d 1360if test "${build}" != "${host}" ; then
b5714970
PB		 1361 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1362 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1363 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1364 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1365 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1366 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1367 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1368 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1369 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1370 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1371 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1372 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1373 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1374else
b5714970
PB		 1375 AR_FOR_BUILD="\$(AR)"
1376 AS_FOR_BUILD="\$(AS)"
9e07f89d 1377 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1378 CXX_FOR_BUILD="\$(CXX)"
1379 GCJ_FOR_BUILD="\$(GCJ)"
1380 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1381 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1382 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1383 LD_FOR_BUILD="\$(LD)"
1384 NM_FOR_BUILD="\$(NM)"
1385 RANLIB_FOR_BUILD="\$(RANLIB)"
1386 WINDRES_FOR_BUILD="\$(WINDRES)"
1387 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1388fi
9e07f89d 1389
24ff9987
DJ		 1390AC_PROG_CC
1391AC_PROG_CXX
1392
1393# We must set the default linker to the linker used by gcc for the correct
1394# operation of libtool. If LD is not defined and we are using gcc, try to
1395# set the LD default to the ld used by gcc.
1396if test -z "$LD"; then
1397 if test "$GCC" = yes; then
1398 case $build in
1399 *-*-mingw*)
1400 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1401 *)
1402 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1403 esac
1404 case $gcc_prog_ld in
1405 # Accept absolute paths.
1406 [[\\/]* | [A-Za-z]:[\\/]*)]
1407 LD="$gcc_prog_ld" ;;
1408 esac
1409 fi
9e07f89d
NN		 1410fi
1411
b3676d82
EB		 1412# Check whether -static-libstdc++ -static-libgcc is supported.
1413have_static_libs=no
1414if test "$GCC" = yes; then
1415 saved_LDFLAGS="$LDFLAGS"
1416
1417 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1418 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1419 AC_LANG_PUSH(C++)
a882be68
EB		 1420 AC_LINK_IFELSE([
1421#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1422#error -static-libstdc++ not implemented
1423#endif
1424int main() {}],
b3676d82
EB		 1425 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1426 [AC_MSG_RESULT([no])])
1427 AC_LANG_POP(C++)
1428
1429 LDFLAGS="$saved_LDFLAGS"
1430fi
1431
9e07f89d 1432ACX_PROG_GNAT
b8908782 1433ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1434
ffdd6afc
ILT		 1435AC_ARG_ENABLE([bootstrap],
1436[AS_HELP_STRING([--enable-bootstrap],
1437 [enable bootstrapping @<:@yes if native build@:>@])],,
1438enable_bootstrap=default)
1439
1440# Issue errors and warnings for invalid/strange bootstrap combinations.
1441if test -r $srcdir/gcc/configure; then
1442 have_compiler=yes
1443else
1444 have_compiler=no
1445fi
1446
1447case "$have_compiler:$host:$target:$enable_bootstrap" in
1448 *:*:*:no) ;;
1449
1450 # Default behavior. Enable bootstrap if we have a compiler
1451 # and we are in a native configuration.
1452 yes:$build:$build:default)
1453 enable_bootstrap=yes ;;
1454
1455 *:*:*:default)
1456 enable_bootstrap=no ;;
1457
1458 # We have a compiler and we are in a native configuration, bootstrap is ok
1459 yes:$build:$build:yes)
1460 ;;
1461
1462 # Other configurations, but we have a compiler. Assume the user knows
1463 # what he's doing.
1464 yes:*:*:yes)
1465 AC_MSG_WARN([trying to bootstrap a cross compiler])
1466 ;;
1467
1468 # No compiler: if they passed --enable-bootstrap explicitly, fail
1469 no:*:*:yes)
1470 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1471
1472 # Fail if wrong command line
1473 *)
1474 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1475 ;;
1476esac
1477
ce6c656d
L		 1478# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1479# C++98 compiler can still start the bootstrap.
1480if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1481 CXX="$CXX -std=gnu++98"
1482fi
1483
d5f2ee2e
KG		 1484# Used for setting $lt_cv_objdir
1485_LT_CHECK_OBJDIR
1486
e8a5fa9c 1487# Check for GMP, MPFR and MPC
d9b76ff9 1488gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1489gmpinc=
4b900473 1490have_gmp=no
e8a5fa9c
RW		 1491
1492# Specify a location for mpc
1493# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1494AC_ARG_WITH(mpc,
1495[AS_HELP_STRING([--with-mpc=PATH],
1496 [specify prefix directory for installed MPC package.
1497 Equivalent to --with-mpc-include=PATH/include
1498 plus --with-mpc-lib=PATH/lib])])
1499AC_ARG_WITH(mpc-include,
1500[AS_HELP_STRING([--with-mpc-include=PATH],
1501 [specify directory for installed MPC include files])])
1502AC_ARG_WITH(mpc-lib,
1503[AS_HELP_STRING([--with-mpc-lib=PATH],
1504 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1505
1506if test "x$with_mpc" != x; then
d9b76ff9
KG		 1507 gmplibs="-L$with_mpc/lib $gmplibs"
1508 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1509fi
1510if test "x$with_mpc_include" != x; then
d9b76ff9 1511 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1512fi
1513if test "x$with_mpc_lib" != x; then
d9b76ff9 1514 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1515fi
1516if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1517 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1518 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1519 # Do not test the mpc version. Assume that it is sufficient, since
1520 # it is in the source tree, and the library has not been built yet
1521 # but it would be included on the link line in the version check below
1522 # hence making the test fail.
d9b76ff9 1523 have_gmp=yes
e8a5fa9c 1524fi
4b900473 1525
11b04d1f
DD		 1526# Specify a location for mpfr
1527# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1528AC_ARG_WITH(mpfr-dir,
1529[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1530[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1531Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1532
1533AC_ARG_WITH(mpfr,
1534[AS_HELP_STRING([--with-mpfr=PATH],
1535 [specify prefix directory for installed MPFR package.
1536 Equivalent to --with-mpfr-include=PATH/include
1537 plus --with-mpfr-lib=PATH/lib])])
1538AC_ARG_WITH(mpfr-include,
1539[AS_HELP_STRING([--with-mpfr-include=PATH],
1540 [specify directory for installed MPFR include files])])
1541AC_ARG_WITH(mpfr-lib,
1542[AS_HELP_STRING([--with-mpfr-lib=PATH],
1543 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1544
1545if test "x$with_mpfr" != x; then
1546 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1547 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1548fi
8a0d8a5c 1549if test "x$with_mpfr_include" != x; then
d9b76ff9 1550 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1551fi
1552if test "x$with_mpfr_lib" != x; then
1553 gmplibs="-L$with_mpfr_lib $gmplibs"
1554fi
4b900473 1555if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1556 # MPFR v3.1.0 moved the sources into a src sub-directory.
1557 if test -d ${srcdir}/mpfr/src; then
1558 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1559 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1560 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1561 else
1562 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1563 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1564 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1565 fi
4b900473
PB		 1566 # Do not test the mpfr version. Assume that it is sufficient, since
1567 # it is in the source tree, and the library has not been built yet
1568 # but it would be included on the link line in the version check below
1569 # hence making the test fail.
1570 have_gmp=yes
1571fi
11b04d1f 1572
4b1cb4fe 1573# Specify a location for gmp
7837304f
AS		 1574AC_ARG_WITH(gmp-dir,
1575[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1576[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1577Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1578
1579AC_ARG_WITH(gmp,
1580[AS_HELP_STRING([--with-gmp=PATH],
1581 [specify prefix directory for the installed GMP package.
1582 Equivalent to --with-gmp-include=PATH/include
1583 plus --with-gmp-lib=PATH/lib])])
1584AC_ARG_WITH(gmp-include,
1585[AS_HELP_STRING([--with-gmp-include=PATH],
1586 [specify directory for installed GMP include files])])
1587AC_ARG_WITH(gmp-lib,
1588[AS_HELP_STRING([--with-gmp-lib=PATH],
1589 [specify directory for the installed GMP library])])
4b1cb4fe 1590
4b1cb4fe 1591
11b04d1f
DD		 1592if test "x$with_gmp" != x; then
1593 gmplibs="-L$with_gmp/lib $gmplibs"
1594 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1595fi
8a0d8a5c
PB		 1596if test "x$with_gmp_include" != x; then
1597 gmpinc="-I$with_gmp_include $gmpinc"
1598fi
1599if test "x$with_gmp_lib" != x; then
1600 gmplibs="-L$with_gmp_lib $gmplibs"
1601fi
4b900473 1602if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1603 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1604 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1605 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1606 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1607 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1608 # Do not test the gmp version. Assume that it is sufficient, since
1609 # it is in the source tree, and the library has not been built yet
1610 # but it would be included on the link line in the version check below
1611 # hence making the test fail.
1612 have_gmp=yes
1613fi
4b1cb4fe 1614
ceb92e78 1615if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1616 have_gmp=yes
1617 saved_CFLAGS="$CFLAGS"
1618 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1619 # Check for the recommended and required versions of GMP.
1620 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1621 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1622 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1623 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1624 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1625 choke me
4b900473 1626 #endif
a009f2e7 1627 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1628 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1629 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1630 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1631 choke me
1632 #endif
a009f2e7 1633 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1634 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1635
e8a5fa9c 1636 # If we have GMP, check the MPFR version.
4b900473 1637 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1638 # Check for the recommended and required versions of MPFR.
