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[deliverable/binutils-gdb.git] / configure.ac
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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
5c0b3823 334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
c7791212
NC		 335 configdirs="$configdirs gold"
336 if test x${ENABLE_GOLD} = xdefault; then
337 default_ld=gold
338 fi
e6de499b 339 ENABLE_GOLD=yes
93f9b408
ILT		 340 ;;
341 esac
e6de499b
NC		 342 fi
343 ;;
344 no)
345 ;;
346 *)
347 AC_MSG_ERROR([invalid --enable-gold argument])
348 ;;
c7791212
NC		 349esac
350
351AC_ARG_ENABLE(ld,
7837304f
AS		 352[AS_HELP_STRING([[--enable-ld[=ARG]]],
353 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 354ENABLE_LD=$enableval,
355ENABLE_LD=yes)
356
357case "${ENABLE_LD}" in
358 default)
d3b50760 359 if test x${default_ld} != x; then
c7791212
NC		 360 AC_MSG_ERROR([either gold or ld can be the default ld])
361 fi
362 ;;
363 yes)
364 ;;
365 no)
366 if test x${ENABLE_GOLD} != xyes; then
367 AC_MSG_WARN([neither ld nor gold are enabled])
368 fi
369 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
370 ;;
371 *)
372 AC_MSG_ERROR([invalid --enable-ld argument])
373 ;;
374esac
93f9b408 375
252b5132
RH		 376# Configure extra directories which are host specific
377
378case "${host}" in
f48556b1 379 *-cygwin*)
3866be5d 380 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 381esac
382
59f7ec45
HPN		 383# A target can indicate whether a language isn't supported for some reason.
384# Only spaces may be used in this macro; not newlines or tabs.
385unsupported_languages=
386
7ec59b9e 387# Remove more programs from consideration, based on the host or
252b5132
RH		 388# target this usually means that a port of the program doesn't
389# exist yet.
390
252b5132 391case "${host}" in
3516a403 392 i[[3456789]]86-*-msdosdjgpp*)
6a608608 393 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 394 ;;
252b5132
RH		 395esac
396
4b1cb4fe 397
89a1e9c3
PB		 398AC_ARG_ENABLE(libquadmath,
399AS_HELP_STRING([--disable-libquadmath],
400 [do not build libquadmath directory]),
401ENABLE_LIBQUADMATH=$enableval,
402ENABLE_LIBQUADMATH=yes)
403if test "${ENABLE_LIBQUADMATH}" = "no" ; then
404 noconfigdirs="$noconfigdirs target-libquadmath"
405fi
406
407
408AC_ARG_ENABLE(libquadmath-support,
409AS_HELP_STRING([--disable-libquadmath-support],
410 [disable libquadmath support for Fortran]),
411ENABLE_LIBQUADMATH_SUPPORT=$enableval,
412ENABLE_LIBQUADMATH_SUPPORT=yes)
413enable_libquadmath_support=
414if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
415 enable_libquadmath_support=no
416fi
417
418
a2592b1b 419AC_ARG_ENABLE(libada,
7837304f 420[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 421ENABLE_LIBADA=$enableval,
422ENABLE_LIBADA=yes)
423if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 424 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 425fi
426
5f128533 427AC_ARG_ENABLE(libssp,
7837304f 428[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 429ENABLE_LIBSSP=$enableval,
430ENABLE_LIBSSP=yes)
5f128533 431
f66a9a70
L		 432AC_ARG_ENABLE(libstdcxx,
433AS_HELP_STRING([--disable-libstdcxx],
434 [do not build libstdc++-v3 directory]),
435ENABLE_LIBSTDCXX=$enableval,
436ENABLE_LIBSTDCXX=default)
437[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
438 noconfigdirs="$noconfigdirs libstdc++-v3"
439fi]
440
96111c10
AO		 441# Save it here so that, even in case of --enable-libgcj, if the Java
442# front-end isn't enabled, we still get libgcj disabled.
443libgcj_saved=$libgcj
444case $enable_libgcj in
445yes)
446 # If we reset it here, it won't get added to noconfigdirs in the
447 # target-specific build rules, so it will be forcibly enabled
448 # (unless the Java language itself isn't enabled).
449 libgcj=
450 ;;
451no)
452 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 453 # Don't disable libffi, though, other languages use it.
454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 455 # Clear libgcj_saved so that even if java is enabled libffi won't be
456 # built.
457 libgcj_saved=
96111c10
AO		 458 ;;
459esac
460
ffdd6afc
ILT		 461AC_ARG_ENABLE(static-libjava,
462[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
463 [build static libjava @<:@default=no@:>@])],
464ENABLE_STATIC_LIBJAVA=$enableval,
465ENABLE_STATIC_LIBJAVA=no)
466enable_static_libjava=
467if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
468 enable_static_libjava=yes
469fi
470
471if test x$enable_static_libjava != xyes ; then
472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
473fi
474AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 475
a6df5a19
PB		 476# Disable libgomp on non POSIX hosted systems.
477if test x$enable_libgomp = x ; then
b3ded179
PB		 478 # Enable libgomp by default on hosted POSIX systems.
479 case "${target}" in
29383458 480 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 481 ;;
5b806d27 482 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 483 ;;
2479f722 484 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 485 ;;
486 *-*-darwin* | *-*-aix*)
487 ;;
488 *)
489 noconfigdirs="$noconfigdirs target-libgomp"
490 ;;
491 esac
a6df5a19 492fi
b3ded179 493
7ec59b9e
L		 494# Disable libatomic on unsupported systems.
495if test -d ${srcdir}/libatomic; then
496 if test x$enable_libatomic = x; then
497 AC_MSG_CHECKING([for libatomic support])
498 if (srcdir=${srcdir}/libatomic; \
499 . ${srcdir}/configure.tgt; \
500 test -n "$UNSUPPORTED")
501 then
502 AC_MSG_RESULT([no])
503 noconfigdirs="$noconfigdirs target-libatomic"
504 else
505 AC_MSG_RESULT([yes])
506 fi
507 fi
508fi
509
522e3d71 510# Disable libcilkrts on unsupported systems.
511if test -d ${srcdir}/libcilkrts; then
512 if test x$enable_libcilkrts = x; then
513 AC_MSG_CHECKING([for libcilkrts support])
514 if (srcdir=${srcdir}/libcilkrts; \
515 . ${srcdir}/configure.tgt; \
516 test -n "$UNSUPPORTED")
517 then
518 AC_MSG_RESULT([no])
519 noconfigdirs="$noconfigdirs target-libcilkrts"
520 else
521 AC_MSG_RESULT([yes])
522 fi
523 fi
524fi
525
d32e2926
RH		 526# Disable libitm on unsupported systems.
