projects / deliverable / binutils-gdb.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Tweak moxie-rtems triplet recognition
[deliverable/binutils-gdb.git] / configure.ac
CommitLineData
92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
202e2356 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
ba98da75 3# Free Software Foundation, Inc.
252b5132
RH		 4#
5# This file is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
7ec59b9e 31m4_include([config/isl.m4])
e552509b 32m4_include([config/cloog.m4])
656fdd47 33
a0da8069 34AC_INIT(move-if-change)
d444d2ba 35AC_PREREQ(2.64)
34a0f3cf 36AC_DISABLE_OPTION_CHECKING
c6b750e1 37
5b553f7e
RW		 38progname=$0
39# if PWD already has a value, it is probably wrong.
40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41
42# Export original configure arguments for use by sub-configures.
43# Quote arguments with shell meta charatcers.
44TOPLEVEL_CONFIGURE_ARGUMENTS=
45set -- "$progname" "$@"
46for ac_arg
47do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57done
58if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60fi
61# Remove the initial space we just introduced and, as these will be
62# expanded by make, quote '$'.
63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65
c6b750e1
DJ		 66# Find the build, host, and target systems.
67ACX_NONCANONICAL_BUILD
68ACX_NONCANONICAL_HOST
69ACX_NONCANONICAL_TARGET
70
71dnl Autoconf 2.5x and later will set a default program prefix if
72dnl --target was used, even if it was the same as --host. Disable
73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74dnl to take effect.
75test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
79
a0da8069
NN		 80AC_CANONICAL_SYSTEM
81AC_ARG_PROGRAM
82
c6b750e1 83m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 84m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 85
e5c3f801
NN		 86# Get 'install' or 'install-sh' and its variants.
87AC_PROG_INSTALL
656fdd47 88ACX_PROG_LN
dfdffa2c 89AC_PROG_LN_S
8e957354
PB		 90AC_PROG_SED
91AC_PROG_AWK
e5c3f801 92
0fdbe983
DJ		 93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94
95# We pass INSTALL explicitly to sub-makes. Make sure that it is not
96# a relative path.
97if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99fi
100
a0da8069
NN		 101# Set srcdir to "." if that's what it is.
102# This is important for multilib support.
103pwd=`${PWDCMD-pwd}`
a0da8069
NN		 104if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106fi
107
108topsrcdir=$srcpwd
252b5132 109
ae831be5 110extra_host_args=
afefada0 111
252b5132
RH		 112### To add a new directory to the tree, first choose whether it is a target
113### or a host dependent tool. Then put it into the appropriate list
a2cc058a 114### (library or tools, host or target), doing a dependency sort.
252b5132 115
7ec59b9e 116# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 117# configdirs, or target_configdirs; see the serialization section below.
118
7ec59b9e
L		 119# Dependency sorting is only needed when *configuration* must be done in
120# a particular order. In all cases a dependency should be specified in
a2cc058a
NN		 121# the Makefile, whether or not it's implicitly specified here.
122
123# Double entries in build_configdirs, configdirs, or target_configdirs may
124# cause circular dependencies and break everything horribly.
252b5132 125
6a9cf61e
PB		 126# these library is used by various programs built for the build
127# environment
128#
129build_libs="build-libiberty"
130
131# these tools are built for the build environment
a90ef4bf 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 133
252b5132
RH		 134# these libraries are used by various programs built for the host environment
135#
2bf680c4 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
252b5132 137
252b5132
RH		 138# these tools are built for the host environment
139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140# know that we are building the simulator.
2af579c4
NN		 141# binutils, gas and ld appear in that order because it makes sense to run
142# "make check" in that particular order.
e6de499b 143# If --enable-gold is used, "gold" may replace "ld".
a90ef4bf 144host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
75205f78
DD		 145
146# libgcj represents the runtime libraries only used by gcj.
147libgcj="target-libffi \
75205f78 148 target-zlib \
75205f78 149 target-libjava"
252b5132
RH		 150
151# these libraries are built for the target environment, and are built after
152# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 153# Note that libiberty is not a target library.
b1299c4e 154target_libraries="target-libgcc \
2bf680c4 155 target-libbacktrace \
252b5132
RH		 156 target-libgloss \
157 target-newlib \
cff87f51 158 target-libgomp \
7ec59b9e 159 target-libatomic \
d32e2926 160 target-libitm \
b9459e83 161 target-libstdc++-v3 \
4b1cb4fe 162 target-libmudflap \
5286fdef 163 target-libsanitizer \
bb780410 164 target-libssp \
e552509b 165 target-libquadmath \
4b1cb4fe 166 target-libgfortran \
4f0ef2d8 167 target-boehm-gc \
83326456 168 ${libgcj} \
a2592b1b 169 target-libobjc \
e552509b
ILT		 170 target-libada \
171 target-libgo"
252b5132 172
9c14acb8
NN		 173# these tools are built using the target libraries, and are intended to
174# run only in the target environment
252b5132 175#
9c14acb8 176# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 177# list belongs in this list.
252b5132 178#
a90ef4bf 179target_tools="target-rda"
252b5132
RH		 180
181################################################################################
182
252b5132
RH		 183## All tools belong in one of the four categories, and are assigned above
184## We assign ${configdirs} this way to remove all embedded newlines. This
185## is important because configure will choke if they ever get through.
186## ${configdirs} is directories we build using the host tools.
187## ${target_configdirs} is directories we build using the target tools.
252b5132 188configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 189target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 190build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 191
9cc8ae67 192m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 193[case $srcdir in
194 *" "*)
195m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
196 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
197m4_popdef([AS_MESSAGE_LOG_FD])dnl
198 ;;
199esac
200ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 201])
202
252b5132
RH		 203################################################################################
204
252b5132
RH		 205srcname="gnu development package"
206
207# This gets set non-empty for some net releases of packages.
208appdirs=""
209
c712250a
DD		 210# Define is_cross_compiler to save on calls to 'test'.
211is_cross_compiler=
212if test x"${host}" = x"${target}" ; then
213 is_cross_compiler=no
214else
215 is_cross_compiler=yes
7ec59b9e 216fi
c712250a 217
9175bfc0 218# Find the build and target subdir names.
dd12c3a8 219GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 220# Be sure to cover against remnants of an in-tree build.
221if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
222 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
223Use a pristine source tree when building in a separate tree])
224fi
252b5132 225
f48556b1
DD		 226# Skipdirs are removed silently.
227skipdirs=
228# Noconfigdirs are removed loudly.
229noconfigdirs=""
252b5132 230
f48556b1
DD		 231use_gnu_ld=
232# Make sure we don't let GNU ld be added if we didn't want it.
233if test x$with_gnu_ld = xno ; then
234 use_gnu_ld=no
93f9b408 235 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 236fi
237
f48556b1
DD		 238use_gnu_as=
239# Make sure we don't let GNU as be added if we didn't want it.
240if test x$with_gnu_as = xno ; then
241 use_gnu_as=no
242 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 243fi
244
700d40ca
ILT		 245use_included_zlib=
246# Make sure we don't let ZLIB be added if we didn't want it.
247if test x$with_system_zlib = xyes ; then
248 use_included_zlib=no
249 noconfigdirs="$noconfigdirs zlib"
250fi
251
7ec59b9e 252# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 253# it's not even worth trying to configure, much less build, that tool.
252b5132 254
f48556b1
DD		 255case ${with_x} in
256 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 257 no)
675c6968 258 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 259 # We won't be able to build gdbtk without X.
7ec59b9e 260 enable_gdbtk=no
ff0a3bf8 261 ;;
f48556b1
DD		 262 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
263esac
252b5132 264
0377a422 265# Some are only suitable for cross toolchains.
405ea7a0
NN		 266# Remove these if host=target.
267cross_only="target-libgloss target-newlib target-opcodes"
252b5132 268
f48556b1
DD		 269case $is_cross_compiler in
270 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 271esac
252b5132 272
a32d391c
DD		 273# If both --with-headers and --with-libs are specified, default to
274# --without-newlib.
32be62b5
RS		 275if test x"${with_headers}" != x && test x"${with_headers}" != xno \
276 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 277 if test x"${with_newlib}" = x ; then
278 with_newlib=no
279 fi
280fi
281
282# Recognize --with-newlib/--without-newlib.
283case ${with_newlib} in
284 no) skipdirs="${skipdirs} target-newlib" ;;
285 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
286esac
287
c7791212
NC		 288# Handle --enable-gold, --enable-ld.
289# --disable-gold [--enable-ld]
290# Build only ld. Default option.
d3b50760
L		 291# --enable-gold [--enable-ld]
292# Build both gold and ld. Install gold as "ld.gold", install ld
293# as "ld.bfd" and "ld".
294# --enable-gold=default [--enable-ld]
c7791212
NC		 295# Build both gold and ld. Install gold as "ld.gold" and "ld",
296# install ld as "ld.bfd".
297# --enable-gold[=default] --disable-ld
298# Build only gold, which is then installed as both "ld.gold" and "ld".
299# --enable-gold --enable-ld=default
d3b50760
L		 300# Build both gold (installed as "ld.gold") and ld (installed as "ld"
301# and ld.bfd).
c7791212
NC		 302# In other words, ld is default
303# --enable-gold=default --enable-ld=default
304# Error.
305
306default_ld=
93f9b408 307AC_ARG_ENABLE(gold,
7837304f
AS		 308[AS_HELP_STRING([[--enable-gold[=ARG]]],
309 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 310ENABLE_GOLD=$enableval,
311ENABLE_GOLD=no)
c7791212
NC		 312case "${ENABLE_GOLD}" in
313 yes|default)
e6de499b
NC		 314 # Check for ELF target.
315 is_elf=no
316 case "${target}" in
317 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 318 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 319 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
2bda3143 320 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 321 case "${target}" in
322 *-*-linux*aout* | *-*-linux*oldld*)
323 ;;
324 *)
325 is_elf=yes
326 ;;
327 esac
328 esac
329
330 if test "$is_elf" = "yes"; then
331 # Check for target supported by gold.
93f9b408 332 case "${target}" in
5c0b3823 333 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
c7791212
NC		 334 configdirs="$configdirs gold"
335 if test x${ENABLE_GOLD} = xdefault; then
336 default_ld=gold
337 fi
e6de499b 338 ENABLE_GOLD=yes
93f9b408
ILT		 339 ;;
340 esac
e6de499b
NC		 341 fi
342 ;;
343 no)
344 ;;
345 *)
346 AC_MSG_ERROR([invalid --enable-gold argument])
347 ;;
c7791212
NC		 348esac
349
350AC_ARG_ENABLE(ld,
7837304f
AS		 351[AS_HELP_STRING([[--enable-ld[=ARG]]],
352 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 353ENABLE_LD=$enableval,
354ENABLE_LD=yes)
355
356case "${ENABLE_LD}" in
357 default)
d3b50760 358 if test x${default_ld} != x; then
c7791212
NC		 359 AC_MSG_ERROR([either gold or ld can be the default ld])
360 fi
361 ;;
362 yes)
363 ;;
364 no)
365 if test x${ENABLE_GOLD} != xyes; then
366 AC_MSG_WARN([neither ld nor gold are enabled])
367 fi
368 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
369 ;;
370 *)
371 AC_MSG_ERROR([invalid --enable-ld argument])
372 ;;
373esac
93f9b408 374
252b5132
RH		 375# Configure extra directories which are host specific
376
377case "${host}" in
f48556b1 378 *-cygwin*)
3866be5d 379 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 380esac
381
59f7ec45
HPN		 382# A target can indicate whether a language isn't supported for some reason.
383# Only spaces may be used in this macro; not newlines or tabs.
384unsupported_languages=
385
7ec59b9e 386# Remove more programs from consideration, based on the host or
252b5132
RH		 387# target this usually means that a port of the program doesn't
388# exist yet.
389
252b5132 390case "${host}" in
3516a403 391 i[[3456789]]86-*-msdosdjgpp*)
6a608608 392 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 393 ;;
252b5132
RH		 394esac
395
4b1cb4fe 396
89a1e9c3
PB		 397AC_ARG_ENABLE(libquadmath,
398AS_HELP_STRING([--disable-libquadmath],
399 [do not build libquadmath directory]),
400ENABLE_LIBQUADMATH=$enableval,
401ENABLE_LIBQUADMATH=yes)
402if test "${ENABLE_LIBQUADMATH}" = "no" ; then
403 noconfigdirs="$noconfigdirs target-libquadmath"
404fi
405
406
407AC_ARG_ENABLE(libquadmath-support,
408AS_HELP_STRING([--disable-libquadmath-support],
409 [disable libquadmath support for Fortran]),
410ENABLE_LIBQUADMATH_SUPPORT=$enableval,
411ENABLE_LIBQUADMATH_SUPPORT=yes)
412enable_libquadmath_support=
413if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
414 enable_libquadmath_support=no
415fi
416
417
a2592b1b 418AC_ARG_ENABLE(libada,
7837304f 419[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 420ENABLE_LIBADA=$enableval,
421ENABLE_LIBADA=yes)
422if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 423 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 424fi
425
5f128533 426AC_ARG_ENABLE(libssp,
7837304f 427[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 428ENABLE_LIBSSP=$enableval,
429ENABLE_LIBSSP=yes)
5f128533 430
f66a9a70
L		 431AC_ARG_ENABLE(libstdcxx,
432AS_HELP_STRING([--disable-libstdcxx],
433 [do not build libstdc++-v3 directory]),
434ENABLE_LIBSTDCXX=$enableval,
435ENABLE_LIBSTDCXX=default)
436[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
437 noconfigdirs="$noconfigdirs libstdc++-v3"
438fi]
439
96111c10
AO		 440# Save it here so that, even in case of --enable-libgcj, if the Java
441# front-end isn't enabled, we still get libgcj disabled.
