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Sync isl.m4 with GCC tree
[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 \
522e3d71 159 target-libcilkrts \
7ec59b9e 160 target-libatomic \
d32e2926 161 target-libitm \
b9459e83 162 target-libstdc++-v3 \
5286fdef 163 target-libsanitizer \
95e43135 164 target-libvtv \
bb780410 165 target-libssp \
e552509b 166 target-libquadmath \
4b1cb4fe 167 target-libgfortran \
4f0ef2d8 168 target-boehm-gc \
83326456 169 ${libgcj} \
a2592b1b 170 target-libobjc \
e552509b
ILT		 171 target-libada \
172 target-libgo"
252b5132 173
9c14acb8
NN		 174# these tools are built using the target libraries, and are intended to
175# run only in the target environment
252b5132 176#
9c14acb8 177# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 178# list belongs in this list.
252b5132 179#
a90ef4bf 180target_tools="target-rda"
252b5132
RH		 181
182################################################################################
183
252b5132
RH		 184## All tools belong in one of the four categories, and are assigned above
185## We assign ${configdirs} this way to remove all embedded newlines. This
186## is important because configure will choke if they ever get through.
187## ${configdirs} is directories we build using the host tools.
188## ${target_configdirs} is directories we build using the target tools.
252b5132 189configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 190target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 191build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 192
9cc8ae67 193m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 194[case $srcdir in
195 *" "*)
196m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198m4_popdef([AS_MESSAGE_LOG_FD])dnl
199 ;;
200esac
201ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 202])
203
252b5132
RH		 204################################################################################
205
252b5132
RH		 206srcname="gnu development package"
207
208# This gets set non-empty for some net releases of packages.
209appdirs=""
210
c712250a
DD		 211# Define is_cross_compiler to save on calls to 'test'.
212is_cross_compiler=
213if test x"${host}" = x"${target}" ; then
214 is_cross_compiler=no
215else
216 is_cross_compiler=yes
7ec59b9e 217fi
c712250a 218
9175bfc0 219# Find the build and target subdir names.
dd12c3a8 220GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 221# Be sure to cover against remnants of an in-tree build.
222if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224Use a pristine source tree when building in a separate tree])
225fi
252b5132 226
f48556b1
DD		 227# Skipdirs are removed silently.
228skipdirs=
229# Noconfigdirs are removed loudly.
230noconfigdirs=""
252b5132 231
f48556b1
DD		 232use_gnu_ld=
233# Make sure we don't let GNU ld be added if we didn't want it.
234if test x$with_gnu_ld = xno ; then
235 use_gnu_ld=no
93f9b408 236 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 237fi
238
f48556b1
DD		 239use_gnu_as=
240# Make sure we don't let GNU as be added if we didn't want it.
241if test x$with_gnu_as = xno ; then
242 use_gnu_as=no
243 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 244fi
245
700d40ca
ILT		 246use_included_zlib=
247# Make sure we don't let ZLIB be added if we didn't want it.
248if test x$with_system_zlib = xyes ; then
249 use_included_zlib=no
250 noconfigdirs="$noconfigdirs zlib"
251fi
252
7ec59b9e 253# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 254# it's not even worth trying to configure, much less build, that tool.
252b5132 255
f48556b1
DD		 256case ${with_x} in
257 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 258 no)
675c6968 259 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 260 # We won't be able to build gdbtk without X.
7ec59b9e 261 enable_gdbtk=no
ff0a3bf8 262 ;;
f48556b1
DD		 263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264esac
252b5132 265
0377a422 266# Some are only suitable for cross toolchains.
405ea7a0
NN		 267# Remove these if host=target.
268cross_only="target-libgloss target-newlib target-opcodes"
252b5132 269
f48556b1
DD		 270case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 272esac
252b5132 273
a32d391c
DD		 274# If both --with-headers and --with-libs are specified, default to
275# --without-newlib.
32be62b5
RS		 276if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 278 if test x"${with_newlib}" = x ; then
279 with_newlib=no
280 fi
281fi
282
283# Recognize --with-newlib/--without-newlib.
284case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287esac
288
c7791212
NC		 289# Handle --enable-gold, --enable-ld.
290# --disable-gold [--enable-ld]
291# Build only ld. Default option.
d3b50760
L		 292# --enable-gold [--enable-ld]
293# Build both gold and ld. Install gold as "ld.gold", install ld
294# as "ld.bfd" and "ld".
295# --enable-gold=default [--enable-ld]
c7791212
NC		 296# Build both gold and ld. Install gold as "ld.gold" and "ld",
297# install ld as "ld.bfd".
298# --enable-gold[=default] --disable-ld
299# Build only gold, which is then installed as both "ld.gold" and "ld".
300# --enable-gold --enable-ld=default
d3b50760
L		 301# Build both gold (installed as "ld.gold") and ld (installed as "ld"
302# and ld.bfd).
c7791212
NC		 303# In other words, ld is default
304# --enable-gold=default --enable-ld=default
305# Error.
306
307default_ld=
93f9b408 308AC_ARG_ENABLE(gold,
7837304f
AS		 309[AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 311ENABLE_GOLD=$enableval,
312ENABLE_GOLD=no)
c7791212
NC		 313case "${ENABLE_GOLD}" in
314 yes|default)
e6de499b
NC		 315 # Check for ELF target.
316 is_elf=no
317 case "${target}" in
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
2bda3143 321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 322 case "${target}" in
323 *-*-linux*aout* | *-*-linux*oldld*)
324 ;;
325 *)
326 is_elf=yes
327 ;;
328 esac
329 esac
330
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
93f9b408 333 case "${target}" in
6d26190c
JY		 334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
335 | aarch64*-*-* | tilegx*-*-*)
c7791212
NC		 336 configdirs="$configdirs gold"
337 if test x${ENABLE_GOLD} = xdefault; then
338 default_ld=gold
339 fi
e6de499b 340 ENABLE_GOLD=yes
93f9b408
ILT		 341 ;;
342 esac
e6de499b
NC		 343 fi
344 ;;
345 no)
346 ;;
347 *)
348 AC_MSG_ERROR([invalid --enable-gold argument])
349 ;;
c7791212
NC		 350esac
351
352AC_ARG_ENABLE(ld,
7837304f
AS		 353[AS_HELP_STRING([[--enable-ld[=ARG]]],
354 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 355ENABLE_LD=$enableval,
356ENABLE_LD=yes)
357
358case "${ENABLE_LD}" in
359 default)
d3b50760 360 if test x${default_ld} != x; then
c7791212
NC		 361 AC_MSG_ERROR([either gold or ld can be the default ld])
362 fi
363 ;;
364 yes)
365 ;;
366 no)
367 if test x${ENABLE_GOLD} != xyes; then
368 AC_MSG_WARN([neither ld nor gold are enabled])
369 fi
370 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
371 ;;
372 *)
373 AC_MSG_ERROR([invalid --enable-ld argument])
374 ;;
375esac
93f9b408 376
252b5132
RH		 377# Configure extra directories which are host specific
378
379case "${host}" in
f48556b1 380 *-cygwin*)
3866be5d 381 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 382esac
383
59f7ec45
HPN		 384# A target can indicate whether a language isn't supported for some reason.
385# Only spaces may be used in this macro; not newlines or tabs.
386unsupported_languages=
387
7ec59b9e 388# Remove more programs from consideration, based on the host or
252b5132
RH		 389# target this usually means that a port of the program doesn't
390# exist yet.
391
252b5132 392case "${host}" in
3516a403 393 i[[3456789]]86-*-msdosdjgpp*)
6a608608 394 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 395 ;;
252b5132
RH		 396esac
397
4b1cb4fe 398
89a1e9c3
PB		 399AC_ARG_ENABLE(libquadmath,
400AS_HELP_STRING([--disable-libquadmath],
401 [do not build libquadmath directory]),
402ENABLE_LIBQUADMATH=$enableval,
403ENABLE_LIBQUADMATH=yes)
404if test "${ENABLE_LIBQUADMATH}" = "no" ; then
405 noconfigdirs="$noconfigdirs target-libquadmath"
406fi
407
408
409AC_ARG_ENABLE(libquadmath-support,
410AS_HELP_STRING([--disable-libquadmath-support],
411 [disable libquadmath support for Fortran]),
412ENABLE_LIBQUADMATH_SUPPORT=$enableval,
413ENABLE_LIBQUADMATH_SUPPORT=yes)
414enable_libquadmath_support=
415if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
416 enable_libquadmath_support=no
417fi
418
419
a2592b1b 420AC_ARG_ENABLE(libada,
7837304f 421[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 422ENABLE_LIBADA=$enableval,
423ENABLE_LIBADA=yes)
424if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 425 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 426fi
427
5f128533 428AC_ARG_ENABLE(libssp,
7837304f 429[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 430ENABLE_LIBSSP=$enableval,
431ENABLE_LIBSSP=yes)
5f128533 432
f66a9a70
L		 433AC_ARG_ENABLE(libstdcxx,
434AS_HELP_STRING([--disable-libstdcxx],
435 [do not build libstdc++-v3 directory]),
436ENABLE_LIBSTDCXX=$enableval,
437ENABLE_LIBSTDCXX=default)
438[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
439 noconfigdirs="$noconfigdirs libstdc++-v3"
440fi]
441
96111c10
AO		 442# Save it here so that, even in case of --enable-libgcj, if the Java
443# front-end isn't enabled, we still get libgcj disabled.
444libgcj_saved=$libgcj
445case $enable_libgcj in
446yes)
447 # If we reset it here, it won't get added to noconfigdirs in the
448 # target-specific build rules, so it will be forcibly enabled
449 # (unless the Java language itself isn't enabled).
450 libgcj=
451 ;;
452no)
453 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 454 # Don't disable libffi, though, other languages use it.
455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 456 # Clear libgcj_saved so that even if java is enabled libffi won't be
457 # built.
458 libgcj_saved=
96111c10
AO		 459 ;;
460esac
461
ffdd6afc
ILT		 462AC_ARG_ENABLE(static-libjava,
463[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
464 [build static libjava @<:@default=no@:>@])],
465ENABLE_STATIC_LIBJAVA=$enableval,
466ENABLE_STATIC_LIBJAVA=no)
467enable_static_libjava=
468if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
469 enable_static_libjava=yes
470fi
471
472if test x$enable_static_libjava != xyes ; then
473 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
474fi
475AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 476
a6df5a19
PB		 477# Disable libgomp on non POSIX hosted systems.
478if test x$enable_libgomp = x ; then
b3ded179
PB		 479 # Enable libgomp by default on hosted POSIX systems.
480 case "${target}" in
29383458 481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 482 ;;
5b806d27 483 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 484 ;;
2479f722 485 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 486 ;;
487 *-*-darwin* | *-*-aix*)
488 ;;
489 *)
490 noconfigdirs="$noconfigdirs target-libgomp"
491 ;;
492 esac
a6df5a19 493fi
b3ded179 494
7ec59b9e
L		 495# Disable libatomic on unsupported systems.
496if test -d ${srcdir}/libatomic; then
497 if test x$enable_libatomic = x; then
498 AC_MSG_CHECKING([for libatomic support])
499 if (srcdir=${srcdir}/libatomic; \
500 . ${srcdir}/configure.tgt; \
501 test -n "$UNSUPPORTED")
502 then
503 AC_MSG_RESULT([no])
504 noconfigdirs="$noconfigdirs target-libatomic"
505 else
506 AC_MSG_RESULT([yes])
507 fi
508 fi
509fi
510
522e3d71 511# Disable libcilkrts on unsupported systems.
512if test -d ${srcdir}/libcilkrts; then
513 if test x$enable_libcilkrts = x; then
514 AC_MSG_CHECKING([for libcilkrts support])
515 if (srcdir=${srcdir}/libcilkrts; \
516 . ${srcdir}/configure.tgt; \
517 test -n "$UNSUPPORTED")
518 then
519 AC_MSG_RESULT([no])
520 noconfigdirs="$noconfigdirs target-libcilkrts"
521 else
522 AC_MSG_RESULT([yes])
523 fi
524 fi
525fi
526
d32e2926
RH		 527# Disable libitm on unsupported systems.
528if test -d ${srcdir}/libitm; then
529 if test x$enable_libitm = x; then
530 AC_MSG_CHECKING([for libitm support])
531 if (srcdir=${srcdir}/libitm; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
534 then
535 AC_MSG_RESULT([no])
536 noconfigdirs="$noconfigdirs target-libitm"
537 else
538 AC_MSG_RESULT([yes])
539 fi
540 fi
541fi
542
5286fdef
L		 543# Disable libsanitizer on unsupported systems.
544if test -d ${srcdir}/libsanitizer; then
545 if test x$enable_libsanitizer = x; then
546 AC_MSG_CHECKING([for libsanitizer support])
547 if (srcdir=${srcdir}/libsanitizer; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
550 then
551 AC_MSG_RESULT([no])
552 noconfigdirs="$noconfigdirs target-libsanitizer"
553 else
554 AC_MSG_RESULT([yes])
555 fi
556 fi
557fi
558
95e43135
JBG		 559# Disable libvtv on unsupported systems.
560if test -d ${srcdir}/libvtv; then
561 if test x$enable_libvtv = x; then
562 AC_MSG_CHECKING([for libvtv support])
563 if (srcdir=${srcdir}/libvtv; \
564 . ${srcdir}/configure.tgt; \
565 test "$VTV_SUPPORTED" != "yes")
566 then
567 AC_MSG_RESULT([no])
568 noconfigdirs="$noconfigdirs target-libvtv"
569 else
570 AC_MSG_RESULT([yes])
571 fi
572 fi
573fi
574
1488e230
DE		 575# Disable libquadmath for some systems.
