]> Git Repo - binutils.git/blame - configure.ac
projects / binutils.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[PowerPC] Don't zero-initialize vector register buffers
[binutils.git] / configure.ac
CommitLineData
92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
1b6c0831 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
bf41f30d 3# 2014, 2015, 2016 Free Software Foundation, Inc.
252b5132
RH		 4#
5# This file is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
7ec59b9e 31m4_include([config/isl.m4])
656fdd47 32
a0da8069 33AC_INIT(move-if-change)
34a0f3cf 34AC_DISABLE_OPTION_CHECKING
c6b750e1 35
5b553f7e
RW		 36progname=$0
37# if PWD already has a value, it is probably wrong.
38if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
39
40# Export original configure arguments for use by sub-configures.
41# Quote arguments with shell meta charatcers.
42TOPLEVEL_CONFIGURE_ARGUMENTS=
43set -- "$progname" "$@"
44for ac_arg
45do
46 case "$ac_arg" in
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
51 *) ;;
52 esac
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
55done
56if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
58fi
59# Remove the initial space we just introduced and, as these will be
60# expanded by make, quote '$'.
61TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
63
c6b750e1
DJ		 64# Find the build, host, and target systems.
65ACX_NONCANONICAL_BUILD
66ACX_NONCANONICAL_HOST
67ACX_NONCANONICAL_TARGET
68
69dnl Autoconf 2.5x and later will set a default program prefix if
70dnl --target was used, even if it was the same as --host. Disable
71dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
72dnl to take effect.
73test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
75 NONENONEs,x,x, &&
76 program_transform_name=s,y,y,
77
a0da8069
NN		 78AC_CANONICAL_SYSTEM
79AC_ARG_PROGRAM
80
c6b750e1 81m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 82m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 83
e5c3f801
NN		 84# Get 'install' or 'install-sh' and its variants.
85AC_PROG_INSTALL
656fdd47 86ACX_PROG_LN
dfdffa2c 87AC_PROG_LN_S
8e957354
PB		 88AC_PROG_SED
89AC_PROG_AWK
e5c3f801 90
0fdbe983
DJ		 91srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
92
93# We pass INSTALL explicitly to sub-makes. Make sure that it is not
94# a relative path.
95if test "$INSTALL" = "${srcdir}/install-sh -c"; then
96 INSTALL="${srcpwd}/install-sh -c"
97fi
98
a0da8069
NN		 99# Set srcdir to "." if that's what it is.
100# This is important for multilib support.
101pwd=`${PWDCMD-pwd}`
a0da8069
NN		 102if test "${pwd}" = "${srcpwd}" ; then
103 srcdir=.
104fi
105
106topsrcdir=$srcpwd
252b5132 107
ae831be5 108extra_host_args=
afefada0 109
252b5132
RH		 110### To add a new directory to the tree, first choose whether it is a target
111### or a host dependent tool. Then put it into the appropriate list
a2cc058a 112### (library or tools, host or target), doing a dependency sort.
252b5132 113
7ec59b9e 114# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 115# configdirs, or target_configdirs; see the serialization section below.
116
7ec59b9e
L		 117# Dependency sorting is only needed when *configuration* must be done in
118# a particular order. In all cases a dependency should be specified in
a2cc058a
NN		 119# the Makefile, whether or not it's implicitly specified here.
120
121# Double entries in build_configdirs, configdirs, or target_configdirs may
122# cause circular dependencies and break everything horribly.
252b5132 123
6a9cf61e
PB		 124# these library is used by various programs built for the build
125# environment
126#
1b6c0831 127build_libs="build-libiberty build-libcpp"
6a9cf61e
PB		 128
129# these tools are built for the build environment
a90ef4bf 130build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 131
252b5132 132# these libraries are used by various programs built for the host environment
1b6c0831
L		 133#f
134host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
252b5132 135
252b5132
RH		 136# these tools are built for the host environment
137# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
138# know that we are building the simulator.
2af579c4
NN		 139# binutils, gas and ld appear in that order because it makes sense to run
140# "make check" in that particular order.
e6de499b 141# If --enable-gold is used, "gold" may replace "ld".
1b6c0831 142host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
75205f78 143
252b5132
RH		 144# these libraries are built for the target environment, and are built after
145# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 146# Note that libiberty is not a target library.
b1299c4e 147target_libraries="target-libgcc \
2bf680c4 148 target-libbacktrace \
252b5132
RH		 149 target-libgloss \
150 target-newlib \
cff87f51 151 target-libgomp \
1b6c0831 152 target-liboffloadmic \
bf41f30d 153 target-libhsail-rt \
7ec59b9e 154 target-libatomic \
d32e2926 155 target-libitm \
b9459e83 156 target-libstdc++-v3 \
5286fdef 157 target-libsanitizer \
95e43135 158 target-libvtv \
bb780410 159 target-libssp \
e552509b 160 target-libquadmath \
4b1cb4fe 161 target-libgfortran \
05a13254 162 target-libffi \
a2592b1b 163 target-libobjc \
e552509b
ILT		 164 target-libada \
165 target-libgo"
252b5132 166
9c14acb8
NN		 167# these tools are built using the target libraries, and are intended to
168# run only in the target environment
252b5132 169#
9c14acb8 170# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 171# list belongs in this list.
252b5132 172#
a90ef4bf 173target_tools="target-rda"
252b5132
RH		 174
175################################################################################
176
252b5132
RH		 177## All tools belong in one of the four categories, and are assigned above
178## We assign ${configdirs} this way to remove all embedded newlines. This
179## is important because configure will choke if they ever get through.
180## ${configdirs} is directories we build using the host tools.
181## ${target_configdirs} is directories we build using the target tools.
252b5132 182configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 183target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 184build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 185
9cc8ae67 186m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 187[case $srcdir in
188 *" "*)
189m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
190 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
191m4_popdef([AS_MESSAGE_LOG_FD])dnl
192 ;;
193esac
194ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 195])
196
252b5132
RH		 197################################################################################
198
252b5132
RH		 199srcname="gnu development package"
200
201# This gets set non-empty for some net releases of packages.
202appdirs=""
203
c712250a
DD		 204# Define is_cross_compiler to save on calls to 'test'.
205is_cross_compiler=
206if test x"${host}" = x"${target}" ; then
207 is_cross_compiler=no
208else
209 is_cross_compiler=yes
7ec59b9e 210fi
c712250a 211
9175bfc0 212# Find the build and target subdir names.
dd12c3a8 213GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 214# Be sure to cover against remnants of an in-tree build.
215if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
216 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
217Use a pristine source tree when building in a separate tree])
218fi
252b5132 219
f48556b1
DD		 220# Skipdirs are removed silently.
221skipdirs=
222# Noconfigdirs are removed loudly.
223noconfigdirs=""
252b5132 224
f48556b1
DD		 225use_gnu_ld=
226# Make sure we don't let GNU ld be added if we didn't want it.
227if test x$with_gnu_ld = xno ; then
228 use_gnu_ld=no
93f9b408 229 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 230fi
231
f48556b1
DD		 232use_gnu_as=
233# Make sure we don't let GNU as be added if we didn't want it.
234if test x$with_gnu_as = xno ; then
235 use_gnu_as=no
236 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 237fi
238
700d40ca 239use_included_zlib=
cf39cfc5
L		 240AC_ARG_WITH(system-zlib,
241[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
700d40ca
ILT		 242# Make sure we don't let ZLIB be added if we didn't want it.
243if test x$with_system_zlib = xyes ; then
244 use_included_zlib=no
245 noconfigdirs="$noconfigdirs zlib"
246fi
247
7ec59b9e 248# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 249# it's not even worth trying to configure, much less build, that tool.
252b5132 250
f48556b1
DD		 251case ${with_x} in
252 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 253 no)
675c6968 254 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 255 # We won't be able to build gdbtk without X.
7ec59b9e 256 enable_gdbtk=no
ff0a3bf8 257 ;;
f48556b1
DD		 258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
259esac
252b5132 260
0377a422 261# Some are only suitable for cross toolchains.
405ea7a0
NN		 262# Remove these if host=target.
263cross_only="target-libgloss target-newlib target-opcodes"
252b5132 264
f48556b1
DD		 265case $is_cross_compiler in
266 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 267esac
252b5132 268
a32d391c
DD		 269# If both --with-headers and --with-libs are specified, default to
270# --without-newlib.
32be62b5
RS		 271if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 273 if test x"${with_newlib}" = x ; then
274 with_newlib=no
275 fi
276fi
277
278# Recognize --with-newlib/--without-newlib.
279case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
282esac
283
1b6c0831
L		 284AC_ARG_ENABLE(as-accelerator-for,
285[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
286 [build as offload target compiler.
287 Specify offload host triple by ARG])])
288
289AC_ARG_ENABLE(offload-targets,
290[AS_HELP_STRING([--enable-offload-targets=LIST],
291 [enable offloading to devices from comma-separated LIST of
292 TARGET[=DIR]. Use optional path to find offload target compiler
293 during the build])],
294[
295 if test x"$enable_offload_targets" = x; then
296 AC_MSG_ERROR([no offload targets specified])
297 fi
298], [enable_offload_targets=])
299
c7791212
NC		 300# Handle --enable-gold, --enable-ld.
301# --disable-gold [--enable-ld]
302# Build only ld. Default option.
d3b50760
L		 303# --enable-gold [--enable-ld]
304# Build both gold and ld. Install gold as "ld.gold", install ld
305# as "ld.bfd" and "ld".
306# --enable-gold=default [--enable-ld]
c7791212
NC		 307# Build both gold and ld. Install gold as "ld.gold" and "ld",
308# install ld as "ld.bfd".
309# --enable-gold[=default] --disable-ld
310# Build only gold, which is then installed as both "ld.gold" and "ld".
311# --enable-gold --enable-ld=default
d3b50760
L		 312# Build both gold (installed as "ld.gold") and ld (installed as "ld"
313# and ld.bfd).
c7791212
NC		 314# In other words, ld is default
315# --enable-gold=default --enable-ld=default
316# Error.
317
318default_ld=
93f9b408 319AC_ARG_ENABLE(gold,
7837304f
AS		 320[AS_HELP_STRING([[--enable-gold[=ARG]]],
321 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 322ENABLE_GOLD=$enableval,
323ENABLE_GOLD=no)
c7791212
NC		 324case "${ENABLE_GOLD}" in
325 yes|default)
e6de499b
NC		 326 # Check for ELF target.
327 is_elf=no
328 case "${target}" in
329 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 330 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 331 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
bf41f30d 332 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 333 case "${target}" in
334 *-*-linux*aout* | *-*-linux*oldld*)
335 ;;
336 *)
337 is_elf=yes
338 ;;
339 esac
340 esac
341
342 if test "$is_elf" = "yes"; then
343 # Check for target supported by gold.
93f9b408 344 case "${target}" in
6d26190c 345 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
ea016470 346 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
c7791212
NC		 347 configdirs="$configdirs gold"
348 if test x${ENABLE_GOLD} = xdefault; then
349 default_ld=gold
350 fi
e6de499b 351 ENABLE_GOLD=yes
93f9b408
ILT		 352 ;;
353 esac
e6de499b
NC		 354 fi
355 ;;
356 no)
357 ;;
358 *)
359 AC_MSG_ERROR([invalid --enable-gold argument])
360 ;;
c7791212
NC		 361esac
362
363AC_ARG_ENABLE(ld,
7837304f
AS		 364[AS_HELP_STRING([[--enable-ld[=ARG]]],
365 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 366ENABLE_LD=$enableval,
367ENABLE_LD=yes)
368
369case "${ENABLE_LD}" in
370 default)
d3b50760 371 if test x${default_ld} != x; then
c7791212
NC		 372 AC_MSG_ERROR([either gold or ld can be the default ld])
373 fi
374 ;;
375 yes)
376 ;;
377 no)
378 if test x${ENABLE_GOLD} != xyes; then
379 AC_MSG_WARN([neither ld nor gold are enabled])
380 fi
381 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
382 ;;
383 *)
384 AC_MSG_ERROR([invalid --enable-ld argument])
385 ;;
386esac
93f9b408 387
edeefb67
L		 388# PR gas/19109
389# Decide the default method for compressing debug sections.
390# Provide a configure time option to override our default.
391AC_ARG_ENABLE(compressed_debug_sections,
6c3bc0f8 392[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
edeefb67
L		 393 [Enable compressed debug sections for gas, gold or ld by
394 default])],
395[
396 if test x"$enable_compressed_debug_sections" = xyes; then
397 AC_MSG_ERROR([no program with compressed debug sections specified])
398 fi
399], [enable_compressed_debug_sections=])
400
252b5132
RH		 401# Configure extra directories which are host specific
402
403case "${host}" in
f48556b1 404 *-cygwin*)
3866be5d 405 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 406esac
407
59f7ec45
HPN		 408# A target can indicate whether a language isn't supported for some reason.
409# Only spaces may be used in this macro; not newlines or tabs.
410unsupported_languages=
411
7ec59b9e 412# Remove more programs from consideration, based on the host or
252b5132
RH		 413# target this usually means that a port of the program doesn't
414# exist yet.
415
252b5132 416case "${host}" in
3516a403 417 i[[3456789]]86-*-msdosdjgpp*)
6a608608 418 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 419 ;;
252b5132
RH		 420esac
421
4b1cb4fe 422
89a1e9c3
PB		 423AC_ARG_ENABLE(libquadmath,
424AS_HELP_STRING([--disable-libquadmath],
425 [do not build libquadmath directory]),
426ENABLE_LIBQUADMATH=$enableval,
427ENABLE_LIBQUADMATH=yes)
428if test "${ENABLE_LIBQUADMATH}" = "no" ; then
429 noconfigdirs="$noconfigdirs target-libquadmath"
430fi
431
432
433AC_ARG_ENABLE(libquadmath-support,
434AS_HELP_STRING([--disable-libquadmath-support],
435 [disable libquadmath support for Fortran]),
436ENABLE_LIBQUADMATH_SUPPORT=$enableval,
437ENABLE_LIBQUADMATH_SUPPORT=yes)
438enable_libquadmath_support=
439if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
440 enable_libquadmath_support=no
441fi
442
443
a2592b1b 444AC_ARG_ENABLE(libada,
7837304f 445[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 446ENABLE_LIBADA=$enableval,
447ENABLE_LIBADA=yes)
448if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 449 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 450fi
451
5f128533 452AC_ARG_ENABLE(libssp,
7837304f 453[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 454ENABLE_LIBSSP=$enableval,
455ENABLE_LIBSSP=yes)
5f128533 456
f66a9a70
L		 457AC_ARG_ENABLE(libstdcxx,
458AS_HELP_STRING([--disable-libstdcxx],
459 [do not build libstdc++-v3 directory]),
460ENABLE_LIBSTDCXX=$enableval,
461ENABLE_LIBSTDCXX=default)
462[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1b6c0831 463 noconfigdirs="$noconfigdirs target-libstdc++-v3"
f66a9a70
L		 464fi]
465
1b6c0831
L		 466# If this is accelerator compiler and its target is intelmic we enable
467# target liboffloadmic by default. If this is compiler with offloading
468# for intelmic we enable host liboffloadmic by default. Otherwise
469# liboffloadmic is disabled by default.
