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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,
919adfe8 3# 2014, 2015, 2016, 2019, 2020 Free Software Foundation, Inc.
252b5132
RH		 4#
5# This file is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
301a9420 26m4_include(config/debuginfod.m4)
d5f2ee2e
KG		 27m4_include([libtool.m4])
28m4_include([ltoptions.m4])
29m4_include([ltsugar.m4])
30m4_include([ltversion.m4])
31m4_include([lt~obsolete.m4])
7ec59b9e 32m4_include([config/isl.m4])
656fdd47 33
a0da8069 34AC_INIT(move-if-change)
34a0f3cf 35AC_DISABLE_OPTION_CHECKING
c6b750e1 36
5b553f7e
RW		 37progname=$0
38# if PWD already has a value, it is probably wrong.
39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40
41# Export original configure arguments for use by sub-configures.
42# Quote arguments with shell meta charatcers.
43TOPLEVEL_CONFIGURE_ARGUMENTS=
44set -- "$progname" "$@"
45for ac_arg
46do
47 case "$ac_arg" in
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
52 *) ;;
53 esac
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56done
57if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59fi
60# Remove the initial space we just introduced and, as these will be
61# expanded by make, quote '$'.
62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64
c6b750e1
DJ		 65# Find the build, host, and target systems.
66ACX_NONCANONICAL_BUILD
67ACX_NONCANONICAL_HOST
68ACX_NONCANONICAL_TARGET
69
70dnl Autoconf 2.5x and later will set a default program prefix if
71dnl --target was used, even if it was the same as --host. Disable
72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73dnl to take effect.
74test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
76 NONENONEs,x,x, &&
77 program_transform_name=s,y,y,
78
a0da8069
NN		 79AC_CANONICAL_SYSTEM
80AC_ARG_PROGRAM
81
c6b750e1 82m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 83m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 84
e5c3f801
NN		 85# Get 'install' or 'install-sh' and its variants.
86AC_PROG_INSTALL
656fdd47 87ACX_PROG_LN
dfdffa2c 88AC_PROG_LN_S
8e957354
PB		 89AC_PROG_SED
90AC_PROG_AWK
e5c3f801 91
0fdbe983
DJ		 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93
94# We pass INSTALL explicitly to sub-makes. Make sure that it is not
95# a relative path.
96if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
98fi
99
a0da8069
NN		 100# Set srcdir to "." if that's what it is.
101# This is important for multilib support.
102pwd=`${PWDCMD-pwd}`
a0da8069
NN		 103if test "${pwd}" = "${srcpwd}" ; then
104 srcdir=.
105fi
106
107topsrcdir=$srcpwd
252b5132 108
ae831be5 109extra_host_args=
afefada0 110
252b5132
RH		 111### To add a new directory to the tree, first choose whether it is a target
112### or a host dependent tool. Then put it into the appropriate list
a2cc058a 113### (library or tools, host or target), doing a dependency sort.
252b5132 114
7ec59b9e 115# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 116# configdirs, or target_configdirs; see the serialization section below.
117
7ec59b9e
L		 118# Dependency sorting is only needed when *configuration* must be done in
119# a particular order. In all cases a dependency should be specified in
a2cc058a
NN		 120# the Makefile, whether or not it's implicitly specified here.
121
122# Double entries in build_configdirs, configdirs, or target_configdirs may
123# cause circular dependencies and break everything horribly.
252b5132 124
6a9cf61e
PB		 125# these library is used by various programs built for the build
126# environment
127#
1b6c0831 128build_libs="build-libiberty build-libcpp"
6a9cf61e
PB		 129
130# these tools are built for the build environment
a90ef4bf 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 132
252b5132 133# these libraries are used by various programs built for the host environment
1b6c0831 134#f
0e65dfba 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
252b5132 136
252b5132
RH		 137# these tools are built for the host environment
138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139# know that we are building the simulator.
2af579c4
NN		 140# binutils, gas and ld appear in that order because it makes sense to run
141# "make check" in that particular order.
e6de499b 142# If --enable-gold is used, "gold" may replace "ld".
919adfe8 143host_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"
75205f78 144
252b5132
RH		 145# these libraries are built for the target environment, and are built after
146# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 147# Note that libiberty is not a target library.
b1299c4e 148target_libraries="target-libgcc \
2bf680c4 149 target-libbacktrace \
252b5132
RH		 150 target-libgloss \
151 target-newlib \
cff87f51 152 target-libgomp \
1b6c0831 153 target-liboffloadmic \
bf41f30d 154 target-libhsail-rt \
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 \
e3f56a99 166 target-libgo"
252b5132 167
9c14acb8
NN		 168# these tools are built using the target libraries, and are intended to
169# run only in the target environment
252b5132 170#
9c14acb8 171# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 172# list belongs in this list.
252b5132 173#
a90ef4bf 174target_tools="target-rda"
252b5132
RH		 175
176################################################################################
177
252b5132
RH		 178## All tools belong in one of the four categories, and are assigned above
179## We assign ${configdirs} this way to remove all embedded newlines. This
180## is important because configure will choke if they ever get through.
181## ${configdirs} is directories we build using the host tools.
182## ${target_configdirs} is directories we build using the target tools.
252b5132 183configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 184target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 185build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 186
9cc8ae67 187m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 188[case $srcdir in
189 *" "*)
190m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
191 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
192m4_popdef([AS_MESSAGE_LOG_FD])dnl
193 ;;
194esac
195ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 196])
197
252b5132
RH		 198################################################################################
199
252b5132
RH		 200srcname="gnu development package"
201
202# This gets set non-empty for some net releases of packages.
203appdirs=""
204
c712250a
DD		 205# Define is_cross_compiler to save on calls to 'test'.
206is_cross_compiler=
207if test x"${host}" = x"${target}" ; then
208 is_cross_compiler=no
209else
210 is_cross_compiler=yes
7ec59b9e 211fi
c712250a 212
9175bfc0 213# Find the build and target subdir names.
dd12c3a8 214GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 215# Be sure to cover against remnants of an in-tree build.
216if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
218Use a pristine source tree when building in a separate tree])
219fi
252b5132 220
f48556b1
DD		 221# Skipdirs are removed silently.
222skipdirs=
223# Noconfigdirs are removed loudly.
224noconfigdirs=""
252b5132 225
f48556b1
DD		 226use_gnu_ld=
227# Make sure we don't let GNU ld be added if we didn't want it.
228if test x$with_gnu_ld = xno ; then
229 use_gnu_ld=no
93f9b408 230 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 231fi
232
f48556b1
DD		 233use_gnu_as=
234# Make sure we don't let GNU as be added if we didn't want it.
235if test x$with_gnu_as = xno ; then
236 use_gnu_as=no
237 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 238fi
239
700d40ca 240use_included_zlib=
cf39cfc5
L		 241AC_ARG_WITH(system-zlib,
242[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
700d40ca
ILT		 243# Make sure we don't let ZLIB be added if we didn't want it.
244if test x$with_system_zlib = xyes ; then
245 use_included_zlib=no
246 noconfigdirs="$noconfigdirs zlib"
247fi
248
69961a84
ДП		 249# Don't compile the bundled readline/libreadline.a if --with-system-readline
250# is provided.
251if test x$with_system_readline = xyes ; then
252 noconfigdirs="$noconfigdirs readline"
253fi
254
7ec59b9e 255# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 256# it's not even worth trying to configure, much less build, that tool.
252b5132 257
f48556b1
DD		 258case ${with_x} in
259 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 260 no)
675c6968 261 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 262 # We won't be able to build gdbtk without X.
7ec59b9e 263 enable_gdbtk=no
ff0a3bf8 264 ;;
f48556b1
DD		 265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
266esac
252b5132 267
0377a422 268# Some are only suitable for cross toolchains.
405ea7a0
NN		 269# Remove these if host=target.
270cross_only="target-libgloss target-newlib target-opcodes"
252b5132 271
f48556b1
DD		 272case $is_cross_compiler in
273 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 274esac
252b5132 275
a32d391c
DD		 276# If both --with-headers and --with-libs are specified, default to
277# --without-newlib.
32be62b5
RS		 278if test x"${with_headers}" != x && test x"${with_headers}" != xno \
279 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 280 if test x"${with_newlib}" = x ; then
281 with_newlib=no
282 fi
283fi
284
285# Recognize --with-newlib/--without-newlib.
286case ${with_newlib} in
287 no) skipdirs="${skipdirs} target-newlib" ;;
288 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
289esac
290
1b6c0831
L		 291AC_ARG_ENABLE(as-accelerator-for,
292[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
293 [build as offload target compiler.
294 Specify offload host triple by ARG])])
295
296AC_ARG_ENABLE(offload-targets,
297[AS_HELP_STRING([--enable-offload-targets=LIST],
298 [enable offloading to devices from comma-separated LIST of
299 TARGET[=DIR]. Use optional path to find offload target compiler
300 during the build])],
301[
302 if test x"$enable_offload_targets" = x; then
303 AC_MSG_ERROR([no offload targets specified])
304 fi
305], [enable_offload_targets=])
306
c7791212
NC		 307# Handle --enable-gold, --enable-ld.
308# --disable-gold [--enable-ld]
309# Build only ld. Default option.
d3b50760
L		 310# --enable-gold [--enable-ld]
311# Build both gold and ld. Install gold as "ld.gold", install ld
312# as "ld.bfd" and "ld".
313# --enable-gold=default [--enable-ld]
c7791212
NC		 314# Build both gold and ld. Install gold as "ld.gold" and "ld",
315# install ld as "ld.bfd".
316# --enable-gold[=default] --disable-ld
317# Build only gold, which is then installed as both "ld.gold" and "ld".
318# --enable-gold --enable-ld=default
d3b50760
L		 319# Build both gold (installed as "ld.gold") and ld (installed as "ld"
320# and ld.bfd).
c7791212
NC		 321# In other words, ld is default
322# --enable-gold=default --enable-ld=default
323# Error.
324
325default_ld=
93f9b408 326AC_ARG_ENABLE(gold,
7837304f
AS		 327[AS_HELP_STRING([[--enable-gold[=ARG]]],
328 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 329ENABLE_GOLD=$enableval,
330ENABLE_GOLD=no)
c7791212
NC		 331case "${ENABLE_GOLD}" in
332 yes|default)
e6de499b
NC		 333 # Check for ELF target.
334 is_elf=no
335 case "${target}" in
336 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 337 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 338 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
bf41f30d 339 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 340 case "${target}" in
341 *-*-linux*aout* | *-*-linux*oldld*)
342 ;;
343 *)
344 is_elf=yes
345 ;;
346 esac
347 esac
348
349 if test "$is_elf" = "yes"; then
350 # Check for target supported by gold.
93f9b408 351 case "${target}" in
6d26190c 352 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
ea016470 353 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
c7791212
NC		 354 configdirs="$configdirs gold"
355 if test x${ENABLE_GOLD} = xdefault; then
356 default_ld=gold
357 fi
e6de499b 358 ENABLE_GOLD=yes
93f9b408
ILT		 359 ;;
360 esac
e6de499b
NC		 361 fi
362 ;;
363 no)
364 ;;
365 *)
366 AC_MSG_ERROR([invalid --enable-gold argument])
367 ;;
c7791212
NC		 368esac
369
370AC_ARG_ENABLE(ld,
7837304f
AS		 371[AS_HELP_STRING([[--enable-ld[=ARG]]],
372 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 373ENABLE_LD=$enableval,
374ENABLE_LD=yes)
375
376case "${ENABLE_LD}" in
377 default)
d3b50760 378 if test x${default_ld} != x; then
c7791212
NC		 379 AC_MSG_ERROR([either gold or ld can be the default ld])
380 fi
381 ;;
382 yes)
383 ;;
384 no)
385 if test x${ENABLE_GOLD} != xyes; then
386 AC_MSG_WARN([neither ld nor gold are enabled])
387 fi
388 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
389 ;;
390 *)
391 AC_MSG_ERROR([invalid --enable-ld argument])
392 ;;
393esac
93f9b408 394
edeefb67
L		 395# PR gas/19109
396# Decide the default method for compressing debug sections.
397# Provide a configure time option to override our default.
398AC_ARG_ENABLE(compressed_debug_sections,
6c3bc0f8 399[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
edeefb67
L		 400 [Enable compressed debug sections for gas, gold or ld by
401 default])],
402[
403 if test x"$enable_compressed_debug_sections" = xyes; then
404 AC_MSG_ERROR([no program with compressed debug sections specified])
405 fi
406], [enable_compressed_debug_sections=])
407
252b5132
RH		 408# Configure extra directories which are host specific
409
410case "${host}" in
f48556b1 411 *-cygwin*)
3866be5d 412 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 413esac
414
59f7ec45
HPN		 415# A target can indicate whether a language isn't supported for some reason.
416# Only spaces may be used in this macro; not newlines or tabs.
417unsupported_languages=
418
7ec59b9e 419# Remove more programs from consideration, based on the host or
252b5132
RH		 420# target this usually means that a port of the program doesn't
421# exist yet.
422
252b5132 423case "${host}" in
3516a403 424 i[[3456789]]86-*-msdosdjgpp*)
6a608608 425 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 426 ;;
252b5132
RH		 427esac
428
4b1cb4fe 429
89a1e9c3
PB		 430AC_ARG_ENABLE(libquadmath,
431AS_HELP_STRING([--disable-libquadmath],
432 [do not build libquadmath directory]),
433ENABLE_LIBQUADMATH=$enableval,
434ENABLE_LIBQUADMATH=yes)
435if test "${ENABLE_LIBQUADMATH}" = "no" ; then
436 noconfigdirs="$noconfigdirs target-libquadmath"
437fi
438
439
440AC_ARG_ENABLE(libquadmath-support,
441AS_HELP_STRING([--disable-libquadmath-support],
442 [disable libquadmath support for Fortran]),
443ENABLE_LIBQUADMATH_SUPPORT=$enableval,
444ENABLE_LIBQUADMATH_SUPPORT=yes)
445enable_libquadmath_support=
446if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
447 enable_libquadmath_support=no
448fi
449
450
a2592b1b 451AC_ARG_ENABLE(libada,
7837304f 452[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 453ENABLE_LIBADA=$enableval,
454ENABLE_LIBADA=yes)
455if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 456 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 457fi
458
5f128533 459AC_ARG_ENABLE(libssp,
7837304f 460[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 461ENABLE_LIBSSP=$enableval,
462ENABLE_LIBSSP=yes)
5f128533 463
f66a9a70
L		 464AC_ARG_ENABLE(libstdcxx,
465AS_HELP_STRING([--disable-libstdcxx],
466 [do not build libstdc++-v3 directory]),
467ENABLE_LIBSTDCXX=$enableval,
468ENABLE_LIBSTDCXX=default)
469[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1b6c0831 470 noconfigdirs="$noconfigdirs target-libstdc++-v3"
f66a9a70
L		 471fi]
472
1b6c0831
L		 473# If this is accelerator compiler and its target is intelmic we enable
474# target liboffloadmic by default. If this is compiler with offloading
475# for intelmic we enable host liboffloadmic by default. Otherwise
476# liboffloadmic is disabled by default.