576case "${target}" in
5286fdef
L		 577 avr-*-*)
578 noconfigdirs="$noconfigdirs target-libquadmath"
579 ;;
1488e230
DE		 580 # libquadmath is unused on AIX and libquadmath build process use of
581 # LD_LIBRARY_PATH can break AIX bootstrap.
582 powerpc-*-aix* | rs6000-*-aix*)
583 noconfigdirs="$noconfigdirs target-libquadmath"
584 ;;
585esac
586
065a5627
JM		 587# Disable libssp for some systems.
588case "${target}" in
589 avr-*-*)
c5f5c3c2 590 # No hosted I/O support.
065a5627
JM		 591 noconfigdirs="$noconfigdirs target-libssp"
592 ;;
593 powerpc-*-aix* | rs6000-*-aix*)
594 noconfigdirs="$noconfigdirs target-libssp"
595 ;;
99c513f6 596 rl78-*-*)
202e2356
NC		 597 # libssp uses a misaligned load to trigger a fault, but the RL78
598 # doesn't fault for those - instead, it gives a build-time error
599 # for explicit misaligned loads.
99c513f6
DD		 600 noconfigdirs="$noconfigdirs target-libssp"
601 ;;
065a5627
JM		 602esac
603
065a5627 604# Disable libstdc++-v3 for some systems.
f66a9a70
L		 605# Allow user to override this if they pass --enable-libstdc++-v3
606if test "${ENABLE_LIBSTDCXX}" = "default" ; then
607 case "${target}" in
608 *-*-vxworks*)
609 # VxWorks uses the Dinkumware C++ library.
610 noconfigdirs="$noconfigdirs target-libstdc++-v3"
611 ;;
612 arm*-wince-pe*)
613 # the C++ libraries don't build on top of CE's C libraries
614 noconfigdirs="$noconfigdirs target-libstdc++-v3"
615 ;;
616 avr-*-*)
617 noconfigdirs="$noconfigdirs target-libstdc++-v3"
618 ;;
619 esac
620fi
065a5627
JM		 621
622# Disable Fortran for some systems.
623case "${target}" in
624 mmix-*-*)
625 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
626 unsupported_languages="$unsupported_languages fortran"
627 ;;
628esac
629
0827f9a6 630# Disable Java if libffi is not supported.
9863d716 631case "${target}" in
e7d5abf1
JBG		 632 aarch64-*-*)
633 ;;
0827f9a6
JM		 634 alpha*-*-*)
635 ;;
636 arm*-*-*)
637 ;;
638 cris-*-*)
639 ;;
640 frv-*-*)
641 ;;
642 hppa*-*-linux*)
643 ;;
644 hppa*-*-hpux*)
645 ;;
646 i?86-*-*)
647 ;;
648 ia64*-*-*)
649 ;;
650 m32r*-*-*)
651 ;;
652 m68k-*-*)
653 ;;
2479f722 654 mips*-*-rtems*)
0827f9a6
JM		 655 ;;
656 mips*-*-linux*)
657 ;;
658 powerpc*-*-linux*)
659 ;;
660 powerpc-*-darwin*)
661 ;;
662 powerpc-*-aix* | rs6000-*-aix*)
663 ;;
664 powerpc-*-freebsd*)
665 ;;
666 powerpc64-*-freebsd*)
667 ;;
668 powerpc*-*-rtems*)
9863d716 669 ;;
0827f9a6
JM		 670 s390-*-* | s390x-*-*)
671 ;;
672 sh-*-* | sh[[34]]*-*-*)
673 ;;
674 sh64-*-* | sh5*-*-*)
675 ;;
676 sparc*-*-*)
677 ;;
678 x86_64-*-*)
679 ;;
680 *-*-*)
681 unsupported_languages="$unsupported_languages java"
682 ;;
683esac
684
685# Disable Java, libgcj or related libraries for some systems.
686case "${target}" in
9863d716
JM		 687 powerpc-*-darwin*)
688 ;;
689 i[[3456789]]86-*-darwin*)
690 ;;
691 x86_64-*-darwin[[912]]*)
692 ;;
693 *-*-darwin*)
694 noconfigdirs="$noconfigdirs ${libgcj}"
695 ;;
9863d716
JM		 696 *-*-netware*)
697 noconfigdirs="$noconfigdirs ${libgcj}"
698 ;;
699 *-*-rtems*)
700 noconfigdirs="$noconfigdirs ${libgcj}"
701 ;;
702 *-*-tpf*)
703 noconfigdirs="$noconfigdirs ${libgcj}"
704 ;;
705 *-*-uclinux*)
706 noconfigdirs="$noconfigdirs ${libgcj}"
707 ;;
708 *-*-vxworks*)
709 noconfigdirs="$noconfigdirs ${libgcj}"
710 ;;
9863d716
JM		 711 alpha*-*-*vms*)
712 noconfigdirs="$noconfigdirs ${libgcj}"
713 ;;
0827f9a6 714 arm-wince-pe)
9863d716
JM		 715 noconfigdirs="$noconfigdirs ${libgcj}"
716 ;;
9863d716
JM		 717 arm*-*-symbianelf*)
718 noconfigdirs="$noconfigdirs ${libgcj}"
719 ;;
9863d716 720 bfin-*-*)
9863d716
JM		 721 noconfigdirs="$noconfigdirs target-boehm-gc"
722 ;;
9863d716
JM		 723 cris-*-* | crisv32-*-*)
724 unsupported_languages="$unsupported_languages java"
725 case "${target}" in
726 *-*-linux*)
727 ;;
728 *) # See PR46792 regarding target-libffi.
729 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
730 esac
731 ;;
9863d716
JM		 732 hppa*64*-*-linux*)
733 # In this case, it's because the hppa64-linux target is for
734 # the kernel only at this point and has no libc, and thus no
735 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 736 unsupported_languages="$unsupported_languages java"
9863d716 737 ;;
82ae827f 738 hppa*64*-*-hpux*)
9863d716
JM		 739 noconfigdirs="$noconfigdirs ${libgcj}"
740 ;;
741 hppa*-hp-hpux11*)
742 ;;
82ae827f 743 hppa*-*-hpux*)
9863d716
JM		 744 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
745 # build on HP-UX 10.20.
746 noconfigdirs="$noconfigdirs ${libgcj}"
747 ;;
9863d716
JM		 748 ia64*-*-*vms*)
749 noconfigdirs="$noconfigdirs ${libgcj}"
750 ;;
9863d716
JM		 751 i[[3456789]]86-w64-mingw*)
752 noconfigdirs="$noconfigdirs ${libgcj}"
753 ;;
754 i[[3456789]]86-*-mingw*)
755 noconfigdirs="$noconfigdirs ${libgcj}"
756 ;;
757 x86_64-*-mingw*)
758 noconfigdirs="$noconfigdirs ${libgcj}"
759 ;;
9863d716
JM		 760 mmix-*-*)
761 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 762 ;;
763 powerpc-*-aix*)
764 # copied from rs6000-*-* entry
765 noconfigdirs="$noconfigdirs ${libgcj}"
766 ;;
9863d716
JM		 767 rs6000-*-aix*)
768 noconfigdirs="$noconfigdirs ${libgcj}"
769 ;;
3f8107ab
AM		 770 ft32-*-*)
771 noconfigdirs="$noconfigdirs ${libgcj}"
772 ;;
9863d716
JM		 773 *-*-lynxos*)
774 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 775 ;;
9863d716
JM		 776esac
777
a413f71a
ILT		 778# Disable libgo for some systems where it is known to not work.
779# For testing, you can easily override this with --enable-libgo.
780if test x$enable_libgo = x; then
781 case "${target}" in
782 *-*-darwin*)
783 # PR 46986
784 noconfigdirs="$noconfigdirs target-libgo"
785 ;;
786 *-*-cygwin* | *-*-mingw*)
787 noconfigdirs="$noconfigdirs target-libgo"
788 ;;
789 *-*-aix*)
790 noconfigdirs="$noconfigdirs target-libgo"
791 ;;
792 esac
793fi
794
691bb5a1
DD		 795# Default libgloss CPU subdirectory.
796libgloss_dir="$target_cpu"
4b1cb4fe 797
ff46fb8f
JM		 798case "${target}" in
799 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
800 libgloss_dir=wince
801 ;;
f1dd87fc
YZ		 802 aarch64*-*-* )
803 libgloss_dir=aarch64
804 ;;
ff46fb8f
JM		 805 arm*-*-*)
806 libgloss_dir=arm
807 ;;
808 cris-*-* | crisv32-*-*)
809 libgloss_dir=cris
810 ;;
811 hppa*-*-*)
812 libgloss_dir=pa
813 ;;
814 i[[3456789]]86-*-*)
815 libgloss_dir=i386
816 ;;
817 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
818 libgloss_dir=m68hc11
819 ;;
820 m68*-*-* | fido-*-*)
821 libgloss_dir=m68k
822 ;;
823 mips*-*-*)
824 libgloss_dir=mips
825 ;;
826 powerpc*-*-*)
827 libgloss_dir=rs6000
828 ;;
829 sparc*-*-*)
830 libgloss_dir=sparc
831 ;;
832esac
833
c7e4b184 834# Disable newlib and libgloss for various target OSes.
252b5132 835case "${target}" in
c7e4b184
JM		 836 alpha*-dec-osf*)
837 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
838 ;;
839 i[[3456789]]86-*-linux*)
840 # This section makes it possible to build newlib natively on linux.
841 # If we are using a cross compiler then don't configure newlib.
842 if test x${is_cross_compiler} != xno ; then
843 noconfigdirs="$noconfigdirs target-newlib"
844 fi
845 noconfigdirs="$noconfigdirs target-libgloss"
846 # If we are not using a cross compiler, do configure newlib.
847 # Note however, that newlib will only be configured in this situation
848 # if the --with-newlib option has been given, because otherwise
849 # 'target-newlib' will appear in skipdirs.
850 ;;
851 i[[3456789]]86-*-rdos*)
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
853 ;;
854 sh*-*-pe|mips*-*-pe|arm-wince-pe)
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
856 ;;
857 sparc-*-sunos4*)
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
859 ;;
860 *-*-aix*)
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
862 ;;
863 *-*-beos*)
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
865 ;;
75205f78 866 *-*-chorusos)
b2f14e4a 867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 868 ;;
c7e4b184
JM		 869 *-*-dragonfly*)
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 ;;
872 *-*-freebsd*)
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 ;;
875 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
877 ;;
878 *-*-lynxos*)
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 880 ;;
c7e4b184
JM		 881 *-*-mingw*)
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 ;;
884 *-*-netbsd*)
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
886 ;;
887 *-*-netware*)
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
889 ;;
890 *-*-tpf*)
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 ;;
893 *-*-uclinux*)
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 ;;
896 *-*-vxworks*)
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
898 ;;
899esac
900
901case "${target}" in
902 *-*-chorusos)
903 ;;
24741ab2 904 powerpc-*-darwin*)
9d39db92 905 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 906 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 907 ;;
85bd1942
TG		 908 i[[3456789]]86-*-darwin*)
909 noconfigdirs="$noconfigdirs ld gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
911 ;;
e8a5fa9c 912 x86_64-*-darwin[[912]]*)
652dec25
TG		 913 noconfigdirs="$noconfigdirs ld gas gprof"
914 noconfigdirs="$noconfigdirs sim target-rda"
915 ;;
04d1ab34 916 *-*-darwin*)
d320aacb 917 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 918 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 919 ;;
5b806d27 920 *-*-dragonfly*)
5b806d27 921 ;;
de0b4a87 922 *-*-freebsd*)
4b1cb4fe
DD		 923 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
924 && test -f /usr/local/include/gmp.h; then
925 with_gmp=/usr/local
926 fi
4b1cb4fe 927 ;;
f8a495c8
NC		 928 *-*-kaos*)
929 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 930 noconfigdirs="$noconfigdirs target-libgloss"
931 ;;
e82380cc 932 *-*-netbsd*)
e82380cc 933 ;;
2a3124ca 934 *-*-netware*)
252b5132
RH		 935 ;;
936 *-*-rtems*)
9863d716 937 noconfigdirs="$noconfigdirs target-libgloss"
1f995db6
JS		 938 # this is not caught below because this stanza matches earlier
939 case $target in
940 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
941 esac
252b5132 942 ;;
1587117a
EC		 943 # The tpf target doesn't support gdb yet.
944 *-*-tpf*)
c7e4b184 945 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 946 ;;
c1968181 947 *-*-uclinux*)
c7e4b184 948 noconfigdirs="$noconfigdirs target-rda"
c1968181 949 ;;
252b5132 950 *-*-vxworks*)
252b5132
RH		 951 ;;
952 alpha*-dec-osf*)
e99daf2b 953 # ld works, but does not support shared libraries.