442libgcj_saved=$libgcj
443case $enable_libgcj in
444yes)
445 # If we reset it here, it won't get added to noconfigdirs in the
446 # target-specific build rules, so it will be forcibly enabled
447 # (unless the Java language itself isn't enabled).
448 libgcj=
449 ;;
450no)
451 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 452 # Don't disable libffi, though, other languages use it.
453 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 454 # Clear libgcj_saved so that even if java is enabled libffi won't be
455 # built.
456 libgcj_saved=
96111c10
AO		 457 ;;
458esac
459
ffdd6afc
ILT		 460AC_ARG_ENABLE(static-libjava,
461[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
462 [build static libjava @<:@default=no@:>@])],
463ENABLE_STATIC_LIBJAVA=$enableval,
464ENABLE_STATIC_LIBJAVA=no)
465enable_static_libjava=
466if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
467 enable_static_libjava=yes
468fi
469
470if test x$enable_static_libjava != xyes ; then
471 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
472fi
473AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 474
a6df5a19
PB		 475# Disable libmudflap on some systems.
476if test x$enable_libmudflap = x ; then
3e707e94 477 case "${target}" in
29383458 478 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 479 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 480 ;;
481 *-*-freebsd*)
482 # Enable libmudflap by default in FreeBSD.
483 ;;
484 *)
485 # Disable it by default everywhere else.
486 noconfigdirs="$noconfigdirs target-libmudflap"
487 ;;
488 esac
a6df5a19 489fi
4b1cb4fe 490
a6df5a19
PB		 491# Disable libgomp on non POSIX hosted systems.
492if test x$enable_libgomp = x ; then
b3ded179
PB		 493 # Enable libgomp by default on hosted POSIX systems.
494 case "${target}" in
29383458 495 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 496 ;;
5b806d27 497 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 498 ;;
2479f722 499 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 500 ;;
501 *-*-darwin* | *-*-aix*)
502 ;;
503 *)
504 noconfigdirs="$noconfigdirs target-libgomp"
505 ;;
506 esac
a6df5a19 507fi
b3ded179 508
7ec59b9e
L		 509# Disable libatomic on unsupported systems.
510if test -d ${srcdir}/libatomic; then
511 if test x$enable_libatomic = x; then
512 AC_MSG_CHECKING([for libatomic support])
513 if (srcdir=${srcdir}/libatomic; \
514 . ${srcdir}/configure.tgt; \
515 test -n "$UNSUPPORTED")
516 then
517 AC_MSG_RESULT([no])
518 noconfigdirs="$noconfigdirs target-libatomic"
519 else
520 AC_MSG_RESULT([yes])
521 fi
522 fi
523fi
524
d32e2926
RH		 525# Disable libitm on unsupported systems.
526if test -d ${srcdir}/libitm; then
527 if test x$enable_libitm = x; then
528 AC_MSG_CHECKING([for libitm support])
529 if (srcdir=${srcdir}/libitm; \
530 . ${srcdir}/configure.tgt; \
531 test -n "$UNSUPPORTED")
532 then
533 AC_MSG_RESULT([no])
534 noconfigdirs="$noconfigdirs target-libitm"
535 else
536 AC_MSG_RESULT([yes])
537 fi
538 fi
539fi
540
5286fdef
L		 541# Disable libsanitizer on unsupported systems.
542if test -d ${srcdir}/libsanitizer; then
543 if test x$enable_libsanitizer = x; then
544 AC_MSG_CHECKING([for libsanitizer support])
545 if (srcdir=${srcdir}/libsanitizer; \
546 . ${srcdir}/configure.tgt; \
547 test -n "$UNSUPPORTED")
548 then
549 AC_MSG_RESULT([no])
550 noconfigdirs="$noconfigdirs target-libsanitizer"
551 else
552 AC_MSG_RESULT([yes])
553 fi
554 fi
555fi
556
1488e230
DE		 557# Disable libquadmath for some systems.
558case "${target}" in
5286fdef
L		 559 avr-*-*)
560 noconfigdirs="$noconfigdirs target-libquadmath"
561 ;;
1488e230
DE		 562 # libquadmath is unused on AIX and libquadmath build process use of
563 # LD_LIBRARY_PATH can break AIX bootstrap.
564 powerpc-*-aix* | rs6000-*-aix*)
565 noconfigdirs="$noconfigdirs target-libquadmath"
566 ;;
567esac
568
065a5627
JM		 569# Disable libssp for some systems.
570case "${target}" in
571 avr-*-*)
c5f5c3c2 572 # No hosted I/O support.
065a5627
JM		 573 noconfigdirs="$noconfigdirs target-libssp"
574 ;;
575 powerpc-*-aix* | rs6000-*-aix*)
576 noconfigdirs="$noconfigdirs target-libssp"
577 ;;
99c513f6 578 rl78-*-*)
202e2356
NC		 579 # libssp uses a misaligned load to trigger a fault, but the RL78
580 # doesn't fault for those - instead, it gives a build-time error
581 # for explicit misaligned loads.
99c513f6
DD		 582 noconfigdirs="$noconfigdirs target-libssp"
583 ;;
065a5627
JM		 584esac
585
065a5627 586# Disable libstdc++-v3 for some systems.
f66a9a70
L		 587# Allow user to override this if they pass --enable-libstdc++-v3
588if test "${ENABLE_LIBSTDCXX}" = "default" ; then
589 case "${target}" in
590 *-*-vxworks*)
591 # VxWorks uses the Dinkumware C++ library.
592 noconfigdirs="$noconfigdirs target-libstdc++-v3"
593 ;;
594 arm*-wince-pe*)
595 # the C++ libraries don't build on top of CE's C libraries
596 noconfigdirs="$noconfigdirs target-libstdc++-v3"
597 ;;
598 avr-*-*)
599 noconfigdirs="$noconfigdirs target-libstdc++-v3"
600 ;;
601 esac
602fi
065a5627
JM		 603
604# Disable Fortran for some systems.
605case "${target}" in
606 mmix-*-*)
607 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
608 unsupported_languages="$unsupported_languages fortran"
609 ;;
610esac
611
0827f9a6 612# Disable Java if libffi is not supported.
9863d716 613case "${target}" in
0827f9a6
JM		 614 alpha*-*-*)
615 ;;
616 arm*-*-*)
617 ;;
618 cris-*-*)
619 ;;
620 frv-*-*)
621 ;;
622 hppa*-*-linux*)
623 ;;
624 hppa*-*-hpux*)
625 ;;
626 i?86-*-*)
627 ;;
628 ia64*-*-*)
629 ;;
630 m32r*-*-*)
631 ;;
632 m68k-*-*)
633 ;;
2479f722 634 mips*-*-rtems*)
0827f9a6
JM		 635 ;;
636 mips*-*-linux*)
637 ;;
638 powerpc*-*-linux*)
639 ;;
640 powerpc-*-darwin*)
641 ;;
642 powerpc-*-aix* | rs6000-*-aix*)
643 ;;
644 powerpc-*-freebsd*)
645 ;;
646 powerpc64-*-freebsd*)
647 ;;
648 powerpc*-*-rtems*)
9863d716 649 ;;
0827f9a6
JM		 650 s390-*-* | s390x-*-*)
651 ;;
652 sh-*-* | sh[[34]]*-*-*)
653 ;;
654 sh64-*-* | sh5*-*-*)
655 ;;
656 sparc*-*-*)
657 ;;
658 x86_64-*-*)
659 ;;
660 *-*-*)
661 unsupported_languages="$unsupported_languages java"
662 ;;
663esac
664
665# Disable Java, libgcj or related libraries for some systems.
666case "${target}" in
9863d716
JM		 667 powerpc-*-darwin*)
668 ;;
669 i[[3456789]]86-*-darwin*)
670 ;;
671 x86_64-*-darwin[[912]]*)
672 ;;
673 *-*-darwin*)
674 noconfigdirs="$noconfigdirs ${libgcj}"
675 ;;
9863d716
JM		 676 *-*-netware*)
677 noconfigdirs="$noconfigdirs ${libgcj}"
678 ;;
679 *-*-rtems*)
680 noconfigdirs="$noconfigdirs ${libgcj}"
681 ;;
682 *-*-tpf*)
683 noconfigdirs="$noconfigdirs ${libgcj}"
684 ;;
685 *-*-uclinux*)
686 noconfigdirs="$noconfigdirs ${libgcj}"
687 ;;
688 *-*-vxworks*)
689 noconfigdirs="$noconfigdirs ${libgcj}"
690 ;;
9863d716
JM		 691 alpha*-*-*vms*)
692 noconfigdirs="$noconfigdirs ${libgcj}"
693 ;;
0827f9a6 694 arm-wince-pe)
9863d716
JM		 695 noconfigdirs="$noconfigdirs ${libgcj}"
696 ;;
9863d716
JM		 697 arm*-*-symbianelf*)
698 noconfigdirs="$noconfigdirs ${libgcj}"
699 ;;
9863d716 700 bfin-*-*)
9863d716
JM		 701 noconfigdirs="$noconfigdirs target-boehm-gc"
702 ;;
9863d716
JM		 703 cris-*-* | crisv32-*-*)
704 unsupported_languages="$unsupported_languages java"
705 case "${target}" in
706 *-*-linux*)
707 ;;
708 *) # See PR46792 regarding target-libffi.
709 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
710 esac
711 ;;
9863d716
JM		 712 hppa*64*-*-linux*)
713 # In this case, it's because the hppa64-linux target is for
714 # the kernel only at this point and has no libc, and thus no
715 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 716 unsupported_languages="$unsupported_languages java"
9863d716 717 ;;
82ae827f 718 hppa*64*-*-hpux*)
9863d716
JM		 719 noconfigdirs="$noconfigdirs ${libgcj}"
720 ;;
721 hppa*-hp-hpux11*)
722 ;;
82ae827f 723 hppa*-*-hpux*)
9863d716
JM		 724 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
725 # build on HP-UX 10.20.
726 noconfigdirs="$noconfigdirs ${libgcj}"
727 ;;
9863d716
JM		 728 ia64*-*-*vms*)
729 noconfigdirs="$noconfigdirs ${libgcj}"
730 ;;
9863d716
JM		 731 i[[3456789]]86-w64-mingw*)
732 noconfigdirs="$noconfigdirs ${libgcj}"
733 ;;
734 i[[3456789]]86-*-mingw*)
735 noconfigdirs="$noconfigdirs ${libgcj}"
736 ;;
737 x86_64-*-mingw*)
738 noconfigdirs="$noconfigdirs ${libgcj}"
739 ;;
9863d716
JM		 740 mmix-*-*)
741 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 742 ;;
743 powerpc-*-aix*)
744 # copied from rs6000-*-* entry
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
9863d716
JM		 747 rs6000-*-aix*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
9863d716
JM		 750 *-*-lynxos*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 752 ;;
9863d716
JM		 753esac
754
a413f71a
ILT		 755# Disable libgo for some systems where it is known to not work.
756# For testing, you can easily override this with --enable-libgo.
757if test x$enable_libgo = x; then
758 case "${target}" in
759 *-*-darwin*)
760 # PR 46986
761 noconfigdirs="$noconfigdirs target-libgo"
762 ;;
763 *-*-cygwin* | *-*-mingw*)
764 noconfigdirs="$noconfigdirs target-libgo"
765 ;;
766 *-*-aix*)
767 noconfigdirs="$noconfigdirs target-libgo"
768 ;;
769 esac
770fi
771
691bb5a1
DD		 772# Default libgloss CPU subdirectory.
773libgloss_dir="$target_cpu"
4b1cb4fe 774
ff46fb8f
JM		 775case "${target}" in
776 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
777 libgloss_dir=wince
778 ;;
f1dd87fc
YZ		 779 aarch64*-*-* )
780 libgloss_dir=aarch64
781 ;;
ff46fb8f
JM		 782 arm*-*-*)
783 libgloss_dir=arm
784 ;;
785 cris-*-* | crisv32-*-*)
786 libgloss_dir=cris
787 ;;
788 hppa*-*-*)
789 libgloss_dir=pa
790 ;;
791 i[[3456789]]86-*-*)
792 libgloss_dir=i386
793 ;;
794 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
795 libgloss_dir=m68hc11
796 ;;
797 m68*-*-* | fido-*-*)
798 libgloss_dir=m68k
799 ;;
800 mips*-*-*)
801 libgloss_dir=mips
802 ;;
803 powerpc*-*-*)
804 libgloss_dir=rs6000
805 ;;
806 sparc*-*-*)
807 libgloss_dir=sparc
808 ;;
809esac
810
c7e4b184 811# Disable newlib and libgloss for various target OSes.
252b5132 812case "${target}" in
c7e4b184
JM		 813 alpha*-dec-osf*)
814 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
815 ;;
816 i[[3456789]]86-*-linux*)
817 # This section makes it possible to build newlib natively on linux.
818 # If we are using a cross compiler then don't configure newlib.
819 if test x${is_cross_compiler} != xno ; then
820 noconfigdirs="$noconfigdirs target-newlib"
821 fi
822 noconfigdirs="$noconfigdirs target-libgloss"
823 # If we are not using a cross compiler, do configure newlib.
824 # Note however, that newlib will only be configured in this situation
825 # if the --with-newlib option has been given, because otherwise
826 # 'target-newlib' will appear in skipdirs.