470AC_ARG_ENABLE([liboffloadmic],
471AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
472 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
473[case "$enableval" in
474 no | host | target)
475 enable_liboffloadmic=$enableval ;;
476 *)
477 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
478esac],
479[if test x"$enable_as_accelerator_for" != x; then
480 case "${target}" in
481 *-intelmic-* | *-intelmicemul-*)
482 enable_liboffloadmic=target
483 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
484 ;;
485 *)
486 enable_liboffloadmic=no
487 ;;
488 esac
489else
490 case "${enable_offload_targets}" in
491 *-intelmic-* | *-intelmicemul-*)
492 enable_liboffloadmic=host
493 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
494 ;;
495 *)
496 enable_liboffloadmic=no
497 ;;
498 esac
499fi])
500AC_SUBST(extra_liboffloadmic_configure_flags)
501
68996839 502# Enable libgomp by default on hosted POSIX systems, and a few others.
a6df5a19 503if test x$enable_libgomp = x ; then
b3ded179 504 case "${target}" in
29383458 505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 506 ;;
5b806d27 507 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 508 ;;
2479f722 509 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 510 ;;
511 *-*-darwin* | *-*-aix*)
512 ;;
68996839
NC		 513 nvptx*-*-*)
514 ;;
b3ded179
PB		 515 *)
516 noconfigdirs="$noconfigdirs target-libgomp"
517 ;;
518 esac
a6df5a19 519fi
b3ded179 520
7ec59b9e
L		 521# Disable libatomic on unsupported systems.
522if test -d ${srcdir}/libatomic; then
523 if test x$enable_libatomic = x; then
524 AC_MSG_CHECKING([for libatomic support])
525 if (srcdir=${srcdir}/libatomic; \
526 . ${srcdir}/configure.tgt; \
527 test -n "$UNSUPPORTED")
528 then
529 AC_MSG_RESULT([no])
530 noconfigdirs="$noconfigdirs target-libatomic"
531 else
532 AC_MSG_RESULT([yes])
533 fi
534 fi
535fi
536
1b6c0831
L		 537# Disable liboffloadmic on unsupported systems.
538if test -d ${srcdir}/liboffloadmic; then
539 if test x$enable_liboffloadmic != xno; then
540 AC_MSG_CHECKING([for liboffloadmic support])
541 if (srcdir=${srcdir}/liboffloadmic; \
542 . ${srcdir}/configure.tgt; \
543 test -n "$UNSUPPORTED")
544 then
545 AC_MSG_RESULT([no])
546 noconfigdirs="$noconfigdirs target-liboffloadmic"
547 else
548 AC_MSG_RESULT([yes])
549 fi
550 fi
551fi
552
d32e2926
RH		 553# Disable libitm on unsupported systems.
554if test -d ${srcdir}/libitm; then
555 if test x$enable_libitm = x; then
556 AC_MSG_CHECKING([for libitm support])
557 if (srcdir=${srcdir}/libitm; \
558 . ${srcdir}/configure.tgt; \
559 test -n "$UNSUPPORTED")
560 then
561 AC_MSG_RESULT([no])
562 noconfigdirs="$noconfigdirs target-libitm"
563 else
564 AC_MSG_RESULT([yes])
565 fi
566 fi
567fi
568
5286fdef
L		 569# Disable libsanitizer on unsupported systems.
570if test -d ${srcdir}/libsanitizer; then
571 if test x$enable_libsanitizer = x; then
572 AC_MSG_CHECKING([for libsanitizer support])
573 if (srcdir=${srcdir}/libsanitizer; \
574 . ${srcdir}/configure.tgt; \
575 test -n "$UNSUPPORTED")
576 then
577 AC_MSG_RESULT([no])
578 noconfigdirs="$noconfigdirs target-libsanitizer"
579 else
580 AC_MSG_RESULT([yes])
581 fi
582 fi
583fi
584
95e43135
JBG		 585# Disable libvtv on unsupported systems.
586if test -d ${srcdir}/libvtv; then
587 if test x$enable_libvtv = x; then
588 AC_MSG_CHECKING([for libvtv support])
589 if (srcdir=${srcdir}/libvtv; \
590 . ${srcdir}/configure.tgt; \
591 test "$VTV_SUPPORTED" != "yes")
592 then
593 AC_MSG_RESULT([no])
594 noconfigdirs="$noconfigdirs target-libvtv"
595 else
596 AC_MSG_RESULT([yes])
597 fi
598 fi
599fi
600
1b6c0831 601
bf41f30d
NC		 602# Disable libhsail-rt on unsupported systems.
603if test -d ${srcdir}/libhsail-rt; then
604 if test x$enable_libhsail_rt = x; then
605 AC_MSG_CHECKING([for libhsail-rt support])
606 if (srcdir=${srcdir}/libhsail-rt; \
607 . ${srcdir}/configure.tgt; \
608 test -n "$UNSUPPORTED")
609 then
610 AC_MSG_RESULT([no])
611 unsupported_languages="$unsupported_languages brig"
612 # This implicitly disables also target-libhsail-rt as it won't
613 # get added to the build without BRIG FE.
614 else
615 AC_MSG_RESULT([yes])
616 fi
617 fi
618fi
1b6c0831
L		 619
620
1488e230
DE		 621# Disable libquadmath for some systems.
622case "${target}" in
5286fdef
L		 623 avr-*-*)
624 noconfigdirs="$noconfigdirs target-libquadmath"
625 ;;
1488e230
DE		 626 # libquadmath is unused on AIX and libquadmath build process use of
627 # LD_LIBRARY_PATH can break AIX bootstrap.
628 powerpc-*-aix* | rs6000-*-aix*)
629 noconfigdirs="$noconfigdirs target-libquadmath"
630 ;;
631esac
632
065a5627
JM		 633# Disable libssp for some systems.
634case "${target}" in
635 avr-*-*)
c5f5c3c2 636 # No hosted I/O support.
065a5627
JM		 637 noconfigdirs="$noconfigdirs target-libssp"
638 ;;
639 powerpc-*-aix* | rs6000-*-aix*)
640 noconfigdirs="$noconfigdirs target-libssp"
641 ;;
99c513f6 642 rl78-*-*)
202e2356
NC		 643 # libssp uses a misaligned load to trigger a fault, but the RL78
644 # doesn't fault for those - instead, it gives a build-time error
645 # for explicit misaligned loads.
99c513f6
DD		 646 noconfigdirs="$noconfigdirs target-libssp"
647 ;;
1b6c0831
L		 648 visium-*-*)
649 # No hosted I/O support.
650 noconfigdirs="$noconfigdirs target-libssp"
651 ;;
065a5627
JM		 652esac
653
065a5627 654# Disable libstdc++-v3 for some systems.
f66a9a70
L		 655# Allow user to override this if they pass --enable-libstdc++-v3
656if test "${ENABLE_LIBSTDCXX}" = "default" ; then
657 case "${target}" in
658 *-*-vxworks*)
659 # VxWorks uses the Dinkumware C++ library.
660 noconfigdirs="$noconfigdirs target-libstdc++-v3"
661 ;;
662 arm*-wince-pe*)
663 # the C++ libraries don't build on top of CE's C libraries
664 noconfigdirs="$noconfigdirs target-libstdc++-v3"
665 ;;
666 avr-*-*)
667 noconfigdirs="$noconfigdirs target-libstdc++-v3"
668 ;;
969b1713
L		 669 ft32-*-*)
670 noconfigdirs="$noconfigdirs target-libstdc++-v3"
671 ;;
f66a9a70
L		 672 esac
673fi
065a5627
JM		 674
675# Disable Fortran for some systems.
676case "${target}" in
677 mmix-*-*)
678 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
679 unsupported_languages="$unsupported_languages fortran"
680 ;;
681esac
682
05a13254 683# Disable libffi for some systems.
0827f9a6 684case "${target}" in
9863d716
JM		 685 powerpc-*-darwin*)
686 ;;
687 i[[3456789]]86-*-darwin*)
688 ;;
689 x86_64-*-darwin[[912]]*)
690 ;;
691 *-*-darwin*)
05a13254 692 noconfigdirs="$noconfigdirs target-libffi"
9863d716 693 ;;
9863d716 694 *-*-netware*)
05a13254
NC		 695 noconfigdirs="$noconfigdirs target-libffi"
696 ;;
697 *-*-phoenix*)
698 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 699 ;;
700 *-*-rtems*)
05a13254 701 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 702 ;;
703 *-*-tpf*)
05a13254 704 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 705 ;;
706 *-*-uclinux*)
05a13254 707 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 708 ;;
709 *-*-vxworks*)
05a13254
NC		 710 noconfigdirs="$noconfigdirs target-libffi"
711 ;;
712 aarch64*-*-freebsd*)
713 noconfigdirs="$noconfigdirs target-libffi"
9863d716 714 ;;
9863d716 715 alpha*-*-*vms*)
05a13254 716 noconfigdirs="$noconfigdirs target-libffi"
9863d716 717 ;;
1b6c0831 718 arm*-*-freebsd*)
05a13254 719 noconfigdirs="$noconfigdirs target-libffi"
1b6c0831 720 ;;
0827f9a6 721 arm-wince-pe)
05a13254 722 noconfigdirs="$noconfigdirs target-libffi"
9863d716 723 ;;
9863d716 724 arm*-*-symbianelf*)
05a13254 725 noconfigdirs="$noconfigdirs target-libffi"
9863d716 726 ;;
9863d716 727 cris-*-* | crisv32-*-*)
9863d716
JM		 728 case "${target}" in
729 *-*-linux*)
730 ;;
731 *) # See PR46792 regarding target-libffi.
05a13254 732 noconfigdirs="$noconfigdirs target-libffi";;
9863d716
JM		 733 esac
734 ;;
82ae827f 735 hppa*64*-*-hpux*)
05a13254 736 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 737 ;;
738 hppa*-hp-hpux11*)
739 ;;
82ae827f 740 hppa*-*-hpux*)
05a13254 741 noconfigdirs="$noconfigdirs target-libffi"
9863d716 742 ;;
9863d716 743 ia64*-*-*vms*)
05a13254 744 noconfigdirs="$noconfigdirs target-libffi"
9863d716 745 ;;
9863d716 746 i[[3456789]]86-w64-mingw*)
05a13254 747 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 748 ;;
749 i[[3456789]]86-*-mingw*)
05a13254 750 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 751 ;;
752 x86_64-*-mingw*)
05a13254 753 noconfigdirs="$noconfigdirs target-libffi"
9863d716 754 ;;
9863d716 755 mmix-*-*)
05a13254 756 noconfigdirs="$noconfigdirs target-libffi"
9863d716
JM		 757 ;;
758 powerpc-*-aix*)
9863d716 759 ;;
9863d716 760 rs6000-*-aix*)
9863d716 761 ;;
3f8107ab 762 ft32-*-*)
05a13254 763 noconfigdirs="$noconfigdirs target-libffi"
3f8107ab 764 ;;
9863d716 765 *-*-lynxos*)
05a13254 766 noconfigdirs="$noconfigdirs target-libffi"
1b6c0831
L		 767 ;;
768esac
769
770# Disable the go frontend on systems where it is known to not work. Please keep
771# this in sync with contrib/config-list.mk.
772case "${target}" in
bf41f30d 773*-*-darwin* | *-*-cygwin* | *-*-mingw*)
1b6c0831
L		 774 unsupported_languages="$unsupported_languages go"
775 ;;
9863d716
JM		 776esac
777
a413f71a
ILT		 778# Disable libgo for some systems where it is known to not work.
779# For testing, you can easily override this with --enable-libgo.
780if test x$enable_libgo = x; then
781 case "${target}" in
782 *-*-darwin*)
783 # PR 46986
784 noconfigdirs="$noconfigdirs target-libgo"
785 ;;
786 *-*-cygwin* | *-*-mingw*)
787 noconfigdirs="$noconfigdirs target-libgo"
788 ;;
a413f71a
ILT		 789 esac
790fi
791
691bb5a1
DD		 792# Default libgloss CPU subdirectory.
793libgloss_dir="$target_cpu"
4b1cb4fe 794
ff46fb8f
JM		 795case "${target}" in
796 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
797 libgloss_dir=wince
798 ;;
f1dd87fc
YZ		 799 aarch64*-*-* )
800 libgloss_dir=aarch64
801 ;;
ff46fb8f
JM		 802 arm*-*-*)
803 libgloss_dir=arm
804 ;;
805 cris-*-* | crisv32-*-*)
806 libgloss_dir=cris
807 ;;
808 hppa*-*-*)
809 libgloss_dir=pa
810 ;;
811 i[[3456789]]86-*-*)
812 libgloss_dir=i386
813 ;;
814 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
815 libgloss_dir=m68hc11
816 ;;
817 m68*-*-* | fido-*-*)
818 libgloss_dir=m68k
819 ;;
820 mips*-*-*)
821 libgloss_dir=mips
822 ;;
823 powerpc*-*-*)
824 libgloss_dir=rs6000
825 ;;
826 sparc*-*-*)
827 libgloss_dir=sparc
828 ;;
829esac
830
c7e4b184 831# Disable newlib and libgloss for various target OSes.
252b5132 832case "${target}" in
c7e4b184
JM		 833 alpha*-dec-osf*)
834 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
835 ;;
836 i[[3456789]]86-*-linux*)
837 # This section makes it possible to build newlib natively on linux.
838 # If we are using a cross compiler then don't configure newlib.
839 if test x${is_cross_compiler} != xno ; then
840 noconfigdirs="$noconfigdirs target-newlib"
841 fi
842 noconfigdirs="$noconfigdirs target-libgloss"
843 # If we are not using a cross compiler, do configure newlib.
844 # Note however, that newlib will only be configured in this situation
845 # if the --with-newlib option has been given, because otherwise
846 # 'target-newlib' will appear in skipdirs.