252b5132 954 # gas doesn't generate exception information.
c7e4b184 955 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 956 ;;
957 alpha*-*-*vms*)
9863d716 958 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 959 ;;
252b5132
RH		 960 alpha*-*-*)
961 # newlib is not 64 bit ready
9863d716 962 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 963 ;;
2fb651f6 964 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 965 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 966 ;;
f4cfb980 967 arc-*-*|arceb-*-*)
782cb41f 968 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 969 ;;
970 arm-*-pe*)
9863d716 971 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 972 ;;
252b5132 973 arm-*-riscix*)
b2f14e4a 974 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 975 ;;
8e71395b
L		 976 avr-*-rtems*)
977 ;;
978 avr-*-*)
979 if test x${with_avrlibc} != xno; then
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
981 fi
982 ;;
ff72e302 983 c4x-*-* | tic4x-*-*)
b2f14e4a 984 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 985 ;;
b2f14e4a
JM		 986 tic54x-*-*)
987 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 988 ;;
252b5132 989 d10v-*-*)
b2f14e4a 990 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 991 ;;
252b5132 992 d30v-*-*)
b2f14e4a 993 noconfigdirs="$noconfigdirs gdb"
252b5132 994 ;;
252b5132 995 fr30-*-elf*)
9863d716 996 noconfigdirs="$noconfigdirs gdb"
252b5132 997 ;;
3f8107ab
AM		 998 ft32-*-*)
999 noconfigdirs="$noconfigdirs target-rda gprof"
1000 ;;
20135e4c 1001 moxie-*-*)
10b8fe5e 1002 noconfigdirs="$noconfigdirs"
20135e4c 1003 ;;
dd1e52a4 1004 h8300*-*-*)
9863d716 1005 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 1006 ;;
252b5132 1007 h8500-*-*)
b2f14e4a 1008 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1009 ;;
caeba88f 1010 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1011 ;;
93cc359e 1012 hppa*64*-*-linux*)
252b5132 1013 ;;
f0ff0f90 1014 hppa*-*-linux*)
5dcac624 1015 ;;
252b5132 1016 hppa*-*-*elf* | \
09e90eb4 1017 hppa*-*-lites* | \
17240c1f 1018 hppa*-*-openbsd* | \
09e90eb4 1019 hppa*64*-*-*)
4f0ef2d8
CD		 1020 ;;
1021 hppa*-hp-hpux11*)
0377a422 1022 noconfigdirs="$noconfigdirs ld"
252b5132 1023 ;;
691bb5a1 1024 hppa*-*-pro*)
691bb5a1 1025 ;;
252b5132 1026 hppa*-*-*)
9863d716 1027 noconfigdirs="$noconfigdirs ld"
252b5132 1028 ;;
b07c2aad 1029 i960-*-*)
b2f14e4a 1030 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1031 ;;
2315914d
JW		 1032 ia64*-*-elf*)
1033 # No gdb support yet.
0377a422 1034 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1035 ;;
a0c1c920 1036 ia64*-**-hpux*)
92c9a463 1037 # No ld support yet.
9863d716 1038 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 1039 ;;
19e99079 1040 ia64*-*-*vms*)
7ec59b9e
L		 1041 # No ld support yet.
1042 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1043 ;;
1f53ca9a 1044 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1045 ;;
1046 i[[3456789]]86-*-mingw*)
45055374 1047 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1048 ;;
252b5132
RH		 1049 *-*-cygwin*)
1050 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1051 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1052 # always build newlib if winsup directory is present.
45055374 1053 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1054 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1055 elif test -d "$srcdir/newlib"; then
45055374 1056 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1057 fi
1f53ca9a 1058 ;;
ec11bdc6 1059 i[[3456789]]86-*-pe)
782cb41f 1060 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1061 ;;
ec11bdc6 1062 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1063 # The linker does not yet know about weak symbols in COFF,
1064 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1065 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1066 ;;
ec11bdc6 1067 i[[3456789]]86-*-sco*)
b2f14e4a 1068 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1069 ;;
cff32a7c 1070 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1071 noconfigdirs="$noconfigdirs target-libgloss"
1072 ;;
ec11bdc6 1073 i[[3456789]]86-*-sysv4*)
b2f14e4a 1074 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1075 ;;
ec11bdc6 1076 i[[3456789]]86-*-beos*)
c7e4b184 1077 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1078 ;;
b59bea8a 1079 i[[3456789]]86-*-rdos*)
c7e4b184 1080 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1081 ;;
75205f78 1082 mmix-*-*)
9863d716 1083 noconfigdirs="$noconfigdirs gdb"
75205f78 1084 ;;
4970f871 1085 mt-*-*)
cdb9b172
AH		 1086 noconfigdirs="$noconfigdirs sim"
1087 ;;
252b5132
RH		 1088 powerpc-*-aix*)
1089 # copied from rs6000-*-* entry
c7e4b184 1090 noconfigdirs="$noconfigdirs gprof"
252b5132 1091 ;;
93cc359e 1092 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1093 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1094 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1095 # always build newlib.
1096 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1097 ;;
1098 # This is temporary until we can link against shared libraries
1099 powerpcle-*-solaris*)
b2f14e4a 1100 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1101 ;;
1102 powerpc-*-beos*)
c7e4b184 1103 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1104 ;;
1105 rs6000-*-lynxos*)
c7e4b184 1106 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1107 ;;
1108 rs6000-*-aix*)
c7e4b184 1109 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1110 ;;
1111 rs6000-*-*)
9863d716 1112 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1113 ;;
1114 m68k-apollo-*)
b2f14e4a 1115 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1116 ;;
25a07265 1117 microblaze*)
9863d716 1118 noconfigdirs="$noconfigdirs gprof"
25a07265 1119 ;;
a9d58c06 1120 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS		 1121 if test x$with_newlib = xyes; then
1122 noconfigdirs="$noconfigdirs gprof"
1123 fi
5bd8be13 1124 ;;
252b5132 1125 mips*-*-irix5*)
b2f14e4a 1126 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1127 ;;
1128 mips*-*-irix6*)
9863d716 1129 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1130 ;;
252b5132 1131 mips*-*-bsd*)
e8044f35 1132 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1133 ;;
fad93c55 1134 mips*-*-linux*)
fad93c55 1135 ;;
e8044f35
RS		 1136 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1137 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1138 noconfigdirs="$noconfigdirs ld gas gprof"
1139 ;;
252b5132 1140 mips*-*-*)
9863d716 1141 noconfigdirs="$noconfigdirs gprof"
252b5132 1142 ;;
b25b5cef
CJW		 1143 nds32*-*-*)
1144 noconfigdirs="$noconfigdirs gdb"
1145 ;;
cfbc1a6c
JS		 1146 or1k*-*-*)
1147 noconfigdirs="$noconfigdirs gdb"
1148 ;;
dbf85af7 1149 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1150 case "${target}" in
1151 sh*-*-elf)
9863d716 1152 ;;
e8a5fa9c 1153 *)
9863d716 1154 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1155 esac
252b5132 1156 ;;
252b5132 1157 sparc-*-sunos4*)
c7e4b184 1158 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1159 use_gnu_ld=no
1160 fi
1161 ;;
619a3713 1162 tic6x-*-*)
40ae9136 1163 noconfigdirs="$noconfigdirs sim"
619a3713 1164 ;;
68d122bb 1165 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC		 1166 noconfigdirs="$noconfigdirs sim"
1167 ;;
252b5132 1168 v810-*-*)
b2f14e4a 1169 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1170 ;;
1171 vax-*-*)
9863d716 1172 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1173 ;;
252b5132
RH		 1174esac
1175
1176# If we aren't building newlib, then don't build libgloss, since libgloss
1177# depends upon some newlib header files.
1178case "${noconfigdirs}" in
1179 *target-libgloss*) ;;
1180 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1181esac
252b5132 1182
f48556b1 1183# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1184host_makefile_frag=/dev/null
f48556b1
DD		 1185if test -d ${srcdir}/config ; then
1186case "${host}" in
ec11bdc6 1187 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1188 host_makefile_frag="config/mh-djgpp"
1189 ;;
1190 *-cygwin*)
e33b51a6 1191 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1192 host_makefile_frag="config/mh-cygwin"
1193 ;;
8a1599ab 1194 *-mingw*)
84e7906e 1195 host_makefile_frag="config/mh-mingw"
80f6dcbc 1196 ;;
da888c87 1197 hppa*-hp-hpux10*)
da888c87 1198 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1199 ;;
3516a403 1200 hppa*-hp-hpux*)
da888c87
PB		 1201 host_makefile_frag="config/mh-pa"
1202 ;;
7ec59b9e 1203 hppa*-*)
da888c87
PB		 1204 host_makefile_frag="config/mh-pa"
1205 ;;
e552509b
ILT		 1206 *-*-darwin*)
1207 host_makefile_frag="config/mh-darwin"
0df3d27f 1208 ;;
f6d183c0
PB		 1209 powerpc-*-aix*)
1210 host_makefile_frag="config/mh-ppc-aix"
1211 ;;
1212 rs6000-*-aix*)
1213 host_makefile_frag="config/mh-ppc-aix"
1214 ;;
f48556b1
DD		 1215esac
1216fi
1217
9e07f89d 1218if test "${build}" != "${host}" ; then
b5714970
PB		 1219 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1220 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1221 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1222 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1223 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1224 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1225 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1226 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1227 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1228 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1229 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1230 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1231 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1232else
b5714970
PB		 1233 AR_FOR_BUILD="\$(AR)"
1234 AS_FOR_BUILD="\$(AS)"
9e07f89d 1235 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1236 CXX_FOR_BUILD="\$(CXX)"
1237 GCJ_FOR_BUILD="\$(GCJ)"
1238 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1239 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1240 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1241 LD_FOR_BUILD="\$(LD)"
1242 NM_FOR_BUILD="\$(NM)"
1243 RANLIB_FOR_BUILD="\$(RANLIB)"
1244 WINDRES_FOR_BUILD="\$(WINDRES)"
1245 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1246fi
9e07f89d 1247
24ff9987
DJ		 1248AC_PROG_CC
1249AC_PROG_CXX
1250
1251# We must set the default linker to the linker used by gcc for the correct
1252# operation of libtool. If LD is not defined and we are using gcc, try to
1253# set the LD default to the ld used by gcc.
1254if test -z "$LD"; then
1255 if test "$GCC" = yes; then
1256 case $build in
1257 *-*-mingw*)
1258 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1259 *)
1260 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1261 esac
1262 case $gcc_prog_ld in
1263 # Accept absolute paths.
1264 [[\\/]* | [A-Za-z]:[\\/]*)]
1265 LD="$gcc_prog_ld" ;;
1266 esac
1267 fi
9e07f89d
NN		 1268fi
1269
b3676d82
EB		 1270# Check whether -static-libstdc++ -static-libgcc is supported.
1271have_static_libs=no
1272if test "$GCC" = yes; then
1273 saved_LDFLAGS="$LDFLAGS"
1274
1275 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1276 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1277 AC_LANG_PUSH(C++)
a882be68
EB		 1278 AC_LINK_IFELSE([
1279#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1280#error -static-libstdc++ not implemented
1281#endif
1282int main() {}],
b3676d82
EB		 1283 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1284 [AC_MSG_RESULT([no])])
1285 AC_LANG_POP(C++)
1286
1287 LDFLAGS="$saved_LDFLAGS"
1288fi
1289
9e07f89d 1290ACX_PROG_GNAT
b8908782 1291ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1292
ffdd6afc
ILT		 1293AC_ARG_ENABLE([bootstrap],
1294[AS_HELP_STRING([--enable-bootstrap],
1295 [enable bootstrapping @<:@yes if native build@:>@])],,
1296enable_bootstrap=default)
1297
1298# Issue errors and warnings for invalid/strange bootstrap combinations.
1299if test -r $srcdir/gcc/configure; then
1300 have_compiler=yes
1301else
1302 have_compiler=no
1303fi
1304
1305case "$have_compiler:$host:$target:$enable_bootstrap" in
1306 *:*:*:no) ;;
1307
1308 # Default behavior. Enable bootstrap if we have a compiler
1309 # and we are in a native configuration.
1310 yes:$build:$build:default)
1311 enable_bootstrap=yes ;;
1312
1313 *:*:*:default)
1314 enable_bootstrap=no ;;
1315
1316 # We have a compiler and we are in a native configuration, bootstrap is ok
1317 yes:$build:$build:yes)
1318 ;;
1319
1320 # Other configurations, but we have a compiler. Assume the user knows
1321 # what he's doing.
1322 yes:*:*:yes)
1323 AC_MSG_WARN([trying to bootstrap a cross compiler])
1324 ;;
1325
1326 # No compiler: if they passed --enable-bootstrap explicitly, fail
1327 no:*:*:yes)
1328 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1329
1330 # Fail if wrong command line
1331 *)
1332 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1333 ;;
1334esac
1335
d5f2ee2e
KG		 1336# Used for setting $lt_cv_objdir
1337_LT_CHECK_OBJDIR
1338
e8a5fa9c 1339# Check for GMP, MPFR and MPC
d9b76ff9 1340gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1341gmpinc=
4b900473 1342have_gmp=no
e8a5fa9c
RW		 1343
1344# Specify a location for mpc
1345# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1346AC_ARG_WITH(mpc,
1347[AS_HELP_STRING([--with-mpc=PATH],
1348 [specify prefix directory for installed MPC package.
1349 Equivalent to --with-mpc-include=PATH/include
1350 plus --with-mpc-lib=PATH/lib])])
1351AC_ARG_WITH(mpc-include,
1352[AS_HELP_STRING([--with-mpc-include=PATH],
1353 [specify directory for installed MPC include files])])
1354AC_ARG_WITH(mpc-lib,
1355[AS_HELP_STRING([--with-mpc-lib=PATH],
1356 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1357
1358if test "x$with_mpc" != x; then
d9b76ff9
KG		 1359 gmplibs="-L$with_mpc/lib $gmplibs"
1360 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1361fi
1362if test "x$with_mpc_include" != x; then
d9b76ff9 1363 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1364fi
1365if test "x$with_mpc_lib" != x; then
d9b76ff9 1366 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1367fi
1368if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1369 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1370 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1371 # Do not test the mpc version. Assume that it is sufficient, since
1372 # it is in the source tree, and the library has not been built yet
1373 # but it would be included on the link line in the version check below
1374 # hence making the test fail.
d9b76ff9 1375 have_gmp=yes
e8a5fa9c 1376fi
4b900473 1377
11b04d1f
DD		 1378# Specify a location for mpfr
1379# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1380AC_ARG_WITH(mpfr-dir,
1381[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1382[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1383Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1384
1385AC_ARG_WITH(mpfr,
1386[AS_HELP_STRING([--with-mpfr=PATH],
1387 [specify prefix directory for installed MPFR package.
