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Updated Spanish translation for the gprof directory
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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,
228cf97d 3# 2014, 2015, 2016, 2019, 2022 Free Software Foundation, Inc.
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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
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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
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16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
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18
19##############################################################################
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20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
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22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
50ad1254 26m4_include(config/gcc-plugin.m4)
228cf97d 27m4_include(config/ax_cxx_compile_stdcxx.m4)
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28m4_include([libtool.m4])
29m4_include([ltoptions.m4])
30m4_include([ltsugar.m4])
31m4_include([ltversion.m4])
32m4_include([lt~obsolete.m4])
7ec59b9e 33m4_include([config/isl.m4])
656fdd47 34
a0da8069 35AC_INIT(move-if-change)
34a0f3cf 36AC_DISABLE_OPTION_CHECKING
c6b750e1 37
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38progname=$0
39# if PWD already has a value, it is probably wrong.
40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41
42# Export original configure arguments for use by sub-configures.
43# Quote arguments with shell meta charatcers.
44TOPLEVEL_CONFIGURE_ARGUMENTS=
45set -- "$progname" "$@"
46for ac_arg
47do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57done
58if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60fi
61# Remove the initial space we just introduced and, as these will be
62# expanded by make, quote '$'.
63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65
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66# Find the build, host, and target systems.
67ACX_NONCANONICAL_BUILD
68ACX_NONCANONICAL_HOST
69ACX_NONCANONICAL_TARGET
70
71dnl Autoconf 2.5x and later will set a default program prefix if
72dnl --target was used, even if it was the same as --host. Disable
73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74dnl to take effect.
75test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
79
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80AC_CANONICAL_SYSTEM
81AC_ARG_PROGRAM
82
c6b750e1 83m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 84m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 85
e5c3f801
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86# Get 'install' or 'install-sh' and its variants.
87AC_PROG_INSTALL
656fdd47 88ACX_PROG_LN
dfdffa2c 89AC_PROG_LN_S
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90AC_PROG_SED
91AC_PROG_AWK
e5c3f801 92
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93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94
95# We pass INSTALL explicitly to sub-makes. Make sure that it is not
96# a relative path.
97if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99fi
100
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101# Set srcdir to "." if that's what it is.
102# This is important for multilib support.
103pwd=`${PWDCMD-pwd}`
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104if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106fi
107
108topsrcdir=$srcpwd
252b5132 109
ae831be5 110extra_host_args=
afefada0 111
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112### To add a new directory to the tree, first choose whether it is a target
113### or a host dependent tool. Then put it into the appropriate list
a2cc058a 114### (library or tools, host or target), doing a dependency sort.
252b5132 115
7ec59b9e 116# Subdirs will be configured in the order listed in build_configdirs,
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117# configdirs, or target_configdirs; see the serialization section below.
118
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119# Dependency sorting is only needed when *configuration* must be done in
120# a particular order. In all cases a dependency should be specified in
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121# the Makefile, whether or not it's implicitly specified here.
122
123# Double entries in build_configdirs, configdirs, or target_configdirs may
124# cause circular dependencies and break everything horribly.
252b5132 125
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126# these library is used by various programs built for the build
127# environment
128#
1b6c0831 129build_libs="build-libiberty build-libcpp"
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130
131# these tools are built for the build environment
a90ef4bf 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 133
252b5132 134# these libraries are used by various programs built for the host environment
1b6c0831 135#f
19e559f1 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libiconv libctf libsframe"
252b5132 137
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138# these tools are built for the host environment
139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140# know that we are building the simulator.
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141# binutils, gas and ld appear in that order because it makes sense to run
142# "make check" in that particular order.
e6de499b 143# If --enable-gold is used, "gold" may replace "ld".
228cf97d 144host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools"
75205f78 145
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146# these libraries are built for the target environment, and are built after
147# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 148# Note that libiberty is not a target library.
b1299c4e 149target_libraries="target-libgcc \
2bf680c4 150 target-libbacktrace \
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151 target-libgloss \
152 target-newlib \
cff87f51 153 target-libgomp \
1b6c0831 154 target-liboffloadmic \
7ec59b9e 155 target-libatomic \
d32e2926 156 target-libitm \
b9459e83 157 target-libstdc++-v3 \
5286fdef 158 target-libsanitizer \
95e43135 159 target-libvtv \
bb780410 160 target-libssp \
e552509b 161 target-libquadmath \
4b1cb4fe 162 target-libgfortran \
05a13254 163 target-libffi \
a2592b1b 164 target-libobjc \
e552509b 165 target-libada \
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166 target-libgo \
167 target-libphobos \
168 target-zlib"
252b5132 169
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170# these tools are built using the target libraries, and are intended to
171# run only in the target environment
252b5132 172#
9c14acb8 173# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 174# list belongs in this list.
252b5132 175#
a90ef4bf 176target_tools="target-rda"
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177
178################################################################################
179
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180## All tools belong in one of the four categories, and are assigned above
181## We assign ${configdirs} this way to remove all embedded newlines. This
182## is important because configure will choke if they ever get through.
183## ${configdirs} is directories we build using the host tools.
184## ${target_configdirs} is directories we build using the target tools.
252b5132 185configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 186target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 187build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 188
9cc8ae67 189m4_divert_text([PARSE_ARGS],
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190[case $srcdir in
191 *" "*)
192m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194m4_popdef([AS_MESSAGE_LOG_FD])dnl
195 ;;
196esac
197ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
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198])
199
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200################################################################################
201
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202srcname="gnu development package"
203
204# This gets set non-empty for some net releases of packages.
205appdirs=""
206
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207# Define is_cross_compiler to save on calls to 'test'.
208is_cross_compiler=
209if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=no
211else
212 is_cross_compiler=yes
7ec59b9e 213fi
c712250a 214
9175bfc0 215# Find the build and target subdir names.
dd12c3a8 216GCC_TOPLEV_SUBDIRS
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217# Be sure to cover against remnants of an in-tree build.
218if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220Use a pristine source tree when building in a separate tree])
221fi
252b5132 222
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223# Skipdirs are removed silently.
224skipdirs=
225# Noconfigdirs are removed loudly.
226noconfigdirs=""
252b5132 227
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228use_gnu_ld=
229# Make sure we don't let GNU ld be added if we didn't want it.
230if test x$with_gnu_ld = xno ; then
231 use_gnu_ld=no
93f9b408 232 noconfigdirs="$noconfigdirs ld gold"
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233fi
234
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235use_gnu_as=
236# Make sure we don't let GNU as be added if we didn't want it.
237if test x$with_gnu_as = xno ; then
238 use_gnu_as=no
239 noconfigdirs="$noconfigdirs gas"
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240fi
241
700d40ca 242use_included_zlib=
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243AC_ARG_WITH(system-zlib,
244[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
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245# Make sure we don't let ZLIB be added if we didn't want it.
246if test x$with_system_zlib = xyes ; then
247 use_included_zlib=no
248 noconfigdirs="$noconfigdirs zlib"
249fi
250
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251# Don't compile the bundled readline/libreadline.a if --with-system-readline
252# is provided.
253if test x$with_system_readline = xyes ; then
254 noconfigdirs="$noconfigdirs readline"
255fi
256
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257AC_ARG_WITH(zstd,
258[AS_HELP_STRING([--with-zstd], [Support zstd compressed debug sections (default=auto)])])
259
7ec59b9e 260# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 261# it's not even worth trying to configure, much less build, that tool.
252b5132 262
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263case ${with_x} in
264 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 265 no)
675c6968 266 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 267 # We won't be able to build gdbtk without X.
7ec59b9e 268 enable_gdbtk=no
ff0a3bf8 269 ;;
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270 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
271esac
252b5132 272
0377a422 273# Some are only suitable for cross toolchains.
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274# Remove these if host=target.
275cross_only="target-libgloss target-newlib target-opcodes"
252b5132 276
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277case $is_cross_compiler in
278 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 279esac
252b5132 280
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281# If both --with-headers and --with-libs are specified, default to
282# --without-newlib.
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283if test x"${with_headers}" != x && test x"${with_headers}" != xno \
284 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
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285 if test x"${with_newlib}" = x ; then
286 with_newlib=no
287 fi
288fi
289
290# Recognize --with-newlib/--without-newlib.
291case ${with_newlib} in
292 no) skipdirs="${skipdirs} target-newlib" ;;
293 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
294esac
295
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296AC_ARG_ENABLE(as-accelerator-for,
297[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
298 [build as offload target compiler.
299 Specify offload host triple by ARG])])
300
301AC_ARG_ENABLE(offload-targets,
302[AS_HELP_STRING([--enable-offload-targets=LIST],
303 [enable offloading to devices from comma-separated LIST of
304 TARGET[=DIR]. Use optional path to find offload target compiler
305 during the build])],
306[
307 if test x"$enable_offload_targets" = x; then
308 AC_MSG_ERROR([no offload targets specified])
309 fi
310], [enable_offload_targets=])
311
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312AC_ARG_ENABLE(offload-defaulted,
313[AS_HELP_STRING([--enable-offload-defaulted]
314 [If enabled, configured but not installed offload compilers and
315 libgomp plugins are silently ignored. Useful for distribution
316 compilers where those are in separate optional packages.])],
317[enable_offload_defaulted=$enableval],
318[enable_offload_defaulted=])
319
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320# Handle --enable-gold, --enable-ld.
321# --disable-gold [--enable-ld]
322# Build only ld. Default option.
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323# --enable-gold [--enable-ld]
324# Build both gold and ld. Install gold as "ld.gold", install ld
325# as "ld.bfd" and "ld".
326# --enable-gold=default [--enable-ld]
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327# Build both gold and ld. Install gold as "ld.gold" and "ld",
328# install ld as "ld.bfd".
329# --enable-gold[=default] --disable-ld
330# Build only gold, which is then installed as both "ld.gold" and "ld".
331# --enable-gold --enable-ld=default
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332# Build both gold (installed as "ld.gold") and ld (installed as "ld"
333# and ld.bfd).
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334# In other words, ld is default
335# --enable-gold=default --enable-ld=default
336# Error.
337
338default_ld=
93f9b408 339AC_ARG_ENABLE(gold,
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340[AS_HELP_STRING([[--enable-gold[=ARG]]],
341 [build gold @<:@ARG={default,yes,no}@:>@])],
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342ENABLE_GOLD=$enableval,
343ENABLE_GOLD=no)
c7791212
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344case "${ENABLE_GOLD}" in
345 yes|default)
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346 # Check for ELF target.
347 is_elf=no
348 case "${target}" in
349 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 350 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 351 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
228cf97d 352 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
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353 case "${target}" in
354 *-*-linux*aout* | *-*-linux*oldld*)
355 ;;
356 *)
357 is_elf=yes
358 ;;
359 esac
360 esac
361
362 if test "$is_elf" = "yes"; then
363 # Check for target supported by gold.
93f9b408 364 case "${target}" in
6d26190c 365 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
228cf97d 366 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-* | loongarch*-*-*)
c7791212
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367 configdirs="$configdirs gold"
368 if test x${ENABLE_GOLD} = xdefault; then
369 default_ld=gold
370 fi
e6de499b 371 ENABLE_GOLD=yes
93f9b408
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372 ;;
373 esac
e6de499b
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374 fi
375 ;;
376 no)
377 ;;
378 *)
379 AC_MSG_ERROR([invalid --enable-gold argument])
380 ;;
c7791212
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381esac
382
383AC_ARG_ENABLE(ld,
7837304f
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384[AS_HELP_STRING([[--enable-ld[=ARG]]],
385 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
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386ENABLE_LD=$enableval,
387ENABLE_LD=yes)
388
389case "${ENABLE_LD}" in
390 default)
d3b50760 391 if test x${default_ld} != x; then
c7791212
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392 AC_MSG_ERROR([either gold or ld can be the default ld])
393 fi
394 ;;
395 yes)
396 ;;
397 no)
398 if test x${ENABLE_GOLD} != xyes; then
399 AC_MSG_WARN([neither ld nor gold are enabled])
400 fi
401 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
402 ;;
403 *)
404 AC_MSG_ERROR([invalid --enable-ld argument])
405 ;;
406esac
93f9b408 407
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408AC_ARG_ENABLE(gprofng,
409[AS_HELP_STRING([[--enable-gprofng[=ARG]]],
410 [build gprofng @<:@ARG={yes,no}@:>@])],
411enable_gprofng=$enableval,
412enable_gprofng=yes)
413if test "$enable_gprofng" = "yes"; then
414 case "${target}" in
415 x86_64-*-linux* | i?86-*-linux* | aarch64-*-linux*)
416 configdirs="$configdirs gprofng"
417 ;;
418 esac
419fi
420
421
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422# PR gas/19109
423# Decide the default method for compressing debug sections.
424# Provide a configure time option to override our default.
425AC_ARG_ENABLE(compressed_debug_sections,
6c3bc0f8 426[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
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427 [Enable compressed debug sections for gas, gold or ld by
428 default])],
429[
430 if test x"$enable_compressed_debug_sections" = xyes; then
431 AC_MSG_ERROR([no program with compressed debug sections specified])
432 fi
433], [enable_compressed_debug_sections=])
434
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435# Select default compression algorithm.
436AC_ARG_ENABLE(default_compressed_debug_sections_algorithm,
437[AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}],
438 [Default compression algorithm for --enable-compressed-debug-sections.])],
439[], [default_compressed_debug_sections_algorithm=])
440
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441# Configure extra directories which are host specific
442
443case "${host}" in
f48556b1 444 *-cygwin*)
3866be5d 445 configdirs="$configdirs libtermcap" ;;
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446esac
447
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448# A target can indicate whether a language isn't supported for some reason.
449# Only spaces may be used in this macro; not newlines or tabs.
450unsupported_languages=
451
7ec59b9e 452# Remove more programs from consideration, based on the host or
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453# target this usually means that a port of the program doesn't
454# exist yet.
455
252b5132 456case "${host}" in
3516a403 457 i[[3456789]]86-*-msdosdjgpp*)
6a608608 458 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 459 ;;
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460esac
461
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462# Default to --disable-year2038 until we can handle differences between
463# projects that use gnulib (which understands year 2038) and projects that
464# do not (like BFD).
465AC_ARG_ENABLE(year2038,
466AS_HELP_STRING([--enable-year2038],
467 [enable support for timestamps past the year 2038]),
468ENABLE_YEAR2038=$enableval,
469ENABLE_YEAR2038=no)
470enable_year2038=
471if test "${ENABLE_YEAR2038}" = "no" ; then
472 enable_year2038=no
473fi
4b1cb4fe 474
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475AC_ARG_ENABLE(libquadmath,
476AS_HELP_STRING([--disable-libquadmath],
477 [do not build libquadmath directory]),
478ENABLE_LIBQUADMATH=$enableval,
479ENABLE_LIBQUADMATH=yes)
480if test "${ENABLE_LIBQUADMATH}" = "no" ; then
481 noconfigdirs="$noconfigdirs target-libquadmath"
482fi
483
484
485AC_ARG_ENABLE(libquadmath-support,
486AS_HELP_STRING([--disable-libquadmath-support],
487 [disable libquadmath support for Fortran]),
488ENABLE_LIBQUADMATH_SUPPORT=$enableval,
489ENABLE_LIBQUADMATH_SUPPORT=yes)
490enable_libquadmath_support=
491if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
492 enable_libquadmath_support=no
493fi
494
495
a2592b1b 496AC_ARG_ENABLE(libada,
7837304f 497[AS_HELP_STRING([--enable-libada], [build libada directory])],
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498ENABLE_LIBADA=$enableval,
499ENABLE_LIBADA=yes)
500if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 501 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD
502fi
503
5f128533 504AC_ARG_ENABLE(libssp,
7837304f 505[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
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506ENABLE_LIBSSP=$enableval,
507ENABLE_LIBSSP=yes)
5f128533 508
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509AC_ARG_ENABLE(libstdcxx,
510AS_HELP_STRING([--disable-libstdcxx],
511 [do not build libstdc++-v3 directory]),
512ENABLE_LIBSTDCXX=$enableval,
513ENABLE_LIBSTDCXX=default)
514[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1b6c0831 515 noconfigdirs="$noconfigdirs target-libstdc++-v3"
f66a9a70
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516fi]
517
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518# If this is accelerator compiler and its target is intelmic we enable
519# target liboffloadmic by default. If this is compiler with offloading
520# for intelmic we enable host liboffloadmic by default. Otherwise
521# liboffloadmic is disabled by default.
522AC_ARG_ENABLE([liboffloadmic],
523AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
524 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
525[case "$enableval" in
526 no | host | target)
527 enable_liboffloadmic=$enableval ;;
528 *)
529 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
530esac],
531[if test x"$enable_as_accelerator_for" != x; then
532 case "${target}" in
533 *-intelmic-* | *-intelmicemul-*)
534 enable_liboffloadmic=target
535 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
536 ;;
537 *)
538 enable_liboffloadmic=no
539 ;;
540 esac
541else
542 case "${enable_offload_targets}" in
543 *-intelmic-* | *-intelmicemul-*)
544 enable_liboffloadmic=host
545 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
546 ;;
547 *)
548 enable_liboffloadmic=no
549 ;;
550 esac
551fi])
552AC_SUBST(extra_liboffloadmic_configure_flags)
553
68996839 554# Enable libgomp by default on hosted POSIX systems, and a few others.
a6df5a19 555if test x$enable_libgomp = x ; then
b3ded179 556 case "${target}" in
29383458 557 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 558 ;;
5b806d27 559 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 560 ;;
2479f722 561 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB
562 ;;
563 *-*-darwin* | *-*-aix*)
564 ;;
228cf97d 565 nvptx*-*-* | amdgcn*-*-*)
68996839 566 ;;
b3ded179
PB
567 *)
568 noconfigdirs="$noconfigdirs target-libgomp"
569 ;;
570 esac
a6df5a19 571fi
b3ded179 572
7ec59b9e
L
573# Disable libatomic on unsupported systems.