847 ;;
848 i[[3456789]]86-*-rdos*)
849 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
850 ;;
851 sh*-*-pe|mips*-*-pe|arm-wince-pe)
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
853 ;;
854 sparc-*-sunos4*)
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
856 ;;
857 *-*-aix*)
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
859 ;;
860 *-*-beos*)
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
862 ;;
75205f78 863 *-*-chorusos)
b2f14e4a 864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 865 ;;
c7e4b184
JM		 866 *-*-dragonfly*)
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
868 ;;
869 *-*-freebsd*)
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 ;;
872 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 ;;
875 *-*-lynxos*)
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 877 ;;
c7e4b184
JM		 878 *-*-mingw*)
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
880 ;;
881 *-*-netbsd*)
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 ;;
884 *-*-netware*)
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
886 ;;
887 *-*-tpf*)
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
889 ;;
890 *-*-uclinux*)
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 ;;
893 *-*-vxworks*)
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 ;;
896esac
897
898case "${target}" in
899 *-*-chorusos)
900 ;;
f075eb5e
TG		 901 aarch64-*-darwin*)
902 noconfigdirs="$noconfigdirs ld gas gdb gprof"
903 noconfigdirs="$noconfigdirs sim target-rda"
904 ;;
905 arm-*-darwin*)
906 noconfigdirs="$noconfigdirs ld gas gdb gprof"
907 noconfigdirs="$noconfigdirs sim target-rda"
908 ;;
24741ab2 909 powerpc-*-darwin*)
9d39db92 910 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 911 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 912 ;;
85bd1942
TG		 913 i[[3456789]]86-*-darwin*)
914 noconfigdirs="$noconfigdirs ld gprof"
915 noconfigdirs="$noconfigdirs sim target-rda"
916 ;;
e8a5fa9c 917 x86_64-*-darwin[[912]]*)
652dec25
TG		 918 noconfigdirs="$noconfigdirs ld gas gprof"
919 noconfigdirs="$noconfigdirs sim target-rda"
920 ;;
04d1ab34 921 *-*-darwin*)
d320aacb 922 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 923 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 924 ;;
5b806d27 925 *-*-dragonfly*)
5b806d27 926 ;;
de0b4a87 927 *-*-freebsd*)
4b1cb4fe
DD		 928 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
929 && test -f /usr/local/include/gmp.h; then
930 with_gmp=/usr/local
931 fi
4b1cb4fe 932 ;;
f8a495c8
NC		 933 *-*-kaos*)
934 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 935 noconfigdirs="$noconfigdirs target-libgloss"
936 ;;
e82380cc 937 *-*-netbsd*)
e82380cc 938 ;;
2a3124ca 939 *-*-netware*)
252b5132 940 ;;
05a13254
NC		 941 *-*-phoenix*)
942 noconfigdirs="$noconfigdirs target-libgloss"
943 ;;
252b5132 944 *-*-rtems*)
9863d716 945 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 946 ;;
1587117a
EC		 947 # The tpf target doesn't support gdb yet.
948 *-*-tpf*)
c7e4b184 949 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 950 ;;
c1968181 951 *-*-uclinux*)
c7e4b184 952 noconfigdirs="$noconfigdirs target-rda"
c1968181 953 ;;
252b5132 954 *-*-vxworks*)
252b5132
RH		 955 ;;
956 alpha*-dec-osf*)
e99daf2b 957 # ld works, but does not support shared libraries.
252b5132 958 # gas doesn't generate exception information.
c7e4b184 959 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 960 ;;
961 alpha*-*-*vms*)
9863d716 962 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 963 ;;
252b5132
RH		 964 alpha*-*-*)
965 # newlib is not 64 bit ready
9863d716 966 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 967 ;;
2fb651f6 968 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 969 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 970 ;;
05a13254
NC		 971 arc*-*-*)
972 noconfigdirs="$noconfigdirs sim"
252b5132
RH		 973 ;;
974 arm-*-pe*)
9863d716 975 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 976 ;;
252b5132 977 arm-*-riscix*)
b2f14e4a 978 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 979 ;;
8e71395b
L		 980 avr-*-*)
981 if test x${with_avrlibc} != xno; then
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
983 fi
984 ;;
ff72e302 985 c4x-*-* | tic4x-*-*)
b2f14e4a 986 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 987 ;;
b2f14e4a
JM		 988 tic54x-*-*)
989 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 990 ;;
252b5132 991 d10v-*-*)
b2f14e4a 992 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 993 ;;
252b5132 994 d30v-*-*)
b2f14e4a 995 noconfigdirs="$noconfigdirs gdb"
252b5132 996 ;;
252b5132 997 fr30-*-elf*)
9863d716 998 noconfigdirs="$noconfigdirs gdb"
252b5132 999 ;;
3f8107ab
AM		 1000 ft32-*-*)
1001 noconfigdirs="$noconfigdirs target-rda gprof"
1002 ;;
20135e4c 1003 moxie-*-*)
10b8fe5e 1004 noconfigdirs="$noconfigdirs"
20135e4c 1005 ;;
dd1e52a4 1006 h8300*-*-*)
9863d716 1007 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 1008 ;;
252b5132 1009 h8500-*-*)
b2f14e4a 1010 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1011 ;;
caeba88f 1012 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1013 ;;
5569a85f
JDA		 1014 hppa*64*-*-hpux*)
1015 noconfigdirs="$noconfigdirs gdb"
1016 ;;
1017 hppa*-*-hpux11*)
1018 noconfigdirs="$noconfigdirs gdb ld"
1019 ;;
93cc359e 1020 hppa*64*-*-linux*)
252b5132 1021 ;;
f0ff0f90 1022 hppa*-*-linux*)
5dcac624 1023 ;;
252b5132 1024 hppa*-*-*elf* | \
09e90eb4 1025 hppa*-*-lites* | \
17240c1f 1026 hppa*-*-openbsd* | \
09e90eb4 1027 hppa*64*-*-*)
4f0ef2d8 1028 ;;
691bb5a1 1029 hppa*-*-pro*)
691bb5a1 1030 ;;
252b5132 1031 hppa*-*-*)
9863d716 1032 noconfigdirs="$noconfigdirs ld"
252b5132 1033 ;;
b07c2aad 1034 i960-*-*)
b2f14e4a 1035 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1036 ;;
2315914d
JW		 1037 ia64*-*-elf*)
1038 # No gdb support yet.
0377a422 1039 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1040 ;;
a0c1c920 1041 ia64*-**-hpux*)
92c9a463 1042 # No ld support yet.
5569a85f 1043 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
a0c1c920 1044 ;;
19e99079 1045 ia64*-*-*vms*)
7ec59b9e
L		 1046 # No ld support yet.
1047 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1048 ;;
1f53ca9a 1049 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1050 ;;
1051 i[[3456789]]86-*-mingw*)
45055374 1052 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1053 ;;
252b5132
RH		 1054 *-*-cygwin*)
1055 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1056 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1057 # always build newlib if winsup directory is present.
45055374 1058 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1059 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1060 elif test -d "$srcdir/newlib"; then
45055374 1061 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1062 fi
1f53ca9a 1063 ;;
ec11bdc6 1064 i[[3456789]]86-*-pe)
782cb41f 1065 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1066 ;;
ec11bdc6 1067 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1068 # The linker does not yet know about weak symbols in COFF,
1069 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1070 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1071 ;;
ec11bdc6 1072 i[[3456789]]86-*-sco*)
b2f14e4a 1073 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1074 ;;
cff32a7c 1075 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1076 noconfigdirs="$noconfigdirs target-libgloss"
1077 ;;
ec11bdc6 1078 i[[3456789]]86-*-sysv4*)
b2f14e4a 1079 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1080 ;;
ec11bdc6 1081 i[[3456789]]86-*-beos*)
c7e4b184 1082 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1083 ;;
b59bea8a 1084 i[[3456789]]86-*-rdos*)
c7e4b184 1085 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1086 ;;
75205f78 1087 mmix-*-*)
9863d716 1088 noconfigdirs="$noconfigdirs gdb"
75205f78 1089 ;;
4970f871 1090 mt-*-*)
cdb9b172
AH		 1091 noconfigdirs="$noconfigdirs sim"
1092 ;;
1063beb5
FT		 1093 nfp-*-*)
1094 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1095 noconfigdirs="$noconfigdirs $target_libraries"
1096 ;;
252b5132
RH		 1097 powerpc-*-aix*)
1098 # copied from rs6000-*-* entry
c7e4b184 1099 noconfigdirs="$noconfigdirs gprof"
252b5132 1100 ;;
93cc359e 1101 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1102 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1103 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1104 # always build newlib.
1105 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1106 ;;
1107 # This is temporary until we can link against shared libraries
1108 powerpcle-*-solaris*)
b2f14e4a 1109 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1110 ;;
1111 powerpc-*-beos*)
c7e4b184 1112 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1113 ;;
1114 rs6000-*-lynxos*)
c7e4b184 1115 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1116 ;;
1117 rs6000-*-aix*)
c7e4b184 1118 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1119 ;;
1120 rs6000-*-*)
9863d716 1121 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1122 ;;
1123 m68k-apollo-*)
b2f14e4a 1124 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1125 ;;
25a07265 1126 microblaze*)
9863d716 1127 noconfigdirs="$noconfigdirs gprof"
25a07265 1128 ;;
a9d58c06 1129 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS		 1130 if test x$with_newlib = xyes; then
1131 noconfigdirs="$noconfigdirs gprof"
1132 fi
5bd8be13 1133 ;;
252b5132 1134 mips*-*-irix5*)
b2f14e4a 1135 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1136 ;;
1137 mips*-*-irix6*)
9863d716 1138 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1139 ;;
252b5132 1140 mips*-*-bsd*)
e8044f35 1141 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1142 ;;
fad93c55 1143 mips*-*-linux*)
fad93c55 1144 ;;
e8044f35
RS		 1145 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1146 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1147 noconfigdirs="$noconfigdirs ld gas gprof"
1148 ;;
252b5132 1149 mips*-*-*)
9863d716 1150 noconfigdirs="$noconfigdirs gprof"
252b5132 1151 ;;
1b6c0831 1152 nvptx*-*-*)
1b6c0831
L		 1153 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1154 ;;
05a13254 1155 sh-*-*)
e8a5fa9c
RW		 1156 case "${target}" in
1157 sh*-*-elf)
9863d716 1158 ;;
e8a5fa9c 1159 *)
9863d716 1160 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1161 esac
252b5132 1162 ;;
252b5132 1163 sparc-*-sunos4*)
c7e4b184 1164 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1165 use_gnu_ld=no
1166 fi
1167 ;;
619a3713 1168 tic6x-*-*)
40ae9136 1169 noconfigdirs="$noconfigdirs sim"
619a3713 1170 ;;
05a13254 1171 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC		 1172 noconfigdirs="$noconfigdirs sim"
1173 ;;
252b5132 1174 v810-*-*)
b2f14e4a 1175 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1176 ;;
1177 vax-*-*)
9863d716 1178 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1179 ;;
b29d2641
MR		 1180 wasm32-*-*)
1181 noconfigdirs="$noconfigdirs ld"
1182 ;;
252b5132
RH		 1183esac
1184
1185# If we aren't building newlib, then don't build libgloss, since libgloss
1186# depends upon some newlib header files.
1187case "${noconfigdirs}" in
1188 *target-libgloss*) ;;
1189 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1190esac
252b5132 1191
f48556b1 1192# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1193host_makefile_frag=/dev/null
f48556b1
DD		 1194if test -d ${srcdir}/config ; then
1195case "${host}" in
ec11bdc6 1196 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1197 host_makefile_frag="config/mh-djgpp"
1198 ;;
1199 *-cygwin*)
e33b51a6 1200 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1201 host_makefile_frag="config/mh-cygwin"
1202 ;;
8a1599ab 1203 *-mingw*)
84e7906e 1204 host_makefile_frag="config/mh-mingw"
80f6dcbc 1205 ;;
ce6c656d
L		 1206 alpha*-linux*)
1207 host_makefile_frag="config/mh-alpha-linux"
1208 ;;
da888c87 1209 hppa*-hp-hpux10*)
da888c87 1210 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1211 ;;
3516a403 1212 hppa*-hp-hpux*)
da888c87
PB		 1213 host_makefile_frag="config/mh-pa"
1214 ;;
7ec59b9e 1215 hppa*-*)
da888c87
PB		 1216 host_makefile_frag="config/mh-pa"
1217 ;;
e552509b
ILT		 1218 *-*-darwin*)
1219 host_makefile_frag="config/mh-darwin"
0df3d27f 1220 ;;
f6d183c0
PB		 1221 powerpc-*-aix*)
1222 host_makefile_frag="config/mh-ppc-aix"
1223 ;;
1224 rs6000-*-aix*)
1225 host_makefile_frag="config/mh-ppc-aix"
1226 ;;
f48556b1
DD		 1227esac
1228fi
1229
9e07f89d 1230if test "${build}" != "${host}" ; then
b5714970
PB		 1231 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1232 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1233 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970 1234 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
b5714970 1235 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1236 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1237 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1238 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1239 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1240 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1241 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1242 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1243else
b5714970
PB		 1244 AR_FOR_BUILD="\$(AR)"
1245 AS_FOR_BUILD="\$(AS)"
9e07f89d 1246 CC_FOR_BUILD="\$(CC)"
b5714970 1247 CXX_FOR_BUILD="\$(CXX)"
b5714970 1248 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1249 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1250 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1251 LD_FOR_BUILD="\$(LD)"
1252 NM_FOR_BUILD="\$(NM)"
1253 RANLIB_FOR_BUILD="\$(RANLIB)"
1254 WINDRES_FOR_BUILD="\$(WINDRES)"
1255 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1256fi
9e07f89d 1257
24ff9987
DJ		 1258AC_PROG_CC
1259AC_PROG_CXX
1260
1261# We must set the default linker to the linker used by gcc for the correct
1262# operation of libtool. If LD is not defined and we are using gcc, try to
1263# set the LD default to the ld used by gcc.
1264if test -z "$LD"; then
1265 if test "$GCC" = yes; then
1266 case $build in
1267 *-*-mingw*)
1268 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1269 *)
1270 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1271 esac
1272 case $gcc_prog_ld in
1273 # Accept absolute paths.
1274 [[\\/]* | [A-Za-z]:[\\/]*)]
1275 LD="$gcc_prog_ld" ;;
1276 esac
1277 fi
9e07f89d
NN		 1278fi
1279
b3676d82
EB		 1280# Check whether -static-libstdc++ -static-libgcc is supported.
1281have_static_libs=no
1282if test "$GCC" = yes; then
1283 saved_LDFLAGS="$LDFLAGS"
1284
1285 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1286 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1287 AC_LANG_PUSH(C++)
d0ac1c44 1288 AC_LINK_IFELSE([AC_LANG_SOURCE([
a882be68
EB		 1289#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1290#error -static-libstdc++ not implemented
1291#endif
d0ac1c44 1292int main() {}])],
b3676d82
EB		 1293 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1294 [AC_MSG_RESULT([no])])
1295 AC_LANG_POP(C++)
1296
1297 LDFLAGS="$saved_LDFLAGS"
1298fi
1299
9e07f89d 1300ACX_PROG_GNAT
b8908782 1301ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1302
ffdd6afc
ILT		 1303AC_ARG_ENABLE([bootstrap],
1304[AS_HELP_STRING([--enable-bootstrap],
1305 [enable bootstrapping @<:@yes if native build@:>@])],,
1306enable_bootstrap=default)
1307
1308# Issue errors and warnings for invalid/strange bootstrap combinations.
1309if test -r $srcdir/gcc/configure; then
1310 have_compiler=yes
1311else
1312 have_compiler=no
1313fi
1314
1315case "$have_compiler:$host:$target:$enable_bootstrap" in
1316 *:*:*:no) ;;
1317
1318 # Default behavior. Enable bootstrap if we have a compiler
1319 # and we are in a native configuration.
1320 yes:$build:$build:default)
1321 enable_bootstrap=yes ;;
1322
1323 *:*:*:default)
1324 enable_bootstrap=no ;;
1325
1326 # We have a compiler and we are in a native configuration, bootstrap is ok
1327 yes:$build:$build:yes)
1328 ;;
1329
1330 # Other configurations, but we have a compiler. Assume the user knows
1331 # what he's doing.