1388 Equivalent to --with-mpfr-include=PATH/include
1389 plus --with-mpfr-lib=PATH/lib])])
1390AC_ARG_WITH(mpfr-include,
1391[AS_HELP_STRING([--with-mpfr-include=PATH],
1392 [specify directory for installed MPFR include files])])
1393AC_ARG_WITH(mpfr-lib,
1394[AS_HELP_STRING([--with-mpfr-lib=PATH],
1395 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1396
1397if test "x$with_mpfr" != x; then
1398 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1399 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1400fi
8a0d8a5c 1401if test "x$with_mpfr_include" != x; then
d9b76ff9 1402 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1403fi
1404if test "x$with_mpfr_lib" != x; then
1405 gmplibs="-L$with_mpfr_lib $gmplibs"
1406fi
4b900473 1407if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1408 # MPFR v3.1.0 moved the sources into a src sub-directory.
1409 if test -d ${srcdir}/mpfr/src; then
1410 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1411 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1412 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1413 else
1414 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1415 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1416 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1417 fi
4b900473
PB		 1418 # Do not test the mpfr version. Assume that it is sufficient, since
1419 # it is in the source tree, and the library has not been built yet
1420 # but it would be included on the link line in the version check below
1421 # hence making the test fail.
1422 have_gmp=yes
1423fi
11b04d1f 1424
4b1cb4fe 1425# Specify a location for gmp
7837304f
AS		 1426AC_ARG_WITH(gmp-dir,
1427[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1428[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1429Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1430
1431AC_ARG_WITH(gmp,
1432[AS_HELP_STRING([--with-gmp=PATH],
1433 [specify prefix directory for the installed GMP package.
1434 Equivalent to --with-gmp-include=PATH/include
1435 plus --with-gmp-lib=PATH/lib])])
1436AC_ARG_WITH(gmp-include,
1437[AS_HELP_STRING([--with-gmp-include=PATH],
1438 [specify directory for installed GMP include files])])
1439AC_ARG_WITH(gmp-lib,
1440[AS_HELP_STRING([--with-gmp-lib=PATH],
1441 [specify directory for the installed GMP library])])
4b1cb4fe 1442
4b1cb4fe 1443
11b04d1f
DD		 1444if test "x$with_gmp" != x; then
1445 gmplibs="-L$with_gmp/lib $gmplibs"
1446 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1447fi
8a0d8a5c
PB		 1448if test "x$with_gmp_include" != x; then
1449 gmpinc="-I$with_gmp_include $gmpinc"
1450fi
1451if test "x$with_gmp_lib" != x; then
1452 gmplibs="-L$with_gmp_lib $gmplibs"
1453fi
4b900473 1454if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1455 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1456 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1457 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1458 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1459 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1460 # Do not test the gmp version. Assume that it is sufficient, since
1461 # it is in the source tree, and the library has not been built yet
1462 # but it would be included on the link line in the version check below
1463 # hence making the test fail.
1464 have_gmp=yes
1465fi
4b1cb4fe 1466
ceb92e78 1467if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1468 have_gmp=yes
1469 saved_CFLAGS="$CFLAGS"
1470 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1471 # Check for the recommended and required versions of GMP.
1472 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1473 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1474 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1475 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1476 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1477 choke me
4b900473 1478 #endif
a009f2e7 1479 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1480 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1481 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1482 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1483 choke me
1484 #endif
a009f2e7 1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1486 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1487
e8a5fa9c 1488 # If we have GMP, check the MPFR version.
4b900473 1489 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1490 # Check for the recommended and required versions of MPFR.
1491 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1492 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1493 #include <mpfr.h>],[
7ec59b9e 1494 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1495 choke me
1496 #endif
a009f2e7 1497 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1498 #include <mpfr.h>],[
a6b5846e 1499 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1500 choke me
1501 #endif
a009f2e7 1502 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1503 [AC_MSG_RESULT([no]); have_gmp=no])
1504 fi
1505
1506 # Check for the MPC header version.
d9b76ff9 1507 if test x"$have_gmp" = xyes ; then
a6b5846e 1508 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1509 AC_MSG_CHECKING([for the correct version of mpc.h])
1510 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1511 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1512 choke me
1513 #endif
a009f2e7 1514 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1515 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1516 choke me
1517 #endif
a009f2e7 1518 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1519 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1520 fi
1521
1522 # Now check the MPFR library.
1523 if test x"$have_gmp" = xyes; then
1524 saved_LIBS="$LIBS"
1525 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1526 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1527 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1528 mpfr_t n;
1529 mpfr_t x;
d9b76ff9 1530 mpc_t c;
4b900473 1531 int t;
a3ca38d2
DD		 1532 mpfr_init (n);
1533 mpfr_init (x);
4b900473
PB		 1534 mpfr_atan2 (n, n, x, GMP_RNDN);
1535 mpfr_erfc (n, x, GMP_RNDN);
1536 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1537 mpfr_clear(n);
1538 mpfr_clear(x);
1539 mpc_init2 (c, 53);
1540 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1541 mpc_cosh (c, c, MPC_RNDNN);
1542 mpc_pow (c, c, c, MPC_RNDNN);
1543 mpc_acosh (c, c, MPC_RNDNN);
1544 mpc_clear (c);
e8a5fa9c
RW		 1545 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1546 LIBS="$saved_LIBS"
4b900473 1547 fi
e8a5fa9c 1548
4b900473 1549 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1550
a6b5846e
KG		 1551# The library versions listed in the error message below should match
1552# the HARD-minimums enforced above.
4b900473 1553 if test x$have_gmp != xyes; then
7ec59b9e 1554 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1555Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1556their locations. Source code for these libraries can be found at
1557their respective hosting sites as well as at
1558ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1559http://gcc.gnu.org/install/prerequisites.html for additional info. If
1560you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1561make sure that you have installed both the libraries and the header
1562files. They may be located in separate packages.])
4b900473 1563 fi
9dbaa842
DD		 1564fi
1565
e8a5fa9c 1566# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1567AC_SUBST(gmplibs)
1568AC_SUBST(gmpinc)
e8a5fa9c
RW		 1569AC_SUBST(extra_mpfr_configure_flags)
1570AC_SUBST(extra_mpc_gmp_configure_flags)
1571AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1572AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1573
29383458 1574# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1575AC_ARG_WITH(host-libstdcxx,
1576[AS_HELP_STRING([--with-host-libstdcxx=L],
1577 [use linker arguments L to link with libstdc++
1578 when linking with PPL])])
29383458
JM		 1579
1580case $with_host_libstdcxx in
1581 no|yes)
1582 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1583 ;;
1584esac
e28c595f 1585
e8a5fa9c
RW		 1586# Libraries to use for stage1 or when not bootstrapping.
1587AC_ARG_WITH(stage1-libs,
7837304f 1588[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1589[if test "$withval" = "no" -o "$withval" = "yes"; then
1590 stage1_libs=
1591 else
1592 stage1_libs=$withval
1593 fi],
1594[stage1_libs=$with_host_libstdcxx])
1595AC_SUBST(stage1_libs)
1596
b3676d82
EB		 1597# Linker flags to use for stage1 or when not bootstrapping.
1598AC_ARG_WITH(stage1-ldflags,
1599[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1600[if test "$withval" = "no" -o "$withval" = "yes"; then
1601 stage1_ldflags=
1602 else
1603 stage1_ldflags=$withval
1604 fi],
1605[stage1_ldflags=
1606 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1607 # if supported. But if the user explicitly specified the libraries to use,
1608 # trust that they are doing what they want.
1609 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1610 stage1_ldflags="-static-libstdc++ -static-libgcc"
1611 fi])
1612AC_SUBST(stage1_ldflags)
1613
e8a5fa9c
RW		 1614# Libraries to use for stage2 and later builds. This defaults to the
1615# argument passed to --with-host-libstdcxx.
1616AC_ARG_WITH(boot-libs,
7837304f 1617[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1618[if test "$withval" = "no" -o "$withval" = "yes"; then
1619 poststage1_libs=
1620 else
1621 poststage1_libs=$withval
1622 fi],
1623[poststage1_libs=$with_host_libstdcxx])
1624AC_SUBST(poststage1_libs)
1625
143754cd
NC		 1626# Linker flags to use for stage2 and later builds.
1627AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1628[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1629 [linker flags for stage2 and later])],
143754cd
NC		 1630[if test "$withval" = "no" -o "$withval" = "yes"; then
1631 poststage1_ldflags=
1632 else
1633 poststage1_ldflags=$withval
1634 fi],
1635[poststage1_ldflags=
4f11b223
ILT		 1636 # In stages 2 and 3, default to linking libstdc++ and libgcc
1637 # statically. But if the user explicitly specified the libraries to
1638 # use, trust that they are doing what they want.
1639 if test "$poststage1_libs" = ""; then
143754cd
NC		 1640 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1641 fi])
1642AC_SUBST(poststage1_ldflags)
1643
8e71395b
L		 1644# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1645# Basic setup is inlined here, actual checks are in config/cloog.m4 and
1646# config/isl.m4
1647
1648AC_ARG_WITH(cloog,
1649 [AS_HELP_STRING(
1650 [--with-cloog=PATH],
1651 [Specify prefix directory for the installed CLooG-ISL package.
1652 Equivalent to --with-cloog-include=PATH/include
1653 plus --with-cloog-lib=PATH/lib])])
1654AC_ARG_WITH(isl,
1655 [AS_HELP_STRING(
1656 [--with-isl=PATH],
1657 [Specify prefix directory for the installed ISL package.
1658 Equivalent to --with-isl-include=PATH/include
1659 plus --with-isl-lib=PATH/lib])])
1660
1661# Treat either --without-cloog or --without-isl as a request to disable
1662# GRAPHITE support and skip all following checks.
1663if test "x$with_isl" != "xno" &&
1664 test "x$with_cloog" != "xno"; then
1665 # Check for ISL
1666 dnl Provide configure switches and initialize islinc & isllibs
1667 dnl with user input.
1668 ISL_INIT_FLAGS
3dae1673 1669 dnl The versions of ISL that work for Graphite
7ec59b9e 1670 ISL_CHECK_VERSION(0,10)
3dae1673
JBG		 1671 if test "${gcc_cv_isl}" = no ; then
1672 ISL_CHECK_VERSION(0,11)
b3fc79f8
JBG		 1673 if test "${gcc_cv_isl}" = no ; then
1674 ISL_CHECK_VERSION(0,12)
1675 fi
3dae1673 1676 fi
7ec59b9e
L		 1677 dnl Only execute fail-action, if ISL has been requested.
1678 ISL_IF_FAILED([
1679 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f 1680
8e71395b
L		 1681 if test "x$gcc_cv_isl" != "xno"; then
1682 # Check for CLOOG
1683 dnl Provide configure switches and initialize clooginc & clooglibs
1684 dnl with user input.
1685 CLOOG_INIT_FLAGS
3dae1673 1686 dnl The versions of CLooG that work for Graphite.
8e71395b 1687 CLOOG_CHECK_VERSION(0,17,0)
3dae1673
JBG		 1688 if test "${gcc_cv_cloog}" = no ; then
1689 CLOOG_CHECK_VERSION(0,18,0)
1690 fi
8e71395b
L		 1691
1692 dnl Only execute fail-action, if CLooG has been requested.
1693 CLOOG_IF_FAILED([
1694 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1695 fi
e28c595f
JM		 1696fi
1697
7ec59b9e
L		 1698# If either the ISL or the CLooG check failed, disable builds of in-tree
1699# variants of both
8e71395b
L		 1700if test "x$with_isl" = xno ||
1701 test "x$with_cloog" = xno ||
1702 test "x$gcc_cv_cloog" = xno ||
1703 test "x$gcc_cv_isl" = xno; then
7ec59b9e 1704 noconfigdirs="$noconfigdirs cloog isl"
8e71395b
L		 1705 islinc=
1706 clooginc=
1707 clooglibs=
7ec59b9e
L		 1708fi
1709
8e71395b
L		 1710AC_SUBST(islinc)
1711AC_SUBST(clooglibs)
1712AC_SUBST(clooginc)
1713
1714
700d40ca
ILT		 1715# Check for LTO support.
1716AC_ARG_ENABLE(lto,
7837304f 1717[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1718enable_lto=$enableval,
1719enable_lto=yes; default_enable_lto=yes)
1720
74cea91b
DK		 1721ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1722 build_lto_plugin=yes
1723],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1724 case $target in
899b04ef 1725 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1726 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1727 *) enable_lto=no ;;
1728 esac
e49e5c92 1729 else
29821356
RW		 1730 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1731 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1732 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1733 # warn during gcc/ subconfigure; unless you're bootstrapping with
1734 # -flto it won't be needed until after installation anyway.
1735 case $target in
a8eb3f0a 1736 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1737 *) if test x"$enable_lto" = x"yes"; then
1738 AC_MSG_ERROR([LTO support is not enabled for this target.])
1739 fi
1740 ;;
1741 esac
1742 fi
a8eb3f0a 1743 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1744 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1745 case $target in
74cea91b 1746 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1747 *) ;;
1748 esac
74cea91b 1749])
700d40ca 1750
e28c595f 1751
7ec59b9e 1752# By default, C and C++ are the only stage 1 languages.