574if test -d ${srcdir}/libatomic; then
575 if test x$enable_libatomic = x; then
576 AC_MSG_CHECKING([for libatomic support])
577 if (srcdir=${srcdir}/libatomic; \
578 . ${srcdir}/configure.tgt; \
579 test -n "$UNSUPPORTED")
580 then
581 AC_MSG_RESULT([no])
582 noconfigdirs="$noconfigdirs target-libatomic"
583 else
584 AC_MSG_RESULT([yes])
585 fi
586 fi
587fi
588
1b6c0831
L
589# Disable liboffloadmic on unsupported systems.
590if test -d ${srcdir}/liboffloadmic; then
591 if test x$enable_liboffloadmic != xno; then
592 AC_MSG_CHECKING([for liboffloadmic support])
593 if (srcdir=${srcdir}/liboffloadmic; \
594 . ${srcdir}/configure.tgt; \
595 test -n "$UNSUPPORTED")
596 then
597 AC_MSG_RESULT([no])
598 noconfigdirs="$noconfigdirs target-liboffloadmic"
599 else
600 AC_MSG_RESULT([yes])
601 fi
602 fi
603fi
604
d32e2926
RH
605# Disable libitm on unsupported systems.
606if test -d ${srcdir}/libitm; then
607 if test x$enable_libitm = x; then
608 AC_MSG_CHECKING([for libitm support])
609 if (srcdir=${srcdir}/libitm; \
610 . ${srcdir}/configure.tgt; \
611 test -n "$UNSUPPORTED")
612 then
613 AC_MSG_RESULT([no])
614 noconfigdirs="$noconfigdirs target-libitm"
615 else
616 AC_MSG_RESULT([yes])
617 fi
618 fi
619fi
620
5286fdef
L
621# Disable libsanitizer on unsupported systems.
622if test -d ${srcdir}/libsanitizer; then
623 if test x$enable_libsanitizer = x; then
624 AC_MSG_CHECKING([for libsanitizer support])
625 if (srcdir=${srcdir}/libsanitizer; \
626 . ${srcdir}/configure.tgt; \
627 test -n "$UNSUPPORTED")
628 then
629 AC_MSG_RESULT([no])
630 noconfigdirs="$noconfigdirs target-libsanitizer"
631 else
632 AC_MSG_RESULT([yes])
633 fi
634 fi
635fi
636
95e43135
JBG
637# Disable libvtv on unsupported systems.
638if test -d ${srcdir}/libvtv; then
639 if test x$enable_libvtv = x; then
640 AC_MSG_CHECKING([for libvtv support])
641 if (srcdir=${srcdir}/libvtv; \
642 . ${srcdir}/configure.tgt; \
643 test "$VTV_SUPPORTED" != "yes")
644 then
645 AC_MSG_RESULT([no])
646 noconfigdirs="$noconfigdirs target-libvtv"
647 else
648 AC_MSG_RESULT([yes])
649 fi
650 fi
651fi
652
1488e230
DE
653# Disable libquadmath for some systems.
654case "${target}" in
5286fdef
L
655 avr-*-*)
656 noconfigdirs="$noconfigdirs target-libquadmath"
657 ;;
1488e230
DE
658 # libquadmath is unused on AIX and libquadmath build process use of
659 # LD_LIBRARY_PATH can break AIX bootstrap.
660 powerpc-*-aix* | rs6000-*-aix*)
661 noconfigdirs="$noconfigdirs target-libquadmath"
662 ;;
663esac
664
065a5627
JM
665# Disable libssp for some systems.
666case "${target}" in
667 avr-*-*)
c5f5c3c2 668 # No hosted I/O support.
065a5627
JM
669 noconfigdirs="$noconfigdirs target-libssp"
670 ;;
228cf97d
AM
671 bpf-*-*)
672 noconfigdirs="$noconfigdirs target-libssp"
673 ;;
065a5627
JM
674 powerpc-*-aix* | rs6000-*-aix*)
675 noconfigdirs="$noconfigdirs target-libssp"
676 ;;
228cf97d
AM
677 pru-*-*)
678 # No hosted I/O support.
679 noconfigdirs="$noconfigdirs target-libssp"
680 ;;
99c513f6 681 rl78-*-*)
202e2356
NC
682 # libssp uses a misaligned load to trigger a fault, but the RL78
683 # doesn't fault for those - instead, it gives a build-time error
684 # for explicit misaligned loads.
99c513f6
DD
685 noconfigdirs="$noconfigdirs target-libssp"
686 ;;
1b6c0831
L
687 visium-*-*)
688 # No hosted I/O support.
689 noconfigdirs="$noconfigdirs target-libssp"
690 ;;
065a5627
JM
691esac
692
065a5627 693# Disable libstdc++-v3 for some systems.
228cf97d 694# Allow user to override this if they pass --enable-libstdcxx
f66a9a70
L
695if test "${ENABLE_LIBSTDCXX}" = "default" ; then
696 case "${target}" in
697 *-*-vxworks*)
698 # VxWorks uses the Dinkumware C++ library.
699 noconfigdirs="$noconfigdirs target-libstdc++-v3"
700 ;;
228cf97d
AM
701 amdgcn*-*-*)
702 # Not ported/fails to build when using newlib.
703 noconfigdirs="$noconfigdirs target-libstdc++-v3"
704 ;;
f66a9a70
L
705 arm*-wince-pe*)
706 # the C++ libraries don't build on top of CE's C libraries
707 noconfigdirs="$noconfigdirs target-libstdc++-v3"
708 ;;
709 avr-*-*)
710 noconfigdirs="$noconfigdirs target-libstdc++-v3"
711 ;;
228cf97d
AM
712 bpf-*-*)
713 noconfigdirs="$noconfigdirs target-libstdc++-v3"
714 ;;
969b1713
L
715 ft32-*-*)
716 noconfigdirs="$noconfigdirs target-libstdc++-v3"
717 ;;
f66a9a70
L
718 esac
719fi
065a5627 720
228cf97d
AM
721# Disable C++ on systems where it is known to not work.
722# For testing, you can override this with --enable-languages=c++.
723case ,${enable_languages}, in
724 *,c++,*)
725 ;;
726 *)
727 case "${target}" in
728 bpf-*-*)
729 unsupported_languages="$unsupported_languages c++"
730 ;;
731 esac
732 ;;
733esac
734
735# Disable Objc on systems where it is known to not work.
736# For testing, you can override this with --enable-languages=objc.
737case ,${enable_languages}, in
738 *,objc,*)
739 ;;
740 *)
741 case "${target}" in
742 bpf-*-*)
743 unsupported_languages="$unsupported_languages objc"
744 ;;
745 esac
746 ;;
747esac
748
749# Disable D on systems where it is known to not work.
750# For testing, you can override this with --enable-languages=d.
751case ,${enable_languages}, in
752 *,d,*)
753 ;;
754 *)
755 case "${target}" in
756 bpf-*-*)
757 unsupported_languages="$unsupported_languages d"
758 ;;
759 esac
760 ;;
761esac
762
763# Disable libphobos on unsupported systems.
764# For testing, you can override this with --enable-libphobos.
765if test -d ${srcdir}/libphobos; then
766 if test x$enable_libphobos = x; then
767 AC_MSG_CHECKING([for libphobos support])
768 if (srcdir=${srcdir}/libphobos; \
769 . ${srcdir}/configure.tgt; \
770 test "$LIBPHOBOS_SUPPORTED" != "yes")
771 then
772 AC_MSG_RESULT([no])
773 noconfigdirs="$noconfigdirs target-libphobos"
774 else
775 AC_MSG_RESULT([yes])
776 fi
777 fi
778fi
779
065a5627
JM
780# Disable Fortran for some systems.
781case "${target}" in
782 mmix-*-*)
783 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
784 unsupported_languages="$unsupported_languages fortran"
785 ;;
228cf97d
AM
786 bpf-*-*)
787 unsupported_languages="$unsupported_languages fortran"
788 ;;
065a5627
JM
789esac
790
05a13254 791# Disable libffi for some systems.
0827f9a6 792case "${target}" in
9863d716
JM
793 powerpc-*-darwin*)
794 ;;
795 i[[3456789]]86-*-darwin*)
796 ;;
797 x86_64-*-darwin[[912]]*)
798 ;;
799 *-*-darwin*)
05a13254 800 noconfigdirs="$noconfigdirs target-libffi"
9863d716 801 ;;
9863d716 802 *-*-netware*)
05a13254
NC
803 noconfigdirs="$noconfigdirs target-libffi"
804 ;;
805 *-*-phoenix*)
806 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
807 ;;
808 *-*-rtems*)
05a13254 809 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
810 ;;
811 *-*-tpf*)
05a13254 812 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
813 ;;
814 *-*-uclinux*)
05a13254 815 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
816 ;;
817 *-*-vxworks*)
05a13254
NC
818 noconfigdirs="$noconfigdirs target-libffi"
819 ;;
820 aarch64*-*-freebsd*)
821 noconfigdirs="$noconfigdirs target-libffi"
9863d716 822 ;;
9863d716 823 alpha*-*-*vms*)
05a13254 824 noconfigdirs="$noconfigdirs target-libffi"
9863d716 825 ;;
1b6c0831 826 arm*-*-freebsd*)
05a13254 827 noconfigdirs="$noconfigdirs target-libffi"
1b6c0831 828 ;;
0827f9a6 829 arm-wince-pe)
05a13254 830 noconfigdirs="$noconfigdirs target-libffi"
9863d716 831 ;;
228cf97d
AM
832 arm*-*-symbianelf*)
833 noconfigdirs="$noconfigdirs target-libffi"
834 ;;
835 bpf-*-*)
836 noconfigdirs="$noconfigdirs target-libffi"
837 ;;
9863d716 838 cris-*-* | crisv32-*-*)
9863d716
JM
839 case "${target}" in
840 *-*-linux*)
841 ;;
842 *) # See PR46792 regarding target-libffi.
05a13254 843 noconfigdirs="$noconfigdirs target-libffi";;
9863d716
JM
844 esac
845 ;;
82ae827f 846 hppa*64*-*-hpux*)
05a13254 847 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
848 ;;
849 hppa*-hp-hpux11*)
850 ;;
82ae827f 851 hppa*-*-hpux*)
05a13254 852 noconfigdirs="$noconfigdirs target-libffi"
9863d716 853 ;;
9863d716 854 ia64*-*-*vms*)
05a13254 855 noconfigdirs="$noconfigdirs target-libffi"
9863d716 856 ;;
9863d716 857 i[[3456789]]86-w64-mingw*)
05a13254 858 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
859 ;;
860 i[[3456789]]86-*-mingw*)
05a13254 861 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
862 ;;
863 x86_64-*-mingw*)
05a13254 864 noconfigdirs="$noconfigdirs target-libffi"
9863d716 865 ;;
9863d716 866 mmix-*-*)
05a13254 867 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM
868 ;;
869 powerpc-*-aix*)
9863d716 870 ;;
9863d716 871 rs6000-*-aix*)
9863d716 872 ;;
3f8107ab 873 ft32-*-*)
05a13254 874 noconfigdirs="$noconfigdirs target-libffi"
3f8107ab 875 ;;
9863d716 876 *-*-lynxos*)
05a13254 877 noconfigdirs="$noconfigdirs target-libffi"
1b6c0831
L
878 ;;
879esac
880
881# Disable the go frontend on systems where it is known to not work. Please keep
882# this in sync with contrib/config-list.mk.
883case "${target}" in
228cf97d 884*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
1b6c0831
L
885 unsupported_languages="$unsupported_languages go"
886 ;;
9863d716
JM
887esac
888
919adfe8
TT
889# Only allow gdbserver on some systems.
890if test -d ${srcdir}/gdbserver; then
891 if test x$enable_gdbserver = x; then
892 AC_MSG_CHECKING([for gdbserver support])
893 if (srcdir=${srcdir}/gdbserver; \
894 . ${srcdir}/configure.srv; \
895 test -n "$UNSUPPORTED")
896 then
897 AC_MSG_RESULT([no])
898 noconfigdirs="$noconfigdirs gdbserver"
899 else
900 AC_MSG_RESULT([yes])
901 fi
902 fi
903fi
904
a413f71a
ILT
905# Disable libgo for some systems where it is known to not work.
906# For testing, you can easily override this with --enable-libgo.
907if test x$enable_libgo = x; then
908 case "${target}" in
909 *-*-darwin*)
910 # PR 46986
911 noconfigdirs="$noconfigdirs target-libgo"
912 ;;
913 *-*-cygwin* | *-*-mingw*)
914 noconfigdirs="$noconfigdirs target-libgo"
915 ;;
228cf97d
AM
916 bpf-*-*)
917 noconfigdirs="$noconfigdirs target-libgo"
918 ;;
a413f71a
ILT
919 esac
920fi
921
691bb5a1
DD
922# Default libgloss CPU subdirectory.
923libgloss_dir="$target_cpu"
4b1cb4fe 924
ff46fb8f
JM
925case "${target}" in
926 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
927 libgloss_dir=wince
928 ;;
f1dd87fc
YZ
929 aarch64*-*-* )
930 libgloss_dir=aarch64
931 ;;
ff46fb8f
JM
932 arm*-*-*)
933 libgloss_dir=arm
934 ;;
935 cris-*-* | crisv32-*-*)
936 libgloss_dir=cris
937 ;;
938 hppa*-*-*)
939 libgloss_dir=pa
940 ;;
941 i[[3456789]]86-*-*)
942 libgloss_dir=i386
943 ;;
228cf97d
AM
944 loongarch*-*-*)
945 libgloss_dir=loongarch
946 ;;
ff46fb8f
JM
947 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
948 libgloss_dir=m68hc11
949 ;;
950 m68*-*-* | fido-*-*)
951 libgloss_dir=m68k
952 ;;
953 mips*-*-*)
954 libgloss_dir=mips
955 ;;
956 powerpc*-*-*)
957 libgloss_dir=rs6000
958 ;;
228cf97d
AM
959 pru-*-*)
960 libgloss_dir=pru
961 ;;
ff46fb8f
JM
962 sparc*-*-*)
963 libgloss_dir=sparc
964 ;;
965esac
966
c7e4b184 967# Disable newlib and libgloss for various target OSes.
252b5132 968case "${target}" in
c7e4b184
JM
969 alpha*-dec-osf*)
970 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 ;;
972 i[[3456789]]86-*-linux*)
973 # This section makes it possible to build newlib natively on linux.
974 # If we are using a cross compiler then don't configure newlib.
975 if test x${is_cross_compiler} != xno ; then
976 noconfigdirs="$noconfigdirs target-newlib"
977 fi
978 noconfigdirs="$noconfigdirs target-libgloss"
979 # If we are not using a cross compiler, do configure newlib.
980 # Note however, that newlib will only be configured in this situation
981 # if the --with-newlib option has been given, because otherwise
982 # 'target-newlib' will appear in skipdirs.
983 ;;
984 i[[3456789]]86-*-rdos*)
985 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 ;;
987 sh*-*-pe|mips*-*-pe|arm-wince-pe)
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
989 ;;
990 sparc-*-sunos4*)
991 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
992 ;;
228cf97d
AM
993 bpf-*-*)
994 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
995 ;;
c7e4b184
JM
996 *-*-aix*)
997 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
998 ;;
999 *-*-beos*)
1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1001 ;;
75205f78 1002 *-*-chorusos)
b2f14e4a 1003 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 1004 ;;
c7e4b184
JM
1005 *-*-dragonfly*)
1006 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1007 ;;
1008 *-*-freebsd*)
1009 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1010 ;;
1011 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1012 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1013 ;;
1014 *-*-lynxos*)
1015 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 1016 ;;
c7e4b184
JM
1017 *-*-mingw*)
1018 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1019 ;;
1020 *-*-netbsd*)
1021 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1022 ;;
1023 *-*-netware*)
1024 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1025 ;;
1026 *-*-tpf*)
1027 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1028 ;;
1029 *-*-uclinux*)
1030 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1031 ;;
1032 *-*-vxworks*)
1033 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1034 ;;
1035esac
1036
1037case "${target}" in
1038 *-*-chorusos)
1039 ;;
f075eb5e
TG
1040 aarch64-*-darwin*)
1041 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1042 noconfigdirs="$noconfigdirs sim target-rda"
1043 ;;
228cf97d
AM
1044 amdgcn*-*-*)
1045 ;;
f075eb5e
TG
1046 arm-*-darwin*)
1047 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1048 noconfigdirs="$noconfigdirs sim target-rda"
1049 ;;
24741ab2 1050 powerpc-*-darwin*)
9d39db92 1051 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 1052 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 1053 ;;
85bd1942
TG
1054 i[[3456789]]86-*-darwin*)
1055 noconfigdirs="$noconfigdirs ld gprof"
1056 noconfigdirs="$noconfigdirs sim target-rda"
1057 ;;
e8a5fa9c 1058 x86_64-*-darwin[[912]]*)
652dec25
TG
1059 noconfigdirs="$noconfigdirs ld gas gprof"
1060 noconfigdirs="$noconfigdirs sim target-rda"
1061 ;;
04d1ab34 1062 *-*-darwin*)
d320aacb 1063 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 1064 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 1065 ;;
5b806d27 1066 *-*-dragonfly*)
5b806d27 1067 ;;
de0b4a87 1068 *-*-freebsd*)
228cf97d
AM
1069 if test "x$with_gmp" = x \
1070 && ! test -d ${srcdir}/gmp \
4b1cb4fe
DD
1071 && test -f /usr/local/include/gmp.h; then
1072 with_gmp=/usr/local
1073 fi
4b1cb4fe 1074 ;;
f8a495c8
NC
1075 *-*-kaos*)
1076 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC
1077 noconfigdirs="$noconfigdirs target-libgloss"
1078 ;;
e82380cc 1079 *-*-netbsd*)
e82380cc 1080 ;;
2a3124ca 1081 *-*-netware*)
252b5132 1082 ;;
05a13254
NC
1083 *-*-phoenix*)
1084 noconfigdirs="$noconfigdirs target-libgloss"
1085 ;;
252b5132 1086 *-*-rtems*)
9863d716 1087 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1088 ;;
1587117a
EC
1089 # The tpf target doesn't support gdb yet.