1332 yes:*:*:yes)
1333 AC_MSG_WARN([trying to bootstrap a cross compiler])
1334 ;;
1335
1336 # No compiler: if they passed --enable-bootstrap explicitly, fail
1337 no:*:*:yes)
1338 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1339
1340 # Fail if wrong command line
1341 *)
1342 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1343 ;;
1344esac
1345
ce6c656d
L		 1346# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1347# C++98 compiler can still start the bootstrap.
1348if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1349 CXX="$CXX -std=gnu++98"
1350fi
1351
d5f2ee2e
KG		 1352# Used for setting $lt_cv_objdir
1353_LT_CHECK_OBJDIR
1354
e8a5fa9c 1355# Check for GMP, MPFR and MPC
d9b76ff9 1356gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1357gmpinc=
4b900473 1358have_gmp=no
e8a5fa9c
RW		 1359
1360# Specify a location for mpc
1361# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1362AC_ARG_WITH(mpc,
1363[AS_HELP_STRING([--with-mpc=PATH],
1364 [specify prefix directory for installed MPC package.
1365 Equivalent to --with-mpc-include=PATH/include
1366 plus --with-mpc-lib=PATH/lib])])
1367AC_ARG_WITH(mpc-include,
1368[AS_HELP_STRING([--with-mpc-include=PATH],
1369 [specify directory for installed MPC include files])])
1370AC_ARG_WITH(mpc-lib,
1371[AS_HELP_STRING([--with-mpc-lib=PATH],
1372 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1373
1374if test "x$with_mpc" != x; then
d9b76ff9
KG		 1375 gmplibs="-L$with_mpc/lib $gmplibs"
1376 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1377fi
1378if test "x$with_mpc_include" != x; then
d9b76ff9 1379 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1380fi
1381if test "x$with_mpc_lib" != x; then
d9b76ff9 1382 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1383fi
1384if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1385 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1386 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1387 # Do not test the mpc version. Assume that it is sufficient, since
1388 # it is in the source tree, and the library has not been built yet
1389 # but it would be included on the link line in the version check below
1390 # hence making the test fail.
d9b76ff9 1391 have_gmp=yes
e8a5fa9c 1392fi
4b900473 1393
11b04d1f
DD		 1394# Specify a location for mpfr
1395# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1396AC_ARG_WITH(mpfr-dir,
1397[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1398[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1399Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1400
1401AC_ARG_WITH(mpfr,
1402[AS_HELP_STRING([--with-mpfr=PATH],
1403 [specify prefix directory for installed MPFR package.
1404 Equivalent to --with-mpfr-include=PATH/include
1405 plus --with-mpfr-lib=PATH/lib])])
1406AC_ARG_WITH(mpfr-include,
1407[AS_HELP_STRING([--with-mpfr-include=PATH],
1408 [specify directory for installed MPFR include files])])
1409AC_ARG_WITH(mpfr-lib,
1410[AS_HELP_STRING([--with-mpfr-lib=PATH],
1411 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1412
1413if test "x$with_mpfr" != x; then
1414 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1415 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1416fi
8a0d8a5c 1417if test "x$with_mpfr_include" != x; then
d9b76ff9 1418 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1419fi
1420if test "x$with_mpfr_lib" != x; then
1421 gmplibs="-L$with_mpfr_lib $gmplibs"
1422fi
4b900473 1423if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21 1424 # MPFR v3.1.0 moved the sources into a src sub-directory.
05a13254
NC		 1425 if ! test -d ${srcdir}/mpfr/src; then
1426 AC_MSG_ERROR([dnl
1427Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
58b1dd21 1428 fi
05a13254
NC		 1429 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1430 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1431 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
4b900473
PB		 1432 # Do not test the mpfr version. Assume that it is sufficient, since
1433 # it is in the source tree, and the library has not been built yet
1434 # but it would be included on the link line in the version check below
1435 # hence making the test fail.
1436 have_gmp=yes
1437fi
11b04d1f 1438
4b1cb4fe 1439# Specify a location for gmp
7837304f
AS		 1440AC_ARG_WITH(gmp-dir,
1441[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1442[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1443Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1444
1445AC_ARG_WITH(gmp,
1446[AS_HELP_STRING([--with-gmp=PATH],
1447 [specify prefix directory for the installed GMP package.
1448 Equivalent to --with-gmp-include=PATH/include
1449 plus --with-gmp-lib=PATH/lib])])
1450AC_ARG_WITH(gmp-include,
1451[AS_HELP_STRING([--with-gmp-include=PATH],
1452 [specify directory for installed GMP include files])])
1453AC_ARG_WITH(gmp-lib,
1454[AS_HELP_STRING([--with-gmp-lib=PATH],
1455 [specify directory for the installed GMP library])])
4b1cb4fe 1456
4b1cb4fe 1457
11b04d1f
DD		 1458if test "x$with_gmp" != x; then
1459 gmplibs="-L$with_gmp/lib $gmplibs"
1460 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1461fi
8a0d8a5c
PB		 1462if test "x$with_gmp_include" != x; then
1463 gmpinc="-I$with_gmp_include $gmpinc"
1464fi
1465if test "x$with_gmp_lib" != x; then
1466 gmplibs="-L$with_gmp_lib $gmplibs"
1467fi
4b900473 1468if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1469 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1470 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1471 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1472 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1473 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1474 # Do not test the gmp version. Assume that it is sufficient, since
1475 # it is in the source tree, and the library has not been built yet
1476 # but it would be included on the link line in the version check below
1477 # hence making the test fail.
1478 have_gmp=yes
1479fi
4b1cb4fe 1480
ceb92e78 1481if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1482 have_gmp=yes
1483 saved_CFLAGS="$CFLAGS"
1484 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1485 # Check for the recommended and required versions of GMP.
1486 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1487 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1488 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1489 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1490 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1491 choke me
4b900473 1492 #endif
a009f2e7 1493 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1494 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1495 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1496 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1497 choke me
1498 #endif
a009f2e7 1499 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1500 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1501
e8a5fa9c 1502 # If we have GMP, check the MPFR version.
4b900473 1503 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1504 # Check for the recommended and required versions of MPFR.
1505 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1506 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1507 #include <mpfr.h>],[
7ec59b9e 1508 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1509 choke me
1510 #endif
a009f2e7 1511 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1512 #include <mpfr.h>],[
a6b5846e 1513 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1514 choke me
1515 #endif
a009f2e7 1516 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1517 [AC_MSG_RESULT([no]); have_gmp=no])
1518 fi
1519
1520 # Check for the MPC header version.
d9b76ff9 1521 if test x"$have_gmp" = xyes ; then
a6b5846e 1522 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1523 AC_MSG_CHECKING([for the correct version of mpc.h])
1524 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1525 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1526 choke me
1527 #endif
a009f2e7 1528 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1529 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1530 choke me
1531 #endif
a009f2e7 1532 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1533 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1534 fi
1535
1536 # Now check the MPFR library.
1537 if test x"$have_gmp" = xyes; then
1538 saved_LIBS="$LIBS"
1539 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1540 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1541 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1542 mpfr_t n;
1543 mpfr_t x;
d9b76ff9 1544 mpc_t c;
4b900473 1545 int t;
a3ca38d2
DD		 1546 mpfr_init (n);
1547 mpfr_init (x);
4b900473
PB		 1548 mpfr_atan2 (n, n, x, GMP_RNDN);
1549 mpfr_erfc (n, x, GMP_RNDN);
1550 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1551 mpfr_clear(n);
1552 mpfr_clear(x);
1553 mpc_init2 (c, 53);
1554 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1555 mpc_cosh (c, c, MPC_RNDNN);
1556 mpc_pow (c, c, c, MPC_RNDNN);
1557 mpc_acosh (c, c, MPC_RNDNN);
1558 mpc_clear (c);
e8a5fa9c
RW		 1559 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1560 LIBS="$saved_LIBS"
4b900473 1561 fi
e8a5fa9c 1562
4b900473 1563 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1564
a6b5846e
KG		 1565# The library versions listed in the error message below should match
1566# the HARD-minimums enforced above.
4b900473 1567 if test x$have_gmp != xyes; then
7ec59b9e 1568 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1569Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1570their locations. Source code for these libraries can be found at
1571their respective hosting sites as well as at
1572ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1573http://gcc.gnu.org/install/prerequisites.html for additional info. If
1574you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1575make sure that you have installed both the libraries and the header
1576files. They may be located in separate packages.])
4b900473 1577 fi
9dbaa842
DD		 1578fi
1579
e8a5fa9c 1580# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1581AC_SUBST(gmplibs)
1582AC_SUBST(gmpinc)
e8a5fa9c
RW		 1583AC_SUBST(extra_mpfr_configure_flags)
1584AC_SUBST(extra_mpc_gmp_configure_flags)
1585AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1586AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1587
e8a5fa9c
RW		 1588# Libraries to use for stage1 or when not bootstrapping.
1589AC_ARG_WITH(stage1-libs,
7837304f 1590[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1591[if test "$withval" = "no" -o "$withval" = "yes"; then
1592 stage1_libs=
1593 else
1594 stage1_libs=$withval
1595 fi],
68996839 1596[stage1_libs=])
e8a5fa9c
RW		 1597AC_SUBST(stage1_libs)
1598
b3676d82
EB		 1599# Linker flags to use for stage1 or when not bootstrapping.
1600AC_ARG_WITH(stage1-ldflags,
1601[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1602[if test "$withval" = "no" -o "$withval" = "yes"; then
1603 stage1_ldflags=
1604 else
1605 stage1_ldflags=$withval
1606 fi],
1607[stage1_ldflags=
1608 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1609 # if supported. But if the user explicitly specified the libraries to use,
1610 # trust that they are doing what they want.
1611 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1612 stage1_ldflags="-static-libstdc++ -static-libgcc"
1613 fi])
1614AC_SUBST(stage1_ldflags)
1615
68996839 1616# Libraries to use for stage2 and later builds.
e8a5fa9c 1617AC_ARG_WITH(boot-libs,
7837304f 1618[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1619[if test "$withval" = "no" -o "$withval" = "yes"; then
1620 poststage1_libs=
1621 else
1622 poststage1_libs=$withval
1623 fi],
68996839 1624[poststage1_libs=])
e8a5fa9c
RW		 1625AC_SUBST(poststage1_libs)
1626
143754cd
NC		 1627# Linker flags to use for stage2 and later builds.
1628AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1629[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1630 [linker flags for stage2 and later])],
143754cd
NC		 1631[if test "$withval" = "no" -o "$withval" = "yes"; then
1632 poststage1_ldflags=
1633 else
1634 poststage1_ldflags=$withval
1635 fi],
1636[poststage1_ldflags=
4f11b223
ILT		 1637 # In stages 2 and 3, default to linking libstdc++ and libgcc
1638 # statically. But if the user explicitly specified the libraries to
1639 # use, trust that they are doing what they want.
1640 if test "$poststage1_libs" = ""; then
143754cd
NC		 1641 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1642 fi])
1643AC_SUBST(poststage1_ldflags)
1644
4849dfd8 1645# GCC GRAPHITE dependency isl.
1b6c0831 1646# Basic setup is inlined here, actual checks are in config/isl.m4
8e71395b 1647
8e71395b
L		 1648AC_ARG_WITH(isl,
1649 [AS_HELP_STRING(
1650 [--with-isl=PATH],
4849dfd8 1651 [Specify prefix directory for the installed isl package.
8e71395b
L		 1652 Equivalent to --with-isl-include=PATH/include
1653 plus --with-isl-lib=PATH/lib])])
1654
1b6c0831 1655# Treat --without-isl as a request to disable
8e71395b 1656# GRAPHITE support and skip all following checks.
1b6c0831 1657if test "x$with_isl" != "xno"; then
4849dfd8 1658 # Check for isl
8e71395b
L		 1659 dnl Provide configure switches and initialize islinc & isllibs
1660 dnl with user input.
1661 ISL_INIT_FLAGS
4849dfd8 1662 dnl The versions of isl that work for Graphite
1b6c0831 1663 ISL_CHECK_VERSION()
4849dfd8 1664 dnl Only execute fail-action, if isl has been requested.
7ec59b9e 1665 ISL_IF_FAILED([
4849dfd8 1666 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
e28c595f
JM		 1667fi
1668
4849dfd8 1669# If the isl check failed, disable builds of in-tree variant of isl
8e71395b 1670if test "x$with_isl" = xno ||
8e71395b 1671 test "x$gcc_cv_isl" = xno; then
1b6c0831 1672 noconfigdirs="$noconfigdirs isl"
8e71395b 1673 islinc=
7ec59b9e
L		 1674fi
1675
1b6c0831 1676AC_SUBST(isllibs)
8e71395b 1677AC_SUBST(islinc)
8e71395b 1678
700d40ca
ILT		 1679# Check for LTO support.
1680AC_ARG_ENABLE(lto,
7837304f 1681[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1682enable_lto=$enableval,
1683enable_lto=yes; default_enable_lto=yes)
1684
74cea91b
DK		 1685ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1686 build_lto_plugin=yes
1687],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1688 case $target in
bf41f30d 1689 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
74cea91b 1690 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1691 *) enable_lto=no ;;
1692 esac
e49e5c92 1693 else
29821356
RW		 1694 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1695 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1696 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1697 # warn during gcc/ subconfigure; unless you're bootstrapping with
1698 # -flto it won't be needed until after installation anyway.
1699 case $target in
52cf9762 1700 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
e49e5c92
DK		 1701 *) if test x"$enable_lto" = x"yes"; then
1702 AC_MSG_ERROR([LTO support is not enabled for this target.])
1703 fi
1704 ;;
1705 esac
1706 fi
a8eb3f0a 1707 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1708 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1709 case $target in
74cea91b 1710 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1711 *) ;;
1712 esac
74cea91b 1713])
700d40ca 1714
1b6c0831
L		 1715AC_ARG_ENABLE(linker-plugin-configure-flags,
1716 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1717 [additional flags for configuring linker plugins @<:@none@:>@])],
1718 extra_linker_plugin_configure_flags=$enableval,
1719 extra_linker_plugin_configure_flags=)
1720AC_SUBST(extra_linker_plugin_configure_flags)
1721AC_ARG_ENABLE(linker-plugin-flags,
1722 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1723 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1724 extra_linker_plugin_flags=$enableval,
1725 extra_linker_plugin_flags=)
1726AC_SUBST(extra_linker_plugin_flags)
1727
bf41f30d
NC		 1728# Enable --enable-host-shared.
1729# Checked early to determine whether jit is an 'all' language
1730AC_ARG_ENABLE(host-shared,
1731[AS_HELP_STRING([--enable-host-shared],
1732 [build host code as shared libraries])],
1733[host_shared=$enableval], [host_shared=no])
1734AC_SUBST(host_shared)
e28c595f 1735
7ec59b9e 1736# By default, C and C++ are the only stage 1 languages.
9b134994 1737stage1_languages=,c,
1d39f329 1738
e8a5fa9c 1739# Target libraries that we bootstrap.
2aa2364a 1740bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1741
9e07f89d
NN		 1742# Figure out what language subdirectories are present.
1743# Look if the user specified --enable-languages="..."; if not, use
1744# the environment variable $LANGUAGES if defined. $LANGUAGES might
1745# go away some day.