527if test -d ${srcdir}/libitm; then
528 if test x$enable_libitm = x; then
529 AC_MSG_CHECKING([for libitm support])
530 if (srcdir=${srcdir}/libitm; \
531 . ${srcdir}/configure.tgt; \
532 test -n "$UNSUPPORTED")
533 then
534 AC_MSG_RESULT([no])
535 noconfigdirs="$noconfigdirs target-libitm"
536 else
537 AC_MSG_RESULT([yes])
538 fi
539 fi
540fi
541
5286fdef
L		 542# Disable libsanitizer on unsupported systems.
543if test -d ${srcdir}/libsanitizer; then
544 if test x$enable_libsanitizer = x; then
545 AC_MSG_CHECKING([for libsanitizer support])
546 if (srcdir=${srcdir}/libsanitizer; \
547 . ${srcdir}/configure.tgt; \
548 test -n "$UNSUPPORTED")
549 then
550 AC_MSG_RESULT([no])
551 noconfigdirs="$noconfigdirs target-libsanitizer"
552 else
553 AC_MSG_RESULT([yes])
554 fi
555 fi
556fi
557
95e43135
JBG		 558# Disable libvtv on unsupported systems.
559if test -d ${srcdir}/libvtv; then
560 if test x$enable_libvtv = x; then
561 AC_MSG_CHECKING([for libvtv support])
562 if (srcdir=${srcdir}/libvtv; \
563 . ${srcdir}/configure.tgt; \
564 test "$VTV_SUPPORTED" != "yes")
565 then
566 AC_MSG_RESULT([no])
567 noconfigdirs="$noconfigdirs target-libvtv"
568 else
569 AC_MSG_RESULT([yes])
570 fi
571 fi
572fi
573
1488e230
DE		 574# Disable libquadmath for some systems.
575case "${target}" in
5286fdef
L		 576 avr-*-*)
577 noconfigdirs="$noconfigdirs target-libquadmath"
578 ;;
1488e230
DE		 579 # libquadmath is unused on AIX and libquadmath build process use of
580 # LD_LIBRARY_PATH can break AIX bootstrap.
581 powerpc-*-aix* | rs6000-*-aix*)
582 noconfigdirs="$noconfigdirs target-libquadmath"
583 ;;
584esac
585
065a5627
JM		 586# Disable libssp for some systems.
587case "${target}" in
588 avr-*-*)
c5f5c3c2 589 # No hosted I/O support.
065a5627
JM		 590 noconfigdirs="$noconfigdirs target-libssp"
591 ;;
592 powerpc-*-aix* | rs6000-*-aix*)
593 noconfigdirs="$noconfigdirs target-libssp"
594 ;;
99c513f6 595 rl78-*-*)
202e2356
NC		 596 # libssp uses a misaligned load to trigger a fault, but the RL78
597 # doesn't fault for those - instead, it gives a build-time error
598 # for explicit misaligned loads.
99c513f6
DD		 599 noconfigdirs="$noconfigdirs target-libssp"
600 ;;
065a5627
JM		 601esac
602
065a5627 603# Disable libstdc++-v3 for some systems.
f66a9a70
L		 604# Allow user to override this if they pass --enable-libstdc++-v3
605if test "${ENABLE_LIBSTDCXX}" = "default" ; then
606 case "${target}" in
607 *-*-vxworks*)
608 # VxWorks uses the Dinkumware C++ library.
609 noconfigdirs="$noconfigdirs target-libstdc++-v3"
610 ;;
611 arm*-wince-pe*)
612 # the C++ libraries don't build on top of CE's C libraries
613 noconfigdirs="$noconfigdirs target-libstdc++-v3"
614 ;;
615 avr-*-*)
616 noconfigdirs="$noconfigdirs target-libstdc++-v3"
617 ;;
618 esac
619fi
065a5627
JM		 620
621# Disable Fortran for some systems.
622case "${target}" in
623 mmix-*-*)
624 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
625 unsupported_languages="$unsupported_languages fortran"
626 ;;
627esac
628
0827f9a6 629# Disable Java if libffi is not supported.
9863d716 630case "${target}" in
e7d5abf1
JBG		 631 aarch64-*-*)
632 ;;
0827f9a6
JM		 633 alpha*-*-*)
634 ;;
635 arm*-*-*)
636 ;;
637 cris-*-*)
638 ;;
639 frv-*-*)
640 ;;
641 hppa*-*-linux*)
642 ;;
643 hppa*-*-hpux*)
644 ;;
645 i?86-*-*)
646 ;;
647 ia64*-*-*)
648 ;;
649 m32r*-*-*)
650 ;;
651 m68k-*-*)
652 ;;
2479f722 653 mips*-*-rtems*)
0827f9a6
JM		 654 ;;
655 mips*-*-linux*)
656 ;;
657 powerpc*-*-linux*)
658 ;;
659 powerpc-*-darwin*)
660 ;;
661 powerpc-*-aix* | rs6000-*-aix*)
662 ;;
663 powerpc-*-freebsd*)
664 ;;
665 powerpc64-*-freebsd*)
666 ;;
667 powerpc*-*-rtems*)
9863d716 668 ;;
0827f9a6
JM		 669 s390-*-* | s390x-*-*)
670 ;;
671 sh-*-* | sh[[34]]*-*-*)
672 ;;
673 sh64-*-* | sh5*-*-*)
674 ;;
675 sparc*-*-*)
676 ;;
677 x86_64-*-*)
678 ;;
679 *-*-*)
680 unsupported_languages="$unsupported_languages java"
681 ;;
682esac
683
684# Disable Java, libgcj or related libraries for some systems.
