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beeaf216 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
ec8fd1c0 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
98e5be21 3# 2014, 2015, 2016, 2019 Free Software Foundation, Inc.
6599da04
JM		 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
309c24a9 7# the Free Software Foundation; either version 3 of the License, or
6599da04
JM		 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
309c24a9
JJ		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
6599da04
JM		 18
19##############################################################################
671aa708
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
7142fb32
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
38d24731 24m4_include(config/proginstall.m4)
7413962d 25m4_include(config/elf.m4)
592c90ff
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
33ad93b9 31m4_include([config/isl.m4])
ad6717df 32
671aa708 33AC_INIT(move-if-change)
0115d4a3 34AC_DISABLE_OPTION_CHECKING
1c710c3c 35
ad33ff57
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
1c710c3c
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
671aa708
NN		 78AC_CANONICAL_SYSTEM
79AC_ARG_PROGRAM
80
1c710c3c 81m4_pattern_allow([^AS_FOR_TARGET$])dnl
0999159b 82m4_pattern_allow([^AS_FOR_BUILD$])dnl
1c710c3c 83
775956d0
NN		 84# Get 'install' or 'install-sh' and its variants.
85AC_PROG_INSTALL
ad6717df 86ACX_PROG_LN
148907ea 87AC_PROG_LN_S
87264276
PB		 88AC_PROG_SED
89AC_PROG_AWK
775956d0 90
fc45f3fe
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
671aa708
NN		 99# Set srcdir to "." if that's what it is.
100# This is important for multilib support.
101pwd=`${PWDCMD-pwd}`
671aa708
NN		 102if test "${pwd}" = "${srcpwd}" ; then
103 srcdir=.
104fi
105
106topsrcdir=$srcpwd
6599da04 107
4977bab6 108extra_host_args=
afabd8e6 109
6599da04
JM		 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
4977bab6
ZW		 112### (library or tools, host or target), doing a dependency sort.
113
114# Subdirs will be configured in the order listed in build_configdirs,
115# configdirs, or target_configdirs; see the serialization section below.
116
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
119# the Makefile, whether or not it's implicitly specified here.
6599da04 120
4977bab6
ZW		 121# Double entries in build_configdirs, configdirs, or target_configdirs may
122# cause circular dependencies and break everything horribly.
6599da04 123
23f6b2f9
PB		 124# these library is used by various programs built for the build
125# environment
126#
929315a9 127build_libs="build-libiberty build-libcpp"
23f6b2f9
PB		 128
129# these tools are built for the build environment
85bfb75e 130build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
23f6b2f9 131
6599da04 132# these libraries are used by various programs built for the host environment
eae1a5d4 133#f
de6abd85 134host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
6599da04 135
6599da04
JM		 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.
4977bab6
ZW		 139# binutils, gas and ld appear in that order because it makes sense to run
140# "make check" in that particular order.
38e3d868 141# If --enable-gold is used, "gold" may replace "ld".
f9d09df0 142host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
5d4a5ee6 143
6599da04
JM		 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)
8499116a 146# Note that libiberty is not a target library.
291f172e 147target_libraries="target-libgcc \
eff02e4f 148 target-libbacktrace \
5d4a5ee6
JL		 149 target-libgloss \
150 target-newlib \
6d3b5aea 151 target-libgomp \
5f520819 152 target-liboffloadmic \
5fd1486c 153 target-libhsail-rt \
48310492 154 target-libatomic \
0a35513e 155 target-libitm \
cb543528 156 target-libstdc++-v3 \
f35db108 157 target-libsanitizer \
2077db1b 158 target-libvtv \
77008252 159 target-libssp \
1ec601bf 160 target-libquadmath \
6de9cd9a 161 target-libgfortran \
012447ea 162 target-libffi \
d9cdb878 163 target-libobjc \
632e2a07 164 target-libada \
b4c522fa 165 target-libgo \
bb50312e
IB		 166 target-libphobos \
167 target-zlib"
6599da04 168
4dbda6f0
NN		 169# these tools are built using the target libraries, and are intended to
170# run only in the target environment
6599da04 171#
4dbda6f0 172# note: any program that *uses* libraries that are in the "target_libraries"
1bcce263 173# list belongs in this list.
6599da04 174#
85bfb75e 175target_tools="target-rda"
6599da04
JM		 176
177################################################################################
178
6599da04
JM		 179## All tools belong in one of the four categories, and are assigned above
180## We assign ${configdirs} this way to remove all embedded newlines. This
181## is important because configure will choke if they ever get through.
182## ${configdirs} is directories we build using the host tools.
183## ${target_configdirs} is directories we build using the target tools.
6599da04 184configdirs=`echo ${host_libs} ${host_tools}`
4dbda6f0 185target_configdirs=`echo ${target_libraries} ${target_tools}`
71b5d516 186build_configdirs=`echo ${build_libs} ${build_tools}`
8b87bb96 187
ac9e6043 188m4_divert_text([PARSE_ARGS],
87841584
AM		 189[case $srcdir in
190 *" "*)
191m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193m4_popdef([AS_MESSAGE_LOG_FD])dnl
194 ;;
195esac
196ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
ac9e6043
RW		 197])
198
6599da04
JM		 199################################################################################
200
6599da04
JM		 201srcname="gnu development package"
202
203# This gets set non-empty for some net releases of packages.
204appdirs=""
205
e1848dde
NN		 206# Define is_cross_compiler to save on calls to 'test'.
207is_cross_compiler=
208if test x"${host}" = x"${target}" ; then
209 is_cross_compiler=no
210else
211 is_cross_compiler=yes
212fi
213
b4acb5ef 214# Find the build and target subdir names.
8b87bb96 215GCC_TOPLEV_SUBDIRS
0db770bd
RW		 216# Be sure to cover against remnants of an in-tree build.
217if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219Use a pristine source tree when building in a separate tree])
220fi
f653f0ab 221
55380b08
NN		 222# Skipdirs are removed silently.
223skipdirs=
224# Noconfigdirs are removed loudly.
225noconfigdirs=""
6599da04 226
55380b08
NN		 227use_gnu_ld=
228# Make sure we don't let GNU ld be added if we didn't want it.
229if test x$with_gnu_ld = xno ; then
230 use_gnu_ld=no
5afab7ad 231 noconfigdirs="$noconfigdirs ld gold"
6599da04
JM		 232fi
233
55380b08
NN		 234use_gnu_as=
235# Make sure we don't let GNU as be added if we didn't want it.
236if test x$with_gnu_as = xno ; then
237 use_gnu_as=no
238 noconfigdirs="$noconfigdirs gas"
6599da04
JM		 239fi
240
d7f09764 241use_included_zlib=
a05c2c75
L		 242AC_ARG_WITH(system-zlib,
243[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
d7f09764
DN		 244# Make sure we don't let ZLIB be added if we didn't want it.
245if test x$with_system_zlib = xyes ; then
246 use_included_zlib=no
247 noconfigdirs="$noconfigdirs zlib"
248fi
249
55380b08
NN		 250# some tools are so dependent upon X11 that if we're not building with X,
251# it's not even worth trying to configure, much less build, that tool.
6599da04 252
55380b08
NN		 253case ${with_x} in
254 yes | "") ;; # the default value for this tree is that X11 is available
423ce3eb 255 no)
b4f96efe 256 skipdirs="${skipdirs} tk itcl libgui"
423ce3eb
NN		 257 # We won't be able to build gdbtk without X.
258 enable_gdbtk=no
259 ;;
55380b08
NN		 260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261esac
6599da04 262
1bcce263 263# Some are only suitable for cross toolchains.
95ddd785
NN		 264# Remove these if host=target.
265cross_only="target-libgloss target-newlib target-opcodes"
6599da04 266
55380b08
NN		 267case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
55380b08 269esac
6599da04 270
0c639b89
DD		 271# If both --with-headers and --with-libs are specified, default to
272# --without-newlib.
9082a750
MR		 273if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
0c639b89
DD		 275 if test x"${with_newlib}" = x ; then
276 with_newlib=no
277 fi
278fi
279
280# Recognize --with-newlib/--without-newlib.
281case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284esac
285
85c64bbe
BS		 286AC_ARG_ENABLE(as-accelerator-for,
287[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
288 [build as offload target compiler.
4b4f2e35 289 Specify offload host triple by ARG])])
85c64bbe
BS		 290
291AC_ARG_ENABLE(offload-targets,
292[AS_HELP_STRING([--enable-offload-targets=LIST],
293 [enable offloading to devices from comma-separated LIST of
294 TARGET[=DIR]. Use optional path to find offload target compiler
295 during the build])],
296[
297 if test x"$enable_offload_targets" = x; then
298 AC_MSG_ERROR([no offload targets specified])
299 fi
300], [enable_offload_targets=])
301
21539e2e
MK		 302# Handle --enable-gold, --enable-ld.
303# --disable-gold [--enable-ld]
304# Build only ld. Default option.
9580395f
L		 305# --enable-gold [--enable-ld]
306# Build both gold and ld. Install gold as "ld.gold", install ld
307# as "ld.bfd" and "ld".
308# --enable-gold=default [--enable-ld]
21539e2e
MK		 309# Build both gold and ld. Install gold as "ld.gold" and "ld",
310# install ld as "ld.bfd".
311# --enable-gold[=default] --disable-ld
312# Build only gold, which is then installed as both "ld.gold" and "ld".
313# --enable-gold --enable-ld=default
9580395f
L		 314# Build both gold (installed as "ld.gold") and ld (installed as "ld"
315# and ld.bfd).
21539e2e
MK		 316# In other words, ld is default
317# --enable-gold=default --enable-ld=default
318# Error.
319
320default_ld=
5afab7ad 321AC_ARG_ENABLE(gold,
33e39b66
AS		 322[AS_HELP_STRING([[--enable-gold[=ARG]]],
323 [build gold @<:@ARG={default,yes,no}@:>@])],
5afab7ad
ILT		 324ENABLE_GOLD=$enableval,
325ENABLE_GOLD=no)
21539e2e
MK		 326case "${ENABLE_GOLD}" in
327 yes|default)
38e3d868
RM		 328 # Check for ELF target.
329 is_elf=no
330 case "${target}" in
331 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
0e76460f 332 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
8c6d158a 333 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
ff4b7a7e 334 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
38e3d868
RM		 335 case "${target}" in
336 *-*-linux*aout* | *-*-linux*oldld*)
337 ;;
338 *)
339 is_elf=yes
340 ;;
341 esac
342 esac
343
344 if test "$is_elf" = "yes"; then
345 # Check for target supported by gold.
5afab7ad 346 case "${target}" in
7705dfd1 347 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
1b858e76 348 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
21539e2e
MK		 349 configdirs="$configdirs gold"
350 if test x${ENABLE_GOLD} = xdefault; then
351 default_ld=gold
352 fi
38e3d868 353 ENABLE_GOLD=yes
5afab7ad
ILT		 354 ;;
355 esac
38e3d868
RM		 356 fi
357 ;;
358 no)
359 ;;
360 *)
361 AC_MSG_ERROR([invalid --enable-gold argument])
362 ;;
21539e2e
MK		 363esac
364
365AC_ARG_ENABLE(ld,
33e39b66
AS		 366[AS_HELP_STRING([[--enable-ld[=ARG]]],
367 [build ld @<:@ARG={default,yes,no}@:>@])],
21539e2e
MK		 368ENABLE_LD=$enableval,
369ENABLE_LD=yes)
370
371case "${ENABLE_LD}" in
372 default)
9580395f 373 if test x${default_ld} != x; then
21539e2e
MK		 374 AC_MSG_ERROR([either gold or ld can be the default ld])
375 fi
376 ;;
377 yes)
378 ;;
379 no)
380 if test x${ENABLE_GOLD} != xyes; then
381 AC_MSG_WARN([neither ld nor gold are enabled])
382 fi
383 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
384 ;;
385 *)
386 AC_MSG_ERROR([invalid --enable-ld argument])
387 ;;
388esac
5afab7ad 389
78edb32f
L		 390# PR gas/19109
391# Decide the default method for compressing debug sections.
392# Provide a configure time option to override our default.
393AC_ARG_ENABLE(compressed_debug_sections,
324402a0 394[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
78edb32f
L		 395 [Enable compressed debug sections for gas, gold or ld by
396 default])],
397[
398 if test x"$enable_compressed_debug_sections" = xyes; then
399 AC_MSG_ERROR([no program with compressed debug sections specified])
400 fi
401], [enable_compressed_debug_sections=])
402
6599da04
JM		 403# Configure extra directories which are host specific
404
405case "${host}" in
55380b08 406 *-cygwin*)
4977bab6 407 configdirs="$configdirs libtermcap" ;;
6599da04
JM		 408esac
409
4fab7234
HPN		 410# A target can indicate whether a language isn't supported for some reason.
411# Only spaces may be used in this macro; not newlines or tabs.
412unsupported_languages=
413
6599da04
JM		 414# Remove more programs from consideration, based on the host or
415# target this usually means that a port of the program doesn't
416# exist yet.
417
6599da04 418case "${host}" in
111eeb6e 419 i[[3456789]]86-*-msdosdjgpp*)
c9bdb152 420 noconfigdirs="$noconfigdirs tcl tk itcl"
5d4a5ee6 421 ;;
6599da04
JM		 422esac
423
6de9cd9a 424
87e6d9dc
TB		 425AC_ARG_ENABLE(libquadmath,
426AS_HELP_STRING([--disable-libquadmath],
427 [do not build libquadmath directory]),
428ENABLE_LIBQUADMATH=$enableval,
429ENABLE_LIBQUADMATH=yes)
430if test "${ENABLE_LIBQUADMATH}" = "no" ; then
431 noconfigdirs="$noconfigdirs target-libquadmath"
432fi
433
434
435AC_ARG_ENABLE(libquadmath-support,
436AS_HELP_STRING([--disable-libquadmath-support],
437 [disable libquadmath support for Fortran]),
438ENABLE_LIBQUADMATH_SUPPORT=$enableval,
439ENABLE_LIBQUADMATH_SUPPORT=yes)
440enable_libquadmath_support=
441if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
442 enable_libquadmath_support=no
443fi
444
445
d9cdb878 446AC_ARG_ENABLE(libada,
33e39b66 447[AS_HELP_STRING([--enable-libada], [build libada directory])],
d9cdb878
AC		 448ENABLE_LIBADA=$enableval,
449ENABLE_LIBADA=yes)
450if test "${ENABLE_LIBADA}" != "yes" ; then
5395b47b 451 noconfigdirs="$noconfigdirs gnattools"
d9cdb878
AC		 452fi
453
ef0087a7 454AC_ARG_ENABLE(libssp,
33e39b66 455[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ef0087a7
KH		 456ENABLE_LIBSSP=$enableval,
457ENABLE_LIBSSP=yes)
ef0087a7 458
2588b26e
RM		 459AC_ARG_ENABLE(libstdcxx,
460AS_HELP_STRING([--disable-libstdcxx],
461 [do not build libstdc++-v3 directory]),
462ENABLE_LIBSTDCXX=$enableval,
463ENABLE_LIBSTDCXX=default)
464[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
1007a55c 465 noconfigdirs="$noconfigdirs target-libstdc++-v3"
2588b26e
RM		 466fi]
467
5f520819
KY		 468# If this is accelerator compiler and its target is intelmic we enable
469# target liboffloadmic by default. If this is compiler with offloading
470# for intelmic we enable host liboffloadmic by default. Otherwise
471# liboffloadmic is disabled by default.
472AC_ARG_ENABLE([liboffloadmic],
473AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
474 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
475[case "$enableval" in
476 no | host | target)
477 enable_liboffloadmic=$enableval ;;
478 *)
479 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
480esac],
4b4f2e35 481[if test x"$enable_as_accelerator_for" != x; then
5f520819
KY		 482 case "${target}" in
483 *-intelmic-* | *-intelmicemul-*)
484 enable_liboffloadmic=target
485 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
486 ;;
487 *)
488 enable_liboffloadmic=no
489 ;;
490 esac
491else
492 case "${enable_offload_targets}" in
493 *-intelmic-* | *-intelmicemul-*)
494 enable_liboffloadmic=host
495 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
496 ;;
497 *)
498 enable_liboffloadmic=no
499 ;;
500 esac
501fi])
502AC_SUBST(extra_liboffloadmic_configure_flags)
503
44a7d18d 504# Enable libgomp by default on hosted POSIX systems, and a few others.
27079765 505if test x$enable_libgomp = x ; then
953ff289 506 case "${target}" in
416ac4d4 507 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
953ff289 508 ;;
8c6d158a 509 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
953ff289 510 ;;
b24513a1 511 *-*-solaris2* | *-*-hpux11*)
953ff289 512 ;;
cac90078 513 *-*-darwin* | *-*-aix*)
953ff289 514 ;;
29b1533a 515 nvptx*-*-* | amdgcn*-*-*)
44a7d18d 516 ;;
953ff289
DN		 517 *)
518 noconfigdirs="$noconfigdirs target-libgomp"
519 ;;
520 esac
27079765 521fi
953ff289 522
48310492
RH		 523# Disable libatomic on unsupported systems.
524if test -d ${srcdir}/libatomic; then
525 if test x$enable_libatomic = x; then
526 AC_MSG_CHECKING([for libatomic support])
527 if (srcdir=${srcdir}/libatomic; \
528 . ${srcdir}/configure.tgt; \
529 test -n "$UNSUPPORTED")
530 then
531 AC_MSG_RESULT([no])
532 noconfigdirs="$noconfigdirs target-libatomic"
533 else
534 AC_MSG_RESULT([yes])
535 fi
536 fi
537fi
538
5f520819
KY		 539# Disable liboffloadmic on unsupported systems.