1090 *-*-tpf*)
c7e4b184 1091 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 1092 ;;
c1968181 1093 *-*-uclinux*)
c7e4b184 1094 noconfigdirs="$noconfigdirs target-rda"
c1968181 1095 ;;
252b5132 1096 *-*-vxworks*)
252b5132
RH
1097 ;;
1098 alpha*-dec-osf*)
e99daf2b 1099 # ld works, but does not support shared libraries.
252b5132 1100 # gas doesn't generate exception information.
c7e4b184 1101 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH
1102 ;;
1103 alpha*-*-*vms*)
9863d716 1104 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 1105 ;;
252b5132
RH
1106 alpha*-*-*)
1107 # newlib is not 64 bit ready
9863d716 1108 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 1109 ;;
228cf97d
AM
1110 bpf-*-*)
1111 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
1112 ;;
2fb651f6 1113 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 1114 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 1115 ;;
05a13254
NC
1116 arc*-*-*)
1117 noconfigdirs="$noconfigdirs sim"
252b5132
RH
1118 ;;
1119 arm-*-pe*)
9863d716 1120 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1121 ;;
252b5132 1122 arm-*-riscix*)
b2f14e4a 1123 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1124 ;;
8e71395b
L
1125 avr-*-*)
1126 if test x${with_avrlibc} != xno; then
1127 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1128 fi
1129 ;;
ff72e302 1130 c4x-*-* | tic4x-*-*)
b2f14e4a 1131 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 1132 ;;
b2f14e4a
JM
1133 tic54x-*-*)
1134 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 1135 ;;
252b5132 1136 d10v-*-*)
b2f14e4a 1137 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1138 ;;
252b5132 1139 d30v-*-*)
b2f14e4a 1140 noconfigdirs="$noconfigdirs gdb"
252b5132 1141 ;;
252b5132 1142 fr30-*-elf*)
9863d716 1143 noconfigdirs="$noconfigdirs gdb"
252b5132 1144 ;;
3f8107ab
AM
1145 ft32-*-*)
1146 noconfigdirs="$noconfigdirs target-rda gprof"
1147 ;;
20135e4c 1148 moxie-*-*)
10b8fe5e 1149 noconfigdirs="$noconfigdirs"
20135e4c 1150 ;;
dd1e52a4 1151 h8300*-*-*)
9863d716 1152 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 1153 ;;
252b5132 1154 h8500-*-*)
b2f14e4a 1155 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1156 ;;
caeba88f 1157 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1158 ;;
5569a85f
JDA
1159 hppa*64*-*-hpux*)
1160 noconfigdirs="$noconfigdirs gdb"
1161 ;;
1162 hppa*-*-hpux11*)
1163 noconfigdirs="$noconfigdirs gdb ld"
1164 ;;
93cc359e 1165 hppa*64*-*-linux*)
252b5132 1166 ;;
f0ff0f90 1167 hppa*-*-linux*)
5dcac624 1168 ;;
252b5132 1169 hppa*-*-*elf* | \
09e90eb4 1170 hppa*-*-lites* | \
17240c1f 1171 hppa*-*-openbsd* | \
09e90eb4 1172 hppa*64*-*-*)
4f0ef2d8 1173 ;;
691bb5a1 1174 hppa*-*-pro*)
691bb5a1 1175 ;;
252b5132 1176 hppa*-*-*)
9863d716 1177 noconfigdirs="$noconfigdirs ld"
252b5132 1178 ;;
b07c2aad 1179 i960-*-*)
b2f14e4a 1180 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1181 ;;
2315914d
JW
1182 ia64*-*-elf*)
1183 # No gdb support yet.
0377a422 1184 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1185 ;;
a0c1c920 1186 ia64*-**-hpux*)
92c9a463 1187 # No ld support yet.
5569a85f 1188 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
a0c1c920 1189 ;;
19e99079 1190 ia64*-*-*vms*)
7ec59b9e
L
1191 # No ld support yet.
1192 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1193 ;;
1f53ca9a 1194 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO
1195 ;;
1196 i[[3456789]]86-*-mingw*)
45055374 1197 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1198 ;;
252b5132
RH
1199 *-*-cygwin*)
1200 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1201 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1202 # always build newlib if winsup directory is present.
45055374 1203 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1204 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1205 elif test -d "$srcdir/newlib"; then
45055374 1206 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1207 fi
1f53ca9a 1208 ;;
ec11bdc6 1209 i[[3456789]]86-*-pe)
782cb41f 1210 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1211 ;;
ec11bdc6 1212 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH
1213 # The linker does not yet know about weak symbols in COFF,
1214 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1215 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1216 ;;
ec11bdc6 1217 i[[3456789]]86-*-sco*)
b2f14e4a 1218 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1219 ;;
cff32a7c 1220 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH
1221 noconfigdirs="$noconfigdirs target-libgloss"
1222 ;;
ec11bdc6 1223 i[[3456789]]86-*-sysv4*)
b2f14e4a 1224 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1225 ;;
ec11bdc6 1226 i[[3456789]]86-*-beos*)
c7e4b184 1227 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1228 ;;
b59bea8a 1229 i[[3456789]]86-*-rdos*)
c7e4b184 1230 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1231 ;;
75205f78 1232 mmix-*-*)
9863d716 1233 noconfigdirs="$noconfigdirs gdb"
75205f78 1234 ;;
4970f871 1235 mt-*-*)
cdb9b172
AH
1236 noconfigdirs="$noconfigdirs sim"
1237 ;;
1063beb5
FT
1238 nfp-*-*)
1239 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1240 noconfigdirs="$noconfigdirs $target_libraries"
1241 ;;
11104e42
SC
1242 pdp11-*-*)
1243 noconfigdirs="$noconfigdirs gdb gprof"
1244 ;;
252b5132
RH
1245 powerpc-*-aix*)
1246 # copied from rs6000-*-* entry
c7e4b184 1247 noconfigdirs="$noconfigdirs gprof"
252b5132 1248 ;;
93cc359e 1249 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1250 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1251 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH
1252 # always build newlib.
1253 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1254 ;;
1255 # This is temporary until we can link against shared libraries
1256 powerpcle-*-solaris*)
b2f14e4a 1257 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM
1258 ;;
1259 powerpc-*-beos*)
c7e4b184 1260 noconfigdirs="$noconfigdirs gdb"
252b5132
RH
1261 ;;
1262 rs6000-*-lynxos*)
c7e4b184 1263 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
1264 ;;
1265 rs6000-*-aix*)
c7e4b184 1266 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
1267 ;;
1268 rs6000-*-*)
9863d716 1269 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
1270 ;;
1271 m68k-apollo-*)
b2f14e4a 1272 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1273 ;;
25a07265 1274 microblaze*)
9863d716 1275 noconfigdirs="$noconfigdirs gprof"
25a07265 1276 ;;
a9d58c06 1277 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS
1278 if test x$with_newlib = xyes; then
1279 noconfigdirs="$noconfigdirs gprof"
1280 fi
5bd8be13 1281 ;;
252b5132 1282 mips*-*-irix5*)
b2f14e4a 1283 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH
1284 ;;
1285 mips*-*-irix6*)
9863d716 1286 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1287 ;;
252b5132 1288 mips*-*-bsd*)
e8044f35 1289 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1290 ;;
fad93c55 1291 mips*-*-linux*)
fad93c55 1292 ;;
e8044f35
RS
1293 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1294 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1295 noconfigdirs="$noconfigdirs ld gas gprof"
1296 ;;
252b5132 1297 mips*-*-*)
9863d716 1298 noconfigdirs="$noconfigdirs gprof"
252b5132 1299 ;;
1b6c0831 1300 nvptx*-*-*)
1b6c0831
L
1301 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1302 ;;
05a13254 1303 sh-*-*)
e8a5fa9c
RW
1304 case "${target}" in
1305 sh*-*-elf)
9863d716 1306 ;;
e8a5fa9c 1307 *)
9863d716 1308 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1309 esac
252b5132 1310 ;;
252b5132 1311 sparc-*-sunos4*)
c7e4b184 1312 if test x${is_cross_compiler} = xno ; then
252b5132
RH
1313 use_gnu_ld=no
1314 fi
1315 ;;
619a3713 1316 tic6x-*-*)
40ae9136 1317 noconfigdirs="$noconfigdirs sim"
619a3713 1318 ;;
05a13254 1319 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC
1320 noconfigdirs="$noconfigdirs sim"
1321 ;;
252b5132 1322 v810-*-*)
b2f14e4a 1323 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH
1324 ;;
1325 vax-*-*)
9863d716 1326 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1327 ;;
b29d2641
MR
1328 wasm32-*-*)
1329 noconfigdirs="$noconfigdirs ld"
1330 ;;
228cf97d
AM
1331 loongarch*-*-linux*)
1332 ;;
1333 loongarch*-*-*)
1334 noconfigdirs="$noconfigdirs gprof"
1335 ;;
252b5132
RH
1336esac
1337
1338# If we aren't building newlib, then don't build libgloss, since libgloss
1339# depends upon some newlib header files.
1340case "${noconfigdirs}" in
1341 *target-libgloss*) ;;
1342 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1343esac
252b5132 1344
f48556b1 1345# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1346host_makefile_frag=/dev/null
f48556b1
DD
1347if test -d ${srcdir}/config ; then
1348case "${host}" in
ec11bdc6 1349 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD
1350 host_makefile_frag="config/mh-djgpp"
1351 ;;
1352 *-cygwin*)
e33b51a6 1353 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD
1354 host_makefile_frag="config/mh-cygwin"
1355 ;;
8a1599ab 1356 *-mingw*)
84e7906e 1357 host_makefile_frag="config/mh-mingw"
80f6dcbc 1358 ;;
ce6c656d
L
1359 alpha*-linux*)
1360 host_makefile_frag="config/mh-alpha-linux"
1361 ;;
da888c87 1362 hppa*-hp-hpux10*)
da888c87 1363 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1364 ;;
3516a403 1365 hppa*-hp-hpux*)
da888c87
PB
1366 host_makefile_frag="config/mh-pa"
1367 ;;
7ec59b9e 1368 hppa*-*)
da888c87
PB
1369 host_makefile_frag="config/mh-pa"
1370 ;;
228cf97d 1371 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*)
e552509b 1372 host_makefile_frag="config/mh-darwin"
0df3d27f 1373 ;;
f6d183c0
PB
1374 powerpc-*-aix*)
1375 host_makefile_frag="config/mh-ppc-aix"
1376 ;;
1377 rs6000-*-aix*)
1378 host_makefile_frag="config/mh-ppc-aix"
1379 ;;
f48556b1
DD
1380esac
1381fi
1382
9e07f89d 1383if test "${build}" != "${host}" ; then
b5714970
PB
1384 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1385 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1386 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
228cf97d 1387 CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}"
b5714970 1388 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
228cf97d 1389 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil}
b5714970 1390 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1391 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
228cf97d 1392 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
b5714970
PB
1393 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1394 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1395 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1396 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1397 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1398 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1399else
b5714970
PB
1400 AR_FOR_BUILD="\$(AR)"
1401 AS_FOR_BUILD="\$(AS)"
9e07f89d 1402 CC_FOR_BUILD="\$(CC)"
b5714970 1403 CXX_FOR_BUILD="\$(CXX)"
228cf97d 1404 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)"
b5714970 1405 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1406 GOC_FOR_BUILD="\$(GOC)"
228cf97d 1407 GDC_FOR_BUILD="\$(GDC)"
b5714970
PB
1408 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1409 LD_FOR_BUILD="\$(LD)"
1410 NM_FOR_BUILD="\$(NM)"
1411 RANLIB_FOR_BUILD="\$(RANLIB)"
1412 WINDRES_FOR_BUILD="\$(WINDRES)"
1413 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1414fi
9e07f89d 1415
a8d6316b 1416AC_PROG_CC_C99
24ff9987
DJ
1417AC_PROG_CXX
1418
1419# We must set the default linker to the linker used by gcc for the correct
1420# operation of libtool. If LD is not defined and we are using gcc, try to
1421# set the LD default to the ld used by gcc.
1422if test -z "$LD"; then
1423 if test "$GCC" = yes; then
1424 case $build in
1425 *-*-mingw*)
1426 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1427 *)
1428 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1429 esac
1430 case $gcc_prog_ld in
1431 # Accept absolute paths.
1432 [[\\/]* | [A-Za-z]:[\\/]*)]
1433 LD="$gcc_prog_ld" ;;
1434 esac
1435 fi
9e07f89d
NN
1436fi
1437
b3676d82
EB
1438# Check whether -static-libstdc++ -static-libgcc is supported.
1439have_static_libs=no
1440if test "$GCC" = yes; then
1441 saved_LDFLAGS="$LDFLAGS"
1442
1443 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1444 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1445 AC_LANG_PUSH(C++)
d0ac1c44 1446 AC_LINK_IFELSE([AC_LANG_SOURCE([
a882be68
EB
1447#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1448#error -static-libstdc++ not implemented
1449#endif
d0ac1c44 1450int main() {}])],
b3676d82
EB
1451 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1452 [AC_MSG_RESULT([no])])
1453 AC_LANG_POP(C++)
1454
1455 LDFLAGS="$saved_LDFLAGS"
1456fi
1457
9e07f89d 1458ACX_PROG_GNAT
228cf97d 1459ACX_PROG_GDC
b8908782 1460ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1461
ffdd6afc
ILT
1462AC_ARG_ENABLE([bootstrap],
1463[AS_HELP_STRING([--enable-bootstrap],
1464 [enable bootstrapping @<:@yes if native build@:>@])],,
1465enable_bootstrap=default)
1466
1467# Issue errors and warnings for invalid/strange bootstrap combinations.
1468if test -r $srcdir/gcc/configure; then
1469 have_compiler=yes
1470else
1471 have_compiler=no
1472fi
1473
1474case "$have_compiler:$host:$target:$enable_bootstrap" in
1475 *:*:*:no) ;;
1476
1477 # Default behavior. Enable bootstrap if we have a compiler
1478 # and we are in a native configuration.
1479 yes:$build:$build:default)
1480 enable_bootstrap=yes ;;
1481
1482 *:*:*:default)
1483 enable_bootstrap=no ;;
1484
1485 # We have a compiler and we are in a native configuration, bootstrap is ok
1486 yes:$build:$build:yes)
1487 ;;
1488
1489 # Other configurations, but we have a compiler. Assume the user knows
1490 # what he's doing.
1491 yes:*:*:yes)
1492 AC_MSG_WARN([trying to bootstrap a cross compiler])
1493 ;;
1494
1495 # No compiler: if they passed --enable-bootstrap explicitly, fail
1496 no:*:*:yes)
1497 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1498
1499 # Fail if wrong command line
1500 *)
1501 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1502 ;;
1503esac
1504
228cf97d
AM
1505# When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
1506# C++11 compiler can still start the bootstrap. Otherwise, if building GCC,
1507# require C++11 (or higher).
ce6c656d 1508if test "$enable_bootstrap:$GXX" = "yes:yes"; then
228cf97d
AM
1509 CXX="$CXX -std=c++11"
1510elif test "$have_compiler" = yes; then
1511 AX_CXX_COMPILE_STDCXX(11)
1512
1513 if test "${build}" != "${host}"; then
1514 AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD])
1515 fi
ce6c656d
L
1516fi
1517
af019bfd
L
1518AC_ARG_ENABLE([pgo-build],
1519[AS_HELP_STRING([--enable-pgo-build[[=lto]]],
1520 [enable the PGO build])],
1521[enable_pgo_build=$enableval],
1522[enable_pgo_build=no])
1523
1524# Issue errors and warnings for invalid/strange PGO build combinations.
1525case "$have_compiler:$host:$target:$enable_pgo_build" in
1526 *:*:*:no) ;;
1527
1528 # Allow the PGO build only if we aren't building a compiler and
1529 # we are in a native configuration.
1530 no:$build:$build:yes | no:$build:$build:lto) ;;
1531
1532 # Disallow the PGO bootstrap if we are building a compiler.