685case "${target}" in
9863d716
JM		 686 powerpc-*-darwin*)
687 ;;
688 i[[3456789]]86-*-darwin*)
689 ;;
690 x86_64-*-darwin[[912]]*)
691 ;;
692 *-*-darwin*)
693 noconfigdirs="$noconfigdirs ${libgcj}"
694 ;;
9863d716
JM		 695 *-*-netware*)
696 noconfigdirs="$noconfigdirs ${libgcj}"
697 ;;
698 *-*-rtems*)
699 noconfigdirs="$noconfigdirs ${libgcj}"
700 ;;
701 *-*-tpf*)
702 noconfigdirs="$noconfigdirs ${libgcj}"
703 ;;
704 *-*-uclinux*)
705 noconfigdirs="$noconfigdirs ${libgcj}"
706 ;;
707 *-*-vxworks*)
708 noconfigdirs="$noconfigdirs ${libgcj}"
709 ;;
9863d716
JM		 710 alpha*-*-*vms*)
711 noconfigdirs="$noconfigdirs ${libgcj}"
712 ;;
0827f9a6 713 arm-wince-pe)
9863d716
JM		 714 noconfigdirs="$noconfigdirs ${libgcj}"
715 ;;
9863d716
JM		 716 arm*-*-symbianelf*)
717 noconfigdirs="$noconfigdirs ${libgcj}"
718 ;;
9863d716 719 bfin-*-*)
9863d716
JM		 720 noconfigdirs="$noconfigdirs target-boehm-gc"
721 ;;
9863d716
JM		 722 cris-*-* | crisv32-*-*)
723 unsupported_languages="$unsupported_languages java"
724 case "${target}" in
725 *-*-linux*)
726 ;;
727 *) # See PR46792 regarding target-libffi.
728 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
729 esac
730 ;;
9863d716
JM		 731 hppa*64*-*-linux*)
732 # In this case, it's because the hppa64-linux target is for
733 # the kernel only at this point and has no libc, and thus no
734 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 735 unsupported_languages="$unsupported_languages java"
9863d716 736 ;;
82ae827f 737 hppa*64*-*-hpux*)
9863d716
JM		 738 noconfigdirs="$noconfigdirs ${libgcj}"
739 ;;
740 hppa*-hp-hpux11*)
741 ;;
82ae827f 742 hppa*-*-hpux*)
9863d716
JM		 743 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
744 # build on HP-UX 10.20.
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
9863d716
JM		 747 ia64*-*-*vms*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
9863d716
JM		 750 i[[3456789]]86-w64-mingw*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 i[[3456789]]86-*-mingw*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
755 ;;
756 x86_64-*-mingw*)
757 noconfigdirs="$noconfigdirs ${libgcj}"
758 ;;
9863d716
JM		 759 mmix-*-*)
760 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 761 ;;
762 powerpc-*-aix*)
763 # copied from rs6000-*-* entry
764 noconfigdirs="$noconfigdirs ${libgcj}"
765 ;;
9863d716
JM		 766 rs6000-*-aix*)
767 noconfigdirs="$noconfigdirs ${libgcj}"
768 ;;
9863d716
JM		 769 *-*-lynxos*)
770 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 771 ;;
9863d716
JM		 772esac
773
a413f71a
ILT		 774# Disable libgo for some systems where it is known to not work.
775# For testing, you can easily override this with --enable-libgo.
776if test x$enable_libgo = x; then
777 case "${target}" in
778 *-*-darwin*)
779 # PR 46986
780 noconfigdirs="$noconfigdirs target-libgo"
781 ;;
782 *-*-cygwin* | *-*-mingw*)
783 noconfigdirs="$noconfigdirs target-libgo"
784 ;;
785 *-*-aix*)
786 noconfigdirs="$noconfigdirs target-libgo"
787 ;;
788 esac
789fi
790
691bb5a1
DD		 791# Default libgloss CPU subdirectory.
792libgloss_dir="$target_cpu"
4b1cb4fe 793
ff46fb8f
JM		 794case "${target}" in
795 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
796 libgloss_dir=wince
797 ;;
f1dd87fc
YZ		 798 aarch64*-*-* )
799 libgloss_dir=aarch64
800 ;;
ff46fb8f
JM		 801 arm*-*-*)
802 libgloss_dir=arm
803 ;;
804 cris-*-* | crisv32-*-*)
805 libgloss_dir=cris
806 ;;
807 hppa*-*-*)
808 libgloss_dir=pa
809 ;;
810 i[[3456789]]86-*-*)
811 libgloss_dir=i386
812 ;;
813 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
814 libgloss_dir=m68hc11
815 ;;
816 m68*-*-* | fido-*-*)
817 libgloss_dir=m68k
818 ;;
819 mips*-*-*)
820 libgloss_dir=mips
821 ;;
822 powerpc*-*-*)
823 libgloss_dir=rs6000
824 ;;
825 sparc*-*-*)
826 libgloss_dir=sparc
827 ;;
828esac
829
c7e4b184 830# Disable newlib and libgloss for various target OSes.
252b5132 831case "${target}" in
c7e4b184
JM		 832 alpha*-dec-osf*)
833 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
834 ;;
835 i[[3456789]]86-*-linux*)
836 # This section makes it possible to build newlib natively on linux.
837 # If we are using a cross compiler then don't configure newlib.
838 if test x${is_cross_compiler} != xno ; then
839 noconfigdirs="$noconfigdirs target-newlib"
840 fi
841 noconfigdirs="$noconfigdirs target-libgloss"
842 # If we are not using a cross compiler, do configure newlib.
843 # Note however, that newlib will only be configured in this situation
844 # if the --with-newlib option has been given, because otherwise
845 # 'target-newlib' will appear in skipdirs.
846 ;;
847 i[[3456789]]86-*-rdos*)
848 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
849 ;;
850 sh*-*-pe|mips*-*-pe|arm-wince-pe)
851 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
852 ;;
853 sparc-*-sunos4*)
854 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
855 ;;
856 *-*-aix*)
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 ;;
859 *-*-beos*)
860 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 ;;
75205f78 862 *-*-chorusos)
b2f14e4a 863 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 864 ;;
c7e4b184
JM		 865 *-*-dragonfly*)
866 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 ;;
868 *-*-freebsd*)
869 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 ;;
871 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 ;;
874 *-*-lynxos*)
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 876 ;;
c7e4b184
JM		 877 *-*-mingw*)
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 ;;
880 *-*-netbsd*)
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 ;;
883 *-*-netware*)
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 ;;
886 *-*-tpf*)
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 ;;
889 *-*-uclinux*)
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 ;;
892 *-*-vxworks*)
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 ;;
895esac
896
897case "${target}" in
898 *-*-chorusos)
899 ;;
24741ab2 900 powerpc-*-darwin*)
9d39db92 901 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 902 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 903 ;;
85bd1942
TG		 904 i[[3456789]]86-*-darwin*)
905 noconfigdirs="$noconfigdirs ld gprof"
906 noconfigdirs="$noconfigdirs sim target-rda"
907 ;;
e8a5fa9c 908 x86_64-*-darwin[[912]]*)
652dec25
TG		 909 noconfigdirs="$noconfigdirs ld gas gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
911 ;;
04d1ab34 912 *-*-darwin*)
d320aacb 913 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 914 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 915 ;;
5b806d27 916 *-*-dragonfly*)
5b806d27 917 ;;
de0b4a87 918 *-*-freebsd*)
4b1cb4fe
DD		 919 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
920 && test -f /usr/local/include/gmp.h; then
921 with_gmp=/usr/local
922 fi
4b1cb4fe 923 ;;
f8a495c8
NC		 924 *-*-kaos*)
925 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 926 noconfigdirs="$noconfigdirs target-libgloss"
927 ;;
e82380cc 928 *-*-netbsd*)
e82380cc 929 ;;
2a3124ca 930 *-*-netware*)
252b5132
RH		 931 ;;
932 *-*-rtems*)
9863d716 933 noconfigdirs="$noconfigdirs target-libgloss"
1f995db6
JS		 934 # this is not caught below because this stanza matches earlier
935 case $target in
936 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
937 esac
252b5132 938 ;;
1587117a
EC		 939 # The tpf target doesn't support gdb yet.