540if test -d ${srcdir}/liboffloadmic; then
541 if test x$enable_liboffloadmic != xno; then
542 AC_MSG_CHECKING([for liboffloadmic support])
543 if (srcdir=${srcdir}/liboffloadmic; \
544 . ${srcdir}/configure.tgt; \
545 test -n "$UNSUPPORTED")
546 then
547 AC_MSG_RESULT([no])
548 noconfigdirs="$noconfigdirs target-liboffloadmic"
549 else
550 AC_MSG_RESULT([yes])
551 fi
552 fi
553fi
554
e948157d
RH		 555# Disable libitm on unsupported systems.
556if test -d ${srcdir}/libitm; then
557 if test x$enable_libitm = x; then
558 AC_MSG_CHECKING([for libitm support])
559 if (srcdir=${srcdir}/libitm; \
560 . ${srcdir}/configure.tgt; \
561 test -n "$UNSUPPORTED")
562 then
563 AC_MSG_RESULT([no])
564 noconfigdirs="$noconfigdirs target-libitm"
565 else
566 AC_MSG_RESULT([yes])
567 fi
568 fi
0a35513e
AH		 569fi
570
93bf5390
RH		 571# Disable libsanitizer on unsupported systems.
572if test -d ${srcdir}/libsanitizer; then
573 if test x$enable_libsanitizer = x; then
574 AC_MSG_CHECKING([for libsanitizer support])
575 if (srcdir=${srcdir}/libsanitizer; \
576 . ${srcdir}/configure.tgt; \
577 test -n "$UNSUPPORTED")
578 then
579 AC_MSG_RESULT([no])
580 noconfigdirs="$noconfigdirs target-libsanitizer"
581 else
582 AC_MSG_RESULT([yes])
583 fi
584 fi
585fi
586
2077db1b
CT		 587# Disable libvtv on unsupported systems.
588if test -d ${srcdir}/libvtv; then
589 if test x$enable_libvtv = x; then
590 AC_MSG_CHECKING([for libvtv support])
591 if (srcdir=${srcdir}/libvtv; \
592 . ${srcdir}/configure.tgt; \
1e74b850 593 test "$VTV_SUPPORTED" != "yes")
2077db1b
CT		 594 then
595 AC_MSG_RESULT([no])
596 noconfigdirs="$noconfigdirs target-libvtv"
597 else
598 AC_MSG_RESULT([yes])
599 fi
600 fi
601fi
602
5373cd33 603
f6a24a94
MJ		 604# Disable libhsail-rt on unsupported systems.
605if test -d ${srcdir}/libhsail-rt; then
606 if test x$enable_libhsail_rt = x; then
607 AC_MSG_CHECKING([for libhsail-rt support])
608 if (srcdir=${srcdir}/libhsail-rt; \
609 . ${srcdir}/configure.tgt; \
610 test -n "$UNSUPPORTED")
611 then
612 AC_MSG_RESULT([no])
613 unsupported_languages="$unsupported_languages brig"
614 # This implicitly disables also target-libhsail-rt as it won't
615 # get added to the build without BRIG FE.
616 else
617 AC_MSG_RESULT([yes])
618 fi
619 fi
620fi
5373cd33
IE		 621
622
d7a29167
DE		 623# Disable libquadmath for some systems.
624case "${target}" in
e7fae550
DE		 625 avr-*-*)
626 noconfigdirs="$noconfigdirs target-libquadmath"
627 ;;
d7a29167
DE		 628 # libquadmath is unused on AIX and libquadmath build process use of
629 # LD_LIBRARY_PATH can break AIX bootstrap.
630 powerpc-*-aix* | rs6000-*-aix*)
631 noconfigdirs="$noconfigdirs target-libquadmath"
632 ;;
633esac
634
1e9e0e23
JM		 635# Disable libssp for some systems.
636case "${target}" in
637 avr-*-*)
b318fb4b 638 # No hosted I/O support.
1e9e0e23
JM		 639 noconfigdirs="$noconfigdirs target-libssp"
640 ;;
91dfef96
JM		 641 bpf-*-*)
642 noconfigdirs="$noconfigdirs target-libssp"
643 ;;
1e9e0e23
JM		 644 powerpc-*-aix* | rs6000-*-aix*)
645 noconfigdirs="$noconfigdirs target-libssp"
646 ;;
8d2af3a2
DD		 647 pru-*-*)
648 # No hosted I/O support.
649 noconfigdirs="$noconfigdirs target-libssp"
650 ;;
85b8555e
DD		 651 rl78-*-*)
652 # libssp uses a misaligned load to trigger a fault, but the RL78
653 # doesn't fault for those - instead, it gives a build-time error
654 # for explicit misaligned loads.
655 noconfigdirs="$noconfigdirs target-libssp"
656 ;;
0969ec7d
EB		 657 visium-*-*)
658 # No hosted I/O support.
659 noconfigdirs="$noconfigdirs target-libssp"
660 ;;
1e9e0e23
JM		 661esac
662
1e9e0e23 663# Disable libstdc++-v3 for some systems.
2588b26e
RM		 664# Allow user to override this if they pass --enable-libstdc++-v3
665if test "${ENABLE_LIBSTDCXX}" = "default" ; then
666 case "${target}" in
667 *-*-vxworks*)
668 # VxWorks uses the Dinkumware C++ library.
669 noconfigdirs="$noconfigdirs target-libstdc++-v3"
670 ;;
afa3d80e
TS		 671 amdgcn*-*-*)
672 # Not ported/fails to build when using newlib.
673 noconfigdirs="$noconfigdirs target-libstdc++-v3"
674 ;;
2588b26e
RM		 675 arm*-wince-pe*)
676 # the C++ libraries don't build on top of CE's C libraries
677 noconfigdirs="$noconfigdirs target-libstdc++-v3"
678 ;;
679 avr-*-*)
680 noconfigdirs="$noconfigdirs target-libstdc++-v3"
681 ;;
91dfef96
JM		 682 bpf-*-*)
683 noconfigdirs="$noconfigdirs target-libstdc++-v3"
684 ;;
fef939d6
JB		 685 ft32-*-*)
686 noconfigdirs="$noconfigdirs target-libstdc++-v3"
687 ;;
2588b26e
RM		 688 esac
689fi
1e9e0e23 690
91dfef96
JM		 691# Disable C++ on systems where it is known to not work.
692# For testing, you can override this with --enable-languages=c++.
693case ,${enable_languages}, in
694 *,c++,*)
695 ;;
696 *)
697 case "${target}" in
698 bpf-*-*)
699 unsupported_languages="$unsupported_languages c++"
700 ;;
701 esac
702 ;;
703esac
704
705# Disable Objc on systems where it is known to not work.
706# For testing, you can override this with --enable-languages=objc.
707case ,${enable_languages}, in
708 *,objc,*)
709 ;;
710 *)
711 case "${target}" in
712 bpf-*-*)
713 unsupported_languages="$unsupported_languages objc"
714 ;;
715 esac
716 ;;
717esac
718
260eedb9
IB		 719# Disable D on systems where it is known to not work.
720# For testing, you can override this with --enable-languages=d.
721case ,${enable_languages}, in
722 *,d,*)
723 ;;
724 *)
725 case "${target}" in
4d024c32 726 *-*-darwin*)
91dfef96
JM		 727 unsupported_languages="$unsupported_languages d"
728 ;;
729 bpf-*-*)
260eedb9
IB		 730 unsupported_languages="$unsupported_languages d"
731 ;;
732 esac
733 ;;
734esac
735
736# Disable libphobos on unsupported systems.
737# For testing, you can override this with --enable-libphobos.
738if test -d ${srcdir}/libphobos; then
739 if test x$enable_libphobos = x; then
740 AC_MSG_CHECKING([for libphobos support])
741 if (srcdir=${srcdir}/libphobos; \
742 . ${srcdir}/configure.tgt; \
7d31d331 743 test "$LIBPHOBOS_SUPPORTED" != "yes")
260eedb9
IB		 744 then
745 AC_MSG_RESULT([no])
746 noconfigdirs="$noconfigdirs target-libphobos"
747 else
748 AC_MSG_RESULT([yes])
749 fi
750 fi
751fi
752
1e9e0e23
JM		 753# Disable Fortran for some systems.
754case "${target}" in
755 mmix-*-*)
756 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
757 unsupported_languages="$unsupported_languages fortran"
758 ;;
91dfef96
JM		 759 bpf-*-*)
760 unsupported_languages="$unsupported_languages fortran"
761 ;;
1e9e0e23
JM		 762esac
763
012447ea
JJ		 764# Disable libffi for some systems.
765case "${target}" in
766 powerpc-*-darwin*)
767 ;;
768 i[[3456789]]86-*-darwin*)
769 ;;
770 x86_64-*-darwin[[912]]*)
771 ;;
772 *-*-darwin*)
773 noconfigdirs="$noconfigdirs target-libffi"
774 ;;
775 *-*-netware*)
776 noconfigdirs="$noconfigdirs target-libffi"
777 ;;
778 *-*-phoenix*)
779 noconfigdirs="$noconfigdirs target-libffi"
780 ;;
781 *-*-rtems*)
782 noconfigdirs="$noconfigdirs target-libffi"
783 ;;
784 *-*-tpf*)
785 noconfigdirs="$noconfigdirs target-libffi"
786 ;;
787 *-*-uclinux*)
788 noconfigdirs="$noconfigdirs target-libffi"
789 ;;
790 *-*-vxworks*)
791 noconfigdirs="$noconfigdirs target-libffi"
792 ;;
b20e7532
AT		 793 aarch64*-*-freebsd*)
794 noconfigdirs="$noconfigdirs target-libffi"
795 ;;
012447ea
JJ		 796 alpha*-*-*vms*)
797 noconfigdirs="$noconfigdirs target-libffi"
798 ;;
799 arm*-*-freebsd*)
800 noconfigdirs="$noconfigdirs target-libffi"
801 ;;
802 arm-wince-pe)
803 noconfigdirs="$noconfigdirs target-libffi"
804 ;;
805 arm*-*-symbianelf*)
806 noconfigdirs="$noconfigdirs target-libffi"
807 ;;
91dfef96
JM		 808 bpf-*-*)
809 noconfigdirs="$noconfigdirs target-libffi"
810 ;;
012447ea
JJ		 811 cris-*-* | crisv32-*-*)
812 case "${target}" in
813 *-*-linux*)
814 ;;
815 *) # See PR46792 regarding target-libffi.
816 noconfigdirs="$noconfigdirs target-libffi";;
817 esac
818 ;;
819 hppa*64*-*-hpux*)
820 noconfigdirs="$noconfigdirs target-libffi"
821 ;;
822 hppa*-hp-hpux11*)
823 ;;
824 hppa*-*-hpux*)
825 noconfigdirs="$noconfigdirs target-libffi"
826 ;;
827 ia64*-*-*vms*)
828 noconfigdirs="$noconfigdirs target-libffi"
829 ;;
830 i[[3456789]]86-w64-mingw*)
831 noconfigdirs="$noconfigdirs target-libffi"
832 ;;
833 i[[3456789]]86-*-mingw*)
834 noconfigdirs="$noconfigdirs target-libffi"
835 ;;
836 x86_64-*-mingw*)
837 noconfigdirs="$noconfigdirs target-libffi"
838 ;;
839 mmix-*-*)
840 noconfigdirs="$noconfigdirs target-libffi"
841 ;;
842 powerpc-*-aix*)
012447ea
JJ		 843 ;;
844 rs6000-*-aix*)
012447ea
JJ		 845 ;;
846 ft32-*-*)
847 noconfigdirs="$noconfigdirs target-libffi"
848 ;;
849 *-*-lynxos*)
850 noconfigdirs="$noconfigdirs target-libffi"
851 ;;
852esac
853
854# Disable the go frontend on systems where it is known to not work. Please keep
855# this in sync with contrib/config-list.mk.
856case "${target}" in
91dfef96 857*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
012447ea
JJ		 858 unsupported_languages="$unsupported_languages go"
859 ;;
860esac
861
f9d09df0
TT		 862# Only allow gdbserver on some systems.
863if test -d ${srcdir}/gdbserver; then
864 if test x$enable_gdbserver = x; then
865 AC_MSG_CHECKING([for gdbserver support])
866 if (srcdir=${srcdir}/gdbserver; \
867 . ${srcdir}/configure.srv; \
868 test -n "$UNSUPPORTED")
869 then
870 AC_MSG_RESULT([no])
871 noconfigdirs="$noconfigdirs gdbserver"
872 else
873 AC_MSG_RESULT([yes])
874 fi
875 fi
876fi
877
cdbc9e92
ILT		 878# Disable libgo for some systems where it is known to not work.
879# For testing, you can easily override this with --enable-libgo.
880if test x$enable_libgo = x; then
881 case "${target}" in
882 *-*-darwin*)
883 # PR 46986
884 noconfigdirs="$noconfigdirs target-libgo"
885 ;;
886 *-*-cygwin* | *-*-mingw*)
887 noconfigdirs="$noconfigdirs target-libgo"
888 ;;
91dfef96
JM		 889 bpf-*-*)
890 noconfigdirs="$noconfigdirs target-libgo"
891 ;;
cdbc9e92
ILT		 892 esac
893fi
894
c03353e2
RIL		 895# Default libgloss CPU subdirectory.
896libgloss_dir="$target_cpu"
6de9cd9a 897
fbcf0dca
JM		 898case "${target}" in
899 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
900 libgloss_dir=wince
901 ;;
4dddfc74
YZ		 902 aarch64*-*-* )
903 libgloss_dir=aarch64
904 ;;
fbcf0dca
JM		 905 arm*-*-*)
906 libgloss_dir=arm
907 ;;
908 cris-*-* | crisv32-*-*)
909 libgloss_dir=cris
910 ;;
911 hppa*-*-*)
912 libgloss_dir=pa
913 ;;
914 i[[3456789]]86-*-*)
915 libgloss_dir=i386
916 ;;
917 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
918 libgloss_dir=m68hc11
919 ;;
920 m68*-*-* | fido-*-*)
921 libgloss_dir=m68k
922 ;;
923 mips*-*-*)
924 libgloss_dir=mips
925 ;;
926 powerpc*-*-*)
927 libgloss_dir=rs6000
928 ;;
8d2af3a2
DD		 929 pru-*-*)
930 libgloss_dir=pru
931 ;;
fbcf0dca
JM		 932 sparc*-*-*)
933 libgloss_dir=sparc
934 ;;
935esac
936
6a789d5e 937# Disable newlib and libgloss for various target OSes.
6599da04 938case "${target}" in
6a789d5e
JM		 939 alpha*-dec-osf*)
940 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
941 ;;
942 i[[3456789]]86-*-linux*)
943 # This section makes it possible to build newlib natively on linux.
944 # If we are using a cross compiler then don't configure newlib.
945 if test x${is_cross_compiler} != xno ; then
946 noconfigdirs="$noconfigdirs target-newlib"
947 fi
948 noconfigdirs="$noconfigdirs target-libgloss"
949 # If we are not using a cross compiler, do configure newlib.
950 # Note however, that newlib will only be configured in this situation
951 # if the --with-newlib option has been given, because otherwise
952 # 'target-newlib' will appear in skipdirs.
953 ;;
954 i[[3456789]]86-*-rdos*)
955 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 ;;
957 sh*-*-pe|mips*-*-pe|arm-wince-pe)
958 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
959 ;;
960 sparc-*-sunos4*)
961 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
962 ;;
91dfef96
JM		 963 bpf-*-*)
964 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
965 ;;
6a789d5e
JM		 966 *-*-aix*)
967 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
968 ;;
969 *-*-beos*)
970 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 ;;
3fa03ff9 972 *-*-chorusos)
0036370f 973 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
3fa03ff9 974 ;;
6a789d5e
JM		 975 *-*-dragonfly*)
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 ;;
978 *-*-freebsd*)
979 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
980 ;;
981 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
983 ;;
984 *-*-lynxos*)
985 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 ;;
987 *-*-mingw*)
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
989 ;;
990 *-*-netbsd*)
991 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
992 ;;
993 *-*-netware*)
994 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
995 ;;
996 *-*-tpf*)
997 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
998 ;;
999 *-*-uclinux*)
1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1001 ;;
1002 *-*-vxworks*)
1003 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1004 ;;
1005esac
1006
1007case "${target}" in
1008 *-*-chorusos)
1009 ;;
3be96231
TG		 1010 aarch64-*-darwin*)
1011 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1012 noconfigdirs="$noconfigdirs sim target-rda"
1013 ;;
7431c1a1
AS		 1014 amdgcn*-*-*)
1015 ;;
3be96231
TG		 1016 arm-*-darwin*)
1017 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1018 noconfigdirs="$noconfigdirs sim target-rda"
1019 ;;
75eeae1a 1020 powerpc-*-darwin*)
e1514c3f 1021 noconfigdirs="$noconfigdirs ld gas gdb gprof"
9c8f9ec2 1022 noconfigdirs="$noconfigdirs sim target-rda"
940cde4d 1023 ;;
354ebf88
RW		 1024 i[[3456789]]86-*-darwin*)
1025 noconfigdirs="$noconfigdirs ld gprof"
1026 noconfigdirs="$noconfigdirs sim target-rda"
1027 ;;
1028 x86_64-*-darwin[[912]]*)
0db3a858
TG		 1029 noconfigdirs="$noconfigdirs ld gas gprof"
1030 noconfigdirs="$noconfigdirs sim target-rda"
1031 ;;
42c1cd8a
AT		 1032 *-*-darwin*)
1033 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1034 noconfigdirs="$noconfigdirs sim target-rda"
42c1cd8a 1035 ;;
8c6d158a 1036 *-*-dragonfly*)
8c6d158a 1037 ;;
c3f84f61 1038 *-*-freebsd*)
6de9cd9a 1039 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
7cacf5a5 1040 && ! test -d ${srcdir}/gmp \
6de9cd9a
DN		 1041 && test -f /usr/local/include/gmp.h; then
1042 with_gmp=/usr/local
1043 fi
6de9cd9a 1044 ;;
ef4e7569
US		 1045 *-*-kaos*)
1046 # Remove unsupported stuff on all kaOS configurations.
ef4e7569
US		 1047 noconfigdirs="$noconfigdirs target-libgloss"
1048 ;;
51584787 1049 *-*-netbsd*)
51584787 1050 ;;
61fec9ff 1051 *-*-netware*)
6599da04 1052 ;;
fd6487af
JS		 1053 *-*-phoenix*)
1054 noconfigdirs="$noconfigdirs target-libgloss"
1055 ;;
3fbc0b70 1056 *-*-rtems*)
2909494b 1057 noconfigdirs="$noconfigdirs target-libgloss"
3fbc0b70 1058 ;;
a8ba31f2
EC		 1059 # The tpf target doesn't support gdb yet.