1533 yes:*:*:yes | yes:*:*:lto)
1534 AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;;
1535
1536 *)
1537 AC_MSG_ERROR([invalid option for --enable-pgo-build])
1538 ;;
1539esac
1540
1541if test "$enable_pgo_build" != "no"; then
1542 AC_MSG_CHECKING([whether the compiler supports -fprofile-generate])
1543 old_CFLAGS="$CFLAGS"
1544 PGO_BUILD_GEN_CFLAGS="-fprofile-generate"
1545 CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS"
1546 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
1547 [PGO_BUILD_GEN_CFLAGS=])
1548 CFLAGS="$old_CFLAGS"
1549 if test -n "$PGO_BUILD_GEN_CFLAGS"; then
1550 AC_MSG_RESULT([yes])
1551 PGO_BUILD_USE_CFLAGS="-fprofile-use"
1552 else
1553 AC_MSG_RESULT([no])
1554 AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate])
1555 fi
1556
1557 if test "$enable_pgo_build" = "lto"; then
1558 AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects])
1559 old_CFLAGS="$CFLAGS"
1560 PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects"
1561 CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS"
1562 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
1563 [PGO_BUILD_LTO_CFLAGS=])
1564 CFLAGS="$old_CFLAGS"
1565 if test -n "$PGO_BUILD_LTO_CFLAGS"; then
1566 AC_MSG_RESULT([yes])
1567 else
1568 AC_MSG_RESULT([no])
1569 AC_MSG_WARN([LTO is disabled for the PGO build])
1570 fi
1571 fi
1572fi
1573AC_SUBST(PGO_BUILD_GEN_CFLAGS)
1574AC_SUBST(PGO_BUILD_USE_CFLAGS)
1575AC_SUBST(PGO_BUILD_LTO_CFLAGS)
1576
d5f2ee2e
KG
1577# Used for setting $lt_cv_objdir
1578_LT_CHECK_OBJDIR
1579
e8a5fa9c 1580# Check for GMP, MPFR and MPC
99118062
AP
1581require_gmp=no
1582require_mpc=no
1583if test -d ${srcdir}/gcc ; then
1584 require_gmp=yes
1585 require_mpc=yes
1586fi
1587if test -d ${srcdir}/gdb ; then
5fb0e308
CC
1588 if test "x$enable_gdb" != xno; then
1589 require_gmp=yes
1590 fi
99118062
AP
1591fi
1592
1593gmplibs="-lmpfr -lgmp"
1594if test x"$require_mpc" = "xyes" ; then
1595 gmplibs="-lmpc $gmplibs"
1596fi
4b1cb4fe 1597gmpinc=
4b900473 1598have_gmp=no
e8a5fa9c
RW
1599
1600# Specify a location for mpc
1601# check for this first so it ends up on the link line before mpfr.
7837304f
AS
1602AC_ARG_WITH(mpc,
1603[AS_HELP_STRING([--with-mpc=PATH],
1604 [specify prefix directory for installed MPC package.
1605 Equivalent to --with-mpc-include=PATH/include
1606 plus --with-mpc-lib=PATH/lib])])
1607AC_ARG_WITH(mpc-include,
1608[AS_HELP_STRING([--with-mpc-include=PATH],
1609 [specify directory for installed MPC include files])])
1610AC_ARG_WITH(mpc-lib,
1611[AS_HELP_STRING([--with-mpc-lib=PATH],
1612 [specify directory for the installed MPC library])])
e8a5fa9c
RW
1613
1614if test "x$with_mpc" != x; then
d9b76ff9
KG
1615 gmplibs="-L$with_mpc/lib $gmplibs"
1616 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW
1617fi
1618if test "x$with_mpc_include" != x; then
d9b76ff9 1619 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW
1620fi
1621if test "x$with_mpc_lib" != x; then
d9b76ff9 1622 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW
1623fi
1624if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1625 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1626 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW
1627 # Do not test the mpc version. Assume that it is sufficient, since
1628 # it is in the source tree, and the library has not been built yet
1629 # but it would be included on the link line in the version check below
1630 # hence making the test fail.
d9b76ff9 1631 have_gmp=yes
e8a5fa9c 1632fi
4b900473 1633
11b04d1f
DD
1634# Specify a location for mpfr
1635# check for this first so it ends up on the link line before gmp.
7837304f
AS
1636AC_ARG_WITH(mpfr,
1637[AS_HELP_STRING([--with-mpfr=PATH],
1638 [specify prefix directory for installed MPFR package.
1639 Equivalent to --with-mpfr-include=PATH/include
1640 plus --with-mpfr-lib=PATH/lib])])
1641AC_ARG_WITH(mpfr-include,
1642[AS_HELP_STRING([--with-mpfr-include=PATH],
1643 [specify directory for installed MPFR include files])])
1644AC_ARG_WITH(mpfr-lib,
1645[AS_HELP_STRING([--with-mpfr-lib=PATH],
1646 [specify directory for the installed MPFR library])])
11b04d1f
DD
1647
1648if test "x$with_mpfr" != x; then
1649 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1650 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1651fi
8a0d8a5c 1652if test "x$with_mpfr_include" != x; then
d9b76ff9 1653 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB
1654fi
1655if test "x$with_mpfr_lib" != x; then
1656 gmplibs="-L$with_mpfr_lib $gmplibs"
1657fi
4b900473 1658if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21 1659 # MPFR v3.1.0 moved the sources into a src sub-directory.
05a13254
NC
1660 if ! test -d ${srcdir}/mpfr/src; then
1661 AC_MSG_ERROR([dnl
1662Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
58b1dd21 1663 fi
05a13254
NC
1664 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1665 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1666 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
4b900473
PB
1667 # Do not test the mpfr version. Assume that it is sufficient, since
1668 # it is in the source tree, and the library has not been built yet
1669 # but it would be included on the link line in the version check below
1670 # hence making the test fail.
1671 have_gmp=yes
1672fi
11b04d1f 1673
4b1cb4fe 1674# Specify a location for gmp
7837304f
AS
1675AC_ARG_WITH(gmp,
1676[AS_HELP_STRING([--with-gmp=PATH],
1677 [specify prefix directory for the installed GMP package.
1678 Equivalent to --with-gmp-include=PATH/include
1679 plus --with-gmp-lib=PATH/lib])])
1680AC_ARG_WITH(gmp-include,
1681[AS_HELP_STRING([--with-gmp-include=PATH],
1682 [specify directory for installed GMP include files])])
1683AC_ARG_WITH(gmp-lib,
1684[AS_HELP_STRING([--with-gmp-lib=PATH],
1685 [specify directory for the installed GMP library])])
4b1cb4fe 1686
4b1cb4fe 1687
11b04d1f
DD
1688if test "x$with_gmp" != x; then
1689 gmplibs="-L$with_gmp/lib $gmplibs"
1690 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1691fi
8a0d8a5c
PB
1692if test "x$with_gmp_include" != x; then
1693 gmpinc="-I$with_gmp_include $gmpinc"
1694fi
1695if test "x$with_gmp_lib" != x; then
1696 gmplibs="-L$with_gmp_lib $gmplibs"
1697fi
4b900473 1698if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1699 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1700 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1701 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1702 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1703 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB
1704 # Do not test the gmp version. Assume that it is sufficient, since
1705 # it is in the source tree, and the library has not been built yet
1706 # but it would be included on the link line in the version check below
1707 # hence making the test fail.
1708 have_gmp=yes
1709fi
4b1cb4fe 1710
99118062 1711if test "x$require_gmp" = xyes && test "x$have_gmp" = xno; then
4b900473
PB
1712 have_gmp=yes
1713 saved_CFLAGS="$CFLAGS"
1714 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG
1715 # Check for the recommended and required versions of GMP.
1716 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1717 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG
1718 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1719 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1720 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1721 choke me
4b900473 1722 #endif
a009f2e7 1723 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG
1724 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1725 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1726 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1727 choke me
1728 #endif
a009f2e7 1729 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1730 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1731
e8a5fa9c 1732 # If we have GMP, check the MPFR version.
4b900473 1733 if test x"$have_gmp" = xyes; then
a6b5846e
KG
1734 # Check for the recommended and required versions of MPFR.
1735 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1736 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1737 #include <mpfr.h>],[
228cf97d 1738 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
4b900473
PB
1739 choke me
1740 #endif
a009f2e7 1741 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1742 #include <mpfr.h>],[
228cf97d 1743 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
e8a5fa9c
RW
1744 choke me
1745 #endif
a009f2e7 1746 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW
1747 [AC_MSG_RESULT([no]); have_gmp=no])
1748 fi
1749
1750 # Check for the MPC header version.
99118062 1751 if test "x$require_mpc" = xyes && test x"$have_gmp" = xyes ; then
a6b5846e 1752 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW
1753 AC_MSG_CHECKING([for the correct version of mpc.h])
1754 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1755 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW
1756 choke me
1757 #endif
a009f2e7 1758 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG
1759 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1760 choke me
1761 #endif
a009f2e7 1762 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1763 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW
1764 fi
1765
1766 # Now check the MPFR library.
1767 if test x"$have_gmp" = xyes; then
1768 saved_LIBS="$LIBS"
1769 LIBS="$LIBS $gmplibs"
99118062
AP
1770 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1771 AC_TRY_LINK([#include <mpfr.h>],[
a3ca38d2
DD
1772 mpfr_t n;
1773 mpfr_t x;
4b900473 1774 int t;
a3ca38d2
DD
1775 mpfr_init (n);
1776 mpfr_init (x);
228cf97d
AM
1777 mpfr_atan2 (n, n, x, MPFR_RNDN);
1778 mpfr_erfc (n, x, MPFR_RNDN);
1779 mpfr_subnormalize (x, t, MPFR_RNDN);
d9b76ff9
KG
1780 mpfr_clear(n);
1781 mpfr_clear(x);
99118062
AP
1782 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1783 LIBS="$saved_LIBS"
1784 fi
1785
1786 # Now check the MPC library
1787 if test "x$require_mpc" = xyes && test x"$have_gmp" = xyes; then
1788 saved_LIBS="$LIBS"
1789 LIBS="$LIBS $gmplibs"
1790 AC_MSG_CHECKING([for the correct version of the mpc libraries])
1791 AC_TRY_LINK([#include <mpc.h>],[
1792 mpc_t c;
d9b76ff9
KG
1793 mpc_init2 (c, 53);
1794 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1795 mpc_cosh (c, c, MPC_RNDNN);
1796 mpc_pow (c, c, c, MPC_RNDNN);
1797 mpc_acosh (c, c, MPC_RNDNN);
1798 mpc_clear (c);
e8a5fa9c
RW
1799 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1800 LIBS="$saved_LIBS"
4b900473 1801 fi
e8a5fa9c 1802
4b900473 1803 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1804
a6b5846e
KG
1805# The library versions listed in the error message below should match
1806# the HARD-minimums enforced above.
4b900473 1807 if test x$have_gmp != xyes; then
99118062
AP
1808 if test -d ${srcdir}/gcc ; then
1809 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
d9b76ff9
KG
1810Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1811their locations. Source code for these libraries can be found at
1812their respective hosting sites as well as at
228cf97d 1813https://gcc.gnu.org/pub/gcc/infrastructure/. See also
d9b76ff9
KG
1814http://gcc.gnu.org/install/prerequisites.html for additional info. If
1815you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1816make sure that you have installed both the libraries and the header
1817files. They may be located in separate packages.])
99118062
AP
1818 else
1819 AC_MSG_ERROR([Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
1820Try the --with-gmp and/or --with-mpfr options to specify
1821their locations. If you obtained GMP and/or MPFR from a vendor
1822distribution package, make sure that you have installed both the libraries
1823and the header files. They may be located in separate packages.])
1824 fi
4b900473 1825 fi
9dbaa842
DD
1826fi
1827
e8a5fa9c 1828# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD
1829AC_SUBST(gmplibs)
1830AC_SUBST(gmpinc)
e8a5fa9c
RW
1831AC_SUBST(extra_mpfr_configure_flags)
1832AC_SUBST(extra_mpc_gmp_configure_flags)
1833AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1834AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1835
e8a5fa9c
RW
1836# Libraries to use for stage1 or when not bootstrapping.
1837AC_ARG_WITH(stage1-libs,
7837304f 1838[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW
1839[if test "$withval" = "no" -o "$withval" = "yes"; then
1840 stage1_libs=
1841 else
1842 stage1_libs=$withval
1843 fi],
68996839 1844[stage1_libs=])
e8a5fa9c
RW
1845AC_SUBST(stage1_libs)
1846
c1a5d03a
TT
1847# Whether or not to use -static-libstdc++ and -static-libgcc. The
1848# default is yes if gcc is being built; no otherwise. The reason for
1849# this default is that gdb is sometimes linked against GNU Source
1850# Highlight, which is a shared library that uses C++ exceptions. In
1851# this case, -static-libstdc++ will cause crashes.
1852AC_ARG_WITH(static-standard-libraries,
1853[AS_HELP_STRING([--with-static-standard-libraries],
1854 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1855[], [with_static_standard_libraries=auto])
1856if test "$with_static_standard_libraries" = auto; then
1857 with_static_standard_libraries=$have_compiler
1858fi
1859
b3676d82
EB
1860# Linker flags to use for stage1 or when not bootstrapping.
1861AC_ARG_WITH(stage1-ldflags,
1862[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1863[if test "$withval" = "no" -o "$withval" = "yes"; then
1864 stage1_ldflags=
1865 else
1866 stage1_ldflags=$withval
1867 fi],
1868[stage1_ldflags=
1869 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1870 # if supported. But if the user explicitly specified the libraries to use,
1871 # trust that they are doing what they want.
c1a5d03a
TT
1872 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1873 -a "$have_static_libs" = yes; then
b3676d82
EB
1874 stage1_ldflags="-static-libstdc++ -static-libgcc"
1875 fi])
1876AC_SUBST(stage1_ldflags)
1877
68996839 1878# Libraries to use for stage2 and later builds.
e8a5fa9c 1879AC_ARG_WITH(boot-libs,
7837304f 1880[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW
1881[if test "$withval" = "no" -o "$withval" = "yes"; then
1882 poststage1_libs=
1883 else
1884 poststage1_libs=$withval
1885 fi],
68996839 1886[poststage1_libs=])
e8a5fa9c
RW
1887AC_SUBST(poststage1_libs)
1888
143754cd
NC
1889# Linker flags to use for stage2 and later builds.
1890AC_ARG_WITH(boot-ldflags,
7837304f
AS
1891[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1892 [linker flags for stage2 and later])],
143754cd
NC
1893[if test "$withval" = "no" -o "$withval" = "yes"; then
1894 poststage1_ldflags=
1895 else
1896 poststage1_ldflags=$withval
1897 fi],
1898[poststage1_ldflags=
4f11b223
ILT
1899 # In stages 2 and 3, default to linking libstdc++ and libgcc
1900 # statically. But if the user explicitly specified the libraries to
1901 # use, trust that they are doing what they want.
1902 if test "$poststage1_libs" = ""; then
143754cd
NC
1903 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1904 fi])
1905AC_SUBST(poststage1_ldflags)
1906
4849dfd8 1907# GCC GRAPHITE dependency isl.
1b6c0831 1908# Basic setup is inlined here, actual checks are in config/isl.m4
8e71395b 1909
8e71395b
L
1910AC_ARG_WITH(isl,
1911 [AS_HELP_STRING(
1912 [--with-isl=PATH],
4849dfd8 1913 [Specify prefix directory for the installed isl package.
8e71395b
L
1914 Equivalent to --with-isl-include=PATH/include
1915 plus --with-isl-lib=PATH/lib])])
1916
1b6c0831 1917# Treat --without-isl as a request to disable
8e71395b 1918# GRAPHITE support and skip all following checks.
1b6c0831 1919if test "x$with_isl" != "xno"; then
4849dfd8 1920 # Check for isl
8e71395b
L
1921 dnl Provide configure switches and initialize islinc & isllibs
1922 dnl with user input.
1923 ISL_INIT_FLAGS
4849dfd8 1924 dnl The versions of isl that work for Graphite
1b6c0831 1925 ISL_CHECK_VERSION()
4849dfd8 1926 dnl Only execute fail-action, if isl has been requested.
7ec59b9e 1927 ISL_IF_FAILED([
4849dfd8 1928 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
e28c595f
JM
1929fi
1930
4849dfd8 1931# If the isl check failed, disable builds of in-tree variant of isl
8e71395b 1932if test "x$with_isl" = xno ||
8e71395b 1933 test "x$gcc_cv_isl" = xno; then
1b6c0831 1934 noconfigdirs="$noconfigdirs isl"
8e71395b 1935 islinc=
7ec59b9e
L
1936fi
1937
1b6c0831 1938AC_SUBST(isllibs)
8e71395b 1939AC_SUBST(islinc)
8e71395b 1940
700d40ca
ILT
1941# Check for LTO support.
1942AC_ARG_ENABLE(lto,
7837304f 1943[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT
1944enable_lto=$enableval,
1945enable_lto=yes; default_enable_lto=yes)
1946
74cea91b
DK
1947ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1948 build_lto_plugin=yes
1949],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1950 case $target in
bf41f30d 1951 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
74cea91b 1952 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW
1953 *) enable_lto=no ;;
1954 esac
e49e5c92 1955 else
29821356
RW
1956 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1957 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK
1958 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1959 # warn during gcc/ subconfigure; unless you're bootstrapping with
1960 # -flto it won't be needed until after installation anyway.