940 *-*-tpf*)
c7e4b184 941 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 942 ;;
c1968181 943 *-*-uclinux*)
c7e4b184 944 noconfigdirs="$noconfigdirs target-rda"
c1968181 945 ;;
252b5132 946 *-*-vxworks*)
252b5132
RH		 947 ;;
948 alpha*-dec-osf*)
e99daf2b 949 # ld works, but does not support shared libraries.
252b5132 950 # gas doesn't generate exception information.
c7e4b184 951 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 952 ;;
953 alpha*-*-*vms*)
9863d716 954 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 955 ;;
252b5132
RH		 956 alpha*-*-*)
957 # newlib is not 64 bit ready
9863d716 958 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 959 ;;
2fb651f6 960 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 961 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 962 ;;
f4cfb980 963 arc-*-*|arceb-*-*)
782cb41f 964 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 965 ;;
966 arm-*-pe*)
9863d716 967 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 968 ;;
252b5132 969 arm-*-riscix*)
b2f14e4a 970 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 971 ;;
8e71395b
L		 972 avr-*-rtems*)
973 ;;
974 avr-*-*)
975 if test x${with_avrlibc} != xno; then
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 fi
978 ;;
ff72e302 979 c4x-*-* | tic4x-*-*)
b2f14e4a 980 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 981 ;;
b2f14e4a
JM		 982 tic54x-*-*)
983 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 984 ;;
252b5132 985 d10v-*-*)
b2f14e4a 986 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 987 ;;
252b5132 988 d30v-*-*)
b2f14e4a 989 noconfigdirs="$noconfigdirs gdb"
252b5132 990 ;;
252b5132 991 fr30-*-elf*)
9863d716 992 noconfigdirs="$noconfigdirs gdb"
252b5132 993 ;;
20135e4c 994 moxie-*-*)
20135e4c
NC		 995 noconfigdirs="$noconfigdirs gprof"
996 ;;
dd1e52a4 997 h8300*-*-*)
9863d716 998 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 999 ;;
252b5132 1000 h8500-*-*)
b2f14e4a 1001 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1002 ;;
caeba88f 1003 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1004 ;;
93cc359e 1005 hppa*64*-*-linux*)
252b5132 1006 ;;
f0ff0f90 1007 hppa*-*-linux*)
5dcac624 1008 ;;
252b5132 1009 hppa*-*-*elf* | \
09e90eb4 1010 hppa*-*-lites* | \
17240c1f 1011 hppa*-*-openbsd* | \
09e90eb4 1012 hppa*64*-*-*)
4f0ef2d8
CD		 1013 ;;
1014 hppa*-hp-hpux11*)
0377a422 1015 noconfigdirs="$noconfigdirs ld"
252b5132 1016 ;;
691bb5a1 1017 hppa*-*-pro*)
691bb5a1 1018 ;;
252b5132 1019 hppa*-*-*)
9863d716 1020 noconfigdirs="$noconfigdirs ld"
252b5132 1021 ;;
b07c2aad 1022 i960-*-*)
b2f14e4a 1023 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1024 ;;
2315914d
JW		 1025 ia64*-*-elf*)
1026 # No gdb support yet.
0377a422 1027 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1028 ;;
a0c1c920 1029 ia64*-**-hpux*)
92c9a463 1030 # No ld support yet.
9863d716 1031 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 1032 ;;
19e99079 1033 ia64*-*-*vms*)
7ec59b9e
L		 1034 # No ld support yet.
1035 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1036 ;;
1f53ca9a 1037 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1038 ;;
1039 i[[3456789]]86-*-mingw*)
45055374 1040 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1041 ;;
252b5132
RH		 1042 *-*-cygwin*)
1043 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1044 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1045 # always build newlib if winsup directory is present.
45055374 1046 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1047 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1048 elif test -d "$srcdir/newlib"; then
45055374 1049 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1050 fi
1f53ca9a 1051 ;;
ec11bdc6 1052 i[[3456789]]86-*-pe)
782cb41f 1053 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1054 ;;
ec11bdc6 1055 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1056 # The linker does not yet know about weak symbols in COFF,
1057 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1058 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1059 ;;
ec11bdc6 1060 i[[3456789]]86-*-sco*)
b2f14e4a 1061 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1062 ;;
cff32a7c 1063 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1064 noconfigdirs="$noconfigdirs target-libgloss"
1065 ;;
ec11bdc6 1066 i[[3456789]]86-*-sysv4*)
b2f14e4a 1067 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1068 ;;
ec11bdc6 1069 i[[3456789]]86-*-beos*)
c7e4b184 1070 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1071 ;;
b59bea8a 1072 i[[3456789]]86-*-rdos*)
c7e4b184 1073 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1074 ;;
75205f78 1075 mmix-*-*)
9863d716 1076 noconfigdirs="$noconfigdirs gdb"
75205f78 1077 ;;
4970f871 1078 mt-*-*)
cdb9b172
AH		 1079 noconfigdirs="$noconfigdirs sim"
1080 ;;
252b5132
RH		 1081 powerpc-*-aix*)
1082 # copied from rs6000-*-* entry
c7e4b184 1083 noconfigdirs="$noconfigdirs gprof"
252b5132 1084 ;;
93cc359e 1085 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1086 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1087 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1088 # always build newlib.