1639 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1640 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1641 #include <mpfr.h>],[
7ec59b9e 1642 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1643 choke me
1644 #endif
a009f2e7 1645 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1646 #include <mpfr.h>],[
a6b5846e 1647 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1648 choke me
1649 #endif
a009f2e7 1650 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1651 [AC_MSG_RESULT([no]); have_gmp=no])
1652 fi
1653
1654 # Check for the MPC header version.
d9b76ff9 1655 if test x"$have_gmp" = xyes ; then
a6b5846e 1656 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1657 AC_MSG_CHECKING([for the correct version of mpc.h])
1658 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1659 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1660 choke me
1661 #endif
a009f2e7 1662 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1663 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1664 choke me
1665 #endif
a009f2e7 1666 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1667 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1668 fi
1669
1670 # Now check the MPFR library.
1671 if test x"$have_gmp" = xyes; then
1672 saved_LIBS="$LIBS"
1673 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1674 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1675 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1676 mpfr_t n;
1677 mpfr_t x;
d9b76ff9 1678 mpc_t c;
4b900473 1679 int t;
a3ca38d2
DD		 1680 mpfr_init (n);
1681 mpfr_init (x);
4b900473
PB		 1682 mpfr_atan2 (n, n, x, GMP_RNDN);
1683 mpfr_erfc (n, x, GMP_RNDN);
1684 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1685 mpfr_clear(n);
1686 mpfr_clear(x);
1687 mpc_init2 (c, 53);
1688 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1689 mpc_cosh (c, c, MPC_RNDNN);
1690 mpc_pow (c, c, c, MPC_RNDNN);
1691 mpc_acosh (c, c, MPC_RNDNN);
1692 mpc_clear (c);
e8a5fa9c
RW		 1693 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1694 LIBS="$saved_LIBS"
4b900473 1695 fi
e8a5fa9c 1696
4b900473 1697 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1698
a6b5846e
KG		 1699# The library versions listed in the error message below should match
1700# the HARD-minimums enforced above.
4b900473 1701 if test x$have_gmp != xyes; then
7ec59b9e 1702 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1703Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1704their locations. Source code for these libraries can be found at
1705their respective hosting sites as well as at
1706ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1707http://gcc.gnu.org/install/prerequisites.html for additional info. If
1708you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1709make sure that you have installed both the libraries and the header
1710files. They may be located in separate packages.])
4b900473 1711 fi
9dbaa842
DD		 1712fi
1713
e8a5fa9c 1714# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1715AC_SUBST(gmplibs)
1716AC_SUBST(gmpinc)
e8a5fa9c
RW		 1717AC_SUBST(extra_mpfr_configure_flags)
1718AC_SUBST(extra_mpc_gmp_configure_flags)
1719AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1720AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1721
e8a5fa9c
RW		 1722# Libraries to use for stage1 or when not bootstrapping.
1723AC_ARG_WITH(stage1-libs,
7837304f 1724[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1725[if test "$withval" = "no" -o "$withval" = "yes"; then
1726 stage1_libs=
1727 else
1728 stage1_libs=$withval
1729 fi],
68996839 1730[stage1_libs=])
e8a5fa9c
RW		 1731AC_SUBST(stage1_libs)
1732
b3676d82
EB		 1733# Linker flags to use for stage1 or when not bootstrapping.
1734AC_ARG_WITH(stage1-ldflags,
1735[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1736[if test "$withval" = "no" -o "$withval" = "yes"; then
1737 stage1_ldflags=
1738 else
1739 stage1_ldflags=$withval
1740 fi],
1741[stage1_ldflags=
1742 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1743 # if supported. But if the user explicitly specified the libraries to use,
1744 # trust that they are doing what they want.
1745 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1746 stage1_ldflags="-static-libstdc++ -static-libgcc"
1747 fi])
1748AC_SUBST(stage1_ldflags)
1749
68996839 1750# Libraries to use for stage2 and later builds.
e8a5fa9c 1751AC_ARG_WITH(boot-libs,
7837304f 1752[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1753[if test "$withval" = "no" -o "$withval" = "yes"; then
1754 poststage1_libs=
1755 else
1756 poststage1_libs=$withval
1757 fi],
68996839 1758[poststage1_libs=])
e8a5fa9c
RW		 1759AC_SUBST(poststage1_libs)
1760
143754cd
NC		 1761# Linker flags to use for stage2 and later builds.
1762AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1763[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1764 [linker flags for stage2 and later])],
143754cd
NC		 1765[if test "$withval" = "no" -o "$withval" = "yes"; then
1766 poststage1_ldflags=
1767 else
1768 poststage1_ldflags=$withval
1769 fi],
1770[poststage1_ldflags=
4f11b223
ILT		 1771 # In stages 2 and 3, default to linking libstdc++ and libgcc
1772 # statically. But if the user explicitly specified the libraries to
1773 # use, trust that they are doing what they want.
1774 if test "$poststage1_libs" = ""; then
143754cd
NC		 1775 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1776 fi])
1777AC_SUBST(poststage1_ldflags)
1778
4849dfd8 1779# GCC GRAPHITE dependency isl.
1b6c0831 1780# Basic setup is inlined here, actual checks are in config/isl.m4
8e71395b 1781
8e71395b
L		 1782AC_ARG_WITH(isl,
1783 [AS_HELP_STRING(
1784 [--with-isl=PATH],
4849dfd8 1785 [Specify prefix directory for the installed isl package.
8e71395b
L		 1786 Equivalent to --with-isl-include=PATH/include
1787 plus --with-isl-lib=PATH/lib])])
1788
1b6c0831 1789# Treat --without-isl as a request to disable
8e71395b 1790# GRAPHITE support and skip all following checks.
1b6c0831 1791if test "x$with_isl" != "xno"; then
4849dfd8 1792 # Check for isl
8e71395b
L		 1793 dnl Provide configure switches and initialize islinc & isllibs
1794 dnl with user input.
1795 ISL_INIT_FLAGS
4849dfd8 1796 dnl The versions of isl that work for Graphite
1b6c0831 1797 ISL_CHECK_VERSION()
4849dfd8 1798 dnl Only execute fail-action, if isl has been requested.
7ec59b9e 1799 ISL_IF_FAILED([
4849dfd8 1800 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
e28c595f
JM		 1801fi
1802
4849dfd8 1803# If the isl check failed, disable builds of in-tree variant of isl
8e71395b 1804if test "x$with_isl" = xno ||
8e71395b 1805 test "x$gcc_cv_isl" = xno; then
1b6c0831 1806 noconfigdirs="$noconfigdirs isl"
8e71395b 1807 islinc=
7ec59b9e
L		 1808fi
1809
1b6c0831 1810AC_SUBST(isllibs)
8e71395b 1811AC_SUBST(islinc)
8e71395b 1812
700d40ca
ILT		 1813# Check for LTO support.
1814AC_ARG_ENABLE(lto,
7837304f 1815[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1816enable_lto=$enableval,
1817enable_lto=yes; default_enable_lto=yes)
1818
74cea91b
DK		 1819ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1820 build_lto_plugin=yes
1821],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1822 case $target in
52cf9762 1823 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
74cea91b 1824 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1825 *) enable_lto=no ;;
1826 esac
e49e5c92 1827 else
29821356
RW		 1828 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1829 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1830 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1831 # warn during gcc/ subconfigure; unless you're bootstrapping with
1832 # -flto it won't be needed until after installation anyway.
1833 case $target in
52cf9762 1834 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
e49e5c92
DK		 1835 *) if test x"$enable_lto" = x"yes"; then
1836 AC_MSG_ERROR([LTO support is not enabled for this target.])
1837 fi
1838 ;;
1839 esac
1840 fi
a8eb3f0a 1841 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1842 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1843 case $target in
74cea91b 1844 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1845 *) ;;
1846 esac
74cea91b 1847])
700d40ca 1848
1b6c0831
L		 1849AC_ARG_ENABLE(linker-plugin-configure-flags,
1850 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1851 [additional flags for configuring linker plugins @<:@none@:>@])],
1852 extra_linker_plugin_configure_flags=$enableval,
1853 extra_linker_plugin_configure_flags=)
1854AC_SUBST(extra_linker_plugin_configure_flags)
1855AC_ARG_ENABLE(linker-plugin-flags,
1856 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1857 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1858 extra_linker_plugin_flags=$enableval,
1859 extra_linker_plugin_flags=)
1860AC_SUBST(extra_linker_plugin_flags)
1861
e28c595f 1862
7ec59b9e 1863# By default, C and C++ are the only stage 1 languages.
9b134994 1864stage1_languages=,c,
1d39f329 1865
e8a5fa9c 1866# Target libraries that we bootstrap.
2aa2364a 1867bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1868
9e07f89d
NN		 1869# Figure out what language subdirectories are present.
1870# Look if the user specified --enable-languages="..."; if not, use
1871# the environment variable $LANGUAGES if defined. $LANGUAGES might
1872# go away some day.
1873# NB: embedded tabs in this IF block -- do not untabify
1874if test -d ${srcdir}/gcc; then
1875 if test x"${enable_languages+set}" != xset; then
1876 if test x"${LANGUAGES+set}" = xset; then
1877 enable_languages="${LANGUAGES}"
136bb21f 1878 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
9e07f89d
NN		 1879 else
1880 enable_languages=all
1881 fi
1882 else
1883 if test x"${enable_languages}" = x ||
1884 test x"${enable_languages}" = xyes;
1885 then
136bb21f 1886 echo configure.ac: --enable-languages needs at least one language argument 1>&2
9e07f89d
NN		 1887 exit 1
1888 fi
1889 fi
1890 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1891
096f7d00
DE		 1892 # 'f95' is the old name for the 'fortran' language. We issue a warning
1893 # and make the substitution.
1894 case ,${enable_languages}, in
1895 *,f95,*)
136bb21f 1896 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
096f7d00
DE		 1897 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1898 ;;
1899 esac
1900
7ec59b9e
L		 1901 # If bootstrapping, C++ must be enabled.