827 ;;
828 i[[3456789]]86-*-rdos*)
829 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
830 ;;
831 sh*-*-pe|mips*-*-pe|arm-wince-pe)
832 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
833 ;;
834 sparc-*-sunos4*)
835 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
836 ;;
837 *-*-aix*)
838 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
839 ;;
840 *-*-beos*)
841 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
842 ;;
75205f78 843 *-*-chorusos)
b2f14e4a 844 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 845 ;;
c7e4b184
JM		 846 *-*-dragonfly*)
847 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
848 ;;
849 *-*-freebsd*)
850 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
851 ;;
852 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
853 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
854 ;;
855 *-*-lynxos*)
856 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 857 ;;
c7e4b184
JM		 858 *-*-mingw*)
859 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
860 ;;
861 *-*-netbsd*)
862 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
863 ;;
864 *-*-netware*)
865 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
866 ;;
867 *-*-tpf*)
868 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
869 ;;
870 *-*-uclinux*)
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
872 ;;
873 *-*-vxworks*)
874 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 ;;
876esac
877
878case "${target}" in
879 *-*-chorusos)
880 ;;
24741ab2 881 powerpc-*-darwin*)
9d39db92 882 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 883 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 884 ;;
85bd1942
TG		 885 i[[3456789]]86-*-darwin*)
886 noconfigdirs="$noconfigdirs ld gprof"
887 noconfigdirs="$noconfigdirs sim target-rda"
888 ;;
e8a5fa9c 889 x86_64-*-darwin[[912]]*)
652dec25
TG		 890 noconfigdirs="$noconfigdirs ld gas gprof"
891 noconfigdirs="$noconfigdirs sim target-rda"
892 ;;
04d1ab34 893 *-*-darwin*)
d320aacb 894 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 895 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 896 ;;
5b806d27 897 *-*-dragonfly*)
5b806d27 898 ;;
de0b4a87 899 *-*-freebsd*)
4b1cb4fe
DD		 900 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
901 && test -f /usr/local/include/gmp.h; then
902 with_gmp=/usr/local
903 fi
4b1cb4fe 904 ;;
f8a495c8
NC		 905 *-*-kaos*)
906 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 907 noconfigdirs="$noconfigdirs target-libgloss"
908 ;;
e82380cc 909 *-*-netbsd*)
e82380cc 910 ;;
2a3124ca 911 *-*-netware*)
252b5132
RH		 912 ;;
913 *-*-rtems*)
9863d716 914 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 915 ;;
1587117a
EC		 916 # The tpf target doesn't support gdb yet.
917 *-*-tpf*)
c7e4b184 918 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 919 ;;
c1968181 920 *-*-uclinux*)
c7e4b184 921 noconfigdirs="$noconfigdirs target-rda"
c1968181 922 ;;
252b5132 923 *-*-vxworks*)
252b5132
RH		 924 ;;
925 alpha*-dec-osf*)
e99daf2b 926 # ld works, but does not support shared libraries.
252b5132 927 # gas doesn't generate exception information.
c7e4b184 928 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 929 ;;
930 alpha*-*-*vms*)
9863d716 931 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 932 ;;
252b5132
RH		 933 alpha*-*-*)
934 # newlib is not 64 bit ready
9863d716 935 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 936 ;;
2fb651f6 937 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 938 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 939 ;;
252b5132 940 arc-*-*)
782cb41f 941 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 942 ;;
943 arm-*-pe*)
9863d716 944 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 945 ;;
252b5132 946 arm-*-riscix*)
b2f14e4a 947 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 948 ;;
8e71395b
L		 949 avr-*-rtems*)
950 ;;
951 avr-*-*)
952 if test x${with_avrlibc} != xno; then
953 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
954 fi
955 ;;
ff72e302 956 c4x-*-* | tic4x-*-*)
b2f14e4a 957 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 958 ;;
b2f14e4a
JM		 959 tic54x-*-*)
960 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 961 ;;
252b5132 962 d10v-*-*)
b2f14e4a 963 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 964 ;;
252b5132 965 d30v-*-*)
b2f14e4a 966 noconfigdirs="$noconfigdirs gdb"
252b5132 967 ;;
252b5132 968 fr30-*-elf*)
9863d716 969 noconfigdirs="$noconfigdirs gdb"
252b5132 970 ;;
20135e4c 971 moxie-*-*)
20135e4c
NC		 972 noconfigdirs="$noconfigdirs gprof"
973 ;;
dd1e52a4 974 h8300*-*-*)
9863d716 975 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 976 ;;
252b5132 977 h8500-*-*)
b2f14e4a 978 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 979 ;;
caeba88f 980 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 981 ;;
93cc359e 982 hppa*64*-*-linux*)
252b5132 983 ;;
f0ff0f90 984 hppa*-*-linux*)
5dcac624 985 ;;
252b5132 986 hppa*-*-*elf* | \
09e90eb4 987 hppa*-*-lites* | \
17240c1f 988 hppa*-*-openbsd* | \
09e90eb4 989 hppa*64*-*-*)
4f0ef2d8
CD		 990 ;;
991 hppa*-hp-hpux11*)
0377a422 992 noconfigdirs="$noconfigdirs ld"
252b5132 993 ;;
691bb5a1 994 hppa*-*-pro*)
691bb5a1 995 ;;
252b5132 996 hppa*-*-*)
9863d716 997 noconfigdirs="$noconfigdirs ld"
252b5132 998 ;;
b07c2aad 999 i960-*-*)
b2f14e4a 1000 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1001 ;;
2315914d
JW		 1002 ia64*-*-elf*)
1003 # No gdb support yet.
0377a422 1004 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1005 ;;
a0c1c920 1006 ia64*-**-hpux*)
92c9a463 1007 # No ld support yet.
9863d716 1008 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 1009 ;;
19e99079 1010 ia64*-*-*vms*)
7ec59b9e
L		 1011 # No ld support yet.
1012 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1013 ;;
1f53ca9a 1014 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1015 ;;
1016 i[[3456789]]86-*-mingw*)
45055374 1017 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1018 ;;
252b5132
RH		 1019 *-*-cygwin*)
1020 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1021 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1022 # always build newlib if winsup directory is present.
45055374 1023 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1024 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1025 elif test -d "$srcdir/newlib"; then
45055374 1026 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1027 fi
1f53ca9a 1028 ;;
ec11bdc6 1029 i[[3456789]]86-*-pe)
782cb41f 1030 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1031 ;;
ec11bdc6 1032 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1033 # The linker does not yet know about weak symbols in COFF,
1034 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1035 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1036 ;;
ec11bdc6 1037 i[[3456789]]86-*-sco*)
b2f14e4a 1038 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1039 ;;
cff32a7c 1040 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1041 noconfigdirs="$noconfigdirs target-libgloss"
1042 ;;
ec11bdc6 1043 i[[3456789]]86-*-sysv4*)
b2f14e4a 1044 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1045 ;;
ec11bdc6 1046 i[[3456789]]86-*-beos*)
c7e4b184 1047 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1048 ;;
b59bea8a 1049 i[[3456789]]86-*-rdos*)
c7e4b184 1050 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1051 ;;
75205f78 1052 mmix-*-*)
9863d716 1053 noconfigdirs="$noconfigdirs gdb"
75205f78 1054 ;;
4970f871 1055 mt-*-*)
cdb9b172
AH		 1056 noconfigdirs="$noconfigdirs sim"
1057 ;;
252b5132
RH		 1058 powerpc-*-aix*)
1059 # copied from rs6000-*-* entry
c7e4b184 1060 noconfigdirs="$noconfigdirs gprof"
252b5132 1061 ;;
93cc359e 1062 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1063 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1064 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1065 # always build newlib.
1066 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1067 ;;
1068 # This is temporary until we can link against shared libraries
1069 powerpcle-*-solaris*)
b2f14e4a 1070 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1071 ;;
1072 powerpc-*-beos*)
c7e4b184 1073 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1074 ;;
1075 rs6000-*-lynxos*)
c7e4b184 1076 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1077 ;;
1078 rs6000-*-aix*)
c7e4b184 1079 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1080 ;;
1081 rs6000-*-*)
9863d716 1082 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1083 ;;
1084 m68k-apollo-*)
b2f14e4a 1085 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1086 ;;
25a07265 1087 microblaze*)
9863d716 1088 noconfigdirs="$noconfigdirs gprof"
25a07265 1089 ;;
d09bbf00 1090 mips*-sde-elf* | mips*-mti-elf*)
5bd8be13
RS		 1091 if test x$with_newlib = xyes; then
1092 noconfigdirs="$noconfigdirs gprof"
1093 fi
5bd8be13 1094 ;;
252b5132 1095 mips*-*-irix5*)
b2f14e4a 1096 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1097 ;;
1098 mips*-*-irix6*)
9863d716 1099 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1100 ;;
252b5132 1101 mips*-*-bsd*)
b2f14e4a 1102 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1103 ;;
fad93c55 1104 mips*-*-linux*)
fad93c55 1105 ;;
252b5132 1106 mips*-*-*)
9863d716 1107 noconfigdirs="$noconfigdirs gprof"
252b5132 1108 ;;
dbf85af7 1109 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1110 case "${target}" in
1111 sh*-*-elf)
9863d716 1112 ;;
e8a5fa9c 1113 *)
9863d716 1114 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1115 esac
252b5132 1116 ;;
252b5132 1117 sparc-*-sunos4*)
c7e4b184 1118 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1119 use_gnu_ld=no
1120 fi
1121 ;;
619a3713 1122 tic6x-*-*)
40ae9136 1123 noconfigdirs="$noconfigdirs sim"
619a3713 1124 ;;
eb4b2452
NC		 1125 tilepro-*-* | tilegx-*-*)
1126 noconfigdirs="$noconfigdirs sim"
1127 ;;
252b5132 1128 v810-*-*)
b2f14e4a 1129 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1130 ;;
1131 vax-*-*)
9863d716 1132 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1133 ;;
252b5132
RH		 1134esac
1135
1136# If we aren't building newlib, then don't build libgloss, since libgloss
1137# depends upon some newlib header files.
1138case "${noconfigdirs}" in
1139 *target-libgloss*) ;;
1140 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1141esac
252b5132 1142
f48556b1 1143# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1144host_makefile_frag=/dev/null
f48556b1
DD		 1145if test -d ${srcdir}/config ; then
1146case "${host}" in
ec11bdc6 1147 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1148 host_makefile_frag="config/mh-djgpp"
1149 ;;
1150 *-cygwin*)
e33b51a6 1151 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1152 host_makefile_frag="config/mh-cygwin"
1153 ;;
8a1599ab 1154 *-mingw*)
84e7906e 1155 host_makefile_frag="config/mh-mingw"
80f6dcbc 1156 ;;
da888c87 1157 hppa*-hp-hpux10*)
da888c87 1158 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1159 ;;
3516a403 1160 hppa*-hp-hpux*)
da888c87
PB		 1161 host_makefile_frag="config/mh-pa"
1162 ;;
7ec59b9e 1163 hppa*-*)
da888c87
PB		 1164 host_makefile_frag="config/mh-pa"
1165 ;;
e552509b
ILT		 1166 *-*-darwin*)
1167 host_makefile_frag="config/mh-darwin"
0df3d27f 1168 ;;
f6d183c0
PB		 1169 powerpc-*-aix*)
1170 host_makefile_frag="config/mh-ppc-aix"
1171 ;;
1172 rs6000-*-aix*)
1173 host_makefile_frag="config/mh-ppc-aix"
1174 ;;
f48556b1
DD		 1175esac
1176fi
1177
9e07f89d 1178if test "${build}" != "${host}" ; then
b5714970
PB		 1179 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1180 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1181 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1182 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1183 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1184 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1185 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1186 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1187 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1188 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1189 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1190 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1191 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1192else
b5714970
PB		 1193 AR_FOR_BUILD="\$(AR)"
1194 AS_FOR_BUILD="\$(AS)"
9e07f89d 1195 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1196 CXX_FOR_BUILD="\$(CXX)"
1197 GCJ_FOR_BUILD="\$(GCJ)"
1198 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1199 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1200 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1201 LD_FOR_BUILD="\$(LD)"
1202 NM_FOR_BUILD="\$(NM)"
1203 RANLIB_FOR_BUILD="\$(RANLIB)"
1204 WINDRES_FOR_BUILD="\$(WINDRES)"
1205 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1206fi
9e07f89d 1207
24ff9987
DJ		 1208AC_PROG_CC
1209AC_PROG_CXX
1210
1211# We must set the default linker to the linker used by gcc for the correct
1212# operation of libtool. If LD is not defined and we are using gcc, try to
1213# set the LD default to the ld used by gcc.
1214if test -z "$LD"; then
1215 if test "$GCC" = yes; then
1216 case $build in
1217 *-*-mingw*)
1218 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1219 *)
1220 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1221 esac
1222 case $gcc_prog_ld in
1223 # Accept absolute paths.
1224 [[\\/]* | [A-Za-z]:[\\/]*)]
1225 LD="$gcc_prog_ld" ;;
1226 esac
1227 fi
9e07f89d
NN		 1228fi
1229
b3676d82
EB		 1230# Check whether -static-libstdc++ -static-libgcc is supported.
1231have_static_libs=no
1232if test "$GCC" = yes; then
1233 saved_LDFLAGS="$LDFLAGS"
1234
1235 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1236 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1237 AC_LANG_PUSH(C++)
a882be68
EB		 1238 AC_LINK_IFELSE([
1239#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1240#error -static-libstdc++ not implemented
1241#endif
1242int main() {}],
b3676d82
EB		 1243 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1244 [AC_MSG_RESULT([no])])
1245 AC_LANG_POP(C++)
1246
1247 LDFLAGS="$saved_LDFLAGS"
1248fi
1249
9e07f89d 1250ACX_PROG_GNAT
b8908782 1251ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1252
ffdd6afc
ILT		 1253AC_ARG_ENABLE([bootstrap],
1254[AS_HELP_STRING([--enable-bootstrap],
1255 [enable bootstrapping @<:@yes if native build@:>@])],,
1256enable_bootstrap=default)
1257
1258# Issue errors and warnings for invalid/strange bootstrap combinations.