1089 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1090 ;;
1091 # This is temporary until we can link against shared libraries
1092 powerpcle-*-solaris*)
b2f14e4a 1093 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1094 ;;
1095 powerpc-*-beos*)
c7e4b184 1096 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1097 ;;
1098 rs6000-*-lynxos*)
c7e4b184 1099 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1100 ;;
1101 rs6000-*-aix*)
c7e4b184 1102 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1103 ;;
1104 rs6000-*-*)
9863d716 1105 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1106 ;;
1107 m68k-apollo-*)
b2f14e4a 1108 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1109 ;;
25a07265 1110 microblaze*)
9863d716 1111 noconfigdirs="$noconfigdirs gprof"
25a07265 1112 ;;
a9d58c06 1113 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS		 1114 if test x$with_newlib = xyes; then
1115 noconfigdirs="$noconfigdirs gprof"
1116 fi
5bd8be13 1117 ;;
252b5132 1118 mips*-*-irix5*)
b2f14e4a 1119 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1120 ;;
1121 mips*-*-irix6*)
9863d716 1122 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1123 ;;
252b5132 1124 mips*-*-bsd*)
e8044f35 1125 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1126 ;;
fad93c55 1127 mips*-*-linux*)
fad93c55 1128 ;;
e8044f35
RS		 1129 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1130 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1131 noconfigdirs="$noconfigdirs ld gas gprof"
1132 ;;
252b5132 1133 mips*-*-*)
9863d716 1134 noconfigdirs="$noconfigdirs gprof"
252b5132 1135 ;;
b25b5cef
CJW		 1136 nds32*-*-*)
1137 noconfigdirs="$noconfigdirs gdb"
1138 ;;
cfbc1a6c
JS		 1139 or1k*-*-*)
1140 noconfigdirs="$noconfigdirs gdb"
1141 ;;
dbf85af7 1142 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1143 case "${target}" in
1144 sh*-*-elf)
9863d716 1145 ;;
e8a5fa9c 1146 *)
9863d716 1147 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1148 esac
252b5132 1149 ;;
252b5132 1150 sparc-*-sunos4*)
c7e4b184 1151 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1152 use_gnu_ld=no
1153 fi
1154 ;;
619a3713 1155 tic6x-*-*)
40ae9136 1156 noconfigdirs="$noconfigdirs sim"
619a3713 1157 ;;
68d122bb 1158 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC		 1159 noconfigdirs="$noconfigdirs sim"
1160 ;;
252b5132 1161 v810-*-*)
b2f14e4a 1162 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1163 ;;
1164 vax-*-*)
9863d716 1165 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1166 ;;
252b5132
RH		 1167esac
1168
1169# If we aren't building newlib, then don't build libgloss, since libgloss
1170# depends upon some newlib header files.
1171case "${noconfigdirs}" in
1172 *target-libgloss*) ;;
1173 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1174esac
252b5132 1175
f48556b1 1176# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1177host_makefile_frag=/dev/null
f48556b1
DD		 1178if test -d ${srcdir}/config ; then
1179case "${host}" in
ec11bdc6 1180 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1181 host_makefile_frag="config/mh-djgpp"
1182 ;;
1183 *-cygwin*)
e33b51a6 1184 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1185 host_makefile_frag="config/mh-cygwin"
1186 ;;
8a1599ab 1187 *-mingw*)
84e7906e 1188 host_makefile_frag="config/mh-mingw"
80f6dcbc 1189 ;;
da888c87 1190 hppa*-hp-hpux10*)
da888c87 1191 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1192 ;;
3516a403 1193 hppa*-hp-hpux*)
da888c87
PB		 1194 host_makefile_frag="config/mh-pa"
1195 ;;
7ec59b9e 1196 hppa*-*)
da888c87
PB		 1197 host_makefile_frag="config/mh-pa"
1198 ;;
e552509b
ILT		 1199 *-*-darwin*)
1200 host_makefile_frag="config/mh-darwin"
0df3d27f 1201 ;;
f6d183c0
PB		 1202 powerpc-*-aix*)
1203 host_makefile_frag="config/mh-ppc-aix"
1204 ;;
1205 rs6000-*-aix*)
1206 host_makefile_frag="config/mh-ppc-aix"
1207 ;;
f48556b1
DD		 1208esac
1209fi
1210
9e07f89d 1211if test "${build}" != "${host}" ; then
b5714970
PB		 1212 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1213 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1214 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1215 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1216 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1217 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1218 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1219 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1220 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1221 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1222 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1223 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1224 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1225else
b5714970
PB		 1226 AR_FOR_BUILD="\$(AR)"
1227 AS_FOR_BUILD="\$(AS)"
9e07f89d 1228 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1229 CXX_FOR_BUILD="\$(CXX)"
1230 GCJ_FOR_BUILD="\$(GCJ)"
1231 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1232 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1233 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1234 LD_FOR_BUILD="\$(LD)"
1235 NM_FOR_BUILD="\$(NM)"
1236 RANLIB_FOR_BUILD="\$(RANLIB)"
1237 WINDRES_FOR_BUILD="\$(WINDRES)"
1238 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1239fi
9e07f89d 1240
24ff9987
DJ		 1241AC_PROG_CC
1242AC_PROG_CXX
1243
1244# We must set the default linker to the linker used by gcc for the correct
1245# operation of libtool. If LD is not defined and we are using gcc, try to
1246# set the LD default to the ld used by gcc.
1247if test -z "$LD"; then
1248 if test "$GCC" = yes; then
1249 case $build in
1250 *-*-mingw*)
1251 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1252 *)
1253 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1254 esac
1255 case $gcc_prog_ld in
1256 # Accept absolute paths.
1257 [[\\/]* | [A-Za-z]:[\\/]*)]
1258 LD="$gcc_prog_ld" ;;
1259 esac
1260 fi
9e07f89d
NN		 1261fi
1262
b3676d82
EB		 1263# Check whether -static-libstdc++ -static-libgcc is supported.
1264have_static_libs=no
1265if test "$GCC" = yes; then
1266 saved_LDFLAGS="$LDFLAGS"
1267
1268 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1269 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1270 AC_LANG_PUSH(C++)
a882be68
EB		 1271 AC_LINK_IFELSE([
1272#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1273#error -static-libstdc++ not implemented
1274#endif
1275int main() {}],
b3676d82
EB		 1276 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1277 [AC_MSG_RESULT([no])])
1278 AC_LANG_POP(C++)
1279
1280 LDFLAGS="$saved_LDFLAGS"
1281fi
1282
9e07f89d 1283ACX_PROG_GNAT
b8908782 1284ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1285
ffdd6afc
ILT		 1286AC_ARG_ENABLE([bootstrap],
1287[AS_HELP_STRING([--enable-bootstrap],
1288 [enable bootstrapping @<:@yes if native build@:>@])],,
1289enable_bootstrap=default)
1290
1291# Issue errors and warnings for invalid/strange bootstrap combinations.