477AC_ARG_ENABLE([liboffloadmic],
478AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
479 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
480[case "$enableval" in
481 no | host | target)
482 enable_liboffloadmic=$enableval ;;
483 *)
484 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
485esac],
486[if test x"$enable_as_accelerator_for" != x; then
487 case "${target}" in
488 *-intelmic-* | *-intelmicemul-*)
489 enable_liboffloadmic=target
490 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
491 ;;
492 *)
493 enable_liboffloadmic=no
494 ;;
495 esac
496else
497 case "${enable_offload_targets}" in
498 *-intelmic-* | *-intelmicemul-*)
499 enable_liboffloadmic=host
500 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
501 ;;
502 *)
503 enable_liboffloadmic=no
504 ;;
505 esac
506fi])
507AC_SUBST(extra_liboffloadmic_configure_flags)
508
68996839 509# Enable libgomp by default on hosted POSIX systems, and a few others.
a6df5a19 510if test x$enable_libgomp = x ; then
b3ded179 511 case "${target}" in
29383458 512 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 513 ;;
5b806d27 514 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 515 ;;
2479f722 516 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 517 ;;
518 *-*-darwin* | *-*-aix*)
519 ;;
68996839
NC		 520 nvptx*-*-*)
521 ;;
b3ded179
PB		 522 *)
523 noconfigdirs="$noconfigdirs target-libgomp"
524 ;;
525 esac
a6df5a19 526fi
b3ded179 527
7ec59b9e
L		 528# Disable libatomic on unsupported systems.
529if test -d ${srcdir}/libatomic; then
530 if test x$enable_libatomic = x; then
531 AC_MSG_CHECKING([for libatomic support])
532 if (srcdir=${srcdir}/libatomic; \
533 . ${srcdir}/configure.tgt; \
534 test -n "$UNSUPPORTED")
535 then
536 AC_MSG_RESULT([no])
537 noconfigdirs="$noconfigdirs target-libatomic"
538 else
539 AC_MSG_RESULT([yes])
540 fi
541 fi
542fi
543
1b6c0831
L		 544# Disable liboffloadmic on unsupported systems.
545if test -d ${srcdir}/liboffloadmic; then
546 if test x$enable_liboffloadmic != xno; then
547 AC_MSG_CHECKING([for liboffloadmic support])
548 if (srcdir=${srcdir}/liboffloadmic; \
549 . ${srcdir}/configure.tgt; \
550 test -n "$UNSUPPORTED")
551 then
552 AC_MSG_RESULT([no])
553 noconfigdirs="$noconfigdirs target-liboffloadmic"
554 else
555 AC_MSG_RESULT([yes])
556 fi
557 fi
558fi
559
d32e2926
RH		 560# Disable libitm on unsupported systems.
561if test -d ${srcdir}/libitm; then
562 if test x$enable_libitm = x; then
563 AC_MSG_CHECKING([for libitm support])
564 if (srcdir=${srcdir}/libitm; \
565 . ${srcdir}/configure.tgt; \
566 test -n "$UNSUPPORTED")
567 then
568 AC_MSG_RESULT([no])
569 noconfigdirs="$noconfigdirs target-libitm"
570 else
571 AC_MSG_RESULT([yes])
572 fi
573 fi
574fi
575
5286fdef
L		 576# Disable libsanitizer on unsupported systems.
577if test -d ${srcdir}/libsanitizer; then
578 if test x$enable_libsanitizer = x; then
579 AC_MSG_CHECKING([for libsanitizer support])
580 if (srcdir=${srcdir}/libsanitizer; \
581 . ${srcdir}/configure.tgt; \
582 test -n "$UNSUPPORTED")
583 then
584 AC_MSG_RESULT([no])
585 noconfigdirs="$noconfigdirs target-libsanitizer"
586 else
587 AC_MSG_RESULT([yes])
588 fi
589 fi
590fi
591
95e43135
JBG		 592# Disable libvtv on unsupported systems.
593if test -d ${srcdir}/libvtv; then
594 if test x$enable_libvtv = x; then
595 AC_MSG_CHECKING([for libvtv support])
596 if (srcdir=${srcdir}/libvtv; \
597 . ${srcdir}/configure.tgt; \
598 test "$VTV_SUPPORTED" != "yes")
599 then
600 AC_MSG_RESULT([no])
601 noconfigdirs="$noconfigdirs target-libvtv"
602 else
603 AC_MSG_RESULT([yes])
604 fi
605 fi
606fi
607
1b6c0831 608
bf41f30d
NC		 609# Disable libhsail-rt on unsupported systems.
610if test -d ${srcdir}/libhsail-rt; then
611 if test x$enable_libhsail_rt = x; then
612 AC_MSG_CHECKING([for libhsail-rt support])
613 if (srcdir=${srcdir}/libhsail-rt; \
614 . ${srcdir}/configure.tgt; \
615 test -n "$UNSUPPORTED")
616 then
617 AC_MSG_RESULT([no])
618 unsupported_languages="$unsupported_languages brig"
619 # This implicitly disables also target-libhsail-rt as it won't
620 # get added to the build without BRIG FE.
621 else
622 AC_MSG_RESULT([yes])
623 fi
624 fi
625fi
1b6c0831
L		 626
627
1488e230
DE		 628# Disable libquadmath for some systems.
629case "${target}" in
5286fdef
L		 630 avr-*-*)
631 noconfigdirs="$noconfigdirs target-libquadmath"
632 ;;
1488e230
DE		 633 # libquadmath is unused on AIX and libquadmath build process use of
634 # LD_LIBRARY_PATH can break AIX bootstrap.
635 powerpc-*-aix* | rs6000-*-aix*)
636 noconfigdirs="$noconfigdirs target-libquadmath"
637 ;;
638esac
639
065a5627
JM		 640# Disable libssp for some systems.
641case "${target}" in
642 avr-*-*)
c5f5c3c2 643 # No hosted I/O support.
065a5627
JM		 644 noconfigdirs="$noconfigdirs target-libssp"
645 ;;
646 powerpc-*-aix* | rs6000-*-aix*)
647 noconfigdirs="$noconfigdirs target-libssp"
648 ;;
99c513f6 649 rl78-*-*)
202e2356
NC		 650 # libssp uses a misaligned load to trigger a fault, but the RL78
651 # doesn't fault for those - instead, it gives a build-time error
652 # for explicit misaligned loads.
99c513f6
DD		 653 noconfigdirs="$noconfigdirs target-libssp"
654 ;;
1b6c0831
L		 655 visium-*-*)
656 # No hosted I/O support.
657 noconfigdirs="$noconfigdirs target-libssp"
658 ;;
065a5627
JM		 659esac
660
065a5627 661# Disable libstdc++-v3 for some systems.
f66a9a70
L		 662# Allow user to override this if they pass --enable-libstdc++-v3
663if test "${ENABLE_LIBSTDCXX}" = "default" ; then
664 case "${target}" in
665 *-*-vxworks*)
666 # VxWorks uses the Dinkumware C++ library.
667 noconfigdirs="$noconfigdirs target-libstdc++-v3"
668 ;;
669 arm*-wince-pe*)
670 # the C++ libraries don't build on top of CE's C libraries
671 noconfigdirs="$noconfigdirs target-libstdc++-v3"
672 ;;
673 avr-*-*)
674 noconfigdirs="$noconfigdirs target-libstdc++-v3"
675 ;;
969b1713
L		 676 ft32-*-*)
677 noconfigdirs="$noconfigdirs target-libstdc++-v3"
678 ;;
f66a9a70
L		 679 esac
680fi
065a5627
JM		 681
682# Disable Fortran for some systems.
683case "${target}" in
684 mmix-*-*)
685 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
686 unsupported_languages="$unsupported_languages fortran"
687 ;;
688esac
689
05a13254 690# Disable libffi for some systems.
0827f9a6 691case "${target}" in
9863d716
JM		 692 powerpc-*-darwin*)
693 ;;
694 i[[3456789]]86-*-darwin*)
695 ;;
696 x86_64-*-darwin[[912]]*)
697 ;;
698 *-*-darwin*)
05a13254 699 noconfigdirs="$noconfigdirs target-libffi"
9863d716 700 ;;
9863d716 701 *-*-netware*)
05a13254
NC		 702 noconfigdirs="$noconfigdirs target-libffi"
703 ;;
704 *-*-phoenix*)
705 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 706 ;;
707 *-*-rtems*)
05a13254 708 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 709 ;;
710 *-*-tpf*)
05a13254 711 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 712 ;;
713 *-*-uclinux*)
05a13254 714 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 715 ;;
716 *-*-vxworks*)
05a13254
NC		 717 noconfigdirs="$noconfigdirs target-libffi"
718 ;;
719 aarch64*-*-freebsd*)
720 noconfigdirs="$noconfigdirs target-libffi"
9863d716 721 ;;
9863d716 722 alpha*-*-*vms*)
05a13254 723 noconfigdirs="$noconfigdirs target-libffi"
9863d716 724 ;;
1b6c0831 725 arm*-*-freebsd*)
05a13254 726 noconfigdirs="$noconfigdirs target-libffi"
1b6c0831 727 ;;
0827f9a6 728 arm-wince-pe)
05a13254 729 noconfigdirs="$noconfigdirs target-libffi"
9863d716 730 ;;
9863d716 731 arm*-*-symbianelf*)
05a13254 732 noconfigdirs="$noconfigdirs target-libffi"
9863d716 733 ;;
9863d716 734 cris-*-* | crisv32-*-*)
9863d716
JM		 735 case "${target}" in
736 *-*-linux*)
737 ;;
738 *) # See PR46792 regarding target-libffi.
05a13254 739 noconfigdirs="$noconfigdirs target-libffi";;
9863d716
JM		 740 esac
741 ;;
82ae827f 742 hppa*64*-*-hpux*)
05a13254 743 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 744 ;;
745 hppa*-hp-hpux11*)
746 ;;
82ae827f 747 hppa*-*-hpux*)
05a13254 748 noconfigdirs="$noconfigdirs target-libffi"
9863d716 749 ;;
9863d716 750 ia64*-*-*vms*)
05a13254 751 noconfigdirs="$noconfigdirs target-libffi"
9863d716 752 ;;
9863d716 753 i[[3456789]]86-w64-mingw*)
05a13254 754 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 755 ;;
756 i[[3456789]]86-*-mingw*)
05a13254 757 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 758 ;;
759 x86_64-*-mingw*)
05a13254 760 noconfigdirs="$noconfigdirs target-libffi"
9863d716 761 ;;
9863d716 762 mmix-*-*)
05a13254 763 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 764 ;;
765 powerpc-*-aix*)
9863d716 766 ;;
9863d716 767 rs6000-*-aix*)
9863d716 768 ;;
3f8107ab 769 ft32-*-*)
05a13254 770 noconfigdirs="$noconfigdirs target-libffi"
3f8107ab 771 ;;
9863d716 772 *-*-lynxos*)
05a13254 773 noconfigdirs="$noconfigdirs target-libffi"
1b6c0831
L		 774 ;;
775esac
776
777# Disable the go frontend on systems where it is known to not work. Please keep
778# this in sync with contrib/config-list.mk.
779case "${target}" in
bf41f30d 780*-*-darwin* | *-*-cygwin* | *-*-mingw*)
1b6c0831
L		 781 unsupported_languages="$unsupported_languages go"
782 ;;
9863d716
JM		 783esac
784
919adfe8
TT		 785# Only allow gdbserver on some systems.
786if test -d ${srcdir}/gdbserver; then
787 if test x$enable_gdbserver = x; then
788 AC_MSG_CHECKING([for gdbserver support])
789 if (srcdir=${srcdir}/gdbserver; \
790 . ${srcdir}/configure.srv; \
791 test -n "$UNSUPPORTED")
792 then
793 AC_MSG_RESULT([no])
794 noconfigdirs="$noconfigdirs gdbserver"
795 else
796 AC_MSG_RESULT([yes])
797 fi
798 fi
799fi
800
a413f71a
ILT		 801# Disable libgo for some systems where it is known to not work.
802# For testing, you can easily override this with --enable-libgo.
803if test x$enable_libgo = x; then
804 case "${target}" in
805 *-*-darwin*)
806 # PR 46986
807 noconfigdirs="$noconfigdirs target-libgo"
808 ;;
809 *-*-cygwin* | *-*-mingw*)
810 noconfigdirs="$noconfigdirs target-libgo"
811 ;;
a413f71a
ILT		 812 esac
813fi
814
691bb5a1
DD		 815# Default libgloss CPU subdirectory.
816libgloss_dir="$target_cpu"
4b1cb4fe 817
ff46fb8f
JM		 818case "${target}" in
819 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
820 libgloss_dir=wince
821 ;;
f1dd87fc
YZ		 822 aarch64*-*-* )
823 libgloss_dir=aarch64
824 ;;
ff46fb8f
JM		 825 arm*-*-*)
826 libgloss_dir=arm
827 ;;
828 cris-*-* | crisv32-*-*)
829 libgloss_dir=cris
830 ;;
831 hppa*-*-*)
832 libgloss_dir=pa
833 ;;
834 i[[3456789]]86-*-*)
835 libgloss_dir=i386
836 ;;
837 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
838 libgloss_dir=m68hc11
839 ;;
840 m68*-*-* | fido-*-*)
841 libgloss_dir=m68k
842 ;;
843 mips*-*-*)
844 libgloss_dir=mips
845 ;;
846 powerpc*-*-*)
847 libgloss_dir=rs6000
848 ;;
849 sparc*-*-*)
850 libgloss_dir=sparc
851 ;;
852esac
853
c7e4b184 854# Disable newlib and libgloss for various target OSes.
252b5132 855case "${target}" in
c7e4b184
JM		 856 alpha*-dec-osf*)
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 ;;
859 i[[3456789]]86-*-linux*)
860 # This section makes it possible to build newlib natively on linux.
861 # If we are using a cross compiler then don't configure newlib.
862 if test x${is_cross_compiler} != xno ; then
863 noconfigdirs="$noconfigdirs target-newlib"
864 fi
865 noconfigdirs="$noconfigdirs target-libgloss"
866 # If we are not using a cross compiler, do configure newlib.
867 # Note however, that newlib will only be configured in this situation
868 # if the --with-newlib option has been given, because otherwise
869 # 'target-newlib' will appear in skipdirs.