9b134994 1753stage1_languages=,c,
1d39f329 1754
e8a5fa9c 1755# Target libraries that we bootstrap.
2aa2364a 1756bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1757
9e07f89d
NN		 1758# Figure out what language subdirectories are present.
1759# Look if the user specified --enable-languages="..."; if not, use
1760# the environment variable $LANGUAGES if defined. $LANGUAGES might
1761# go away some day.
1762# NB: embedded tabs in this IF block -- do not untabify
1763if test -d ${srcdir}/gcc; then
1764 if test x"${enable_languages+set}" != xset; then
1765 if test x"${LANGUAGES+set}" = xset; then
1766 enable_languages="${LANGUAGES}"
1767 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1768 else
1769 enable_languages=all
1770 fi
1771 else
1772 if test x"${enable_languages}" = x ||
1773 test x"${enable_languages}" = xyes;
1774 then
1775 echo configure.in: --enable-languages needs at least one language argument 1>&2
1776 exit 1
1777 fi
1778 fi
1779 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1780
096f7d00
DE		 1781 # 'f95' is the old name for the 'fortran' language. We issue a warning
1782 # and make the substitution.
1783 case ,${enable_languages}, in
1784 *,f95,*)
1785 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1786 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1787 ;;
1788 esac
1789
7ec59b9e
L		 1790 # If bootstrapping, C++ must be enabled.
1791 case ",$enable_languages,:$enable_bootstrap" in
1792 *,c++,*:*) ;;
1793 *:yes)
ffdd6afc
ILT		 1794 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1795 enable_languages="${enable_languages},c++"
1796 else
7ec59b9e 1797 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1798 fi
1799 ;;
1800 esac
1801
9e07f89d
NN		 1802 # First scan to see if an enabled language requires some other language.
1803 # We assume that a given config-lang.in will list all the language
1804 # front ends it requires, even if some are required indirectly.
1805 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1806 case ${lang_frag} in
1807 ..) ;;
1808 # The odd quoting in the next line works around
1809 # an apparent bug in bash 1.12 on linux.
1810 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1811 *)
e552509b
ILT		 1812 # From the config-lang.in, get $language, $lang_requires, and
1813 # $lang_requires_boot_languages.
9e07f89d
NN		 1814 language=
1815 lang_requires=
e552509b 1816 lang_requires_boot_languages=
9e07f89d 1817 . ${lang_frag}
e552509b 1818 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1819 case ,${enable_languages}, in
1820 *,$other,*) ;;
1821 *,all,*) ;;
1822 *,$language,*)
1823 echo " \`$other' language required by \`$language'; enabling" 1>&2
1824 enable_languages="${enable_languages},${other}"
1825 ;;
1826 esac
1827 done
e552509b
ILT		 1828 for other in ${lang_requires_boot_languages} ; do
1829 if test "$other" != "c"; then
1830 case ,${enable_stage1_languages}, in
1831 *,$other,*) ;;
1832 *,all,*) ;;
1833 *)
1834 case ,${enable_languages}, in
1835 *,$language,*)
1836 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1837 enable_stage1_languages="$enable_stage1_languages,${other}"
1838 ;;
1839 esac
1840 ;;
1841 esac
1842 fi
1843 done
9e07f89d
NN		 1844 ;;
1845 esac
1846 done
1847
9b134994 1848 new_enable_languages=,c,
700d40ca
ILT		 1849
1850 # If LTO is enabled, add the LTO front end.
1851 extra_host_libiberty_configure_flags=
1852 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1853 case ,${enable_languages}, in
1854 *,lto,*) ;;
1855 *) enable_languages="${enable_languages},lto" ;;
1856 esac
a8eb3f0a 1857 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1858 configdirs="$configdirs lto-plugin"
1859 extra_host_libiberty_configure_flags=--enable-shared
1860 fi
1861 fi
1862 AC_SUBST(extra_host_libiberty_configure_flags)
1863
9e07f89d 1864 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1865 potential_languages=,c,
9e07f89d 1866
9e1a94f4
ILT		 1867 enabled_target_libs=
1868 disabled_target_libs=
1869
9e07f89d
NN		 1870 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1871 case ${lang_frag} in
1872 ..) ;;
1873 # The odd quoting in the next line works around
1874 # an apparent bug in bash 1.12 on linux.
1875 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1876 *)
7ec59b9e 1877 # From the config-lang.in, get $language, $target_libs,
1d39f329 1878 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1879 language=
1880 target_libs=
1881 lang_dirs=
64ce424c 1882 subdir_requires=
9b134994
PB		 1883 boot_language=no
1884 build_by_default=yes
9e07f89d 1885 . ${lang_frag}
9b134994
PB		 1886 if test x${language} = x; then
1887 echo "${lang_frag} doesn't set \$language." 1>&2
1888 exit 1
1889 fi
1890
ffdd6afc 1891 if test "$language" = "c++"; then
7ec59b9e 1892 boot_language=yes
e8a5fa9c
RW		 1893 fi
1894
8e71395b 1895 add_this_lang=no
9b134994
PB		 1896 case ,${enable_languages}, in
1897 *,${language},*)
7ec59b9e
L		 1898 # Language was explicitly selected; include it
1899 # unless it is C, which is enabled by default.
1900 if test "$language" != "c"; then
1901 add_this_lang=yes
1902 fi
9e07f89d 1903 ;;
9b134994
PB		 1904 *,all,*)
1905 # 'all' was selected, select it if it is a default language
8e71395b
L		 1906 if test "$language" != "c"; then
1907 add_this_lang=${build_by_default}
1908 fi
9e07f89d
NN		 1909 ;;
1910 esac
4b1cb4fe 1911
64ce424c 1912 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1913 for i in $subdir_requires; do
3d3adb43 1914 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1915 case ,${enable_languages}, in
1916 *,${language},*)
1917 # Specifically requested language; tell them.
1918 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1919 ;;
1920 *)
1921 # Silently disable.
9b134994 1922 add_this_lang=unsupported
64ce424c
PB		 1923 ;;
1924 esac
1925 done
1926
9b134994
PB		 1927 # Disable Ada if no preexisting GNAT is available.
1928 case ,${enable_languages},:${language}:${have_gnat} in
1929 *,${language},*:ada:no)
1930 # Specifically requested language; tell them.
1931 AC_MSG_ERROR([GNAT is required to build $language])
1932 ;;
1933 *:ada:no)
1934 # Silently disable.
1935 add_this_lang=unsupported
1936 ;;
1937 esac
1938
59f7ec45
HPN		 1939 # Disable a language that is unsupported by the target.
1940 case " $unsupported_languages " in
1941 *" $language "*)
9b134994 1942 add_this_lang=unsupported
59f7ec45
HPN		 1943 ;;
1944 esac
1945
4b1cb4fe 1946 case $add_this_lang in
9b134994 1947 unsupported)
9e07f89d 1948 # Remove language-dependent dirs.
9e1a94f4
ILT		 1949 disabled_target_libs="$disabled_target_libs $target_libs"
1950 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1951 ;;
9b134994
PB		 1952 no)
1953 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1954 disabled_target_libs="$disabled_target_libs $target_libs"
1955 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1956 potential_languages="${potential_languages}${language},"
1957 ;;
1958 yes)
1959 new_enable_languages="${new_enable_languages}${language},"
1960 potential_languages="${potential_languages}${language},"
1d39f329 1961 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1962 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1963 case "${boot_language}:,$enable_stage1_languages," in
1964 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1965 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1966 case ",$stage1_languages," in
1967 *,$language,* | ,yes, | ,all,) ;;
1968 *) stage1_languages="${stage1_languages}${language}," ;;
1969 esac
e8a5fa9c
RW		 1970 # We need to bootstrap any supporting libraries.
1971 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1972 ;;
1973 esac
1974 ;;
9e07f89d
NN		 1975 esac
1976 ;;
1977 esac
1978 done
1979
9e1a94f4
ILT		 1980 # Add target libraries which are only needed for disabled languages
1981 # to noconfigdirs.
1982 if test -n "$disabled_target_libs"; then
1983 for dir in $disabled_target_libs; do
1984 case " $enabled_target_libs " in
1985 *" ${dir} "*) ;;
1986 *) noconfigdirs="$noconfigdirs $dir" ;;
1987 esac
1988 done
1989 fi
1990
9b134994 1991 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1992 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1993 [choose additional languages to build during
1994 stage1. Mostly useful for compiler development])],
9b134994
PB		 1995 [case ,${enable_stage1_languages}, in
1996 ,no,|,,)
1997 # Set it to something that will have no effect in the loop below
1998 enable_stage1_languages=c ;;
1999 ,yes,)
2000 enable_stage1_languages=`echo $new_enable_languages | \
2001 sed -e "s/^,//" -e "s/,$//" ` ;;
2002 *,all,*)
2003 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2004 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2005 esac
2006
2007 # Add "good" languages from enable_stage1_languages to stage1_languages,
2008 # while "bad" languages go in missing_languages. Leave no duplicates.
2009 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2010 case $potential_languages in
2011 *,$i,*)
2012 case $stage1_languages in
2013 *,$i,*) ;;
2014 *) stage1_languages="$stage1_languages$i," ;;
2015 esac ;;
2016 *)
2017 case $missing_languages in
2018 *,$i,*) ;;
2019 *) missing_languages="$missing_languages$i," ;;
2020 esac ;;
2021 esac
2022 done])
2023
2024 # Remove leading/trailing commas that were added for simplicity
2025 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2026 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2027 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2028 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2029
9e07f89d
NN		 2030 if test "x$missing_languages" != x; then
2031 AC_MSG_ERROR([
27258dd4 2032The following requested languages could not be built: ${missing_languages}
9b134994 2033Supported languages are: ${potential_languages}])
9e07f89d 2034 fi
9e07f89d
NN		 2035 if test "x$new_enable_languages" != "x$enable_languages"; then
2036 echo The following languages will be built: ${new_enable_languages}
9b134994 2037 enable_languages="$new_enable_languages"
9e07f89d 2038 fi
9b134994
PB		 2039
2040 AC_SUBST(stage1_languages)
81ec575a 2041 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
35fece71
L		 2042else
2043 # Disable all target libraries if not building gcc.
2044 target_configdirs=
9e07f89d
NN		 2045fi
2046
a6df5a19
PB		 2047# Handle --disable-<component> generically.
2048for dir in $configdirs $build_configdirs $target_configdirs ; do
2049 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2050 varname=`echo $dirname | sed -e s/+/_/g`
2051 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2052 noconfigdirs="$noconfigdirs $dir"
2053 fi
2054done
2055
4f0ef2d8
CD		 2056# Check for Boehm's garbage collector
2057AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2058[AS_HELP_STRING([--enable-objc-gc],
2059 [enable use of Boehm's garbage collector with the
2060 GNU Objective-C runtime])],
4f0ef2d8
CD		 2061[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2062 *,objc,*:*:yes:*target-boehm-gc*)
2063 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2064 ;;
2065esac])
2066
2067# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2068case ,${enable_languages},:${enable_objc_gc} in
2069 *,objc,*:yes)
4f0ef2d8
CD		 2070 # Keep target-boehm-gc if requested for Objective-C.
2071 ;;
4f0ef2d8 2072 *)
d42c4017
DA		 2073 # Otherwise remove target-boehm-gc depending on target-libjava.
2074 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2075 noconfigdirs="$noconfigdirs target-boehm-gc"
2076 fi
4f0ef2d8
CD		 2077 ;;
2078esac
2079
95e43135 2080# Disable libitm, libsanitizer, libvtv if we're not building C++
7ec59b9e
L		 2081case ,${enable_languages}, in
2082 *,c++,*) ;;
2083 *)
9aaf2a7e 2084 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2085 ;;
2086esac
2087
caeba88f
AL		 2088# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2089# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2090# If we have the source for $noconfigdirs entries, add them to $notsupp.
2091
2092notsupp=""
2093for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2094 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2095 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2096 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2097 if test -r $srcdir/$dirname/configure ; then
2098 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2099 true
2100 else
2101 notsupp="$notsupp $dir"
2102 fi
2103 fi
2104 fi
caeba88f
AL		 2105 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2106 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2107 if test -r $srcdir/$dirname/configure ; then
2108 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2109 true
2110 else
2111 notsupp="$notsupp $dir"
2112 fi
2113 fi
2114 fi
9e07f89d
NN		 2115 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2116 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2117 if test -r $srcdir/$dirname/configure ; then
2118 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2119 true
2120 else
2121 notsupp="$notsupp $dir"
2122 fi
2123 fi
2124 fi
2125done
2126
9e07f89d
NN		 2127# Quietly strip out all directories which aren't configurable in this tree.
2128# This relies on all configurable subdirectories being autoconfiscated, which
2129# is now the case.
6a9cf61e
PB		 2130build_configdirs_all="$build_configdirs"
2131build_configdirs=
2132for i in ${build_configdirs_all} ; do
7ec59b9e 2133 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2134 if test -f ${srcdir}/$j/configure ; then
2135 build_configdirs="${build_configdirs} $i"
2136 fi
2137done
2138
9e07f89d
NN		 2139configdirs_all="$configdirs"
2140configdirs=
2141for i in ${configdirs_all} ; do
2142 if test -f ${srcdir}/$i/configure ; then
2143 configdirs="${configdirs} $i"
2144 fi
2145done
6a9cf61e 2146
9e07f89d
NN		 2147target_configdirs_all="$target_configdirs"
2148target_configdirs=
2149for i in ${target_configdirs_all} ; do
7ec59b9e 2150 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2151 if test -f ${srcdir}/$j/configure ; then
2152 target_configdirs="${target_configdirs} $i"
2153 fi
2154done
2155
2156# Produce a warning message for the subdirs we can't configure.