1961 case $target in
52cf9762 1962 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
e49e5c92
DK
1963 *) if test x"$enable_lto" = x"yes"; then
1964 AC_MSG_ERROR([LTO support is not enabled for this target.])
1965 fi
1966 ;;
1967 esac
1968 fi
a8eb3f0a 1969 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1970 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1971 case $target in
74cea91b 1972 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK
1973 *) ;;
1974 esac
74cea91b 1975])
700d40ca 1976
1b6c0831
L
1977AC_ARG_ENABLE(linker-plugin-configure-flags,
1978 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1979 [additional flags for configuring linker plugins @<:@none@:>@])],
1980 extra_linker_plugin_configure_flags=$enableval,
1981 extra_linker_plugin_configure_flags=)
1982AC_SUBST(extra_linker_plugin_configure_flags)
1983AC_ARG_ENABLE(linker-plugin-flags,
1984 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1985 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1986 extra_linker_plugin_flags=$enableval,
1987 extra_linker_plugin_flags=)
1988AC_SUBST(extra_linker_plugin_flags)
1989
bf41f30d
NC
1990# Enable --enable-host-shared.
1991# Checked early to determine whether jit is an 'all' language
1992AC_ARG_ENABLE(host-shared,
1993[AS_HELP_STRING([--enable-host-shared],
1994 [build host code as shared libraries])],
228cf97d
AM
1995[host_shared=$enableval
1996 case $host in
1997 x86_64-*-darwin* | aarch64-*-darwin*)
1998 if test x$host_shared != xyes ; then
1999 # PIC is the default, and actually cannot be switched off.
2000 echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2
2001 host_shared=yes
2002 fi ;;
2003 *) ;;
2004 esac],
2005[case $host in
2006 x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;;
2007 *) host_shared=no ;;
2008 esac])
bf41f30d 2009AC_SUBST(host_shared)
e28c595f 2010
7ec59b9e 2011# By default, C and C++ are the only stage 1 languages.
9b134994 2012stage1_languages=,c,
1d39f329 2013
e8a5fa9c 2014# Target libraries that we bootstrap.
2aa2364a 2015bootstrap_target_libs=,target-libgcc,
e8a5fa9c 2016
9e07f89d
NN
2017# Figure out what language subdirectories are present.
2018# Look if the user specified --enable-languages="..."; if not, use
2019# the environment variable $LANGUAGES if defined. $LANGUAGES might
2020# go away some day.
2021# NB: embedded tabs in this IF block -- do not untabify
2022if test -d ${srcdir}/gcc; then
2023 if test x"${enable_languages+set}" != xset; then
2024 if test x"${LANGUAGES+set}" = xset; then
2025 enable_languages="${LANGUAGES}"
136bb21f 2026 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
9e07f89d 2027 else
bf41f30d 2028 enable_languages=default
9e07f89d
NN
2029 fi
2030 else
2031 if test x"${enable_languages}" = x ||
2032 test x"${enable_languages}" = xyes;
2033 then
136bb21f 2034 echo configure.ac: --enable-languages needs at least one language argument 1>&2
9e07f89d
NN
2035 exit 1
2036 fi
2037 fi
2038 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2039
096f7d00
DE
2040 # 'f95' is the old name for the 'fortran' language. We issue a warning
2041 # and make the substitution.
2042 case ,${enable_languages}, in
2043 *,f95,*)
136bb21f 2044 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
096f7d00
DE
2045 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
2046 ;;
2047 esac
2048
7ec59b9e
L
2049 # If bootstrapping, C++ must be enabled.
2050 case ",$enable_languages,:$enable_bootstrap" in
2051 *,c++,*:*) ;;
2052 *:yes)
ffdd6afc
ILT
2053 if test -f ${srcdir}/gcc/cp/config-lang.in; then
2054 enable_languages="${enable_languages},c++"
2055 else
7ec59b9e 2056 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT
2057 fi
2058 ;;
2059 esac
2060
9e07f89d
NN
2061 # First scan to see if an enabled language requires some other language.
2062 # We assume that a given config-lang.in will list all the language
2063 # front ends it requires, even if some are required indirectly.
2064 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
2065 case ${lang_frag} in
2066 ..) ;;
2067 # The odd quoting in the next line works around
2068 # an apparent bug in bash 1.12 on linux.
2069 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2070 *)
e552509b
ILT
2071 # From the config-lang.in, get $language, $lang_requires, and
2072 # $lang_requires_boot_languages.
9e07f89d
NN
2073 language=
2074 lang_requires=
e552509b 2075 lang_requires_boot_languages=
bf41f30d
NC
2076 # set srcdir during sourcing lang_frag to the gcc dir.
2077 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
2078 # polutes this shell
2079 saved_srcdir=${srcdir}
2080 srcdir=${srcdir}/gcc . ${lang_frag}
2081 srcdir=${saved_srcdir}
e552509b 2082 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN
2083 case ,${enable_languages}, in
2084 *,$other,*) ;;
bf41f30d 2085 *,default,*) ;;
9e07f89d
NN
2086 *,all,*) ;;
2087 *,$language,*)
2088 echo " \`$other' language required by \`$language'; enabling" 1>&2
2089 enable_languages="${enable_languages},${other}"
2090 ;;
2091 esac
2092 done
e552509b
ILT
2093 for other in ${lang_requires_boot_languages} ; do
2094 if test "$other" != "c"; then
2095 case ,${enable_stage1_languages}, in
2096 *,$other,*) ;;
bf41f30d 2097 *,default,*) ;;
e552509b
ILT
2098 *,all,*) ;;
2099 *)
2100 case ,${enable_languages}, in
2101 *,$language,*)
2102 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
2103 enable_stage1_languages="$enable_stage1_languages,${other}"
2104 ;;
2105 esac
2106 ;;
2107 esac
2108 fi
2109 done
9e07f89d
NN
2110 ;;
2111 esac
2112 done
2113
9b134994 2114 new_enable_languages=,c,
700d40ca
ILT
2115
2116 # If LTO is enabled, add the LTO front end.
700d40ca 2117 if test "$enable_lto" = "yes" ; then
6811fb56
RW
2118 case ,${enable_languages}, in
2119 *,lto,*) ;;
2120 *) enable_languages="${enable_languages},lto" ;;
2121 esac
a8eb3f0a 2122 if test "${build_lto_plugin}" = "yes" ; then
700d40ca 2123 configdirs="$configdirs lto-plugin"
700d40ca
ILT
2124 fi
2125 fi
1b6c0831
L
2126
2127 # If we're building an offloading compiler, add the LTO front end.
2128 if test x"$enable_as_accelerator_for" != x ; then
2129 case ,${enable_languages}, in
2130 *,lto,*) ;;
2131 *) enable_languages="${enable_languages},lto" ;;
2132 esac
2133 fi
700d40ca 2134
bf41f30d 2135 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
9b134994 2136 potential_languages=,c,
9e07f89d 2137
9e1a94f4
ILT
2138 enabled_target_libs=
2139 disabled_target_libs=
2140
9e07f89d
NN
2141 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
2142 case ${lang_frag} in
2143 ..) ;;
2144 # The odd quoting in the next line works around
2145 # an apparent bug in bash 1.12 on linux.
2146 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2147 *)
7ec59b9e 2148 # From the config-lang.in, get $language, $target_libs,
1d39f329 2149 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN
2150 language=
2151 target_libs=
2152 lang_dirs=
64ce424c 2153 subdir_requires=
9b134994
PB
2154 boot_language=no
2155 build_by_default=yes
bf41f30d
NC
2156 # set srcdir during sourcing. See above about save & restore
2157 saved_srcdir=${srcdir}
2158 srcdir=${srcdir}/gcc . ${lang_frag}
2159 srcdir=${saved_srcdir}
9b134994
PB
2160 if test x${language} = x; then
2161 echo "${lang_frag} doesn't set \$language." 1>&2
2162 exit 1
2163 fi
2164
ffdd6afc 2165 if test "$language" = "c++"; then
7ec59b9e 2166 boot_language=yes
e8a5fa9c
RW
2167 fi
2168
8e71395b 2169 add_this_lang=no
bf41f30d
NC
2170 # C is always enabled, so no need to add it again
2171 if test "$language" != "c"; then
2172 case ,${enable_languages}, in
2173 *,${language},*)
2174 # Language was explicitly selected; include it
7ec59b9e 2175 add_this_lang=yes
bf41f30d
NC
2176 ;;
2177 *,all,*)
2178 # All languages are enabled
2179 add_this_lang=all
2180 ;;
2181 *,default,*)
2182 # 'default' was selected, select it if it is a default language
8e71395b 2183 add_this_lang=${build_by_default}
bf41f30d
NC
2184 ;;
2185 esac
2186 fi
4b1cb4fe 2187
64ce424c 2188 # Disable languages that need other directories if these aren't available.
1f3f1bbf 2189 for i in $subdir_requires; do
3d3adb43 2190 test -f "$srcdir/gcc/$i/config-lang.in" && continue
bf41f30d
NC
2191 case ${add_this_lang} in
2192 yes)
64ce424c
PB
2193 # Specifically requested language; tell them.
2194 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2195 ;;
bf41f30d
NC
2196 all)
2197 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
2198 add_this_lang=unsupported
2199 ;;
64ce424c
PB
2200 *)
2201 # Silently disable.
9b134994 2202 add_this_lang=unsupported
64ce424c
PB
2203 ;;
2204 esac
2205 done
2206
9b134994 2207 # Disable Ada if no preexisting GNAT is available.
bf41f30d
NC
2208 case ${add_this_lang}:${language}:${have_gnat} in
2209 yes:ada:no)
9b134994
PB
2210 # Specifically requested language; tell them.
2211 AC_MSG_ERROR([GNAT is required to build $language])
2212 ;;
bf41f30d
NC
2213 all:ada:no)
2214 AC_MSG_WARN([GNAT is required to build $language])
2215 add_this_lang=unsupported
2216 ;;
9b134994
PB
2217 *:ada:no)
2218 # Silently disable.
2219 add_this_lang=unsupported
2220 ;;
2221 esac
2222
228cf97d
AM
2223 # Disable D if no preexisting GDC is available.
2224 case ${add_this_lang}:${language}:${have_gdc} in
2225 yes:d:no)
2226 # Specifically requested language; tell them.
2227 AC_MSG_ERROR([GDC is required to build $language])
2228 ;;
2229 all:d:no)
2230 AC_MSG_WARN([GDC is required to build $language])
2231 add_this_lang=unsupported
2232 ;;
2233 *:d:no)
2234 # Silently disable.
2235 add_this_lang=unsupported
2236 ;;
2237 esac
2238
bf41f30d 2239 # Disable jit if -enable-host-shared not specified
228cf97d
AM
2240 # but not if building for Mingw. All code in Windows
2241 # is position independent code (PIC).
2242 case $target in
2243 *mingw*) ;;
2244 *)
2245 case ${add_this_lang}:${language}:${host_shared} in
2246 yes:jit:no)
2247 # PR jit/64780: explicitly specify --enable-host-shared
bf41f30d
NC
2248 AC_MSG_ERROR([
2249Enabling language "jit" requires --enable-host-shared.
2250
2251--enable-host-shared typically slows the rest of the compiler down by
2252a few %, so you must explicitly enable it.
2253
2254If you want to build both the jit and the regular compiler, it is often
2255best to do this via two separate configure/builds, in separate
2256directories, to avoid imposing the performance cost of
2257--enable-host-shared on the regular compiler.])
228cf97d
AM
2258 ;;
2259 all:jit:no)
2260 AC_MSG_WARN([--enable-host-shared required to build $language])
2261 add_this_lang=unsupported
2262 ;;
2263 *:jit:no)
2264 # Silently disable.
2265 add_this_lang=unsupported
2266 ;;
2267 esac
2268 ;;
2269 esac
bf41f30d
NC
2270
2271 # Disable a language that is unsupported by the target.
2272 case "${add_this_lang}: $unsupported_languages " in
2273 no:*) ;;
2274 unsupported:*) ;;
2275 *:*" $language "*)
2276 AC_MSG_WARN([${language} not supported for this target])
9b134994 2277 add_this_lang=unsupported
59f7ec45
HPN
2278 ;;
2279 esac
2280
4b1cb4fe 2281 case $add_this_lang in
9b134994 2282 unsupported)
9e07f89d 2283 # Remove language-dependent dirs.
9e1a94f4
ILT
2284 disabled_target_libs="$disabled_target_libs $target_libs"
2285 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 2286 ;;
9b134994
PB
2287 no)
2288 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT
2289 disabled_target_libs="$disabled_target_libs $target_libs"
2290 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB
2291 potential_languages="${potential_languages}${language},"
2292 ;;
bf41f30d 2293 all|yes)
9b134994
PB
2294 new_enable_languages="${new_enable_languages}${language},"
2295 potential_languages="${potential_languages}${language},"
1d39f329 2296 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 2297 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW
2298 case "${boot_language}:,$enable_stage1_languages," in
2299 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 2300 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW
2301 case ",$stage1_languages," in
2302 *,$language,* | ,yes, | ,all,) ;;
2303 *) stage1_languages="${stage1_languages}${language}," ;;
2304 esac
e8a5fa9c 2305 # We need to bootstrap any supporting libraries.
228cf97d 2306 bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"`
1d39f329
NN
2307 ;;
2308 esac
2309 ;;
9e07f89d
NN
2310 esac
2311 ;;
2312 esac
2313 done
2314
9e1a94f4
ILT
2315 # Add target libraries which are only needed for disabled languages
2316 # to noconfigdirs.
2317 if test -n "$disabled_target_libs"; then
2318 for dir in $disabled_target_libs; do
2319 case " $enabled_target_libs " in
2320 *" ${dir} "*) ;;
2321 *) noconfigdirs="$noconfigdirs $dir" ;;
2322 esac
2323 done
2324 fi
2325
9b134994 2326 AC_ARG_ENABLE(stage1-languages,
7837304f
AS
2327 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2328 [choose additional languages to build during
2329 stage1. Mostly useful for compiler development])],
9b134994
PB
2330 [case ,${enable_stage1_languages}, in
2331 ,no,|,,)
2332 # Set it to something that will have no effect in the loop below
2333 enable_stage1_languages=c ;;
2334 ,yes,)
2335 enable_stage1_languages=`echo $new_enable_languages | \
2336 sed -e "s/^,//" -e "s/,$//" ` ;;
2337 *,all,*)
2338 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2339 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2340 esac
2341
2342 # Add "good" languages from enable_stage1_languages to stage1_languages,
2343 # while "bad" languages go in missing_languages. Leave no duplicates.
2344 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2345 case $potential_languages in
2346 *,$i,*)
2347 case $stage1_languages in
2348 *,$i,*) ;;
2349 *) stage1_languages="$stage1_languages$i," ;;
2350 esac ;;
2351 *)
2352 case $missing_languages in
2353 *,$i,*) ;;
2354 *) missing_languages="$missing_languages$i," ;;
2355 esac ;;
2356 esac
2357 done])
2358
2359 # Remove leading/trailing commas that were added for simplicity
2360 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2361 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB
2362 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2363 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2364
9e07f89d
NN
2365 if test "x$missing_languages" != x; then
2366 AC_MSG_ERROR([
27258dd4 2367The following requested languages could not be built: ${missing_languages}
9b134994 2368Supported languages are: ${potential_languages}])
9e07f89d 2369 fi
9e07f89d
NN
2370 if test "x$new_enable_languages" != "x$enable_languages"; then
2371 echo The following languages will be built: ${new_enable_languages}
9b134994 2372 enable_languages="$new_enable_languages"
9e07f89d 2373 fi
9b134994
PB
2374
2375 AC_SUBST(stage1_languages)
81ec575a 2376 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN
2377fi
2378
a6df5a19
PB
2379# Handle --disable-<component> generically.
2380for dir in $configdirs $build_configdirs $target_configdirs ; do
2381 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB
2382 varname=`echo $dirname | sed -e s/+/_/g`
2383 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB
2384 noconfigdirs="$noconfigdirs $dir"
2385 fi
2386done
2387
4f0ef2d8
CD
2388# Check for Boehm's garbage collector
2389AC_ARG_ENABLE(objc-gc,
7837304f
AS
2390[AS_HELP_STRING([--enable-objc-gc],
2391 [enable use of Boehm's garbage collector with the
05a13254
NC
2392 GNU Objective-C runtime])])
2393AC_ARG_WITH([target-bdw-gc],
2394[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2395 [specify prefix directory for installed bdw-gc package.
2396 Equivalent to --with-target-bdw-gc-include=PATH/include
2397 plus --with-target-bdw-gc-lib=PATH/lib])])
2398AC_ARG_WITH([target-bdw-gc-include],
2399[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2400 [specify directories for installed bdw-gc include files])])
2401AC_ARG_WITH([target-bdw-gc-lib],
2402[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2403 [specify directories for installed bdw-gc library])])
2404
2405case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2406 AC_MSG_CHECKING([for bdw garbage collector])
2407 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2408 dnl no bdw-gw options, assume default locations
2409 AC_MSG_RESULT([using bdw-gc in default locations])
2410 else
2411 dnl bdw-gw options, first error checking, complete checking in libobjc
2412 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2413 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2414 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2415 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2416 else
2417 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
d42c4017 2418 fi
05a13254 2419 fi
4f0ef2d8
CD
2420esac
2421
bf41f30d 2422# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
7ec59b9e 2423case ,${enable_languages}, in
1b6c0831 2424 *,c++,*)
bf41f30d 2425 # Disable libitm, libsanitizer if we're not building libstdc++
1b6c0831
L
2426 case "${noconfigdirs}" in
2427 *target-libstdc++-v3*)
bf41f30d 2428 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
1b6c0831
L
2429 ;;
2430 *) ;;
2431 esac
2432 ;;
7ec59b9e 2433 *)
bf41f30d 2434 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L
2435 ;;
2436esac
2437
d33228c9
AB
2438# If gcc/ is not in the source tree then we'll not be building a
2439# target compiler, assume in that case we don't want to build any
2440# target libraries or tools.