1259if test -r $srcdir/gcc/configure; then
1260 have_compiler=yes
1261else
1262 have_compiler=no
1263fi
1264
1265case "$have_compiler:$host:$target:$enable_bootstrap" in
1266 *:*:*:no) ;;
1267
1268 # Default behavior. Enable bootstrap if we have a compiler
1269 # and we are in a native configuration.
1270 yes:$build:$build:default)
1271 enable_bootstrap=yes ;;
1272
1273 *:*:*:default)
1274 enable_bootstrap=no ;;
1275
1276 # We have a compiler and we are in a native configuration, bootstrap is ok
1277 yes:$build:$build:yes)
1278 ;;
1279
1280 # Other configurations, but we have a compiler. Assume the user knows
1281 # what he's doing.
1282 yes:*:*:yes)
1283 AC_MSG_WARN([trying to bootstrap a cross compiler])
1284 ;;
1285
1286 # No compiler: if they passed --enable-bootstrap explicitly, fail
1287 no:*:*:yes)
1288 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1289
1290 # Fail if wrong command line
1291 *)
1292 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1293 ;;
1294esac
1295
d5f2ee2e
KG		 1296# Used for setting $lt_cv_objdir
1297_LT_CHECK_OBJDIR
1298
e8a5fa9c 1299# Check for GMP, MPFR and MPC
d9b76ff9 1300gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1301gmpinc=
4b900473 1302have_gmp=no
e8a5fa9c
RW		 1303
1304# Specify a location for mpc
1305# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1306AC_ARG_WITH(mpc,
1307[AS_HELP_STRING([--with-mpc=PATH],
1308 [specify prefix directory for installed MPC package.
1309 Equivalent to --with-mpc-include=PATH/include
1310 plus --with-mpc-lib=PATH/lib])])
1311AC_ARG_WITH(mpc-include,
1312[AS_HELP_STRING([--with-mpc-include=PATH],
1313 [specify directory for installed MPC include files])])
1314AC_ARG_WITH(mpc-lib,
1315[AS_HELP_STRING([--with-mpc-lib=PATH],
1316 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1317
1318if test "x$with_mpc" != x; then
d9b76ff9
KG		 1319 gmplibs="-L$with_mpc/lib $gmplibs"
1320 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1321fi
1322if test "x$with_mpc_include" != x; then
d9b76ff9 1323 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1324fi
1325if test "x$with_mpc_lib" != x; then
d9b76ff9 1326 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1327fi
1328if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1329 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1330 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1331 # Do not test the mpc version. Assume that it is sufficient, since
1332 # it is in the source tree, and the library has not been built yet
1333 # but it would be included on the link line in the version check below
1334 # hence making the test fail.
d9b76ff9 1335 have_gmp=yes
e8a5fa9c 1336fi
4b900473 1337
11b04d1f
DD		 1338# Specify a location for mpfr
1339# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1340AC_ARG_WITH(mpfr-dir,
1341[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1342[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1343Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1344
1345AC_ARG_WITH(mpfr,
1346[AS_HELP_STRING([--with-mpfr=PATH],
1347 [specify prefix directory for installed MPFR package.
1348 Equivalent to --with-mpfr-include=PATH/include
1349 plus --with-mpfr-lib=PATH/lib])])
1350AC_ARG_WITH(mpfr-include,
1351[AS_HELP_STRING([--with-mpfr-include=PATH],
1352 [specify directory for installed MPFR include files])])
1353AC_ARG_WITH(mpfr-lib,
1354[AS_HELP_STRING([--with-mpfr-lib=PATH],
1355 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1356
1357if test "x$with_mpfr" != x; then
1358 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1359 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1360fi
8a0d8a5c 1361if test "x$with_mpfr_include" != x; then
d9b76ff9 1362 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1363fi
1364if test "x$with_mpfr_lib" != x; then
1365 gmplibs="-L$with_mpfr_lib $gmplibs"
1366fi
4b900473 1367if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1368 # MPFR v3.1.0 moved the sources into a src sub-directory.
1369 if test -d ${srcdir}/mpfr/src; then
1370 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1371 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1372 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1373 else
1374 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1375 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1376 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1377 fi
4b900473
PB		 1378 # Do not test the mpfr version. Assume that it is sufficient, since
1379 # it is in the source tree, and the library has not been built yet
1380 # but it would be included on the link line in the version check below
1381 # hence making the test fail.
1382 have_gmp=yes
1383fi
11b04d1f 1384
4b1cb4fe 1385# Specify a location for gmp
7837304f
AS		 1386AC_ARG_WITH(gmp-dir,
1387[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1388[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1389Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1390
1391AC_ARG_WITH(gmp,
1392[AS_HELP_STRING([--with-gmp=PATH],
1393 [specify prefix directory for the installed GMP package.
1394 Equivalent to --with-gmp-include=PATH/include
1395 plus --with-gmp-lib=PATH/lib])])
1396AC_ARG_WITH(gmp-include,
1397[AS_HELP_STRING([--with-gmp-include=PATH],
1398 [specify directory for installed GMP include files])])
1399AC_ARG_WITH(gmp-lib,
1400[AS_HELP_STRING([--with-gmp-lib=PATH],
1401 [specify directory for the installed GMP library])])
4b1cb4fe 1402
4b1cb4fe 1403
11b04d1f
DD		 1404if test "x$with_gmp" != x; then
1405 gmplibs="-L$with_gmp/lib $gmplibs"
1406 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1407fi
8a0d8a5c
PB		 1408if test "x$with_gmp_include" != x; then
1409 gmpinc="-I$with_gmp_include $gmpinc"
1410fi
1411if test "x$with_gmp_lib" != x; then
1412 gmplibs="-L$with_gmp_lib $gmplibs"
1413fi
4b900473 1414if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1415 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1416 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1417 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1418 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1419 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1420 # Do not test the gmp version. Assume that it is sufficient, since
1421 # it is in the source tree, and the library has not been built yet
1422 # but it would be included on the link line in the version check below
1423 # hence making the test fail.
1424 have_gmp=yes
1425fi
4b1cb4fe 1426
ceb92e78 1427if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1428 have_gmp=yes
1429 saved_CFLAGS="$CFLAGS"
1430 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1431 # Check for the recommended and required versions of GMP.
1432 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1433 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1434 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1435 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1436 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1437 choke me
4b900473 1438 #endif
a009f2e7 1439 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1440 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1441 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1442 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1443 choke me
1444 #endif
a009f2e7 1445 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1446 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1447
e8a5fa9c 1448 # If we have GMP, check the MPFR version.
4b900473 1449 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1450 # Check for the recommended and required versions of MPFR.
1451 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1452 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1453 #include <mpfr.h>],[
7ec59b9e 1454 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1455 choke me
1456 #endif
a009f2e7 1457 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1458 #include <mpfr.h>],[
a6b5846e 1459 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1460 choke me
1461 #endif
a009f2e7 1462 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1463 [AC_MSG_RESULT([no]); have_gmp=no])
1464 fi
1465
1466 # Check for the MPC header version.
d9b76ff9 1467 if test x"$have_gmp" = xyes ; then
a6b5846e 1468 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1469 AC_MSG_CHECKING([for the correct version of mpc.h])
1470 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1471 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1472 choke me
1473 #endif
a009f2e7 1474 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1475 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1476 choke me
1477 #endif
a009f2e7 1478 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1479 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1480 fi
1481
1482 # Now check the MPFR library.
1483 if test x"$have_gmp" = xyes; then
1484 saved_LIBS="$LIBS"
1485 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1486 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1487 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1488 mpfr_t n;
1489 mpfr_t x;
d9b76ff9 1490 mpc_t c;
4b900473 1491 int t;
a3ca38d2
DD		 1492 mpfr_init (n);
1493 mpfr_init (x);
4b900473
PB		 1494 mpfr_atan2 (n, n, x, GMP_RNDN);
1495 mpfr_erfc (n, x, GMP_RNDN);
1496 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1497 mpfr_clear(n);
1498 mpfr_clear(x);
1499 mpc_init2 (c, 53);
1500 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1501 mpc_cosh (c, c, MPC_RNDNN);
1502 mpc_pow (c, c, c, MPC_RNDNN);
1503 mpc_acosh (c, c, MPC_RNDNN);
1504 mpc_clear (c);
e8a5fa9c
RW		 1505 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1506 LIBS="$saved_LIBS"
4b900473 1507 fi
e8a5fa9c 1508
4b900473 1509 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1510
a6b5846e
KG		 1511# The library versions listed in the error message below should match
1512# the HARD-minimums enforced above.
4b900473 1513 if test x$have_gmp != xyes; then
7ec59b9e 1514 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1515Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1516their locations. Source code for these libraries can be found at
1517their respective hosting sites as well as at
1518ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1519http://gcc.gnu.org/install/prerequisites.html for additional info. If
1520you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1521make sure that you have installed both the libraries and the header
1522files. They may be located in separate packages.])
4b900473 1523 fi
9dbaa842
DD		 1524fi
1525
e8a5fa9c 1526# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1527AC_SUBST(gmplibs)
1528AC_SUBST(gmpinc)
e8a5fa9c
RW		 1529AC_SUBST(extra_mpfr_configure_flags)
1530AC_SUBST(extra_mpc_gmp_configure_flags)
1531AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1532AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1533
29383458 1534# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1535AC_ARG_WITH(host-libstdcxx,
1536[AS_HELP_STRING([--with-host-libstdcxx=L],
1537 [use linker arguments L to link with libstdc++
1538 when linking with PPL])])
29383458
JM		 1539
1540case $with_host_libstdcxx in
1541 no|yes)
1542 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1543 ;;
1544esac
e28c595f 1545
e8a5fa9c
RW		 1546# Libraries to use for stage1 or when not bootstrapping.
1547AC_ARG_WITH(stage1-libs,
7837304f 1548[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1549[if test "$withval" = "no" -o "$withval" = "yes"; then
1550 stage1_libs=
1551 else
1552 stage1_libs=$withval
1553 fi],
1554[stage1_libs=$with_host_libstdcxx])
1555AC_SUBST(stage1_libs)
1556
b3676d82
EB		 1557# Linker flags to use for stage1 or when not bootstrapping.
1558AC_ARG_WITH(stage1-ldflags,
1559[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1560[if test "$withval" = "no" -o "$withval" = "yes"; then
1561 stage1_ldflags=
1562 else
1563 stage1_ldflags=$withval
1564 fi],
1565[stage1_ldflags=
1566 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1567 # if supported. But if the user explicitly specified the libraries to use,
1568 # trust that they are doing what they want.
1569 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1570 stage1_ldflags="-static-libstdc++ -static-libgcc"
1571 fi])
1572AC_SUBST(stage1_ldflags)
1573
e8a5fa9c
RW		 1574# Libraries to use for stage2 and later builds. This defaults to the
1575# argument passed to --with-host-libstdcxx.
1576AC_ARG_WITH(boot-libs,
7837304f 1577[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1578[if test "$withval" = "no" -o "$withval" = "yes"; then
1579 poststage1_libs=
1580 else
1581 poststage1_libs=$withval
1582 fi],
1583[poststage1_libs=$with_host_libstdcxx])
1584AC_SUBST(poststage1_libs)
1585
143754cd
NC		 1586# Linker flags to use for stage2 and later builds.
1587AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1588[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1589 [linker flags for stage2 and later])],
143754cd
NC		 1590[if test "$withval" = "no" -o "$withval" = "yes"; then
1591 poststage1_ldflags=
1592 else
1593 poststage1_ldflags=$withval
1594 fi],
1595[poststage1_ldflags=
4f11b223
ILT		 1596 # In stages 2 and 3, default to linking libstdc++ and libgcc
1597 # statically. But if the user explicitly specified the libraries to
1598 # use, trust that they are doing what they want.
1599 if test "$poststage1_libs" = ""; then
143754cd
NC		 1600 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1601 fi])
1602AC_SUBST(poststage1_ldflags)
1603
8e71395b
L		 1604# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1605# Basic setup is inlined here, actual checks are in config/cloog.m4 and
1606# config/isl.m4
1607
1608AC_ARG_WITH(cloog,
1609 [AS_HELP_STRING(
1610 [--with-cloog=PATH],
1611 [Specify prefix directory for the installed CLooG-ISL package.
1612 Equivalent to --with-cloog-include=PATH/include
1613 plus --with-cloog-lib=PATH/lib])])
1614AC_ARG_WITH(isl,
1615 [AS_HELP_STRING(
1616 [--with-isl=PATH],
1617 [Specify prefix directory for the installed ISL package.
1618 Equivalent to --with-isl-include=PATH/include
1619 plus --with-isl-lib=PATH/lib])])
1620
1621# Treat either --without-cloog or --without-isl as a request to disable
1622# GRAPHITE support and skip all following checks.
1623if test "x$with_isl" != "xno" &&
1624 test "x$with_cloog" != "xno"; then
1625 # Check for ISL
1626 dnl Provide configure switches and initialize islinc & isllibs
1627 dnl with user input.
1628 ISL_INIT_FLAGS
3dae1673 1629 dnl The versions of ISL that work for Graphite
7ec59b9e 1630 ISL_CHECK_VERSION(0,10)
3dae1673
JBG		 1631 if test "${gcc_cv_isl}" = no ; then
1632 ISL_CHECK_VERSION(0,11)
1633 fi
7ec59b9e
L		 1634 dnl Only execute fail-action, if ISL has been requested.
1635 ISL_IF_FAILED([
1636 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f 1637
8e71395b
L		 1638 if test "x$gcc_cv_isl" != "xno"; then
1639 # Check for CLOOG
1640 dnl Provide configure switches and initialize clooginc & clooglibs
1641 dnl with user input.