1902 case ",$enable_languages,:$enable_bootstrap" in
1903 *,c++,*:*) ;;
1904 *:yes)
ffdd6afc
ILT		 1905 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1906 enable_languages="${enable_languages},c++"
1907 else
7ec59b9e 1908 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1909 fi
1910 ;;
1911 esac
1912
9e07f89d
NN		 1913 # First scan to see if an enabled language requires some other language.
1914 # We assume that a given config-lang.in will list all the language
1915 # front ends it requires, even if some are required indirectly.
1916 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1917 case ${lang_frag} in
1918 ..) ;;
1919 # The odd quoting in the next line works around
1920 # an apparent bug in bash 1.12 on linux.
1921 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1922 *)
e552509b
ILT		 1923 # From the config-lang.in, get $language, $lang_requires, and
1924 # $lang_requires_boot_languages.
9e07f89d
NN		 1925 language=
1926 lang_requires=
e552509b 1927 lang_requires_boot_languages=
9e07f89d 1928 . ${lang_frag}
e552509b 1929 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1930 case ,${enable_languages}, in
1931 *,$other,*) ;;
1932 *,all,*) ;;
1933 *,$language,*)
1934 echo " \`$other' language required by \`$language'; enabling" 1>&2
1935 enable_languages="${enable_languages},${other}"
1936 ;;
1937 esac
1938 done
e552509b
ILT		 1939 for other in ${lang_requires_boot_languages} ; do
1940 if test "$other" != "c"; then
1941 case ,${enable_stage1_languages}, in
1942 *,$other,*) ;;
1943 *,all,*) ;;
1944 *)
1945 case ,${enable_languages}, in
1946 *,$language,*)
1947 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1948 enable_stage1_languages="$enable_stage1_languages,${other}"
1949 ;;
1950 esac
1951 ;;
1952 esac
1953 fi
1954 done
9e07f89d
NN		 1955 ;;
1956 esac
1957 done
1958
9b134994 1959 new_enable_languages=,c,
700d40ca
ILT		 1960
1961 # If LTO is enabled, add the LTO front end.
700d40ca 1962 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1963 case ,${enable_languages}, in
1964 *,lto,*) ;;
1965 *) enable_languages="${enable_languages},lto" ;;
1966 esac
a8eb3f0a 1967 if test "${build_lto_plugin}" = "yes" ; then
700d40ca 1968 configdirs="$configdirs lto-plugin"
700d40ca
ILT		 1969 fi
1970 fi
1b6c0831
L		 1971
1972 # If we're building an offloading compiler, add the LTO front end.
1973 if test x"$enable_as_accelerator_for" != x ; then
1974 case ,${enable_languages}, in
1975 *,lto,*) ;;
1976 *) enable_languages="${enable_languages},lto" ;;
1977 esac
1978 fi
700d40ca 1979
9e07f89d 1980 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1981 potential_languages=,c,
9e07f89d 1982
9e1a94f4
ILT		 1983 enabled_target_libs=
1984 disabled_target_libs=
1985
9e07f89d
NN		 1986 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1987 case ${lang_frag} in
1988 ..) ;;
1989 # The odd quoting in the next line works around
1990 # an apparent bug in bash 1.12 on linux.
1991 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1992 *)
7ec59b9e 1993 # From the config-lang.in, get $language, $target_libs,
1d39f329 1994 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1995 language=
1996 target_libs=
1997 lang_dirs=
64ce424c 1998 subdir_requires=
9b134994
PB		 1999 boot_language=no
2000 build_by_default=yes
9e07f89d 2001 . ${lang_frag}
9b134994
PB		 2002 if test x${language} = x; then
2003 echo "${lang_frag} doesn't set \$language." 1>&2
2004 exit 1
2005 fi
2006
ffdd6afc 2007 if test "$language" = "c++"; then
7ec59b9e 2008 boot_language=yes
e8a5fa9c
RW		 2009 fi
2010
8e71395b 2011 add_this_lang=no
9b134994
PB		 2012 case ,${enable_languages}, in
2013 *,${language},*)
7ec59b9e
L		 2014 # Language was explicitly selected; include it
2015 # unless it is C, which is enabled by default.
2016 if test "$language" != "c"; then
2017 add_this_lang=yes
2018 fi
9e07f89d 2019 ;;
9b134994
PB		 2020 *,all,*)
2021 # 'all' was selected, select it if it is a default language
8e71395b
L		 2022 if test "$language" != "c"; then
2023 add_this_lang=${build_by_default}
2024 fi
9e07f89d
NN		 2025 ;;
2026 esac
4b1cb4fe 2027
64ce424c 2028 # Disable languages that need other directories if these aren't available.
1f3f1bbf 2029 for i in $subdir_requires; do
3d3adb43 2030 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 2031 case ,${enable_languages}, in
2032 *,${language},*)
2033 # Specifically requested language; tell them.
2034 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2035 ;;
2036 *)
2037 # Silently disable.
9b134994 2038 add_this_lang=unsupported
64ce424c
PB		 2039 ;;
2040 esac
2041 done
2042
9b134994
PB		 2043 # Disable Ada if no preexisting GNAT is available.
2044 case ,${enable_languages},:${language}:${have_gnat} in
2045 *,${language},*:ada:no)
2046 # Specifically requested language; tell them.
2047 AC_MSG_ERROR([GNAT is required to build $language])
2048 ;;
2049 *:ada:no)
2050 # Silently disable.
2051 add_this_lang=unsupported
2052 ;;
2053 esac
2054
59f7ec45
HPN		 2055 # Disable a language that is unsupported by the target.
2056 case " $unsupported_languages " in
2057 *" $language "*)
9b134994 2058 add_this_lang=unsupported
59f7ec45
HPN		 2059 ;;
2060 esac
2061
4b1cb4fe 2062 case $add_this_lang in
9b134994 2063 unsupported)
9e07f89d 2064 # Remove language-dependent dirs.
9e1a94f4
ILT		 2065 disabled_target_libs="$disabled_target_libs $target_libs"
2066 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 2067 ;;
9b134994
PB		 2068 no)
2069 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 2070 disabled_target_libs="$disabled_target_libs $target_libs"
2071 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 2072 potential_languages="${potential_languages}${language},"
2073 ;;
2074 yes)
2075 new_enable_languages="${new_enable_languages}${language},"
2076 potential_languages="${potential_languages}${language},"
1d39f329 2077 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 2078 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 2079 case "${boot_language}:,$enable_stage1_languages," in
2080 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 2081 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 2082 case ",$stage1_languages," in
2083 *,$language,* | ,yes, | ,all,) ;;
2084 *) stage1_languages="${stage1_languages}${language}," ;;
2085 esac
e8a5fa9c
RW		 2086 # We need to bootstrap any supporting libraries.
2087 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 2088 ;;
2089 esac
2090 ;;
9e07f89d
NN		 2091 esac
2092 ;;
2093 esac
2094 done
2095
9e1a94f4
ILT		 2096 # Add target libraries which are only needed for disabled languages
2097 # to noconfigdirs.
2098 if test -n "$disabled_target_libs"; then
2099 for dir in $disabled_target_libs; do
2100 case " $enabled_target_libs " in
2101 *" ${dir} "*) ;;
2102 *) noconfigdirs="$noconfigdirs $dir" ;;
2103 esac
2104 done
2105 fi
2106
9b134994 2107 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 2108 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2109 [choose additional languages to build during
2110 stage1. Mostly useful for compiler development])],
9b134994
PB		 2111 [case ,${enable_stage1_languages}, in
2112 ,no,|,,)
2113 # Set it to something that will have no effect in the loop below
2114 enable_stage1_languages=c ;;
2115 ,yes,)
2116 enable_stage1_languages=`echo $new_enable_languages | \
2117 sed -e "s/^,//" -e "s/,$//" ` ;;
2118 *,all,*)
2119 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2120 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2121 esac
2122
2123 # Add "good" languages from enable_stage1_languages to stage1_languages,
2124 # while "bad" languages go in missing_languages. Leave no duplicates.
2125 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2126 case $potential_languages in
2127 *,$i,*)
2128 case $stage1_languages in
2129 *,$i,*) ;;
2130 *) stage1_languages="$stage1_languages$i," ;;
2131 esac ;;
2132 *)
2133 case $missing_languages in
2134 *,$i,*) ;;
2135 *) missing_languages="$missing_languages$i," ;;
2136 esac ;;
2137 esac
2138 done])
2139
2140 # Remove leading/trailing commas that were added for simplicity
2141 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2142 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2143 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2144 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2145
9e07f89d
NN		 2146 if test "x$missing_languages" != x; then
2147 AC_MSG_ERROR([
27258dd4 2148The following requested languages could not be built: ${missing_languages}
9b134994 2149Supported languages are: ${potential_languages}])
9e07f89d 2150 fi
9e07f89d
NN		 2151 if test "x$new_enable_languages" != "x$enable_languages"; then
2152 echo The following languages will be built: ${new_enable_languages}
9b134994 2153 enable_languages="$new_enable_languages"
9e07f89d 2154 fi
9b134994
PB		 2155
2156 AC_SUBST(stage1_languages)
81ec575a 2157 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2158fi
2159
a6df5a19
PB		 2160# Handle --disable-<component> generically.