2441#
2442# This was added primarily for the benefit for binutils-gdb who reuse
2443# this configure script, but don't always have target tools available.
2444if test ! -d ${srcdir}/gcc; then
2445 skipdirs="${skipdirs} ${target_configdirs}"
2446fi
2447
caeba88f
AL
2448# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2449# $build_configdirs and $target_configdirs.
9e07f89d
NN
2450# If we have the source for $noconfigdirs entries, add them to $notsupp.
2451
2452notsupp=""
2453for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2454 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN
2455 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2456 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2457 if test -r $srcdir/$dirname/configure ; then
2458 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2459 true
2460 else
2461 notsupp="$notsupp $dir"
2462 fi
2463 fi
2464 fi
caeba88f
AL
2465 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2466 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2467 if test -r $srcdir/$dirname/configure ; then
2468 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2469 true
2470 else
2471 notsupp="$notsupp $dir"
2472 fi
2473 fi
2474 fi
9e07f89d
NN
2475 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2476 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2477 if test -r $srcdir/$dirname/configure ; then
2478 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2479 true
2480 else
2481 notsupp="$notsupp $dir"
2482 fi
2483 fi
2484 fi
2485done
2486
9e07f89d
NN
2487# Quietly strip out all directories which aren't configurable in this tree.
2488# This relies on all configurable subdirectories being autoconfiscated, which
2489# is now the case.
6a9cf61e
PB
2490build_configdirs_all="$build_configdirs"
2491build_configdirs=
2492for i in ${build_configdirs_all} ; do
7ec59b9e 2493 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB
2494 if test -f ${srcdir}/$j/configure ; then
2495 build_configdirs="${build_configdirs} $i"
2496 fi
2497done
2498
9e07f89d
NN
2499configdirs_all="$configdirs"
2500configdirs=
2501for i in ${configdirs_all} ; do
2502 if test -f ${srcdir}/$i/configure ; then
2503 configdirs="${configdirs} $i"
2504 fi
2505done
6a9cf61e 2506
9e07f89d
NN
2507target_configdirs_all="$target_configdirs"
2508target_configdirs=
2509for i in ${target_configdirs_all} ; do
7ec59b9e 2510 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN
2511 if test -f ${srcdir}/$j/configure ; then
2512 target_configdirs="${target_configdirs} $i"
2513 fi
2514done
2515
1b6c0831
L
2516# libiberty-linker-plugin is special: it doesn't have its own source directory,
2517# so we have to add it after the preceding checks.
2518if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2519then
2520 case " $configdirs " in
2521 *" libiberty "*)
2522 # If we can build libiberty, we can also build libiberty-linker-plugin.
2523 configdirs="$configdirs libiberty-linker-plugin"
2524 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2525 --with-libiberty=../libiberty-linker-plugin";;
2526 *)
2527 AC_MSG_ERROR([libiberty missing]);;
2528 esac
2529fi
2530
2531# Sometimes we have special requirements for the host libiberty.
2532extra_host_libiberty_configure_flags=
2533case " $configdirs " in
a08bdb15 2534 *" lto-plugin "* | *" libcc1 "* | *" gdbserver "*)
1b6c0831
L
2535 # When these are to be built as shared libraries, the same applies to
2536 # libiberty.
2537 extra_host_libiberty_configure_flags=--enable-shared
2538 ;;
95127faf
TV
2539esac
2540AC_SUBST(extra_host_libiberty_configure_flags)
2541
2542# Sometimes we have special requirements for the host zlib.
2543extra_host_zlib_configure_flags=
2544case " $configdirs " in
e81d5d05
L
2545 *" bfd "*)
2546 # When bfd is to be built as a shared library, the same applies to
2547 # zlib.
2548 if test "$enable_shared" = "yes"; then
2549 extra_host_zlib_configure_flags=--enable-host-shared
2550 fi
2551 ;;
1b6c0831 2552esac
e81d5d05 2553AC_SUBST(extra_host_zlib_configure_flags)
1b6c0831 2554
9e07f89d
NN
2555# Produce a warning message for the subdirs we can't configure.
2556# This isn't especially interesting in the Cygnus tree, but in the individual
2557# FSF releases, it's important to let people know when their machine isn't
2558# supported by the one or two programs in a package.
2559
2560if test -n "${notsupp}" && test -z "${norecursion}" ; then
2561 # If $appdirs is non-empty, at least one of those directories must still
2562 # be configured, or we error out. (E.g., if the gas release supports a
2563 # specified target in some subdirs but not the gas subdir, we shouldn't
2564 # pretend that all is well.)
2565 if test -n "$appdirs" ; then
2566 for dir in $appdirs ; do
2567 if test -r $dir/Makefile.in ; then
2568 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2569 appdirs=""
2570 break
2571 fi
6a9cf61e 2572 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN
2573 appdirs=""
2574 break
2575 fi
2576 fi
2577 done
2578 if test -n "$appdirs" ; then
2579 echo "*** This configuration is not supported by this package." 1>&2
2580 exit 1
2581 fi
2582 fi
2583 # Okay, some application will build, or we don't care to check. Still
2584 # notify of subdirs not getting built.
2585 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2586 echo " ${notsupp}" 1>&2
2587 echo " (Any other directories should still work fine.)" 1>&2
2588fi
2589
2590case "$host" in
2591 *msdosdjgpp*)
2592 enable_gdbtk=no ;;
2593esac
2594
24ff9987
DJ
2595# To find our prefix, in gcc_cv_tool_prefix.
2596ACX_TOOL_DIRS
2597
9e07f89d
NN
2598copy_dirs=
2599
7ec59b9e 2600AC_ARG_WITH([build-sysroot],
7837304f
AS
2601 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2602 [use sysroot as the system root during the build])],
a19b6204
MM
2603 [if test x"$withval" != x ; then
2604 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2605 fi],
2606 [SYSROOT_CFLAGS_FOR_TARGET=])
2607AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2608
8a6ee3ab 2609AC_ARG_WITH([debug-prefix-map],
7837304f
AS
2610 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2611 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM
2612 [if test x"$withval" != x; then
2613 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2614 for debug_map in $withval; do
2615 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2616 done
2617 fi],
2618 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2619AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2620
7f6ef0c0
PB
2621# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2622# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2623# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2624# We want to ensure that TARGET libraries (which we know are built with
2625# gcc) are built with "-O2 -g", so include those options when setting
2626# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2627if test "x$CFLAGS_FOR_TARGET" = x; then
1b6c0831
L
2628 if test "x${is_cross_compiler}" = xyes; then
2629 CFLAGS_FOR_TARGET="-g -O2"
2630 else
2631 CFLAGS_FOR_TARGET=$CFLAGS
2632 case " $CFLAGS " in
2633 *" -O2 "*) ;;
2634 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2635 esac
2636 case " $CFLAGS " in
2637 *" -g "* | *" -g3 "*) ;;
2638 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2639 esac
2640 fi
7f6ef0c0
PB
2641fi
2642AC_SUBST(CFLAGS_FOR_TARGET)
2643
2644if test "x$CXXFLAGS_FOR_TARGET" = x; then
1b6c0831
L
2645 if test "x${is_cross_compiler}" = xyes; then
2646 CXXFLAGS_FOR_TARGET="-g -O2"
2647 else
2648 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2649 case " $CXXFLAGS " in
2650 *" -O2 "*) ;;
2651 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2652 esac
2653 case " $CXXFLAGS " in
2654 *" -g "* | *" -g3 "*) ;;
2655 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2656 esac
2657 fi
7f6ef0c0
PB
2658fi
2659AC_SUBST(CXXFLAGS_FOR_TARGET)
2660
91c1f14c
DK
2661AC_SUBST(LDFLAGS_FOR_TARGET)
2662
9e07f89d
NN
2663# Handle --with-headers=XXX. If the value is not "yes", the contents of
2664# the named directory are copied to $(tooldir)/sys-include.
2665if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2666 if test x${is_cross_compiler} = xno ; then
2667 echo 1>&2 '***' --with-headers is only supported when cross compiling
2668 exit 1
2669 fi
2670 if test x"${with_headers}" != xyes ; then
24ff9987 2671 x=${gcc_cv_tool_prefix}
c6b750e1 2672 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN
2673 fi
2674fi
2675
2676# Handle --with-libs=XXX. If the value is not "yes", the contents of
2677# the name directories are copied to $(tooldir)/lib. Multiple directories
2678# are permitted.
2679if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2680 if test x${is_cross_compiler} = xno ; then
2681 echo 1>&2 '***' --with-libs is only supported when cross compiling
2682 exit 1
2683 fi
2684 if test x"${with_libs}" != xyes ; then
2685 # Copy the libraries in reverse order, so that files in the first named
2686 # library override files in subsequent libraries.
24ff9987 2687 x=${gcc_cv_tool_prefix}
9e07f89d 2688 for l in ${with_libs}; do
c6b750e1 2689 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN
2690 done
2691 fi
2692fi
2693
700d40ca 2694# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB
2695#
2696# This is done by determining whether or not the appropriate directory
2697# is available, and by checking whether or not specific configurations
2698# have requested that this magic not happen.
7ec59b9e
L
2699#
2700# The command line options always override the explicit settings in
136bb21f 2701# configure.ac, and the settings in configure.ac override this magic.
2429c060 2702#
7ec59b9e 2703# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2704# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT
2705# --without-gnu-ld options for the configure script. Similarly, if
2706# the default is to use the included zlib and you don't want to do that,
2707# you should use the --with-system-zlib option for the configure script.
2429c060
PB
2708
2709if test x${use_gnu_as} = x &&
2710 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2711 with_gnu_as=yes
2712 extra_host_args="$extra_host_args --with-gnu-as"
2713fi
2714
2715if test x${use_gnu_ld} = x &&
93f9b408 2716 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB
2717 with_gnu_ld=yes
2718 extra_host_args="$extra_host_args --with-gnu-ld"
2719fi
2720
700d40ca
ILT
2721if test x${use_included_zlib} = x &&
2722 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2723 :
2724else
2725 with_system_zlib=yes
2726 extra_host_args="$extra_host_args --with-system-zlib"
2727fi
2728
2429c060
PB
2729# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2730# can detect this case.
2731
2732if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2733 with_newlib=yes
2734 extra_host_args="$extra_host_args --with-newlib"
2735fi
2736
9e07f89d
NN
2737# Handle ${copy_dirs}
2738set fnord ${copy_dirs}
2739shift
2740while test $# != 0 ; do
2741 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2742 :
2743 else
2744 echo Copying $1 to $2
2745
2746 # Use the install script to create the directory and all required
2747 # parent directories.
2748 if test -d $2 ; then
2749 :
2750 else
2751 echo >config.temp
2752 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2753 fi
2754
2755 # Copy the directory, assuming we have tar.
2756 # FIXME: Should we use B in the second tar? Not all systems support it.
2757 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2758
2759 # It is the responsibility of the user to correctly adjust all
2760 # symlinks. If somebody can figure out how to handle them correctly
2761 # here, feel free to add the code.
2762
2763 echo $1 > $2/COPIED
2764 fi
2765 shift; shift
2766done
2767
2429c060
PB
2768# Determine a target-dependent exec_prefix that the installed
2769# gcc will search in. Keep this list sorted by triplet, with
2770# the *-*-osname triplets last.
2771md_exec_prefix=
2772case "${target}" in
521ec477 2773 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB
2774 md_exec_prefix=/dev/env/DJDIR/bin
2775 ;;
2429c060 2776 *-*-hpux* | \
2429c060 2777 *-*-nto-qnx* | \
1f111696 2778 *-*-solaris2*)
2429c060
PB
2779 md_exec_prefix=/usr/ccs/bin
2780 ;;
2781esac
2782
874e38b4
NN
2783extra_arflags_for_target=
2784extra_nmflags_for_target=
1086bc09 2785extra_ranlibflags_for_target=
a0da8069 2786target_makefile_frag=/dev/null
f48556b1 2787case "${target}" in
77d7106f
AM
2788 spu-*-*)
2789 target_makefile_frag="config/mt-spu"
2790 ;;
a9d58c06 2791 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS
2792 target_makefile_frag="config/mt-sde"
2793 ;;
f3b1e08e
RS
2794 mipsisa*-*-elfoabi*)
2795 target_makefile_frag="config/mt-mips-elfoabi"
2796 ;;
e7c8859c
RS
2797 mips*-*-*linux* | mips*-*-gnu*)
2798 target_makefile_frag="config/mt-mips-gnu"
2799 ;;
d9e042ac
SL
2800 nios2-*-elf*)
2801 target_makefile_frag="config/mt-nios2-elf"
2802 ;;
bf41f30d
NC
2803 *-*-linux-android*)
2804 target_makefile_frag="config/mt-android"
2805 ;;
29383458 2806 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2807 target_makefile_frag="config/mt-gnu"
f48556b1 2808 ;;
a0da8069 2809 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2810 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN
2811 # commands to handle both 32-bit and 64-bit objects. These flags are
2812 # harmless if we're using GNU nm or ar.
2813 extra_arflags_for_target=" -X32_64"
2814 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2815 ;;
b6f83f2a
DD
2816esac
2817
a0da8069 2818alphaieee_frag=/dev/null
b6f83f2a
DD
2819case $target in
2820 alpha*-*-*)
2821 # This just makes sure to use the -mieee option to build target libs.
2822 # This should probably be set individually by each library.
2823 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD
2824 ;;
2825esac
a0a2c6c6 2826
f48556b1
DD
2827# If --enable-target-optspace always use -Os instead of -O2 to build
2828# the target libraries, similarly if it is not specified, use -Os
2829# on selected platforms.
a0da8069 2830ospace_frag=/dev/null
f48556b1
DD
2831case "${enable_target_optspace}:${target}" in
2832 yes:*)
b6f83f2a 2833 ospace_frag="config/mt-ospace"
f48556b1
DD
2834 ;;
2835 :d30v-*)
b6f83f2a 2836 ospace_frag="config/mt-d30v"
f48556b1 2837 ;;
16beab3d 2838 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
b6f83f2a 2839 ospace_frag="config/mt-ospace"
f48556b1
DD
2840 ;;
2841 no:* | :*)
2842 ;;
2843 *)
2844 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2845 ;;
2846esac
252b5132 2847
a0da8069
NN
2848# Some systems (e.g., one of the i386-aix systems the gas testers are
2849# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2850tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN
2851build_tooldir=${tooldir}
2852
a0da8069
NN
2853# Create a .gdbinit file which runs the one in srcdir
2854# and tells GDB to look there for source files.
2855
2856if test -r ${srcdir}/.gdbinit ; then
2857 case ${srcdir} in
2858 .) ;;
2859 *) cat > ./.gdbinit <<EOF
2860# ${NO_EDIT}
2861dir ${srcdir}
2862dir .
2863source ${srcdir}/.gdbinit
2864EOF
2865 ;;
2866 esac
2867fi
2868
252b5132
RH
2869# Make sure that the compiler is able to generate an executable. If it
2870# can't, we are probably in trouble. We don't care whether we can run the
2871# executable--we might be using a cross compiler--we only care whether it
2872# can be created. At this point the main configure script has set CC.
a0c4f3a0 2873we_are_ok=no
252b5132
RH
2874echo "int main () { return 0; }" > conftest.c
2875${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD
2876if test $? = 0 ; then
2877 if test -s conftest || test -s conftest.exe ; then
2878 we_are_ok=yes
2879 fi
7ec59b9e 2880fi
a0c4f3a0
DD
2881case $we_are_ok in
2882 no)
2883 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2884 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2885 rm -f conftest*
2886 exit 1
2887 ;;
2888esac
252b5132
RH
2889rm -f conftest*
2890
3bbd2f8f 2891# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN
2892case "${host}" in
2893 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2894 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2895 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN
2896 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2897esac
8607b6c9 2898
3bbd2f8f 2899# On systems where the dynamic library environment variable is PATH,
e28c595f
JM
2900# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2901# built executables to PATH.
3bbd2f8f
AL
2902if test "$RPATH_ENVVAR" = PATH; then
2903 GCC_SHLIB_SUBDIR=/shlib
2904else
2905 GCC_SHLIB_SUBDIR=
2906fi
2907
730af8ee 2908# Adjust the toplevel makefile according to whether bootstrap was selected.