1060 *-*-tpf*)
6a789d5e 1061 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
a8ba31f2 1062 ;;
5785c0ed 1063 *-*-uclinux*)
6a789d5e 1064 noconfigdirs="$noconfigdirs target-rda"
5785c0ed 1065 ;;
6599da04 1066 *-*-vxworks*)
6599da04 1067 ;;
b104e095 1068 alpha*-dec-osf*)
603606e7 1069 # ld works, but does not support shared libraries.
6599da04 1070 # gas doesn't generate exception information.
6a789d5e 1071 noconfigdirs="$noconfigdirs gas ld"
6599da04
JM		 1072 ;;
1073 alpha*-*-*vms*)
2909494b 1074 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
6599da04
JM		 1075 ;;
1076 alpha*-*-*)
1077 # newlib is not 64 bit ready
2909494b 1078 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1079 ;;
91dfef96
JM		 1080 bpf-*-*)
1081 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
1082 ;;
3a685f6f 1083 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
b4f96efe 1084 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
3a685f6f 1085 ;;
2fd88f4f
AK		 1086 arc*-*-*)
1087 noconfigdirs="$noconfigdirs sim"
1088 ;;
6599da04 1089 arm-*-pe*)
2909494b 1090 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1091 ;;
5d4a5ee6 1092 arm-*-riscix*)
0036370f 1093 noconfigdirs="$noconfigdirs ld target-libgloss"
5d4a5ee6 1094 ;;
b588ae30
GJL		 1095 avr-*-*)
1096 if test x${with_avrlibc} != xno; then
1097 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1098 fi
1099 ;;
a5a438f5 1100 c4x-*-* | tic4x-*-*)
0036370f 1101 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1102 ;;
0036370f
JM		 1103 tic54x-*-*)
1104 noconfigdirs="$noconfigdirs target-libgloss gdb"
ab50d72b 1105 ;;
6599da04 1106 d10v-*-*)
0036370f 1107 noconfigdirs="$noconfigdirs target-libgloss"
d207ebef
JM		 1108 ;;
1109 d30v-*-*)
0036370f 1110 noconfigdirs="$noconfigdirs gdb"
6599da04 1111 ;;
09b5f8bf 1112 fr30-*-elf*)
2909494b 1113 noconfigdirs="$noconfigdirs gdb"
09b5f8bf 1114 ;;
a05c2c75
L		 1115 ft32-*-*)
1116 noconfigdirs="$noconfigdirs target-rda gprof"
1117 ;;
55f2d967 1118 moxie-*-*)
a05c2c75 1119 noconfigdirs="$noconfigdirs"
55f2d967 1120 ;;
ab50d72b 1121 h8300*-*-*)
2909494b 1122 noconfigdirs="$noconfigdirs target-libgloss"
ab50d72b 1123 ;;
6599da04 1124 h8500-*-*)
0036370f 1125 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1126 ;;
9d069a4f 1127 hppa1.1-*-osf* | hppa1.1-*-bsd* )
9d069a4f 1128 ;;
a05c2c75
L		 1129 hppa*64*-*-hpux*)
1130 noconfigdirs="$noconfigdirs gdb"
1131 ;;
1132 hppa*-*-hpux11*)
1133 noconfigdirs="$noconfigdirs gdb ld"
1134 ;;
4569f85e 1135 hppa*64*-*-linux*)
cdbff0ab 1136 ;;
56f8587a 1137 hppa*-*-linux*)
3e732ba0 1138 ;;
6599da04 1139 hppa*-*-*elf* | \
bae29210 1140 hppa*-*-lites* | \
66350331 1141 hppa*-*-openbsd* | \
bae29210 1142 hppa*64*-*-*)
6599da04 1143 ;;
c03353e2 1144 hppa*-*-pro*)
c03353e2 1145 ;;
6599da04 1146 hppa*-*-*)
2909494b 1147 noconfigdirs="$noconfigdirs ld"
d207ebef 1148 ;;
fb87ad5d 1149 i960-*-*)
0036370f 1150 noconfigdirs="$noconfigdirs gdb"
fb87ad5d 1151 ;;
d207ebef
JM		 1152 ia64*-*-elf*)
1153 # No gdb support yet.
1bcce263 1154 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
d207ebef 1155 ;;
ab50d72b 1156 ia64*-**-hpux*)
5a2931d1 1157 # No ld support yet.
a05c2c75 1158 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
ab50d72b 1159 ;;
52535a64 1160 ia64*-*-*vms*)
091fe9ca
TG		 1161 # No ld support yet.
1162 noconfigdirs="$noconfigdirs libgui itcl ld"
52535a64 1163 ;;
ef4c4300 1164 i[[3456789]]86-w64-mingw*)
ef4c4300
KT		 1165 ;;
1166 i[[3456789]]86-*-mingw*)
b91f0a41 1167 target_configdirs="$target_configdirs target-winsup"
5d571eaa 1168 ;;
d207ebef
JM		 1169 *-*-cygwin*)
1170 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1bcce263 1171 noconfigdirs="$noconfigdirs target-libgloss"
801e2270 1172 # always build newlib if winsup directory is present.
b91f0a41 1173 if test -d "$srcdir/winsup/cygwin"; then
801e2270 1174 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
c8e6cd41 1175 elif test -d "$srcdir/newlib"; then
b91f0a41 1176 echo "Warning: winsup/cygwin is missing so newlib can't be built."
801e2270 1177 fi
5d571eaa 1178 ;;
f2a0e225 1179 i[[3456789]]86-*-pe)
ebb9f8b0 1180 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1181 ;;
f2a0e225 1182 i[[3456789]]86-*-sco3.2v5*)
6599da04
JM		 1183 # The linker does not yet know about weak symbols in COFF,
1184 # and is not configured to handle mixed ELF and COFF.
0036370f 1185 noconfigdirs="$noconfigdirs ld target-libgloss"
6599da04 1186 ;;
f2a0e225 1187 i[[3456789]]86-*-sco*)
0036370f 1188 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1189 ;;
fbdd5d87 1190 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
7c01b2b5 1191 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1192 ;;
f2a0e225 1193 i[[3456789]]86-*-sysv4*)
0036370f 1194 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 1195 ;;
f2a0e225 1196 i[[3456789]]86-*-beos*)
6a789d5e 1197 noconfigdirs="$noconfigdirs gdb"
3aa83176 1198 ;;
d1f8db0c 1199 i[[3456789]]86-*-rdos*)
6a789d5e 1200 noconfigdirs="$noconfigdirs gdb"
c03353e2 1201 ;;
d344dce9 1202 mmix-*-*)
2909494b 1203 noconfigdirs="$noconfigdirs gdb"
d344dce9 1204 ;;
ab34901f 1205 mt-*-*)
79dd769c
AH		 1206 noconfigdirs="$noconfigdirs sim"
1207 ;;
58b40a67
FT		 1208 nfp-*-*)
1209 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1210 noconfigdirs="$noconfigdirs $target_libraries"
1211 ;;
e6cbe965
SC		 1212 pdp11-*-*)
1213 noconfigdirs="$noconfigdirs gdb gprof"
1214 ;;
6599da04
JM		 1215 powerpc-*-aix*)
1216 # copied from rs6000-*-* entry
6a789d5e 1217 noconfigdirs="$noconfigdirs gprof"
6599da04 1218 ;;
4569f85e 1219 powerpc*-*-winnt* | powerpc*-*-pe*)
6599da04 1220 target_configdirs="$target_configdirs target-winsup"
0036370f 1221 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
6599da04
JM		 1222 # always build newlib.
1223 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1224 ;;
1225 # This is temporary until we can link against shared libraries
1226 powerpcle-*-solaris*)
0036370f 1227 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
6599da04 1228 ;;
0da3b5a7 1229 powerpc-*-beos*)
6a789d5e 1230 noconfigdirs="$noconfigdirs gdb"
d207ebef 1231 ;;
6599da04 1232 rs6000-*-lynxos*)
6a789d5e 1233 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1234 ;;
1235 rs6000-*-aix*)
6a789d5e 1236 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1237 ;;
1238 rs6000-*-*)
2909494b 1239 noconfigdirs="$noconfigdirs gprof"
6599da04
JM		 1240 ;;
1241 m68k-apollo-*)
0036370f 1242 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
6599da04 1243 ;;
ca9fe997 1244 microblaze*)
2909494b 1245 noconfigdirs="$noconfigdirs gprof"
ca9fe997 1246 ;;
74ae587e 1247 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
d9dced13
RS		 1248 if test x$with_newlib = xyes; then
1249 noconfigdirs="$noconfigdirs gprof"
1250 fi
d9dced13 1251 ;;
6599da04 1252 mips*-*-irix5*)
0036370f 1253 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04
JM		 1254 ;;
1255 mips*-*-irix6*)
2909494b 1256 noconfigdirs="$noconfigdirs gprof target-libgloss"
6599da04 1257 ;;
6599da04 1258 mips*-*-bsd*)
bc98bcc4 1259 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
6599da04 1260 ;;
9bec4bf0 1261 mips*-*-linux*)
9bec4bf0 1262 ;;
bc98bcc4
JBG		 1263 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1264 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1265 noconfigdirs="$noconfigdirs ld gas gprof"
1266 ;;
6599da04 1267 mips*-*-*)
2909494b 1268 noconfigdirs="$noconfigdirs gprof"
6599da04 1269 ;;
738f2522 1270 nvptx*-*-*)
738f2522
BS		 1271 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1272 ;;
bc6d9014 1273 sh-*-*)
ea2002ba
CB		 1274 case "${target}" in
1275 sh*-*-elf)
2909494b 1276 ;;
ea2002ba 1277 *)
2909494b 1278 noconfigdirs="$noconfigdirs target-libgloss" ;;
ea2002ba 1279 esac
6599da04
JM		 1280 ;;
1281 sparc-*-sunos4*)
6a789d5e 1282 if test x${is_cross_compiler} = xno ; then
6599da04
JM		 1283 use_gnu_ld=no
1284 fi
1285 ;;
b42f0d7e 1286 tic6x-*-*)
0d557ff8 1287 noconfigdirs="$noconfigdirs sim"
b42f0d7e 1288 ;;
341c653c 1289 tilepro*-*-* | tilegx*-*-*)
db1d217c
WL		 1290 noconfigdirs="$noconfigdirs sim"
1291 ;;
6599da04 1292 v810-*-*)
0036370f 1293 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
6599da04
JM		 1294 ;;
1295 vax-*-*)
2909494b 1296 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
6599da04 1297 ;;
1fc1d82e
MR		 1298 wasm32-*-*)
1299 noconfigdirs="$noconfigdirs ld"
1300 ;;
6599da04
JM		 1301esac
1302
6599da04
JM		 1303# If we aren't building newlib, then don't build libgloss, since libgloss
1304# depends upon some newlib header files.
1305case "${noconfigdirs}" in
1306 *target-libgloss*) ;;
1307 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
55380b08 1308esac
6599da04 1309
55380b08 1310# Work in distributions that contain no compiler tools, like Autoconf.
671aa708 1311host_makefile_frag=/dev/null
55380b08
NN		 1312if test -d ${srcdir}/config ; then
1313case "${host}" in
f2a0e225 1314 i[[3456789]]86-*-msdosdjgpp*)
55380b08
NN		 1315 host_makefile_frag="config/mh-djgpp"
1316 ;;
1317 *-cygwin*)
2a79c47f 1318 ACX_CHECK_CYGWIN_CAT_WORKS
55380b08
NN		 1319 host_makefile_frag="config/mh-cygwin"
1320 ;;
c53a18d3 1321 *-mingw*)
1f5a6b84 1322 host_makefile_frag="config/mh-mingw"
738a52d3 1323 ;;
cabb9d59 1324 alpha*-linux*)
13be44ed
UB		 1325 host_makefile_frag="config/mh-alpha-linux"
1326 ;;
00afcaa0 1327 hppa*-hp-hpux10*)
00afcaa0 1328 host_makefile_frag="config/mh-pa-hpux10"
55380b08 1329 ;;
111eeb6e 1330 hppa*-hp-hpux*)
00afcaa0
PB		 1331 host_makefile_frag="config/mh-pa"
1332 ;;
1333 hppa*-*)
1334 host_makefile_frag="config/mh-pa"
1335 ;;
107b1618 1336 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*)
d8ed14ce 1337 host_makefile_frag="config/mh-darwin"
be8fff81 1338 ;;
d19bca38
PB		 1339 powerpc-*-aix*)
1340 host_makefile_frag="config/mh-ppc-aix"
1341 ;;
1342 rs6000-*-aix*)
1343 host_makefile_frag="config/mh-ppc-aix"
1344 ;;
55380b08
NN		 1345esac
1346fi
1347
e4c9c075 1348if test "${build}" != "${host}" ; then
0999159b
PB		 1349 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1350 AS_FOR_BUILD=${AS_FOR_BUILD-as}
e4c9c075 1351 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
0999159b 1352 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
c7c99407 1353 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil}
0999159b 1354 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
632e2a07 1355 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b4c522fa 1356 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
0999159b
PB		 1357 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1358 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1359 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1360 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1361 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1362 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
e4c9c075 1363else
0999159b
PB		 1364 AR_FOR_BUILD="\$(AR)"
1365 AS_FOR_BUILD="\$(AS)"
e4c9c075 1366 CC_FOR_BUILD="\$(CC)"
0999159b 1367 CXX_FOR_BUILD="\$(CXX)"
c7c99407 1368 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)"
0999159b 1369 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
632e2a07 1370 GOC_FOR_BUILD="\$(GOC)"
b4c522fa 1371 GDC_FOR_BUILD="\$(GDC)"
0999159b
PB		 1372 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1373 LD_FOR_BUILD="\$(LD)"
1374 NM_FOR_BUILD="\$(NM)"
1375 RANLIB_FOR_BUILD="\$(RANLIB)"
1376 WINDRES_FOR_BUILD="\$(WINDRES)"
1377 WINDMC_FOR_BUILD="\$(WINDMC)"
c3a86da9 1378fi
e4c9c075 1379
c3a86da9
DJ		 1380AC_PROG_CC
1381AC_PROG_CXX
1382
1383# We must set the default linker to the linker used by gcc for the correct
1384# operation of libtool. If LD is not defined and we are using gcc, try to
1385# set the LD default to the ld used by gcc.
1386if test -z "$LD"; then
1387 if test "$GCC" = yes; then
1388 case $build in
1389 *-*-mingw*)
1390 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1391 *)
1392 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1393 esac
1394 case $gcc_prog_ld in
1395 # Accept absolute paths.
1396 [[\\/]* | [A-Za-z]:[\\/]*)]
1397 LD="$gcc_prog_ld" ;;
1398 esac
1399 fi
e4c9c075
PB		 1400fi
1401
0b21f5d3
EB		 1402# Check whether -static-libstdc++ -static-libgcc is supported.
1403have_static_libs=no
1404if test "$GCC" = yes; then
1405 saved_LDFLAGS="$LDFLAGS"
1406
1407 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1408 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1409 AC_LANG_PUSH(C++)
22e05272 1410 AC_LINK_IFELSE([AC_LANG_SOURCE([
0d6414b2
EB		 1411#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1412#error -static-libstdc++ not implemented
1413#endif
22e05272 1414int main() {}])],
0b21f5d3
EB		 1415 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1416 [AC_MSG_RESULT([no])])
1417 AC_LANG_POP(C++)
1418
1419 LDFLAGS="$saved_LDFLAGS"
1420fi
1421
e4c9c075 1422ACX_PROG_GNAT
a76494aa 1423ACX_PROG_CMP_IGNORE_INITIAL
e4c9c075 1424
ff3ac0f4
ILT		 1425AC_ARG_ENABLE([bootstrap],
1426[AS_HELP_STRING([--enable-bootstrap],
1427 [enable bootstrapping @<:@yes if native build@:>@])],,
1428enable_bootstrap=default)
1429
1430# Issue errors and warnings for invalid/strange bootstrap combinations.
bf03b9ff
ILT		 1431if test -r $srcdir/gcc/configure; then
1432 have_compiler=yes
1433else
1434 have_compiler=no
1435fi
ff3ac0f4
ILT		 1436
1437case "$have_compiler:$host:$target:$enable_bootstrap" in
1438 *:*:*:no) ;;
1439
1440 # Default behavior. Enable bootstrap if we have a compiler
1441 # and we are in a native configuration.