1292if test -r $srcdir/gcc/configure; then
1293 have_compiler=yes
1294else
1295 have_compiler=no
1296fi
1297
1298case "$have_compiler:$host:$target:$enable_bootstrap" in
1299 *:*:*:no) ;;
1300
1301 # Default behavior. Enable bootstrap if we have a compiler
1302 # and we are in a native configuration.
1303 yes:$build:$build:default)
1304 enable_bootstrap=yes ;;
1305
1306 *:*:*:default)
1307 enable_bootstrap=no ;;
1308
1309 # We have a compiler and we are in a native configuration, bootstrap is ok
1310 yes:$build:$build:yes)
1311 ;;
1312
1313 # Other configurations, but we have a compiler. Assume the user knows
1314 # what he's doing.
1315 yes:*:*:yes)
1316 AC_MSG_WARN([trying to bootstrap a cross compiler])
1317 ;;
1318
1319 # No compiler: if they passed --enable-bootstrap explicitly, fail
1320 no:*:*:yes)
1321 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1322
1323 # Fail if wrong command line
1324 *)
1325 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1326 ;;
1327esac
1328
d5f2ee2e
KG		 1329# Used for setting $lt_cv_objdir
1330_LT_CHECK_OBJDIR
1331
e8a5fa9c 1332# Check for GMP, MPFR and MPC
d9b76ff9 1333gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1334gmpinc=
4b900473 1335have_gmp=no
e8a5fa9c
RW		 1336
1337# Specify a location for mpc
1338# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1339AC_ARG_WITH(mpc,
1340[AS_HELP_STRING([--with-mpc=PATH],
1341 [specify prefix directory for installed MPC package.
1342 Equivalent to --with-mpc-include=PATH/include
1343 plus --with-mpc-lib=PATH/lib])])
1344AC_ARG_WITH(mpc-include,
1345[AS_HELP_STRING([--with-mpc-include=PATH],
1346 [specify directory for installed MPC include files])])
1347AC_ARG_WITH(mpc-lib,
1348[AS_HELP_STRING([--with-mpc-lib=PATH],
1349 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1350
1351if test "x$with_mpc" != x; then
d9b76ff9
KG		 1352 gmplibs="-L$with_mpc/lib $gmplibs"
1353 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1354fi
1355if test "x$with_mpc_include" != x; then
d9b76ff9 1356 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1357fi
1358if test "x$with_mpc_lib" != x; then
d9b76ff9 1359 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1360fi
1361if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1362 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1363 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1364 # Do not test the mpc version. Assume that it is sufficient, since
1365 # it is in the source tree, and the library has not been built yet
1366 # but it would be included on the link line in the version check below
1367 # hence making the test fail.
d9b76ff9 1368 have_gmp=yes
e8a5fa9c 1369fi
4b900473 1370
11b04d1f
DD		 1371# Specify a location for mpfr
1372# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1373AC_ARG_WITH(mpfr-dir,
1374[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1375[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1376Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1377
1378AC_ARG_WITH(mpfr,
1379[AS_HELP_STRING([--with-mpfr=PATH],
1380 [specify prefix directory for installed MPFR package.
1381 Equivalent to --with-mpfr-include=PATH/include
1382 plus --with-mpfr-lib=PATH/lib])])
1383AC_ARG_WITH(mpfr-include,
1384[AS_HELP_STRING([--with-mpfr-include=PATH],
1385 [specify directory for installed MPFR include files])])
1386AC_ARG_WITH(mpfr-lib,
1387[AS_HELP_STRING([--with-mpfr-lib=PATH],
1388 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1389
1390if test "x$with_mpfr" != x; then
1391 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1392 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1393fi
8a0d8a5c 1394if test "x$with_mpfr_include" != x; then
d9b76ff9 1395 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1396fi
1397if test "x$with_mpfr_lib" != x; then
1398 gmplibs="-L$with_mpfr_lib $gmplibs"
1399fi
4b900473 1400if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1401 # MPFR v3.1.0 moved the sources into a src sub-directory.
1402 if test -d ${srcdir}/mpfr/src; then
1403 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1404 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1405 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1406 else
1407 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1408 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1409 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1410 fi
4b900473
PB		 1411 # Do not test the mpfr version. Assume that it is sufficient, since
1412 # it is in the source tree, and the library has not been built yet
1413 # but it would be included on the link line in the version check below
1414 # hence making the test fail.
1415 have_gmp=yes
1416fi
11b04d1f 1417
4b1cb4fe 1418# Specify a location for gmp
7837304f
AS		 1419AC_ARG_WITH(gmp-dir,
1420[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1421[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1422Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1423
1424AC_ARG_WITH(gmp,
1425[AS_HELP_STRING([--with-gmp=PATH],
1426 [specify prefix directory for the installed GMP package.
1427 Equivalent to --with-gmp-include=PATH/include
1428 plus --with-gmp-lib=PATH/lib])])
1429AC_ARG_WITH(gmp-include,
1430[AS_HELP_STRING([--with-gmp-include=PATH],
1431 [specify directory for installed GMP include files])])
1432AC_ARG_WITH(gmp-lib,
1433[AS_HELP_STRING([--with-gmp-lib=PATH],
1434 [specify directory for the installed GMP library])])
4b1cb4fe 1435
4b1cb4fe 1436
11b04d1f
DD		 1437if test "x$with_gmp" != x; then
1438 gmplibs="-L$with_gmp/lib $gmplibs"
1439 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1440fi
8a0d8a5c
PB		 1441if test "x$with_gmp_include" != x; then
1442 gmpinc="-I$with_gmp_include $gmpinc"
1443fi
1444if test "x$with_gmp_lib" != x; then
1445 gmplibs="-L$with_gmp_lib $gmplibs"
1446fi
4b900473 1447if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1448 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1449 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1450 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1451 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1452 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1453 # Do not test the gmp version. Assume that it is sufficient, since
1454 # it is in the source tree, and the library has not been built yet
1455 # but it would be included on the link line in the version check below
1456 # hence making the test fail.