870 ;;
871 i[[3456789]]86-*-rdos*)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 ;;
874 sh*-*-pe|mips*-*-pe|arm-wince-pe)
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 ;;
877 sparc-*-sunos4*)
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 ;;
880 *-*-aix*)
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 ;;
883 *-*-beos*)
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 ;;
75205f78 886 *-*-chorusos)
b2f14e4a 887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 888 ;;
c7e4b184
JM		 889 *-*-dragonfly*)
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 ;;
892 *-*-freebsd*)
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 ;;
895 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
896 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
897 ;;
898 *-*-lynxos*)
899 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 900 ;;
c7e4b184
JM		 901 *-*-mingw*)
902 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
903 ;;
904 *-*-netbsd*)
905 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
906 ;;
907 *-*-netware*)
908 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 ;;
910 *-*-tpf*)
911 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
912 ;;
913 *-*-uclinux*)
914 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
915 ;;
916 *-*-vxworks*)
917 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 ;;
919esac
920
921case "${target}" in
922 *-*-chorusos)
923 ;;
f075eb5e
TG		 924 aarch64-*-darwin*)
925 noconfigdirs="$noconfigdirs ld gas gdb gprof"
926 noconfigdirs="$noconfigdirs sim target-rda"
927 ;;
928 arm-*-darwin*)
929 noconfigdirs="$noconfigdirs ld gas gdb gprof"
930 noconfigdirs="$noconfigdirs sim target-rda"
931 ;;
24741ab2 932 powerpc-*-darwin*)
9d39db92 933 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 934 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 935 ;;
85bd1942
TG		 936 i[[3456789]]86-*-darwin*)
937 noconfigdirs="$noconfigdirs ld gprof"
938 noconfigdirs="$noconfigdirs sim target-rda"
939 ;;
e8a5fa9c 940 x86_64-*-darwin[[912]]*)
652dec25
TG		 941 noconfigdirs="$noconfigdirs ld gas gprof"
942 noconfigdirs="$noconfigdirs sim target-rda"
943 ;;
04d1ab34 944 *-*-darwin*)
d320aacb 945 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 946 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 947 ;;
5b806d27 948 *-*-dragonfly*)
5b806d27 949 ;;
de0b4a87 950 *-*-freebsd*)
4b1cb4fe
DD		 951 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
952 && test -f /usr/local/include/gmp.h; then
953 with_gmp=/usr/local
954 fi
4b1cb4fe 955 ;;
f8a495c8
NC		 956 *-*-kaos*)
957 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 958 noconfigdirs="$noconfigdirs target-libgloss"
959 ;;
e82380cc 960 *-*-netbsd*)
e82380cc 961 ;;
2a3124ca 962 *-*-netware*)
252b5132 963 ;;
05a13254
NC		 964 *-*-phoenix*)
965 noconfigdirs="$noconfigdirs target-libgloss"
966 ;;
252b5132 967 *-*-rtems*)
9863d716 968 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 969 ;;
1587117a
EC		 970 # The tpf target doesn't support gdb yet.
971 *-*-tpf*)
c7e4b184 972 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 973 ;;
c1968181 974 *-*-uclinux*)
c7e4b184 975 noconfigdirs="$noconfigdirs target-rda"
c1968181 976 ;;
252b5132 977 *-*-vxworks*)
252b5132
RH		 978 ;;
979 alpha*-dec-osf*)
e99daf2b 980 # ld works, but does not support shared libraries.
252b5132 981 # gas doesn't generate exception information.
c7e4b184 982 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 983 ;;
984 alpha*-*-*vms*)
9863d716 985 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 986 ;;
252b5132
RH		 987 alpha*-*-*)
988 # newlib is not 64 bit ready
9863d716 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 990 ;;
2fb651f6 991 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 992 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 993 ;;
05a13254
NC		 994 arc*-*-*)
995 noconfigdirs="$noconfigdirs sim"
252b5132
RH		 996 ;;
997 arm-*-pe*)
9863d716 998 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 999 ;;
252b5132 1000 arm-*-riscix*)
b2f14e4a 1001 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1002 ;;
8e71395b
L		 1003 avr-*-*)
1004 if test x${with_avrlibc} != xno; then
1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1006 fi
1007 ;;
ff72e302 1008 c4x-*-* | tic4x-*-*)
b2f14e4a 1009 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 1010 ;;
b2f14e4a
JM		 1011 tic54x-*-*)
1012 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 1013 ;;
252b5132 1014 d10v-*-*)
b2f14e4a 1015 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1016 ;;
252b5132 1017 d30v-*-*)
b2f14e4a 1018 noconfigdirs="$noconfigdirs gdb"
252b5132 1019 ;;
252b5132 1020 fr30-*-elf*)
9863d716 1021 noconfigdirs="$noconfigdirs gdb"
252b5132 1022 ;;
3f8107ab
AM		 1023 ft32-*-*)
1024 noconfigdirs="$noconfigdirs target-rda gprof"
1025 ;;
20135e4c 1026 moxie-*-*)
10b8fe5e 1027 noconfigdirs="$noconfigdirs"
20135e4c 1028 ;;
dd1e52a4 1029 h8300*-*-*)
9863d716 1030 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 1031 ;;
252b5132 1032 h8500-*-*)
b2f14e4a 1033 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1034 ;;
caeba88f 1035 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1036 ;;
5569a85f
JDA		 1037 hppa*64*-*-hpux*)
1038 noconfigdirs="$noconfigdirs gdb"
1039 ;;
1040 hppa*-*-hpux11*)
1041 noconfigdirs="$noconfigdirs gdb ld"
1042 ;;
93cc359e 1043 hppa*64*-*-linux*)
252b5132 1044 ;;
f0ff0f90 1045 hppa*-*-linux*)
5dcac624 1046 ;;
252b5132 1047 hppa*-*-*elf* | \
09e90eb4 1048 hppa*-*-lites* | \
17240c1f 1049 hppa*-*-openbsd* | \
09e90eb4 1050 hppa*64*-*-*)
4f0ef2d8 1051 ;;
691bb5a1 1052 hppa*-*-pro*)
691bb5a1 1053 ;;
252b5132 1054 hppa*-*-*)
9863d716 1055 noconfigdirs="$noconfigdirs ld"
252b5132 1056 ;;
b07c2aad 1057 i960-*-*)
b2f14e4a 1058 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1059 ;;
2315914d
JW		 1060 ia64*-*-elf*)
1061 # No gdb support yet.
0377a422 1062 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1063 ;;
a0c1c920 1064 ia64*-**-hpux*)
92c9a463 1065 # No ld support yet.
5569a85f 1066 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
a0c1c920 1067 ;;
19e99079 1068 ia64*-*-*vms*)
7ec59b9e
L		 1069 # No ld support yet.
1070 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1071 ;;
1f53ca9a 1072 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1073 ;;
1074 i[[3456789]]86-*-mingw*)
45055374 1075 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1076 ;;
252b5132
RH		 1077 *-*-cygwin*)
1078 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1079 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1080 # always build newlib if winsup directory is present.
45055374 1081 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1082 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1083 elif test -d "$srcdir/newlib"; then
45055374 1084 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1085 fi
1f53ca9a 1086 ;;
ec11bdc6 1087 i[[3456789]]86-*-pe)
782cb41f 1088 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1089 ;;
ec11bdc6 1090 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1091 # The linker does not yet know about weak symbols in COFF,
1092 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1093 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1094 ;;
ec11bdc6 1095 i[[3456789]]86-*-sco*)
b2f14e4a 1096 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1097 ;;
cff32a7c 1098 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1099 noconfigdirs="$noconfigdirs target-libgloss"
1100 ;;
ec11bdc6 1101 i[[3456789]]86-*-sysv4*)
b2f14e4a 1102 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1103 ;;
ec11bdc6 1104 i[[3456789]]86-*-beos*)
c7e4b184 1105 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1106 ;;
b59bea8a 1107 i[[3456789]]86-*-rdos*)
c7e4b184 1108 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1109 ;;
75205f78 1110 mmix-*-*)
9863d716 1111 noconfigdirs="$noconfigdirs gdb"
75205f78 1112 ;;
4970f871 1113 mt-*-*)
cdb9b172
AH		 1114 noconfigdirs="$noconfigdirs sim"
1115 ;;
1063beb5
FT		 1116 nfp-*-*)
1117 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1118 noconfigdirs="$noconfigdirs $target_libraries"
1119 ;;
11104e42
SC		 1120 pdp11-*-*)
1121 noconfigdirs="$noconfigdirs gdb gprof"
1122 ;;
252b5132
RH		 1123 powerpc-*-aix*)
1124 # copied from rs6000-*-* entry
c7e4b184 1125 noconfigdirs="$noconfigdirs gprof"
252b5132 1126 ;;
93cc359e 1127 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1128 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1129 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1130 # always build newlib.
1131 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1132 ;;
1133 # This is temporary until we can link against shared libraries
1134 powerpcle-*-solaris*)
b2f14e4a 1135 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1136 ;;
1137 powerpc-*-beos*)
c7e4b184 1138 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1139 ;;
1140 rs6000-*-lynxos*)
c7e4b184 1141 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1142 ;;
1143 rs6000-*-aix*)
c7e4b184 1144 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1145 ;;
1146 rs6000-*-*)
9863d716 1147 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1148 ;;
1149 m68k-apollo-*)
b2f14e4a 1150 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1151 ;;
25a07265 1152 microblaze*)
9863d716 1153 noconfigdirs="$noconfigdirs gprof"
25a07265 1154 ;;
a9d58c06 1155 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS		 1156 if test x$with_newlib = xyes; then
1157 noconfigdirs="$noconfigdirs gprof"
1158 fi
5bd8be13 1159 ;;
252b5132 1160 mips*-*-irix5*)
b2f14e4a 1161 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1162 ;;
1163 mips*-*-irix6*)
9863d716 1164 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1165 ;;
252b5132 1166 mips*-*-bsd*)
e8044f35 1167 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1168 ;;
fad93c55 1169 mips*-*-linux*)
fad93c55 1170 ;;
e8044f35
RS		 1171 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1172 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1173 noconfigdirs="$noconfigdirs ld gas gprof"
1174 ;;
252b5132 1175 mips*-*-*)
9863d716 1176 noconfigdirs="$noconfigdirs gprof"
252b5132 1177 ;;
1b6c0831 1178 nvptx*-*-*)
1b6c0831
L		 1179 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1180 ;;
05a13254 1181 sh-*-*)
e8a5fa9c
RW		 1182 case "${target}" in
1183 sh*-*-elf)
9863d716 1184 ;;
e8a5fa9c 1185 *)
9863d716 1186 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1187 esac
252b5132 1188 ;;
252b5132 1189 sparc-*-sunos4*)
c7e4b184 1190 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1191 use_gnu_ld=no
1192 fi
1193 ;;
619a3713 1194 tic6x-*-*)
40ae9136 1195 noconfigdirs="$noconfigdirs sim"
619a3713 1196 ;;
05a13254 1197 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC		 1198 noconfigdirs="$noconfigdirs sim"
1199 ;;
252b5132 1200 v810-*-*)
b2f14e4a 1201 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1202 ;;
1203 vax-*-*)
9863d716 1204 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1205 ;;
b29d2641
MR		 1206 wasm32-*-*)
1207 noconfigdirs="$noconfigdirs ld"
1208 ;;
252b5132
RH		 1209esac
1210
1211# If we aren't building newlib, then don't build libgloss, since libgloss
1212# depends upon some newlib header files.
1213case "${noconfigdirs}" in
1214 *target-libgloss*) ;;
1215 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1216esac
252b5132 1217
f48556b1 1218# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1219host_makefile_frag=/dev/null
f48556b1
DD		 1220if test -d ${srcdir}/config ; then
1221case "${host}" in
ec11bdc6 1222 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1223 host_makefile_frag="config/mh-djgpp"
1224 ;;
1225 *-cygwin*)
e33b51a6 1226 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1227 host_makefile_frag="config/mh-cygwin"
1228 ;;
8a1599ab 1229 *-mingw*)
84e7906e 1230 host_makefile_frag="config/mh-mingw"
80f6dcbc 1231 ;;
ce6c656d
L		 1232 alpha*-linux*)
1233 host_makefile_frag="config/mh-alpha-linux"
1234 ;;
da888c87 1235 hppa*-hp-hpux10*)
da888c87 1236 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1237 ;;
3516a403 1238 hppa*-hp-hpux*)
da888c87
PB		 1239 host_makefile_frag="config/mh-pa"
1240 ;;
7ec59b9e 1241 hppa*-*)
da888c87
PB		 1242 host_makefile_frag="config/mh-pa"
1243 ;;
e552509b
ILT		 1244 *-*-darwin*)
1245 host_makefile_frag="config/mh-darwin"
0df3d27f 1246 ;;
f6d183c0
PB		 1247 powerpc-*-aix*)
1248 host_makefile_frag="config/mh-ppc-aix"
1249 ;;
1250 rs6000-*-aix*)
1251 host_makefile_frag="config/mh-ppc-aix"
1252 ;;
f48556b1
DD		 1253esac
1254fi
1255
9e07f89d 1256if test "${build}" != "${host}" ; then
b5714970
PB		 1257 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1258 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1259 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970 1260 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
b5714970 1261 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1262 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1263 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1264 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1265 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1266 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1267 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1268 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1269else
b5714970
PB		 1270 AR_FOR_BUILD="\$(AR)"
1271 AS_FOR_BUILD="\$(AS)"
9e07f89d 1272 CC_FOR_BUILD="\$(CC)"
b5714970 1273 CXX_FOR_BUILD="\$(CXX)"
b5714970 1274 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1275 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1276 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1277 LD_FOR_BUILD="\$(LD)"
1278 NM_FOR_BUILD="\$(NM)"
1279 RANLIB_FOR_BUILD="\$(RANLIB)"
1280 WINDRES_FOR_BUILD="\$(WINDRES)"
1281 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1282fi
9e07f89d 1283
24ff9987
DJ		 1284AC_PROG_CC
1285AC_PROG_CXX
1286
1287# We must set the default linker to the linker used by gcc for the correct
1288# operation of libtool. If LD is not defined and we are using gcc, try to
1289# set the LD default to the ld used by gcc.
1290if test -z "$LD"; then
1291 if test "$GCC" = yes; then
1292 case $build in
1293 *-*-mingw*)
1294 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1295 *)
1296 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1297 esac
1298 case $gcc_prog_ld in
1299 # Accept absolute paths.
1300 [[\\/]* | [A-Za-z]:[\\/]*)]
1301 LD="$gcc_prog_ld" ;;
1302 esac
1303 fi
9e07f89d
NN		 1304fi
1305
b3676d82
EB		 1306# Check whether -static-libstdc++ -static-libgcc is supported.
1307have_static_libs=no
1308if test "$GCC" = yes; then
1309 saved_LDFLAGS="$LDFLAGS"
1310
1311 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1312 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1313 AC_LANG_PUSH(C++)
d0ac1c44 1314 AC_LINK_IFELSE([AC_LANG_SOURCE([
a882be68
EB		 1315#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1316#error -static-libstdc++ not implemented
1317#endif
d0ac1c44 1318int main() {}])],
b3676d82
EB		 1319 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1320 [AC_MSG_RESULT([no])])
1321 AC_LANG_POP(C++)
1322
1323 LDFLAGS="$saved_LDFLAGS"
1324fi
1325
9e07f89d 1326ACX_PROG_GNAT
b8908782 1327ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1328
ffdd6afc
ILT		 1329AC_ARG_ENABLE([bootstrap],
1330[AS_HELP_STRING([--enable-bootstrap],
1331 [enable bootstrapping @<:@yes if native build@:>@])],,
1332enable_bootstrap=default)
1333
1334# Issue errors and warnings for invalid/strange bootstrap combinations.
1335if test -r $srcdir/gcc/configure; then
1336 have_compiler=yes
1337else
1338 have_compiler=no
1339fi
1340
1341case "$have_compiler:$host:$target:$enable_bootstrap" in
1342 *:*:*:no) ;;
1343
1344 # Default behavior. Enable bootstrap if we have a compiler
1345 # and we are in a native configuration.
1346 yes:$build:$build:default)
1347 enable_bootstrap=yes ;;
1348
1349 *:*:*:default)
1350 enable_bootstrap=no ;;
1351
1352 # We have a compiler and we are in a native configuration, bootstrap is ok
1353 yes:$build:$build:yes)
1354 ;;
1355
1356 # Other configurations, but we have a compiler. Assume the user knows
1357 # what he's doing.
1358 yes:*:*:yes)
1359 AC_MSG_WARN([trying to bootstrap a cross compiler])
1360 ;;
1361
1362 # No compiler: if they passed --enable-bootstrap explicitly, fail
1363 no:*:*:yes)
1364 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1365
1366 # Fail if wrong command line
1367 *)
1368 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1369 ;;
1370esac
1371
ce6c656d
L		 1372# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1373# C++98 compiler can still start the bootstrap.