2157# This isn't especially interesting in the Cygnus tree, but in the individual
2158# FSF releases, it's important to let people know when their machine isn't
2159# supported by the one or two programs in a package.
2160
2161if test -n "${notsupp}" && test -z "${norecursion}" ; then
2162 # If $appdirs is non-empty, at least one of those directories must still
2163 # be configured, or we error out. (E.g., if the gas release supports a
2164 # specified target in some subdirs but not the gas subdir, we shouldn't
2165 # pretend that all is well.)
2166 if test -n "$appdirs" ; then
2167 for dir in $appdirs ; do
2168 if test -r $dir/Makefile.in ; then
2169 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2170 appdirs=""
2171 break
2172 fi
6a9cf61e 2173 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2174 appdirs=""
2175 break
2176 fi
2177 fi
2178 done
2179 if test -n "$appdirs" ; then
2180 echo "*** This configuration is not supported by this package." 1>&2
2181 exit 1
2182 fi
2183 fi
2184 # Okay, some application will build, or we don't care to check. Still
2185 # notify of subdirs not getting built.
2186 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2187 echo " ${notsupp}" 1>&2
2188 echo " (Any other directories should still work fine.)" 1>&2
2189fi
2190
2191case "$host" in
2192 *msdosdjgpp*)
2193 enable_gdbtk=no ;;
2194esac
2195
24ff9987
DJ		 2196# To find our prefix, in gcc_cv_tool_prefix.
2197ACX_TOOL_DIRS
2198
9e07f89d
NN		 2199copy_dirs=
2200
7ec59b9e 2201AC_ARG_WITH([build-sysroot],
7837304f
AS		 2202 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2203 [use sysroot as the system root during the build])],
a19b6204
MM		 2204 [if test x"$withval" != x ; then
2205 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2206 fi],
2207 [SYSROOT_CFLAGS_FOR_TARGET=])
2208AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2209
8a6ee3ab 2210AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2211 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2212 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2213 [if test x"$withval" != x; then
2214 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2215 for debug_map in $withval; do
2216 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2217 done
2218 fi],
2219 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2220AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2221
7f6ef0c0
PB		 2222# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2223# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2224# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2225# We want to ensure that TARGET libraries (which we know are built with
2226# gcc) are built with "-O2 -g", so include those options when setting
2227# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2228if test "x$CFLAGS_FOR_TARGET" = x; then
2229 CFLAGS_FOR_TARGET=$CFLAGS
2230 case " $CFLAGS " in
2231 *" -O2 "*) ;;
68f107fa 2232 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2233 esac
2234 case " $CFLAGS " in
2235 *" -g "* | *" -g3 "*) ;;
68f107fa 2236 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2237 esac
2238fi
2239AC_SUBST(CFLAGS_FOR_TARGET)
2240
2241if test "x$CXXFLAGS_FOR_TARGET" = x; then
2242 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2243 case " $CXXFLAGS " in
2244 *" -O2 "*) ;;
68f107fa 2245 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2246 esac
2247 case " $CXXFLAGS " in
2248 *" -g "* | *" -g3 "*) ;;
68f107fa 2249 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2250 esac
2251fi
2252AC_SUBST(CXXFLAGS_FOR_TARGET)
2253
91c1f14c
DK		 2254AC_SUBST(LDFLAGS_FOR_TARGET)
2255
9e07f89d
NN		 2256# Handle --with-headers=XXX. If the value is not "yes", the contents of
2257# the named directory are copied to $(tooldir)/sys-include.
2258if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2259 if test x${is_cross_compiler} = xno ; then
2260 echo 1>&2 '***' --with-headers is only supported when cross compiling
2261 exit 1
2262 fi
2263 if test x"${with_headers}" != xyes ; then
24ff9987 2264 x=${gcc_cv_tool_prefix}
c6b750e1 2265 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2266 fi
2267fi
2268
2269# Handle --with-libs=XXX. If the value is not "yes", the contents of
2270# the name directories are copied to $(tooldir)/lib. Multiple directories
2271# are permitted.
2272if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2273 if test x${is_cross_compiler} = xno ; then
2274 echo 1>&2 '***' --with-libs is only supported when cross compiling
2275 exit 1
2276 fi
2277 if test x"${with_libs}" != xyes ; then
2278 # Copy the libraries in reverse order, so that files in the first named
2279 # library override files in subsequent libraries.
24ff9987 2280 x=${gcc_cv_tool_prefix}
9e07f89d 2281 for l in ${with_libs}; do
c6b750e1 2282 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2283 done
2284 fi
2285fi
2286
700d40ca 2287# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2288#
2289# This is done by determining whether or not the appropriate directory
2290# is available, and by checking whether or not specific configurations
2291# have requested that this magic not happen.
7ec59b9e
L		 2292#
2293# The command line options always override the explicit settings in
2429c060
PB		 2294# configure.in, and the settings in configure.in override this magic.
2295#
7ec59b9e 2296# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2297# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2298# --without-gnu-ld options for the configure script. Similarly, if
2299# the default is to use the included zlib and you don't want to do that,
2300# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2301
2302if test x${use_gnu_as} = x &&
2303 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2304 with_gnu_as=yes
2305 extra_host_args="$extra_host_args --with-gnu-as"
2306fi
2307
2308if test x${use_gnu_ld} = x &&
93f9b408 2309 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2310 with_gnu_ld=yes
2311 extra_host_args="$extra_host_args --with-gnu-ld"
2312fi
2313
700d40ca
ILT		 2314if test x${use_included_zlib} = x &&
2315 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2316 :
2317else
2318 with_system_zlib=yes
2319 extra_host_args="$extra_host_args --with-system-zlib"
2320fi
2321
2429c060
PB		 2322# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2323# can detect this case.
2324
2325if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2326 with_newlib=yes
2327 extra_host_args="$extra_host_args --with-newlib"
2328fi
2329
9e07f89d
NN		 2330# Handle ${copy_dirs}
2331set fnord ${copy_dirs}
2332shift
2333while test $# != 0 ; do
2334 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2335 :
2336 else
2337 echo Copying $1 to $2
2338
2339 # Use the install script to create the directory and all required
2340 # parent directories.
2341 if test -d $2 ; then
2342 :
2343 else
2344 echo >config.temp
2345 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2346 fi
2347
2348 # Copy the directory, assuming we have tar.
2349 # FIXME: Should we use B in the second tar? Not all systems support it.
2350 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2351
2352 # It is the responsibility of the user to correctly adjust all
2353 # symlinks. If somebody can figure out how to handle them correctly
2354 # here, feel free to add the code.
2355
2356 echo $1 > $2/COPIED
2357 fi
2358 shift; shift
2359done
2360
2429c060
PB		 2361# Determine a target-dependent exec_prefix that the installed
2362# gcc will search in. Keep this list sorted by triplet, with
2363# the *-*-osname triplets last.
2364md_exec_prefix=
2365case "${target}" in
521ec477 2366 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2367 md_exec_prefix=/dev/env/DJDIR/bin
2368 ;;
2429c060 2369 *-*-hpux* | \
2429c060 2370 *-*-nto-qnx* | \
1f111696 2371 *-*-solaris2*)
2429c060
PB		 2372 md_exec_prefix=/usr/ccs/bin
2373 ;;
2374esac
2375
874e38b4
NN		 2376extra_arflags_for_target=
2377extra_nmflags_for_target=
1086bc09 2378extra_ranlibflags_for_target=
a0da8069 2379target_makefile_frag=/dev/null
f48556b1 2380case "${target}" in
77d7106f
AM		 2381 spu-*-*)
2382 target_makefile_frag="config/mt-spu"
2383 ;;
a9d58c06 2384 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2385 target_makefile_frag="config/mt-sde"
2386 ;;
f3b1e08e
RS		 2387 mipsisa*-*-elfoabi*)
2388 target_makefile_frag="config/mt-mips-elfoabi"
2389 ;;
e7c8859c
RS		 2390 mips*-*-*linux* | mips*-*-gnu*)
2391 target_makefile_frag="config/mt-mips-gnu"
2392 ;;
d9e042ac
SL		 2393 nios2-*-elf*)
2394 target_makefile_frag="config/mt-nios2-elf"
2395 ;;
29383458 2396 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2397 target_makefile_frag="config/mt-gnu"
f48556b1 2398 ;;
a0da8069 2399 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2400 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2401 # commands to handle both 32-bit and 64-bit objects. These flags are
2402 # harmless if we're using GNU nm or ar.
2403 extra_arflags_for_target=" -X32_64"
2404 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2405 ;;
b6f83f2a
DD		 2406esac
2407
a0da8069 2408alphaieee_frag=/dev/null
b6f83f2a
DD		 2409case $target in
2410 alpha*-*-*)
2411 # This just makes sure to use the -mieee option to build target libs.
2412 # This should probably be set individually by each library.
2413 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2414 ;;
2415esac
a0a2c6c6 2416
f48556b1
DD		 2417# If --enable-target-optspace always use -Os instead of -O2 to build
2418# the target libraries, similarly if it is not specified, use -Os
2419# on selected platforms.
a0da8069 2420ospace_frag=/dev/null
f48556b1
DD		 2421case "${enable_target_optspace}:${target}" in
2422 yes:*)
b6f83f2a 2423 ospace_frag="config/mt-ospace"
f48556b1
DD		 2424 ;;
2425 :d30v-*)
b6f83f2a 2426 ospace_frag="config/mt-d30v"
f48556b1
DD		 2427 ;;
2428 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2429 ospace_frag="config/mt-ospace"
f48556b1
DD		 2430 ;;
2431 no:* | :*)
2432 ;;
2433 *)
2434 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2435 ;;
2436esac
252b5132 2437
a0da8069
NN		 2438# Some systems (e.g., one of the i386-aix systems the gas testers are
2439# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2440tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2441build_tooldir=${tooldir}
2442
a0da8069
NN		 2443# Create a .gdbinit file which runs the one in srcdir
2444# and tells GDB to look there for source files.
2445
2446if test -r ${srcdir}/.gdbinit ; then
2447 case ${srcdir} in
2448 .) ;;
2449 *) cat > ./.gdbinit <<EOF
2450# ${NO_EDIT}
2451dir ${srcdir}
2452dir .
2453source ${srcdir}/.gdbinit
2454EOF
2455 ;;
2456 esac
2457fi
2458
252b5132
RH		 2459# Make sure that the compiler is able to generate an executable. If it
2460# can't, we are probably in trouble. We don't care whether we can run the
2461# executable--we might be using a cross compiler--we only care whether it
2462# can be created. At this point the main configure script has set CC.
a0c4f3a0 2463we_are_ok=no
252b5132
RH		 2464echo "int main () { return 0; }" > conftest.c
2465${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2466if test $? = 0 ; then
2467 if test -s conftest || test -s conftest.exe ; then
2468 we_are_ok=yes
2469 fi
7ec59b9e 2470fi
a0c4f3a0
DD		 2471case $we_are_ok in
2472 no)
2473 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2474 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2475 rm -f conftest*
2476 exit 1
2477 ;;
2478esac
252b5132
RH		 2479rm -f conftest*
2480
3bbd2f8f 2481# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2482case "${host}" in
2483 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2484 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2485 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2486 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2487esac
8607b6c9 2488
3bbd2f8f 2489# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2490# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2491# built executables to PATH.
3bbd2f8f
AL		 2492if test "$RPATH_ENVVAR" = PATH; then
2493 GCC_SHLIB_SUBDIR=/shlib
2494else
2495 GCC_SHLIB_SUBDIR=
2496fi
2497
730af8ee 2498# Adjust the toplevel makefile according to whether bootstrap was selected.
2499case $enable_bootstrap in
2500 yes)
2501 bootstrap_suffix=bootstrap
2502 BUILD_CONFIG=bootstrap-debug
2503 ;;
2504 no)
2505 bootstrap_suffix=no-bootstrap
2506 BUILD_CONFIG=
2507 ;;
2508esac
2509
2510AC_MSG_CHECKING(for default BUILD_CONFIG)
2511
2512AC_ARG_WITH([build-config],
2513 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2514 [use config/NAME.mk build configuration])],
2515 [case $with_build_config in
2516 yes) with_build_config= ;;
2517 no) with_build_config= BUILD_CONFIG= ;;
2518 esac])
2519
2520if test "x${with_build_config}" != x; then
2521 BUILD_CONFIG=$with_build_config
2522else
2523 case $BUILD_CONFIG in
2524 bootstrap-debug)
2525 if echo "int f (void) { return 0; }" > conftest.c &&
2526 ${CC} -c conftest.c &&
2527 mv conftest.o conftest.o.g0 &&
2528 ${CC} -c -g conftest.c &&
2529 mv conftest.o conftest.o.g &&
2530 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2531 :
2532 else
2533 BUILD_CONFIG=
2534 fi
2535 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2536 ;;
2537 esac
2538fi
2539AC_MSG_RESULT($BUILD_CONFIG)
2540AC_SUBST(BUILD_CONFIG)
2541
2542# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2543AC_MSG_CHECKING([for --enable-vtable-verify])
2544AC_ARG_ENABLE(vtable-verify,
2545[ --enable-vtable-verify Enable vtable verification feature ],
2546[case "$enableval" in
2547 yes) enable_vtable_verify=yes ;;
2548 no) enable_vtable_verify=no ;;
2549 *) enable_vtable_verify=no;;
2550 esac],
2551[enable_vtable_verify=no])
2552AC_MSG_RESULT($enable_vtable_verify)
2553
3866be5d
NN		 2554# Record target_configdirs and the configure arguments for target and
2555# build configuration in Makefile.