1642 CLOOG_INIT_FLAGS
3dae1673 1643 dnl The versions of CLooG that work for Graphite.
8e71395b 1644 CLOOG_CHECK_VERSION(0,17,0)
3dae1673
JBG		 1645 if test "${gcc_cv_cloog}" = no ; then
1646 CLOOG_CHECK_VERSION(0,18,0)
1647 fi
8e71395b
L		 1648
1649 dnl Only execute fail-action, if CLooG has been requested.
1650 CLOOG_IF_FAILED([
1651 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1652 fi
e28c595f
JM		 1653fi
1654
7ec59b9e
L		 1655# If either the ISL or the CLooG check failed, disable builds of in-tree
1656# variants of both
8e71395b
L		 1657if test "x$with_isl" = xno ||
1658 test "x$with_cloog" = xno ||
1659 test "x$gcc_cv_cloog" = xno ||
1660 test "x$gcc_cv_isl" = xno; then
7ec59b9e 1661 noconfigdirs="$noconfigdirs cloog isl"
8e71395b
L		 1662 islinc=
1663 clooginc=
1664 clooglibs=
7ec59b9e
L		 1665fi
1666
8e71395b
L		 1667AC_SUBST(islinc)
1668AC_SUBST(clooglibs)
1669AC_SUBST(clooginc)
1670
1671
700d40ca
ILT		 1672# Check for LTO support.
1673AC_ARG_ENABLE(lto,
7837304f 1674[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1675enable_lto=$enableval,
1676enable_lto=yes; default_enable_lto=yes)
1677
74cea91b
DK		 1678ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1679 build_lto_plugin=yes
1680],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1681 case $target in
899b04ef 1682 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1683 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1684 *) enable_lto=no ;;
1685 esac
e49e5c92 1686 else
29821356
RW		 1687 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1688 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1689 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1690 # warn during gcc/ subconfigure; unless you're bootstrapping with
1691 # -flto it won't be needed until after installation anyway.
1692 case $target in
a8eb3f0a 1693 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1694 *) if test x"$enable_lto" = x"yes"; then
1695 AC_MSG_ERROR([LTO support is not enabled for this target.])
1696 fi
1697 ;;
1698 esac
1699 fi
a8eb3f0a 1700 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1701 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1702 case $target in
74cea91b 1703 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1704 *) ;;
1705 esac
74cea91b 1706])
700d40ca 1707
e28c595f 1708
7ec59b9e 1709# By default, C and C++ are the only stage 1 languages.
9b134994 1710stage1_languages=,c,
1d39f329 1711
e8a5fa9c 1712# Target libraries that we bootstrap.
2aa2364a 1713bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1714
9e07f89d
NN		 1715# Figure out what language subdirectories are present.
1716# Look if the user specified --enable-languages="..."; if not, use
1717# the environment variable $LANGUAGES if defined. $LANGUAGES might
1718# go away some day.
1719# NB: embedded tabs in this IF block -- do not untabify
1720if test -d ${srcdir}/gcc; then
1721 if test x"${enable_languages+set}" != xset; then
1722 if test x"${LANGUAGES+set}" = xset; then
1723 enable_languages="${LANGUAGES}"
1724 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1725 else
1726 enable_languages=all
1727 fi
1728 else
1729 if test x"${enable_languages}" = x ||
1730 test x"${enable_languages}" = xyes;
1731 then
1732 echo configure.in: --enable-languages needs at least one language argument 1>&2
1733 exit 1
1734 fi
1735 fi
1736 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1737
096f7d00
DE		 1738 # 'f95' is the old name for the 'fortran' language. We issue a warning
1739 # and make the substitution.
1740 case ,${enable_languages}, in
1741 *,f95,*)
1742 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1743 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1744 ;;
1745 esac
1746
7ec59b9e
L		 1747 # If bootstrapping, C++ must be enabled.
1748 case ",$enable_languages,:$enable_bootstrap" in
1749 *,c++,*:*) ;;
1750 *:yes)
ffdd6afc
ILT		 1751 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1752 enable_languages="${enable_languages},c++"
1753 else
7ec59b9e 1754 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1755 fi
1756 ;;
1757 esac
1758
9e07f89d
NN		 1759 # First scan to see if an enabled language requires some other language.
1760 # We assume that a given config-lang.in will list all the language
1761 # front ends it requires, even if some are required indirectly.
1762 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1763 case ${lang_frag} in
1764 ..) ;;
1765 # The odd quoting in the next line works around
1766 # an apparent bug in bash 1.12 on linux.
1767 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1768 *)
e552509b
ILT		 1769 # From the config-lang.in, get $language, $lang_requires, and
1770 # $lang_requires_boot_languages.
9e07f89d
NN		 1771 language=
1772 lang_requires=
e552509b 1773 lang_requires_boot_languages=
9e07f89d 1774 . ${lang_frag}
e552509b 1775 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1776 case ,${enable_languages}, in
1777 *,$other,*) ;;
1778 *,all,*) ;;
1779 *,$language,*)
1780 echo " \`$other' language required by \`$language'; enabling" 1>&2
1781 enable_languages="${enable_languages},${other}"
1782 ;;
1783 esac
1784 done
e552509b
ILT		 1785 for other in ${lang_requires_boot_languages} ; do
1786 if test "$other" != "c"; then
1787 case ,${enable_stage1_languages}, in
1788 *,$other,*) ;;
1789 *,all,*) ;;
1790 *)
1791 case ,${enable_languages}, in
1792 *,$language,*)
1793 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1794 enable_stage1_languages="$enable_stage1_languages,${other}"
1795 ;;
1796 esac
1797 ;;
1798 esac
1799 fi
1800 done
9e07f89d
NN		 1801 ;;
1802 esac
1803 done
1804
9b134994 1805 new_enable_languages=,c,
700d40ca
ILT		 1806
1807 # If LTO is enabled, add the LTO front end.
1808 extra_host_libiberty_configure_flags=
1809 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1810 case ,${enable_languages}, in
1811 *,lto,*) ;;
1812 *) enable_languages="${enable_languages},lto" ;;
1813 esac
a8eb3f0a 1814 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1815 configdirs="$configdirs lto-plugin"
1816 extra_host_libiberty_configure_flags=--enable-shared
1817 fi
1818 fi
1819 AC_SUBST(extra_host_libiberty_configure_flags)
1820
9e07f89d 1821 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1822 potential_languages=,c,
9e07f89d 1823
9e1a94f4
ILT		 1824 enabled_target_libs=
1825 disabled_target_libs=
1826
9e07f89d
NN		 1827 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1828 case ${lang_frag} in
1829 ..) ;;
1830 # The odd quoting in the next line works around
1831 # an apparent bug in bash 1.12 on linux.
1832 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1833 *)
7ec59b9e 1834 # From the config-lang.in, get $language, $target_libs,
1d39f329 1835 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1836 language=
1837 target_libs=
1838 lang_dirs=
64ce424c 1839 subdir_requires=
9b134994
PB		 1840 boot_language=no
1841 build_by_default=yes
9e07f89d 1842 . ${lang_frag}
9b134994
PB		 1843 if test x${language} = x; then
1844 echo "${lang_frag} doesn't set \$language." 1>&2
1845 exit 1
1846 fi
1847
ffdd6afc 1848 if test "$language" = "c++"; then
7ec59b9e 1849 boot_language=yes
e8a5fa9c
RW		 1850 fi
1851
8e71395b 1852 add_this_lang=no
9b134994
PB		 1853 case ,${enable_languages}, in
1854 *,${language},*)
7ec59b9e
L		 1855 # Language was explicitly selected; include it
1856 # unless it is C, which is enabled by default.
1857 if test "$language" != "c"; then
1858 add_this_lang=yes
1859 fi
9e07f89d 1860 ;;
9b134994
PB		 1861 *,all,*)
1862 # 'all' was selected, select it if it is a default language
8e71395b
L		 1863 if test "$language" != "c"; then
1864 add_this_lang=${build_by_default}
1865 fi
9e07f89d
NN		 1866 ;;
1867 esac
4b1cb4fe 1868
64ce424c 1869 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1870 for i in $subdir_requires; do
3d3adb43 1871 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1872 case ,${enable_languages}, in
1873 *,${language},*)
1874 # Specifically requested language; tell them.
1875 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1876 ;;
1877 *)
1878 # Silently disable.
9b134994 1879 add_this_lang=unsupported
64ce424c
PB		 1880 ;;
1881 esac
1882 done
1883
9b134994
PB		 1884 # Disable Ada if no preexisting GNAT is available.
1885 case ,${enable_languages},:${language}:${have_gnat} in
1886 *,${language},*:ada:no)
1887 # Specifically requested language; tell them.
1888 AC_MSG_ERROR([GNAT is required to build $language])
1889 ;;
1890 *:ada:no)
1891 # Silently disable.
1892 add_this_lang=unsupported
1893 ;;
1894 esac
1895
59f7ec45
HPN		 1896 # Disable a language that is unsupported by the target.
1897 case " $unsupported_languages " in
1898 *" $language "*)
9b134994 1899 add_this_lang=unsupported
59f7ec45
HPN		 1900 ;;
1901 esac
1902
4b1cb4fe 1903 case $add_this_lang in
9b134994 1904 unsupported)
9e07f89d 1905 # Remove language-dependent dirs.
9e1a94f4
ILT		 1906 disabled_target_libs="$disabled_target_libs $target_libs"
1907 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1908 ;;
9b134994
PB		 1909 no)
1910 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1911 disabled_target_libs="$disabled_target_libs $target_libs"
1912 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1913 potential_languages="${potential_languages}${language},"
1914 ;;
1915 yes)
1916 new_enable_languages="${new_enable_languages}${language},"
1917 potential_languages="${potential_languages}${language},"
1d39f329 1918 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1919 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1920 case "${boot_language}:,$enable_stage1_languages," in
1921 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1922 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1923 case ",$stage1_languages," in
1924 *,$language,* | ,yes, | ,all,) ;;
1925 *) stage1_languages="${stage1_languages}${language}," ;;
1926 esac
e8a5fa9c
RW		 1927 # We need to bootstrap any supporting libraries.
1928 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1929 ;;
1930 esac
1931 ;;
9e07f89d
NN		 1932 esac
1933 ;;
1934 esac
1935 done
1936
9e1a94f4
ILT		 1937 # Add target libraries which are only needed for disabled languages
1938 # to noconfigdirs.
1939 if test -n "$disabled_target_libs"; then
1940 for dir in $disabled_target_libs; do
1941 case " $enabled_target_libs " in
1942 *" ${dir} "*) ;;
1943 *) noconfigdirs="$noconfigdirs $dir" ;;
1944 esac
1945 done
1946 fi
1947
9b134994 1948 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1949 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1950 [choose additional languages to build during
1951 stage1. Mostly useful for compiler development])],
9b134994
PB		 1952 [case ,${enable_stage1_languages}, in
1953 ,no,|,,)
1954 # Set it to something that will have no effect in the loop below
1955 enable_stage1_languages=c ;;
1956 ,yes,)
1957 enable_stage1_languages=`echo $new_enable_languages | \
1958 sed -e "s/^,//" -e "s/,$//" ` ;;
1959 *,all,*)
1960 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1961 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1962 esac
1963
1964 # Add "good" languages from enable_stage1_languages to stage1_languages,
1965 # while "bad" languages go in missing_languages. Leave no duplicates.
1966 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1967 case $potential_languages in
1968 *,$i,*)
1969 case $stage1_languages in
1970 *,$i,*) ;;
1971 *) stage1_languages="$stage1_languages$i," ;;
1972 esac ;;
1973 *)
1974 case $missing_languages in
1975 *,$i,*) ;;
1976 *) missing_languages="$missing_languages$i," ;;
1977 esac ;;
1978 esac
1979 done])
1980
1981 # Remove leading/trailing commas that were added for simplicity
1982 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 1983 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 1984 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1985 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1986
9e07f89d
NN		 1987 if test "x$missing_languages" != x; then
1988 AC_MSG_ERROR([
27258dd4 1989The following requested languages could not be built: ${missing_languages}
9b134994 1990Supported languages are: ${potential_languages}])
9e07f89d 1991 fi
9e07f89d
NN		 1992 if test "x$new_enable_languages" != "x$enable_languages"; then
1993 echo The following languages will be built: ${new_enable_languages}
9b134994 1994 enable_languages="$new_enable_languages"
9e07f89d 1995 fi
9b134994
PB		 1996
1997 AC_SUBST(stage1_languages)
81ec575a 1998 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 1999fi
2000
a6df5a19
PB		 2001# Handle --disable-<component> generically.
2002for dir in $configdirs $build_configdirs $target_configdirs ; do
2003 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2004 varname=`echo $dirname | sed -e s/+/_/g`
2005 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2006 noconfigdirs="$noconfigdirs $dir"
2007 fi
2008done
2009
4f0ef2d8
CD		 2010# Check for Boehm's garbage collector
2011AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2012[AS_HELP_STRING([--enable-objc-gc],
2013 [enable use of Boehm's garbage collector with the
2014 GNU Objective-C runtime])],
4f0ef2d8
CD		 2015[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2016 *,objc,*:*:yes:*target-boehm-gc*)
2017 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2018 ;;
2019esac])
2020
2021# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2022case ,${enable_languages},:${enable_objc_gc} in
2023 *,objc,*:yes)
4f0ef2d8
CD		 2024 # Keep target-boehm-gc if requested for Objective-C.
2025 ;;
4f0ef2d8 2026 *)
d42c4017
DA		 2027 # Otherwise remove target-boehm-gc depending on target-libjava.