1374if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1375 CXX="$CXX -std=gnu++98"
1376fi
1377
d5f2ee2e
KG		 1378# Used for setting $lt_cv_objdir
1379_LT_CHECK_OBJDIR
1380
e8a5fa9c 1381# Check for GMP, MPFR and MPC
d9b76ff9 1382gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1383gmpinc=
4b900473 1384have_gmp=no
e8a5fa9c 1385
301a9420
AM		 1386# Check for debuginfod
1387AC_DEBUGINFOD
1388
e8a5fa9c
RW		 1389# Specify a location for mpc
1390# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1391AC_ARG_WITH(mpc,
1392[AS_HELP_STRING([--with-mpc=PATH],
1393 [specify prefix directory for installed MPC package.
1394 Equivalent to --with-mpc-include=PATH/include
1395 plus --with-mpc-lib=PATH/lib])])
1396AC_ARG_WITH(mpc-include,
1397[AS_HELP_STRING([--with-mpc-include=PATH],
1398 [specify directory for installed MPC include files])])
1399AC_ARG_WITH(mpc-lib,
1400[AS_HELP_STRING([--with-mpc-lib=PATH],
1401 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1402
1403if test "x$with_mpc" != x; then
d9b76ff9
KG		 1404 gmplibs="-L$with_mpc/lib $gmplibs"
1405 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1406fi
1407if test "x$with_mpc_include" != x; then
d9b76ff9 1408 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1409fi
1410if test "x$with_mpc_lib" != x; then
d9b76ff9 1411 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1412fi
1413if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1414 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1415 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1416 # Do not test the mpc version. Assume that it is sufficient, since
1417 # it is in the source tree, and the library has not been built yet
1418 # but it would be included on the link line in the version check below
1419 # hence making the test fail.
d9b76ff9 1420 have_gmp=yes
e8a5fa9c 1421fi
4b900473 1422
11b04d1f
DD		 1423# Specify a location for mpfr
1424# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1425AC_ARG_WITH(mpfr-dir,
1426[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1427[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1428Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1429
1430AC_ARG_WITH(mpfr,
1431[AS_HELP_STRING([--with-mpfr=PATH],
1432 [specify prefix directory for installed MPFR package.
1433 Equivalent to --with-mpfr-include=PATH/include
1434 plus --with-mpfr-lib=PATH/lib])])
1435AC_ARG_WITH(mpfr-include,
1436[AS_HELP_STRING([--with-mpfr-include=PATH],
1437 [specify directory for installed MPFR include files])])
1438AC_ARG_WITH(mpfr-lib,
1439[AS_HELP_STRING([--with-mpfr-lib=PATH],
1440 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1441
1442if test "x$with_mpfr" != x; then
1443 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1444 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1445fi
8a0d8a5c 1446if test "x$with_mpfr_include" != x; then
d9b76ff9 1447 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1448fi
1449if test "x$with_mpfr_lib" != x; then
1450 gmplibs="-L$with_mpfr_lib $gmplibs"
1451fi
4b900473 1452if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21 1453 # MPFR v3.1.0 moved the sources into a src sub-directory.
05a13254
NC		 1454 if ! test -d ${srcdir}/mpfr/src; then
1455 AC_MSG_ERROR([dnl
1456Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
58b1dd21 1457 fi
05a13254
NC		 1458 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1459 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1460 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
4b900473
PB		 1461 # Do not test the mpfr version. Assume that it is sufficient, since
1462 # it is in the source tree, and the library has not been built yet
1463 # but it would be included on the link line in the version check below
1464 # hence making the test fail.
1465 have_gmp=yes
1466fi
11b04d1f 1467
4b1cb4fe 1468# Specify a location for gmp
7837304f
AS		 1469AC_ARG_WITH(gmp-dir,
1470[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1471[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1472Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1473
1474AC_ARG_WITH(gmp,
1475[AS_HELP_STRING([--with-gmp=PATH],
1476 [specify prefix directory for the installed GMP package.
1477 Equivalent to --with-gmp-include=PATH/include
1478 plus --with-gmp-lib=PATH/lib])])
1479AC_ARG_WITH(gmp-include,
1480[AS_HELP_STRING([--with-gmp-include=PATH],
1481 [specify directory for installed GMP include files])])
1482AC_ARG_WITH(gmp-lib,
1483[AS_HELP_STRING([--with-gmp-lib=PATH],
1484 [specify directory for the installed GMP library])])
4b1cb4fe 1485
4b1cb4fe 1486
11b04d1f
DD		 1487if test "x$with_gmp" != x; then
1488 gmplibs="-L$with_gmp/lib $gmplibs"
1489 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1490fi
8a0d8a5c
PB		 1491if test "x$with_gmp_include" != x; then
1492 gmpinc="-I$with_gmp_include $gmpinc"
1493fi
1494if test "x$with_gmp_lib" != x; then
1495 gmplibs="-L$with_gmp_lib $gmplibs"
1496fi
4b900473 1497if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1498 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1499 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1500 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1501 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1502 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1503 # Do not test the gmp version. Assume that it is sufficient, since
1504 # it is in the source tree, and the library has not been built yet
1505 # but it would be included on the link line in the version check below
1506 # hence making the test fail.
1507 have_gmp=yes
1508fi
4b1cb4fe 1509
ceb92e78 1510if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1511 have_gmp=yes
1512 saved_CFLAGS="$CFLAGS"
1513 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1514 # Check for the recommended and required versions of GMP.
1515 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1516 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1517 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1518 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1519 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1520 choke me
4b900473 1521 #endif
a009f2e7 1522 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1523 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1524 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1525 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1526 choke me
1527 #endif
a009f2e7 1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1529 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1530
e8a5fa9c 1531 # If we have GMP, check the MPFR version.
4b900473 1532 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1533 # Check for the recommended and required versions of MPFR.
1534 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1535 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1536 #include <mpfr.h>],[
7ec59b9e 1537 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1538 choke me
1539 #endif
a009f2e7 1540 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1541 #include <mpfr.h>],[
a6b5846e 1542 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1543 choke me
1544 #endif
a009f2e7 1545 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1546 [AC_MSG_RESULT([no]); have_gmp=no])
1547 fi
1548
1549 # Check for the MPC header version.
d9b76ff9 1550 if test x"$have_gmp" = xyes ; then
a6b5846e 1551 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1552 AC_MSG_CHECKING([for the correct version of mpc.h])
1553 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1554 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1555 choke me
1556 #endif
a009f2e7 1557 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1558 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1559 choke me
1560 #endif
a009f2e7 1561 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1562 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1563 fi
1564
1565 # Now check the MPFR library.
1566 if test x"$have_gmp" = xyes; then
1567 saved_LIBS="$LIBS"
1568 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1569 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1570 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1571 mpfr_t n;
1572 mpfr_t x;
d9b76ff9 1573 mpc_t c;
4b900473 1574 int t;
a3ca38d2
DD		 1575 mpfr_init (n);
1576 mpfr_init (x);
4b900473
PB		 1577 mpfr_atan2 (n, n, x, GMP_RNDN);
1578 mpfr_erfc (n, x, GMP_RNDN);
1579 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1580 mpfr_clear(n);
1581 mpfr_clear(x);
1582 mpc_init2 (c, 53);
1583 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1584 mpc_cosh (c, c, MPC_RNDNN);
1585 mpc_pow (c, c, c, MPC_RNDNN);
1586 mpc_acosh (c, c, MPC_RNDNN);
1587 mpc_clear (c);
e8a5fa9c
RW		 1588 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1589 LIBS="$saved_LIBS"
4b900473 1590 fi
e8a5fa9c 1591
4b900473 1592 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1593
a6b5846e
KG		 1594# The library versions listed in the error message below should match
1595# the HARD-minimums enforced above.
4b900473 1596 if test x$have_gmp != xyes; then
7ec59b9e 1597 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1598Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1599their locations. Source code for these libraries can be found at
1600their respective hosting sites as well as at
1601ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1602http://gcc.gnu.org/install/prerequisites.html for additional info. If
1603you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1604make sure that you have installed both the libraries and the header
1605files. They may be located in separate packages.])
4b900473 1606 fi
9dbaa842
DD		 1607fi
1608
e8a5fa9c 1609# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1610AC_SUBST(gmplibs)
1611AC_SUBST(gmpinc)
e8a5fa9c
RW		 1612AC_SUBST(extra_mpfr_configure_flags)
1613AC_SUBST(extra_mpc_gmp_configure_flags)
1614AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1615AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1616
e8a5fa9c
RW		 1617# Libraries to use for stage1 or when not bootstrapping.
1618AC_ARG_WITH(stage1-libs,
7837304f 1619[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1620[if test "$withval" = "no" -o "$withval" = "yes"; then
1621 stage1_libs=
1622 else
1623 stage1_libs=$withval
1624 fi],
68996839 1625[stage1_libs=])
e8a5fa9c
RW		 1626AC_SUBST(stage1_libs)
1627
c1a5d03a
TT		 1628# Whether or not to use -static-libstdc++ and -static-libgcc. The
1629# default is yes if gcc is being built; no otherwise. The reason for
1630# this default is that gdb is sometimes linked against GNU Source
1631# Highlight, which is a shared library that uses C++ exceptions. In
1632# this case, -static-libstdc++ will cause crashes.
1633AC_ARG_WITH(static-standard-libraries,
1634[AS_HELP_STRING([--with-static-standard-libraries],
1635 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1636[], [with_static_standard_libraries=auto])
1637if test "$with_static_standard_libraries" = auto; then
1638 with_static_standard_libraries=$have_compiler
1639fi
1640
b3676d82
EB		 1641# Linker flags to use for stage1 or when not bootstrapping.
1642AC_ARG_WITH(stage1-ldflags,
1643[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1644[if test "$withval" = "no" -o "$withval" = "yes"; then
1645 stage1_ldflags=
1646 else
1647 stage1_ldflags=$withval
1648 fi],
1649[stage1_ldflags=
1650 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1651 # if supported. But if the user explicitly specified the libraries to use,
1652 # trust that they are doing what they want.
c1a5d03a
TT		 1653 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1654 -a "$have_static_libs" = yes; then
b3676d82
EB		 1655 stage1_ldflags="-static-libstdc++ -static-libgcc"
1656 fi])
1657AC_SUBST(stage1_ldflags)
1658
68996839 1659# Libraries to use for stage2 and later builds.
e8a5fa9c 1660AC_ARG_WITH(boot-libs,
7837304f 1661[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1662[if test "$withval" = "no" -o "$withval" = "yes"; then
1663 poststage1_libs=
1664 else
1665 poststage1_libs=$withval
1666 fi],
68996839 1667[poststage1_libs=])
e8a5fa9c
RW		 1668AC_SUBST(poststage1_libs)
1669
143754cd
NC		 1670# Linker flags to use for stage2 and later builds.
1671AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1672[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1673 [linker flags for stage2 and later])],
143754cd
NC		 1674[if test "$withval" = "no" -o "$withval" = "yes"; then
1675 poststage1_ldflags=
1676 else
1677 poststage1_ldflags=$withval
1678 fi],
1679[poststage1_ldflags=
4f11b223
ILT		 1680 # In stages 2 and 3, default to linking libstdc++ and libgcc
1681 # statically. But if the user explicitly specified the libraries to
1682 # use, trust that they are doing what they want.
1683 if test "$poststage1_libs" = ""; then
143754cd
NC		 1684 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1685 fi])
1686AC_SUBST(poststage1_ldflags)
1687
4849dfd8 1688# GCC GRAPHITE dependency isl.
1b6c0831 1689# Basic setup is inlined here, actual checks are in config/isl.m4
8e71395b 1690
8e71395b
L		 1691AC_ARG_WITH(isl,
1692 [AS_HELP_STRING(
1693 [--with-isl=PATH],
4849dfd8 1694 [Specify prefix directory for the installed isl package.
8e71395b
L		 1695 Equivalent to --with-isl-include=PATH/include
1696 plus --with-isl-lib=PATH/lib])])
1697
1b6c0831 1698# Treat --without-isl as a request to disable
8e71395b 1699# GRAPHITE support and skip all following checks.
1b6c0831 1700if test "x$with_isl" != "xno"; then
4849dfd8 1701 # Check for isl
8e71395b
L		 1702 dnl Provide configure switches and initialize islinc & isllibs
1703 dnl with user input.
1704 ISL_INIT_FLAGS
4849dfd8 1705 dnl The versions of isl that work for Graphite
1b6c0831 1706 ISL_CHECK_VERSION()
4849dfd8 1707 dnl Only execute fail-action, if isl has been requested.
7ec59b9e 1708 ISL_IF_FAILED([
4849dfd8 1709 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
e28c595f
JM		 1710fi
1711
4849dfd8 1712# If the isl check failed, disable builds of in-tree variant of isl
8e71395b 1713if test "x$with_isl" = xno ||
8e71395b 1714 test "x$gcc_cv_isl" = xno; then
1b6c0831 1715 noconfigdirs="$noconfigdirs isl"
8e71395b 1716 islinc=
7ec59b9e
L		 1717fi
1718
1b6c0831 1719AC_SUBST(isllibs)
8e71395b 1720AC_SUBST(islinc)
8e71395b 1721
700d40ca
ILT		 1722# Check for LTO support.
1723AC_ARG_ENABLE(lto,
7837304f 1724[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1725enable_lto=$enableval,
1726enable_lto=yes; default_enable_lto=yes)
1727
74cea91b
DK		 1728ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1729 build_lto_plugin=yes
1730],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1731 case $target in
bf41f30d 1732 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
74cea91b 1733 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1734 *) enable_lto=no ;;
1735 esac
e49e5c92 1736 else
29821356
RW		 1737 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1738 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1739 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1740 # warn during gcc/ subconfigure; unless you're bootstrapping with
1741 # -flto it won't be needed until after installation anyway.
1742 case $target in
52cf9762 1743 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
e49e5c92
DK		 1744 *) if test x"$enable_lto" = x"yes"; then
1745 AC_MSG_ERROR([LTO support is not enabled for this target.])
1746 fi
1747 ;;
1748 esac
1749 fi
a8eb3f0a 1750 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1751 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1752 case $target in
74cea91b 1753 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1754 *) ;;
1755 esac
74cea91b 1756])
700d40ca 1757
1b6c0831
L		 1758AC_ARG_ENABLE(linker-plugin-configure-flags,
1759 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1760 [additional flags for configuring linker plugins @<:@none@:>@])],
1761 extra_linker_plugin_configure_flags=$enableval,
1762 extra_linker_plugin_configure_flags=)
1763AC_SUBST(extra_linker_plugin_configure_flags)
1764AC_ARG_ENABLE(linker-plugin-flags,
1765 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1766 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1767 extra_linker_plugin_flags=$enableval,
1768 extra_linker_plugin_flags=)
1769AC_SUBST(extra_linker_plugin_flags)
1770
bf41f30d
NC		 1771# Enable --enable-host-shared.
1772# Checked early to determine whether jit is an 'all' language
1773AC_ARG_ENABLE(host-shared,
1774[AS_HELP_STRING([--enable-host-shared],
1775 [build host code as shared libraries])],
1776[host_shared=$enableval], [host_shared=no])
1777AC_SUBST(host_shared)
e28c595f 1778
7ec59b9e 1779# By default, C and C++ are the only stage 1 languages.