2556target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2557build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2558bootstrap_fixincludes=no
930314a4 2559
2aa2364a
JR		 2560# If we are building libgomp, bootstrap it.
2561if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2562 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2563fi
2564
730af8ee 2565# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2566# or bootstrap-ubsan, bootstrap it.
2567if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2568 case "$BUILD_CONFIG" in
2569 *bootstrap-asan* | *bootstrap-ubsan* )
2570 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2571 bootstrap_fixincludes=yes
730af8ee 2572 ;;
2573 esac
5eb08693
L		 2574fi
2575
730af8ee 2576# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2577if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2578 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2579 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2580fi
2581
930314a4
NN		 2582# Determine whether gdb needs tk/tcl or not.
2583# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2584# and in that case we want gdb to be built without tk. Ugh!
2585# In fact I believe gdb is the *only* package directly dependent on tk,
2586# so we should be able to put the 'maybe's in unconditionally and
2587# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2588# 100% sure that that's safe though.
c180f501 2589
675c6968 2590gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2591case "$enable_gdbtk" in
2592 no)
2593 GDB_TK="" ;;
c180f501
AC		 2594 yes)
2595 GDB_TK="${gdb_tk}" ;;
930314a4 2596 *)
c180f501
AC		 2597 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2598 # distro. Eventually someone will fix this and move Insight, nee
2599 # gdbtk to a separate directory.
2600 if test -d ${srcdir}/gdb/gdbtk ; then
2601 GDB_TK="${gdb_tk}"
2602 else
2603 GDB_TK=""
2604 fi
2605 ;;
930314a4 2606esac
907be67c
DJ		 2607CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2608INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2609
6bd3dfaa 2610# Strip out unwanted targets.
dd12c3a8
NN		 2611
2612# While at that, we remove Makefiles if we were started for recursive
2613# configuration, so that the top-level Makefile reconfigures them,
2614# like we used to do when configure itself was recursive.
dd12c3a8 2615
06a51eac
RW		 2616# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2617# but now we're fixing up the Makefile ourselves with the additional
2618# commands passed to AC_CONFIG_FILES. Use separate variables
2619# extrasub-{build,host,target} not because there is any reason to split
2620# the substitutions up that way, but only to remain below the limit of
2621# 99 commands in a script, for HP-UX sed.
2622# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2623
16b1ad29
RW		 2624case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2625 yes:yes:*\ gold\ *:*,c++,*) ;;
2626 yes:yes:*\ gold\ *:*)
2627 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2628 ;;
2629esac
2630
06a51eac 2631extrasub_build=
6a9cf61e 2632for module in ${build_configdirs} ; do
dd12c3a8
NN		 2633 if test -z "${no_recursion}" \
2634 && test -f ${build_subdir}/${module}/Makefile; then
2635 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2636 rm -f ${build_subdir}/${module}/Makefile
2637 fi
06a51eac 2638 extrasub_build="$extrasub_build
6bd3dfaa 2639/^@if build-$module\$/d
498d4a71
CF		 2640/^@endif build-$module\$/d
2641/^@if build-$module-$bootstrap_suffix\$/d
2642/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2643done
06a51eac 2644extrasub_host=
dd12c3a8 2645for module in ${configdirs} ; do
80911fe1 2646 if test -z "${no_recursion}"; then
8cf39b1b 2647 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2648 if test -f ${file}; then
2649 echo 1>&2 "*** removing ${file} to force reconfigure"
2650 rm -f ${file}
2651 fi
2652 done
dd12c3a8 2653 fi
201f096f 2654 case ${module},${bootstrap_fixincludes} in
2655 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2656 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2657 esac
06a51eac 2658 extrasub_host="$extrasub_host
6bd3dfaa 2659/^@if $module\$/d
498d4a71 2660/^@endif $module\$/d
201f096f 2661/^@if $module-$host_bootstrap_suffix\$/d
2662/^@endif $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2663done
06a51eac 2664extrasub_target=
dd12c3a8
NN		 2665for module in ${target_configdirs} ; do
2666 if test -z "${no_recursion}" \
2667 && test -f ${target_subdir}/${module}/Makefile; then
2668 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2669 rm -f ${target_subdir}/${module}/Makefile
2670 fi
e8a5fa9c
RW		 2671
2672 # We only bootstrap target libraries listed in bootstrap_target_libs.
2673 case $bootstrap_target_libs in
2674 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2675 *) target_bootstrap_suffix=no-bootstrap ;;
2676 esac
2677
06a51eac 2678 extrasub_target="$extrasub_target
6bd3dfaa 2679/^@if target-$module\$/d
498d4a71 2680/^@endif target-$module\$/d
e8a5fa9c
RW		 2681/^@if target-$module-$target_bootstrap_suffix\$/d
2682/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2683done
319cab08 2684
06a51eac
RW		 2685# Do the final fixup along with target modules.
2686extrasub_target="$extrasub_target
6bd3dfaa 2687/^@if /,/^@endif /d"
930314a4 2688
a2cc058a
NN		 2689# Create the serialization dependencies. This uses a temporary file.
2690
e6bfb94a 2691AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2692[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2693 [force sequential configuration of
2694 sub-packages for the host, target or build
2695 machine, or all sub-packages])])
1047cb91
DD		 2696
2697case ${enable_serial_configure} in
2698 yes)
2699 enable_serial_build_configure=yes
2700 enable_serial_host_configure=yes
2701 enable_serial_target_configure=yes
2702 ;;
2703esac
e6bfb94a 2704
a2cc058a
NN		 2705# These force 'configure's to be done one at a time, to avoid problems
2706# with contention over a shared config.cache.
2707rm -f serdep.tmp
e6bfb94a 2708echo '# serdep.tmp' > serdep.tmp
a2cc058a 2709olditem=
1047cb91 2710test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2711for item in ${build_configdirs} ; do
2712 case ${olditem} in
2713 "") ;;
e6bfb94a 2714 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2715 esac
2716 olditem=${item}
2717done
2718olditem=
1047cb91 2719test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2720for item in ${configdirs} ; do
2721 case ${olditem} in
2722 "") ;;
e6bfb94a 2723 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2724 esac
2725 olditem=${item}
2726done
2727olditem=
1047cb91 2728test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2729for item in ${target_configdirs} ; do
2730 case ${olditem} in
2731 "") ;;
e6bfb94a 2732 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2733 esac
2734 olditem=${item}
2735done
a0da8069
NN		 2736serialization_dependencies=serdep.tmp
2737AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2738
e6bfb94a 2739# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2740# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2741# might not want to pass down to subconfigures. The exception being
2742# --cache-file=/dev/null, which is used to turn off the use of cache
2743# files altogether, and which should be passed on to subconfigures.
2744# Also strip program-prefix, program-suffix, and program-transform-name,
2745# so that we can pass down a consistent program-transform-name.
c6b750e1 2746baseargs=
65b4571a 2747tbaseargs=
c6b750e1
DJ		 2748keep_next=no
2749skip_next=no
2750eval "set -- $ac_configure_args"
b0aaa663
DJ		 2751for ac_arg
2752do
c6b750e1
DJ		 2753 if test X"$skip_next" = X"yes"; then
2754 skip_next=no
2755 continue
2756 fi
2757 if test X"$keep_next" = X"yes"; then
2758 case $ac_arg in
2759 *\'*)
2760 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2761 esac
2762 baseargs="$baseargs '$ac_arg'"
65b4571a 2763 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2764 keep_next=no
2765 continue
2766 fi
2767
2768 # Handle separated arguments. Based on the logic generated by
2769 # autoconf 2.59.
2770 case $ac_arg in
2771 *=* | --config-cache | -C | -disable-* | --disable-* \
2772 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2773 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2774 | -with-* | --with-* | -without-* | --without-* | --x)
2775 separate_arg=no
2776 ;;
2777 -*)
2778 separate_arg=yes
2779 ;;
2780 *)
2781 separate_arg=no
2782 ;;
2783 esac
2784
65b4571a
AO		 2785 skip_targ=no
2786 case $ac_arg in
2787changequote(,)
2788 --with-* | --without-*)
2789 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2790
2791 case $libopt in
2792 *[-_]include)
2793 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2794 ;;
2795 *[-_]lib)
2796 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2797 ;;
2798 *)
2799 lib=$libopt
2800 ;;
2801 esac
2802changequote([,])
2803
2804 case $lib in
7ec59b9e 2805 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2806 # If we're processing --with-$lib, --with-$lib-include or
2807 # --with-$lib-lib, for one of the libs above, and target is
2808 # different from host, don't pass the current argument to any
2809 # target library's configure.
2810 if test x$is_cross_compiler = xyes; then
2811 skip_targ=yes
2812 fi
2813 ;;
2814 esac
2815 ;;
2816 esac
2817
c6b750e1 2818 case "$ac_arg" in
30167e0a
NC		 2819 --cache-file=/dev/null | \
2820 -cache-file=/dev/null )
2821 # Handled here to avoid the test to skip args below.
2822 baseargs="$baseargs '$ac_arg'"
65b4571a 2823 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2824 # Assert: $separate_arg should always be no.
2825 keep_next=$separate_arg
2826 ;;
c6b750e1
DJ		 2827 --no*)
2828 continue
2829 ;;
2830 --c* | \
2831 --sr* | \
2832 --ho* | \
2833 --bu* | \
2834 --t* | \
2835 --program-* | \
2836 -cache_file* | \
2837 -srcdir* | \
2838 -host* | \
2839 -build* | \
2840 -target* | \
2841 -program-prefix* | \
2842 -program-suffix* | \
2843 -program-transform-name* )
2844 skip_next=$separate_arg
2845 continue
2846 ;;
2847 -*)
2848 # An option. Add it.
2849 case $ac_arg in
2850 *\'*)
2851 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2852 esac
2853 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2854 if test X"$skip_targ" = Xno; then
2855 tbaseargs="$tbaseargs '$ac_arg'"
2856 fi
c6b750e1
DJ		 2857 keep_next=$separate_arg
2858 ;;
2859 *)
2860 # Either a variable assignment, or a nonopt (triplet). Don't
2861 # pass it down; let the Makefile handle this.
2862 continue
2863 ;;
2864 esac
2865done
2866# Remove the initial space we just introduced and, as these will be
2867# expanded by make, quote '$'.
2868baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2869
f27d4f92
DJ		 2870# Add in --program-transform-name, after --program-prefix and
2871# --program-suffix have been applied to it. Autoconf has already
2872# doubled dollar signs and backslashes in program_transform_name; we want
2873# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2874# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2875# Also, because we want to override the logic in subdir configure scripts to
2876# choose program_transform_name, replace any s,x,x, with s,y,y,.
2877sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2878${program_transform_name}
2879EOF_SED
2880gcc_transform_name=`cat conftestsed.out`
2881rm -f conftestsed.out
2882baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2883tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2884if test "$silent" = yes; then
2885 baseargs="$baseargs --silent"
65b4571a 2886 tbaseargs="$tbaseargs --silent"
2444379b 2887fi
34a0f3cf 2888baseargs="$baseargs --disable-option-checking"
65b4571a 2889tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2890
4074d5f2
RW		 2891# Record and document user additions to sub configure arguments.
2892AC_ARG_VAR([build_configargs],
2893 [additional configure arguments for build directories])
2894AC_ARG_VAR([host_configargs],
2895 [additional configure arguments for host directories])
2896AC_ARG_VAR([target_configargs],
2897 [additional configure arguments for target directories])
2898
49b7683b
DD		 2899# For the build-side libraries, we just need to pretend we're native,
2900# and not use the same cache file. Multilibs are neither needed nor
2901# desired.
4074d5f2 2902build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2903
ae831be5
NN		 2904# For host modules, accept cache file option, or specification as blank.
2905case "${cache_file}" in
2906"") # empty
2907 cache_file_option="" ;;
a0da8069 2908/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2909 cache_file_option="--cache-file=${cache_file}" ;;
2910*) # relative path
2911 cache_file_option="--cache-file=../${cache_file}" ;;
2912esac
2913
82252c06
NN		 2914# Host dirs don't like to share a cache file either, horribly enough.
2915# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2916host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2917
65b4571a 2918target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2919
252b5132
RH		 2920# Passing a --with-cross-host argument lets the target libraries know
2921# whether they are being built with a cross-compiler or being built
2922# native. However, it would be better to use other mechanisms to make the
2923# sorts of decisions they want to make on this basis. Please consider
2924# this option to be deprecated. FIXME.
a0c4f3a0 2925if test x${is_cross_compiler} = xyes ; then
c6b750e1 2926 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2927fi
2928
afc0578d 2929# Special user-friendly check for native x86_64-linux build, if
2930# multilib is not explicitly enabled.
2931case "$target:$have_compiler:$host:$target:$enable_multilib" in
2932 x86_64-*linux*:yes:$build:$build:)
2933 # Make sure we have a developement environment that handles 32-bit
2934 dev64=no
2935 echo "int main () { return 0; }" > conftest.c
2936 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2937 if test $? = 0 ; then
2938 if test -s conftest || test -s conftest.exe ; then
2939 dev64=yes
2940 fi
2941 fi
2942 rm -f conftest*
2943 if test x${dev64} != xyes ; then
2944 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
2945 fi
2946 ;;
2947esac
2948
938d2b74
RW		 2949# Default to --enable-multilib.
2950if test x${enable_multilib} = x ; then
a0da8069 2951 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2952fi
252b5132
RH		 2953
2954# Pass --with-newlib if appropriate. Note that target_configdirs has
2955# changed from the earlier setting of with_newlib.
a0c4f3a0 2956if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2957 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2958fi
2959
95036d20
NN		 2960# Different target subdirs use different values of certain variables
2961# (notably CXX). Worse, multilibs use *lots* of different values.