2161for dir in $configdirs $build_configdirs $target_configdirs ; do
2162 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2163 varname=`echo $dirname | sed -e s/+/_/g`
2164 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2165 noconfigdirs="$noconfigdirs $dir"
2166 fi
2167done
2168
4f0ef2d8
CD		 2169# Check for Boehm's garbage collector
2170AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2171[AS_HELP_STRING([--enable-objc-gc],
2172 [enable use of Boehm's garbage collector with the
2173 GNU Objective-C runtime])],
4f0ef2d8
CD		 2174[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2175 *,objc,*:*:yes:*target-boehm-gc*)
2176 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2177 ;;
2178esac])
2179
2180# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2181case ,${enable_languages},:${enable_objc_gc} in
2182 *,objc,*:yes)
4f0ef2d8
CD		 2183 # Keep target-boehm-gc if requested for Objective-C.
2184 ;;
4f0ef2d8 2185 *)
d42c4017
DA		 2186 # Otherwise remove target-boehm-gc depending on target-libjava.
2187 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2188 noconfigdirs="$noconfigdirs target-boehm-gc"
2189 fi
4f0ef2d8
CD		 2190 ;;
2191esac
2192
1b6c0831 2193# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
7ec59b9e 2194case ,${enable_languages}, in
1b6c0831
L		 2195 *,c++,*)
2196 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2197 case "${noconfigdirs}" in
2198 *target-libstdc++-v3*)
2199 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2200 ;;
2201 *) ;;
2202 esac
2203 ;;
7ec59b9e 2204 *)
1b6c0831 2205 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2206 ;;
2207esac
2208
caeba88f
AL		 2209# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2210# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2211# If we have the source for $noconfigdirs entries, add them to $notsupp.
2212
2213notsupp=""
2214for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2215 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2216 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2217 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2218 if test -r $srcdir/$dirname/configure ; then
2219 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2220 true
2221 else
2222 notsupp="$notsupp $dir"
2223 fi
2224 fi
2225 fi
caeba88f
AL		 2226 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2227 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2228 if test -r $srcdir/$dirname/configure ; then
2229 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2230 true
2231 else
2232 notsupp="$notsupp $dir"
2233 fi
2234 fi
2235 fi
9e07f89d
NN		 2236 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2237 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2238 if test -r $srcdir/$dirname/configure ; then
2239 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2240 true
2241 else
2242 notsupp="$notsupp $dir"
2243 fi
2244 fi
2245 fi
2246done
2247
9e07f89d
NN		 2248# Quietly strip out all directories which aren't configurable in this tree.
2249# This relies on all configurable subdirectories being autoconfiscated, which
2250# is now the case.
6a9cf61e
PB		 2251build_configdirs_all="$build_configdirs"
2252build_configdirs=
2253for i in ${build_configdirs_all} ; do
7ec59b9e 2254 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2255 if test -f ${srcdir}/$j/configure ; then
2256 build_configdirs="${build_configdirs} $i"
2257 fi
2258done
2259
9e07f89d
NN		 2260configdirs_all="$configdirs"
2261configdirs=
2262for i in ${configdirs_all} ; do
2263 if test -f ${srcdir}/$i/configure ; then
2264 configdirs="${configdirs} $i"
2265 fi
2266done
6a9cf61e 2267
9e07f89d
NN		 2268target_configdirs_all="$target_configdirs"
2269target_configdirs=
2270for i in ${target_configdirs_all} ; do
7ec59b9e 2271 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2272 if test -f ${srcdir}/$j/configure ; then
2273 target_configdirs="${target_configdirs} $i"
2274 fi
2275done
2276
091021fa
L		 2277# Exclude target-zlib if target-libjava isn't built.
2278case ${target_configdirs} in
2279*target-libjava*)
2280 ;;
2281*)
2282 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2283 ;;
2284esac
2285
1b6c0831
L		 2286# libiberty-linker-plugin is special: it doesn't have its own source directory,
2287# so we have to add it after the preceding checks.
2288if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2289then
2290 case " $configdirs " in
2291 *" libiberty "*)
2292 # If we can build libiberty, we can also build libiberty-linker-plugin.
2293 configdirs="$configdirs libiberty-linker-plugin"
2294 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2295 --with-libiberty=../libiberty-linker-plugin";;
2296 *)
2297 AC_MSG_ERROR([libiberty missing]);;
2298 esac
2299fi
2300
2301# Sometimes we have special requirements for the host libiberty.
2302extra_host_libiberty_configure_flags=
e81d5d05 2303extra_host_zlib_configure_flags=
1b6c0831
L		 2304case " $configdirs " in
2305 *" lto-plugin "* | *" libcc1 "*)
2306 # When these are to be built as shared libraries, the same applies to
2307 # libiberty.
2308 extra_host_libiberty_configure_flags=--enable-shared
2309 ;;
e81d5d05
L		 2310 *" bfd "*)
2311 # When bfd is to be built as a shared library, the same applies to
2312 # zlib.
2313 if test "$enable_shared" = "yes"; then
2314 extra_host_zlib_configure_flags=--enable-host-shared
2315 fi
2316 ;;
1b6c0831
L		 2317esac
2318AC_SUBST(extra_host_libiberty_configure_flags)
e81d5d05 2319AC_SUBST(extra_host_zlib_configure_flags)
1b6c0831 2320
9e07f89d
NN		 2321# Produce a warning message for the subdirs we can't configure.
2322# This isn't especially interesting in the Cygnus tree, but in the individual
2323# FSF releases, it's important to let people know when their machine isn't
2324# supported by the one or two programs in a package.
2325
2326if test -n "${notsupp}" && test -z "${norecursion}" ; then
2327 # If $appdirs is non-empty, at least one of those directories must still
2328 # be configured, or we error out. (E.g., if the gas release supports a
2329 # specified target in some subdirs but not the gas subdir, we shouldn't
2330 # pretend that all is well.)
2331 if test -n "$appdirs" ; then
2332 for dir in $appdirs ; do
2333 if test -r $dir/Makefile.in ; then
2334 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2335 appdirs=""
2336 break
2337 fi
6a9cf61e 2338 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2339 appdirs=""
2340 break
2341 fi
2342 fi
2343 done
2344 if test -n "$appdirs" ; then
2345 echo "*** This configuration is not supported by this package." 1>&2
2346 exit 1
2347 fi
2348 fi
2349 # Okay, some application will build, or we don't care to check. Still
2350 # notify of subdirs not getting built.
2351 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2352 echo " ${notsupp}" 1>&2
2353 echo " (Any other directories should still work fine.)" 1>&2
2354fi
2355
2356case "$host" in
2357 *msdosdjgpp*)
2358 enable_gdbtk=no ;;
2359esac
2360
24ff9987
DJ		 2361# To find our prefix, in gcc_cv_tool_prefix.
2362ACX_TOOL_DIRS
2363
9e07f89d
NN		 2364copy_dirs=
2365
7ec59b9e 2366AC_ARG_WITH([build-sysroot],
7837304f
AS		 2367 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2368 [use sysroot as the system root during the build])],
a19b6204
MM		 2369 [if test x"$withval" != x ; then
2370 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2371 fi],
2372 [SYSROOT_CFLAGS_FOR_TARGET=])
2373AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2374
8a6ee3ab 2375AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2376 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2377 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2378 [if test x"$withval" != x; then
2379 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2380 for debug_map in $withval; do
2381 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2382 done
2383 fi],
2384 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2385AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2386
7f6ef0c0
PB		 2387# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2388# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2389# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2390# We want to ensure that TARGET libraries (which we know are built with
2391# gcc) are built with "-O2 -g", so include those options when setting
2392# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2393if test "x$CFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2394 if test "x${is_cross_compiler}" = xyes; then
2395 CFLAGS_FOR_TARGET="-g -O2"
2396 else
2397 CFLAGS_FOR_TARGET=$CFLAGS
2398 case " $CFLAGS " in
2399 *" -O2 "*) ;;
2400 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2401 esac
2402 case " $CFLAGS " in
2403 *" -g "* | *" -g3 "*) ;;
2404 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2405 esac
2406 fi
7f6ef0c0
PB		 2407fi
2408AC_SUBST(CFLAGS_FOR_TARGET)
2409
2410if test "x$CXXFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2411 if test "x${is_cross_compiler}" = xyes; then
2412 CXXFLAGS_FOR_TARGET="-g -O2"
2413 else
2414 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2415 case " $CXXFLAGS " in
2416 *" -O2 "*) ;;
2417 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2418 esac
2419 case " $CXXFLAGS " in
2420 *" -g "* | *" -g3 "*) ;;
2421 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2422 esac
2423 fi
7f6ef0c0
PB		 2424fi
2425AC_SUBST(CXXFLAGS_FOR_TARGET)
2426
91c1f14c
DK		 2427AC_SUBST(LDFLAGS_FOR_TARGET)
2428
9e07f89d
NN		 2429# Handle --with-headers=XXX. If the value is not "yes", the contents of
2430# the named directory are copied to $(tooldir)/sys-include.
2431if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2432 if test x${is_cross_compiler} = xno ; then
2433 echo 1>&2 '***' --with-headers is only supported when cross compiling
2434 exit 1
2435 fi
2436 if test x"${with_headers}" != xyes ; then
24ff9987 2437 x=${gcc_cv_tool_prefix}
c6b750e1 2438 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2439 fi
2440fi
2441
2442# Handle --with-libs=XXX. If the value is not "yes", the contents of
2443# the name directories are copied to $(tooldir)/lib. Multiple directories
2444# are permitted.
2445if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2446 if test x${is_cross_compiler} = xno ; then
2447 echo 1>&2 '***' --with-libs is only supported when cross compiling
2448 exit 1
2449 fi
2450 if test x"${with_libs}" != xyes ; then
2451 # Copy the libraries in reverse order, so that files in the first named
2452 # library override files in subsequent libraries.