1457 have_gmp=yes
1458fi
4b1cb4fe 1459
ceb92e78 1460if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1461 have_gmp=yes
1462 saved_CFLAGS="$CFLAGS"
1463 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1464 # Check for the recommended and required versions of GMP.
1465 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1466 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1467 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1468 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1469 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1470 choke me
4b900473 1471 #endif
a009f2e7 1472 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1473 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1474 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1475 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1476 choke me
1477 #endif
a009f2e7 1478 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1479 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1480
e8a5fa9c 1481 # If we have GMP, check the MPFR version.
4b900473 1482 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1483 # Check for the recommended and required versions of MPFR.
1484 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1485 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1486 #include <mpfr.h>],[
7ec59b9e 1487 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1488 choke me
1489 #endif
a009f2e7 1490 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1491 #include <mpfr.h>],[
a6b5846e 1492 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1493 choke me
1494 #endif
a009f2e7 1495 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1496 [AC_MSG_RESULT([no]); have_gmp=no])
1497 fi
1498
1499 # Check for the MPC header version.
d9b76ff9 1500 if test x"$have_gmp" = xyes ; then
a6b5846e 1501 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1502 AC_MSG_CHECKING([for the correct version of mpc.h])
1503 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1504 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1505 choke me
1506 #endif
a009f2e7 1507 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1508 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1509 choke me
1510 #endif
a009f2e7 1511 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1512 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1513 fi
1514
1515 # Now check the MPFR library.
1516 if test x"$have_gmp" = xyes; then
1517 saved_LIBS="$LIBS"
1518 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1519 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1520 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1521 mpfr_t n;
1522 mpfr_t x;
d9b76ff9 1523 mpc_t c;
4b900473 1524 int t;
a3ca38d2
DD		 1525 mpfr_init (n);
1526 mpfr_init (x);
4b900473
PB		 1527 mpfr_atan2 (n, n, x, GMP_RNDN);
1528 mpfr_erfc (n, x, GMP_RNDN);
1529 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1530 mpfr_clear(n);
1531 mpfr_clear(x);
1532 mpc_init2 (c, 53);
1533 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1534 mpc_cosh (c, c, MPC_RNDNN);
1535 mpc_pow (c, c, c, MPC_RNDNN);
1536 mpc_acosh (c, c, MPC_RNDNN);
1537 mpc_clear (c);
e8a5fa9c
RW		 1538 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1539 LIBS="$saved_LIBS"
4b900473 1540 fi
e8a5fa9c 1541
4b900473 1542 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1543
a6b5846e
KG		 1544# The library versions listed in the error message below should match
1545# the HARD-minimums enforced above.
4b900473 1546 if test x$have_gmp != xyes; then
7ec59b9e 1547 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1548Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1549their locations. Source code for these libraries can be found at
1550their respective hosting sites as well as at
1551ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1552http://gcc.gnu.org/install/prerequisites.html for additional info. If
1553you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1554make sure that you have installed both the libraries and the header
1555files. They may be located in separate packages.])
4b900473 1556 fi
9dbaa842
DD		 1557fi
1558
e8a5fa9c 1559# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1560AC_SUBST(gmplibs)
1561AC_SUBST(gmpinc)
e8a5fa9c
RW		 1562AC_SUBST(extra_mpfr_configure_flags)
1563AC_SUBST(extra_mpc_gmp_configure_flags)
1564AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1565AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1566
29383458 1567# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1568AC_ARG_WITH(host-libstdcxx,
1569[AS_HELP_STRING([--with-host-libstdcxx=L],
1570 [use linker arguments L to link with libstdc++
1571 when linking with PPL])])
29383458
JM		 1572
1573case $with_host_libstdcxx in
1574 no|yes)
1575 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1576 ;;
1577esac
e28c595f 1578
e8a5fa9c
RW		 1579# Libraries to use for stage1 or when not bootstrapping.
1580AC_ARG_WITH(stage1-libs,
7837304f 1581[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1582[if test "$withval" = "no" -o "$withval" = "yes"; then
1583 stage1_libs=
1584 else
1585 stage1_libs=$withval
1586 fi],
1587[stage1_libs=$with_host_libstdcxx])
1588AC_SUBST(stage1_libs)
1589
b3676d82
EB		 1590# Linker flags to use for stage1 or when not bootstrapping.
1591AC_ARG_WITH(stage1-ldflags,
1592[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1593[if test "$withval" = "no" -o "$withval" = "yes"; then
1594 stage1_ldflags=
1595 else
1596 stage1_ldflags=$withval
1597 fi],
1598[stage1_ldflags=
1599 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1600 # if supported. But if the user explicitly specified the libraries to use,
1601 # trust that they are doing what they want.
1602 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1603 stage1_ldflags="-static-libstdc++ -static-libgcc"
1604 fi])
1605AC_SUBST(stage1_ldflags)
1606
e8a5fa9c
RW		 1607# Libraries to use for stage2 and later builds. This defaults to the
1608# argument passed to --with-host-libstdcxx.
1609AC_ARG_WITH(boot-libs,
7837304f 1610[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1611[if test "$withval" = "no" -o "$withval" = "yes"; then
1612 poststage1_libs=
1613 else
1614 poststage1_libs=$withval
1615 fi],
1616[poststage1_libs=$with_host_libstdcxx])
1617AC_SUBST(poststage1_libs)
1618
143754cd
NC		 1619# Linker flags to use for stage2 and later builds.
1620AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1621[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1622 [linker flags for stage2 and later])],
143754cd
NC		 1623[if test "$withval" = "no" -o "$withval" = "yes"; then
1624 poststage1_ldflags=
1625 else
1626 poststage1_ldflags=$withval
1627 fi],
1628[poststage1_ldflags=
4f11b223
ILT		 1629 # In stages 2 and 3, default to linking libstdc++ and libgcc
1630 # statically. But if the user explicitly specified the libraries to
1631 # use, trust that they are doing what they want.
1632 if test "$poststage1_libs" = ""; then
143754cd
NC		 1633 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1634 fi])
1635AC_SUBST(poststage1_ldflags)
1636
8e71395b
L		 1637# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1638# Basic setup is inlined here, actual checks are in config/cloog.m4 and
1639# config/isl.m4
1640
1641AC_ARG_WITH(cloog,
1642 [AS_HELP_STRING(
1643 [--with-cloog=PATH],
1644 [Specify prefix directory for the installed CLooG-ISL package.