2909case $enable_bootstrap in
2910 yes)
2911 bootstrap_suffix=bootstrap
2912 BUILD_CONFIG=bootstrap-debug
2913 ;;
2914 no)
2915 bootstrap_suffix=no-bootstrap
2916 BUILD_CONFIG=
2917 ;;
2918esac
2919
2920AC_MSG_CHECKING(for default BUILD_CONFIG)
2921
2922AC_ARG_WITH([build-config],
2923 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2924 [use config/NAME.mk build configuration])],
2925 [case $with_build_config in
2926 yes) with_build_config= ;;
2927 no) with_build_config= BUILD_CONFIG= ;;
2928 esac])
2929
2930if test "x${with_build_config}" != x; then
2931 BUILD_CONFIG=$with_build_config
2932else
2933 case $BUILD_CONFIG in
2934 bootstrap-debug)
2935 if echo "int f (void) { return 0; }" > conftest.c &&
2936 ${CC} -c conftest.c &&
2937 mv conftest.o conftest.o.g0 &&
2938 ${CC} -c -g conftest.c &&
2939 mv conftest.o conftest.o.g &&
2940 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2941 :
2942 else
2943 BUILD_CONFIG=
2944 fi
2945 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2946 ;;
2947 esac
2948fi
2949AC_MSG_RESULT($BUILD_CONFIG)
2950AC_SUBST(BUILD_CONFIG)
2951
2952# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2953AC_MSG_CHECKING([for --enable-vtable-verify])
2954AC_ARG_ENABLE(vtable-verify,
ce6c656d
L
2955[AS_HELP_STRING([--enable-vtable-verify],
2956 [Enable vtable verification feature])],
730af8ee 2957[case "$enableval" in
2958 yes) enable_vtable_verify=yes ;;
2959 no) enable_vtable_verify=no ;;
2960 *) enable_vtable_verify=no;;
2961 esac],
2962[enable_vtable_verify=no])
2963AC_MSG_RESULT($enable_vtable_verify)
2964
3866be5d
NN
2965# Record target_configdirs and the configure arguments for target and
2966# build configuration in Makefile.
2967target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2968build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2969bootstrap_fixincludes=no
930314a4 2970
2aa2364a
JR
2971# If we are building libgomp, bootstrap it.
2972if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2973 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2974fi
2975
730af8ee 2976# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2977# or bootstrap-ubsan, bootstrap it.
2978if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2979 case "$BUILD_CONFIG" in
228cf97d 2980 *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* )
730af8ee 2981 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2982 bootstrap_fixincludes=yes
730af8ee 2983 ;;
2984 esac
5eb08693
L
2985fi
2986
730af8ee 2987# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2988if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2989 test "$enable_vtable_verify" != no; then
95e43135
JBG
2990 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2991fi
2992
228cf97d
AM
2993# If we are building libatomic and the list of enabled languages includes the
2994# D frontend, bootstrap it.
2995if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then
2996 case ,${enable_languages}, in
2997 *,d,*)
2998 bootstrap_target_libs=${bootstrap_target_libs}target-libatomic,
2999 ;;
3000 esac
3001fi
3002
930314a4
NN
3003# Determine whether gdb needs tk/tcl or not.
3004# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
3005# and in that case we want gdb to be built without tk. Ugh!
3006# In fact I believe gdb is the *only* package directly dependent on tk,
3007# so we should be able to put the 'maybe's in unconditionally and
3008# leave out the maybe dependencies when enable_gdbtk is false. I'm not
3009# 100% sure that that's safe though.
c180f501 3010
675c6968 3011gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN
3012case "$enable_gdbtk" in
3013 no)
3014 GDB_TK="" ;;
c180f501
AC
3015 yes)
3016 GDB_TK="${gdb_tk}" ;;
930314a4 3017 *)
c180f501
AC
3018 # Only add the dependency on gdbtk when GDBtk is part of the gdb
3019 # distro. Eventually someone will fix this and move Insight, nee
3020 # gdbtk to a separate directory.
3021 if test -d ${srcdir}/gdb/gdbtk ; then
3022 GDB_TK="${gdb_tk}"
3023 else
3024 GDB_TK=""
3025 fi
3026 ;;
930314a4 3027esac
907be67c
DJ
3028CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
3029INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 3030
b6f9caee
TT
3031# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
3032# else does, only include them if one of these is built. The Makefile
3033# provides the ordering, so it's enough here to add to the list.
3034case " ${configdirs} " in
3035 *\ gdb\ *)
3036 configdirs="${configdirs} gnulib gdbsupport"
3037 ;;
3038 *\ gdbserver\ *)
3039 configdirs="${configdirs} gnulib gdbsupport"
3040 ;;
5c9e84c2
MF
3041 *\ sim\ *)
3042 configdirs="${configdirs} gnulib"
3043 ;;
b6f9caee 3044esac
73cc7272 3045
6bd3dfaa 3046# Strip out unwanted targets.
dd12c3a8
NN
3047
3048# While at that, we remove Makefiles if we were started for recursive
3049# configuration, so that the top-level Makefile reconfigures them,
3050# like we used to do when configure itself was recursive.
dd12c3a8 3051
06a51eac
RW
3052# Loop over modules. We used to use the "$extrasub" feature from Autoconf
3053# but now we're fixing up the Makefile ourselves with the additional
3054# commands passed to AC_CONFIG_FILES. Use separate variables
3055# extrasub-{build,host,target} not because there is any reason to split
3056# the substitutions up that way, but only to remain below the limit of
3057# 99 commands in a script, for HP-UX sed.
4119873a
AO
3058
3059# Do not nest @if/@endif or @unless/@endunless pairs, because
3060# configure will not warn you at all.
dd12c3a8 3061
16b1ad29
RW
3062case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
3063 yes:yes:*\ gold\ *:*,c++,*) ;;
3064 yes:yes:*\ gold\ *:*)
3065 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
3066 ;;
3067esac
3068
06a51eac 3069extrasub_build=
6a9cf61e 3070for module in ${build_configdirs} ; do
dd12c3a8
NN
3071 if test -z "${no_recursion}" \
3072 && test -f ${build_subdir}/${module}/Makefile; then
3073 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
3074 rm -f ${build_subdir}/${module}/Makefile
3075 fi
06a51eac 3076 extrasub_build="$extrasub_build
6bd3dfaa 3077/^@if build-$module\$/d
498d4a71 3078/^@endif build-$module\$/d
4119873a 3079/^@unless build-$module\$/,/^@endunless build-$module\$/d
498d4a71 3080/^@if build-$module-$bootstrap_suffix\$/d
4119873a
AO
3081/^@endif build-$module-$bootstrap_suffix\$/d
3082/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
dd12c3a8 3083done
06a51eac 3084extrasub_host=
dd12c3a8 3085for module in ${configdirs} ; do
80911fe1 3086 if test -z "${no_recursion}"; then
8cf39b1b 3087 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB
3088 if test -f ${file}; then
3089 echo 1>&2 "*** removing ${file} to force reconfigure"
3090 rm -f ${file}
3091 fi
3092 done
dd12c3a8 3093 fi
201f096f 3094 case ${module},${bootstrap_fixincludes} in
3095 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
3096 *) host_bootstrap_suffix=$bootstrap_suffix ;;
3097 esac
06a51eac 3098 extrasub_host="$extrasub_host
6bd3dfaa 3099/^@if $module\$/d
498d4a71 3100/^@endif $module\$/d
4119873a 3101/^@unless $module\$/,/^@endunless $module\$/d
201f096f 3102/^@if $module-$host_bootstrap_suffix\$/d
4119873a
AO
3103/^@endif $module-$host_bootstrap_suffix\$/d
3104/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
dd12c3a8 3105done
06a51eac 3106extrasub_target=
dd12c3a8
NN
3107for module in ${target_configdirs} ; do
3108 if test -z "${no_recursion}" \
3109 && test -f ${target_subdir}/${module}/Makefile; then
3110 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
3111 rm -f ${target_subdir}/${module}/Makefile
3112 fi
e8a5fa9c
RW
3113
3114 # We only bootstrap target libraries listed in bootstrap_target_libs.
3115 case $bootstrap_target_libs in
3116 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
3117 *) target_bootstrap_suffix=no-bootstrap ;;
3118 esac
3119
06a51eac 3120 extrasub_target="$extrasub_target
6bd3dfaa 3121/^@if target-$module\$/d
498d4a71 3122/^@endif target-$module\$/d
4119873a 3123/^@unless target-$module\$/,/^@endunless target-$module\$/d
e8a5fa9c 3124/^@if target-$module-$target_bootstrap_suffix\$/d
4119873a
AO
3125/^@endif target-$module-$target_bootstrap_suffix\$/d
3126/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
930314a4 3127done
319cab08 3128
06a51eac
RW
3129# Do the final fixup along with target modules.
3130extrasub_target="$extrasub_target
4119873a
AO
3131/^@if /,/^@endif /d
3132/^@unless /d
3133/^@endunless /d"
930314a4 3134
af019bfd
L
3135if test "$enable_pgo_build" != "no"; then
3136 extrasub_build="$extrasub_build
3137/^@if pgo-build\$/d
3138/^@endif pgo-build\$/d"
3139fi
3140
a2cc058a
NN
3141# Create the serialization dependencies. This uses a temporary file.
3142
e6bfb94a 3143AC_ARG_ENABLE([serial-configure],
7837304f
AS
3144[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
3145 [force sequential configuration of
3146 sub-packages for the host, target or build
3147 machine, or all sub-packages])])
1047cb91
DD
3148
3149case ${enable_serial_configure} in
3150 yes)
3151 enable_serial_build_configure=yes
3152 enable_serial_host_configure=yes
3153 enable_serial_target_configure=yes
3154 ;;
3155esac
e6bfb94a 3156
a2cc058a
NN
3157# These force 'configure's to be done one at a time, to avoid problems
3158# with contention over a shared config.cache.
3159rm -f serdep.tmp
e6bfb94a 3160echo '# serdep.tmp' > serdep.tmp
a2cc058a 3161olditem=
1047cb91 3162test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN
3163for item in ${build_configdirs} ; do
3164 case ${olditem} in
3165 "") ;;
e6bfb94a 3166 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
3167 esac
3168 olditem=${item}
3169done
3170olditem=
1047cb91 3171test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN
3172for item in ${configdirs} ; do
3173 case ${olditem} in
3174 "") ;;
e6bfb94a 3175 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
3176 esac
3177 olditem=${item}
3178done
3179olditem=
1047cb91 3180test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN
3181for item in ${target_configdirs} ; do
3182 case ${olditem} in
3183 "") ;;
e6bfb94a 3184 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
3185 esac
3186 olditem=${item}
3187done
a0da8069
NN
3188serialization_dependencies=serdep.tmp
3189AC_SUBST_FILE(serialization_dependencies)
a2cc058a 3190
e6bfb94a 3191# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 3192# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC
3193# might not want to pass down to subconfigures. The exception being
3194# --cache-file=/dev/null, which is used to turn off the use of cache
3195# files altogether, and which should be passed on to subconfigures.
3196# Also strip program-prefix, program-suffix, and program-transform-name,
3197# so that we can pass down a consistent program-transform-name.
c6b750e1 3198baseargs=
65b4571a 3199tbaseargs=
c6b750e1
DJ
3200keep_next=no
3201skip_next=no
3202eval "set -- $ac_configure_args"
b0aaa663
DJ
3203for ac_arg
3204do
c6b750e1
DJ
3205 if test X"$skip_next" = X"yes"; then
3206 skip_next=no
3207 continue
3208 fi
3209 if test X"$keep_next" = X"yes"; then
3210 case $ac_arg in
3211 *\'*)
3212 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3213 esac
3214 baseargs="$baseargs '$ac_arg'"
65b4571a 3215 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ
3216 keep_next=no
3217 continue
3218 fi
3219
3220 # Handle separated arguments. Based on the logic generated by
3221 # autoconf 2.59.
3222 case $ac_arg in
3223 *=* | --config-cache | -C | -disable-* | --disable-* \
3224 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3225 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3226 | -with-* | --with-* | -without-* | --without-* | --x)
3227 separate_arg=no
3228 ;;
3229 -*)
3230 separate_arg=yes
3231 ;;
3232 *)
3233 separate_arg=no
3234 ;;
3235 esac
3236
65b4571a
AO
3237 skip_targ=no
3238 case $ac_arg in
3239changequote(,)
3240 --with-* | --without-*)
3241 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3242
3243 case $libopt in
3244 *[-_]include)
3245 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3246 ;;
3247 *[-_]lib)
3248 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3249 ;;
3250 *)
3251 lib=$libopt
3252 ;;
3253 esac
3254changequote([,])
3255
3256 case $lib in
1b6c0831 3257 mpc | mpfr | gmp | isl)
65b4571a
AO
3258 # If we're processing --with-$lib, --with-$lib-include or
3259 # --with-$lib-lib, for one of the libs above, and target is
3260 # different from host, don't pass the current argument to any
3261 # target library's configure.
3262 if test x$is_cross_compiler = xyes; then
3263 skip_targ=yes
3264 fi
3265 ;;
3266 esac
3267 ;;
3268 esac
3269
c6b750e1 3270 case "$ac_arg" in
30167e0a
NC
3271 --cache-file=/dev/null | \
3272 -cache-file=/dev/null )
3273 # Handled here to avoid the test to skip args below.
3274 baseargs="$baseargs '$ac_arg'"
65b4571a 3275 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC
3276 # Assert: $separate_arg should always be no.
3277 keep_next=$separate_arg
3278 ;;
c6b750e1
DJ
3279 --no*)
3280 continue
3281 ;;
3282 --c* | \
3283 --sr* | \
3284 --ho* | \
3285 --bu* | \
3286 --t* | \
3287 --program-* | \
3288 -cache_file* | \
3289 -srcdir* | \
3290 -host* | \
3291 -build* | \
3292 -target* | \
3293 -program-prefix* | \
3294 -program-suffix* | \
3295 -program-transform-name* )
3296 skip_next=$separate_arg
3297 continue
3298 ;;
3299 -*)
3300 # An option. Add it.
3301 case $ac_arg in
3302 *\'*)
3303 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3304 esac
3305 baseargs="$baseargs '$ac_arg'"
65b4571a
AO
3306 if test X"$skip_targ" = Xno; then
3307 tbaseargs="$tbaseargs '$ac_arg'"
3308 fi
c6b750e1
DJ
3309 keep_next=$separate_arg
3310 ;;
3311 *)
3312 # Either a variable assignment, or a nonopt (triplet). Don't
3313 # pass it down; let the Makefile handle this.
3314 continue
3315 ;;
3316 esac
3317done
3318# Remove the initial space we just introduced and, as these will be
3319# expanded by make, quote '$'.
3320baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 3321
f27d4f92
DJ
3322# Add in --program-transform-name, after --program-prefix and
3323# --program-suffix have been applied to it. Autoconf has already
3324# doubled dollar signs and backslashes in program_transform_name; we want
3325# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 3326# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ
3327# Also, because we want to override the logic in subdir configure scripts to
3328# choose program_transform_name, replace any s,x,x, with s,y,y,.
3329sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3330${program_transform_name}
3331EOF_SED
3332gcc_transform_name=`cat conftestsed.out`
3333rm -f conftestsed.out
3334baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 3335tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE
3336if test "$silent" = yes; then
3337 baseargs="$baseargs --silent"
65b4571a 3338 tbaseargs="$tbaseargs --silent"
2444379b 3339fi
e5f2f7d9 3340
34a0f3cf 3341baseargs="$baseargs --disable-option-checking"
65b4571a 3342tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 3343
e5f2f7d9
LM
3344if test "$enable_year2038" = no; then
3345 baseargs="$baseargs --disable-year2038"
3346 tbaseargs="$tbaseargs --disable-year2038"
3347fi
3348
4074d5f2
RW
3349# Record and document user additions to sub configure arguments.
3350AC_ARG_VAR([build_configargs],
3351 [additional configure arguments for build directories])
3352AC_ARG_VAR([host_configargs],
3353 [additional configure arguments for host directories])
3354AC_ARG_VAR([target_configargs],
3355 [additional configure arguments for target directories])
3356
49b7683b
DD
3357# For the build-side libraries, we just need to pretend we're native,
3358# and not use the same cache file. Multilibs are neither needed nor
1b6c0831
L
3359# desired. We can't even use the same cache file for all build-side
3360# libraries, as they're compiled differently; some with C, some with
3361# C++ or with different feature-enabling options.
3362build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
91e060aa 3363
ae831be5
NN
3364# For host modules, accept cache file option, or specification as blank.
3365case "${cache_file}" in
3366"") # empty
3367 cache_file_option="" ;;
a0da8069 3368/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN
3369 cache_file_option="--cache-file=${cache_file}" ;;
3370*) # relative path
3371 cache_file_option="--cache-file=../${cache_file}" ;;
3372esac
3373
82252c06
NN
3374# Host dirs don't like to share a cache file either, horribly enough.
3375# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 3376host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 3377
65b4571a 3378target_configargs="$target_configargs ${tbaseargs}"
49b7683b 3379
252b5132
RH
3380# Passing a --with-cross-host argument lets the target libraries know
3381# whether they are being built with a cross-compiler or being built
3382# native. However, it would be better to use other mechanisms to make the
3383# sorts of decisions they want to make on this basis. Please consider
3384# this option to be deprecated. FIXME.
a0c4f3a0 3385if test x${is_cross_compiler} = xyes ; then
c6b750e1 3386 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH
3387fi
3388
afc0578d 3389# Special user-friendly check for native x86_64-linux build, if
3390# multilib is not explicitly enabled.