24ff9987 2453 x=${gcc_cv_tool_prefix}
9e07f89d 2454 for l in ${with_libs}; do
c6b750e1 2455 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2456 done
2457 fi
2458fi
2459
700d40ca 2460# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2461#
2462# This is done by determining whether or not the appropriate directory
2463# is available, and by checking whether or not specific configurations
2464# have requested that this magic not happen.
7ec59b9e
L		 2465#
2466# The command line options always override the explicit settings in
136bb21f 2467# configure.ac, and the settings in configure.ac override this magic.
2429c060 2468#
7ec59b9e 2469# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2470# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2471# --without-gnu-ld options for the configure script. Similarly, if
2472# the default is to use the included zlib and you don't want to do that,
2473# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2474
2475if test x${use_gnu_as} = x &&
2476 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2477 with_gnu_as=yes
2478 extra_host_args="$extra_host_args --with-gnu-as"
2479fi
2480
2481if test x${use_gnu_ld} = x &&
93f9b408 2482 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2483 with_gnu_ld=yes
2484 extra_host_args="$extra_host_args --with-gnu-ld"
2485fi
2486
700d40ca
ILT		 2487if test x${use_included_zlib} = x &&
2488 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2489 :
2490else
2491 with_system_zlib=yes
2492 extra_host_args="$extra_host_args --with-system-zlib"
2493fi
2494
2429c060
PB		 2495# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2496# can detect this case.
2497
2498if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2499 with_newlib=yes
2500 extra_host_args="$extra_host_args --with-newlib"
2501fi
2502
9e07f89d
NN		 2503# Handle ${copy_dirs}
2504set fnord ${copy_dirs}
2505shift
2506while test $# != 0 ; do
2507 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2508 :
2509 else
2510 echo Copying $1 to $2
2511
2512 # Use the install script to create the directory and all required
2513 # parent directories.
2514 if test -d $2 ; then
2515 :
2516 else
2517 echo >config.temp
2518 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2519 fi
2520
2521 # Copy the directory, assuming we have tar.
2522 # FIXME: Should we use B in the second tar? Not all systems support it.
2523 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2524
2525 # It is the responsibility of the user to correctly adjust all
2526 # symlinks. If somebody can figure out how to handle them correctly
2527 # here, feel free to add the code.
2528
2529 echo $1 > $2/COPIED
2530 fi
2531 shift; shift
2532done
2533
2429c060
PB		 2534# Determine a target-dependent exec_prefix that the installed
2535# gcc will search in. Keep this list sorted by triplet, with
2536# the *-*-osname triplets last.
2537md_exec_prefix=
2538case "${target}" in
521ec477 2539 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2540 md_exec_prefix=/dev/env/DJDIR/bin
2541 ;;
2429c060 2542 *-*-hpux* | \
2429c060 2543 *-*-nto-qnx* | \
1f111696 2544 *-*-solaris2*)
2429c060
PB		 2545 md_exec_prefix=/usr/ccs/bin
2546 ;;
2547esac
2548
874e38b4
NN		 2549extra_arflags_for_target=
2550extra_nmflags_for_target=
1086bc09 2551extra_ranlibflags_for_target=
a0da8069 2552target_makefile_frag=/dev/null
f48556b1 2553case "${target}" in
77d7106f
AM		 2554 spu-*-*)
2555 target_makefile_frag="config/mt-spu"
2556 ;;
a9d58c06 2557 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2558 target_makefile_frag="config/mt-sde"
2559 ;;
f3b1e08e
RS		 2560 mipsisa*-*-elfoabi*)
2561 target_makefile_frag="config/mt-mips-elfoabi"
2562 ;;
e7c8859c
RS		 2563 mips*-*-*linux* | mips*-*-gnu*)
2564 target_makefile_frag="config/mt-mips-gnu"
2565 ;;
d9e042ac
SL		 2566 nios2-*-elf*)
2567 target_makefile_frag="config/mt-nios2-elf"
2568 ;;
29383458 2569 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2570 target_makefile_frag="config/mt-gnu"
f48556b1 2571 ;;
a0da8069 2572 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2573 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2574 # commands to handle both 32-bit and 64-bit objects. These flags are
2575 # harmless if we're using GNU nm or ar.
2576 extra_arflags_for_target=" -X32_64"
2577 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2578 ;;
b6f83f2a
DD		 2579esac
2580
a0da8069 2581alphaieee_frag=/dev/null
b6f83f2a
DD		 2582case $target in
2583 alpha*-*-*)
2584 # This just makes sure to use the -mieee option to build target libs.
2585 # This should probably be set individually by each library.
2586 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2587 ;;
2588esac
a0a2c6c6 2589
f48556b1
DD		 2590# If --enable-target-optspace always use -Os instead of -O2 to build
2591# the target libraries, similarly if it is not specified, use -Os
2592# on selected platforms.
a0da8069 2593ospace_frag=/dev/null
f48556b1
DD		 2594case "${enable_target_optspace}:${target}" in
2595 yes:*)
b6f83f2a 2596 ospace_frag="config/mt-ospace"
f48556b1
DD		 2597 ;;
2598 :d30v-*)
b6f83f2a 2599 ospace_frag="config/mt-d30v"
f48556b1 2600 ;;
16beab3d 2601 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
b6f83f2a 2602 ospace_frag="config/mt-ospace"
f48556b1
DD		 2603 ;;
2604 no:* | :*)
2605 ;;
2606 *)
2607 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2608 ;;
2609esac
252b5132 2610
a0da8069
NN		 2611# Some systems (e.g., one of the i386-aix systems the gas testers are
2612# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2613tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2614build_tooldir=${tooldir}
2615
a0da8069
NN		 2616# Create a .gdbinit file which runs the one in srcdir
2617# and tells GDB to look there for source files.
2618
2619if test -r ${srcdir}/.gdbinit ; then
2620 case ${srcdir} in
2621 .) ;;
2622 *) cat > ./.gdbinit <<EOF
2623# ${NO_EDIT}
2624dir ${srcdir}
2625dir .
2626source ${srcdir}/.gdbinit
2627EOF
2628 ;;
2629 esac
2630fi
2631
252b5132
RH		 2632# Make sure that the compiler is able to generate an executable. If it
2633# can't, we are probably in trouble. We don't care whether we can run the
2634# executable--we might be using a cross compiler--we only care whether it
2635# can be created. At this point the main configure script has set CC.
a0c4f3a0 2636we_are_ok=no
252b5132
RH		 2637echo "int main () { return 0; }" > conftest.c
2638${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2639if test $? = 0 ; then
2640 if test -s conftest || test -s conftest.exe ; then
2641 we_are_ok=yes
2642 fi
7ec59b9e 2643fi
a0c4f3a0
DD		 2644case $we_are_ok in
2645 no)
2646 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2647 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2648 rm -f conftest*
2649 exit 1
2650 ;;
2651esac
252b5132
RH		 2652rm -f conftest*
2653
3bbd2f8f 2654# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2655case "${host}" in
2656 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2657 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2658 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2659 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2660esac
8607b6c9 2661
3bbd2f8f 2662# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2663# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2664# built executables to PATH.
3bbd2f8f
AL		 2665if test "$RPATH_ENVVAR" = PATH; then
2666 GCC_SHLIB_SUBDIR=/shlib
2667else
2668 GCC_SHLIB_SUBDIR=
2669fi
2670
730af8ee 2671# Adjust the toplevel makefile according to whether bootstrap was selected.
2672case $enable_bootstrap in
2673 yes)
2674 bootstrap_suffix=bootstrap
2675 BUILD_CONFIG=bootstrap-debug
2676 ;;
2677 no)
2678 bootstrap_suffix=no-bootstrap
2679 BUILD_CONFIG=
2680 ;;
2681esac
2682
2683AC_MSG_CHECKING(for default BUILD_CONFIG)
2684
2685AC_ARG_WITH([build-config],
2686 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2687 [use config/NAME.mk build configuration])],
2688 [case $with_build_config in
2689 yes) with_build_config= ;;
2690 no) with_build_config= BUILD_CONFIG= ;;
2691 esac])
2692
2693if test "x${with_build_config}" != x; then
2694 BUILD_CONFIG=$with_build_config
2695else
2696 case $BUILD_CONFIG in
2697 bootstrap-debug)
2698 if echo "int f (void) { return 0; }" > conftest.c &&
2699 ${CC} -c conftest.c &&
2700 mv conftest.o conftest.o.g0 &&
2701 ${CC} -c -g conftest.c &&
2702 mv conftest.o conftest.o.g &&
2703 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2704 :
2705 else
2706 BUILD_CONFIG=
2707 fi
2708 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2709 ;;
2710 esac
2711fi
2712AC_MSG_RESULT($BUILD_CONFIG)
2713AC_SUBST(BUILD_CONFIG)
2714
2715# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2716AC_MSG_CHECKING([for --enable-vtable-verify])
2717AC_ARG_ENABLE(vtable-verify,
ce6c656d
L		 2718[AS_HELP_STRING([--enable-vtable-verify],
2719 [Enable vtable verification feature])],
730af8ee 2720[case "$enableval" in
2721 yes) enable_vtable_verify=yes ;;
2722 no) enable_vtable_verify=no ;;
2723 *) enable_vtable_verify=no;;
2724 esac],
2725[enable_vtable_verify=no])
2726AC_MSG_RESULT($enable_vtable_verify)
2727
3866be5d
NN		 2728# Record target_configdirs and the configure arguments for target and
2729# build configuration in Makefile.
2730target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2731build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2732bootstrap_fixincludes=no
930314a4 2733
2aa2364a
JR		 2734# If we are building libgomp, bootstrap it.
2735if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2736 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2737fi
2738
730af8ee 2739# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2740# or bootstrap-ubsan, bootstrap it.