2028 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2029 noconfigdirs="$noconfigdirs target-boehm-gc"
2030 fi
4f0ef2d8
CD		 2031 ;;
2032esac
2033
c23b5043 2034# Disable libitm and libsanitizer if we're not building C++
7ec59b9e
L		 2035case ,${enable_languages}, in
2036 *,c++,*) ;;
2037 *)
c23b5043 2038 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
7ec59b9e
L		 2039 ;;
2040esac
2041
caeba88f
AL		 2042# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2043# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2044# If we have the source for $noconfigdirs entries, add them to $notsupp.
2045
2046notsupp=""
2047for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2048 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2049 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2050 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2051 if test -r $srcdir/$dirname/configure ; then
2052 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2053 true
2054 else
2055 notsupp="$notsupp $dir"
2056 fi
2057 fi
2058 fi
caeba88f
AL		 2059 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2060 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2061 if test -r $srcdir/$dirname/configure ; then
2062 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2063 true
2064 else
2065 notsupp="$notsupp $dir"
2066 fi
2067 fi
2068 fi
9e07f89d
NN		 2069 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2070 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2071 if test -r $srcdir/$dirname/configure ; then
2072 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2073 true
2074 else
2075 notsupp="$notsupp $dir"
2076 fi
2077 fi
2078 fi
2079done
2080
9e07f89d
NN		 2081# Quietly strip out all directories which aren't configurable in this tree.
2082# This relies on all configurable subdirectories being autoconfiscated, which
2083# is now the case.
6a9cf61e
PB		 2084build_configdirs_all="$build_configdirs"
2085build_configdirs=
2086for i in ${build_configdirs_all} ; do
7ec59b9e 2087 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2088 if test -f ${srcdir}/$j/configure ; then
2089 build_configdirs="${build_configdirs} $i"
2090 fi
2091done
2092
9e07f89d
NN		 2093configdirs_all="$configdirs"
2094configdirs=
2095for i in ${configdirs_all} ; do
2096 if test -f ${srcdir}/$i/configure ; then
2097 configdirs="${configdirs} $i"
2098 fi
2099done
6a9cf61e 2100
9e07f89d
NN		 2101target_configdirs_all="$target_configdirs"
2102target_configdirs=
2103for i in ${target_configdirs_all} ; do
7ec59b9e 2104 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2105 if test -f ${srcdir}/$j/configure ; then
2106 target_configdirs="${target_configdirs} $i"
2107 fi
2108done
2109
2110# Produce a warning message for the subdirs we can't configure.
2111# This isn't especially interesting in the Cygnus tree, but in the individual
2112# FSF releases, it's important to let people know when their machine isn't
2113# supported by the one or two programs in a package.
2114
2115if test -n "${notsupp}" && test -z "${norecursion}" ; then
2116 # If $appdirs is non-empty, at least one of those directories must still
2117 # be configured, or we error out. (E.g., if the gas release supports a
2118 # specified target in some subdirs but not the gas subdir, we shouldn't
2119 # pretend that all is well.)
2120 if test -n "$appdirs" ; then
2121 for dir in $appdirs ; do
2122 if test -r $dir/Makefile.in ; then
2123 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2124 appdirs=""
2125 break
2126 fi
6a9cf61e 2127 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2128 appdirs=""
2129 break
2130 fi
2131 fi
2132 done
2133 if test -n "$appdirs" ; then
2134 echo "*** This configuration is not supported by this package." 1>&2
2135 exit 1
2136 fi
2137 fi
2138 # Okay, some application will build, or we don't care to check. Still
2139 # notify of subdirs not getting built.
2140 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2141 echo " ${notsupp}" 1>&2
2142 echo " (Any other directories should still work fine.)" 1>&2
2143fi
2144
2145case "$host" in
2146 *msdosdjgpp*)
2147 enable_gdbtk=no ;;
2148esac
2149
24ff9987
DJ		 2150# To find our prefix, in gcc_cv_tool_prefix.
2151ACX_TOOL_DIRS
2152
9e07f89d
NN		 2153copy_dirs=
2154
7ec59b9e 2155AC_ARG_WITH([build-sysroot],
7837304f
AS		 2156 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2157 [use sysroot as the system root during the build])],
a19b6204
MM		 2158 [if test x"$withval" != x ; then
2159 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2160 fi],
2161 [SYSROOT_CFLAGS_FOR_TARGET=])
2162AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2163
8a6ee3ab 2164AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2165 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2166 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2167 [if test x"$withval" != x; then
2168 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2169 for debug_map in $withval; do
2170 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2171 done
2172 fi],
2173 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2174AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2175
7f6ef0c0
PB		 2176# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2177# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2178# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2179# We want to ensure that TARGET libraries (which we know are built with
2180# gcc) are built with "-O2 -g", so include those options when setting
2181# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2182if test "x$CFLAGS_FOR_TARGET" = x; then
2183 CFLAGS_FOR_TARGET=$CFLAGS
2184 case " $CFLAGS " in
2185 *" -O2 "*) ;;
68f107fa 2186 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2187 esac
2188 case " $CFLAGS " in
2189 *" -g "* | *" -g3 "*) ;;
68f107fa 2190 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2191 esac
2192fi
2193AC_SUBST(CFLAGS_FOR_TARGET)
2194
2195if test "x$CXXFLAGS_FOR_TARGET" = x; then
2196 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2197 case " $CXXFLAGS " in
2198 *" -O2 "*) ;;
68f107fa 2199 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2200 esac
2201 case " $CXXFLAGS " in
2202 *" -g "* | *" -g3 "*) ;;
68f107fa 2203 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2204 esac
2205fi
2206AC_SUBST(CXXFLAGS_FOR_TARGET)
2207
91c1f14c
DK		 2208AC_SUBST(LDFLAGS_FOR_TARGET)
2209
9e07f89d
NN		 2210# Handle --with-headers=XXX. If the value is not "yes", the contents of
2211# the named directory are copied to $(tooldir)/sys-include.
2212if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2213 if test x${is_cross_compiler} = xno ; then
2214 echo 1>&2 '***' --with-headers is only supported when cross compiling
2215 exit 1
2216 fi
2217 if test x"${with_headers}" != xyes ; then
24ff9987 2218 x=${gcc_cv_tool_prefix}
c6b750e1 2219 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2220 fi
2221fi
2222
2223# Handle --with-libs=XXX. If the value is not "yes", the contents of
2224# the name directories are copied to $(tooldir)/lib. Multiple directories
2225# are permitted.
2226if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2227 if test x${is_cross_compiler} = xno ; then
2228 echo 1>&2 '***' --with-libs is only supported when cross compiling
2229 exit 1
2230 fi
2231 if test x"${with_libs}" != xyes ; then
2232 # Copy the libraries in reverse order, so that files in the first named
2233 # library override files in subsequent libraries.
24ff9987 2234 x=${gcc_cv_tool_prefix}
9e07f89d 2235 for l in ${with_libs}; do
c6b750e1 2236 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2237 done
2238 fi
2239fi
2240
700d40ca 2241# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2242#
2243# This is done by determining whether or not the appropriate directory
2244# is available, and by checking whether or not specific configurations
2245# have requested that this magic not happen.
7ec59b9e
L		 2246#
2247# The command line options always override the explicit settings in
2429c060
PB		 2248# configure.in, and the settings in configure.in override this magic.
2249#
7ec59b9e 2250# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2251# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2252# --without-gnu-ld options for the configure script. Similarly, if
2253# the default is to use the included zlib and you don't want to do that,
2254# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2255
2256if test x${use_gnu_as} = x &&
2257 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2258 with_gnu_as=yes
2259 extra_host_args="$extra_host_args --with-gnu-as"
2260fi
2261
2262if test x${use_gnu_ld} = x &&
93f9b408 2263 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2264 with_gnu_ld=yes
2265 extra_host_args="$extra_host_args --with-gnu-ld"
2266fi
2267
700d40ca
ILT		 2268if test x${use_included_zlib} = x &&
2269 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2270 :
2271else
2272 with_system_zlib=yes
2273 extra_host_args="$extra_host_args --with-system-zlib"
2274fi
2275
2429c060
PB		 2276# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2277# can detect this case.
2278
2279if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2280 with_newlib=yes
2281 extra_host_args="$extra_host_args --with-newlib"
2282fi
2283
9e07f89d
NN		 2284# Handle ${copy_dirs}
2285set fnord ${copy_dirs}
2286shift
2287while test $# != 0 ; do
2288 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2289 :
2290 else
2291 echo Copying $1 to $2
2292
2293 # Use the install script to create the directory and all required
2294 # parent directories.
2295 if test -d $2 ; then
2296 :
2297 else
2298 echo >config.temp
2299 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2300 fi
2301
2302 # Copy the directory, assuming we have tar.
2303 # FIXME: Should we use B in the second tar? Not all systems support it.
2304 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2305
2306 # It is the responsibility of the user to correctly adjust all
2307 # symlinks. If somebody can figure out how to handle them correctly
2308 # here, feel free to add the code.
2309
2310 echo $1 > $2/COPIED
2311 fi
2312 shift; shift
2313done
2314
2429c060
PB		 2315# Determine a target-dependent exec_prefix that the installed
2316# gcc will search in. Keep this list sorted by triplet, with
2317# the *-*-osname triplets last.
2318md_exec_prefix=
2319case "${target}" in
521ec477 2320 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2321 md_exec_prefix=/dev/env/DJDIR/bin
2322 ;;
2429c060 2323 *-*-hpux* | \
2429c060 2324 *-*-nto-qnx* | \
1f111696 2325 *-*-solaris2*)
2429c060
PB		 2326 md_exec_prefix=/usr/ccs/bin
2327 ;;
2328esac
2329
874e38b4
NN		 2330extra_arflags_for_target=
2331extra_nmflags_for_target=
1086bc09 2332extra_ranlibflags_for_target=
a0da8069 2333target_makefile_frag=/dev/null
f48556b1 2334case "${target}" in
77d7106f
AM		 2335 spu-*-*)
2336 target_makefile_frag="config/mt-spu"
2337 ;;
d09bbf00 2338 mips*-sde-elf* | mips*-mti-elf*)
429acdec
RS		 2339 target_makefile_frag="config/mt-sde"
2340 ;;
f3b1e08e
RS		 2341 mipsisa*-*-elfoabi*)
2342 target_makefile_frag="config/mt-mips-elfoabi"
2343 ;;
e7c8859c
RS		 2344 mips*-*-*linux* | mips*-*-gnu*)
2345 target_makefile_frag="config/mt-mips-gnu"
2346 ;;
29383458 2347 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2348 target_makefile_frag="config/mt-gnu"
f48556b1 2349 ;;
a0da8069 2350 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2351 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2352 # commands to handle both 32-bit and 64-bit objects. These flags are
2353 # harmless if we're using GNU nm or ar.
2354 extra_arflags_for_target=" -X32_64"
2355 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2356 ;;
b6f83f2a
DD		 2357esac
2358
a0da8069 2359alphaieee_frag=/dev/null
b6f83f2a
DD		 2360case $target in
2361 alpha*-*-*)
2362 # This just makes sure to use the -mieee option to build target libs.
2363 # This should probably be set individually by each library.
2364 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2365 ;;
2366esac
a0a2c6c6 2367
f48556b1
DD		 2368# If --enable-target-optspace always use -Os instead of -O2 to build
2369# the target libraries, similarly if it is not specified, use -Os
2370# on selected platforms.
a0da8069 2371ospace_frag=/dev/null
f48556b1
DD		 2372case "${enable_target_optspace}:${target}" in
2373 yes:*)
b6f83f2a 2374 ospace_frag="config/mt-ospace"
f48556b1
DD		 2375 ;;
2376 :d30v-*)
b6f83f2a 2377 ospace_frag="config/mt-d30v"
f48556b1
DD		 2378 ;;
2379 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2380 ospace_frag="config/mt-ospace"
f48556b1
DD		 2381 ;;
2382 no:* | :*)
2383 ;;
2384 *)
2385 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2386 ;;
2387esac
252b5132 2388
a0da8069
NN		 2389# Some systems (e.g., one of the i386-aix systems the gas testers are
2390# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2391tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2392build_tooldir=${tooldir}
2393
a0da8069
NN		 2394# Create a .gdbinit file which runs the one in srcdir
2395# and tells GDB to look there for source files.
2396
2397if test -r ${srcdir}/.gdbinit ; then
2398 case ${srcdir} in
2399 .) ;;
2400 *) cat > ./.gdbinit <<EOF
2401# ${NO_EDIT}
2402dir ${srcdir}
2403dir .
2404source ${srcdir}/.gdbinit
2405EOF
2406 ;;
2407 esac
2408fi
2409
252b5132
RH		 2410# Make sure that the compiler is able to generate an executable. If it
2411# can't, we are probably in trouble. We don't care whether we can run the
2412# executable--we might be using a cross compiler--we only care whether it
2413# can be created. At this point the main configure script has set CC.
a0c4f3a0 2414we_are_ok=no
252b5132
RH		 2415echo "int main () { return 0; }" > conftest.c
2416${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2417if test $? = 0 ; then
2418 if test -s conftest || test -s conftest.exe ; then
2419 we_are_ok=yes
2420 fi
7ec59b9e 2421fi
a0c4f3a0
DD		 2422case $we_are_ok in
2423 no)
2424 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2425 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2426 rm -f conftest*
2427 exit 1
2428 ;;
2429esac
252b5132
RH		 2430rm -f conftest*
2431
3bbd2f8f 2432# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2433case "${host}" in
2434 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2435 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2436 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2437 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2438esac
8607b6c9 2439
3bbd2f8f 2440# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2441# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2442# built executables to PATH.
3bbd2f8f
AL		 2443if test "$RPATH_ENVVAR" = PATH; then
2444 GCC_SHLIB_SUBDIR=/shlib
2445else
2446 GCC_SHLIB_SUBDIR=
2447fi
2448
3866be5d
NN		 2449# Record target_configdirs and the configure arguments for target and
2450# build configuration in Makefile.