1442 yes:$build:$build:default)
1443 enable_bootstrap=yes ;;
1444
1445 *:*:*:default)
1446 enable_bootstrap=no ;;
1447
1448 # We have a compiler and we are in a native configuration, bootstrap is ok
1449 yes:$build:$build:yes)
1450 ;;
1451
1452 # Other configurations, but we have a compiler. Assume the user knows
1453 # what he's doing.
1454 yes:*:*:yes)
1455 AC_MSG_WARN([trying to bootstrap a cross compiler])
1456 ;;
1457
1458 # No compiler: if they passed --enable-bootstrap explicitly, fail
1459 no:*:*:yes)
1460 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1461
1462 # Fail if wrong command line
1463 *)
1464 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1465 ;;
1466esac
1467
46070488
JM		 1468# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1469# C++98 compiler can still start the bootstrap.
1470if test "$enable_bootstrap:$GXX" = "yes:yes"; then
8ca528d9 1471 CXX="$CXX -std=gnu++98"
46070488
JM		 1472fi
1473
592c90ff
KG		 1474# Used for setting $lt_cv_objdir
1475_LT_CHECK_OBJDIR
1476
acd26225 1477# Check for GMP, MPFR and MPC
3a5729ea 1478gmplibs="-lmpc -lmpfr -lgmp"
6de9cd9a 1479gmpinc=
e69bf64b 1480have_gmp=no
acd26225
KG		 1481
1482# Specify a location for mpc
1483# check for this first so it ends up on the link line before mpfr.
33e39b66
AS		 1484AC_ARG_WITH(mpc,
1485[AS_HELP_STRING([--with-mpc=PATH],
1486 [specify prefix directory for installed MPC package.
1487 Equivalent to --with-mpc-include=PATH/include
1488 plus --with-mpc-lib=PATH/lib])])
1489AC_ARG_WITH(mpc-include,
1490[AS_HELP_STRING([--with-mpc-include=PATH],
1491 [specify directory for installed MPC include files])])
1492AC_ARG_WITH(mpc-lib,
1493[AS_HELP_STRING([--with-mpc-lib=PATH],
1494 [specify directory for the installed MPC library])])
acd26225
KG		 1495
1496if test "x$with_mpc" != x; then
3a5729ea
KG		 1497 gmplibs="-L$with_mpc/lib $gmplibs"
1498 gmpinc="-I$with_mpc/include $gmpinc"
acd26225
KG		 1499fi
1500if test "x$with_mpc_include" != x; then
3a5729ea 1501 gmpinc="-I$with_mpc_include $gmpinc"
acd26225
KG		 1502fi
1503if test "x$with_mpc_lib" != x; then
3a5729ea 1504 gmplibs="-L$with_mpc_lib $gmplibs"
acd26225
KG		 1505fi
1506if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
592c90ff 1507 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
3a5729ea 1508 gmpinc='-I$$s/mpc/src '"$gmpinc"
acd26225
KG		 1509 # Do not test the mpc version. Assume that it is sufficient, since
1510 # it is in the source tree, and the library has not been built yet
1511 # but it would be included on the link line in the version check below
1512 # hence making the test fail.
3a5729ea 1513 have_gmp=yes
acd26225 1514fi
e69bf64b 1515
bebf829d
PB		 1516# Specify a location for mpfr
1517# check for this first so it ends up on the link line before gmp.
33e39b66
AS		 1518AC_ARG_WITH(mpfr-dir,
1519[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1520[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1521Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1522
1523AC_ARG_WITH(mpfr,
1524[AS_HELP_STRING([--with-mpfr=PATH],
1525 [specify prefix directory for installed MPFR package.
1526 Equivalent to --with-mpfr-include=PATH/include
1527 plus --with-mpfr-lib=PATH/lib])])
1528AC_ARG_WITH(mpfr-include,
1529[AS_HELP_STRING([--with-mpfr-include=PATH],
1530 [specify directory for installed MPFR include files])])
1531AC_ARG_WITH(mpfr-lib,
1532[AS_HELP_STRING([--with-mpfr-lib=PATH],
1533 [specify directory for the installed MPFR library])])
bebf829d
PB		 1534
1535if test "x$with_mpfr" != x; then
1536 gmplibs="-L$with_mpfr/lib $gmplibs"
3a5729ea 1537 gmpinc="-I$with_mpfr/include $gmpinc"
bebf829d 1538fi
8a877c9c 1539if test "x$with_mpfr_include" != x; then
3a5729ea 1540 gmpinc="-I$with_mpfr_include $gmpinc"
8a877c9c
KG		 1541fi
1542if test "x$with_mpfr_lib" != x; then
1543 gmplibs="-L$with_mpfr_lib $gmplibs"
1544fi
e69bf64b 1545if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
8f3675f8
MR		 1546 # MPFR v3.1.0 moved the sources into a src sub-directory.
1547 if ! test -d ${srcdir}/mpfr/src; then
1548 AC_MSG_ERROR([dnl
1549Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1550 fi
00f35794
BE		 1551 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1552 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1553 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
e69bf64b
PB		 1554 # Do not test the mpfr version. Assume that it is sufficient, since
1555 # it is in the source tree, and the library has not been built yet
1556 # but it would be included on the link line in the version check below
1557 # hence making the test fail.
1558 have_gmp=yes
1559fi
bebf829d 1560
6de9cd9a 1561# Specify a location for gmp
33e39b66
AS		 1562AC_ARG_WITH(gmp-dir,
1563[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1564[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1565Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1566
1567AC_ARG_WITH(gmp,
1568[AS_HELP_STRING([--with-gmp=PATH],
1569 [specify prefix directory for the installed GMP package.
1570 Equivalent to --with-gmp-include=PATH/include
1571 plus --with-gmp-lib=PATH/lib])])
1572AC_ARG_WITH(gmp-include,
1573[AS_HELP_STRING([--with-gmp-include=PATH],
1574 [specify directory for installed GMP include files])])
1575AC_ARG_WITH(gmp-lib,
1576[AS_HELP_STRING([--with-gmp-lib=PATH],
1577 [specify directory for the installed GMP library])])
6de9cd9a 1578
6de9cd9a 1579
bebf829d
PB		 1580if test "x$with_gmp" != x; then
1581 gmplibs="-L$with_gmp/lib $gmplibs"
1582 gmpinc="-I$with_gmp/include $gmpinc"
6de9cd9a 1583fi
8a877c9c
KG		 1584if test "x$with_gmp_include" != x; then
1585 gmpinc="-I$with_gmp_include $gmpinc"
1586fi
1587if test "x$with_gmp_lib" != x; then
1588 gmplibs="-L$with_gmp_lib $gmplibs"
1589fi
e69bf64b 1590if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
592c90ff 1591 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
e69bf64b 1592 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
9183bdcf 1593 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
592c90ff 1594 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
0ff2d841 1595 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
e69bf64b
PB		 1596 # Do not test the gmp version. Assume that it is sufficient, since
1597 # it is in the source tree, and the library has not been built yet
1598 # but it would be included on the link line in the version check below
1599 # hence making the test fail.
1600 have_gmp=yes
1601fi
6de9cd9a 1602
d943d7c4 1603if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
e69bf64b
PB		 1604 have_gmp=yes
1605 saved_CFLAGS="$CFLAGS"
1606 CFLAGS="$CFLAGS $gmpinc"
362c6d2f
KG		 1607 # Check for the recommended and required versions of GMP.
1608 AC_MSG_CHECKING([for the correct version of gmp.h])
e69bf64b 1609 AC_TRY_COMPILE([#include "gmp.h"],[
362c6d2f
KG		 1610 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1611 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
385c0681 1612 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
e48d66a9 1613 choke me
e69bf64b 1614 #endif
e8fd69bb 1615 ], [AC_TRY_COMPILE([#include <gmp.h>],[
362c6d2f
KG		 1616 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1617 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1618 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1619 choke me
1620 #endif
e8fd69bb 1621 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1622 [AC_MSG_RESULT([no]); have_gmp=no])
e69bf64b 1623
acd26225 1624 # If we have GMP, check the MPFR version.
e69bf64b 1625 if test x"$have_gmp" = xyes; then
362c6d2f
KG		 1626 # Check for the recommended and required versions of MPFR.
1627 AC_MSG_CHECKING([for the correct version of mpfr.h])
acd26225 1628 AC_TRY_COMPILE([#include <gmp.h>
e69bf64b 1629 #include <mpfr.h>],[
8be34204 1630 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
e69bf64b
PB		 1631 choke me
1632 #endif
e8fd69bb 1633 ], [AC_TRY_COMPILE([#include <gmp.h>
acd26225 1634 #include <mpfr.h>],[
8be34204 1635 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
acd26225
KG		 1636 choke me
1637 #endif
e8fd69bb 1638 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
acd26225
KG		 1639 [AC_MSG_RESULT([no]); have_gmp=no])
1640 fi
1641
1642 # Check for the MPC header version.
3a5729ea 1643 if test x"$have_gmp" = xyes ; then
362c6d2f 1644 # Check for the recommended and required versions of MPC.
acd26225
KG		 1645 AC_MSG_CHECKING([for the correct version of mpc.h])
1646 AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f 1647 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
acd26225
KG		 1648 choke me
1649 #endif
e8fd69bb 1650 ], [AC_TRY_COMPILE([#include <mpc.h>],[
362c6d2f
KG		 1651 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1652 choke me
1653 #endif
e8fd69bb 1654 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
362c6d2f 1655 [AC_MSG_RESULT([no]); have_gmp=no])
acd26225
KG		 1656 fi
1657
1658 # Now check the MPFR library.
1659 if test x"$have_gmp" = xyes; then
1660 saved_LIBS="$LIBS"
1661 LIBS="$LIBS $gmplibs"
3a5729ea
KG		 1662 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1663 AC_TRY_LINK([#include <mpc.h>],[
54e433bc
MK		 1664 mpfr_t n;
1665 mpfr_t x;
3a5729ea 1666 mpc_t c;
e69bf64b 1667 int t;
54e433bc
MK		 1668 mpfr_init (n);
1669 mpfr_init (x);
90ca6847
TB		 1670 mpfr_atan2 (n, n, x, MPFR_RNDN);
1671 mpfr_erfc (n, x, MPFR_RNDN);
1672 mpfr_subnormalize (x, t, MPFR_RNDN);
3a5729ea
KG		 1673 mpfr_clear(n);
1674 mpfr_clear(x);
1675 mpc_init2 (c, 53);
1676 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1677 mpc_cosh (c, c, MPC_RNDNN);
1678 mpc_pow (c, c, c, MPC_RNDNN);
1679 mpc_acosh (c, c, MPC_RNDNN);
1680 mpc_clear (c);
acd26225
KG		 1681 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1682 LIBS="$saved_LIBS"
e69bf64b 1683 fi
acd26225 1684
e69bf64b 1685 CFLAGS="$saved_CFLAGS"
6de9cd9a 1686
362c6d2f
KG		 1687# The library versions listed in the error message below should match
1688# the HARD-minimums enforced above.
e69bf64b 1689 if test x$have_gmp != xyes; then
8be34204 1690 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
3a5729ea
KG		 1691Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1692their locations. Source code for these libraries can be found at
1693their respective hosting sites as well as at
aeebd94c 1694https://gcc.gnu.org/pub/gcc/infrastructure/. See also
3a5729ea
KG		 1695http://gcc.gnu.org/install/prerequisites.html for additional info. If
1696you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1697make sure that you have installed both the libraries and the header
1698files. They may be located in separate packages.])
e69bf64b 1699 fi
70ec446f
KG		 1700fi
1701
acd26225 1702# Flags needed for both GMP, MPFR and/or MPC.
6de9cd9a
DN		 1703AC_SUBST(gmplibs)
1704AC_SUBST(gmpinc)
9e3eba15 1705AC_SUBST(extra_mpfr_configure_flags)
acd26225
KG		 1706AC_SUBST(extra_mpc_gmp_configure_flags)
1707AC_SUBST(extra_mpc_mpfr_configure_flags)
0ff2d841 1708AC_SUBST(extra_isl_gmp_configure_flags)
6de9cd9a 1709
00020c16
ILT		 1710# Libraries to use for stage1 or when not bootstrapping.
1711AC_ARG_WITH(stage1-libs,
33e39b66 1712[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
00020c16
ILT		 1713[if test "$withval" = "no" -o "$withval" = "yes"; then
1714 stage1_libs=
1715 else
1716 stage1_libs=$withval
1717 fi],
5dc85f7e 1718[stage1_libs=])
00020c16
ILT		 1719AC_SUBST(stage1_libs)
1720
aac9103b
TT		 1721# Whether or not to use -static-libstdc++ and -static-libgcc. The
1722# default is yes if gcc is being built; no otherwise. The reason for
1723# this default is that gdb is sometimes linked against GNU Source
1724# Highlight, which is a shared library that uses C++ exceptions. In
1725# this case, -static-libstdc++ will cause crashes.
1726AC_ARG_WITH(static-standard-libraries,
1727[AS_HELP_STRING([--with-static-standard-libraries],
1728 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1729[], [with_static_standard_libraries=auto])
1730if test "$with_static_standard_libraries" = auto; then
1731 with_static_standard_libraries=$have_compiler
1732fi
1733
0b21f5d3
EB		 1734# Linker flags to use for stage1 or when not bootstrapping.
1735AC_ARG_WITH(stage1-ldflags,
1736[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1737[if test "$withval" = "no" -o "$withval" = "yes"; then
1738 stage1_ldflags=
1739 else
1740 stage1_ldflags=$withval
1741 fi],
1742[stage1_ldflags=
1743 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1744 # if supported. But if the user explicitly specified the libraries to use,
1745 # trust that they are doing what they want.
aac9103b
TT		 1746 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1747 -a "$have_static_libs" = yes; then
0b21f5d3
EB		 1748 stage1_ldflags="-static-libstdc++ -static-libgcc"
1749 fi])
1750AC_SUBST(stage1_ldflags)
1751
5dc85f7e 1752# Libraries to use for stage2 and later builds.
00020c16 1753AC_ARG_WITH(boot-libs,
33e39b66 1754[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
00020c16
ILT		 1755[if test "$withval" = "no" -o "$withval" = "yes"; then
1756 poststage1_libs=
1757 else
e90e6bd7 1758 poststage1_libs=$withval
00020c16 1759 fi],
5dc85f7e 1760[poststage1_libs=])
00020c16
ILT		 1761AC_SUBST(poststage1_libs)
1762
ed2eaa9f
ILT		 1763# Linker flags to use for stage2 and later builds.
1764AC_ARG_WITH(boot-ldflags,
33e39b66
AS		 1765[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1766 [linker flags for stage2 and later])],
ed2eaa9f
ILT		 1767[if test "$withval" = "no" -o "$withval" = "yes"; then
1768 poststage1_ldflags=
1769 else
1770 poststage1_ldflags=$withval
1771 fi],
1772[poststage1_ldflags=
bec93d73
ILT		 1773 # In stages 2 and 3, default to linking libstdc++ and libgcc
1774 # statically. But if the user explicitly specified the libraries to
1775 # use, trust that they are doing what they want.
1776 if test "$poststage1_libs" = ""; then
ed2eaa9f
ILT		 1777 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1778 fi])
1779AC_SUBST(poststage1_ldflags)
1780
e357a5e0 1781# GCC GRAPHITE dependency isl.
4a9bb2aa 1782# Basic setup is inlined here, actual checks are in config/isl.m4
625afa23 1783
625afa23
RG		 1784AC_ARG_WITH(isl,
1785 [AS_HELP_STRING(
1786 [--with-isl=PATH],
e357a5e0 1787 [Specify prefix directory for the installed isl package.
625afa23
RG		 1788 Equivalent to --with-isl-include=PATH/include
1789 plus --with-isl-lib=PATH/lib])])
1790
eae1a5d4 1791# Treat --without-isl as a request to disable
625afa23 1792# GRAPHITE support and skip all following checks.
eae1a5d4 1793if test "x$with_isl" != "xno"; then
e357a5e0 1794 # Check for isl
625afa23
RG		 1795 dnl Provide configure switches and initialize islinc & isllibs
1796 dnl with user input.
1797 ISL_INIT_FLAGS
e357a5e0 1798 dnl The versions of isl that work for Graphite
e0c0c325 1799 ISL_CHECK_VERSION()
e357a5e0 1800 dnl Only execute fail-action, if isl has been requested.
33ad93b9 1801 ISL_IF_FAILED([
e357a5e0 1802 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
f8bf9252 1803fi
f8bf9252 1804
e357a5e0 1805# If the isl check failed, disable builds of in-tree variant of isl
625afa23 1806if test "x$with_isl" = xno ||
625afa23 1807 test "x$gcc_cv_isl" = xno; then
4a9bb2aa 1808 noconfigdirs="$noconfigdirs isl"
625afa23 1809 islinc=
eae1a5d4
RG		 1810fi
1811
1812AC_SUBST(isllibs)
625afa23 1813AC_SUBST(islinc)
625afa23 1814
d7f09764
DN		 1815# Check for LTO support.
1816AC_ARG_ENABLE(lto,
33e39b66 1817[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
d7f09764
DN		 1818enable_lto=$enableval,
1819enable_lto=yes; default_enable_lto=yes)
1820
48215350
DK		 1821ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1822 build_lto_plugin=yes
1823],[if test x"$default_enable_lto" = x"yes" ; then
bb79486c 1824 case $target in
deeba76a 1825 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
48215350 1826 # On other non-ELF platforms, LTO has yet to be validated.
bb79486c
JH		 1827 *) enable_lto=no ;;
1828 esac
3bec79c5 1829 else
db50fe7d
IS		 1830 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1831 # It would also be nice to check the binutils support, but we don't
3bec79c5
DK		 1832 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1833 # warn during gcc/ subconfigure; unless you're bootstrapping with
1834 # -flto it won't be needed until after installation anyway.