9b134994 1780stage1_languages=,c,
1d39f329 1781
e8a5fa9c 1782# Target libraries that we bootstrap.
2aa2364a 1783bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1784
9e07f89d
NN		 1785# Figure out what language subdirectories are present.
1786# Look if the user specified --enable-languages="..."; if not, use
1787# the environment variable $LANGUAGES if defined. $LANGUAGES might
1788# go away some day.
1789# NB: embedded tabs in this IF block -- do not untabify
1790if test -d ${srcdir}/gcc; then
1791 if test x"${enable_languages+set}" != xset; then
1792 if test x"${LANGUAGES+set}" = xset; then
1793 enable_languages="${LANGUAGES}"
136bb21f 1794 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
9e07f89d 1795 else
bf41f30d 1796 enable_languages=default
9e07f89d
NN		 1797 fi
1798 else
1799 if test x"${enable_languages}" = x ||
1800 test x"${enable_languages}" = xyes;
1801 then
136bb21f 1802 echo configure.ac: --enable-languages needs at least one language argument 1>&2
9e07f89d
NN		 1803 exit 1
1804 fi
1805 fi
1806 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1807
096f7d00
DE		 1808 # 'f95' is the old name for the 'fortran' language. We issue a warning
1809 # and make the substitution.
1810 case ,${enable_languages}, in
1811 *,f95,*)
136bb21f 1812 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
096f7d00
DE		 1813 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1814 ;;
1815 esac
1816
7ec59b9e
L		 1817 # If bootstrapping, C++ must be enabled.
1818 case ",$enable_languages,:$enable_bootstrap" in
1819 *,c++,*:*) ;;
1820 *:yes)
ffdd6afc
ILT		 1821 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1822 enable_languages="${enable_languages},c++"
1823 else
7ec59b9e 1824 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1825 fi
1826 ;;
1827 esac
1828
9e07f89d
NN		 1829 # First scan to see if an enabled language requires some other language.
1830 # We assume that a given config-lang.in will list all the language
1831 # front ends it requires, even if some are required indirectly.
1832 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1833 case ${lang_frag} in
1834 ..) ;;
1835 # The odd quoting in the next line works around
1836 # an apparent bug in bash 1.12 on linux.
1837 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1838 *)
e552509b
ILT		 1839 # From the config-lang.in, get $language, $lang_requires, and
1840 # $lang_requires_boot_languages.
9e07f89d
NN		 1841 language=
1842 lang_requires=
e552509b 1843 lang_requires_boot_languages=
bf41f30d
NC		 1844 # set srcdir during sourcing lang_frag to the gcc dir.
1845 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1846 # polutes this shell
1847 saved_srcdir=${srcdir}
1848 srcdir=${srcdir}/gcc . ${lang_frag}
1849 srcdir=${saved_srcdir}
e552509b 1850 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1851 case ,${enable_languages}, in
1852 *,$other,*) ;;
bf41f30d 1853 *,default,*) ;;
9e07f89d
NN		 1854 *,all,*) ;;
1855 *,$language,*)
1856 echo " \`$other' language required by \`$language'; enabling" 1>&2
1857 enable_languages="${enable_languages},${other}"
1858 ;;
1859 esac
1860 done
e552509b
ILT		 1861 for other in ${lang_requires_boot_languages} ; do
1862 if test "$other" != "c"; then
1863 case ,${enable_stage1_languages}, in
1864 *,$other,*) ;;
bf41f30d 1865 *,default,*) ;;
e552509b
ILT		 1866 *,all,*) ;;
1867 *)
1868 case ,${enable_languages}, in
1869 *,$language,*)
1870 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1871 enable_stage1_languages="$enable_stage1_languages,${other}"
1872 ;;
1873 esac
1874 ;;
1875 esac
1876 fi
1877 done
9e07f89d
NN		 1878 ;;
1879 esac
1880 done
1881
9b134994 1882 new_enable_languages=,c,
700d40ca
ILT		 1883
1884 # If LTO is enabled, add the LTO front end.
700d40ca 1885 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1886 case ,${enable_languages}, in
1887 *,lto,*) ;;
1888 *) enable_languages="${enable_languages},lto" ;;
1889 esac
a8eb3f0a 1890 if test "${build_lto_plugin}" = "yes" ; then
700d40ca 1891 configdirs="$configdirs lto-plugin"
700d40ca
ILT		 1892 fi
1893 fi
1b6c0831
L		 1894
1895 # If we're building an offloading compiler, add the LTO front end.
1896 if test x"$enable_as_accelerator_for" != x ; then
1897 case ,${enable_languages}, in
1898 *,lto,*) ;;
1899 *) enable_languages="${enable_languages},lto" ;;
1900 esac
1901 fi
700d40ca 1902
bf41f30d 1903 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1904 potential_languages=,c,
9e07f89d 1905
9e1a94f4
ILT		 1906 enabled_target_libs=
1907 disabled_target_libs=
1908
9e07f89d
NN		 1909 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1910 case ${lang_frag} in
1911 ..) ;;
1912 # The odd quoting in the next line works around
1913 # an apparent bug in bash 1.12 on linux.
1914 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1915 *)
7ec59b9e 1916 # From the config-lang.in, get $language, $target_libs,
1d39f329 1917 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1918 language=
1919 target_libs=
1920 lang_dirs=
64ce424c 1921 subdir_requires=
9b134994
PB		 1922 boot_language=no
1923 build_by_default=yes
bf41f30d
NC		 1924 # set srcdir during sourcing. See above about save & restore
1925 saved_srcdir=${srcdir}
1926 srcdir=${srcdir}/gcc . ${lang_frag}
1927 srcdir=${saved_srcdir}
9b134994
PB		 1928 if test x${language} = x; then
1929 echo "${lang_frag} doesn't set \$language." 1>&2
1930 exit 1
1931 fi
1932
ffdd6afc 1933 if test "$language" = "c++"; then
7ec59b9e 1934 boot_language=yes
e8a5fa9c
RW		 1935 fi
1936
8e71395b 1937 add_this_lang=no
bf41f30d
NC		 1938 # C is always enabled, so no need to add it again
1939 if test "$language" != "c"; then
1940 case ,${enable_languages}, in
1941 *,${language},*)
1942 # Language was explicitly selected; include it
7ec59b9e 1943 add_this_lang=yes
bf41f30d
NC		 1944 ;;
1945 *,all,*)
1946 # All languages are enabled
1947 add_this_lang=all
1948 ;;
1949 *,default,*)
1950 # 'default' was selected, select it if it is a default language
8e71395b 1951 add_this_lang=${build_by_default}
bf41f30d
NC		 1952 ;;
1953 esac
1954 fi
4b1cb4fe 1955
64ce424c 1956 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1957 for i in $subdir_requires; do
3d3adb43 1958 test -f "$srcdir/gcc/$i/config-lang.in" && continue
bf41f30d
NC		 1959 case ${add_this_lang} in
1960 yes)
64ce424c
PB		 1961 # Specifically requested language; tell them.
1962 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1963 ;;
bf41f30d
NC		 1964 all)
1965 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1966 add_this_lang=unsupported
1967 ;;
64ce424c
PB		 1968 *)
1969 # Silently disable.
9b134994 1970 add_this_lang=unsupported
64ce424c
PB		 1971 ;;
1972 esac
1973 done
1974
9b134994 1975 # Disable Ada if no preexisting GNAT is available.
bf41f30d
NC		 1976 case ${add_this_lang}:${language}:${have_gnat} in
1977 yes:ada:no)
9b134994
PB		 1978 # Specifically requested language; tell them.
1979 AC_MSG_ERROR([GNAT is required to build $language])
1980 ;;
bf41f30d
NC		 1981 all:ada:no)
1982 AC_MSG_WARN([GNAT is required to build $language])
1983 add_this_lang=unsupported
1984 ;;
9b134994
PB		 1985 *:ada:no)
1986 # Silently disable.
1987 add_this_lang=unsupported
1988 ;;
1989 esac
1990
bf41f30d
NC		 1991 # Disable jit if -enable-host-shared not specified
1992 case ${add_this_lang}:${language}:${host_shared} in
1993 yes:jit:no)
1994 # PR jit/64780: explicitly specify --enable-host-shared
1995 AC_MSG_ERROR([
1996Enabling language "jit" requires --enable-host-shared.
1997
1998--enable-host-shared typically slows the rest of the compiler down by
1999a few %, so you must explicitly enable it.
2000
2001If you want to build both the jit and the regular compiler, it is often
2002best to do this via two separate configure/builds, in separate
2003directories, to avoid imposing the performance cost of
2004--enable-host-shared on the regular compiler.])
2005 ;;
2006 all:jit:no)
2007 AC_MSG_WARN([--enable-host-shared required to build $language])
2008 add_this_lang=unsupported
2009 ;;
2010 *:jit:no)
2011 # Silently disable.
2012 add_this_lang=unsupported
2013 ;;
2014 esac
2015
2016 # Disable a language that is unsupported by the target.
2017 case "${add_this_lang}: $unsupported_languages " in
2018 no:*) ;;
2019 unsupported:*) ;;
2020 *:*" $language "*)
2021 AC_MSG_WARN([${language} not supported for this target])
9b134994 2022 add_this_lang=unsupported
59f7ec45
HPN		 2023 ;;
2024 esac
2025
4b1cb4fe 2026 case $add_this_lang in
9b134994 2027 unsupported)
9e07f89d 2028 # Remove language-dependent dirs.
9e1a94f4
ILT		 2029 disabled_target_libs="$disabled_target_libs $target_libs"
2030 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 2031 ;;
9b134994
PB		 2032 no)
2033 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 2034 disabled_target_libs="$disabled_target_libs $target_libs"
2035 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 2036 potential_languages="${potential_languages}${language},"
2037 ;;
bf41f30d 2038 all|yes)
9b134994
PB		 2039 new_enable_languages="${new_enable_languages}${language},"
2040 potential_languages="${potential_languages}${language},"
1d39f329 2041 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 2042 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 2043 case "${boot_language}:,$enable_stage1_languages," in
2044 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 2045 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 2046 case ",$stage1_languages," in
2047 *,$language,* | ,yes, | ,all,) ;;
2048 *) stage1_languages="${stage1_languages}${language}," ;;
2049 esac
e8a5fa9c
RW		 2050 # We need to bootstrap any supporting libraries.
2051 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 2052 ;;
2053 esac
2054 ;;
9e07f89d
NN		 2055 esac
2056 ;;
2057 esac
2058 done
2059
9e1a94f4
ILT		 2060 # Add target libraries which are only needed for disabled languages
2061 # to noconfigdirs.
2062 if test -n "$disabled_target_libs"; then
2063 for dir in $disabled_target_libs; do
2064 case " $enabled_target_libs " in
2065 *" ${dir} "*) ;;
2066 *) noconfigdirs="$noconfigdirs $dir" ;;
2067 esac
2068 done
2069 fi
2070
9b134994 2071 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 2072 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2073 [choose additional languages to build during
2074 stage1. Mostly useful for compiler development])],
9b134994
PB		 2075 [case ,${enable_stage1_languages}, in
2076 ,no,|,,)
2077 # Set it to something that will have no effect in the loop below
2078 enable_stage1_languages=c ;;
2079 ,yes,)
2080 enable_stage1_languages=`echo $new_enable_languages | \
2081 sed -e "s/^,//" -e "s/,$//" ` ;;
2082 *,all,*)
2083 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2084 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2085 esac
2086
2087 # Add "good" languages from enable_stage1_languages to stage1_languages,
2088 # while "bad" languages go in missing_languages. Leave no duplicates.
2089 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2090 case $potential_languages in
2091 *,$i,*)
2092 case $stage1_languages in
2093 *,$i,*) ;;
2094 *) stage1_languages="$stage1_languages$i," ;;
2095 esac ;;
2096 *)
2097 case $missing_languages in
2098 *,$i,*) ;;
2099 *) missing_languages="$missing_languages$i," ;;
2100 esac ;;
2101 esac
2102 done])
2103
2104 # Remove leading/trailing commas that were added for simplicity
2105 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2106 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2107 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2108 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2109
9e07f89d
NN		 2110 if test "x$missing_languages" != x; then
2111 AC_MSG_ERROR([
27258dd4 2112The following requested languages could not be built: ${missing_languages}
9b134994 2113Supported languages are: ${potential_languages}])
9e07f89d 2114 fi
9e07f89d
NN		 2115 if test "x$new_enable_languages" != "x$enable_languages"; then
2116 echo The following languages will be built: ${new_enable_languages}
9b134994 2117 enable_languages="$new_enable_languages"
9e07f89d 2118 fi
9b134994
PB		 2119
2120 AC_SUBST(stage1_languages)
81ec575a 2121 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2122fi
2123
a6df5a19
PB		 2124# Handle --disable-<component> generically.
2125for dir in $configdirs $build_configdirs $target_configdirs ; do
2126 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2127 varname=`echo $dirname | sed -e s/+/_/g`
2128 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2129 noconfigdirs="$noconfigdirs $dir"
2130 fi
2131done
2132
4f0ef2d8
CD		 2133# Check for Boehm's garbage collector
2134AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2135[AS_HELP_STRING([--enable-objc-gc],
2136 [enable use of Boehm's garbage collector with the
05a13254
NC		 2137 GNU Objective-C runtime])])
2138AC_ARG_WITH([target-bdw-gc],
2139[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2140 [specify prefix directory for installed bdw-gc package.
2141 Equivalent to --with-target-bdw-gc-include=PATH/include
2142 plus --with-target-bdw-gc-lib=PATH/lib])])
2143AC_ARG_WITH([target-bdw-gc-include],
2144[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2145 [specify directories for installed bdw-gc include files])])
2146AC_ARG_WITH([target-bdw-gc-lib],
2147[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2148 [specify directories for installed bdw-gc library])])
2149
2150case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2151 AC_MSG_CHECKING([for bdw garbage collector])
2152 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2153 dnl no bdw-gw options, assume default locations
2154 AC_MSG_RESULT([using bdw-gc in default locations])
2155 else
2156 dnl bdw-gw options, first error checking, complete checking in libobjc
2157 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2158 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2159 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2160 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2161 else
2162 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
d42c4017 2163 fi
05a13254 2164 fi
4f0ef2d8
CD		 2165esac
2166
bf41f30d 2167# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
7ec59b9e 2168case ,${enable_languages}, in
1b6c0831 2169 *,c++,*)
bf41f30d 2170 # Disable libitm, libsanitizer if we're not building libstdc++
1b6c0831
L		 2171 case "${noconfigdirs}" in
2172 *target-libstdc++-v3*)
bf41f30d 2173 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
1b6c0831
L		 2174 ;;
2175 *) ;;
2176 esac
2177 ;;
7ec59b9e 2178 *)
bf41f30d 2179 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2180 ;;
2181esac
2182
caeba88f
AL		 2183# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2184# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2185# If we have the source for $noconfigdirs entries, add them to $notsupp.
2186
2187notsupp=""
2188for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2189 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2190 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2191 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2192 if test -r $srcdir/$dirname/configure ; then
2193 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2194 true
2195 else
2196 notsupp="$notsupp $dir"
2197 fi
2198 fi
2199 fi
caeba88f
AL		 2200 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2201 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2202 if test -r $srcdir/$dirname/configure ; then
2203 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2204 true
2205 else
2206 notsupp="$notsupp $dir"
2207 fi
2208 fi
2209 fi
9e07f89d
NN		 2210 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2211 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2212 if test -r $srcdir/$dirname/configure ; then
2213 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2214 true
2215 else
2216 notsupp="$notsupp $dir"
2217 fi
2218 fi
2219 fi
2220done
2221
9e07f89d
NN		 2222# Quietly strip out all directories which aren't configurable in this tree.