2451target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2452build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2453
2aa2364a
JR		 2454# If we are building libgomp, bootstrap it.
2455if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2456 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2457fi
2458
5eb08693
L		 2459# If we are building libsanitizer, bootstrap it.
2460if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2461 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2462fi
2463
930314a4
NN		 2464# Determine whether gdb needs tk/tcl or not.
2465# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2466# and in that case we want gdb to be built without tk. Ugh!
2467# In fact I believe gdb is the *only* package directly dependent on tk,
2468# so we should be able to put the 'maybe's in unconditionally and
2469# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2470# 100% sure that that's safe though.
c180f501 2471
675c6968 2472gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2473case "$enable_gdbtk" in
2474 no)
2475 GDB_TK="" ;;
c180f501
AC		 2476 yes)
2477 GDB_TK="${gdb_tk}" ;;
930314a4 2478 *)
c180f501
AC		 2479 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2480 # distro. Eventually someone will fix this and move Insight, nee
2481 # gdbtk to a separate directory.
2482 if test -d ${srcdir}/gdb/gdbtk ; then
2483 GDB_TK="${gdb_tk}"
2484 else
2485 GDB_TK=""
2486 fi
2487 ;;
930314a4 2488esac
907be67c
DJ		 2489CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2490INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2491
6bd3dfaa 2492# Strip out unwanted targets.
dd12c3a8
NN		 2493
2494# While at that, we remove Makefiles if we were started for recursive
2495# configuration, so that the top-level Makefile reconfigures them,
2496# like we used to do when configure itself was recursive.
dd12c3a8 2497
06a51eac
RW		 2498# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2499# but now we're fixing up the Makefile ourselves with the additional
2500# commands passed to AC_CONFIG_FILES. Use separate variables
2501# extrasub-{build,host,target} not because there is any reason to split
2502# the substitutions up that way, but only to remain below the limit of
2503# 99 commands in a script, for HP-UX sed.
2504# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2505
16b1ad29
RW		 2506case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2507 yes:yes:*\ gold\ *:*,c++,*) ;;
2508 yes:yes:*\ gold\ *:*)
2509 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2510 ;;
2511esac
2512
9cb3fa6f 2513# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2514case $enable_bootstrap in
498d4a71 2515 yes)
96655cc4
AO		 2516 bootstrap_suffix=bootstrap
2517 BUILD_CONFIG=bootstrap-debug
2518 ;;
498d4a71 2519 no)
96655cc4
AO		 2520 bootstrap_suffix=no-bootstrap
2521 BUILD_CONFIG=
2522 ;;
498d4a71 2523esac
498d4a71 2524
96655cc4
AO		 2525AC_MSG_CHECKING(for default BUILD_CONFIG)
2526
2527AC_ARG_WITH([build-config],
7837304f
AS		 2528 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2529 [use config/NAME.mk build configuration])],
96655cc4
AO		 2530 [case $with_build_config in
2531 yes) with_build_config= ;;
2532 no) with_build_config= BUILD_CONFIG= ;;
2533 esac])
2534
2535if test "x${with_build_config}" != x; then
2536 BUILD_CONFIG=$with_build_config
2537else
2538 case $BUILD_CONFIG in
2539 bootstrap-debug)
2540 if echo "int f (void) { return 0; }" > conftest.c &&
2541 ${CC} -c conftest.c &&
2542 mv conftest.o conftest.o.g0 &&
2543 ${CC} -c -g conftest.c &&
2544 mv conftest.o conftest.o.g &&
a009f2e7 2545 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO		 2546 :
2547 else
2548 BUILD_CONFIG=
2549 fi
2550 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2551 ;;
2552 esac
2553fi
2554AC_MSG_RESULT($BUILD_CONFIG)
2555AC_SUBST(BUILD_CONFIG)
2556
06a51eac 2557extrasub_build=
6a9cf61e 2558for module in ${build_configdirs} ; do
dd12c3a8
NN		 2559 if test -z "${no_recursion}" \
2560 && test -f ${build_subdir}/${module}/Makefile; then
2561 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2562 rm -f ${build_subdir}/${module}/Makefile
2563 fi
06a51eac 2564 extrasub_build="$extrasub_build
6bd3dfaa 2565/^@if build-$module\$/d
498d4a71
CF		 2566/^@endif build-$module\$/d
2567/^@if build-$module-$bootstrap_suffix\$/d
2568/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2569done
06a51eac 2570extrasub_host=
dd12c3a8 2571for module in ${configdirs} ; do
80911fe1 2572 if test -z "${no_recursion}"; then
8cf39b1b 2573 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2574 if test -f ${file}; then
2575 echo 1>&2 "*** removing ${file} to force reconfigure"
2576 rm -f ${file}
2577 fi
2578 done
dd12c3a8 2579 fi
06a51eac 2580 extrasub_host="$extrasub_host
6bd3dfaa 2581/^@if $module\$/d
498d4a71
CF		 2582/^@endif $module\$/d
2583/^@if $module-$bootstrap_suffix\$/d
2584/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2585done
06a51eac 2586extrasub_target=
dd12c3a8
NN		 2587for module in ${target_configdirs} ; do
2588 if test -z "${no_recursion}" \
2589 && test -f ${target_subdir}/${module}/Makefile; then
2590 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2591 rm -f ${target_subdir}/${module}/Makefile
2592 fi
e8a5fa9c
RW		 2593
2594 # We only bootstrap target libraries listed in bootstrap_target_libs.
2595 case $bootstrap_target_libs in
2596 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2597 *) target_bootstrap_suffix=no-bootstrap ;;
2598 esac
2599
06a51eac 2600 extrasub_target="$extrasub_target
6bd3dfaa 2601/^@if target-$module\$/d
498d4a71 2602/^@endif target-$module\$/d
e8a5fa9c
RW		 2603/^@if target-$module-$target_bootstrap_suffix\$/d
2604/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2605done
319cab08 2606
06a51eac
RW		 2607# Do the final fixup along with target modules.
2608extrasub_target="$extrasub_target
6bd3dfaa 2609/^@if /,/^@endif /d"
930314a4 2610
a2cc058a
NN		 2611# Create the serialization dependencies. This uses a temporary file.
2612
e6bfb94a 2613AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2614[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2615 [force sequential configuration of
2616 sub-packages for the host, target or build
2617 machine, or all sub-packages])])
1047cb91
DD		 2618
2619case ${enable_serial_configure} in
2620 yes)
2621 enable_serial_build_configure=yes
2622 enable_serial_host_configure=yes
2623 enable_serial_target_configure=yes
2624 ;;
2625esac
e6bfb94a 2626
a2cc058a
NN		 2627# These force 'configure's to be done one at a time, to avoid problems
2628# with contention over a shared config.cache.
2629rm -f serdep.tmp
e6bfb94a 2630echo '# serdep.tmp' > serdep.tmp
a2cc058a 2631olditem=
1047cb91 2632test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2633for item in ${build_configdirs} ; do
2634 case ${olditem} in
2635 "") ;;
e6bfb94a 2636 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2637 esac
2638 olditem=${item}
2639done
2640olditem=
1047cb91 2641test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2642for item in ${configdirs} ; do
2643 case ${olditem} in
2644 "") ;;
e6bfb94a 2645 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2646 esac
2647 olditem=${item}
2648done
2649olditem=
1047cb91 2650test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2651for item in ${target_configdirs} ; do
2652 case ${olditem} in
2653 "") ;;
e6bfb94a 2654 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2655 esac
2656 olditem=${item}
2657done
a0da8069
NN		 2658serialization_dependencies=serdep.tmp
2659AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2660
e6bfb94a 2661# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2662# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2663# might not want to pass down to subconfigures. The exception being
2664# --cache-file=/dev/null, which is used to turn off the use of cache
2665# files altogether, and which should be passed on to subconfigures.
2666# Also strip program-prefix, program-suffix, and program-transform-name,
2667# so that we can pass down a consistent program-transform-name.
c6b750e1 2668baseargs=
65b4571a 2669tbaseargs=
c6b750e1
DJ		 2670keep_next=no
2671skip_next=no
2672eval "set -- $ac_configure_args"
b0aaa663
DJ		 2673for ac_arg
2674do
c6b750e1
DJ		 2675 if test X"$skip_next" = X"yes"; then
2676 skip_next=no
2677 continue
2678 fi
2679 if test X"$keep_next" = X"yes"; then
2680 case $ac_arg in
2681 *\'*)
2682 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2683 esac
2684 baseargs="$baseargs '$ac_arg'"
65b4571a 2685 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2686 keep_next=no
2687 continue
2688 fi
2689
2690 # Handle separated arguments. Based on the logic generated by
2691 # autoconf 2.59.
2692 case $ac_arg in
2693 *=* | --config-cache | -C | -disable-* | --disable-* \
2694 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2695 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2696 | -with-* | --with-* | -without-* | --without-* | --x)
2697 separate_arg=no
2698 ;;
2699 -*)
2700 separate_arg=yes
2701 ;;
2702 *)
2703 separate_arg=no
2704 ;;
2705 esac
2706
65b4571a
AO		 2707 skip_targ=no
2708 case $ac_arg in
2709changequote(,)
2710 --with-* | --without-*)
2711 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2712
2713 case $libopt in
2714 *[-_]include)
2715 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2716 ;;
2717 *[-_]lib)
2718 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2719 ;;
2720 *)
2721 lib=$libopt
2722 ;;
2723 esac
2724changequote([,])
2725
2726 case $lib in
7ec59b9e 2727 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2728 # If we're processing --with-$lib, --with-$lib-include or
2729 # --with-$lib-lib, for one of the libs above, and target is
2730 # different from host, don't pass the current argument to any
2731 # target library's configure.
2732 if test x$is_cross_compiler = xyes; then
2733 skip_targ=yes
2734 fi
2735 ;;
2736 esac
2737 ;;
2738 esac
2739
c6b750e1 2740 case "$ac_arg" in
30167e0a
NC		 2741 --cache-file=/dev/null | \
2742 -cache-file=/dev/null )
2743 # Handled here to avoid the test to skip args below.
2744 baseargs="$baseargs '$ac_arg'"
65b4571a 2745 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2746 # Assert: $separate_arg should always be no.
2747 keep_next=$separate_arg
2748 ;;
c6b750e1
DJ		 2749 --no*)
2750 continue
2751 ;;
2752 --c* | \
2753 --sr* | \
2754 --ho* | \
2755 --bu* | \
2756 --t* | \
2757 --program-* | \
2758 -cache_file* | \
2759 -srcdir* | \
2760 -host* | \
2761 -build* | \
2762 -target* | \
2763 -program-prefix* | \
2764 -program-suffix* | \
2765 -program-transform-name* )
2766 skip_next=$separate_arg
2767 continue
2768 ;;
2769 -*)
2770 # An option. Add it.
2771 case $ac_arg in
2772 *\'*)
2773 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2774 esac
2775 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2776 if test X"$skip_targ" = Xno; then
2777 tbaseargs="$tbaseargs '$ac_arg'"
2778 fi
c6b750e1
DJ		 2779 keep_next=$separate_arg
2780 ;;
2781 *)
2782 # Either a variable assignment, or a nonopt (triplet). Don't
2783 # pass it down; let the Makefile handle this.
2784 continue
2785 ;;
2786 esac
2787done
2788# Remove the initial space we just introduced and, as these will be
2789# expanded by make, quote '$'.
2790baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2791
f27d4f92
DJ		 2792# Add in --program-transform-name, after --program-prefix and
2793# --program-suffix have been applied to it. Autoconf has already
2794# doubled dollar signs and backslashes in program_transform_name; we want
2795# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2796# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2797# Also, because we want to override the logic in subdir configure scripts to
2798# choose program_transform_name, replace any s,x,x, with s,y,y,.
2799sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2800${program_transform_name}
2801EOF_SED
2802gcc_transform_name=`cat conftestsed.out`
2803rm -f conftestsed.out
2804baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2805tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2806if test "$silent" = yes; then
2807 baseargs="$baseargs --silent"
65b4571a 2808 tbaseargs="$tbaseargs --silent"
2444379b 2809fi
34a0f3cf 2810baseargs="$baseargs --disable-option-checking"
65b4571a 2811tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2812
4074d5f2
RW		 2813# Record and document user additions to sub configure arguments.
2814AC_ARG_VAR([build_configargs],
2815 [additional configure arguments for build directories])
2816AC_ARG_VAR([host_configargs],
2817 [additional configure arguments for host directories])
2818AC_ARG_VAR([target_configargs],
2819 [additional configure arguments for target directories])
2820
49b7683b
DD		 2821# For the build-side libraries, we just need to pretend we're native,
2822# and not use the same cache file. Multilibs are neither needed nor
2823# desired.
4074d5f2 2824build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2825
ae831be5
NN		 2826# For host modules, accept cache file option, or specification as blank.
2827case "${cache_file}" in
2828"") # empty
2829 cache_file_option="" ;;
a0da8069 2830/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2831 cache_file_option="--cache-file=${cache_file}" ;;
2832*) # relative path
2833 cache_file_option="--cache-file=../${cache_file}" ;;
2834esac
2835
82252c06
NN		 2836# Host dirs don't like to share a cache file either, horribly enough.
2837# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2838host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2839
65b4571a 2840target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2841
252b5132
RH		 2842# Passing a --with-cross-host argument lets the target libraries know
2843# whether they are being built with a cross-compiler or being built
2844# native. However, it would be better to use other mechanisms to make the
2845# sorts of decisions they want to make on this basis. Please consider
2846# this option to be deprecated. FIXME.
a0c4f3a0 2847if test x${is_cross_compiler} = xyes ; then
c6b750e1 2848 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2849fi
2850
938d2b74
RW		 2851# Default to --enable-multilib.