2741if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2742 case "$BUILD_CONFIG" in
2743 *bootstrap-asan* | *bootstrap-ubsan* )
2744 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2745 bootstrap_fixincludes=yes
730af8ee 2746 ;;
2747 esac
5eb08693
L		 2748fi
2749
730af8ee 2750# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2751if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2752 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2753 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2754fi
2755
1b6c0831
L		 2756# If we are building libmpx, bootstrap it.
2757if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2758 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2759fi
2760
930314a4
NN		 2761# Determine whether gdb needs tk/tcl or not.
2762# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2763# and in that case we want gdb to be built without tk. Ugh!
2764# In fact I believe gdb is the *only* package directly dependent on tk,
2765# so we should be able to put the 'maybe's in unconditionally and
2766# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2767# 100% sure that that's safe though.
c180f501 2768
675c6968 2769gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2770case "$enable_gdbtk" in
2771 no)
2772 GDB_TK="" ;;
c180f501
AC		 2773 yes)
2774 GDB_TK="${gdb_tk}" ;;
930314a4 2775 *)
c180f501
AC		 2776 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2777 # distro. Eventually someone will fix this and move Insight, nee
2778 # gdbtk to a separate directory.
2779 if test -d ${srcdir}/gdb/gdbtk ; then
2780 GDB_TK="${gdb_tk}"
2781 else
2782 GDB_TK=""
2783 fi
2784 ;;
930314a4 2785esac
907be67c
DJ		 2786CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2787INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2788
6bd3dfaa 2789# Strip out unwanted targets.
dd12c3a8
NN		 2790
2791# While at that, we remove Makefiles if we were started for recursive
2792# configuration, so that the top-level Makefile reconfigures them,
2793# like we used to do when configure itself was recursive.
dd12c3a8 2794
06a51eac
RW		 2795# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2796# but now we're fixing up the Makefile ourselves with the additional
2797# commands passed to AC_CONFIG_FILES. Use separate variables
2798# extrasub-{build,host,target} not because there is any reason to split
2799# the substitutions up that way, but only to remain below the limit of
2800# 99 commands in a script, for HP-UX sed.
2801# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2802
16b1ad29
RW		 2803case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2804 yes:yes:*\ gold\ *:*,c++,*) ;;
2805 yes:yes:*\ gold\ *:*)
2806 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2807 ;;
2808esac
2809
06a51eac 2810extrasub_build=
6a9cf61e 2811for module in ${build_configdirs} ; do
dd12c3a8
NN		 2812 if test -z "${no_recursion}" \
2813 && test -f ${build_subdir}/${module}/Makefile; then
2814 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2815 rm -f ${build_subdir}/${module}/Makefile
2816 fi
06a51eac 2817 extrasub_build="$extrasub_build
6bd3dfaa 2818/^@if build-$module\$/d
498d4a71
CF		 2819/^@endif build-$module\$/d
2820/^@if build-$module-$bootstrap_suffix\$/d
2821/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2822done
06a51eac 2823extrasub_host=
dd12c3a8 2824for module in ${configdirs} ; do
80911fe1 2825 if test -z "${no_recursion}"; then
8cf39b1b 2826 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2827 if test -f ${file}; then
2828 echo 1>&2 "*** removing ${file} to force reconfigure"
2829 rm -f ${file}
2830 fi
2831 done
dd12c3a8 2832 fi
201f096f 2833 case ${module},${bootstrap_fixincludes} in
2834 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2835 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2836 esac
06a51eac 2837 extrasub_host="$extrasub_host
6bd3dfaa 2838/^@if $module\$/d
498d4a71 2839/^@endif $module\$/d
201f096f 2840/^@if $module-$host_bootstrap_suffix\$/d
2841/^@endif $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2842done
06a51eac 2843extrasub_target=
dd12c3a8
NN		 2844for module in ${target_configdirs} ; do
2845 if test -z "${no_recursion}" \
2846 && test -f ${target_subdir}/${module}/Makefile; then
2847 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2848 rm -f ${target_subdir}/${module}/Makefile
2849 fi
e8a5fa9c
RW		 2850
2851 # We only bootstrap target libraries listed in bootstrap_target_libs.
2852 case $bootstrap_target_libs in
2853 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2854 *) target_bootstrap_suffix=no-bootstrap ;;
2855 esac
2856
06a51eac 2857 extrasub_target="$extrasub_target
6bd3dfaa 2858/^@if target-$module\$/d
498d4a71 2859/^@endif target-$module\$/d
e8a5fa9c
RW		 2860/^@if target-$module-$target_bootstrap_suffix\$/d
2861/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2862done
319cab08 2863
06a51eac
RW		 2864# Do the final fixup along with target modules.
2865extrasub_target="$extrasub_target
6bd3dfaa 2866/^@if /,/^@endif /d"
930314a4 2867
a2cc058a
NN		 2868# Create the serialization dependencies. This uses a temporary file.
2869
e6bfb94a 2870AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2871[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2872 [force sequential configuration of
2873 sub-packages for the host, target or build
2874 machine, or all sub-packages])])
1047cb91
DD		 2875
2876case ${enable_serial_configure} in
2877 yes)
2878 enable_serial_build_configure=yes
2879 enable_serial_host_configure=yes
2880 enable_serial_target_configure=yes
2881 ;;
2882esac
e6bfb94a 2883
a2cc058a
NN		 2884# These force 'configure's to be done one at a time, to avoid problems
2885# with contention over a shared config.cache.
2886rm -f serdep.tmp
e6bfb94a 2887echo '# serdep.tmp' > serdep.tmp
a2cc058a 2888olditem=
1047cb91 2889test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2890for item in ${build_configdirs} ; do
2891 case ${olditem} in
2892 "") ;;
e6bfb94a 2893 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2894 esac
2895 olditem=${item}
2896done
2897olditem=
1047cb91 2898test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2899for item in ${configdirs} ; do
2900 case ${olditem} in
2901 "") ;;
e6bfb94a 2902 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2903 esac
2904 olditem=${item}
2905done
2906olditem=
1047cb91 2907test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2908for item in ${target_configdirs} ; do
2909 case ${olditem} in
2910 "") ;;
e6bfb94a 2911 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2912 esac
2913 olditem=${item}
2914done
a0da8069
NN		 2915serialization_dependencies=serdep.tmp
2916AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2917
e6bfb94a 2918# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2919# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2920# might not want to pass down to subconfigures. The exception being
2921# --cache-file=/dev/null, which is used to turn off the use of cache
2922# files altogether, and which should be passed on to subconfigures.
2923# Also strip program-prefix, program-suffix, and program-transform-name,
2924# so that we can pass down a consistent program-transform-name.
c6b750e1 2925baseargs=
65b4571a 2926tbaseargs=
c6b750e1
DJ		 2927keep_next=no
2928skip_next=no
2929eval "set -- $ac_configure_args"
b0aaa663
DJ		 2930for ac_arg
2931do
c6b750e1
DJ		 2932 if test X"$skip_next" = X"yes"; then
2933 skip_next=no
2934 continue
2935 fi
2936 if test X"$keep_next" = X"yes"; then
2937 case $ac_arg in
2938 *\'*)
2939 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2940 esac
2941 baseargs="$baseargs '$ac_arg'"
65b4571a 2942 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2943 keep_next=no
2944 continue
2945 fi
2946
2947 # Handle separated arguments. Based on the logic generated by
2948 # autoconf 2.59.
2949 case $ac_arg in
2950 *=* | --config-cache | -C | -disable-* | --disable-* \
2951 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2952 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2953 | -with-* | --with-* | -without-* | --without-* | --x)
2954 separate_arg=no
2955 ;;
2956 -*)
2957 separate_arg=yes
2958 ;;
2959 *)
2960 separate_arg=no
2961 ;;
2962 esac
2963
65b4571a
AO		 2964 skip_targ=no
2965 case $ac_arg in
2966changequote(,)
2967 --with-* | --without-*)
2968 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2969
2970 case $libopt in
2971 *[-_]include)
2972 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2973 ;;
2974 *[-_]lib)
2975 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2976 ;;
2977 *)
2978 lib=$libopt
2979 ;;
2980 esac
2981changequote([,])
2982
2983 case $lib in
1b6c0831 2984 mpc | mpfr | gmp | isl)
65b4571a
AO		 2985 # If we're processing --with-$lib, --with-$lib-include or
2986 # --with-$lib-lib, for one of the libs above, and target is
2987 # different from host, don't pass the current argument to any
2988 # target library's configure.
2989 if test x$is_cross_compiler = xyes; then
2990 skip_targ=yes
2991 fi
2992 ;;
2993 esac
2994 ;;
2995 esac
2996
c6b750e1 2997 case "$ac_arg" in
30167e0a
NC		 2998 --cache-file=/dev/null | \
2999 -cache-file=/dev/null )
3000 # Handled here to avoid the test to skip args below.
3001 baseargs="$baseargs '$ac_arg'"
65b4571a 3002 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 3003 # Assert: $separate_arg should always be no.
3004 keep_next=$separate_arg
3005 ;;
c6b750e1
DJ		 3006 --no*)
3007 continue
3008 ;;
3009 --c* | \
3010 --sr* | \
3011 --ho* | \
3012 --bu* | \
3013 --t* | \
3014 --program-* | \
3015 -cache_file* | \
3016 -srcdir* | \
3017 -host* | \
3018 -build* | \
3019 -target* | \
3020 -program-prefix* | \
3021 -program-suffix* | \
3022 -program-transform-name* )
3023 skip_next=$separate_arg
3024 continue
3025 ;;
3026 -*)
3027 # An option. Add it.