2223# This relies on all configurable subdirectories being autoconfiscated, which
2224# is now the case.
6a9cf61e
PB		 2225build_configdirs_all="$build_configdirs"
2226build_configdirs=
2227for i in ${build_configdirs_all} ; do
7ec59b9e 2228 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2229 if test -f ${srcdir}/$j/configure ; then
2230 build_configdirs="${build_configdirs} $i"
2231 fi
2232done
2233
9e07f89d
NN		 2234configdirs_all="$configdirs"
2235configdirs=
2236for i in ${configdirs_all} ; do
2237 if test -f ${srcdir}/$i/configure ; then
2238 configdirs="${configdirs} $i"
2239 fi
2240done
6a9cf61e 2241
9e07f89d
NN		 2242target_configdirs_all="$target_configdirs"
2243target_configdirs=
2244for i in ${target_configdirs_all} ; do
7ec59b9e 2245 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2246 if test -f ${srcdir}/$j/configure ; then
2247 target_configdirs="${target_configdirs} $i"
2248 fi
2249done
2250
1b6c0831
L		 2251# libiberty-linker-plugin is special: it doesn't have its own source directory,
2252# so we have to add it after the preceding checks.
2253if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2254then
2255 case " $configdirs " in
2256 *" libiberty "*)
2257 # If we can build libiberty, we can also build libiberty-linker-plugin.
2258 configdirs="$configdirs libiberty-linker-plugin"
2259 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2260 --with-libiberty=../libiberty-linker-plugin";;
2261 *)
2262 AC_MSG_ERROR([libiberty missing]);;
2263 esac
2264fi
2265
2266# Sometimes we have special requirements for the host libiberty.
2267extra_host_libiberty_configure_flags=
e81d5d05 2268extra_host_zlib_configure_flags=
1b6c0831
L		 2269case " $configdirs " in
2270 *" lto-plugin "* | *" libcc1 "*)
2271 # When these are to be built as shared libraries, the same applies to
2272 # libiberty.
2273 extra_host_libiberty_configure_flags=--enable-shared
2274 ;;
e81d5d05
L		 2275 *" bfd "*)
2276 # When bfd is to be built as a shared library, the same applies to
2277 # zlib.
2278 if test "$enable_shared" = "yes"; then
2279 extra_host_zlib_configure_flags=--enable-host-shared
2280 fi
2281 ;;
1b6c0831
L		 2282esac
2283AC_SUBST(extra_host_libiberty_configure_flags)
e81d5d05 2284AC_SUBST(extra_host_zlib_configure_flags)
1b6c0831 2285
9e07f89d
NN		 2286# Produce a warning message for the subdirs we can't configure.
2287# This isn't especially interesting in the Cygnus tree, but in the individual
2288# FSF releases, it's important to let people know when their machine isn't
2289# supported by the one or two programs in a package.
2290
2291if test -n "${notsupp}" && test -z "${norecursion}" ; then
2292 # If $appdirs is non-empty, at least one of those directories must still
2293 # be configured, or we error out. (E.g., if the gas release supports a
2294 # specified target in some subdirs but not the gas subdir, we shouldn't
2295 # pretend that all is well.)
2296 if test -n "$appdirs" ; then
2297 for dir in $appdirs ; do
2298 if test -r $dir/Makefile.in ; then
2299 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2300 appdirs=""
2301 break
2302 fi
6a9cf61e 2303 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2304 appdirs=""
2305 break
2306 fi
2307 fi
2308 done
2309 if test -n "$appdirs" ; then
2310 echo "*** This configuration is not supported by this package." 1>&2
2311 exit 1
2312 fi
2313 fi
2314 # Okay, some application will build, or we don't care to check. Still
2315 # notify of subdirs not getting built.
2316 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2317 echo " ${notsupp}" 1>&2
2318 echo " (Any other directories should still work fine.)" 1>&2
2319fi
2320
2321case "$host" in
2322 *msdosdjgpp*)
2323 enable_gdbtk=no ;;
2324esac
2325
24ff9987
DJ		 2326# To find our prefix, in gcc_cv_tool_prefix.
2327ACX_TOOL_DIRS
2328
9e07f89d
NN		 2329copy_dirs=
2330
7ec59b9e 2331AC_ARG_WITH([build-sysroot],
7837304f
AS		 2332 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2333 [use sysroot as the system root during the build])],
a19b6204
MM		 2334 [if test x"$withval" != x ; then
2335 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2336 fi],
2337 [SYSROOT_CFLAGS_FOR_TARGET=])
2338AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2339
8a6ee3ab 2340AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2341 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2342 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2343 [if test x"$withval" != x; then
2344 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2345 for debug_map in $withval; do
2346 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2347 done
2348 fi],
2349 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2350AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2351
7f6ef0c0
PB		 2352# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2353# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2354# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2355# We want to ensure that TARGET libraries (which we know are built with
2356# gcc) are built with "-O2 -g", so include those options when setting
2357# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2358if test "x$CFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2359 if test "x${is_cross_compiler}" = xyes; then
2360 CFLAGS_FOR_TARGET="-g -O2"
2361 else
2362 CFLAGS_FOR_TARGET=$CFLAGS
2363 case " $CFLAGS " in
2364 *" -O2 "*) ;;
2365 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2366 esac
2367 case " $CFLAGS " in
2368 *" -g "* | *" -g3 "*) ;;
2369 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2370 esac
2371 fi
7f6ef0c0
PB		 2372fi
2373AC_SUBST(CFLAGS_FOR_TARGET)
2374
2375if test "x$CXXFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2376 if test "x${is_cross_compiler}" = xyes; then
2377 CXXFLAGS_FOR_TARGET="-g -O2"
2378 else
2379 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2380 case " $CXXFLAGS " in
2381 *" -O2 "*) ;;
2382 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2383 esac
2384 case " $CXXFLAGS " in
2385 *" -g "* | *" -g3 "*) ;;
2386 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2387 esac
2388 fi
7f6ef0c0
PB		 2389fi
2390AC_SUBST(CXXFLAGS_FOR_TARGET)
2391
91c1f14c
DK		 2392AC_SUBST(LDFLAGS_FOR_TARGET)
2393
9e07f89d
NN		 2394# Handle --with-headers=XXX. If the value is not "yes", the contents of
2395# the named directory are copied to $(tooldir)/sys-include.
2396if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2397 if test x${is_cross_compiler} = xno ; then
2398 echo 1>&2 '***' --with-headers is only supported when cross compiling
2399 exit 1
2400 fi
2401 if test x"${with_headers}" != xyes ; then
24ff9987 2402 x=${gcc_cv_tool_prefix}
c6b750e1 2403 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2404 fi
2405fi
2406
2407# Handle --with-libs=XXX. If the value is not "yes", the contents of
2408# the name directories are copied to $(tooldir)/lib. Multiple directories
2409# are permitted.
2410if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2411 if test x${is_cross_compiler} = xno ; then
2412 echo 1>&2 '***' --with-libs is only supported when cross compiling
2413 exit 1
2414 fi
2415 if test x"${with_libs}" != xyes ; then
2416 # Copy the libraries in reverse order, so that files in the first named
2417 # library override files in subsequent libraries.
24ff9987 2418 x=${gcc_cv_tool_prefix}
9e07f89d 2419 for l in ${with_libs}; do
c6b750e1 2420 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2421 done
2422 fi
2423fi
2424
700d40ca 2425# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2426#
2427# This is done by determining whether or not the appropriate directory
2428# is available, and by checking whether or not specific configurations
2429# have requested that this magic not happen.
7ec59b9e
L		 2430#
2431# The command line options always override the explicit settings in
136bb21f 2432# configure.ac, and the settings in configure.ac override this magic.
2429c060 2433#
7ec59b9e 2434# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2435# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2436# --without-gnu-ld options for the configure script. Similarly, if
2437# the default is to use the included zlib and you don't want to do that,
2438# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2439
2440if test x${use_gnu_as} = x &&
2441 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2442 with_gnu_as=yes
2443 extra_host_args="$extra_host_args --with-gnu-as"
2444fi
2445
2446if test x${use_gnu_ld} = x &&
93f9b408 2447 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2448 with_gnu_ld=yes
2449 extra_host_args="$extra_host_args --with-gnu-ld"
2450fi
2451
700d40ca
ILT		 2452if test x${use_included_zlib} = x &&
2453 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2454 :
2455else
2456 with_system_zlib=yes
2457 extra_host_args="$extra_host_args --with-system-zlib"
2458fi
2459
2429c060
PB		 2460# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2461# can detect this case.
2462
2463if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2464 with_newlib=yes
2465 extra_host_args="$extra_host_args --with-newlib"
2466fi
2467
9e07f89d
NN		 2468# Handle ${copy_dirs}
2469set fnord ${copy_dirs}
2470shift
2471while test $# != 0 ; do
2472 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2473 :
2474 else
2475 echo Copying $1 to $2
2476
2477 # Use the install script to create the directory and all required
2478 # parent directories.
2479 if test -d $2 ; then
2480 :
2481 else
2482 echo >config.temp
2483 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2484 fi
2485
2486 # Copy the directory, assuming we have tar.
2487 # FIXME: Should we use B in the second tar? Not all systems support it.
2488 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2489
2490 # It is the responsibility of the user to correctly adjust all
2491 # symlinks. If somebody can figure out how to handle them correctly
2492 # here, feel free to add the code.
2493
2494 echo $1 > $2/COPIED
2495 fi
2496 shift; shift
2497done
2498
2429c060
PB		 2499# Determine a target-dependent exec_prefix that the installed
2500# gcc will search in. Keep this list sorted by triplet, with
2501# the *-*-osname triplets last.
2502md_exec_prefix=
2503case "${target}" in
521ec477 2504 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2505 md_exec_prefix=/dev/env/DJDIR/bin
2506 ;;
2429c060 2507 *-*-hpux* | \
2429c060 2508 *-*-nto-qnx* | \
1f111696 2509 *-*-solaris2*)
2429c060
PB		 2510 md_exec_prefix=/usr/ccs/bin
2511 ;;
2512esac
2513
874e38b4
NN		 2514extra_arflags_for_target=
2515extra_nmflags_for_target=
1086bc09 2516extra_ranlibflags_for_target=
a0da8069 2517target_makefile_frag=/dev/null
f48556b1 2518case "${target}" in
77d7106f
AM		 2519 spu-*-*)
2520 target_makefile_frag="config/mt-spu"
2521 ;;
a9d58c06 2522 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2523 target_makefile_frag="config/mt-sde"
2524 ;;
f3b1e08e
RS		 2525 mipsisa*-*-elfoabi*)
2526 target_makefile_frag="config/mt-mips-elfoabi"
2527 ;;
e7c8859c
RS		 2528 mips*-*-*linux* | mips*-*-gnu*)
2529 target_makefile_frag="config/mt-mips-gnu"
2530 ;;
d9e042ac
SL		 2531 nios2-*-elf*)
2532 target_makefile_frag="config/mt-nios2-elf"
2533 ;;
bf41f30d
NC		 2534 *-*-linux-android*)
2535 target_makefile_frag="config/mt-android"
2536 ;;
29383458 2537 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2538 target_makefile_frag="config/mt-gnu"
f48556b1 2539 ;;
a0da8069 2540 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2541 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2542 # commands to handle both 32-bit and 64-bit objects. These flags are
2543 # harmless if we're using GNU nm or ar.
2544 extra_arflags_for_target=" -X32_64"
2545 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2546 ;;
b6f83f2a
DD		 2547esac
2548
a0da8069 2549alphaieee_frag=/dev/null
b6f83f2a
DD		 2550case $target in
2551 alpha*-*-*)
2552 # This just makes sure to use the -mieee option to build target libs.
2553 # This should probably be set individually by each library.
2554 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2555 ;;
2556esac
a0a2c6c6 2557
f48556b1
DD		 2558# If --enable-target-optspace always use -Os instead of -O2 to build
2559# the target libraries, similarly if it is not specified, use -Os
2560# on selected platforms.
a0da8069 2561ospace_frag=/dev/null
f48556b1
DD		 2562case "${enable_target_optspace}:${target}" in
2563 yes:*)
b6f83f2a 2564 ospace_frag="config/mt-ospace"
f48556b1
DD		 2565 ;;
2566 :d30v-*)
b6f83f2a 2567 ospace_frag="config/mt-d30v"
f48556b1 2568 ;;
16beab3d 2569 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
b6f83f2a 2570 ospace_frag="config/mt-ospace"
f48556b1
DD		 2571 ;;
2572 no:* | :*)
2573 ;;
2574 *)
2575 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2576 ;;
2577esac
252b5132 2578
a0da8069
NN		 2579# Some systems (e.g., one of the i386-aix systems the gas testers are
2580# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2581tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2582build_tooldir=${tooldir}
2583
a0da8069
NN		 2584# Create a .gdbinit file which runs the one in srcdir
2585# and tells GDB to look there for source files.
2586
2587if test -r ${srcdir}/.gdbinit ; then
2588 case ${srcdir} in
2589 .) ;;
2590 *) cat > ./.gdbinit <<EOF
2591# ${NO_EDIT}
2592dir ${srcdir}
2593dir .
2594source ${srcdir}/.gdbinit
2595EOF
2596 ;;
2597 esac
2598fi
2599
252b5132
RH		 2600# Make sure that the compiler is able to generate an executable. If it
2601# can't, we are probably in trouble. We don't care whether we can run the
2602# executable--we might be using a cross compiler--we only care whether it
2603# can be created. At this point the main configure script has set CC.
a0c4f3a0 2604we_are_ok=no
252b5132
RH		 2605echo "int main () { return 0; }" > conftest.c
2606${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2607if test $? = 0 ; then
2608 if test -s conftest || test -s conftest.exe ; then
2609 we_are_ok=yes
2610 fi
7ec59b9e 2611fi
a0c4f3a0
DD		 2612case $we_are_ok in
2613 no)
2614 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2615 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2616 rm -f conftest*
2617 exit 1
2618 ;;
2619esac
252b5132
RH		 2620rm -f conftest*
2621
3bbd2f8f 2622# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2623case "${host}" in
2624 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2625 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2626 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2627 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2628esac
8607b6c9 2629
3bbd2f8f 2630# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2631# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2632# built executables to PATH.
3bbd2f8f
AL		 2633if test "$RPATH_ENVVAR" = PATH; then
2634 GCC_SHLIB_SUBDIR=/shlib
2635else
2636 GCC_SHLIB_SUBDIR=
2637fi
2638
730af8ee 2639# Adjust the toplevel makefile according to whether bootstrap was selected.