1835 case $target in
9e530bcd 1836 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
3bec79c5
DK		 1837 *) if test x"$enable_lto" = x"yes"; then
1838 AC_MSG_ERROR([LTO support is not enabled for this target.])
1839 fi
1840 ;;
1841 esac
1842 fi
1cd0b716 1843 # Among non-ELF, only Windows platforms support the lto-plugin so far.
48215350 1844 # Build it unless LTO was explicitly disabled.
1cd0b716 1845 case $target in
48215350 1846 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1cd0b716
DK		 1847 *) ;;
1848 esac
48215350 1849])
d7f09764 1850
45b3824d
TS		 1851AC_ARG_ENABLE(linker-plugin-configure-flags,
1852 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1853 [additional flags for configuring linker plugins @<:@none@:>@])],
1854 extra_linker_plugin_configure_flags=$enableval,
1855 extra_linker_plugin_configure_flags=)
1856AC_SUBST(extra_linker_plugin_configure_flags)
1857AC_ARG_ENABLE(linker-plugin-flags,
1858 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1859 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1860 extra_linker_plugin_flags=$enableval,
1861 extra_linker_plugin_flags=)
1862AC_SUBST(extra_linker_plugin_flags)
1863
cdfee50a
NS		 1864# Enable --enable-host-shared.
1865# Checked early to determine whether jit is an 'all' language
1866AC_ARG_ENABLE(host-shared,
1867[AS_HELP_STRING([--enable-host-shared],
1868 [build host code as shared libraries])],
1869[host_shared=$enableval], [host_shared=no])
1870AC_SUBST(host_shared)
f8bf9252 1871
0823efed 1872# By default, C and C++ are the only stage 1 languages.
e1888513 1873stage1_languages=,c,
2805b53a 1874
00020c16 1875# Target libraries that we bootstrap.
ad1e5170 1876bootstrap_target_libs=,target-libgcc,
00020c16 1877
e4c9c075
PB		 1878# Figure out what language subdirectories are present.
1879# Look if the user specified --enable-languages="..."; if not, use
1880# the environment variable $LANGUAGES if defined. $LANGUAGES might
1881# go away some day.
1882# NB: embedded tabs in this IF block -- do not untabify
1883if test -d ${srcdir}/gcc; then
1884 if test x"${enable_languages+set}" != xset; then
1885 if test x"${LANGUAGES+set}" = xset; then
1886 enable_languages="${LANGUAGES}"
6b1786aa 1887 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
e4c9c075 1888 else
cdfee50a 1889 enable_languages=default
e4c9c075
PB		 1890 fi
1891 else
1892 if test x"${enable_languages}" = x ||
1893 test x"${enable_languages}" = xyes;
1894 then
6b1786aa 1895 echo configure.ac: --enable-languages needs at least one language argument 1>&2
e4c9c075
PB		 1896 exit 1
1897 fi
1898 fi
1899 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1900
7f26dfa3
FXC		 1901 # 'f95' is the old name for the 'fortran' language. We issue a warning
1902 # and make the substitution.
1903 case ,${enable_languages}, in
1904 *,f95,*)
6b1786aa 1905 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
7f26dfa3
FXC		 1906 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1907 ;;
1908 esac
1909
0823efed
DN		 1910 # If bootstrapping, C++ must be enabled.
1911 case ",$enable_languages,:$enable_bootstrap" in
1912 *,c++,*:*) ;;
1913 *:yes)
ff3ac0f4
ILT		 1914 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1915 enable_languages="${enable_languages},c++"
1916 else
0823efed 1917 AC_MSG_ERROR([bootstrapping requires c++ sources])
ff3ac0f4
ILT		 1918 fi
1919 ;;
1920 esac
1921
e4c9c075
PB		 1922 # First scan to see if an enabled language requires some other language.
1923 # We assume that a given config-lang.in will list all the language
1924 # front ends it requires, even if some are required indirectly.
1925 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1926 case ${lang_frag} in
1927 ..) ;;
1928 # The odd quoting in the next line works around
1929 # an apparent bug in bash 1.12 on linux.
1930 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1931 *)
69ecd18f
ILT		 1932 # From the config-lang.in, get $language, $lang_requires, and
1933 # $lang_requires_boot_languages.
e4c9c075
PB		 1934 language=
1935 lang_requires=
69ecd18f 1936 lang_requires_boot_languages=
d4360477
NS		 1937 # set srcdir during sourcing lang_frag to the gcc dir.
1938 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1939 # polutes this shell
1940 saved_srcdir=${srcdir}
1941 srcdir=${srcdir}/gcc . ${lang_frag}
1942 srcdir=${saved_srcdir}
69ecd18f 1943 for other in ${lang_requires} ${lang_requires_boot_languages}; do
e4c9c075
PB		 1944 case ,${enable_languages}, in
1945 *,$other,*) ;;
cdfee50a 1946 *,default,*) ;;
e4c9c075
PB		 1947 *,all,*) ;;
1948 *,$language,*)
1949 echo " \`$other' language required by \`$language'; enabling" 1>&2
1950 enable_languages="${enable_languages},${other}"
1951 ;;
1952 esac
1953 done
69ecd18f
ILT		 1954 for other in ${lang_requires_boot_languages} ; do
1955 if test "$other" != "c"; then
1956 case ,${enable_stage1_languages}, in
1957 *,$other,*) ;;
cdfee50a 1958 *,default,*) ;;
69ecd18f
ILT		 1959 *,all,*) ;;
1960 *)
1961 case ,${enable_languages}, in
1962 *,$language,*)
1963 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1964 enable_stage1_languages="$enable_stage1_languages,${other}"
1965 ;;
1966 esac
1967 ;;
1968 esac
1969 fi
1970 done
e4c9c075
PB		 1971 ;;
1972 esac
1973 done
1974
e1888513 1975 new_enable_languages=,c,
d7f09764
DN		 1976
1977 # If LTO is enabled, add the LTO front end.
d7f09764 1978 if test "$enable_lto" = "yes" ; then
e4c5bd48
RW		 1979 case ,${enable_languages}, in
1980 *,lto,*) ;;
1981 *) enable_languages="${enable_languages},lto" ;;
1982 esac
1cd0b716 1983 if test "${build_lto_plugin}" = "yes" ; then
d7f09764 1984 configdirs="$configdirs lto-plugin"
d7f09764
DN		 1985 fi
1986 fi
d7f09764 1987
426c1eb0
TS		 1988 # If we're building an offloading compiler, add the LTO front end.
1989 if test x"$enable_as_accelerator_for" != x ; then
1990 case ,${enable_languages}, in
1991 *,lto,*) ;;
1992 *) enable_languages="${enable_languages},lto" ;;
1993 esac
1994 fi
1995
cdfee50a 1996 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
e1888513 1997 potential_languages=,c,
e4c9c075 1998
4da3b0f8
ILT		 1999 enabled_target_libs=
2000 disabled_target_libs=
2001
e4c9c075
PB		 2002 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
2003 case ${lang_frag} in
2004 ..) ;;
2005 # The odd quoting in the next line works around
2006 # an apparent bug in bash 1.12 on linux.
2007 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2008 *)
2009 # From the config-lang.in, get $language, $target_libs,
2805b53a 2010 # $lang_dirs, $boot_language, and $build_by_default
e4c9c075
PB		 2011 language=
2012 target_libs=
2013 lang_dirs=
1546bb64 2014 subdir_requires=
e1888513
PB		 2015 boot_language=no
2016 build_by_default=yes
d4360477
NS		 2017 # set srcdir during sourcing. See above about save & restore
2018 saved_srcdir=${srcdir}
2019 srcdir=${srcdir}/gcc . ${lang_frag}
2020 srcdir=${saved_srcdir}
e1888513
PB		 2021 if test x${language} = x; then
2022 echo "${lang_frag} doesn't set \$language." 1>&2
2023 exit 1
2024 fi
2025
78767fd9 2026 if test "$language" = "c++"; then
0823efed 2027 boot_language=yes
00020c16
ILT		 2028 fi
2029
178f875a 2030 add_this_lang=no
cdfee50a
NS		 2031 # C is always enabled, so no need to add it again
2032 if test "$language" != "c"; then
2033 case ,${enable_languages}, in
2034 *,${language},*)
2035 # Language was explicitly selected; include it
d4a10d0a 2036 add_this_lang=yes
cdfee50a
NS		 2037 ;;
2038 *,all,*)
2039 # All languages are enabled
2040 add_this_lang=all
2041 ;;
2042 *,default,*)
2043 # 'default' was selected, select it if it is a default language
178f875a 2044 add_this_lang=${build_by_default}
cdfee50a
NS		 2045 ;;
2046 esac
2047 fi
6de9cd9a 2048
1546bb64 2049 # Disable languages that need other directories if these aren't available.
95695ad3 2050 for i in $subdir_requires; do
b6348cb3 2051 test -f "$srcdir/gcc/$i/config-lang.in" && continue
cdfee50a
NS		 2052 case ${add_this_lang} in
2053 yes)
1546bb64
PB		 2054 # Specifically requested language; tell them.
2055 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2056 ;;
cdfee50a
NS		 2057 all)
2058 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
2059 add_this_lang=unsupported
2060 ;;
1546bb64
PB		 2061 *)
2062 # Silently disable.
e1888513 2063 add_this_lang=unsupported
1546bb64
PB		 2064 ;;
2065 esac
2066 done
2067
e1888513 2068 # Disable Ada if no preexisting GNAT is available.
cdfee50a
NS		 2069 case ${add_this_lang}:${language}:${have_gnat} in
2070 yes:ada:no)
e1888513
PB		 2071 # Specifically requested language; tell them.
2072 AC_MSG_ERROR([GNAT is required to build $language])
2073 ;;
cdfee50a
NS		 2074 all:ada:no)
2075 AC_MSG_WARN([GNAT is required to build $language])
2076 add_this_lang=unsupported
2077 ;;
e1888513
PB		 2078 *:ada:no)
2079 # Silently disable.
2080 add_this_lang=unsupported
2081 ;;
2082 esac
2083
cdfee50a
NS		 2084 # Disable jit if -enable-host-shared not specified
2085 case ${add_this_lang}:${language}:${host_shared} in
2086 yes:jit:no)
2087 # PR jit/64780: explicitly specify --enable-host-shared
2088 AC_MSG_ERROR([
2089Enabling language "jit" requires --enable-host-shared.
2090
2091--enable-host-shared typically slows the rest of the compiler down by
2092a few %, so you must explicitly enable it.
2093
2094If you want to build both the jit and the regular compiler, it is often
2095best to do this via two separate configure/builds, in separate
2096directories, to avoid imposing the performance cost of
2097--enable-host-shared on the regular compiler.])
2098 ;;
2099 all:jit:no)
2100 AC_MSG_WARN([--enable-host-shared required to build $language])
2101 add_this_lang=unsupported
2102 ;;
2103 *:jit:no)
2104 # Silently disable.
2105 add_this_lang=unsupported
2106 ;;
2107 esac
2108
2109 # Disable a language that is unsupported by the target.
2110 case "${add_this_lang}: $unsupported_languages " in
2111 no:*) ;;
2112 unsupported:*) ;;
2113 *:*" $language "*)
2114 AC_MSG_WARN([${language} not supported for this target])
e1888513 2115 add_this_lang=unsupported
4fab7234
HPN		 2116 ;;
2117 esac
2118
6de9cd9a 2119 case $add_this_lang in
e1888513 2120 unsupported)
e4c9c075 2121 # Remove language-dependent dirs.
4da3b0f8
ILT		 2122 disabled_target_libs="$disabled_target_libs $target_libs"
2123 noconfigdirs="$noconfigdirs $lang_dirs"
2805b53a 2124 ;;
e1888513
PB		 2125 no)
2126 # Remove language-dependent dirs; still show language as supported.
4da3b0f8
ILT		 2127 disabled_target_libs="$disabled_target_libs $target_libs"
2128 noconfigdirs="$noconfigdirs $lang_dirs"
e1888513
PB		 2129 potential_languages="${potential_languages}${language},"
2130 ;;
cdfee50a 2131 all|yes)
e1888513
PB		 2132 new_enable_languages="${new_enable_languages}${language},"
2133 potential_languages="${potential_languages}${language},"
2805b53a 2134 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
4da3b0f8 2135 enabled_target_libs="$enabled_target_libs $target_libs"
ab9dcd0c
RW		 2136 case "${boot_language}:,$enable_stage1_languages," in
2137 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
340de83f 2138 # Add to (comma-separated) list of stage 1 languages.
ab9dcd0c
RW		 2139 case ",$stage1_languages," in
2140 *,$language,* | ,yes, | ,all,) ;;
2141 *) stage1_languages="${stage1_languages}${language}," ;;
2142 esac
00020c16
ILT		 2143 # We need to bootstrap any supporting libraries.
2144 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2805b53a
NN		 2145 ;;
2146 esac
2147 ;;
e4c9c075
PB		 2148 esac
2149 ;;
2150 esac
2151 done
2152
4da3b0f8
ILT		 2153 # Add target libraries which are only needed for disabled languages
2154 # to noconfigdirs.
2155 if test -n "$disabled_target_libs"; then
2156 for dir in $disabled_target_libs; do
2157 case " $enabled_target_libs " in
2158 *" ${dir} "*) ;;
2159 *) noconfigdirs="$noconfigdirs $dir" ;;
2160 esac
2161 done
2162 fi
2163
e1888513 2164 AC_ARG_ENABLE(stage1-languages,
33e39b66
AS		 2165 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2166 [choose additional languages to build during
2167 stage1. Mostly useful for compiler development])],
e1888513
PB		 2168 [case ,${enable_stage1_languages}, in
2169 ,no,|,,)
2170 # Set it to something that will have no effect in the loop below
2171 enable_stage1_languages=c ;;
2172 ,yes,)
2173 enable_stage1_languages=`echo $new_enable_languages | \
2174 sed -e "s/^,//" -e "s/,$//" ` ;;
2175 *,all,*)
2176 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2177 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2178 esac
2179
2180 # Add "good" languages from enable_stage1_languages to stage1_languages,
2181 # while "bad" languages go in missing_languages. Leave no duplicates.
2182 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2183 case $potential_languages in
2184 *,$i,*)
2185 case $stage1_languages in
2186 *,$i,*) ;;
2187 *) stage1_languages="$stage1_languages$i," ;;
2188 esac ;;
2189 *)
2190 case $missing_languages in
2191 *,$i,*) ;;
2192 *) missing_languages="$missing_languages$i," ;;
2193 esac ;;
2194 esac
2195 done])
2196
2197 # Remove leading/trailing commas that were added for simplicity
2198 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
79b4b7d2 2199 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
e1888513
PB		 2200 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2201 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2202
e4c9c075
PB		 2203 if test "x$missing_languages" != x; then
2204 AC_MSG_ERROR([
0cf085e4 2205The following requested languages could not be built: ${missing_languages}
e1888513 2206Supported languages are: ${potential_languages}])
e4c9c075 2207 fi
e4c9c075
PB		 2208 if test "x$new_enable_languages" != "x$enable_languages"; then
2209 echo The following languages will be built: ${new_enable_languages}
e1888513 2210 enable_languages="$new_enable_languages"
e4c9c075 2211 fi
e1888513
PB		 2212
2213 AC_SUBST(stage1_languages)
b2eaac4a 2214 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
e4c9c075
PB		 2215fi
2216
27079765
AH		 2217# Handle --disable-<component> generically.
2218for dir in $configdirs $build_configdirs $target_configdirs ; do
2219 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
ac9e6043
RW		 2220 varname=`echo $dirname | sed -e s/+/_/g`
2221 if eval test x\${enable_${varname}} "=" xno ; then
27079765
AH		 2222 noconfigdirs="$noconfigdirs $dir"
2223 fi
2224done
2225
43c40f3e
RO		 2226# Check for Boehm's garbage collector
2227AC_ARG_ENABLE(objc-gc,
2228[AS_HELP_STRING([--enable-objc-gc],
2229 [enable use of Boehm's garbage collector with the
114bf3f1
MK		 2230 GNU Objective-C runtime])])
2231AC_ARG_WITH([target-bdw-gc],
2232[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2233 [specify prefix directory for installed bdw-gc package.
2234 Equivalent to --with-target-bdw-gc-include=PATH/include
2235 plus --with-target-bdw-gc-lib=PATH/lib])])
2236AC_ARG_WITH([target-bdw-gc-include],
2237[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2238 [specify directories for installed bdw-gc include files])])
2239AC_ARG_WITH([target-bdw-gc-lib],
2240[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2241 [specify directories for installed bdw-gc library])])
2242
2243case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2244 AC_MSG_CHECKING([for bdw garbage collector])
2245 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
825fba52
MK		 2246 dnl no bdw-gw options, assume default locations
2247 AC_MSG_RESULT([using bdw-gc in default locations])
114bf3f1
MK		 2248 else
2249 dnl bdw-gw options, first error checking, complete checking in libobjc
2250 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2251 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2252 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2253 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2254 else
2255 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2256 fi
2257 fi
43c40f3e
RO		 2258esac
2259
5e9d6aa4 2260# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
99776ebd 2261case ,${enable_languages}, in
1007a55c 2262 *,c++,*)
5e9d6aa4 2263 # Disable libitm, libsanitizer if we're not building libstdc++
1007a55c
JW		 2264 case "${noconfigdirs}" in
2265 *target-libstdc++-v3*)
5e9d6aa4 2266 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
1007a55c
JW		 2267 ;;
2268 *) ;;
2269 esac
2270 ;;
99776ebd 2271 *)
5e9d6aa4 2272 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
99776ebd
RH		 2273 ;;
2274esac
7cd0cf9c 2275
9d069a4f
PB		 2276# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2277# $build_configdirs and $target_configdirs.
e4c9c075
PB		 2278# If we have the source for $noconfigdirs entries, add them to $notsupp.