3028 case $ac_arg in
3029 *\'*)
3030 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3031 esac
3032 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 3033 if test X"$skip_targ" = Xno; then
3034 tbaseargs="$tbaseargs '$ac_arg'"
3035 fi
c6b750e1
DJ		 3036 keep_next=$separate_arg
3037 ;;
3038 *)
3039 # Either a variable assignment, or a nonopt (triplet). Don't
3040 # pass it down; let the Makefile handle this.
3041 continue
3042 ;;
3043 esac
3044done
3045# Remove the initial space we just introduced and, as these will be
3046# expanded by make, quote '$'.
3047baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 3048
f27d4f92
DJ		 3049# Add in --program-transform-name, after --program-prefix and
3050# --program-suffix have been applied to it. Autoconf has already
3051# doubled dollar signs and backslashes in program_transform_name; we want
3052# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 3053# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 3054# Also, because we want to override the logic in subdir configure scripts to
3055# choose program_transform_name, replace any s,x,x, with s,y,y,.
3056sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3057${program_transform_name}
3058EOF_SED
3059gcc_transform_name=`cat conftestsed.out`
3060rm -f conftestsed.out
3061baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 3062tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 3063if test "$silent" = yes; then
3064 baseargs="$baseargs --silent"
65b4571a 3065 tbaseargs="$tbaseargs --silent"
2444379b 3066fi
34a0f3cf 3067baseargs="$baseargs --disable-option-checking"
65b4571a 3068tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 3069
4074d5f2
RW		 3070# Record and document user additions to sub configure arguments.
3071AC_ARG_VAR([build_configargs],
3072 [additional configure arguments for build directories])
3073AC_ARG_VAR([host_configargs],
3074 [additional configure arguments for host directories])
3075AC_ARG_VAR([target_configargs],
3076 [additional configure arguments for target directories])
3077
49b7683b
DD		 3078# For the build-side libraries, we just need to pretend we're native,
3079# and not use the same cache file. Multilibs are neither needed nor
1b6c0831
L		 3080# desired. We can't even use the same cache file for all build-side
3081# libraries, as they're compiled differently; some with C, some with
3082# C++ or with different feature-enabling options.
3083build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
91e060aa 3084
ae831be5
NN		 3085# For host modules, accept cache file option, or specification as blank.
3086case "${cache_file}" in
3087"") # empty
3088 cache_file_option="" ;;
a0da8069 3089/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 3090 cache_file_option="--cache-file=${cache_file}" ;;
3091*) # relative path
3092 cache_file_option="--cache-file=../${cache_file}" ;;
3093esac
3094
82252c06
NN		 3095# Host dirs don't like to share a cache file either, horribly enough.
3096# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 3097host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 3098
65b4571a 3099target_configargs="$target_configargs ${tbaseargs}"
49b7683b 3100
252b5132
RH		 3101# Passing a --with-cross-host argument lets the target libraries know
3102# whether they are being built with a cross-compiler or being built
3103# native. However, it would be better to use other mechanisms to make the
3104# sorts of decisions they want to make on this basis. Please consider
3105# this option to be deprecated. FIXME.
a0c4f3a0 3106if test x${is_cross_compiler} = xyes ; then
c6b750e1 3107 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 3108fi
3109
afc0578d 3110# Special user-friendly check for native x86_64-linux build, if
3111# multilib is not explicitly enabled.
3112case "$target:$have_compiler:$host:$target:$enable_multilib" in
3113 x86_64-*linux*:yes:$build:$build:)
ce6c656d 3114 # Make sure we have a development environment that handles 32-bit
afc0578d 3115 dev64=no
3116 echo "int main () { return 0; }" > conftest.c
3117 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3118 if test $? = 0 ; then
3119 if test -s conftest || test -s conftest.exe ; then
3120 dev64=yes
3121 fi
3122 fi
3123 rm -f conftest*
3124 if test x${dev64} != xyes ; then
ce6c656d 3125 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 3126 fi
3127 ;;
3128esac
3129
938d2b74
RW		 3130# Default to --enable-multilib.
3131if test x${enable_multilib} = x ; then
a0da8069 3132 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 3133fi
252b5132
RH		 3134
3135# Pass --with-newlib if appropriate. Note that target_configdirs has
3136# changed from the earlier setting of with_newlib.
a0c4f3a0 3137if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 3138 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 3139fi
3140
95036d20
NN		 3141# Different target subdirs use different values of certain variables
3142# (notably CXX). Worse, multilibs use *lots* of different values.
3143# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3144# it doesn't automatically accept command-line overrides of them.
3145# This means it's not safe for target subdirs to share a cache file,
3146# which is disgusting, but there you have it. Hopefully this can be
3147# fixed in future. It's still worthwhile to use a cache file for each
3148# directory. I think.
3149
ae380b45
MS		 3150# Pass the appropriate --build, --host, --target and --cache-file arguments.
3151# We need to pass --target, as newer autoconf's requires consistency
3152# for target_alias and gcc doesn't manage it consistently.
4b900473 3153target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 3154
9e449d3e 3155FLAGS_FOR_TARGET=
7c1f909c 3156case " $target_configdirs " in
75205f78 3157 *" newlib "*)
a0da8069 3158 case " $target_configargs " in
75205f78 3159 *" --with-newlib "*)
9e449d3e 3160 case "$target" in
1f53ca9a 3161 *-cygwin*)
6d94c122 3162 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 3163 ;;
9e449d3e
AO		 3164 esac
3165
7450026c 3166 # If we're not building GCC, don't discard standard headers.
4d5fd396 3167 if test -d ${srcdir}/gcc; then
63266560 3168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 3169
3170 if test "${build}" != "${host}"; then
3171 # On Canadian crosses, CC_FOR_TARGET will have already been set
3172 # by `configure', so we won't have an opportunity to add -Bgcc/
3173 # to it. This is right: we don't want to search that directory
3174 # for binaries, but we want the header files in there, so add
3175 # them explicitly.
e552509b 3176 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 3177
3178 # Someone might think of using the pre-installed headers on
3179 # Canadian crosses, in case the installed compiler is not fully
3180 # compatible with the compiler being built. In this case, it
3181 # would be better to flag an error than risking having
3182 # incompatible object files being constructed. We can't
3183 # guarantee that an error will be flagged, but let's hope the
3184 # compiler will do it, when presented with incompatible header
3185 # files.
3186 fi
63266560
DD		 3187 fi
3188
0a0d0041 3189 case "${target}-${is_cross_compiler}" in
ec11bdc6 3190 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3191 # Here host == target, so we don't need to build gcc,
3192 # so we don't want to discard standard headers.
3193 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3194 ;;
3195 *)
3196 # If we're building newlib, use its generic headers last, but search
3197 # for any libc-related directories first (so make it the last -B
3198 # switch).
3199 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3200
3201 # If we're building libgloss, find the startup file, simulator library
3202 # and linker script.
3203 case " $target_configdirs " in
3204 *" libgloss "*)
3205 # Look for startup file, simulator library and maybe linker script.
3206 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3207 # Look for libnosys.a in case the target needs it.
3208 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3209 # Most targets have the linker script in the source directory.
3210 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3211 ;;
3212 esac
0a0d0041
TF		 3213 ;;
3214 esac
9e449d3e 3215 ;;
75205f78
DD		 3216 esac
3217 ;;
9e449d3e 3218esac
1f53ca9a 3219
45055374 3220case "$target" in
1f53ca9a
AO		 3221 x86_64-*mingw* | *-w64-mingw*)
3222 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3223 # however, use a symlink named 'mingw' in ${prefix} .
3224 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3225 ;;
3226 *-mingw*)
3227 # MinGW can't be handled as Cygwin above since it does not use newlib.
3228 FLAGS_FOR_TARGET=$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'
3229 ;;
45055374 3230esac
63266560 3231
5fbad20a
DD		 3232# Allow the user to override the flags for
3233# our build compiler if desired.
c66487f8
NC		 3234if test x"${build}" = x"${host}" ; then
3235 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3236 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3237 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3238fi
5fbad20a 3239
63266560
DD		 3240# On Canadian crosses, we'll be searching the right directories for
3241# the previously-installed cross compiler, so don't bother to add
3242# flags for directories within the install tree of the compiler
3243# being built; programs in there won't even run.
4d5fd396 3244if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3245 # Search for pre-installed headers if nothing else fits.
bba45b8b 3246 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3247fi
63266560 3248
7c1f909c 3249if test "x${use_gnu_ld}" = x &&
f48556b1 3250 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3251 # Arrange for us to find uninstalled linker scripts.
b00612cc 3252 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3253fi
3254
a481dbb7
DD		 3255# Search for other target-specific linker scripts and such.
3256case "${target}" in
4e206d7e
DB		 3257 mep*)
3258 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3259 ;;
3260esac
3261
a0da8069 3262# Makefile fragments.
3e707e94
PB		 3263for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3264do
3265 eval fragval=\$$frag
3266 if test $fragval != /dev/null; then
3267 eval $frag=${srcdir}/$fragval
3268 fi
3269done
a0da8069
NN		 3270AC_SUBST_FILE(host_makefile_frag)
3271AC_SUBST_FILE(target_makefile_frag)
3272AC_SUBST_FILE(alphaieee_frag)
3273AC_SUBST_FILE(ospace_frag)
3274
3275# Miscellanea: directories, flags, etc.
a0da8069 3276AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3277AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3278AC_SUBST(tooldir)
3279AC_SUBST(build_tooldir)
907be67c 3280AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3281AC_SUBST(GDB_TK)
907be67c 3282AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3283
3284# Build module lists & subconfigure args.
a0da8069 3285AC_SUBST(build_configargs)
6a9cf61e 3286AC_SUBST(build_configdirs)
a0da8069
NN		 3287
3288# Host module lists & subconfigure args.