2640case $enable_bootstrap in
2641 yes)
2642 bootstrap_suffix=bootstrap
2643 BUILD_CONFIG=bootstrap-debug
2644 ;;
2645 no)
2646 bootstrap_suffix=no-bootstrap
2647 BUILD_CONFIG=
2648 ;;
2649esac
2650
2651AC_MSG_CHECKING(for default BUILD_CONFIG)
2652
2653AC_ARG_WITH([build-config],
2654 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2655 [use config/NAME.mk build configuration])],
2656 [case $with_build_config in
2657 yes) with_build_config= ;;
2658 no) with_build_config= BUILD_CONFIG= ;;
2659 esac])
2660
2661if test "x${with_build_config}" != x; then
2662 BUILD_CONFIG=$with_build_config
2663else
2664 case $BUILD_CONFIG in
2665 bootstrap-debug)
2666 if echo "int f (void) { return 0; }" > conftest.c &&
2667 ${CC} -c conftest.c &&
2668 mv conftest.o conftest.o.g0 &&
2669 ${CC} -c -g conftest.c &&
2670 mv conftest.o conftest.o.g &&
2671 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2672 :
2673 else
2674 BUILD_CONFIG=
2675 fi
2676 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2677 ;;
2678 esac
2679fi
2680AC_MSG_RESULT($BUILD_CONFIG)
2681AC_SUBST(BUILD_CONFIG)
2682
2683# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2684AC_MSG_CHECKING([for --enable-vtable-verify])
2685AC_ARG_ENABLE(vtable-verify,
ce6c656d
L		 2686[AS_HELP_STRING([--enable-vtable-verify],
2687 [Enable vtable verification feature])],
730af8ee 2688[case "$enableval" in
2689 yes) enable_vtable_verify=yes ;;
2690 no) enable_vtable_verify=no ;;
2691 *) enable_vtable_verify=no;;
2692 esac],
2693[enable_vtable_verify=no])
2694AC_MSG_RESULT($enable_vtable_verify)
2695
3866be5d
NN		 2696# Record target_configdirs and the configure arguments for target and
2697# build configuration in Makefile.
2698target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2699build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2700bootstrap_fixincludes=no
930314a4 2701
2aa2364a
JR		 2702# If we are building libgomp, bootstrap it.
2703if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2704 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2705fi
2706
730af8ee 2707# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2708# or bootstrap-ubsan, bootstrap it.
2709if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2710 case "$BUILD_CONFIG" in
2711 *bootstrap-asan* | *bootstrap-ubsan* )
2712 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2713 bootstrap_fixincludes=yes
730af8ee 2714 ;;
2715 esac
5eb08693
L		 2716fi
2717
730af8ee 2718# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2719if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2720 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2721 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2722fi
2723
930314a4
NN		 2724# Determine whether gdb needs tk/tcl or not.
2725# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2726# and in that case we want gdb to be built without tk. Ugh!
2727# In fact I believe gdb is the *only* package directly dependent on tk,
2728# so we should be able to put the 'maybe's in unconditionally and
2729# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2730# 100% sure that that's safe though.
c180f501 2731
675c6968 2732gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2733case "$enable_gdbtk" in
2734 no)
2735 GDB_TK="" ;;
c180f501
AC		 2736 yes)
2737 GDB_TK="${gdb_tk}" ;;
930314a4 2738 *)
c180f501
AC		 2739 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2740 # distro. Eventually someone will fix this and move Insight, nee
2741 # gdbtk to a separate directory.
2742 if test -d ${srcdir}/gdb/gdbtk ; then
2743 GDB_TK="${gdb_tk}"
2744 else
2745 GDB_TK=""
2746 fi
2747 ;;
930314a4 2748esac
907be67c
DJ		 2749CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2750INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2751
b6f9caee
TT		 2752# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2753# else does, only include them if one of these is built. The Makefile
2754# provides the ordering, so it's enough here to add to the list.
2755case " ${configdirs} " in
2756 *\ gdb\ *)
2757 configdirs="${configdirs} gnulib gdbsupport"
2758 ;;
2759 *\ gdbserver\ *)
2760 configdirs="${configdirs} gnulib gdbsupport"
2761 ;;
2762esac
73cc7272 2763
6bd3dfaa 2764# Strip out unwanted targets.
dd12c3a8
NN		 2765
2766# While at that, we remove Makefiles if we were started for recursive
2767# configuration, so that the top-level Makefile reconfigures them,
2768# like we used to do when configure itself was recursive.
dd12c3a8 2769
06a51eac
RW		 2770# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2771# but now we're fixing up the Makefile ourselves with the additional
2772# commands passed to AC_CONFIG_FILES. Use separate variables
2773# extrasub-{build,host,target} not because there is any reason to split
2774# the substitutions up that way, but only to remain below the limit of
2775# 99 commands in a script, for HP-UX sed.
4119873a
AO		 2776
2777# Do not nest @if/@endif or @unless/@endunless pairs, because
2778# configure will not warn you at all.
dd12c3a8 2779
16b1ad29
RW		 2780case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2781 yes:yes:*\ gold\ *:*,c++,*) ;;
2782 yes:yes:*\ gold\ *:*)
2783 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2784 ;;
2785esac
2786
06a51eac 2787extrasub_build=
6a9cf61e 2788for module in ${build_configdirs} ; do
dd12c3a8
NN		 2789 if test -z "${no_recursion}" \
2790 && test -f ${build_subdir}/${module}/Makefile; then
2791 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2792 rm -f ${build_subdir}/${module}/Makefile
2793 fi
06a51eac 2794 extrasub_build="$extrasub_build
6bd3dfaa 2795/^@if build-$module\$/d
498d4a71 2796/^@endif build-$module\$/d
4119873a 2797/^@unless build-$module\$/,/^@endunless build-$module\$/d
498d4a71 2798/^@if build-$module-$bootstrap_suffix\$/d
4119873a
AO		 2799/^@endif build-$module-$bootstrap_suffix\$/d
2800/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2801done
06a51eac 2802extrasub_host=
dd12c3a8 2803for module in ${configdirs} ; do
80911fe1 2804 if test -z "${no_recursion}"; then
8cf39b1b 2805 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2806 if test -f ${file}; then
2807 echo 1>&2 "*** removing ${file} to force reconfigure"
2808 rm -f ${file}
2809 fi
2810 done
dd12c3a8 2811 fi
201f096f 2812 case ${module},${bootstrap_fixincludes} in
2813 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2814 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2815 esac
06a51eac 2816 extrasub_host="$extrasub_host
6bd3dfaa 2817/^@if $module\$/d
498d4a71 2818/^@endif $module\$/d
4119873a 2819/^@unless $module\$/,/^@endunless $module\$/d
201f096f 2820/^@if $module-$host_bootstrap_suffix\$/d
4119873a
AO		 2821/^@endif $module-$host_bootstrap_suffix\$/d
2822/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2823done
06a51eac 2824extrasub_target=
dd12c3a8
NN		 2825for module in ${target_configdirs} ; do
2826 if test -z "${no_recursion}" \
2827 && test -f ${target_subdir}/${module}/Makefile; then
2828 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2829 rm -f ${target_subdir}/${module}/Makefile
2830 fi
e8a5fa9c
RW		 2831
2832 # We only bootstrap target libraries listed in bootstrap_target_libs.
2833 case $bootstrap_target_libs in
2834 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2835 *) target_bootstrap_suffix=no-bootstrap ;;
2836 esac
2837
06a51eac 2838 extrasub_target="$extrasub_target
6bd3dfaa 2839/^@if target-$module\$/d
498d4a71 2840/^@endif target-$module\$/d
4119873a 2841/^@unless target-$module\$/,/^@endunless target-$module\$/d
e8a5fa9c 2842/^@if target-$module-$target_bootstrap_suffix\$/d
4119873a
AO		 2843/^@endif target-$module-$target_bootstrap_suffix\$/d
2844/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
930314a4 2845done
319cab08 2846
06a51eac
RW		 2847# Do the final fixup along with target modules.
2848extrasub_target="$extrasub_target
4119873a
AO		 2849/^@if /,/^@endif /d
2850/^@unless /d
2851/^@endunless /d"
930314a4 2852
a2cc058a
NN		 2853# Create the serialization dependencies. This uses a temporary file.
2854
e6bfb94a 2855AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2856[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2857 [force sequential configuration of
2858 sub-packages for the host, target or build
2859 machine, or all sub-packages])])
1047cb91
DD		 2860
2861case ${enable_serial_configure} in
2862 yes)
2863 enable_serial_build_configure=yes
2864 enable_serial_host_configure=yes
2865 enable_serial_target_configure=yes
2866 ;;
2867esac
e6bfb94a 2868
a2cc058a
NN		 2869# These force 'configure's to be done one at a time, to avoid problems
2870# with contention over a shared config.cache.
2871rm -f serdep.tmp
e6bfb94a 2872echo '# serdep.tmp' > serdep.tmp
a2cc058a 2873olditem=
1047cb91 2874test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2875for item in ${build_configdirs} ; do
2876 case ${olditem} in
2877 "") ;;
e6bfb94a 2878 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2879 esac
2880 olditem=${item}
2881done
2882olditem=
1047cb91 2883test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2884for item in ${configdirs} ; do
2885 case ${olditem} in
2886 "") ;;
e6bfb94a 2887 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2888 esac
2889 olditem=${item}
2890done
2891olditem=
1047cb91 2892test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2893for item in ${target_configdirs} ; do
2894 case ${olditem} in
2895 "") ;;
e6bfb94a 2896 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2897 esac
2898 olditem=${item}
2899done
a0da8069
NN		 2900serialization_dependencies=serdep.tmp
2901AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2902
e6bfb94a 2903# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2904# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2905# might not want to pass down to subconfigures. The exception being
2906# --cache-file=/dev/null, which is used to turn off the use of cache
2907# files altogether, and which should be passed on to subconfigures.
2908# Also strip program-prefix, program-suffix, and program-transform-name,
2909# so that we can pass down a consistent program-transform-name.
c6b750e1 2910baseargs=
65b4571a 2911tbaseargs=
c6b750e1
DJ		 2912keep_next=no
2913skip_next=no
2914eval "set -- $ac_configure_args"
b0aaa663
DJ		 2915for ac_arg
2916do
c6b750e1
DJ		 2917 if test X"$skip_next" = X"yes"; then
2918 skip_next=no
2919 continue
2920 fi
2921 if test X"$keep_next" = X"yes"; then
2922 case $ac_arg in
2923 *\'*)
2924 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2925 esac
2926 baseargs="$baseargs '$ac_arg'"
65b4571a 2927 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2928 keep_next=no
2929 continue
2930 fi
2931
2932 # Handle separated arguments. Based on the logic generated by
2933 # autoconf 2.59.
2934 case $ac_arg in
2935 *=* | --config-cache | -C | -disable-* | --disable-* \
2936 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2937 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2938 | -with-* | --with-* | -without-* | --without-* | --x)
2939 separate_arg=no
2940 ;;
2941 -*)
2942 separate_arg=yes
2943 ;;
2944 *)
2945 separate_arg=no
2946 ;;
2947 esac
2948
65b4571a
AO		 2949 skip_targ=no
2950 case $ac_arg in
2951changequote(,)
2952 --with-* | --without-*)
2953 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2954
2955 case $libopt in
2956 *[-_]include)
2957 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2958 ;;
2959 *[-_]lib)
2960 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2961 ;;
2962 *)
2963 lib=$libopt
2964 ;;
2965 esac
2966changequote([,])
2967
2968 case $lib in
1b6c0831 2969 mpc | mpfr | gmp | isl)
65b4571a
AO		 2970 # If we're processing --with-$lib, --with-$lib-include or
2971 # --with-$lib-lib, for one of the libs above, and target is
2972 # different from host, don't pass the current argument to any
2973 # target library's configure.
2974 if test x$is_cross_compiler = xyes; then
2975 skip_targ=yes
2976 fi
2977 ;;
2978 esac
2979 ;;
2980 esac
2981
c6b750e1 2982 case "$ac_arg" in
30167e0a
NC		 2983 --cache-file=/dev/null | \
2984 -cache-file=/dev/null )
2985 # Handled here to avoid the test to skip args below.
2986 baseargs="$baseargs '$ac_arg'"
65b4571a 2987 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2988 # Assert: $separate_arg should always be no.
2989 keep_next=$separate_arg
2990 ;;
c6b750e1
DJ		 2991 --no*)
2992 continue
2993 ;;
2994 --c* | \
2995 --sr* | \
2996 --ho* | \
2997 --bu* | \
2998 --t* | \
2999 --program-* | \
3000 -cache_file* | \
3001 -srcdir* | \
3002 -host* | \
3003 -build* | \
3004 -target* | \
3005 -program-prefix* | \
3006 -program-suffix* | \
3007 -program-transform-name* )
3008 skip_next=$separate_arg
3009 continue
3010 ;;
3011 -*)
3012 # An option. Add it.
3013 case $ac_arg in
3014 *\'*)
3015 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3016 esac
3017 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 3018 if test X"$skip_targ" = Xno; then
3019 tbaseargs="$tbaseargs '$ac_arg'"
3020 fi
c6b750e1
DJ		 3021 keep_next=$separate_arg
3022 ;;
3023 *)
3024 # Either a variable assignment, or a nonopt (triplet). Don't
3025 # pass it down; let the Makefile handle this.
3026 continue
3027 ;;
3028 esac
3029done
3030# Remove the initial space we just introduced and, as these will be
3031# expanded by make, quote '$'.
3032baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 3033
f27d4f92
DJ		 3034# Add in --program-transform-name, after --program-prefix and
3035# --program-suffix have been applied to it. Autoconf has already
3036# doubled dollar signs and backslashes in program_transform_name; we want
3037# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 3038# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 3039# Also, because we want to override the logic in subdir configure scripts to
3040# choose program_transform_name, replace any s,x,x, with s,y,y,.
3041sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3042${program_transform_name}
3043EOF_SED
3044gcc_transform_name=`cat conftestsed.out`
3045rm -f conftestsed.out
3046baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 3047tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 3048if test "$silent" = yes; then
3049 baseargs="$baseargs --silent"
65b4571a 3050 tbaseargs="$tbaseargs --silent"
2444379b 3051fi
34a0f3cf 3052baseargs="$baseargs --disable-option-checking"
65b4571a 3053tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 3054
4074d5f2
RW		 3055# Record and document user additions to sub configure arguments.
3056AC_ARG_VAR([build_configargs],
3057 [additional configure arguments for build directories])
3058AC_ARG_VAR([host_configargs],
3059 [additional configure arguments for host directories])
3060AC_ARG_VAR([target_configargs],
3061 [additional configure arguments for target directories])
3062
49b7683b
DD		 3063# For the build-side libraries, we just need to pretend we're native,
3064# and not use the same cache file. Multilibs are neither needed nor
1b6c0831
L		 3065# desired. We can't even use the same cache file for all build-side
3066# libraries, as they're compiled differently; some with C, some with
3067# C++ or with different feature-enabling options.
3068build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
91e060aa 3069
ae831be5
NN		 3070# For host modules, accept cache file option, or specification as blank.
3071case "${cache_file}" in
3072"") # empty
3073 cache_file_option="" ;;
a0da8069 3074/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 3075 cache_file_option="--cache-file=${cache_file}" ;;
3076*) # relative path
3077 cache_file_option="--cache-file=../${cache_file}" ;;
3078esac
3079
82252c06
NN		 3080# Host dirs don't like to share a cache file either, horribly enough.
3081# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 3082host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 3083
65b4571a 3084target_configargs="$target_configargs ${tbaseargs}"
49b7683b 3085
252b5132
RH		 3086# Passing a --with-cross-host argument lets the target libraries know
3087# whether they are being built with a cross-compiler or being built
3088# native. However, it would be better to use other mechanisms to make the
3089# sorts of decisions they want to make on this basis. Please consider
3090# this option to be deprecated. FIXME.
a0c4f3a0 3091if test x${is_cross_compiler} = xyes ; then
c6b750e1 3092 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 3093fi
3094
afc0578d 3095# Special user-friendly check for native x86_64-linux build, if
3096# multilib is not explicitly enabled.