3391case "$target:$have_compiler:$host:$target:$enable_multilib" in
3392 x86_64-*linux*:yes:$build:$build:)
ce6c656d 3393 # Make sure we have a development environment that handles 32-bit
afc0578d 3394 dev64=no
3395 echo "int main () { return 0; }" > conftest.c
3396 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3397 if test $? = 0 ; then
3398 if test -s conftest || test -s conftest.exe ; then
3399 dev64=yes
3400 fi
3401 fi
3402 rm -f conftest*
3403 if test x${dev64} != xyes ; then
ce6c656d 3404 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 3405 fi
3406 ;;
3407esac
3408
938d2b74
RW
3409# Default to --enable-multilib.
3410if test x${enable_multilib} = x ; then
a0da8069 3411 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 3412fi
252b5132
RH
3413
3414# Pass --with-newlib if appropriate. Note that target_configdirs has
3415# changed from the earlier setting of with_newlib.
a0c4f3a0 3416if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 3417 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH
3418fi
3419
95036d20
NN
3420# Different target subdirs use different values of certain variables
3421# (notably CXX). Worse, multilibs use *lots* of different values.
3422# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3423# it doesn't automatically accept command-line overrides of them.
3424# This means it's not safe for target subdirs to share a cache file,
3425# which is disgusting, but there you have it. Hopefully this can be
3426# fixed in future. It's still worthwhile to use a cache file for each
3427# directory. I think.
3428
ae380b45
MS
3429# Pass the appropriate --build, --host, --target and --cache-file arguments.
3430# We need to pass --target, as newer autoconf's requires consistency
3431# for target_alias and gcc doesn't manage it consistently.
4b900473 3432target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 3433
9e449d3e 3434FLAGS_FOR_TARGET=
7c1f909c 3435case " $target_configdirs " in
75205f78 3436 *" newlib "*)
a0da8069 3437 case " $target_configargs " in
75205f78 3438 *" --with-newlib "*)
9e449d3e 3439 case "$target" in
1f53ca9a 3440 *-cygwin*)
6d94c122 3441 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 3442 ;;
9e449d3e
AO
3443 esac
3444
7450026c 3445 # If we're not building GCC, don't discard standard headers.
4d5fd396 3446 if test -d ${srcdir}/gcc; then
63266560 3447 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO
3448
3449 if test "${build}" != "${host}"; then
3450 # On Canadian crosses, CC_FOR_TARGET will have already been set
3451 # by `configure', so we won't have an opportunity to add -Bgcc/
3452 # to it. This is right: we don't want to search that directory
3453 # for binaries, but we want the header files in there, so add
3454 # them explicitly.
e552509b 3455 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO
3456
3457 # Someone might think of using the pre-installed headers on
3458 # Canadian crosses, in case the installed compiler is not fully
3459 # compatible with the compiler being built. In this case, it
3460 # would be better to flag an error than risking having
3461 # incompatible object files being constructed. We can't
3462 # guarantee that an error will be flagged, but let's hope the
3463 # compiler will do it, when presented with incompatible header
3464 # files.
3465 fi
63266560
DD
3466 fi
3467
0a0d0041 3468 case "${target}-${is_cross_compiler}" in
ec11bdc6 3469 i[[3456789]]86-*-linux*-no)
0a0d0041
TF
3470 # Here host == target, so we don't need to build gcc,
3471 # so we don't want to discard standard headers.
3472 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF
3473 ;;
3474 *)
3475 # If we're building newlib, use its generic headers last, but search
3476 # for any libc-related directories first (so make it the last -B
3477 # switch).
3478 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD
3479
3480 # If we're building libgloss, find the startup file, simulator library
3481 # and linker script.
3482 case " $target_configdirs " in
3483 *" libgloss "*)
3484 # Look for startup file, simulator library and maybe linker script.
3485 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3486 # Look for libnosys.a in case the target needs it.
3487 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3488 # Most targets have the linker script in the source directory.
3489 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3490 ;;
3491 esac
0a0d0041
TF
3492 ;;
3493 esac
9e449d3e 3494 ;;
75205f78
DD
3495 esac
3496 ;;
9e449d3e 3497esac
1f53ca9a 3498
45055374 3499case "$target" in
1f53ca9a
AO
3500 x86_64-*mingw* | *-w64-mingw*)
3501 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3502 # however, use a symlink named 'mingw' in ${prefix} .
3503 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3504 ;;
3505 *-mingw*)
3506 # MinGW can't be handled as Cygwin above since it does not use newlib.
3507 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3508 ;;
45055374 3509esac
63266560 3510
5fbad20a
DD
3511# Allow the user to override the flags for
3512# our build compiler if desired.
c66487f8
NC
3513if test x"${build}" = x"${host}" ; then
3514 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
e472ec9f 3515 CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}}
c66487f8
NC
3516 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3517 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3518fi
5fbad20a 3519
63266560
DD
3520# On Canadian crosses, we'll be searching the right directories for
3521# the previously-installed cross compiler, so don't bother to add
3522# flags for directories within the install tree of the compiler
3523# being built; programs in there won't even run.
4d5fd396 3524if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3525 # Search for pre-installed headers if nothing else fits.
bba45b8b 3526 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3527fi
63266560 3528
7c1f909c 3529if test "x${use_gnu_ld}" = x &&
f48556b1 3530 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3531 # Arrange for us to find uninstalled linker scripts.
b00612cc 3532 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO
3533fi
3534
a481dbb7
DD
3535# Search for other target-specific linker scripts and such.
3536case "${target}" in
4e206d7e
DB
3537 mep*)
3538 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3539 ;;
228cf97d
AM
3540 # The VxWorks support for shared libraries is getting in
3541 # incrementally. Make sure it doesn't get activated implicitly:
3542 *vxworks*)
3543 if test "${enable_shared-unset}" = unset ; then
3544 enable_shared=no
3545 # So the build of libraries knows ...
3546 target_configargs="${target_configargs} --disable-shared"
3547 # So gcc knows ...
3548 host_configargs="${host_configargs} --disable-shared"
3549 fi
3550 ;;
4e206d7e
DB
3551esac
3552
a0da8069 3553# Makefile fragments.
3e707e94
PB
3554for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3555do
3556 eval fragval=\$$frag
3557 if test $fragval != /dev/null; then
3558 eval $frag=${srcdir}/$fragval
3559 fi
3560done
a0da8069
NN
3561AC_SUBST_FILE(host_makefile_frag)
3562AC_SUBST_FILE(target_makefile_frag)
3563AC_SUBST_FILE(alphaieee_frag)
3564AC_SUBST_FILE(ospace_frag)
3565
3566# Miscellanea: directories, flags, etc.
a0da8069 3567AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3568AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN
3569AC_SUBST(tooldir)
3570AC_SUBST(build_tooldir)
907be67c 3571AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3572AC_SUBST(GDB_TK)
907be67c 3573AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN
3574
3575# Build module lists & subconfigure args.
a0da8069 3576AC_SUBST(build_configargs)
6a9cf61e 3577AC_SUBST(build_configdirs)
a0da8069
NN
3578
3579# Host module lists & subconfigure args.
3580AC_SUBST(host_configargs)
3581AC_SUBST(configdirs)
911e63d0 3582AC_SUBST(target_configdirs)
a0da8069
NN
3583
3584# Target module lists & subconfigure args.
a0da8069 3585AC_SUBST(target_configargs)
a6df5a19 3586
a0da8069
NN
3587
3588# Build tools.
b5714970
PB
3589AC_SUBST(AR_FOR_BUILD)
3590AC_SUBST(AS_FOR_BUILD)
a0da8069 3591AC_SUBST(CC_FOR_BUILD)
b5714970 3592AC_SUBST(CFLAGS_FOR_BUILD)
228cf97d 3593AC_SUBST(CPP_FOR_BUILD)
e472ec9f 3594AC_SUBST(CPPFLAGS_FOR_BUILD)
b5714970
PB
3595AC_SUBST(CXXFLAGS_FOR_BUILD)
3596AC_SUBST(CXX_FOR_BUILD)
3597AC_SUBST(DLLTOOL_FOR_BUILD)
228cf97d 3598AC_SUBST(DSYMUTIL_FOR_BUILD)
b5714970 3599AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3600AC_SUBST(GOC_FOR_BUILD)
228cf97d 3601AC_SUBST(GDC_FOR_BUILD)
b5714970
PB
3602AC_SUBST(LDFLAGS_FOR_BUILD)
3603AC_SUBST(LD_FOR_BUILD)
3604AC_SUBST(NM_FOR_BUILD)
3605AC_SUBST(RANLIB_FOR_BUILD)
3606AC_SUBST(WINDMC_FOR_BUILD)
3607AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3608
be01d343
PB
3609# Generate default definitions for YACC, M4, LEX and other programs that run
3610# on the build machine. These are used if the Makefile can't locate these
3611# programs in objdir.
3612MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3613
3614AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3615case " $build_configdirs " in
3616 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB
3617esac
3618
3619AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3620case " $build_configdirs " in
3621 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3622esac
3623
3624AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3625case " $build_configdirs " in
3626 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3627esac
3628
3629AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3630case " $build_configdirs " in
3631 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3632 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3633esac
3634
3635AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3636case " $build_configdirs " in
3637 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3638esac
3639
3640AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3641case " $build_configdirs " in
3642 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3643 *)
3644changequote(,)
10ad8ef3 3645 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB
3646 # higher, else we use the "missing" dummy.
3647 if ${MAKEINFO} --version \
10ad8ef3 3648 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB
3649 :
3650 else
3651 MAKEINFO="$MISSING makeinfo"
3652 fi
3653 ;;
3654changequote([,])
3655esac
3656
3657# FIXME: expect and dejagnu may become build tools?
3658
3659AC_CHECK_PROGS(EXPECT, expect, expect)
3660case " $configdirs " in
3661 *" expect "*)
3662 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3663 ;;
3664esac
3665
3666AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3667case " $configdirs " in
3668 *" dejagnu "*)
6b89cc21 3669 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB
3670 ;;
3671esac
3672
3673
a0da8069 3674# Host tools.
05cbd757
PB
3675NCN_STRICT_CHECK_TOOLS(AR, ar)
3676NCN_STRICT_CHECK_TOOLS(AS, as)
3677NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
228cf97d 3678NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil)
05cbd757 3679NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3680NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3681NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO
3682NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3683NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3684NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3685NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB
3686NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3687NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
228cf97d 3688NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
b121d7d4 3689NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN
3690AC_SUBST(CC)
3691AC_SUBST(CXX)
3692AC_SUBST(CFLAGS)
3693AC_SUBST(CXXFLAGS)
228cf97d
AM
3694AC_SUBST(GDC)
3695AC_SUBST(GDCFLAGS)
9e65489a 3696AC_SUBST(PKG_CONFIG_PATH)
a0da8069 3697
50ad1254
L
3698GCC_PLUGIN_OPTION(PLUGIN_OPTION)
3699AR_PLUGIN_OPTION=
3700RANLIB_PLUGIN_OPTION=
3701if test -n "$PLUGIN_OPTION"; then
3702 if $AR --help 2>&1 | grep -q "\--plugin"; then
3703 AR_PLUGIN_OPTION="$PLUGIN_OPTION"
3704 fi
3705 if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
3706 RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
3707 fi
3708fi
3709AC_SUBST(AR_PLUGIN_OPTION)
3710AC_SUBST(RANLIB_PLUGIN_OPTION)
3711
be01d343 3712# Target tools.
7ec59b9e 3713AC_ARG_WITH([build-time-tools],
7837304f
AS
3714 [AS_HELP_STRING([--with-build-time-tools=PATH],
3715 [use given path to find target tools during the build])],
2429c060
PB
3716 [case x"$withval" in
3717 x/*) ;;
3718 *)
3719 with_build_time_tools=
3720 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3721 ;;
3722 esac],
3723 [with_build_time_tools=])
3724
05cbd757
PB
3725NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3726NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757 3727NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
05cbd757 3728NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3729NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
228cf97d 3730NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
2429c060
PB
3731
3732ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3733ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3734ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
228cf97d 3735ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil)
2429c060
PB
3736ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3737ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3738ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3739ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3740ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
228cf97d 3741ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
ba98da75 3742ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3743ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB
3744ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3745ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3746ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3747
be01d343
PB
3748RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3749
3750GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3751GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3752GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3753dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3754GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3755 [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
3756 c++)
3757GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3758 [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
3759 c++)
3760GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
228cf97d 3761GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL)
be01d343 3762GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
be01d343
PB
3763GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3764 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT
3765GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3766 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
228cf97d
AM
3767GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3768 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
be01d343
PB
3769GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3770GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3771GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
1b6c0831 3772GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
be01d343 3773GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
228cf97d 3774GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
be01d343 3775GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3776GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3777GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3778GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3779GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3780
be01d343 3781AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3782AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3783
a0da8069
NN
3784# Certain tools may need extra flags.
3785AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3786RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3787NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3788
be01d343
PB
3789# When building target libraries, except in a Canadian cross, we use
3790# the same toolchain as the compiler we just built.
3791COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3792COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3793COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3794if test $host = $build; then
3795 case " $configdirs " in
3796 *" gcc "*)
3797 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3798 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3799 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3800 ;;
3801 esac
3802fi
3803
3804AC_SUBST(COMPILER_AS_FOR_TARGET)
3805AC_SUBST(COMPILER_LD_FOR_TARGET)
3806AC_SUBST(COMPILER_NM_FOR_TARGET)
3807
6b784d9f
AO
3808AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3809AC_ARG_ENABLE(maintainer-mode,
7837304f
AS
3810[AS_HELP_STRING([--enable-maintainer-mode],
3811 [enable make rules and dependencies not useful
3812 (and sometimes confusing) to the casual installer])],
6b784d9f
AO
3813 USE_MAINTAINER_MODE=$enableval,
3814 USE_MAINTAINER_MODE=no)
3815AC_MSG_RESULT($USE_MAINTAINER_MODE)
3816AC_SUBST(MAINTAINER_MODE_TRUE)
3817AC_SUBST(MAINTAINER_MODE_FALSE)
3818if test "$USE_MAINTAINER_MODE" = yes; then
3819 MAINTAINER_MODE_TRUE=
3820 MAINTAINER_MODE_FALSE='#'
3821else
3822 MAINTAINER_MODE_TRUE='#'
3823 MAINTAINER_MODE_FALSE=
7ec59b9e 3824fi
6b784d9f
AO
3825MAINT=$MAINTAINER_MODE_TRUE
3826AC_SUBST(MAINT)dnl
3827
1d39f329
NN
3828# ---------------------
3829# GCC bootstrap support
3830# ---------------------
3831
3832# Stage specific cflags for build.
3833stage1_cflags="-g"
3834case $build in
3835 vax-*-*)
3836 case ${GCC} in
3837 yes) stage1_cflags="-g -Wa,-J" ;;
3838 *) stage1_cflags="-g -J" ;;
3839 esac ;;
1d39f329 3840esac
1d89b610 3841
1d39f329
NN
3842AC_SUBST(stage1_cflags)
3843
8a0d8a5c
PB
3844# Enable --enable-checking in stage1 of the compiler.
3845AC_ARG_ENABLE(stage1-checking,
7837304f
AS
3846[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3847 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3848[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3849[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
ce6c656d
L
3850 # For --disable-checking or implicit --enable-checking=release, avoid
3851 # setting --enable-checking=gc in the default stage1 checking for LTO
3852 # bootstraps. See PR62077.
ce6c656d
L
3853 case $BUILD_CONFIG in
3854 *lto*)
05a13254
NC
3855 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3856 *)
3857 stage1_checking=--enable-checking=yes,types;;
ce6c656d 3858 esac
05a13254
NC
3859 if test "x$enable_checking" = x && \
3860 test -d ${srcdir}/gcc && \
3861 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3862 stage1_checking=--enable-checking=yes,types,extra
3863 fi
8a0d8a5c 3864else
5566c1fa 3865 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB
3866fi])
3867AC_SUBST(stage1_checking)
3868
1d39f329 3869# Enable -Werror in bootstrap stage2 and later.
1d39f329 3870AC_ARG_ENABLE(werror,
7837304f 3871[AS_HELP_STRING([--enable-werror],
bf41f30d
NC
3872 [enable -Werror in bootstrap stage2 and later])],
3873[
1a6f2dc7
NN
3874case ${enable_werror} in
3875 yes) stage2_werror_flag="--enable-werror-always" ;;
3876 *) stage2_werror_flag="" ;;
1d39f329 3877esac
bf41f30d
NC
3878],
3879[
3880if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3881 case $BUILD_CONFIG in
3882 bootstrap-debug)
3883 stage2_werror_flag="--enable-werror-always" ;;
3884 "")
3885 stage2_werror_flag="--enable-werror-always" ;;
1b6c0831
L
3886 esac
3887fi
bf41f30d
NC
3888])
3889
3890AC_SUBST(stage2_werror_flag)
1b6c0831 3891
e8a5fa9c
RW
3892# Specify what files to not compare during bootstrap.
3893
3894compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3895case "$target" in
3896 hppa*64*-*-hpux*) ;;
228cf97d
AM
3897 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;;
3898 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
e8a5fa9c
RW
3899esac
3900AC_SUBST(compare_exclusions)
3901
06a51eac
RW
3902AC_CONFIG_FILES([Makefile],
3903 [sed "$extrasub_build" Makefile |
3904 sed "$extrasub_host" |
3905 sed "$extrasub_target" > mf$$
3906 mv -f mf$$ Makefile],
3907 [extrasub_build="$extrasub_build"
3908 extrasub_host="$extrasub_host"
3909 extrasub_target="$extrasub_target"])
3910AC_OUTPUT