2279
2280notsupp=""
2281for dir in . $skipdirs $noconfigdirs ; do
9d069a4f 2282 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
e4c9c075
PB		 2283 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2284 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2285 if test -r $srcdir/$dirname/configure ; then
2286 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2287 true
2288 else
2289 notsupp="$notsupp $dir"
2290 fi
2291 fi
2292 fi
9d069a4f
PB		 2293 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2294 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2295 if test -r $srcdir/$dirname/configure ; then
2296 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2297 true
2298 else
2299 notsupp="$notsupp $dir"
2300 fi
2301 fi
2302 fi
e4c9c075
PB		 2303 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2304 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2305 if test -r $srcdir/$dirname/configure ; then
2306 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2307 true
2308 else
2309 notsupp="$notsupp $dir"
2310 fi
2311 fi
2312 fi
2313done
2314
e4c9c075
PB		 2315# Quietly strip out all directories which aren't configurable in this tree.
2316# This relies on all configurable subdirectories being autoconfiscated, which
2317# is now the case.
23f6b2f9
PB		 2318build_configdirs_all="$build_configdirs"
2319build_configdirs=
2320for i in ${build_configdirs_all} ; do
2321 j=`echo $i | sed -e s/build-//g`
2322 if test -f ${srcdir}/$j/configure ; then
2323 build_configdirs="${build_configdirs} $i"
2324 fi
2325done
2326
e4c9c075
PB		 2327configdirs_all="$configdirs"
2328configdirs=
2329for i in ${configdirs_all} ; do
2330 if test -f ${srcdir}/$i/configure ; then
2331 configdirs="${configdirs} $i"
2332 fi
2333done
23f6b2f9 2334
e4c9c075
PB		 2335target_configdirs_all="$target_configdirs"
2336target_configdirs=
2337for i in ${target_configdirs_all} ; do
2338 j=`echo $i | sed -e s/target-//g`
2339 if test -f ${srcdir}/$j/configure ; then
2340 target_configdirs="${target_configdirs} $i"
2341 fi
2342done
2343
45b3824d
TS		 2344# libiberty-linker-plugin is special: it doesn't have its own source directory,
2345# so we have to add it after the preceding checks.
2346if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2347then
2348 case " $configdirs " in
2349 *" libiberty "*)
2350 # If we can build libiberty, we can also build libiberty-linker-plugin.
2351 configdirs="$configdirs libiberty-linker-plugin"
2352 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2353 --with-libiberty=../libiberty-linker-plugin";;
2354 *)
2355 AC_MSG_ERROR([libiberty missing]);;
2356 esac
2357fi
2358
fca38047
TS		 2359# Sometimes we have special requirements for the host libiberty.
2360extra_host_libiberty_configure_flags=
1c01ebf6 2361extra_host_zlib_configure_flags=
fca38047
TS		 2362case " $configdirs " in
2363 *" lto-plugin "* | *" libcc1 "*)
2364 # When these are to be built as shared libraries, the same applies to
2365 # libiberty.
2366 extra_host_libiberty_configure_flags=--enable-shared
2367 ;;
1c01ebf6
L		 2368 *" bfd "*)
2369 # When bfd is to be built as a shared library, the same applies to
2370 # zlib.
2371 if test "$enable_shared" = "yes"; then
2372 extra_host_zlib_configure_flags=--enable-host-shared
2373 fi
2374 ;;
fca38047
TS		 2375esac
2376AC_SUBST(extra_host_libiberty_configure_flags)
1c01ebf6 2377AC_SUBST(extra_host_zlib_configure_flags)
fca38047 2378
e4c9c075
PB		 2379# Produce a warning message for the subdirs we can't configure.
2380# This isn't especially interesting in the Cygnus tree, but in the individual
2381# FSF releases, it's important to let people know when their machine isn't
2382# supported by the one or two programs in a package.
2383
2384if test -n "${notsupp}" && test -z "${norecursion}" ; then
2385 # If $appdirs is non-empty, at least one of those directories must still
2386 # be configured, or we error out. (E.g., if the gas release supports a
2387 # specified target in some subdirs but not the gas subdir, we shouldn't
2388 # pretend that all is well.)
2389 if test -n "$appdirs" ; then
2390 for dir in $appdirs ; do
2391 if test -r $dir/Makefile.in ; then
2392 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2393 appdirs=""
2394 break
2395 fi
23f6b2f9 2396 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
e4c9c075
PB		 2397 appdirs=""
2398 break
2399 fi
2400 fi
2401 done
2402 if test -n "$appdirs" ; then
2403 echo "*** This configuration is not supported by this package." 1>&2
2404 exit 1
2405 fi
2406 fi
2407 # Okay, some application will build, or we don't care to check. Still
2408 # notify of subdirs not getting built.
2409 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2410 echo " ${notsupp}" 1>&2
2411 echo " (Any other directories should still work fine.)" 1>&2
2412fi
2413
2414case "$host" in
2415 *msdosdjgpp*)
2416 enable_gdbtk=no ;;
2417esac
2418
c3a86da9
DJ		 2419# To find our prefix, in gcc_cv_tool_prefix.
2420ACX_TOOL_DIRS
2421
e4c9c075
PB		 2422copy_dirs=
2423
526635cb 2424AC_ARG_WITH([build-sysroot],
33e39b66
AS		 2425 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2426 [use sysroot as the system root during the build])],
526635cb
MM		 2427 [if test x"$withval" != x ; then
2428 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2429 fi],
2430 [SYSROOT_CFLAGS_FOR_TARGET=])
2431AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2432
c8aea42c 2433AC_ARG_WITH([debug-prefix-map],
33e39b66
AS		 2434 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2435 [map A to B, C to D ... in debug information])],
c8aea42c
PB		 2436 [if test x"$withval" != x; then
2437 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2438 for debug_map in $withval; do
2439 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2440 done
2441 fi],
2442 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2443AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2444
1c8bd6a3
PB		 2445# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2446# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2447# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2448# We want to ensure that TARGET libraries (which we know are built with
2449# gcc) are built with "-O2 -g", so include those options when setting
2450# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2451if test "x$CFLAGS_FOR_TARGET" = x; then
fc30054e
AH		 2452 if test "x${is_cross_compiler}" = xyes; then
2453 CFLAGS_FOR_TARGET="-g -O2"
2454 else
2455 CFLAGS_FOR_TARGET=$CFLAGS
2456 case " $CFLAGS " in
2457 *" -O2 "*) ;;
2458 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2459 esac
2460 case " $CFLAGS " in
2461 *" -g "* | *" -g3 "*) ;;
2462 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2463 esac
2464 fi
1c8bd6a3
PB		 2465fi
2466AC_SUBST(CFLAGS_FOR_TARGET)
2467
2468if test "x$CXXFLAGS_FOR_TARGET" = x; then
fc30054e
AH		 2469 if test "x${is_cross_compiler}" = xyes; then
2470 CXXFLAGS_FOR_TARGET="-g -O2"
2471 else
2472 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2473 case " $CXXFLAGS " in
2474 *" -O2 "*) ;;
2475 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2476 esac
2477 case " $CXXFLAGS " in
2478 *" -g "* | *" -g3 "*) ;;
2479 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2480 esac
2481 fi
1c8bd6a3
PB		 2482fi
2483AC_SUBST(CXXFLAGS_FOR_TARGET)
2484
6f57bdf6
DK		 2485AC_SUBST(LDFLAGS_FOR_TARGET)
2486
e4c9c075
PB		 2487# Handle --with-headers=XXX. If the value is not "yes", the contents of
2488# the named directory are copied to $(tooldir)/sys-include.
2489if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2490 if test x${is_cross_compiler} = xno ; then
2491 echo 1>&2 '***' --with-headers is only supported when cross compiling
2492 exit 1
2493 fi
2494 if test x"${with_headers}" != xyes ; then
c3a86da9 2495 x=${gcc_cv_tool_prefix}
1c710c3c 2496 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
e4c9c075
PB		 2497 fi
2498fi
2499
2500# Handle --with-libs=XXX. If the value is not "yes", the contents of
2501# the name directories are copied to $(tooldir)/lib. Multiple directories
2502# are permitted.
2503if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2504 if test x${is_cross_compiler} = xno ; then
2505 echo 1>&2 '***' --with-libs is only supported when cross compiling
2506 exit 1
2507 fi
2508 if test x"${with_libs}" != xyes ; then
2509 # Copy the libraries in reverse order, so that files in the first named
2510 # library override files in subsequent libraries.
c3a86da9 2511 x=${gcc_cv_tool_prefix}
e4c9c075 2512 for l in ${with_libs}; do
1c710c3c 2513 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
e4c9c075
PB		 2514 done
2515 fi
2516fi
2517
d7f09764 2518# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
e8b05380
PB		 2519#
2520# This is done by determining whether or not the appropriate directory
2521# is available, and by checking whether or not specific configurations
2522# have requested that this magic not happen.
2523#
2524# The command line options always override the explicit settings in
6b1786aa 2525# configure.ac, and the settings in configure.ac override this magic.
e8b05380
PB		 2526#
2527# If the default for a toolchain is to use GNU as and ld, and you don't
2528# want to do that, then you should use the --without-gnu-as and
d7f09764
DN		 2529# --without-gnu-ld options for the configure script. Similarly, if
2530# the default is to use the included zlib and you don't want to do that,
2531# you should use the --with-system-zlib option for the configure script.
e8b05380
PB		 2532
2533if test x${use_gnu_as} = x &&
2534 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2535 with_gnu_as=yes
2536 extra_host_args="$extra_host_args --with-gnu-as"
2537fi
2538
2539if test x${use_gnu_ld} = x &&
5afab7ad 2540 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
e8b05380
PB		 2541 with_gnu_ld=yes
2542 extra_host_args="$extra_host_args --with-gnu-ld"
2543fi
2544
d7f09764
DN		 2545if test x${use_included_zlib} = x &&
2546 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2547 :
2548else
2549 with_system_zlib=yes
2550 extra_host_args="$extra_host_args --with-system-zlib"
2551fi
2552
e8b05380
PB		 2553# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2554# can detect this case.
2555
2556if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2557 with_newlib=yes
2558 extra_host_args="$extra_host_args --with-newlib"
2559fi
2560
e4c9c075
PB		 2561# Handle ${copy_dirs}
2562set fnord ${copy_dirs}
2563shift
2564while test $# != 0 ; do
2565 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2566 :
2567 else
2568 echo Copying $1 to $2
2569
2570 # Use the install script to create the directory and all required
2571 # parent directories.
2572 if test -d $2 ; then
2573 :
2574 else
2575 echo >config.temp
2576 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2577 fi
2578
2579 # Copy the directory, assuming we have tar.
2580 # FIXME: Should we use B in the second tar? Not all systems support it.
2581 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2582
2583 # It is the responsibility of the user to correctly adjust all
2584 # symlinks. If somebody can figure out how to handle them correctly
2585 # here, feel free to add the code.
2586
2587 echo $1 > $2/COPIED
2588 fi
2589 shift; shift
2590done
2591
e8b05380
PB		 2592# Determine a target-dependent exec_prefix that the installed
2593# gcc will search in. Keep this list sorted by triplet, with
2594# the *-*-osname triplets last.
2595md_exec_prefix=
2596case "${target}" in
30b74385 2597 i[[34567]]86-pc-msdosdjgpp*)
e8b05380
PB		 2598 md_exec_prefix=/dev/env/DJDIR/bin
2599 ;;
e8b05380 2600 *-*-hpux* | \
e8b05380 2601 *-*-nto-qnx* | \
6de66370 2602 *-*-solaris2*)
e8b05380
PB		 2603 md_exec_prefix=/usr/ccs/bin
2604 ;;
2605esac
2606
4977bab6
ZW		 2607extra_arflags_for_target=
2608extra_nmflags_for_target=
2a726918 2609extra_ranlibflags_for_target=
671aa708 2610target_makefile_frag=/dev/null
55380b08 2611case "${target}" in
58e24147
AM		 2612 spu-*-*)
2613 target_makefile_frag="config/mt-spu"
2614 ;;
74ae587e 2615 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
4bf6c438
RS		 2616 target_makefile_frag="config/mt-sde"
2617 ;;
1ec3b87b
RS		 2618 mipsisa*-*-elfoabi*)
2619 target_makefile_frag="config/mt-mips-elfoabi"
2620 ;;
08d0963a
RS		 2621 mips*-*-*linux* | mips*-*-gnu*)
2622 target_makefile_frag="config/mt-mips-gnu"
2623 ;;
707f1839
SL		 2624 nios2-*-elf*)
2625 target_makefile_frag="config/mt-nios2-elf"
2626 ;;
76052545
EB		 2627 *-*-linux-android*)
2628 target_makefile_frag="config/mt-android"
2629 ;;
416ac4d4 2630 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
98a5bb3b 2631 target_makefile_frag="config/mt-gnu"
55380b08 2632 ;;
671aa708 2633 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
4977bab6
ZW		 2634 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2635 # commands to handle both 32-bit and 64-bit objects. These flags are
2636 # harmless if we're using GNU nm or ar.
2637 extra_arflags_for_target=" -X32_64"
2638 extra_nmflags_for_target=" -B -X32_64"
55380b08 2639 ;;
c3b7d169
NN		 2640esac
2641
671aa708 2642alphaieee_frag=/dev/null
c3b7d169
NN		 2643case $target in
2644 alpha*-*-*)
2645 # This just makes sure to use the -mieee option to build target libs.
2646 # This should probably be set individually by each library.
2647 alphaieee_frag="config/mt-alphaieee"
55380b08
NN		 2648 ;;
2649esac
701afd4d 2650
55380b08
NN		 2651# If --enable-target-optspace always use -Os instead of -O2 to build
2652# the target libraries, similarly if it is not specified, use -Os
2653# on selected platforms.
671aa708 2654ospace_frag=/dev/null
55380b08
NN		 2655case "${enable_target_optspace}:${target}" in
2656 yes:*)
c3b7d169 2657 ospace_frag="config/mt-ospace"
55380b08
NN		 2658 ;;
2659 :d30v-*)
c3b7d169 2660 ospace_frag="config/mt-d30v"
55380b08 2661 ;;
d9063947 2662 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
c3b7d169 2663 ospace_frag="config/mt-ospace"
55380b08
NN		 2664 ;;
2665 no:* | :*)
2666 ;;
2667 *)
2668 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2669 ;;
2670esac
6599da04 2671
671aa708
NN		 2672# Some systems (e.g., one of the i386-aix systems the gas testers are
2673# using) don't handle "\$" correctly, so don't use it here.
1c710c3c 2674tooldir='${exec_prefix}'/${target_noncanonical}
671aa708
NN		 2675build_tooldir=${tooldir}
2676
671aa708
NN		 2677# Create a .gdbinit file which runs the one in srcdir
2678# and tells GDB to look there for source files.
2679
2680if test -r ${srcdir}/.gdbinit ; then
2681 case ${srcdir} in
2682 .) ;;
2683 *) cat > ./.gdbinit <<EOF
2684# ${NO_EDIT}
2685dir ${srcdir}
2686dir .
2687source ${srcdir}/.gdbinit
2688EOF
2689 ;;
2690 esac
2691fi
2692
6599da04
JM		 2693# Make sure that the compiler is able to generate an executable. If it
2694# can't, we are probably in trouble. We don't care whether we can run the
2695# executable--we might be using a cross compiler--we only care whether it
2696# can be created. At this point the main configure script has set CC.
aeaa0f2f 2697we_are_ok=no
6599da04
JM		 2698echo "int main () { return 0; }" > conftest.c
2699${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
aeaa0f2f
NN		 2700if test $? = 0 ; then
2701 if test -s conftest || test -s conftest.exe ; then
2702 we_are_ok=yes
2703 fi
2704fi
2705case $we_are_ok in
2706 no)
2707 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2708 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2709 rm -f conftest*
2710 exit 1
2711 ;;
2712esac
6599da04
JM		 2713rm -f conftest*
2714
d89f0ad6 2715# Decide which environment variable is used to find dynamic libraries.
fe3d5b7f
NN		 2716case "${host}" in
2717 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
111eeb6e 2718 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
d89f0ad6 2719 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
fe3d5b7f
NN		 2720 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2721esac
fe3d5b7f 2722
d89f0ad6
AL		 2723# On systems where the dynamic library environment variable is PATH,
2724# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2725# built executables to PATH.
2726if test "$RPATH_ENVVAR" = PATH; then
2727 GCC_SHLIB_SUBDIR=/shlib
2728else
2729 GCC_SHLIB_SUBDIR=
2730fi
2731
beeda1d9
JJ		 2732# Adjust the toplevel makefile according to whether bootstrap was selected.