3289AC_SUBST(host_configargs)
3290AC_SUBST(configdirs)
911e63d0 3291AC_SUBST(target_configdirs)
a0da8069
NN		 3292
3293# Target module lists & subconfigure args.
a0da8069 3294AC_SUBST(target_configargs)
a6df5a19 3295
a0da8069
NN		 3296
3297# Build tools.
b5714970
PB		 3298AC_SUBST(AR_FOR_BUILD)
3299AC_SUBST(AS_FOR_BUILD)
a0da8069 3300AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3301AC_SUBST(CFLAGS_FOR_BUILD)
3302AC_SUBST(CXXFLAGS_FOR_BUILD)
3303AC_SUBST(CXX_FOR_BUILD)
3304AC_SUBST(DLLTOOL_FOR_BUILD)
3305AC_SUBST(GCJ_FOR_BUILD)
3306AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3307AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3308AC_SUBST(LDFLAGS_FOR_BUILD)
3309AC_SUBST(LD_FOR_BUILD)
3310AC_SUBST(NM_FOR_BUILD)
3311AC_SUBST(RANLIB_FOR_BUILD)
3312AC_SUBST(WINDMC_FOR_BUILD)
3313AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3314
be01d343
PB		 3315# Generate default definitions for YACC, M4, LEX and other programs that run
3316# on the build machine. These are used if the Makefile can't locate these
3317# programs in objdir.
3318MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3319
3320AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3321case " $build_configdirs " in
3322 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3323esac
3324
3325AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3326case " $build_configdirs " in
3327 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3328esac
3329
3330AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3331case " $build_configdirs " in
3332 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3333esac
3334
3335AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3336case " $build_configdirs " in
3337 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3338 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3339esac
3340
3341AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3342case " $build_configdirs " in
3343 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3344esac
3345
3346AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3347case " $build_configdirs " in
3348 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3349 *)
3350changequote(,)
10ad8ef3 3351 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3352 # higher, else we use the "missing" dummy.
3353 if ${MAKEINFO} --version \
10ad8ef3 3354 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3355 :
3356 else
3357 MAKEINFO="$MISSING makeinfo"
3358 fi
3359 ;;
3360changequote([,])
3361esac
3362
3363# FIXME: expect and dejagnu may become build tools?
3364
3365AC_CHECK_PROGS(EXPECT, expect, expect)
3366case " $configdirs " in
3367 *" expect "*)
3368 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3369 ;;
3370esac
3371
3372AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3373case " $configdirs " in
3374 *" dejagnu "*)
6b89cc21 3375 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3376 ;;
3377esac
3378
3379
a0da8069 3380# Host tools.
05cbd757
PB		 3381NCN_STRICT_CHECK_TOOLS(AR, ar)
3382NCN_STRICT_CHECK_TOOLS(AS, as)
3383NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3384NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3385NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3386NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3387NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3388NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3389NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3390NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3391NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3392NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3393NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3394AC_SUBST(CC)
3395AC_SUBST(CXX)
3396AC_SUBST(CFLAGS)
3397AC_SUBST(CXXFLAGS)
a0da8069 3398
be01d343 3399# Target tools.
7ec59b9e 3400AC_ARG_WITH([build-time-tools],
7837304f
AS		 3401 [AS_HELP_STRING([--with-build-time-tools=PATH],
3402 [use given path to find target tools during the build])],
2429c060
PB		 3403 [case x"$withval" in
3404 x/*) ;;
3405 *)
3406 with_build_time_tools=
3407 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3408 ;;
3409 esac],
3410 [with_build_time_tools=])
3411
05cbd757
PB		 3412NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3413NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3414NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3415NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3416NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3417NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3418
3419ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3420ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3421ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3422ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3423ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3424ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3425ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3426ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3427ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3428ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3429ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3430ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3431ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3432
be01d343
PB		 3433RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3434
3435GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3436GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3437GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3438dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3439GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3440 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3441 c++)
3442GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3443 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3444 c++)
3445GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3446GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3447GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3448 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3449GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3450 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3451GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3452 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3453GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3454GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3455GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
1b6c0831 3456GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
be01d343
PB		 3457GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3458GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3459GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3460GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3461GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3462GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3463
be01d343 3464AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3465AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3466
a0da8069
NN		 3467# Certain tools may need extra flags.
3468AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3469RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3470NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3471
be01d343
PB		 3472# When building target libraries, except in a Canadian cross, we use
3473# the same toolchain as the compiler we just built.
3474COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3475COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3476COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3477if test $host = $build; then
3478 case " $configdirs " in
3479 *" gcc "*)
3480 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3481 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3482 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3483 ;;
3484 esac
3485fi
3486
3487AC_SUBST(COMPILER_AS_FOR_TARGET)
3488AC_SUBST(COMPILER_LD_FOR_TARGET)
3489AC_SUBST(COMPILER_NM_FOR_TARGET)
3490
6b784d9f
AO		 3491AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3492AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3493[AS_HELP_STRING([--enable-maintainer-mode],
3494 [enable make rules and dependencies not useful
3495 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3496 USE_MAINTAINER_MODE=$enableval,
3497 USE_MAINTAINER_MODE=no)
3498AC_MSG_RESULT($USE_MAINTAINER_MODE)
3499AC_SUBST(MAINTAINER_MODE_TRUE)
3500AC_SUBST(MAINTAINER_MODE_FALSE)
3501if test "$USE_MAINTAINER_MODE" = yes; then
3502 MAINTAINER_MODE_TRUE=
3503 MAINTAINER_MODE_FALSE='#'
3504else
3505 MAINTAINER_MODE_TRUE='#'
3506 MAINTAINER_MODE_FALSE=
7ec59b9e 3507fi
6b784d9f
AO		 3508MAINT=$MAINTAINER_MODE_TRUE
3509AC_SUBST(MAINT)dnl
3510
1d39f329
NN		 3511# ---------------------
3512# GCC bootstrap support
3513# ---------------------
3514
3515# Stage specific cflags for build.
3516stage1_cflags="-g"
3517case $build in
3518 vax-*-*)
3519 case ${GCC} in
3520 yes) stage1_cflags="-g -Wa,-J" ;;
3521 *) stage1_cflags="-g -J" ;;
3522 esac ;;
1d39f329 3523esac
1d89b610 3524
1d39f329
NN		 3525AC_SUBST(stage1_cflags)
3526
8a0d8a5c
PB		 3527# Enable --enable-checking in stage1 of the compiler.
3528AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3529[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3530 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3531[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3532[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
ce6c656d
L		 3533 # For --disable-checking or implicit --enable-checking=release, avoid
3534 # setting --enable-checking=gc in the default stage1 checking for LTO
3535 # bootstraps. See PR62077.
3536 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
3537 case $BUILD_CONFIG in
3538 *lto*)
3539 if test "x$enable_checking" = x && \
3540 test -d ${srcdir}/gcc && \
3541 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3542 stage1_checking=--enable-checking=yes,types
3543 fi;;
3544 *) stage1_checking=--enable-checking=yes,types;;
3545 esac
8a0d8a5c 3546else
5566c1fa 3547 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3548fi])
3549AC_SUBST(stage1_checking)
3550
1d39f329 3551# Enable -Werror in bootstrap stage2 and later.
1d39f329 3552AC_ARG_ENABLE(werror,
7837304f
AS		 3553[AS_HELP_STRING([--enable-werror],
3554 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3555[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3556 enable_werror=yes
3557else
3558 enable_werror=no
3559fi])
1a6f2dc7
NN		 3560case ${enable_werror} in
3561 yes) stage2_werror_flag="--enable-werror-always" ;;
3562 *) stage2_werror_flag="" ;;
1d39f329 3563esac
1a6f2dc7 3564AC_SUBST(stage2_werror_flag)
1d39f329 3565
82033c9b
JBG		 3566# Enable --enable-host-shared.
3567AC_ARG_ENABLE(host-shared,
3568[AS_HELP_STRING([--enable-host-shared],
3569 [build host code as shared libraries])],
3570[host_shared=$enableval], [host_shared=no])
3571AC_SUBST(host_shared)
3572
1b6c0831
L		 3573# PR jit/64780: Require the user to explicitly specify
3574# --enable-host-shared if the jit is enabled, hinting
3575# that they might want to do a separate configure/build of
3576# the jit, to avoid users from slowing down the rest of the
3577# compiler by enabling the jit.
3578if test ${host_shared} = "no" ; then
3579 case "${enable_languages}" in
3580 *jit*)
3581 AC_MSG_ERROR([
3582Enabling language "jit" requires --enable-host-shared.
3583
3584--enable-host-shared typically slows the rest of the compiler down by
3585a few %, so you must explicitly enable it.
3586
3587If you want to build both the jit and the regular compiler, it is often
3588best to do this via two separate configure/builds, in separate
3589directories, to avoid imposing the performance cost of
3590--enable-host-shared on the regular compiler.])
3591 ;;
3592 *)
3593 ;;
3594 esac
3595fi
3596
e8a5fa9c
RW		 3597# Specify what files to not compare during bootstrap.
3598
3599compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3600case "$target" in
3601 hppa*64*-*-hpux*) ;;
3602 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3603 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3604esac
3605AC_SUBST(compare_exclusions)
3606
06a51eac
RW		 3607AC_CONFIG_FILES([Makefile],
3608 [sed "$extrasub_build" Makefile |
3609 sed "$extrasub_host" |
3610 sed "$extrasub_target" > mf$$
3611 mv -f mf$$ Makefile],
3612 [extrasub_build="$extrasub_build"
3613 extrasub_host="$extrasub_host"
3614 extrasub_target="$extrasub_target"])
3615AC_OUTPUT
GDB Binutils - Deliverables
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