1746# NB: embedded tabs in this IF block -- do not untabify
1747if test -d ${srcdir}/gcc; then
1748 if test x"${enable_languages+set}" != xset; then
1749 if test x"${LANGUAGES+set}" = xset; then
1750 enable_languages="${LANGUAGES}"
136bb21f 1751 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
9e07f89d 1752 else
bf41f30d 1753 enable_languages=default
9e07f89d
NN		 1754 fi
1755 else
1756 if test x"${enable_languages}" = x ||
1757 test x"${enable_languages}" = xyes;
1758 then
136bb21f 1759 echo configure.ac: --enable-languages needs at least one language argument 1>&2
9e07f89d
NN		 1760 exit 1
1761 fi
1762 fi
1763 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1764
096f7d00
DE		 1765 # 'f95' is the old name for the 'fortran' language. We issue a warning
1766 # and make the substitution.
1767 case ,${enable_languages}, in
1768 *,f95,*)
136bb21f 1769 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
096f7d00
DE		 1770 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1771 ;;
1772 esac
1773
7ec59b9e
L		 1774 # If bootstrapping, C++ must be enabled.
1775 case ",$enable_languages,:$enable_bootstrap" in
1776 *,c++,*:*) ;;
1777 *:yes)
ffdd6afc
ILT		 1778 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1779 enable_languages="${enable_languages},c++"
1780 else
7ec59b9e 1781 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1782 fi
1783 ;;
1784 esac
1785
9e07f89d
NN		 1786 # First scan to see if an enabled language requires some other language.
1787 # We assume that a given config-lang.in will list all the language
1788 # front ends it requires, even if some are required indirectly.
1789 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1790 case ${lang_frag} in
1791 ..) ;;
1792 # The odd quoting in the next line works around
1793 # an apparent bug in bash 1.12 on linux.
1794 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1795 *)
e552509b
ILT		 1796 # From the config-lang.in, get $language, $lang_requires, and
1797 # $lang_requires_boot_languages.
9e07f89d
NN		 1798 language=
1799 lang_requires=
e552509b 1800 lang_requires_boot_languages=
bf41f30d
NC		 1801 # set srcdir during sourcing lang_frag to the gcc dir.
1802 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1803 # polutes this shell
1804 saved_srcdir=${srcdir}
1805 srcdir=${srcdir}/gcc . ${lang_frag}
1806 srcdir=${saved_srcdir}
e552509b 1807 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1808 case ,${enable_languages}, in
1809 *,$other,*) ;;
bf41f30d 1810 *,default,*) ;;
9e07f89d
NN		 1811 *,all,*) ;;
1812 *,$language,*)
1813 echo " \`$other' language required by \`$language'; enabling" 1>&2
1814 enable_languages="${enable_languages},${other}"
1815 ;;
1816 esac
1817 done
e552509b
ILT		 1818 for other in ${lang_requires_boot_languages} ; do
1819 if test "$other" != "c"; then
1820 case ,${enable_stage1_languages}, in
1821 *,$other,*) ;;
bf41f30d 1822 *,default,*) ;;
e552509b
ILT		 1823 *,all,*) ;;
1824 *)
1825 case ,${enable_languages}, in
1826 *,$language,*)
1827 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1828 enable_stage1_languages="$enable_stage1_languages,${other}"
1829 ;;
1830 esac
1831 ;;
1832 esac
1833 fi
1834 done
9e07f89d
NN		 1835 ;;
1836 esac
1837 done
1838
9b134994 1839 new_enable_languages=,c,
700d40ca
ILT		 1840
1841 # If LTO is enabled, add the LTO front end.
700d40ca 1842 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1843 case ,${enable_languages}, in
1844 *,lto,*) ;;
1845 *) enable_languages="${enable_languages},lto" ;;
1846 esac
a8eb3f0a 1847 if test "${build_lto_plugin}" = "yes" ; then
700d40ca 1848 configdirs="$configdirs lto-plugin"
700d40ca
ILT		 1849 fi
1850 fi
1b6c0831
L		 1851
1852 # If we're building an offloading compiler, add the LTO front end.
1853 if test x"$enable_as_accelerator_for" != x ; then
1854 case ,${enable_languages}, in
1855 *,lto,*) ;;
1856 *) enable_languages="${enable_languages},lto" ;;
1857 esac
1858 fi
700d40ca 1859
bf41f30d 1860 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1861 potential_languages=,c,
9e07f89d 1862
9e1a94f4
ILT		 1863 enabled_target_libs=
1864 disabled_target_libs=
1865
9e07f89d
NN		 1866 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1867 case ${lang_frag} in
1868 ..) ;;
1869 # The odd quoting in the next line works around
1870 # an apparent bug in bash 1.12 on linux.
1871 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1872 *)
7ec59b9e 1873 # From the config-lang.in, get $language, $target_libs,
1d39f329 1874 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1875 language=
1876 target_libs=
1877 lang_dirs=
64ce424c 1878 subdir_requires=
9b134994
PB		 1879 boot_language=no
1880 build_by_default=yes
bf41f30d
NC		 1881 # set srcdir during sourcing. See above about save & restore
1882 saved_srcdir=${srcdir}
1883 srcdir=${srcdir}/gcc . ${lang_frag}
1884 srcdir=${saved_srcdir}
9b134994
PB		 1885 if test x${language} = x; then
1886 echo "${lang_frag} doesn't set \$language." 1>&2
1887 exit 1
1888 fi
1889
ffdd6afc 1890 if test "$language" = "c++"; then
7ec59b9e 1891 boot_language=yes
e8a5fa9c
RW		 1892 fi
1893
8e71395b 1894 add_this_lang=no
bf41f30d
NC		 1895 # C is always enabled, so no need to add it again
1896 if test "$language" != "c"; then
1897 case ,${enable_languages}, in
1898 *,${language},*)
1899 # Language was explicitly selected; include it
7ec59b9e 1900 add_this_lang=yes
bf41f30d
NC		 1901 ;;
1902 *,all,*)
1903 # All languages are enabled
1904 add_this_lang=all
1905 ;;
1906 *,default,*)
1907 # 'default' was selected, select it if it is a default language
8e71395b 1908 add_this_lang=${build_by_default}
bf41f30d
NC		 1909 ;;
1910 esac
1911 fi
4b1cb4fe 1912
64ce424c 1913 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1914 for i in $subdir_requires; do
3d3adb43 1915 test -f "$srcdir/gcc/$i/config-lang.in" && continue
bf41f30d
NC		 1916 case ${add_this_lang} in
1917 yes)
64ce424c
PB		 1918 # Specifically requested language; tell them.
1919 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1920 ;;
bf41f30d
NC		 1921 all)
1922 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1923 add_this_lang=unsupported
1924 ;;
64ce424c
PB		 1925 *)
1926 # Silently disable.
9b134994 1927 add_this_lang=unsupported
64ce424c
PB		 1928 ;;
1929 esac
1930 done
1931
9b134994 1932 # Disable Ada if no preexisting GNAT is available.
bf41f30d
NC		 1933 case ${add_this_lang}:${language}:${have_gnat} in
1934 yes:ada:no)
9b134994
PB		 1935 # Specifically requested language; tell them.
1936 AC_MSG_ERROR([GNAT is required to build $language])
1937 ;;
bf41f30d
NC		 1938 all:ada:no)
1939 AC_MSG_WARN([GNAT is required to build $language])
1940 add_this_lang=unsupported
1941 ;;
9b134994
PB		 1942 *:ada:no)
1943 # Silently disable.
1944 add_this_lang=unsupported
1945 ;;
1946 esac
1947
bf41f30d
NC		 1948 # Disable jit if -enable-host-shared not specified
1949 case ${add_this_lang}:${language}:${host_shared} in
1950 yes:jit:no)
1951 # PR jit/64780: explicitly specify --enable-host-shared
1952 AC_MSG_ERROR([
1953Enabling language "jit" requires --enable-host-shared.
1954
1955--enable-host-shared typically slows the rest of the compiler down by
1956a few %, so you must explicitly enable it.
1957
1958If you want to build both the jit and the regular compiler, it is often
1959best to do this via two separate configure/builds, in separate
1960directories, to avoid imposing the performance cost of
1961--enable-host-shared on the regular compiler.])
1962 ;;
1963 all:jit:no)
1964 AC_MSG_WARN([--enable-host-shared required to build $language])
1965 add_this_lang=unsupported
1966 ;;
1967 *:jit:no)
1968 # Silently disable.
1969 add_this_lang=unsupported
1970 ;;
1971 esac
1972
1973 # Disable a language that is unsupported by the target.
1974 case "${add_this_lang}: $unsupported_languages " in
1975 no:*) ;;
1976 unsupported:*) ;;
1977 *:*" $language "*)
1978 AC_MSG_WARN([${language} not supported for this target])
9b134994 1979 add_this_lang=unsupported
59f7ec45
HPN		 1980 ;;
1981 esac
1982
4b1cb4fe 1983 case $add_this_lang in
9b134994 1984 unsupported)
9e07f89d 1985 # Remove language-dependent dirs.
9e1a94f4
ILT		 1986 disabled_target_libs="$disabled_target_libs $target_libs"
1987 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1988 ;;
9b134994
PB		 1989 no)
1990 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1991 disabled_target_libs="$disabled_target_libs $target_libs"
1992 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1993 potential_languages="${potential_languages}${language},"
1994 ;;
bf41f30d 1995 all|yes)
9b134994
PB		 1996 new_enable_languages="${new_enable_languages}${language},"
1997 potential_languages="${potential_languages}${language},"
1d39f329 1998 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1999 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 2000 case "${boot_language}:,$enable_stage1_languages," in
2001 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 2002 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 2003 case ",$stage1_languages," in
2004 *,$language,* | ,yes, | ,all,) ;;
2005 *) stage1_languages="${stage1_languages}${language}," ;;
2006 esac
e8a5fa9c
RW		 2007 # We need to bootstrap any supporting libraries.
2008 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 2009 ;;
2010 esac
2011 ;;
9e07f89d
NN		 2012 esac
2013 ;;
2014 esac
2015 done
2016
9e1a94f4
ILT		 2017 # Add target libraries which are only needed for disabled languages
2018 # to noconfigdirs.
2019 if test -n "$disabled_target_libs"; then
2020 for dir in $disabled_target_libs; do
2021 case " $enabled_target_libs " in
2022 *" ${dir} "*) ;;
2023 *) noconfigdirs="$noconfigdirs $dir" ;;
2024 esac
2025 done
2026 fi
2027
9b134994 2028 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 2029 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2030 [choose additional languages to build during
2031 stage1. Mostly useful for compiler development])],
9b134994
PB		 2032 [case ,${enable_stage1_languages}, in
2033 ,no,|,,)
2034 # Set it to something that will have no effect in the loop below
2035 enable_stage1_languages=c ;;
2036 ,yes,)
2037 enable_stage1_languages=`echo $new_enable_languages | \
2038 sed -e "s/^,//" -e "s/,$//" ` ;;
2039 *,all,*)
2040 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2041 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2042 esac
2043
2044 # Add "good" languages from enable_stage1_languages to stage1_languages,
2045 # while "bad" languages go in missing_languages. Leave no duplicates.
2046 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2047 case $potential_languages in
2048 *,$i,*)
2049 case $stage1_languages in
2050 *,$i,*) ;;
2051 *) stage1_languages="$stage1_languages$i," ;;
2052 esac ;;
2053 *)
2054 case $missing_languages in
2055 *,$i,*) ;;
2056 *) missing_languages="$missing_languages$i," ;;
2057 esac ;;
2058 esac
2059 done])
2060
2061 # Remove leading/trailing commas that were added for simplicity
2062 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2063 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2064 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2065 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2066
9e07f89d
NN		 2067 if test "x$missing_languages" != x; then
2068 AC_MSG_ERROR([
27258dd4 2069The following requested languages could not be built: ${missing_languages}
9b134994 2070Supported languages are: ${potential_languages}])
9e07f89d 2071 fi
9e07f89d
NN		 2072 if test "x$new_enable_languages" != "x$enable_languages"; then
2073 echo The following languages will be built: ${new_enable_languages}
9b134994 2074 enable_languages="$new_enable_languages"
9e07f89d 2075 fi
9b134994
PB		 2076
2077 AC_SUBST(stage1_languages)
81ec575a 2078 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2079fi
2080
a6df5a19
PB		 2081# Handle --disable-<component> generically.
2082for dir in $configdirs $build_configdirs $target_configdirs ; do
2083 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2084 varname=`echo $dirname | sed -e s/+/_/g`
2085 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2086 noconfigdirs="$noconfigdirs $dir"
2087 fi
2088done
2089
4f0ef2d8
CD		 2090# Check for Boehm's garbage collector
2091AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2092[AS_HELP_STRING([--enable-objc-gc],
2093 [enable use of Boehm's garbage collector with the
05a13254
NC		 2094 GNU Objective-C runtime])])
2095AC_ARG_WITH([target-bdw-gc],
2096[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2097 [specify prefix directory for installed bdw-gc package.
2098 Equivalent to --with-target-bdw-gc-include=PATH/include
2099 plus --with-target-bdw-gc-lib=PATH/lib])])
2100AC_ARG_WITH([target-bdw-gc-include],
2101[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2102 [specify directories for installed bdw-gc include files])])
2103AC_ARG_WITH([target-bdw-gc-lib],
2104[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2105 [specify directories for installed bdw-gc library])])
2106
2107case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2108 AC_MSG_CHECKING([for bdw garbage collector])
2109 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2110 dnl no bdw-gw options, assume default locations
2111 AC_MSG_RESULT([using bdw-gc in default locations])
2112 else
2113 dnl bdw-gw options, first error checking, complete checking in libobjc
2114 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2115 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2116 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2117 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2118 else
2119 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
d42c4017 2120 fi
05a13254 2121 fi
4f0ef2d8
CD		 2122esac
2123
bf41f30d 2124# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
7ec59b9e 2125case ,${enable_languages}, in
1b6c0831 2126 *,c++,*)
bf41f30d 2127 # Disable libitm, libsanitizer if we're not building libstdc++
1b6c0831
L		 2128 case "${noconfigdirs}" in
2129 *target-libstdc++-v3*)
bf41f30d 2130 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
1b6c0831
L		 2131 ;;
2132 *) ;;
2133 esac
2134 ;;
7ec59b9e 2135 *)
bf41f30d 2136 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2137 ;;
2138esac
2139
caeba88f
AL		 2140# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2141# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2142# If we have the source for $noconfigdirs entries, add them to $notsupp.
2143
2144notsupp=""
2145for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2146 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2147 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2148 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2149 if test -r $srcdir/$dirname/configure ; then
2150 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2151 true
2152 else
2153 notsupp="$notsupp $dir"
2154 fi
2155 fi
2156 fi
caeba88f
AL		 2157 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2158 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2159 if test -r $srcdir/$dirname/configure ; then
2160 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2161 true
2162 else
2163 notsupp="$notsupp $dir"
2164 fi
2165 fi
2166 fi
9e07f89d
NN		 2167 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2168 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2169 if test -r $srcdir/$dirname/configure ; then
2170 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2171 true
2172 else
2173 notsupp="$notsupp $dir"
2174 fi
2175 fi
2176 fi
2177done
2178
9e07f89d
NN		 2179# Quietly strip out all directories which aren't configurable in this tree.