2852if test x${enable_multilib} = x ; then
a0da8069 2853 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2854fi
252b5132
RH		 2855
2856# Pass --with-newlib if appropriate. Note that target_configdirs has
2857# changed from the earlier setting of with_newlib.
a0c4f3a0 2858if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2859 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2860fi
2861
95036d20
NN		 2862# Different target subdirs use different values of certain variables
2863# (notably CXX). Worse, multilibs use *lots* of different values.
2864# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2865# it doesn't automatically accept command-line overrides of them.
2866# This means it's not safe for target subdirs to share a cache file,
2867# which is disgusting, but there you have it. Hopefully this can be
2868# fixed in future. It's still worthwhile to use a cache file for each
2869# directory. I think.
2870
ae380b45
MS		 2871# Pass the appropriate --build, --host, --target and --cache-file arguments.
2872# We need to pass --target, as newer autoconf's requires consistency
2873# for target_alias and gcc doesn't manage it consistently.
4b900473 2874target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2875
9e449d3e 2876FLAGS_FOR_TARGET=
7c1f909c 2877case " $target_configdirs " in
75205f78 2878 *" newlib "*)
a0da8069 2879 case " $target_configargs " in
75205f78 2880 *" --with-newlib "*)
9e449d3e 2881 case "$target" in
1f53ca9a 2882 *-cygwin*)
6d94c122 2883 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 2884 ;;
9e449d3e
AO		 2885 esac
2886
7450026c 2887 # If we're not building GCC, don't discard standard headers.
4d5fd396 2888 if test -d ${srcdir}/gcc; then
63266560 2889 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2890
2891 if test "${build}" != "${host}"; then
2892 # On Canadian crosses, CC_FOR_TARGET will have already been set
2893 # by `configure', so we won't have an opportunity to add -Bgcc/
2894 # to it. This is right: we don't want to search that directory
2895 # for binaries, but we want the header files in there, so add
2896 # them explicitly.
e552509b 2897 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2898
2899 # Someone might think of using the pre-installed headers on
2900 # Canadian crosses, in case the installed compiler is not fully
2901 # compatible with the compiler being built. In this case, it
2902 # would be better to flag an error than risking having
2903 # incompatible object files being constructed. We can't
2904 # guarantee that an error will be flagged, but let's hope the
2905 # compiler will do it, when presented with incompatible header
2906 # files.
2907 fi
63266560
DD		 2908 fi
2909
0a0d0041 2910 case "${target}-${is_cross_compiler}" in
ec11bdc6 2911 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2912 # Here host == target, so we don't need to build gcc,
2913 # so we don't want to discard standard headers.
2914 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2915 ;;
2916 *)
2917 # If we're building newlib, use its generic headers last, but search
2918 # for any libc-related directories first (so make it the last -B
2919 # switch).
2920 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 2921
2922 # If we're building libgloss, find the startup file, simulator library
2923 # and linker script.
2924 case " $target_configdirs " in
2925 *" libgloss "*)
2926 # Look for startup file, simulator library and maybe linker script.
2927 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2928 # Look for libnosys.a in case the target needs it.
2929 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2930 # Most targets have the linker script in the source directory.
2931 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2932 ;;
2933 esac
0a0d0041
TF		 2934 ;;
2935 esac
9e449d3e 2936 ;;
75205f78
DD		 2937 esac
2938 ;;
9e449d3e 2939esac
1f53ca9a 2940
45055374 2941case "$target" in
1f53ca9a
AO		 2942 x86_64-*mingw* | *-w64-mingw*)
2943 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2944 # however, use a symlink named 'mingw' in ${prefix} .
2945 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2946 ;;
2947 *-mingw*)
2948 # MinGW can't be handled as Cygwin above since it does not use newlib.
2949 FLAGS_FOR_TARGET=$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'
2950 ;;
45055374 2951esac
63266560 2952
5fbad20a
DD		 2953# Allow the user to override the flags for
2954# our build compiler if desired.
c66487f8
NC		 2955if test x"${build}" = x"${host}" ; then
2956 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2957 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2958 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2959fi
5fbad20a 2960
63266560
DD		 2961# On Canadian crosses, we'll be searching the right directories for
2962# the previously-installed cross compiler, so don't bother to add
2963# flags for directories within the install tree of the compiler
2964# being built; programs in there won't even run.
4d5fd396 2965if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2966 # Search for pre-installed headers if nothing else fits.
bba45b8b 2967 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2968fi
63266560 2969
7c1f909c 2970if test "x${use_gnu_ld}" = x &&
f48556b1 2971 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 2972 # Arrange for us to find uninstalled linker scripts.
b00612cc 2973 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 2974fi
2975
a481dbb7
DD		 2976# Search for other target-specific linker scripts and such.
2977case "${target}" in
4e206d7e
DB		 2978 mep*)
2979 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2980 ;;
2981esac
2982
a0da8069 2983# Makefile fragments.
3e707e94
PB		 2984for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2985do
2986 eval fragval=\$$frag
2987 if test $fragval != /dev/null; then
2988 eval $frag=${srcdir}/$fragval
2989 fi
2990done
a0da8069
NN		 2991AC_SUBST_FILE(host_makefile_frag)
2992AC_SUBST_FILE(target_makefile_frag)
2993AC_SUBST_FILE(alphaieee_frag)
2994AC_SUBST_FILE(ospace_frag)
2995
2996# Miscellanea: directories, flags, etc.
a0da8069 2997AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 2998AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 2999AC_SUBST(tooldir)
3000AC_SUBST(build_tooldir)
907be67c 3001AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3002AC_SUBST(GDB_TK)
907be67c 3003AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3004
3005# Build module lists & subconfigure args.
a0da8069 3006AC_SUBST(build_configargs)
6a9cf61e 3007AC_SUBST(build_configdirs)
a0da8069
NN		 3008
3009# Host module lists & subconfigure args.
3010AC_SUBST(host_configargs)
3011AC_SUBST(configdirs)
911e63d0 3012AC_SUBST(target_configdirs)
a0da8069
NN		 3013
3014# Target module lists & subconfigure args.
a0da8069 3015AC_SUBST(target_configargs)
a6df5a19 3016
a0da8069
NN		 3017
3018# Build tools.
b5714970
PB		 3019AC_SUBST(AR_FOR_BUILD)
3020AC_SUBST(AS_FOR_BUILD)
a0da8069 3021AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3022AC_SUBST(CFLAGS_FOR_BUILD)
3023AC_SUBST(CXXFLAGS_FOR_BUILD)
3024AC_SUBST(CXX_FOR_BUILD)
3025AC_SUBST(DLLTOOL_FOR_BUILD)
3026AC_SUBST(GCJ_FOR_BUILD)
3027AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3028AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3029AC_SUBST(LDFLAGS_FOR_BUILD)
3030AC_SUBST(LD_FOR_BUILD)
3031AC_SUBST(NM_FOR_BUILD)
3032AC_SUBST(RANLIB_FOR_BUILD)
3033AC_SUBST(WINDMC_FOR_BUILD)
3034AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3035
be01d343
PB		 3036# Generate default definitions for YACC, M4, LEX and other programs that run
3037# on the build machine. These are used if the Makefile can't locate these
3038# programs in objdir.
3039MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3040
3041AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3042case " $build_configdirs " in
3043 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3044esac
3045
3046AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3047case " $build_configdirs " in
3048 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3049esac
3050
3051AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3052case " $build_configdirs " in
3053 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3054esac
3055
3056AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3057case " $build_configdirs " in
3058 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3059 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3060esac
3061
3062AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3063case " $build_configdirs " in
3064 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3065esac
3066
3067AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3068case " $build_configdirs " in
3069 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3070 *)
3071changequote(,)
10ad8ef3 3072 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3073 # higher, else we use the "missing" dummy.
3074 if ${MAKEINFO} --version \
10ad8ef3 3075 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3076 :
3077 else
3078 MAKEINFO="$MISSING makeinfo"
3079 fi
3080 ;;
3081changequote([,])
3082esac
3083
3084# FIXME: expect and dejagnu may become build tools?
3085
3086AC_CHECK_PROGS(EXPECT, expect, expect)
3087case " $configdirs " in
3088 *" expect "*)
3089 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3090 ;;
3091esac
3092
3093AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3094case " $configdirs " in
3095 *" dejagnu "*)
6b89cc21 3096 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3097 ;;
3098esac
3099
3100
a0da8069 3101# Host tools.
05cbd757
PB		 3102NCN_STRICT_CHECK_TOOLS(AR, ar)
3103NCN_STRICT_CHECK_TOOLS(AS, as)
3104NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3105NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3106NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3107NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3108NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3109NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3110NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3111NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3112NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3113NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3114NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3115AC_SUBST(CC)
3116AC_SUBST(CXX)
3117AC_SUBST(CFLAGS)
3118AC_SUBST(CXXFLAGS)
a0da8069 3119
be01d343 3120# Target tools.
7ec59b9e 3121AC_ARG_WITH([build-time-tools],
7837304f
AS		 3122 [AS_HELP_STRING([--with-build-time-tools=PATH],
3123 [use given path to find target tools during the build])],
2429c060
PB		 3124 [case x"$withval" in
3125 x/*) ;;
3126 *)
3127 with_build_time_tools=
3128 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3129 ;;
3130 esac],
3131 [with_build_time_tools=])
3132
05cbd757
PB		 3133NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3134NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3135NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3136NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3137NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3138NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3139
3140ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3141ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3142ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3143ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3144ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3145ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3146ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3147ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3148ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3149ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3150ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3151ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3152
be01d343
PB		 3153RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3154
3155GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3156GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3157GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3158dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3159GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
d2489204 3160 [gcc/xg++ -B$$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],
be01d343
PB		 3161 c++)
3162GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3163 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3164 c++)
3165GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3166GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3167GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3168 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3169GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3170 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3171GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3172 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3173GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3174GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3175GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3176GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3177GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3178GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3179GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3180GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3181GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3182
be01d343 3183AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3184AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3185
a0da8069
NN		 3186# Certain tools may need extra flags.
3187AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3188RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3189NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3190
be01d343
PB		 3191# When building target libraries, except in a Canadian cross, we use
3192# the same toolchain as the compiler we just built.
3193COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3194COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3195COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3196if test $host = $build; then
3197 case " $configdirs " in
3198 *" gcc "*)
3199 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3200 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3201 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3202 ;;
3203 esac
3204fi
3205
3206AC_SUBST(COMPILER_AS_FOR_TARGET)
3207AC_SUBST(COMPILER_LD_FOR_TARGET)
3208AC_SUBST(COMPILER_NM_FOR_TARGET)
3209
6b784d9f
AO		 3210AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3211AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3212[AS_HELP_STRING([--enable-maintainer-mode],
3213 [enable make rules and dependencies not useful
3214 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3215 USE_MAINTAINER_MODE=$enableval,
3216 USE_MAINTAINER_MODE=no)
3217AC_MSG_RESULT($USE_MAINTAINER_MODE)
3218AC_SUBST(MAINTAINER_MODE_TRUE)
3219AC_SUBST(MAINTAINER_MODE_FALSE)
3220if test "$USE_MAINTAINER_MODE" = yes; then
3221 MAINTAINER_MODE_TRUE=
3222 MAINTAINER_MODE_FALSE='#'
3223else
3224 MAINTAINER_MODE_TRUE='#'
3225 MAINTAINER_MODE_FALSE=
7ec59b9e 3226fi
6b784d9f
AO		 3227MAINT=$MAINTAINER_MODE_TRUE
3228AC_SUBST(MAINT)dnl
3229
1d39f329
NN		 3230# ---------------------
3231# GCC bootstrap support
3232# ---------------------
3233
3234# Stage specific cflags for build.
3235stage1_cflags="-g"
3236case $build in
3237 vax-*-*)
3238 case ${GCC} in
3239 yes) stage1_cflags="-g -Wa,-J" ;;
3240 *) stage1_cflags="-g -J" ;;
3241 esac ;;
1d39f329 3242esac
1d89b610 3243
1d39f329
NN		 3244AC_SUBST(stage1_cflags)
3245
8a0d8a5c
PB		 3246# Enable --enable-checking in stage1 of the compiler.
3247AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3248[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3249 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3250[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3251[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3252 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3253else
5566c1fa 3254 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3255fi])
3256AC_SUBST(stage1_checking)
3257
1d39f329 3258# Enable -Werror in bootstrap stage2 and later.
1d39f329 3259AC_ARG_ENABLE(werror,
7837304f
AS		 3260[AS_HELP_STRING([--enable-werror],
3261 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3262[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3263 enable_werror=yes
3264else
3265 enable_werror=no
3266fi])
1a6f2dc7
NN		 3267case ${enable_werror} in
3268 yes) stage2_werror_flag="--enable-werror-always" ;;
3269 *) stage2_werror_flag="" ;;
1d39f329 3270esac
1a6f2dc7 3271AC_SUBST(stage2_werror_flag)
1d39f329 3272
e8a5fa9c
RW		 3273# Specify what files to not compare during bootstrap.
3274
3275compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3276case "$target" in
3277 hppa*64*-*-hpux*) ;;
3278 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3279 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3280esac
3281AC_SUBST(compare_exclusions)
3282
06a51eac
RW		 3283AC_CONFIG_FILES([Makefile],
3284 [sed "$extrasub_build" Makefile |
3285 sed "$extrasub_host" |
3286 sed "$extrasub_target" > mf$$
3287 mv -f mf$$ Makefile],
3288 [extrasub_build="$extrasub_build"
3289 extrasub_host="$extrasub_host"
3290 extrasub_target="$extrasub_target"])
3291AC_OUTPUT
GDB Binutils - Deliverables
This page took 0.989442 seconds and 4 git commands to generate.