2733case $enable_bootstrap in
2734 yes)
2735 bootstrap_suffix=bootstrap
2736 BUILD_CONFIG=bootstrap-debug
2737 ;;
2738 no)
2739 bootstrap_suffix=no-bootstrap
2740 BUILD_CONFIG=
2741 ;;
2742esac
2743
2744AC_MSG_CHECKING(for default BUILD_CONFIG)
2745
2746AC_ARG_WITH([build-config],
2747 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2748 [use config/NAME.mk build configuration])],
2749 [case $with_build_config in
2750 yes) with_build_config= ;;
2751 no) with_build_config= BUILD_CONFIG= ;;
2752 esac])
2753
2754if test "x${with_build_config}" != x; then
2755 BUILD_CONFIG=$with_build_config
2756else
2757 case $BUILD_CONFIG in
2758 bootstrap-debug)
2759 if echo "int f (void) { return 0; }" > conftest.c &&
2760 ${CC} -c conftest.c &&
2761 mv conftest.o conftest.o.g0 &&
2762 ${CC} -c -g conftest.c &&
2763 mv conftest.o conftest.o.g &&
2764 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2765 :
2766 else
2767 BUILD_CONFIG=
2768 fi
2769 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2770 ;;
2771 esac
2772fi
2773AC_MSG_RESULT($BUILD_CONFIG)
2774AC_SUBST(BUILD_CONFIG)
2775
2776# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2777AC_MSG_CHECKING([for --enable-vtable-verify])
2778AC_ARG_ENABLE(vtable-verify,
318a4e6d
MF		 2779[AS_HELP_STRING([--enable-vtable-verify],
2780 [Enable vtable verification feature])],
beeda1d9
JJ		 2781[case "$enableval" in
2782 yes) enable_vtable_verify=yes ;;
2783 no) enable_vtable_verify=no ;;
2784 *) enable_vtable_verify=no;;
2785 esac],
2786[enable_vtable_verify=no])
2787AC_MSG_RESULT($enable_vtable_verify)
2788
4977bab6
ZW		 2789# Record target_configdirs and the configure arguments for target and
2790# build configuration in Makefile.
2791target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
23f6b2f9 2792build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
9e1c8fc1 2793bootstrap_fixincludes=no
4977bab6 2794
ad1e5170
JR		 2795# If we are building libgomp, bootstrap it.
2796if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2797 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2798fi
2799
beeda1d9
JJ		 2800# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2801# or bootstrap-ubsan, bootstrap it.
2802if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2803 case "$BUILD_CONFIG" in
2804 *bootstrap-asan* | *bootstrap-ubsan* )
2805 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
9e1c8fc1 2806 bootstrap_fixincludes=yes
beeda1d9
JJ		 2807 ;;
2808 esac
ac8701fe
L		 2809fi
2810
beeda1d9
JJ		 2811# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2812if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2813 test "$enable_vtable_verify" != no; then
2077db1b
CT		 2814 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2815fi
2816
4977bab6
ZW		 2817# Determine whether gdb needs tk/tcl or not.
2818# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2819# and in that case we want gdb to be built without tk. Ugh!
2820# In fact I believe gdb is the *only* package directly dependent on tk,
2821# so we should be able to put the 'maybe's in unconditionally and
2822# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2823# 100% sure that that's safe though.
e914a571 2824
b4f96efe 2825gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
4977bab6
ZW		 2826case "$enable_gdbtk" in
2827 no)
2828 GDB_TK="" ;;
e914a571
AC		 2829 yes)
2830 GDB_TK="${gdb_tk}" ;;
4977bab6 2831 *)
e914a571
AC		 2832 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2833 # distro. Eventually someone will fix this and move Insight, nee
2834 # gdbtk to a separate directory.
2835 if test -d ${srcdir}/gdb/gdbtk ; then
2836 GDB_TK="${gdb_tk}"
2837 else
2838 GDB_TK=""
2839 fi
2840 ;;
4977bab6 2841esac
ef9db8d5
DJ		 2842CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2843INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
4977bab6 2844
f9d09df0
TT		 2845# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2846# else does, only include them if one of these is built. The Makefile
2847# provides the ordering, so it's enough here to add to the list.
2848case " ${configdirs} " in
2849 *\ gdb\ *)
2850 configdirs="${configdirs} gnulib gdbsupport"
2851 ;;
2852 *\ gdbserver\ *)
2853 configdirs="${configdirs} gnulib gdbsupport"
2854 ;;
2855esac
98e5be21 2856
60975492 2857# Strip out unwanted targets.
8b87bb96
NN		 2858
2859# While at that, we remove Makefiles if we were started for recursive
2860# configuration, so that the top-level Makefile reconfigures them,
2861# like we used to do when configure itself was recursive.
8b87bb96 2862
3e54529c
RW		 2863# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2864# but now we're fixing up the Makefile ourselves with the additional
2865# commands passed to AC_CONFIG_FILES. Use separate variables
2866# extrasub-{build,host,target} not because there is any reason to split
2867# the substitutions up that way, but only to remain below the limit of
2868# 99 commands in a script, for HP-UX sed.
da34ca3f
AO		 2869
2870# Do not nest @if/@endif or @unless/@endunless pairs, because
2871# configure will not warn you at all.
8b87bb96 2872
79cd2b23
RW		 2873case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2874 yes:yes:*\ gold\ *:*,c++,*) ;;
2875 yes:yes:*\ gold\ *:*)
2876 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2877 ;;
2878esac
2879
3e54529c 2880extrasub_build=
23f6b2f9 2881for module in ${build_configdirs} ; do
8b87bb96
NN		 2882 if test -z "${no_recursion}" \
2883 && test -f ${build_subdir}/${module}/Makefile; then
2884 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2885 rm -f ${build_subdir}/${module}/Makefile
2886 fi
3e54529c 2887 extrasub_build="$extrasub_build
60975492 2888/^@if build-$module\$/d
5607edfd 2889/^@endif build-$module\$/d
da34ca3f 2890/^@unless build-$module\$/,/^@endunless build-$module\$/d
5607edfd 2891/^@if build-$module-$bootstrap_suffix\$/d
da34ca3f
AO		 2892/^@endif build-$module-$bootstrap_suffix\$/d
2893/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
8b87bb96 2894done
3e54529c 2895extrasub_host=
8b87bb96 2896for module in ${configdirs} ; do
a6fbc1e2 2897 if test -z "${no_recursion}"; then
f063a9ed 2898 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
a6fbc1e2
AS		 2899 if test -f ${file}; then
2900 echo 1>&2 "*** removing ${file} to force reconfigure"
2901 rm -f ${file}
2902 fi
2903 done
8b87bb96 2904 fi
9e1c8fc1
JJ		 2905 case ${module},${bootstrap_fixincludes} in
2906 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2907 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2908 esac
3e54529c 2909 extrasub_host="$extrasub_host
60975492 2910/^@if $module\$/d
5607edfd 2911/^@endif $module\$/d
da34ca3f 2912/^@unless $module\$/,/^@endunless $module\$/d
9e1c8fc1 2913/^@if $module-$host_bootstrap_suffix\$/d
da34ca3f
AO		 2914/^@endif $module-$host_bootstrap_suffix\$/d
2915/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
8b87bb96 2916done
3e54529c 2917extrasub_target=
8b87bb96
NN		 2918for module in ${target_configdirs} ; do
2919 if test -z "${no_recursion}" \
2920 && test -f ${target_subdir}/${module}/Makefile; then
2921 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2922 rm -f ${target_subdir}/${module}/Makefile
2923 fi
00020c16
ILT		 2924
2925 # We only bootstrap target libraries listed in bootstrap_target_libs.
2926 case $bootstrap_target_libs in
2927 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2928 *) target_bootstrap_suffix=no-bootstrap ;;
2929 esac
2930
3e54529c 2931 extrasub_target="$extrasub_target
60975492 2932/^@if target-$module\$/d
5607edfd 2933/^@endif target-$module\$/d
da34ca3f 2934/^@unless target-$module\$/,/^@endunless target-$module\$/d
00020c16 2935/^@if target-$module-$target_bootstrap_suffix\$/d
da34ca3f
AO		 2936/^@endif target-$module-$target_bootstrap_suffix\$/d
2937/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
4977bab6 2938done
f516a7da 2939
3e54529c
RW		 2940# Do the final fixup along with target modules.
2941extrasub_target="$extrasub_target
da34ca3f
AO		 2942/^@if /,/^@endif /d
2943/^@unless /d
2944/^@endunless /d"
4977bab6
ZW		 2945
2946# Create the serialization dependencies. This uses a temporary file.
2947
ade82b16 2948AC_ARG_ENABLE([serial-configure],
33e39b66
AS		 2949[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2950 [force sequential configuration of
2951 sub-packages for the host, target or build
2952 machine, or all sub-packages])])
bf1d3e81
NN		 2953
2954case ${enable_serial_configure} in
2955 yes)
2956 enable_serial_build_configure=yes
2957 enable_serial_host_configure=yes
2958 enable_serial_target_configure=yes
2959 ;;
2960esac
ade82b16 2961
4977bab6
ZW		 2962# These force 'configure's to be done one at a time, to avoid problems
2963# with contention over a shared config.cache.
2964rm -f serdep.tmp
ade82b16 2965echo '# serdep.tmp' > serdep.tmp
4977bab6 2966olditem=
bf1d3e81 2967test "x${enable_serial_build_configure}" = xyes &&
4977bab6
ZW		 2968for item in ${build_configdirs} ; do
2969 case ${olditem} in
2970 "") ;;
ade82b16 2971 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2972 esac
2973 olditem=${item}
2974done
2975olditem=
bf1d3e81 2976test "x${enable_serial_host_configure}" = xyes &&
4977bab6
ZW		 2977for item in ${configdirs} ; do
2978 case ${olditem} in
2979 "") ;;
ade82b16 2980 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2981 esac
2982 olditem=${item}
2983done
2984olditem=
bf1d3e81 2985test "x${enable_serial_target_configure}" = xyes &&
4977bab6
ZW		 2986for item in ${target_configdirs} ; do
2987 case ${olditem} in
2988 "") ;;
ade82b16 2989 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
4977bab6
ZW		 2990 esac
2991 olditem=${item}
2992done
671aa708
NN		 2993serialization_dependencies=serdep.tmp
2994AC_SUBST_FILE(serialization_dependencies)
fe3d5b7f 2995
ade82b16 2996# Base args. Strip norecursion, cache-file, srcdir, host, build,
1c710c3c 2997# target, nonopt, and variable assignments. These are the ones we
f1a036e4
NC		 2998# might not want to pass down to subconfigures. The exception being
2999# --cache-file=/dev/null, which is used to turn off the use of cache
3000# files altogether, and which should be passed on to subconfigures.
3001# Also strip program-prefix, program-suffix, and program-transform-name,
3002# so that we can pass down a consistent program-transform-name.
1c710c3c 3003baseargs=
29a63921 3004tbaseargs=
1c710c3c
DJ		 3005keep_next=no
3006skip_next=no
3007eval "set -- $ac_configure_args"
44bfc3ac
DJ		 3008for ac_arg
3009do
1c710c3c
DJ		 3010 if test X"$skip_next" = X"yes"; then
3011 skip_next=no
3012 continue
3013 fi
3014 if test X"$keep_next" = X"yes"; then
3015 case $ac_arg in
3016 *\'*)
3017 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3018 esac
3019 baseargs="$baseargs '$ac_arg'"
29a63921 3020 tbaseargs="$tbaseargs '$ac_arg'"
1c710c3c
DJ		 3021 keep_next=no
3022 continue
3023 fi
3024
3025 # Handle separated arguments. Based on the logic generated by
3026 # autoconf 2.59.
3027 case $ac_arg in
3028 *=* | --config-cache | -C | -disable-* | --disable-* \
3029 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3030 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3031 | -with-* | --with-* | -without-* | --without-* | --x)
3032 separate_arg=no
3033 ;;
3034 -*)
3035 separate_arg=yes
3036 ;;
3037 *)
3038 separate_arg=no
3039 ;;
3040 esac
3041
29a63921
AO		 3042 skip_targ=no
3043 case $ac_arg in
3044changequote(,)
3045 --with-* | --without-*)
3046 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3047
3048 case $libopt in
3049 *[-_]include)
3050 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3051 ;;
3052 *[-_]lib)
3053 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3054 ;;
3055 *)
3056 lib=$libopt
3057 ;;
3058 esac
3059changequote([,])
3060
3061 case $lib in
4a9bb2aa 3062 mpc | mpfr | gmp | isl)
29a63921
AO		 3063 # If we're processing --with-$lib, --with-$lib-include or
3064 # --with-$lib-lib, for one of the libs above, and target is
3065 # different from host, don't pass the current argument to any
3066 # target library's configure.
3067 if test x$is_cross_compiler = xyes; then
3068 skip_targ=yes
3069 fi
3070 ;;
3071 esac
3072 ;;
3073 esac
3074
1c710c3c 3075 case "$ac_arg" in
f1a036e4
NC		 3076 --cache-file=/dev/null | \
3077 -cache-file=/dev/null )
3078 # Handled here to avoid the test to skip args below.
3079 baseargs="$baseargs '$ac_arg'"
29a63921 3080 tbaseargs="$tbaseargs '$ac_arg'"
f1a036e4
NC		 3081 # Assert: $separate_arg should always be no.
3082 keep_next=$separate_arg
3083 ;;
1c710c3c
DJ		 3084 --no*)
3085 continue
3086 ;;
3087 --c* | \
3088 --sr* | \
3089 --ho* | \
3090 --bu* | \
3091 --t* | \
3092 --program-* | \
3093 -cache_file* | \
3094 -srcdir* | \
3095 -host* | \
3096 -build* | \
3097 -target* | \
3098 -program-prefix* | \
3099 -program-suffix* | \
3100 -program-transform-name* )
3101 skip_next=$separate_arg
3102 continue
3103 ;;
3104 -*)
3105 # An option. Add it.
3106 case $ac_arg in
3107 *\'*)
3108 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3109 esac
3110 baseargs="$baseargs '$ac_arg'"
29a63921
AO		 3111 if test X"$skip_targ" = Xno; then
3112 tbaseargs="$tbaseargs '$ac_arg'"
3113 fi
1c710c3c
DJ		 3114 keep_next=$separate_arg
3115 ;;
3116 *)
3117 # Either a variable assignment, or a nonopt (triplet). Don't
3118 # pass it down; let the Makefile handle this.
3119 continue
3120 ;;
3121 esac
3122done
3123# Remove the initial space we just introduced and, as these will be
3124# expanded by make, quote '$'.
3125baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
6599da04 3126
43bb47c2
DJ		 3127# Add in --program-transform-name, after --program-prefix and
3128# --program-suffix have been applied to it. Autoconf has already
3129# doubled dollar signs and backslashes in program_transform_name; we want
3130# the backslashes un-doubled, and then the entire thing wrapped in single
3131# quotes, because this will be expanded first by make and then by the shell.
3132# Also, because we want to override the logic in subdir configure scripts to
3133# choose program_transform_name, replace any s,x,x, with s,y,y,.
3134sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3135${program_transform_name}
3136EOF_SED
3137gcc_transform_name=`cat conftestsed.out`
3138rm -f conftestsed.out
3139baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
29a63921 3140tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
d9acb717
RW		 3141if test "$silent" = yes; then
3142 baseargs="$baseargs --silent"
29a63921 3143 tbaseargs="$tbaseargs --silent"
d9acb717 3144fi
0115d4a3 3145baseargs="$baseargs --disable-option-checking"
29a63921 3146tbaseargs="$tbaseargs --disable-option-checking"
43bb47c2 3147
ffedf511
RW		 3148# Record and document user additions to sub configure arguments.
3149AC_ARG_VAR([build_configargs],
3150 [additional configure arguments for build directories])
3151AC_ARG_VAR([host_configargs],
3152 [additional configure arguments for host directories])
3153AC_ARG_VAR([target_configargs],
3154 [additional configure arguments for target directories])
3155
e490616e
ZW		 3156# For the build-side libraries, we just need to pretend we're native,
3157# and not use the same cache file. Multilibs are neither needed nor
3d96b0d0
HPN		 3158# desired. We can't even use the same cache file for all build-side
3159# libraries, as they're compiled differently; some with C, some with
3160# C++ or with different feature-enabling options.
3161build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
e254d6b5 3162
4977bab6
ZW		 3163# For host modules, accept cache file option, or specification as blank.
3164case "${cache_file}" in
3165"") # empty
3166 cache_file_option="" ;;
671aa708 3167/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
4977bab6
ZW		 3168 cache_file_option="--cache-file=${cache_file}" ;;
3169*) # relative path
3170 cache_file_option="--cache-file=../${cache_file}" ;;
3171esac
3172
09438bde
NN		 3173# Host dirs don't like to share a cache file either, horribly enough.
3174# This seems to be due to autoconf 2.5x stupidity.
ffedf511 3175host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
4977bab6 3176
29a63921 3177target_configargs="$target_configargs ${tbaseargs}"
e490616e 3178
6599da04
JM		 3179# Passing a --with-cross-host argument lets the target libraries know
3180# whether they are being built with a cross-compiler or being built
3181# native. However, it would be better to use other mechanisms to make the
3182# sorts of decisions they want to make on this basis. Please consider
3183# this option to be deprecated. FIXME.
aeaa0f2f 3184if test x${is_cross_compiler} = xyes ; then
1c710c3c 3185 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
6599da04
JM		 3186fi
3187
79e0604d
FXC		 3188# Special user-friendly check for native x86_64-linux build, if
3189# multilib is not explicitly enabled.
3190case "$target:$have_compiler:$host:$target:$enable_multilib" in
3191 x86_64-*linux*:yes:$build:$build:)
e640447c 3192 # Make sure we have a development environment that handles 32-bit
79e0604d
FXC		 3193 dev64=no
3194 echo "int main () { return 0; }" > conftest.c
3195 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3196 if test $? = 0 ; then
3197 if test -s conftest || test -s conftest.exe ; then
3198 dev64=yes
3199 fi
3200 fi
3201 rm -f conftest*
3202 if test x${dev64} != xyes ; then
e640447c 3203 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.])
79e0604d
FXC		 3204 fi
3205 ;;
3206esac
3207
dc683a3f
RW		 3208# Default to --enable-multilib.