2180# This relies on all configurable subdirectories being autoconfiscated, which
2181# is now the case.
6a9cf61e
PB		 2182build_configdirs_all="$build_configdirs"
2183build_configdirs=
2184for i in ${build_configdirs_all} ; do
7ec59b9e 2185 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2186 if test -f ${srcdir}/$j/configure ; then
2187 build_configdirs="${build_configdirs} $i"
2188 fi
2189done
2190
9e07f89d
NN		 2191configdirs_all="$configdirs"
2192configdirs=
2193for i in ${configdirs_all} ; do
2194 if test -f ${srcdir}/$i/configure ; then
2195 configdirs="${configdirs} $i"
2196 fi
2197done
6a9cf61e 2198
9e07f89d
NN		 2199target_configdirs_all="$target_configdirs"
2200target_configdirs=
2201for i in ${target_configdirs_all} ; do
7ec59b9e 2202 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2203 if test -f ${srcdir}/$j/configure ; then
2204 target_configdirs="${target_configdirs} $i"
2205 fi
2206done
2207
1b6c0831
L		 2208# libiberty-linker-plugin is special: it doesn't have its own source directory,
2209# so we have to add it after the preceding checks.
2210if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2211then
2212 case " $configdirs " in
2213 *" libiberty "*)
2214 # If we can build libiberty, we can also build libiberty-linker-plugin.
2215 configdirs="$configdirs libiberty-linker-plugin"
2216 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2217 --with-libiberty=../libiberty-linker-plugin";;
2218 *)
2219 AC_MSG_ERROR([libiberty missing]);;
2220 esac
2221fi
2222
2223# Sometimes we have special requirements for the host libiberty.
2224extra_host_libiberty_configure_flags=
e81d5d05 2225extra_host_zlib_configure_flags=
1b6c0831
L		 2226case " $configdirs " in
2227 *" lto-plugin "* | *" libcc1 "*)
2228 # When these are to be built as shared libraries, the same applies to
2229 # libiberty.
2230 extra_host_libiberty_configure_flags=--enable-shared
2231 ;;
e81d5d05
L		 2232 *" bfd "*)
2233 # When bfd is to be built as a shared library, the same applies to
2234 # zlib.
2235 if test "$enable_shared" = "yes"; then
2236 extra_host_zlib_configure_flags=--enable-host-shared
2237 fi
2238 ;;
1b6c0831
L		 2239esac
2240AC_SUBST(extra_host_libiberty_configure_flags)
e81d5d05 2241AC_SUBST(extra_host_zlib_configure_flags)
1b6c0831 2242
9e07f89d
NN		 2243# Produce a warning message for the subdirs we can't configure.
2244# This isn't especially interesting in the Cygnus tree, but in the individual
2245# FSF releases, it's important to let people know when their machine isn't
2246# supported by the one or two programs in a package.
2247
2248if test -n "${notsupp}" && test -z "${norecursion}" ; then
2249 # If $appdirs is non-empty, at least one of those directories must still
2250 # be configured, or we error out. (E.g., if the gas release supports a
2251 # specified target in some subdirs but not the gas subdir, we shouldn't
2252 # pretend that all is well.)
2253 if test -n "$appdirs" ; then
2254 for dir in $appdirs ; do
2255 if test -r $dir/Makefile.in ; then
2256 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2257 appdirs=""
2258 break
2259 fi
6a9cf61e 2260 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2261 appdirs=""
2262 break
2263 fi
2264 fi
2265 done
2266 if test -n "$appdirs" ; then
2267 echo "*** This configuration is not supported by this package." 1>&2
2268 exit 1
2269 fi
2270 fi
2271 # Okay, some application will build, or we don't care to check. Still
2272 # notify of subdirs not getting built.
2273 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2274 echo " ${notsupp}" 1>&2
2275 echo " (Any other directories should still work fine.)" 1>&2
2276fi
2277
2278case "$host" in
2279 *msdosdjgpp*)
2280 enable_gdbtk=no ;;
2281esac
2282
24ff9987
DJ		 2283# To find our prefix, in gcc_cv_tool_prefix.
2284ACX_TOOL_DIRS
2285
9e07f89d
NN		 2286copy_dirs=
2287
7ec59b9e 2288AC_ARG_WITH([build-sysroot],
7837304f
AS		 2289 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2290 [use sysroot as the system root during the build])],
a19b6204
MM		 2291 [if test x"$withval" != x ; then
2292 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2293 fi],
2294 [SYSROOT_CFLAGS_FOR_TARGET=])
2295AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2296
8a6ee3ab 2297AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2298 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2299 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2300 [if test x"$withval" != x; then
2301 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2302 for debug_map in $withval; do
2303 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2304 done
2305 fi],
2306 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2307AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2308
7f6ef0c0
PB		 2309# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2310# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2311# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2312# We want to ensure that TARGET libraries (which we know are built with
2313# gcc) are built with "-O2 -g", so include those options when setting
2314# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2315if test "x$CFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2316 if test "x${is_cross_compiler}" = xyes; then
2317 CFLAGS_FOR_TARGET="-g -O2"
2318 else
2319 CFLAGS_FOR_TARGET=$CFLAGS
2320 case " $CFLAGS " in
2321 *" -O2 "*) ;;
2322 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2323 esac
2324 case " $CFLAGS " in
2325 *" -g "* | *" -g3 "*) ;;
2326 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2327 esac
2328 fi
7f6ef0c0
PB		 2329fi
2330AC_SUBST(CFLAGS_FOR_TARGET)
2331
2332if test "x$CXXFLAGS_FOR_TARGET" = x; then
1b6c0831
L		 2333 if test "x${is_cross_compiler}" = xyes; then
2334 CXXFLAGS_FOR_TARGET="-g -O2"
2335 else
2336 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2337 case " $CXXFLAGS " in
2338 *" -O2 "*) ;;
2339 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2340 esac
2341 case " $CXXFLAGS " in
2342 *" -g "* | *" -g3 "*) ;;
2343 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2344 esac
2345 fi
7f6ef0c0
PB		 2346fi
2347AC_SUBST(CXXFLAGS_FOR_TARGET)
2348
91c1f14c
DK		 2349AC_SUBST(LDFLAGS_FOR_TARGET)
2350
9e07f89d
NN		 2351# Handle --with-headers=XXX. If the value is not "yes", the contents of
2352# the named directory are copied to $(tooldir)/sys-include.
2353if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2354 if test x${is_cross_compiler} = xno ; then
2355 echo 1>&2 '***' --with-headers is only supported when cross compiling
2356 exit 1
2357 fi
2358 if test x"${with_headers}" != xyes ; then
24ff9987 2359 x=${gcc_cv_tool_prefix}
c6b750e1 2360 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2361 fi
2362fi
2363
2364# Handle --with-libs=XXX. If the value is not "yes", the contents of
2365# the name directories are copied to $(tooldir)/lib. Multiple directories
2366# are permitted.
2367if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2368 if test x${is_cross_compiler} = xno ; then
2369 echo 1>&2 '***' --with-libs is only supported when cross compiling
2370 exit 1
2371 fi
2372 if test x"${with_libs}" != xyes ; then
2373 # Copy the libraries in reverse order, so that files in the first named
2374 # library override files in subsequent libraries.
24ff9987 2375 x=${gcc_cv_tool_prefix}
9e07f89d 2376 for l in ${with_libs}; do
c6b750e1 2377 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2378 done
2379 fi
2380fi
2381
700d40ca 2382# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2383#
2384# This is done by determining whether or not the appropriate directory
2385# is available, and by checking whether or not specific configurations
2386# have requested that this magic not happen.
7ec59b9e
L		 2387#
2388# The command line options always override the explicit settings in
136bb21f 2389# configure.ac, and the settings in configure.ac override this magic.
2429c060 2390#
7ec59b9e 2391# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2392# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2393# --without-gnu-ld options for the configure script. Similarly, if
2394# the default is to use the included zlib and you don't want to do that,
2395# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2396
2397if test x${use_gnu_as} = x &&
2398 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2399 with_gnu_as=yes
2400 extra_host_args="$extra_host_args --with-gnu-as"
2401fi
2402
2403if test x${use_gnu_ld} = x &&
93f9b408 2404 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2405 with_gnu_ld=yes
2406 extra_host_args="$extra_host_args --with-gnu-ld"
2407fi
2408
700d40ca
ILT		 2409if test x${use_included_zlib} = x &&
2410 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2411 :
2412else
2413 with_system_zlib=yes
2414 extra_host_args="$extra_host_args --with-system-zlib"
2415fi
2416
2429c060
PB		 2417# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2418# can detect this case.
2419
2420if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2421 with_newlib=yes
2422 extra_host_args="$extra_host_args --with-newlib"
2423fi
2424
9e07f89d
NN		 2425# Handle ${copy_dirs}
2426set fnord ${copy_dirs}
2427shift
2428while test $# != 0 ; do
2429 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2430 :
2431 else
2432 echo Copying $1 to $2
2433
2434 # Use the install script to create the directory and all required
2435 # parent directories.
2436 if test -d $2 ; then
2437 :
2438 else
2439 echo >config.temp
2440 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2441 fi
2442
2443 # Copy the directory, assuming we have tar.
2444 # FIXME: Should we use B in the second tar? Not all systems support it.
2445 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2446
2447 # It is the responsibility of the user to correctly adjust all
2448 # symlinks. If somebody can figure out how to handle them correctly
2449 # here, feel free to add the code.
2450
2451 echo $1 > $2/COPIED
2452 fi
2453 shift; shift
2454done
2455
2429c060
PB		 2456# Determine a target-dependent exec_prefix that the installed
2457# gcc will search in. Keep this list sorted by triplet, with
2458# the *-*-osname triplets last.
2459md_exec_prefix=
2460case "${target}" in
521ec477 2461 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2462 md_exec_prefix=/dev/env/DJDIR/bin
2463 ;;
2429c060 2464 *-*-hpux* | \
2429c060 2465 *-*-nto-qnx* | \
1f111696 2466 *-*-solaris2*)
2429c060
PB		 2467 md_exec_prefix=/usr/ccs/bin
2468 ;;
2469esac
2470
874e38b4
NN		 2471extra_arflags_for_target=
2472extra_nmflags_for_target=
1086bc09 2473extra_ranlibflags_for_target=
a0da8069 2474target_makefile_frag=/dev/null
f48556b1 2475case "${target}" in
77d7106f
AM		 2476 spu-*-*)
2477 target_makefile_frag="config/mt-spu"
2478 ;;
a9d58c06 2479 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2480 target_makefile_frag="config/mt-sde"
2481 ;;
f3b1e08e
RS		 2482 mipsisa*-*-elfoabi*)
2483 target_makefile_frag="config/mt-mips-elfoabi"
2484 ;;
e7c8859c
RS		 2485 mips*-*-*linux* | mips*-*-gnu*)
2486 target_makefile_frag="config/mt-mips-gnu"
2487 ;;
d9e042ac
SL		 2488 nios2-*-elf*)
2489 target_makefile_frag="config/mt-nios2-elf"
2490 ;;
bf41f30d
NC		 2491 *-*-linux-android*)
2492 target_makefile_frag="config/mt-android"
2493 ;;
29383458 2494 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2495 target_makefile_frag="config/mt-gnu"
f48556b1 2496 ;;
a0da8069 2497 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2498 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2499 # commands to handle both 32-bit and 64-bit objects. These flags are
2500 # harmless if we're using GNU nm or ar.
2501 extra_arflags_for_target=" -X32_64"
2502 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2503 ;;
b6f83f2a
DD		 2504esac
2505
a0da8069 2506alphaieee_frag=/dev/null
b6f83f2a
DD		 2507case $target in
2508 alpha*-*-*)
2509 # This just makes sure to use the -mieee option to build target libs.
2510 # This should probably be set individually by each library.
2511 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2512 ;;
2513esac
a0a2c6c6 2514
f48556b1
DD		 2515# If --enable-target-optspace always use -Os instead of -O2 to build
2516# the target libraries, similarly if it is not specified, use -Os
2517# on selected platforms.
a0da8069 2518ospace_frag=/dev/null
f48556b1
DD		 2519case "${enable_target_optspace}:${target}" in
2520 yes:*)
b6f83f2a 2521 ospace_frag="config/mt-ospace"
f48556b1
DD		 2522 ;;
2523 :d30v-*)
b6f83f2a 2524 ospace_frag="config/mt-d30v"
f48556b1 2525 ;;
16beab3d 2526 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
b6f83f2a 2527 ospace_frag="config/mt-ospace"
f48556b1
DD		 2528 ;;
2529 no:* | :*)
2530 ;;
2531 *)
2532 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2533 ;;
2534esac
252b5132 2535
a0da8069
NN		 2536# Some systems (e.g., one of the i386-aix systems the gas testers are
2537# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2538tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2539build_tooldir=${tooldir}
2540
a0da8069
NN		 2541# Create a .gdbinit file which runs the one in srcdir
2542# and tells GDB to look there for source files.
2543
2544if test -r ${srcdir}/.gdbinit ; then
2545 case ${srcdir} in
2546 .) ;;
2547 *) cat > ./.gdbinit <<EOF
2548# ${NO_EDIT}
2549dir ${srcdir}
2550dir .
2551source ${srcdir}/.gdbinit
2552EOF
2553 ;;
2554 esac
2555fi
2556
252b5132
RH		 2557# Make sure that the compiler is able to generate an executable. If it
2558# can't, we are probably in trouble. We don't care whether we can run the
2559# executable--we might be using a cross compiler--we only care whether it
2560# can be created. At this point the main configure script has set CC.
a0c4f3a0 2561we_are_ok=no
252b5132
RH		 2562echo "int main () { return 0; }" > conftest.c
2563${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2564if test $? = 0 ; then
2565 if test -s conftest || test -s conftest.exe ; then
2566 we_are_ok=yes
2567 fi
7ec59b9e 2568fi
a0c4f3a0
DD		 2569case $we_are_ok in
2570 no)
2571 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2572 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2573 rm -f conftest*
2574 exit 1
2575 ;;
2576esac
252b5132
RH		 2577rm -f conftest*
2578
3bbd2f8f 2579# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2580case "${host}" in
2581 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2582 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2583 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2584 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2585esac
8607b6c9 2586
3bbd2f8f 2587# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2588# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2589# built executables to PATH.
3bbd2f8f
AL		 2590if test "$RPATH_ENVVAR" = PATH; then
2591 GCC_SHLIB_SUBDIR=/shlib
2592else
2593 GCC_SHLIB_SUBDIR=
2594fi
2595
730af8ee 2596# Adjust the toplevel makefile according to whether bootstrap was selected.