2962# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2963# it doesn't automatically accept command-line overrides of them.
2964# This means it's not safe for target subdirs to share a cache file,
2965# which is disgusting, but there you have it. Hopefully this can be
2966# fixed in future. It's still worthwhile to use a cache file for each
2967# directory. I think.
2968
ae380b45
MS		 2969# Pass the appropriate --build, --host, --target and --cache-file arguments.
2970# We need to pass --target, as newer autoconf's requires consistency
2971# for target_alias and gcc doesn't manage it consistently.
4b900473 2972target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2973
9e449d3e 2974FLAGS_FOR_TARGET=
7c1f909c 2975case " $target_configdirs " in
75205f78 2976 *" newlib "*)
a0da8069 2977 case " $target_configargs " in
75205f78 2978 *" --with-newlib "*)
9e449d3e 2979 case "$target" in
1f53ca9a 2980 *-cygwin*)
6d94c122 2981 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 2982 ;;
9e449d3e
AO		 2983 esac
2984
7450026c 2985 # If we're not building GCC, don't discard standard headers.
4d5fd396 2986 if test -d ${srcdir}/gcc; then
63266560 2987 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2988
2989 if test "${build}" != "${host}"; then
2990 # On Canadian crosses, CC_FOR_TARGET will have already been set
2991 # by `configure', so we won't have an opportunity to add -Bgcc/
2992 # to it. This is right: we don't want to search that directory
2993 # for binaries, but we want the header files in there, so add
2994 # them explicitly.
e552509b 2995 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2996
2997 # Someone might think of using the pre-installed headers on
2998 # Canadian crosses, in case the installed compiler is not fully
2999 # compatible with the compiler being built. In this case, it
3000 # would be better to flag an error than risking having
3001 # incompatible object files being constructed. We can't
3002 # guarantee that an error will be flagged, but let's hope the
3003 # compiler will do it, when presented with incompatible header
3004 # files.
3005 fi
63266560
DD		 3006 fi
3007
0a0d0041 3008 case "${target}-${is_cross_compiler}" in
ec11bdc6 3009 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3010 # Here host == target, so we don't need to build gcc,
3011 # so we don't want to discard standard headers.
3012 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3013 ;;
3014 *)
3015 # If we're building newlib, use its generic headers last, but search
3016 # for any libc-related directories first (so make it the last -B
3017 # switch).
3018 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3019
3020 # If we're building libgloss, find the startup file, simulator library
3021 # and linker script.
3022 case " $target_configdirs " in
3023 *" libgloss "*)
3024 # Look for startup file, simulator library and maybe linker script.
3025 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3026 # Look for libnosys.a in case the target needs it.
3027 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3028 # Most targets have the linker script in the source directory.
3029 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3030 ;;
3031 esac
0a0d0041
TF		 3032 ;;
3033 esac
9e449d3e 3034 ;;
75205f78
DD		 3035 esac
3036 ;;
9e449d3e 3037esac
1f53ca9a 3038
45055374 3039case "$target" in
1f53ca9a
AO		 3040 x86_64-*mingw* | *-w64-mingw*)
3041 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3042 # however, use a symlink named 'mingw' in ${prefix} .
3043 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3044 ;;
3045 *-mingw*)
3046 # MinGW can't be handled as Cygwin above since it does not use newlib.
3047 FLAGS_FOR_TARGET=$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'
3048 ;;
45055374 3049esac
63266560 3050
5fbad20a
DD		 3051# Allow the user to override the flags for
3052# our build compiler if desired.
c66487f8
NC		 3053if test x"${build}" = x"${host}" ; then
3054 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3055 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3056 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3057fi
5fbad20a 3058
63266560
DD		 3059# On Canadian crosses, we'll be searching the right directories for
3060# the previously-installed cross compiler, so don't bother to add
3061# flags for directories within the install tree of the compiler
3062# being built; programs in there won't even run.
4d5fd396 3063if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3064 # Search for pre-installed headers if nothing else fits.
bba45b8b 3065 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3066fi
63266560 3067
7c1f909c 3068if test "x${use_gnu_ld}" = x &&
f48556b1 3069 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3070 # Arrange for us to find uninstalled linker scripts.
b00612cc 3071 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3072fi
3073
a481dbb7
DD		 3074# Search for other target-specific linker scripts and such.
3075case "${target}" in
4e206d7e
DB		 3076 mep*)
3077 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3078 ;;
3079esac
3080
a0da8069 3081# Makefile fragments.
3e707e94
PB		 3082for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3083do
3084 eval fragval=\$$frag
3085 if test $fragval != /dev/null; then
3086 eval $frag=${srcdir}/$fragval
3087 fi
3088done
a0da8069
NN		 3089AC_SUBST_FILE(host_makefile_frag)
3090AC_SUBST_FILE(target_makefile_frag)
3091AC_SUBST_FILE(alphaieee_frag)
3092AC_SUBST_FILE(ospace_frag)
3093
3094# Miscellanea: directories, flags, etc.
a0da8069 3095AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3096AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3097AC_SUBST(tooldir)
3098AC_SUBST(build_tooldir)
907be67c 3099AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3100AC_SUBST(GDB_TK)
907be67c 3101AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3102
3103# Build module lists & subconfigure args.
a0da8069 3104AC_SUBST(build_configargs)
6a9cf61e 3105AC_SUBST(build_configdirs)
a0da8069
NN		 3106
3107# Host module lists & subconfigure args.
3108AC_SUBST(host_configargs)
3109AC_SUBST(configdirs)
911e63d0 3110AC_SUBST(target_configdirs)
a0da8069
NN		 3111
3112# Target module lists & subconfigure args.
a0da8069 3113AC_SUBST(target_configargs)
a6df5a19 3114
a0da8069
NN		 3115
3116# Build tools.
b5714970
PB		 3117AC_SUBST(AR_FOR_BUILD)
3118AC_SUBST(AS_FOR_BUILD)
a0da8069 3119AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3120AC_SUBST(CFLAGS_FOR_BUILD)
3121AC_SUBST(CXXFLAGS_FOR_BUILD)
3122AC_SUBST(CXX_FOR_BUILD)
3123AC_SUBST(DLLTOOL_FOR_BUILD)
3124AC_SUBST(GCJ_FOR_BUILD)
3125AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3126AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3127AC_SUBST(LDFLAGS_FOR_BUILD)
3128AC_SUBST(LD_FOR_BUILD)
3129AC_SUBST(NM_FOR_BUILD)
3130AC_SUBST(RANLIB_FOR_BUILD)
3131AC_SUBST(WINDMC_FOR_BUILD)
3132AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3133
be01d343
PB		 3134# Generate default definitions for YACC, M4, LEX and other programs that run
3135# on the build machine. These are used if the Makefile can't locate these
3136# programs in objdir.
3137MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3138
3139AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3140case " $build_configdirs " in
3141 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3142esac
3143
3144AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3145case " $build_configdirs " in
3146 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3147esac
3148
3149AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3150case " $build_configdirs " in
3151 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3152esac
3153
3154AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3155case " $build_configdirs " in
3156 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3157 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3158esac
3159
3160AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3161case " $build_configdirs " in
3162 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3163esac
3164
3165AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3166case " $build_configdirs " in
3167 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3168 *)
3169changequote(,)
10ad8ef3 3170 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3171 # higher, else we use the "missing" dummy.
3172 if ${MAKEINFO} --version \
10ad8ef3 3173 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3174 :
3175 else
3176 MAKEINFO="$MISSING makeinfo"
3177 fi
3178 ;;
3179changequote([,])
3180esac
3181
3182# FIXME: expect and dejagnu may become build tools?
3183
3184AC_CHECK_PROGS(EXPECT, expect, expect)
3185case " $configdirs " in
3186 *" expect "*)
3187 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3188 ;;
3189esac
3190
3191AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3192case " $configdirs " in
3193 *" dejagnu "*)
6b89cc21 3194 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3195 ;;
3196esac
3197
3198
a0da8069 3199# Host tools.
05cbd757
PB		 3200NCN_STRICT_CHECK_TOOLS(AR, ar)
3201NCN_STRICT_CHECK_TOOLS(AS, as)
3202NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3203NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3204NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3205NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3206NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3207NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3208NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3209NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3210NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3211NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3212NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3213AC_SUBST(CC)
3214AC_SUBST(CXX)
3215AC_SUBST(CFLAGS)
3216AC_SUBST(CXXFLAGS)
a0da8069 3217
be01d343 3218# Target tools.
7ec59b9e 3219AC_ARG_WITH([build-time-tools],
7837304f
AS		 3220 [AS_HELP_STRING([--with-build-time-tools=PATH],
3221 [use given path to find target tools during the build])],
2429c060
PB		 3222 [case x"$withval" in
3223 x/*) ;;
3224 *)
3225 with_build_time_tools=
3226 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3227 ;;
3228 esac],
3229 [with_build_time_tools=])
3230
05cbd757
PB		 3231NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3232NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3233NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3234NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3235NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3236NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3237
3238ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3239ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3240ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3241ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3242ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3243ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3244ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3245ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3246ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3247ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3248ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3249ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3250ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3251
be01d343
PB		 3252RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3253
3254GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3255GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3256GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3257dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3258GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3259 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3260 c++)
3261GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3262 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3263 c++)
3264GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3265GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3266GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3267 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3268GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3269 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3270GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3271 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3272GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3273GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3274GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
6b91c541 3275GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJDUMP, [binutils/objcopy])
be01d343
PB		 3276GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3277GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3278GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3279GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3280GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3281GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3282
be01d343 3283AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3284AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3285
a0da8069
NN		 3286# Certain tools may need extra flags.
3287AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3288RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3289NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3290
be01d343
PB		 3291# When building target libraries, except in a Canadian cross, we use
3292# the same toolchain as the compiler we just built.
3293COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3294COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3295COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3296if test $host = $build; then
3297 case " $configdirs " in
3298 *" gcc "*)
3299 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3300 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3301 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3302 ;;
3303 esac
3304fi
3305
3306AC_SUBST(COMPILER_AS_FOR_TARGET)
3307AC_SUBST(COMPILER_LD_FOR_TARGET)
3308AC_SUBST(COMPILER_NM_FOR_TARGET)
3309
6b784d9f
AO		 3310AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3311AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3312[AS_HELP_STRING([--enable-maintainer-mode],
3313 [enable make rules and dependencies not useful
3314 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3315 USE_MAINTAINER_MODE=$enableval,
3316 USE_MAINTAINER_MODE=no)
3317AC_MSG_RESULT($USE_MAINTAINER_MODE)
3318AC_SUBST(MAINTAINER_MODE_TRUE)
3319AC_SUBST(MAINTAINER_MODE_FALSE)
3320if test "$USE_MAINTAINER_MODE" = yes; then
3321 MAINTAINER_MODE_TRUE=
3322 MAINTAINER_MODE_FALSE='#'
3323else
3324 MAINTAINER_MODE_TRUE='#'
3325 MAINTAINER_MODE_FALSE=
7ec59b9e 3326fi
6b784d9f
AO		 3327MAINT=$MAINTAINER_MODE_TRUE
3328AC_SUBST(MAINT)dnl
3329
1d39f329
NN		 3330# ---------------------
3331# GCC bootstrap support
3332# ---------------------
3333
3334# Stage specific cflags for build.
3335stage1_cflags="-g"
3336case $build in
3337 vax-*-*)
3338 case ${GCC} in
3339 yes) stage1_cflags="-g -Wa,-J" ;;
3340 *) stage1_cflags="-g -J" ;;
3341 esac ;;
1d39f329 3342esac
1d89b610 3343
1d39f329
NN		 3344AC_SUBST(stage1_cflags)
3345
8a0d8a5c
PB		 3346# Enable --enable-checking in stage1 of the compiler.
3347AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3348[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3349 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3350[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3351[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3352 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3353else
5566c1fa 3354 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3355fi])
3356AC_SUBST(stage1_checking)
3357
1d39f329 3358# Enable -Werror in bootstrap stage2 and later.
1d39f329 3359AC_ARG_ENABLE(werror,
7837304f
AS		 3360[AS_HELP_STRING([--enable-werror],
3361 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3362[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3363 enable_werror=yes
3364else
3365 enable_werror=no
3366fi])
1a6f2dc7
NN		 3367case ${enable_werror} in
3368 yes) stage2_werror_flag="--enable-werror-always" ;;
3369 *) stage2_werror_flag="" ;;
1d39f329 3370esac
1a6f2dc7 3371AC_SUBST(stage2_werror_flag)
1d39f329 3372
82033c9b
JBG		 3373# Enable --enable-host-shared.
3374AC_ARG_ENABLE(host-shared,
3375[AS_HELP_STRING([--enable-host-shared],
3376 [build host code as shared libraries])],
3377[host_shared=$enableval], [host_shared=no])
3378AC_SUBST(host_shared)
3379
e8a5fa9c
RW		 3380# Specify what files to not compare during bootstrap.
3381
3382compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3383case "$target" in
3384 hppa*64*-*-hpux*) ;;
3385 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3386 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3387esac
3388AC_SUBST(compare_exclusions)
3389
06a51eac
RW		 3390AC_CONFIG_FILES([Makefile],
3391 [sed "$extrasub_build" Makefile |
3392 sed "$extrasub_host" |
3393 sed "$extrasub_target" > mf$$
3394 mv -f mf$$ Makefile],
3395 [extrasub_build="$extrasub_build"
3396 extrasub_host="$extrasub_host"
3397 extrasub_target="$extrasub_target"])
3398AC_OUTPUT
GDB Binutils - Deliverables
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