3209if test x${enable_multilib} = x ; then
3fedb745 3210 target_configargs="--enable-multilib ${target_configargs}"
dc683a3f 3211fi
6599da04 3212
5d4a5ee6
JL		 3213# Pass --with-newlib if appropriate. Note that target_configdirs has
3214# changed from the earlier setting of with_newlib.
aeaa0f2f 3215if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3fedb745 3216 target_configargs="--with-newlib ${target_configargs}"
5d4a5ee6
JL		 3217fi
3218
6b9eb62c
NN		 3219# Different target subdirs use different values of certain variables
3220# (notably CXX). Worse, multilibs use *lots* of different values.
3221# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3222# it doesn't automatically accept command-line overrides of them.
3223# This means it's not safe for target subdirs to share a cache file,
3224# which is disgusting, but there you have it. Hopefully this can be
3225# fixed in future. It's still worthwhile to use a cache file for each
3226# directory. I think.
3227
bebcd931
MS		 3228# Pass the appropriate --build, --host, --target and --cache-file arguments.
3229# We need to pass --target, as newer autoconf's requires consistency
3230# for target_alias and gcc doesn't manage it consistently.
e69bf64b 3231target_configargs="--cache-file=./config.cache ${target_configargs}"
e490616e 3232
b87487b6 3233FLAGS_FOR_TARGET=
bb654703 3234case " $target_configdirs " in
7965440a 3235 *" newlib "*)
3fedb745 3236 case " $target_configargs " in
7965440a 3237 *" --with-newlib "*)
b87487b6 3238 case "$target" in
5d571eaa 3239 *-cygwin*)
443e6238 3240 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
5d571eaa 3241 ;;
b87487b6
AO		 3242 esac
3243
afd7db25 3244 # If we're not building GCC, don't discard standard headers.
ef40bc65 3245 if test -d ${srcdir}/gcc; then
d4eb109c 3246 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
afd7db25
AO		 3247
3248 if test "${build}" != "${host}"; then
3249 # On Canadian crosses, CC_FOR_TARGET will have already been set
3250 # by `configure', so we won't have an opportunity to add -Bgcc/
3251 # to it. This is right: we don't want to search that directory
3252 # for binaries, but we want the header files in there, so add
3253 # them explicitly.
0463992b 3254 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
afd7db25
AO		 3255
3256 # Someone might think of using the pre-installed headers on
3257 # Canadian crosses, in case the installed compiler is not fully
3258 # compatible with the compiler being built. In this case, it
3259 # would be better to flag an error than risking having
3260 # incompatible object files being constructed. We can't
3261 # guarantee that an error will be flagged, but let's hope the
3262 # compiler will do it, when presented with incompatible header
3263 # files.
3264 fi
d4eb109c
AO		 3265 fi
3266
ab50d72b 3267 case "${target}-${is_cross_compiler}" in
f2a0e225 3268 i[[3456789]]86-*-linux*-no)
ab50d72b
DD		 3269 # Here host == target, so we don't need to build gcc,
3270 # so we don't want to discard standard headers.
3271 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
ab50d72b
DD		 3272 ;;
3273 *)
3274 # If we're building newlib, use its generic headers last, but search
3275 # for any libc-related directories first (so make it the last -B
3276 # switch).
3277 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
c03353e2
RIL		 3278
3279 # If we're building libgloss, find the startup file, simulator library
3280 # and linker script.
3281 case " $target_configdirs " in
3282 *" libgloss "*)
3283 # Look for startup file, simulator library and maybe linker script.
3284 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3285 # Look for libnosys.a in case the target needs it.
3286 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3287 # Most targets have the linker script in the source directory.
3288 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3289 ;;
3290 esac
ab50d72b
DD		 3291 ;;
3292 esac
b87487b6 3293 ;;
7965440a
AO		 3294 esac
3295 ;;
b87487b6 3296esac
5d571eaa 3297
b91f0a41 3298case "$target" in
5d571eaa
OS		 3299 x86_64-*mingw* | *-w64-mingw*)
3300 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3301 # however, use a symlink named 'mingw' in ${prefix} .
3302 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3303 ;;
3304 *-mingw*)
3305 # MinGW can't be handled as Cygwin above since it does not use newlib.
3306 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3307 ;;
b91f0a41 3308esac
d4eb109c 3309
6691a79e
ME		 3310# Allow the user to override the flags for
3311# our build compiler if desired.
f019adc1
MF		 3312if test x"${build}" = x"${host}" ; then
3313 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3314 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3315 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3316fi
6691a79e 3317
d4eb109c
AO		 3318# On Canadian crosses, we'll be searching the right directories for
3319# the previously-installed cross compiler, so don't bother to add
3320# flags for directories within the install tree of the compiler
3321# being built; programs in there won't even run.
ef40bc65 3322if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
b87487b6 3323 # Search for pre-installed headers if nothing else fits.
9124bc53 3324 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
b87487b6 3325fi
d4eb109c 3326
bb654703 3327if test "x${use_gnu_ld}" = x &&
55380b08 3328 echo " ${configdirs} " | grep " ld " > /dev/null ; then
b87487b6 3329 # Arrange for us to find uninstalled linker scripts.
215c351a 3330 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
b87487b6
AO		 3331fi
3332
e88a2c09
DD		 3333# Search for other target-specific linker scripts and such.
3334case "${target}" in
3e19841a
PB		 3335 mep*)
3336 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3337 ;;
e88a2c09
DD		 3338esac
3339
671aa708 3340# Makefile fragments.
7b61653a
PE		 3341for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3342do
3343 eval fragval=\$$frag
3344 if test $fragval != /dev/null; then
3345 eval $frag=${srcdir}/$fragval
3346 fi
3347done
671aa708
NN		 3348AC_SUBST_FILE(host_makefile_frag)
3349AC_SUBST_FILE(target_makefile_frag)
3350AC_SUBST_FILE(alphaieee_frag)
3351AC_SUBST_FILE(ospace_frag)
3352
3353# Miscellanea: directories, flags, etc.
671aa708 3354AC_SUBST(RPATH_ENVVAR)
d89f0ad6 3355AC_SUBST(GCC_SHLIB_SUBDIR)
671aa708
NN		 3356AC_SUBST(tooldir)
3357AC_SUBST(build_tooldir)
ef9db8d5 3358AC_SUBST(CONFIGURE_GDB_TK)
671aa708 3359AC_SUBST(GDB_TK)
ef9db8d5 3360AC_SUBST(INSTALL_GDB_TK)
671aa708
NN		 3361
3362# Build module lists & subconfigure args.
671aa708 3363AC_SUBST(build_configargs)
23f6b2f9 3364AC_SUBST(build_configdirs)
671aa708
NN		 3365
3366# Host module lists & subconfigure args.
3367AC_SUBST(host_configargs)
3368AC_SUBST(configdirs)
aae29963 3369AC_SUBST(target_configdirs)
671aa708
NN		 3370
3371# Target module lists & subconfigure args.
671aa708 3372AC_SUBST(target_configargs)
ee2312f3 3373
671aa708
NN		 3374
3375# Build tools.
0999159b
PB		 3376AC_SUBST(AR_FOR_BUILD)
3377AC_SUBST(AS_FOR_BUILD)
671aa708 3378AC_SUBST(CC_FOR_BUILD)
0999159b
PB		 3379AC_SUBST(CFLAGS_FOR_BUILD)
3380AC_SUBST(CXXFLAGS_FOR_BUILD)
3381AC_SUBST(CXX_FOR_BUILD)
3382AC_SUBST(DLLTOOL_FOR_BUILD)
c7c99407 3383AC_SUBST(DSYMUTIL_FOR_BUILD)
0999159b 3384AC_SUBST(GFORTRAN_FOR_BUILD)
632e2a07 3385AC_SUBST(GOC_FOR_BUILD)
b4c522fa 3386AC_SUBST(GDC_FOR_BUILD)
0999159b
PB		 3387AC_SUBST(LDFLAGS_FOR_BUILD)
3388AC_SUBST(LD_FOR_BUILD)
3389AC_SUBST(NM_FOR_BUILD)
3390AC_SUBST(RANLIB_FOR_BUILD)
3391AC_SUBST(WINDMC_FOR_BUILD)
3392AC_SUBST(WINDRES_FOR_BUILD)
671aa708 3393
2abefe3d
PB		 3394# Generate default definitions for YACC, M4, LEX and other programs that run
3395# on the build machine. These are used if the Makefile can't locate these
3396# programs in objdir.
3397MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3398
3399AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3400case " $build_configdirs " in
3401 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2abefe3d
PB		 3402esac
3403
3404AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3405case " $build_configdirs " in
3406 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3407esac
3408
3409AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3410case " $build_configdirs " in
3411 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3412esac
3413
3414AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3415case " $build_configdirs " in
3416 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3417 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3418esac
3419
3420AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3421case " $build_configdirs " in
3422 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3423esac
3424
3425AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3426case " $build_configdirs " in
3427 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3428 *)
3429changequote(,)
d18ff35a 3430 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2abefe3d
PB		 3431 # higher, else we use the "missing" dummy.
3432 if ${MAKEINFO} --version \
d18ff35a 3433 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2abefe3d
PB		 3434 :
3435 else
3436 MAKEINFO="$MISSING makeinfo"
3437 fi
3438 ;;
3439changequote([,])
3440esac
3441
3442# FIXME: expect and dejagnu may become build tools?
3443
3444AC_CHECK_PROGS(EXPECT, expect, expect)
3445case " $configdirs " in
3446 *" expect "*)
3447 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3448 ;;
3449esac
3450
3451AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3452case " $configdirs " in
3453 *" dejagnu "*)
c394e891 3454 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2abefe3d
PB		 3455 ;;
3456esac
3457
3458
671aa708 3459# Host tools.
2693c0b0
PB		 3460NCN_STRICT_CHECK_TOOLS(AR, ar)
3461NCN_STRICT_CHECK_TOOLS(AS, as)
3462NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
c7c99407 3463NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil)
2693c0b0 3464NCN_STRICT_CHECK_TOOLS(LD, ld)
2abefe3d 3465NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2693c0b0 3466NCN_STRICT_CHECK_TOOLS(NM, nm)
8927b7c0
RO		 3467NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3468NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
2693c0b0 3469NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
901119ae 3470NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2693c0b0
PB		 3471NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3472NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
e4a9a572 3473NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
e7a82751 3474NCN_STRICT_CHECK_TOOLS(READELF, readelf)
671aa708
NN		 3475AC_SUBST(CC)
3476AC_SUBST(CXX)
3477AC_SUBST(CFLAGS)
3478AC_SUBST(CXXFLAGS)
671aa708 3479
2abefe3d 3480# Target tools.
e8b05380 3481AC_ARG_WITH([build-time-tools],
33e39b66
AS		 3482 [AS_HELP_STRING([--with-build-time-tools=PATH],
3483 [use given path to find target tools during the build])],
e8b05380
PB		 3484 [case x"$withval" in
3485 x/*) ;;
3486 *)
3487 with_build_time_tools=
3488 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3489 ;;
3490 esac],
3491 [with_build_time_tools=])
3492
2693c0b0
PB		 3493NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3494NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2693c0b0 3495NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2693c0b0 3496NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
632e2a07 3497NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
b4c522fa 3498NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
e8b05380
PB		 3499
3500ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3501ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3502ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
c7c99407 3503ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil)
e8b05380
PB		 3504ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3505ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3506ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
9bccfdf5 3507ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
e8b05380 3508ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
e4a9a572 3509ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
8927b7c0 3510ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
e7a82751 3511ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
e8b05380
PB		 3512ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3513ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
901119ae 3514ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
4de997d1 3515
2abefe3d
PB		 3516RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3517
3518GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3519GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3520GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
b3f122e0 3521dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
2abefe3d 3522GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2077db1b 3523 [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],
2abefe3d
PB		 3524 c++)
3525GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2077db1b 3526 [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],
2abefe3d
PB		 3527 c++)
3528GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
c7c99407 3529GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL)
2abefe3d 3530GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2abefe3d
PB		 3531GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3532 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
632e2a07
ILT		 3533GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3534 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
b4c522fa
IB		 3535GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3536 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
2abefe3d
PB		 3537GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3538GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3539GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
ec8fd1c0 3540GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
2abefe3d 3541GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
e4a9a572 3542GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
2abefe3d 3543GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
e7a82751 3544GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
455c8f48 3545GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
2abefe3d 3546GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
901119ae 3547GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
4de997d1 3548
2abefe3d 3549AC_SUBST(FLAGS_FOR_TARGET)
4de997d1 3550AC_SUBST(RAW_CXX_FOR_TARGET)
be912515 3551
671aa708
NN		 3552# Certain tools may need extra flags.
3553AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3554RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3555NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
6599da04 3556
2abefe3d
PB		 3557# When building target libraries, except in a Canadian cross, we use
3558# the same toolchain as the compiler we just built.
3559COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3560COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3561COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3562if test $host = $build; then
3563 case " $configdirs " in
3564 *" gcc "*)
3565 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3566 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3567 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3568 ;;
3569 esac
3570fi
3571
3572AC_SUBST(COMPILER_AS_FOR_TARGET)
3573AC_SUBST(COMPILER_LD_FOR_TARGET)
3574AC_SUBST(COMPILER_NM_FOR_TARGET)
3575
ee03dc5e
AO		 3576AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3577AC_ARG_ENABLE(maintainer-mode,
33e39b66
AS		 3578[AS_HELP_STRING([--enable-maintainer-mode],
3579 [enable make rules and dependencies not useful
3580 (and sometimes confusing) to the casual installer])],
ee03dc5e
AO		 3581 USE_MAINTAINER_MODE=$enableval,
3582 USE_MAINTAINER_MODE=no)
3583AC_MSG_RESULT($USE_MAINTAINER_MODE)
3584AC_SUBST(MAINTAINER_MODE_TRUE)
3585AC_SUBST(MAINTAINER_MODE_FALSE)
3586if test "$USE_MAINTAINER_MODE" = yes; then
3587 MAINTAINER_MODE_TRUE=
3588 MAINTAINER_MODE_FALSE='#'
3589else
3590 MAINTAINER_MODE_TRUE='#'
3591 MAINTAINER_MODE_FALSE=
3592fi
3593MAINT=$MAINTAINER_MODE_TRUE
3594AC_SUBST(MAINT)dnl
3595
2805b53a
NN		 3596# ---------------------
3597# GCC bootstrap support
3598# ---------------------
3599
3600# Stage specific cflags for build.
3601stage1_cflags="-g"
3602case $build in
3603 vax-*-*)
3604 case ${GCC} in
3605 yes) stage1_cflags="-g -Wa,-J" ;;
3606 *) stage1_cflags="-g -J" ;;
3607 esac ;;
2805b53a 3608esac
0b50988a 3609
2805b53a
NN		 3610AC_SUBST(stage1_cflags)
3611
8efea775
PB		 3612# Enable --enable-checking in stage1 of the compiler.
3613AC_ARG_ENABLE(stage1-checking,
33e39b66
AS		 3614[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3615 [choose additional checking for stage1 of the compiler])],
8efea775 3616[stage1_checking=--enable-checking=${enable_stage1_checking}],
e643dc23 3617[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
c10b5ea0
JJ		 3618 # For --disable-checking or implicit --enable-checking=release, avoid
3619 # setting --enable-checking=gc in the default stage1 checking for LTO
3620 # bootstraps. See PR62077.
c10b5ea0
JJ		 3621 case $BUILD_CONFIG in
3622 *lto*)
7db11a5a
JJ		 3623 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3624 *)
3625 stage1_checking=--enable-checking=yes,types;;
c10b5ea0 3626 esac
7db11a5a
JJ		 3627 if test "x$enable_checking" = x && \
3628 test -d ${srcdir}/gcc && \
3629 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
c100769b 3630 stage1_checking=--enable-checking=yes,types,extra
7db11a5a 3631 fi
8efea775 3632else
e643dc23 3633 stage1_checking=--enable-checking=$enable_checking,types
8efea775
PB		 3634fi])
3635AC_SUBST(stage1_checking)
3636
2805b53a 3637# Enable -Werror in bootstrap stage2 and later.
2805b53a 3638AC_ARG_ENABLE(werror,
33e39b66 3639[AS_HELP_STRING([--enable-werror],
afd88efc
ML		 3640 [enable -Werror in bootstrap stage2 and later])],
3641[
09a9c095
NN		 3642case ${enable_werror} in
3643 yes) stage2_werror_flag="--enable-werror-always" ;;
3644 *) stage2_werror_flag="" ;;
2805b53a 3645esac
afd88efc
ML		 3646],
3647[
01c712cb
ML		 3648if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3649 case $BUILD_CONFIG in
3650 bootstrap-debug)
3651 stage2_werror_flag="--enable-werror-always" ;;
3652 "")
3653 stage2_werror_flag="--enable-werror-always" ;;
3654 esac
3655fi
afd88efc 3656])
01c712cb 3657
09a9c095 3658AC_SUBST(stage2_werror_flag)
2805b53a 3659
f2689b09
SE		 3660# Specify what files to not compare during bootstrap.
3661
3662compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3663case "$target" in
3664 hppa*64*-*-hpux*) ;;
4f943869
MK		 3665 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;;
3666 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
f2689b09
SE		 3667esac
3668AC_SUBST(compare_exclusions)
3669
3e54529c
RW		 3670AC_CONFIG_FILES([Makefile],
3671 [sed "$extrasub_build" Makefile |
3672 sed "$extrasub_host" |
3673 sed "$extrasub_target" > mf$$
3674 mv -f mf$$ Makefile],
3675 [extrasub_build="$extrasub_build"
3676 extrasub_host="$extrasub_host"
3677 extrasub_target="$extrasub_target"])
3678AC_OUTPUT
Mirror of https://gcc.gnu.org/git/gcc.git