2597case $enable_bootstrap in
2598 yes)
2599 bootstrap_suffix=bootstrap
2600 BUILD_CONFIG=bootstrap-debug
2601 ;;
2602 no)
2603 bootstrap_suffix=no-bootstrap
2604 BUILD_CONFIG=
2605 ;;
2606esac
2607
2608AC_MSG_CHECKING(for default BUILD_CONFIG)
2609
2610AC_ARG_WITH([build-config],
2611 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2612 [use config/NAME.mk build configuration])],
2613 [case $with_build_config in
2614 yes) with_build_config= ;;
2615 no) with_build_config= BUILD_CONFIG= ;;
2616 esac])
2617
2618if test "x${with_build_config}" != x; then
2619 BUILD_CONFIG=$with_build_config
2620else
2621 case $BUILD_CONFIG in
2622 bootstrap-debug)
2623 if echo "int f (void) { return 0; }" > conftest.c &&
2624 ${CC} -c conftest.c &&
2625 mv conftest.o conftest.o.g0 &&
2626 ${CC} -c -g conftest.c &&
2627 mv conftest.o conftest.o.g &&
2628 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2629 :
2630 else
2631 BUILD_CONFIG=
2632 fi
2633 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2634 ;;
2635 esac
2636fi
2637AC_MSG_RESULT($BUILD_CONFIG)
2638AC_SUBST(BUILD_CONFIG)
2639
2640# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2641AC_MSG_CHECKING([for --enable-vtable-verify])
2642AC_ARG_ENABLE(vtable-verify,
ce6c656d
L		 2643[AS_HELP_STRING([--enable-vtable-verify],
2644 [Enable vtable verification feature])],
730af8ee 2645[case "$enableval" in
2646 yes) enable_vtable_verify=yes ;;
2647 no) enable_vtable_verify=no ;;
2648 *) enable_vtable_verify=no;;
2649 esac],
2650[enable_vtable_verify=no])
2651AC_MSG_RESULT($enable_vtable_verify)
2652
3866be5d
NN		 2653# Record target_configdirs and the configure arguments for target and
2654# build configuration in Makefile.
2655target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2656build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2657bootstrap_fixincludes=no
930314a4 2658
2aa2364a
JR		 2659# If we are building libgomp, bootstrap it.
2660if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2661 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2662fi
2663
730af8ee 2664# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2665# or bootstrap-ubsan, bootstrap it.
2666if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2667 case "$BUILD_CONFIG" in
2668 *bootstrap-asan* | *bootstrap-ubsan* )
2669 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2670 bootstrap_fixincludes=yes
730af8ee 2671 ;;
2672 esac
5eb08693
L		 2673fi
2674
730af8ee 2675# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2676if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2677 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2678 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2679fi
2680
930314a4
NN		 2681# Determine whether gdb needs tk/tcl or not.
2682# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2683# and in that case we want gdb to be built without tk. Ugh!
2684# In fact I believe gdb is the *only* package directly dependent on tk,
2685# so we should be able to put the 'maybe's in unconditionally and
2686# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2687# 100% sure that that's safe though.
c180f501 2688
675c6968 2689gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2690case "$enable_gdbtk" in
2691 no)
2692 GDB_TK="" ;;
c180f501
AC		 2693 yes)
2694 GDB_TK="${gdb_tk}" ;;
930314a4 2695 *)
c180f501
AC		 2696 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2697 # distro. Eventually someone will fix this and move Insight, nee
2698 # gdbtk to a separate directory.
2699 if test -d ${srcdir}/gdb/gdbtk ; then
2700 GDB_TK="${gdb_tk}"
2701 else
2702 GDB_TK=""
2703 fi
2704 ;;
930314a4 2705esac
907be67c
DJ		 2706CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2707INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2708
6bd3dfaa 2709# Strip out unwanted targets.
dd12c3a8
NN		 2710
2711# While at that, we remove Makefiles if we were started for recursive
2712# configuration, so that the top-level Makefile reconfigures them,
2713# like we used to do when configure itself was recursive.
dd12c3a8 2714
06a51eac
RW		 2715# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2716# but now we're fixing up the Makefile ourselves with the additional
2717# commands passed to AC_CONFIG_FILES. Use separate variables
2718# extrasub-{build,host,target} not because there is any reason to split
2719# the substitutions up that way, but only to remain below the limit of
2720# 99 commands in a script, for HP-UX sed.
4119873a
AO		 2721
2722# Do not nest @if/@endif or @unless/@endunless pairs, because
2723# configure will not warn you at all.
dd12c3a8 2724
16b1ad29
RW		 2725case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2726 yes:yes:*\ gold\ *:*,c++,*) ;;
2727 yes:yes:*\ gold\ *:*)
2728 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2729 ;;
2730esac
2731
06a51eac 2732extrasub_build=
6a9cf61e 2733for module in ${build_configdirs} ; do
dd12c3a8
NN		 2734 if test -z "${no_recursion}" \
2735 && test -f ${build_subdir}/${module}/Makefile; then
2736 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2737 rm -f ${build_subdir}/${module}/Makefile
2738 fi
06a51eac 2739 extrasub_build="$extrasub_build
6bd3dfaa 2740/^@if build-$module\$/d
498d4a71 2741/^@endif build-$module\$/d
4119873a 2742/^@unless build-$module\$/,/^@endunless build-$module\$/d
498d4a71 2743/^@if build-$module-$bootstrap_suffix\$/d
4119873a
AO		 2744/^@endif build-$module-$bootstrap_suffix\$/d
2745/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2746done
06a51eac 2747extrasub_host=
dd12c3a8 2748for module in ${configdirs} ; do
80911fe1 2749 if test -z "${no_recursion}"; then
8cf39b1b 2750 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2751 if test -f ${file}; then
2752 echo 1>&2 "*** removing ${file} to force reconfigure"
2753 rm -f ${file}
2754 fi
2755 done
dd12c3a8 2756 fi
201f096f 2757 case ${module},${bootstrap_fixincludes} in
2758 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2759 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2760 esac
06a51eac 2761 extrasub_host="$extrasub_host
6bd3dfaa 2762/^@if $module\$/d
498d4a71 2763/^@endif $module\$/d
4119873a 2764/^@unless $module\$/,/^@endunless $module\$/d
201f096f 2765/^@if $module-$host_bootstrap_suffix\$/d
4119873a
AO		 2766/^@endif $module-$host_bootstrap_suffix\$/d
2767/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2768done
06a51eac 2769extrasub_target=
dd12c3a8
NN		 2770for module in ${target_configdirs} ; do
2771 if test -z "${no_recursion}" \
2772 && test -f ${target_subdir}/${module}/Makefile; then
2773 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2774 rm -f ${target_subdir}/${module}/Makefile
2775 fi
e8a5fa9c
RW		 2776
2777 # We only bootstrap target libraries listed in bootstrap_target_libs.
2778 case $bootstrap_target_libs in
2779 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2780 *) target_bootstrap_suffix=no-bootstrap ;;
2781 esac
2782
06a51eac 2783 extrasub_target="$extrasub_target
6bd3dfaa 2784/^@if target-$module\$/d
498d4a71 2785/^@endif target-$module\$/d
4119873a 2786/^@unless target-$module\$/,/^@endunless target-$module\$/d
e8a5fa9c 2787/^@if target-$module-$target_bootstrap_suffix\$/d
4119873a
AO		 2788/^@endif target-$module-$target_bootstrap_suffix\$/d
2789/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
930314a4 2790done
319cab08 2791
06a51eac
RW		 2792# Do the final fixup along with target modules.
2793extrasub_target="$extrasub_target
4119873a
AO		 2794/^@if /,/^@endif /d
2795/^@unless /d
2796/^@endunless /d"
930314a4 2797
a2cc058a
NN		 2798# Create the serialization dependencies. This uses a temporary file.
2799
e6bfb94a 2800AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2801[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2802 [force sequential configuration of
2803 sub-packages for the host, target or build
2804 machine, or all sub-packages])])
1047cb91
DD		 2805
2806case ${enable_serial_configure} in
2807 yes)
2808 enable_serial_build_configure=yes
2809 enable_serial_host_configure=yes
2810 enable_serial_target_configure=yes
2811 ;;
2812esac
e6bfb94a 2813
a2cc058a
NN		 2814# These force 'configure's to be done one at a time, to avoid problems
2815# with contention over a shared config.cache.
2816rm -f serdep.tmp
e6bfb94a 2817echo '# serdep.tmp' > serdep.tmp
a2cc058a 2818olditem=
1047cb91 2819test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2820for item in ${build_configdirs} ; do
2821 case ${olditem} in
2822 "") ;;
e6bfb94a 2823 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2824 esac
2825 olditem=${item}
2826done
2827olditem=
1047cb91 2828test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2829for item in ${configdirs} ; do
2830 case ${olditem} in
2831 "") ;;
e6bfb94a 2832 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2833 esac
2834 olditem=${item}
2835done
2836olditem=
1047cb91 2837test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2838for item in ${target_configdirs} ; do
2839 case ${olditem} in
2840 "") ;;
e6bfb94a 2841 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2842 esac
2843 olditem=${item}
2844done
a0da8069
NN		 2845serialization_dependencies=serdep.tmp
2846AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2847
e6bfb94a 2848# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2849# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2850# might not want to pass down to subconfigures. The exception being
2851# --cache-file=/dev/null, which is used to turn off the use of cache
2852# files altogether, and which should be passed on to subconfigures.
2853# Also strip program-prefix, program-suffix, and program-transform-name,
2854# so that we can pass down a consistent program-transform-name.
c6b750e1 2855baseargs=
65b4571a 2856tbaseargs=
c6b750e1
DJ		 2857keep_next=no
2858skip_next=no
2859eval "set -- $ac_configure_args"
b0aaa663
DJ		 2860for ac_arg
2861do
c6b750e1
DJ		 2862 if test X"$skip_next" = X"yes"; then
2863 skip_next=no
2864 continue
2865 fi
2866 if test X"$keep_next" = X"yes"; then
2867 case $ac_arg in
2868 *\'*)
2869 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2870 esac
2871 baseargs="$baseargs '$ac_arg'"
65b4571a 2872 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2873 keep_next=no
2874 continue
2875 fi
2876
2877 # Handle separated arguments. Based on the logic generated by
2878 # autoconf 2.59.
2879 case $ac_arg in
2880 *=* | --config-cache | -C | -disable-* | --disable-* \
2881 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2882 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2883 | -with-* | --with-* | -without-* | --without-* | --x)
2884 separate_arg=no
2885 ;;
2886 -*)
2887 separate_arg=yes
2888 ;;
2889 *)
2890 separate_arg=no
2891 ;;
2892 esac
2893
65b4571a
AO		 2894 skip_targ=no
2895 case $ac_arg in
2896changequote(,)
2897 --with-* | --without-*)
2898 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2899
2900 case $libopt in
2901 *[-_]include)
2902 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2903 ;;
2904 *[-_]lib)
2905 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2906 ;;
2907 *)
2908 lib=$libopt
2909 ;;
2910 esac
2911changequote([,])
2912
2913 case $lib in
1b6c0831 2914 mpc | mpfr | gmp | isl)
65b4571a
AO		 2915 # If we're processing --with-$lib, --with-$lib-include or
2916 # --with-$lib-lib, for one of the libs above, and target is
2917 # different from host, don't pass the current argument to any
2918 # target library's configure.
2919 if test x$is_cross_compiler = xyes; then
2920 skip_targ=yes
2921 fi
2922 ;;
2923 esac
2924 ;;
2925 esac
2926
c6b750e1 2927 case "$ac_arg" in
30167e0a
NC		 2928 --cache-file=/dev/null | \
2929 -cache-file=/dev/null )
2930 # Handled here to avoid the test to skip args below.
2931 baseargs="$baseargs '$ac_arg'"
65b4571a 2932 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2933 # Assert: $separate_arg should always be no.
2934 keep_next=$separate_arg
2935 ;;
c6b750e1
DJ		 2936 --no*)
2937 continue
2938 ;;
2939 --c* | \
2940 --sr* | \
2941 --ho* | \
2942 --bu* | \
2943 --t* | \
2944 --program-* | \
2945 -cache_file* | \
2946 -srcdir* | \
2947 -host* | \
2948 -build* | \
2949 -target* | \
2950 -program-prefix* | \
2951 -program-suffix* | \
2952 -program-transform-name* )
2953 skip_next=$separate_arg
2954 continue
2955 ;;
2956 -*)
2957 # An option. Add it.
2958 case $ac_arg in
2959 *\'*)
2960 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2961 esac
2962 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2963 if test X"$skip_targ" = Xno; then
2964 tbaseargs="$tbaseargs '$ac_arg'"
2965 fi
c6b750e1
DJ		 2966 keep_next=$separate_arg
2967 ;;
2968 *)
2969 # Either a variable assignment, or a nonopt (triplet). Don't
2970 # pass it down; let the Makefile handle this.
2971 continue
2972 ;;
2973 esac
2974done
2975# Remove the initial space we just introduced and, as these will be
2976# expanded by make, quote '$'.
2977baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2978
f27d4f92
DJ		 2979# Add in --program-transform-name, after --program-prefix and
2980# --program-suffix have been applied to it. Autoconf has already
2981# doubled dollar signs and backslashes in program_transform_name; we want
2982# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2983# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2984# Also, because we want to override the logic in subdir configure scripts to
2985# choose program_transform_name, replace any s,x,x, with s,y,y,.
2986sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2987${program_transform_name}
2988EOF_SED
2989gcc_transform_name=`cat conftestsed.out`
2990rm -f conftestsed.out
2991baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2992tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2993if test "$silent" = yes; then
2994 baseargs="$baseargs --silent"
65b4571a 2995 tbaseargs="$tbaseargs --silent"
2444379b 2996fi
34a0f3cf 2997baseargs="$baseargs --disable-option-checking"
65b4571a 2998tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2999
4074d5f2
RW		 3000# Record and document user additions to sub configure arguments.
3001AC_ARG_VAR([build_configargs],
3002 [additional configure arguments for build directories])
3003AC_ARG_VAR([host_configargs],
3004 [additional configure arguments for host directories])
3005AC_ARG_VAR([target_configargs],
3006 [additional configure arguments for target directories])
3007
49b7683b
DD		 3008# For the build-side libraries, we just need to pretend we're native,
3009# and not use the same cache file. Multilibs are neither needed nor
1b6c0831
L		 3010# desired. We can't even use the same cache file for all build-side
3011# libraries, as they're compiled differently; some with C, some with
3012# C++ or with different feature-enabling options.
3013build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
91e060aa 3014
ae831be5
NN		 3015# For host modules, accept cache file option, or specification as blank.
3016case "${cache_file}" in
3017"") # empty
3018 cache_file_option="" ;;
a0da8069 3019/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 3020 cache_file_option="--cache-file=${cache_file}" ;;
3021*) # relative path
3022 cache_file_option="--cache-file=../${cache_file}" ;;
3023esac
3024
82252c06
NN		 3025# Host dirs don't like to share a cache file either, horribly enough.
3026# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 3027host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 3028
65b4571a 3029target_configargs="$target_configargs ${tbaseargs}"
49b7683b 3030
252b5132
RH		 3031# Passing a --with-cross-host argument lets the target libraries know
3032# whether they are being built with a cross-compiler or being built
3033# native. However, it would be better to use other mechanisms to make the
3034# sorts of decisions they want to make on this basis. Please consider
3035# this option to be deprecated. FIXME.
a0c4f3a0 3036if test x${is_cross_compiler} = xyes ; then
c6b750e1 3037 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 3038fi
3039
afc0578d 3040# Special user-friendly check for native x86_64-linux build, if
3041# multilib is not explicitly enabled.