3097case "$target:$have_compiler:$host:$target:$enable_multilib" in
3098 x86_64-*linux*:yes:$build:$build:)
ce6c656d 3099 # Make sure we have a development environment that handles 32-bit
afc0578d 3100 dev64=no
3101 echo "int main () { return 0; }" > conftest.c
3102 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3103 if test $? = 0 ; then
3104 if test -s conftest || test -s conftest.exe ; then
3105 dev64=yes
3106 fi
3107 fi
3108 rm -f conftest*
3109 if test x${dev64} != xyes ; then
ce6c656d 3110 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 3111 fi
3112 ;;
3113esac
3114
938d2b74
RW		 3115# Default to --enable-multilib.
3116if test x${enable_multilib} = x ; then
a0da8069 3117 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 3118fi
252b5132
RH		 3119
3120# Pass --with-newlib if appropriate. Note that target_configdirs has
3121# changed from the earlier setting of with_newlib.
a0c4f3a0 3122if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 3123 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 3124fi
3125
95036d20
NN		 3126# Different target subdirs use different values of certain variables
3127# (notably CXX). Worse, multilibs use *lots* of different values.
3128# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3129# it doesn't automatically accept command-line overrides of them.
3130# This means it's not safe for target subdirs to share a cache file,
3131# which is disgusting, but there you have it. Hopefully this can be
3132# fixed in future. It's still worthwhile to use a cache file for each
3133# directory. I think.
3134
ae380b45
MS		 3135# Pass the appropriate --build, --host, --target and --cache-file arguments.
3136# We need to pass --target, as newer autoconf's requires consistency
3137# for target_alias and gcc doesn't manage it consistently.
4b900473 3138target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 3139
9e449d3e 3140FLAGS_FOR_TARGET=
7c1f909c 3141case " $target_configdirs " in
75205f78 3142 *" newlib "*)
a0da8069 3143 case " $target_configargs " in
75205f78 3144 *" --with-newlib "*)
9e449d3e 3145 case "$target" in
1f53ca9a 3146 *-cygwin*)
6d94c122 3147 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 3148 ;;
9e449d3e
AO		 3149 esac
3150
7450026c 3151 # If we're not building GCC, don't discard standard headers.
4d5fd396 3152 if test -d ${srcdir}/gcc; then
63266560 3153 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 3154
3155 if test "${build}" != "${host}"; then
3156 # On Canadian crosses, CC_FOR_TARGET will have already been set
3157 # by `configure', so we won't have an opportunity to add -Bgcc/
3158 # to it. This is right: we don't want to search that directory
3159 # for binaries, but we want the header files in there, so add
3160 # them explicitly.
e552509b 3161 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 3162
3163 # Someone might think of using the pre-installed headers on
3164 # Canadian crosses, in case the installed compiler is not fully
3165 # compatible with the compiler being built. In this case, it
3166 # would be better to flag an error than risking having
3167 # incompatible object files being constructed. We can't
3168 # guarantee that an error will be flagged, but let's hope the
3169 # compiler will do it, when presented with incompatible header
3170 # files.
3171 fi
63266560
DD		 3172 fi
3173
0a0d0041 3174 case "${target}-${is_cross_compiler}" in
ec11bdc6 3175 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3176 # Here host == target, so we don't need to build gcc,
3177 # so we don't want to discard standard headers.
3178 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3179 ;;
3180 *)
3181 # If we're building newlib, use its generic headers last, but search
3182 # for any libc-related directories first (so make it the last -B
3183 # switch).
3184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3185
3186 # If we're building libgloss, find the startup file, simulator library
3187 # and linker script.
3188 case " $target_configdirs " in
3189 *" libgloss "*)
3190 # Look for startup file, simulator library and maybe linker script.
3191 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3192 # Look for libnosys.a in case the target needs it.
3193 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3194 # Most targets have the linker script in the source directory.
3195 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3196 ;;
3197 esac
0a0d0041
TF		 3198 ;;
3199 esac
9e449d3e 3200 ;;
75205f78
DD		 3201 esac
3202 ;;
9e449d3e 3203esac
1f53ca9a 3204
45055374 3205case "$target" in
1f53ca9a
AO		 3206 x86_64-*mingw* | *-w64-mingw*)
3207 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3208 # however, use a symlink named 'mingw' in ${prefix} .
3209 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3210 ;;
3211 *-mingw*)
3212 # MinGW can't be handled as Cygwin above since it does not use newlib.
3213 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3214 ;;
45055374 3215esac
63266560 3216
5fbad20a
DD		 3217# Allow the user to override the flags for
3218# our build compiler if desired.
c66487f8
NC		 3219if test x"${build}" = x"${host}" ; then
3220 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3221 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3222 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3223fi
5fbad20a 3224
63266560
DD		 3225# On Canadian crosses, we'll be searching the right directories for
3226# the previously-installed cross compiler, so don't bother to add
3227# flags for directories within the install tree of the compiler
3228# being built; programs in there won't even run.
4d5fd396 3229if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3230 # Search for pre-installed headers if nothing else fits.
bba45b8b 3231 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3232fi
63266560 3233
7c1f909c 3234if test "x${use_gnu_ld}" = x &&
f48556b1 3235 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3236 # Arrange for us to find uninstalled linker scripts.
b00612cc 3237 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3238fi
3239
a481dbb7
DD		 3240# Search for other target-specific linker scripts and such.
3241case "${target}" in
4e206d7e
DB		 3242 mep*)
3243 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3244 ;;
3245esac
3246
a0da8069 3247# Makefile fragments.
3e707e94
PB		 3248for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3249do
3250 eval fragval=\$$frag
3251 if test $fragval != /dev/null; then
3252 eval $frag=${srcdir}/$fragval
3253 fi
3254done
a0da8069
NN		 3255AC_SUBST_FILE(host_makefile_frag)
3256AC_SUBST_FILE(target_makefile_frag)
3257AC_SUBST_FILE(alphaieee_frag)
3258AC_SUBST_FILE(ospace_frag)
3259
3260# Miscellanea: directories, flags, etc.
a0da8069 3261AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3262AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3263AC_SUBST(tooldir)
3264AC_SUBST(build_tooldir)
907be67c 3265AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3266AC_SUBST(GDB_TK)
907be67c 3267AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3268
3269# Build module lists & subconfigure args.
a0da8069 3270AC_SUBST(build_configargs)
6a9cf61e 3271AC_SUBST(build_configdirs)
a0da8069
NN		 3272
3273# Host module lists & subconfigure args.
3274AC_SUBST(host_configargs)
3275AC_SUBST(configdirs)
911e63d0 3276AC_SUBST(target_configdirs)
a0da8069
NN		 3277
3278# Target module lists & subconfigure args.
a0da8069 3279AC_SUBST(target_configargs)
a6df5a19 3280
a0da8069
NN		 3281
3282# Build tools.
b5714970
PB		 3283AC_SUBST(AR_FOR_BUILD)
3284AC_SUBST(AS_FOR_BUILD)
a0da8069 3285AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3286AC_SUBST(CFLAGS_FOR_BUILD)
3287AC_SUBST(CXXFLAGS_FOR_BUILD)
3288AC_SUBST(CXX_FOR_BUILD)
3289AC_SUBST(DLLTOOL_FOR_BUILD)
b5714970 3290AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3291AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3292AC_SUBST(LDFLAGS_FOR_BUILD)
3293AC_SUBST(LD_FOR_BUILD)
3294AC_SUBST(NM_FOR_BUILD)
3295AC_SUBST(RANLIB_FOR_BUILD)
3296AC_SUBST(WINDMC_FOR_BUILD)
3297AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3298
be01d343
PB		 3299# Generate default definitions for YACC, M4, LEX and other programs that run
3300# on the build machine. These are used if the Makefile can't locate these
3301# programs in objdir.
3302MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3303
3304AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3305case " $build_configdirs " in
3306 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3307esac
3308
3309AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3310case " $build_configdirs " in
3311 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3312esac
3313
3314AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3315case " $build_configdirs " in
3316 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3317esac
3318
3319AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3320case " $build_configdirs " in
3321 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3322 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3323esac
3324
3325AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3326case " $build_configdirs " in
3327 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3328esac
3329
3330AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3331case " $build_configdirs " in
3332 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3333 *)
3334changequote(,)
10ad8ef3 3335 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3336 # higher, else we use the "missing" dummy.
3337 if ${MAKEINFO} --version \
10ad8ef3 3338 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3339 :
3340 else
3341 MAKEINFO="$MISSING makeinfo"
3342 fi
3343 ;;
3344changequote([,])
3345esac
3346
3347# FIXME: expect and dejagnu may become build tools?
3348
3349AC_CHECK_PROGS(EXPECT, expect, expect)
3350case " $configdirs " in
3351 *" expect "*)
3352 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3353 ;;
3354esac
3355
3356AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3357case " $configdirs " in
3358 *" dejagnu "*)
6b89cc21 3359 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3360 ;;
3361esac
3362
3363
a0da8069 3364# Host tools.
05cbd757
PB		 3365NCN_STRICT_CHECK_TOOLS(AR, ar)
3366NCN_STRICT_CHECK_TOOLS(AS, as)
3367NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3368NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3369NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3370NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3371NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3372NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3373NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3374NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3375NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3376NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3377NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3378AC_SUBST(CC)
3379AC_SUBST(CXX)
3380AC_SUBST(CFLAGS)
3381AC_SUBST(CXXFLAGS)
a0da8069 3382
be01d343 3383# Target tools.
7ec59b9e 3384AC_ARG_WITH([build-time-tools],
7837304f
AS		 3385 [AS_HELP_STRING([--with-build-time-tools=PATH],
3386 [use given path to find target tools during the build])],
2429c060
PB		 3387 [case x"$withval" in
3388 x/*) ;;
3389 *)
3390 with_build_time_tools=
3391 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3392 ;;
3393 esac],
3394 [with_build_time_tools=])
3395
05cbd757
PB		 3396NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3397NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757 3398NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
05cbd757 3399NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3400NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3401
3402ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3403ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3404ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3405ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3406ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3407ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3408ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3409ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3410ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3411ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3412ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3413ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3414ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3415
be01d343
PB		 3416RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3417
3418GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3419GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3420GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3421dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3422GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3423 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3424 c++)
3425GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3426 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3427 c++)
3428GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3429GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
be01d343
PB		 3430GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3431 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3432GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3433 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3434GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3435GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3436GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
1b6c0831 3437GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
be01d343
PB		 3438GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3439GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3440GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3441GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3442GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3443GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3444
be01d343 3445AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3446AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3447
a0da8069
NN		 3448# Certain tools may need extra flags.
3449AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3450RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3451NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3452
be01d343
PB		 3453# When building target libraries, except in a Canadian cross, we use
3454# the same toolchain as the compiler we just built.
3455COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3456COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3457COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3458if test $host = $build; then
3459 case " $configdirs " in
3460 *" gcc "*)
3461 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3462 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3463 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3464 ;;
3465 esac
3466fi
3467
3468AC_SUBST(COMPILER_AS_FOR_TARGET)
3469AC_SUBST(COMPILER_LD_FOR_TARGET)
3470AC_SUBST(COMPILER_NM_FOR_TARGET)
3471
6b784d9f
AO		 3472AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3473AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3474[AS_HELP_STRING([--enable-maintainer-mode],
3475 [enable make rules and dependencies not useful
3476 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3477 USE_MAINTAINER_MODE=$enableval,
3478 USE_MAINTAINER_MODE=no)
3479AC_MSG_RESULT($USE_MAINTAINER_MODE)
3480AC_SUBST(MAINTAINER_MODE_TRUE)
3481AC_SUBST(MAINTAINER_MODE_FALSE)
3482if test "$USE_MAINTAINER_MODE" = yes; then
3483 MAINTAINER_MODE_TRUE=
3484 MAINTAINER_MODE_FALSE='#'
3485else
3486 MAINTAINER_MODE_TRUE='#'
3487 MAINTAINER_MODE_FALSE=
7ec59b9e 3488fi
6b784d9f
AO		 3489MAINT=$MAINTAINER_MODE_TRUE
3490AC_SUBST(MAINT)dnl
3491
1d39f329
NN		 3492# ---------------------
3493# GCC bootstrap support
3494# ---------------------
3495
3496# Stage specific cflags for build.
3497stage1_cflags="-g"
3498case $build in
3499 vax-*-*)
3500 case ${GCC} in
3501 yes) stage1_cflags="-g -Wa,-J" ;;
3502 *) stage1_cflags="-g -J" ;;
3503 esac ;;
1d39f329 3504esac
1d89b610 3505
1d39f329
NN		 3506AC_SUBST(stage1_cflags)
3507
8a0d8a5c
PB		 3508# Enable --enable-checking in stage1 of the compiler.
3509AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3510[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3511 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3512[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3513[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
ce6c656d
L		 3514 # For --disable-checking or implicit --enable-checking=release, avoid
3515 # setting --enable-checking=gc in the default stage1 checking for LTO
3516 # bootstraps. See PR62077.
ce6c656d
L		 3517 case $BUILD_CONFIG in
3518 *lto*)
05a13254
NC		 3519 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3520 *)
3521 stage1_checking=--enable-checking=yes,types;;
ce6c656d 3522 esac
05a13254
NC		 3523 if test "x$enable_checking" = x && \
3524 test -d ${srcdir}/gcc && \
3525 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3526 stage1_checking=--enable-checking=yes,types,extra
3527 fi
8a0d8a5c 3528else
5566c1fa 3529 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3530fi])
3531AC_SUBST(stage1_checking)
3532
1d39f329 3533# Enable -Werror in bootstrap stage2 and later.
1d39f329 3534AC_ARG_ENABLE(werror,
7837304f 3535[AS_HELP_STRING([--enable-werror],
bf41f30d
NC		 3536 [enable -Werror in bootstrap stage2 and later])],
3537[
1a6f2dc7
NN		 3538case ${enable_werror} in
3539 yes) stage2_werror_flag="--enable-werror-always" ;;
3540 *) stage2_werror_flag="" ;;
1d39f329 3541esac
bf41f30d
NC		 3542],
3543[
3544if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3545 case $BUILD_CONFIG in
3546 bootstrap-debug)
3547 stage2_werror_flag="--enable-werror-always" ;;
3548 "")
3549 stage2_werror_flag="--enable-werror-always" ;;
1b6c0831
L		 3550 esac
3551fi
bf41f30d
NC		 3552])
3553
3554AC_SUBST(stage2_werror_flag)
1b6c0831 3555
e8a5fa9c
RW		 3556# Specify what files to not compare during bootstrap.
3557
3558compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3559case "$target" in
3560 hppa*64*-*-hpux*) ;;
bf41f30d 3561 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
1488e230 3562 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3563esac
3564AC_SUBST(compare_exclusions)
3565
06a51eac
RW		 3566AC_CONFIG_FILES([Makefile],
3567 [sed "$extrasub_build" Makefile |
3568 sed "$extrasub_host" |
3569 sed "$extrasub_target" > mf$$
3570 mv -f mf$$ Makefile],
3571 [extrasub_build="$extrasub_build"
3572 extrasub_host="$extrasub_host"
3573 extrasub_target="$extrasub_target"])
3574AC_OUTPUT
A mirror of the official binutils-gdb repository