3042case "$target:$have_compiler:$host:$target:$enable_multilib" in
3043 x86_64-*linux*:yes:$build:$build:)
ce6c656d 3044 # Make sure we have a development environment that handles 32-bit
afc0578d 3045 dev64=no
3046 echo "int main () { return 0; }" > conftest.c
3047 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3048 if test $? = 0 ; then
3049 if test -s conftest || test -s conftest.exe ; then
3050 dev64=yes
3051 fi
3052 fi
3053 rm -f conftest*
3054 if test x${dev64} != xyes ; then
ce6c656d 3055 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 3056 fi
3057 ;;
3058esac
3059
938d2b74
RW		 3060# Default to --enable-multilib.
3061if test x${enable_multilib} = x ; then
a0da8069 3062 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 3063fi
252b5132
RH		 3064
3065# Pass --with-newlib if appropriate. Note that target_configdirs has
3066# changed from the earlier setting of with_newlib.
a0c4f3a0 3067if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 3068 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 3069fi
3070
95036d20
NN		 3071# Different target subdirs use different values of certain variables
3072# (notably CXX). Worse, multilibs use *lots* of different values.
3073# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3074# it doesn't automatically accept command-line overrides of them.
3075# This means it's not safe for target subdirs to share a cache file,
3076# which is disgusting, but there you have it. Hopefully this can be
3077# fixed in future. It's still worthwhile to use a cache file for each
3078# directory. I think.
3079
ae380b45
MS		 3080# Pass the appropriate --build, --host, --target and --cache-file arguments.
3081# We need to pass --target, as newer autoconf's requires consistency
3082# for target_alias and gcc doesn't manage it consistently.
4b900473 3083target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 3084
9e449d3e 3085FLAGS_FOR_TARGET=
7c1f909c 3086case " $target_configdirs " in
75205f78 3087 *" newlib "*)
a0da8069 3088 case " $target_configargs " in
75205f78 3089 *" --with-newlib "*)
9e449d3e 3090 case "$target" in
1f53ca9a 3091 *-cygwin*)
6d94c122 3092 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 3093 ;;
9e449d3e
AO		 3094 esac
3095
7450026c 3096 # If we're not building GCC, don't discard standard headers.
4d5fd396 3097 if test -d ${srcdir}/gcc; then
63266560 3098 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 3099
3100 if test "${build}" != "${host}"; then
3101 # On Canadian crosses, CC_FOR_TARGET will have already been set
3102 # by `configure', so we won't have an opportunity to add -Bgcc/
3103 # to it. This is right: we don't want to search that directory
3104 # for binaries, but we want the header files in there, so add
3105 # them explicitly.
e552509b 3106 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 3107
3108 # Someone might think of using the pre-installed headers on
3109 # Canadian crosses, in case the installed compiler is not fully
3110 # compatible with the compiler being built. In this case, it
3111 # would be better to flag an error than risking having
3112 # incompatible object files being constructed. We can't
3113 # guarantee that an error will be flagged, but let's hope the
3114 # compiler will do it, when presented with incompatible header
3115 # files.
3116 fi
63266560
DD		 3117 fi
3118
0a0d0041 3119 case "${target}-${is_cross_compiler}" in
ec11bdc6 3120 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3121 # Here host == target, so we don't need to build gcc,
3122 # so we don't want to discard standard headers.
3123 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3124 ;;
3125 *)
3126 # If we're building newlib, use its generic headers last, but search
3127 # for any libc-related directories first (so make it the last -B
3128 # switch).
3129 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3130
3131 # If we're building libgloss, find the startup file, simulator library
3132 # and linker script.
3133 case " $target_configdirs " in
3134 *" libgloss "*)
3135 # Look for startup file, simulator library and maybe linker script.
3136 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3137 # Look for libnosys.a in case the target needs it.
3138 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3139 # Most targets have the linker script in the source directory.
3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3141 ;;
3142 esac
0a0d0041
TF		 3143 ;;
3144 esac
9e449d3e 3145 ;;
75205f78
DD		 3146 esac
3147 ;;
9e449d3e 3148esac
1f53ca9a 3149
45055374 3150case "$target" in
1f53ca9a
AO		 3151 x86_64-*mingw* | *-w64-mingw*)
3152 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3153 # however, use a symlink named 'mingw' in ${prefix} .
3154 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3155 ;;
3156 *-mingw*)
3157 # MinGW can't be handled as Cygwin above since it does not use newlib.
3158 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3159 ;;
45055374 3160esac
63266560 3161
5fbad20a
DD		 3162# Allow the user to override the flags for
3163# our build compiler if desired.
c66487f8
NC		 3164if test x"${build}" = x"${host}" ; then
3165 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3166 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3167 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3168fi
5fbad20a 3169
63266560
DD		 3170# On Canadian crosses, we'll be searching the right directories for
3171# the previously-installed cross compiler, so don't bother to add
3172# flags for directories within the install tree of the compiler
3173# being built; programs in there won't even run.
4d5fd396 3174if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3175 # Search for pre-installed headers if nothing else fits.
bba45b8b 3176 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3177fi
63266560 3178
7c1f909c 3179if test "x${use_gnu_ld}" = x &&
f48556b1 3180 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3181 # Arrange for us to find uninstalled linker scripts.
b00612cc 3182 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3183fi
3184
a481dbb7
DD		 3185# Search for other target-specific linker scripts and such.
3186case "${target}" in
4e206d7e
DB		 3187 mep*)
3188 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3189 ;;
3190esac
3191
a0da8069 3192# Makefile fragments.
3e707e94
PB		 3193for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3194do
3195 eval fragval=\$$frag
3196 if test $fragval != /dev/null; then
3197 eval $frag=${srcdir}/$fragval
3198 fi
3199done
a0da8069
NN		 3200AC_SUBST_FILE(host_makefile_frag)
3201AC_SUBST_FILE(target_makefile_frag)
3202AC_SUBST_FILE(alphaieee_frag)
3203AC_SUBST_FILE(ospace_frag)
3204
3205# Miscellanea: directories, flags, etc.
a0da8069 3206AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3207AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3208AC_SUBST(tooldir)
3209AC_SUBST(build_tooldir)
907be67c 3210AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3211AC_SUBST(GDB_TK)
907be67c 3212AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3213
3214# Build module lists & subconfigure args.
a0da8069 3215AC_SUBST(build_configargs)
6a9cf61e 3216AC_SUBST(build_configdirs)
a0da8069
NN		 3217
3218# Host module lists & subconfigure args.
3219AC_SUBST(host_configargs)
3220AC_SUBST(configdirs)
911e63d0 3221AC_SUBST(target_configdirs)
a0da8069
NN		 3222
3223# Target module lists & subconfigure args.
a0da8069 3224AC_SUBST(target_configargs)
a6df5a19 3225
a0da8069
NN		 3226
3227# Build tools.
b5714970
PB		 3228AC_SUBST(AR_FOR_BUILD)
3229AC_SUBST(AS_FOR_BUILD)
a0da8069 3230AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3231AC_SUBST(CFLAGS_FOR_BUILD)
3232AC_SUBST(CXXFLAGS_FOR_BUILD)
3233AC_SUBST(CXX_FOR_BUILD)
3234AC_SUBST(DLLTOOL_FOR_BUILD)
b5714970 3235AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3236AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3237AC_SUBST(LDFLAGS_FOR_BUILD)
3238AC_SUBST(LD_FOR_BUILD)
3239AC_SUBST(NM_FOR_BUILD)
3240AC_SUBST(RANLIB_FOR_BUILD)
3241AC_SUBST(WINDMC_FOR_BUILD)
3242AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3243
be01d343
PB		 3244# Generate default definitions for YACC, M4, LEX and other programs that run
3245# on the build machine. These are used if the Makefile can't locate these
3246# programs in objdir.
3247MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3248
3249AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3250case " $build_configdirs " in
3251 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3252esac
3253
3254AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3255case " $build_configdirs " in
3256 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3257esac
3258
3259AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3260case " $build_configdirs " in
3261 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3262esac
3263
3264AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3265case " $build_configdirs " in
3266 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3267 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3268esac
3269
3270AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3271case " $build_configdirs " in
3272 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3273esac
3274
3275AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3276case " $build_configdirs " in
3277 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3278 *)
3279changequote(,)
10ad8ef3 3280 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3281 # higher, else we use the "missing" dummy.
3282 if ${MAKEINFO} --version \
10ad8ef3 3283 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3284 :
3285 else
3286 MAKEINFO="$MISSING makeinfo"
3287 fi
3288 ;;
3289changequote([,])
3290esac
3291
3292# FIXME: expect and dejagnu may become build tools?
3293
3294AC_CHECK_PROGS(EXPECT, expect, expect)
3295case " $configdirs " in
3296 *" expect "*)
3297 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3298 ;;
3299esac
3300
3301AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3302case " $configdirs " in
3303 *" dejagnu "*)
6b89cc21 3304 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3305 ;;
3306esac
3307
3308
a0da8069 3309# Host tools.
05cbd757
PB		 3310NCN_STRICT_CHECK_TOOLS(AR, ar)
3311NCN_STRICT_CHECK_TOOLS(AS, as)
3312NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3313NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3314NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3315NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3316NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3317NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3318NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3319NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3320NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3321NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3322NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3323AC_SUBST(CC)
3324AC_SUBST(CXX)
3325AC_SUBST(CFLAGS)
3326AC_SUBST(CXXFLAGS)
a0da8069 3327
be01d343 3328# Target tools.
7ec59b9e 3329AC_ARG_WITH([build-time-tools],
7837304f
AS		 3330 [AS_HELP_STRING([--with-build-time-tools=PATH],
3331 [use given path to find target tools during the build])],
2429c060
PB		 3332 [case x"$withval" in
3333 x/*) ;;
3334 *)
3335 with_build_time_tools=
3336 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3337 ;;
3338 esac],
3339 [with_build_time_tools=])
3340
05cbd757
PB		 3341NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3342NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757 3343NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
05cbd757 3344NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3345NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3346
3347ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3348ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3349ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3350ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3351ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3352ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3353ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3354ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3355ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3356ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3357ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3358ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3359ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3360
be01d343
PB		 3361RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3362
3363GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3364GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3365GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3366dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3367GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3368 [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		 3369 c++)
3370GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3371 [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		 3372 c++)
3373GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3374GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
be01d343
PB		 3375GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3376 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3377GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3378 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3379GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3380GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3381GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
1b6c0831 3382GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
be01d343
PB		 3383GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3384GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3385GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3386GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3387GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3388GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3389
be01d343 3390AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3391AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3392
a0da8069
NN		 3393# Certain tools may need extra flags.
3394AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3395RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3396NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3397
be01d343
PB		 3398# When building target libraries, except in a Canadian cross, we use
3399# the same toolchain as the compiler we just built.
3400COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3401COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3402COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3403if test $host = $build; then
3404 case " $configdirs " in
3405 *" gcc "*)
3406 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3407 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3408 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3409 ;;
3410 esac
3411fi
3412
3413AC_SUBST(COMPILER_AS_FOR_TARGET)
3414AC_SUBST(COMPILER_LD_FOR_TARGET)
3415AC_SUBST(COMPILER_NM_FOR_TARGET)
3416
6b784d9f
AO		 3417AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3418AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3419[AS_HELP_STRING([--enable-maintainer-mode],
3420 [enable make rules and dependencies not useful
3421 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3422 USE_MAINTAINER_MODE=$enableval,
3423 USE_MAINTAINER_MODE=no)
3424AC_MSG_RESULT($USE_MAINTAINER_MODE)
3425AC_SUBST(MAINTAINER_MODE_TRUE)
3426AC_SUBST(MAINTAINER_MODE_FALSE)
3427if test "$USE_MAINTAINER_MODE" = yes; then
3428 MAINTAINER_MODE_TRUE=
3429 MAINTAINER_MODE_FALSE='#'
3430else
3431 MAINTAINER_MODE_TRUE='#'
3432 MAINTAINER_MODE_FALSE=
7ec59b9e 3433fi
6b784d9f
AO		 3434MAINT=$MAINTAINER_MODE_TRUE
3435AC_SUBST(MAINT)dnl
3436
1d39f329
NN		 3437# ---------------------
3438# GCC bootstrap support
3439# ---------------------
3440
3441# Stage specific cflags for build.
3442stage1_cflags="-g"
3443case $build in
3444 vax-*-*)
3445 case ${GCC} in
3446 yes) stage1_cflags="-g -Wa,-J" ;;
3447 *) stage1_cflags="-g -J" ;;
3448 esac ;;
1d39f329 3449esac
1d89b610 3450
1d39f329
NN		 3451AC_SUBST(stage1_cflags)
3452
8a0d8a5c
PB		 3453# Enable --enable-checking in stage1 of the compiler.
3454AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3455[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3456 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3457[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3458[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
ce6c656d
L		 3459 # For --disable-checking or implicit --enable-checking=release, avoid
3460 # setting --enable-checking=gc in the default stage1 checking for LTO
3461 # bootstraps. See PR62077.
ce6c656d
L		 3462 case $BUILD_CONFIG in
3463 *lto*)
05a13254
NC		 3464 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3465 *)
3466 stage1_checking=--enable-checking=yes,types;;
ce6c656d 3467 esac
05a13254
NC		 3468 if test "x$enable_checking" = x && \
3469 test -d ${srcdir}/gcc && \
3470 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3471 stage1_checking=--enable-checking=yes,types,extra
3472 fi
8a0d8a5c 3473else
5566c1fa 3474 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3475fi])
3476AC_SUBST(stage1_checking)
3477
1d39f329 3478# Enable -Werror in bootstrap stage2 and later.
1d39f329 3479AC_ARG_ENABLE(werror,
7837304f 3480[AS_HELP_STRING([--enable-werror],
bf41f30d
NC		 3481 [enable -Werror in bootstrap stage2 and later])],
3482[
1a6f2dc7
NN		 3483case ${enable_werror} in
3484 yes) stage2_werror_flag="--enable-werror-always" ;;
3485 *) stage2_werror_flag="" ;;
1d39f329 3486esac
bf41f30d
NC		 3487],
3488[
3489if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3490 case $BUILD_CONFIG in
3491 bootstrap-debug)
3492 stage2_werror_flag="--enable-werror-always" ;;
3493 "")
3494 stage2_werror_flag="--enable-werror-always" ;;
1b6c0831
L		 3495 esac
3496fi
bf41f30d
NC		 3497])
3498
3499AC_SUBST(stage2_werror_flag)
1b6c0831 3500
e8a5fa9c
RW		 3501# Specify what files to not compare during bootstrap.
3502
3503compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3504case "$target" in
3505 hppa*64*-*-hpux*) ;;
bf41f30d 3506 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
1488e230 3507 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3508esac
3509AC_SUBST(compare_exclusions)
3510
06a51eac
RW		 3511AC_CONFIG_FILES([Makefile],
3512 [sed "$extrasub_build" Makefile |
3513 sed "$extrasub_host" |
3514 sed "$extrasub_target" > mf$$
3515 mv -f mf$$ Makefile],
3516 [extrasub_build="$extrasub_build"
3517 extrasub_host="$extrasub_host"
3518 extrasub_target="$extrasub_target"])
3519AC_OUTPUT
Empty description
This page took 2.217008 seconds and 4 git commands to generate.