1645 Equivalent to --with-cloog-include=PATH/include
1646 plus --with-cloog-lib=PATH/lib])])
1647AC_ARG_WITH(isl,
1648 [AS_HELP_STRING(
1649 [--with-isl=PATH],
1650 [Specify prefix directory for the installed ISL package.
1651 Equivalent to --with-isl-include=PATH/include
1652 plus --with-isl-lib=PATH/lib])])
1653
1654# Treat either --without-cloog or --without-isl as a request to disable
1655# GRAPHITE support and skip all following checks.
1656if test "x$with_isl" != "xno" &&
1657 test "x$with_cloog" != "xno"; then
1658 # Check for ISL
1659 dnl Provide configure switches and initialize islinc & isllibs
1660 dnl with user input.
1661 ISL_INIT_FLAGS
3dae1673 1662 dnl The versions of ISL that work for Graphite
7ec59b9e 1663 ISL_CHECK_VERSION(0,10)
3dae1673
JBG		 1664 if test "${gcc_cv_isl}" = no ; then
1665 ISL_CHECK_VERSION(0,11)
b3fc79f8
JBG		 1666 if test "${gcc_cv_isl}" = no ; then
1667 ISL_CHECK_VERSION(0,12)
1668 fi
3dae1673 1669 fi
7ec59b9e
L		 1670 dnl Only execute fail-action, if ISL has been requested.
1671 ISL_IF_FAILED([
1672 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f 1673
8e71395b
L		 1674 if test "x$gcc_cv_isl" != "xno"; then
1675 # Check for CLOOG
1676 dnl Provide configure switches and initialize clooginc & clooglibs
1677 dnl with user input.
1678 CLOOG_INIT_FLAGS
3dae1673 1679 dnl The versions of CLooG that work for Graphite.
8e71395b 1680 CLOOG_CHECK_VERSION(0,17,0)
3dae1673
JBG		 1681 if test "${gcc_cv_cloog}" = no ; then
1682 CLOOG_CHECK_VERSION(0,18,0)
1683 fi
8e71395b
L		 1684
1685 dnl Only execute fail-action, if CLooG has been requested.
1686 CLOOG_IF_FAILED([
1687 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1688 fi
e28c595f
JM		 1689fi
1690
7ec59b9e
L		 1691# If either the ISL or the CLooG check failed, disable builds of in-tree
1692# variants of both
8e71395b
L		 1693if test "x$with_isl" = xno ||
1694 test "x$with_cloog" = xno ||
1695 test "x$gcc_cv_cloog" = xno ||
1696 test "x$gcc_cv_isl" = xno; then
7ec59b9e 1697 noconfigdirs="$noconfigdirs cloog isl"
8e71395b
L		 1698 islinc=
1699 clooginc=
1700 clooglibs=
7ec59b9e
L		 1701fi
1702
8e71395b
L		 1703AC_SUBST(islinc)
1704AC_SUBST(clooglibs)
1705AC_SUBST(clooginc)
1706
1707
700d40ca
ILT		 1708# Check for LTO support.
1709AC_ARG_ENABLE(lto,
7837304f 1710[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1711enable_lto=$enableval,
1712enable_lto=yes; default_enable_lto=yes)
1713
74cea91b
DK		 1714ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1715 build_lto_plugin=yes
1716],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1717 case $target in
899b04ef 1718 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1719 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1720 *) enable_lto=no ;;
1721 esac
e49e5c92 1722 else
29821356
RW		 1723 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1724 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1725 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1726 # warn during gcc/ subconfigure; unless you're bootstrapping with
1727 # -flto it won't be needed until after installation anyway.
1728 case $target in
a8eb3f0a 1729 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1730 *) if test x"$enable_lto" = x"yes"; then
1731 AC_MSG_ERROR([LTO support is not enabled for this target.])
1732 fi
1733 ;;
1734 esac
1735 fi
a8eb3f0a 1736 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1737 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1738 case $target in
74cea91b 1739 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1740 *) ;;
1741 esac
74cea91b 1742])
700d40ca 1743
e28c595f 1744
7ec59b9e 1745# By default, C and C++ are the only stage 1 languages.
9b134994 1746stage1_languages=,c,
1d39f329 1747
e8a5fa9c 1748# Target libraries that we bootstrap.
2aa2364a 1749bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1750
9e07f89d
NN		 1751# Figure out what language subdirectories are present.
1752# Look if the user specified --enable-languages="..."; if not, use
1753# the environment variable $LANGUAGES if defined. $LANGUAGES might
1754# go away some day.
1755# NB: embedded tabs in this IF block -- do not untabify
1756if test -d ${srcdir}/gcc; then
1757 if test x"${enable_languages+set}" != xset; then
1758 if test x"${LANGUAGES+set}" = xset; then
1759 enable_languages="${LANGUAGES}"
1760 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1761 else
1762 enable_languages=all
1763 fi
1764 else
1765 if test x"${enable_languages}" = x ||
1766 test x"${enable_languages}" = xyes;
1767 then
1768 echo configure.in: --enable-languages needs at least one language argument 1>&2
1769 exit 1
1770 fi
1771 fi
1772 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1773
096f7d00
DE		 1774 # 'f95' is the old name for the 'fortran' language. We issue a warning
1775 # and make the substitution.
1776 case ,${enable_languages}, in
1777 *,f95,*)
1778 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1779 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1780 ;;
1781 esac
1782
7ec59b9e
L		 1783 # If bootstrapping, C++ must be enabled.
1784 case ",$enable_languages,:$enable_bootstrap" in
1785 *,c++,*:*) ;;
1786 *:yes)
ffdd6afc
ILT		 1787 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1788 enable_languages="${enable_languages},c++"
1789 else
7ec59b9e 1790 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1791 fi
1792 ;;
1793 esac
1794
9e07f89d
NN		 1795 # First scan to see if an enabled language requires some other language.
1796 # We assume that a given config-lang.in will list all the language
1797 # front ends it requires, even if some are required indirectly.
1798 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1799 case ${lang_frag} in
1800 ..) ;;
1801 # The odd quoting in the next line works around
1802 # an apparent bug in bash 1.12 on linux.
1803 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1804 *)
e552509b
ILT		 1805 # From the config-lang.in, get $language, $lang_requires, and
1806 # $lang_requires_boot_languages.
9e07f89d
NN		 1807 language=
1808 lang_requires=
e552509b 1809 lang_requires_boot_languages=
9e07f89d 1810 . ${lang_frag}
e552509b 1811 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1812 case ,${enable_languages}, in
1813 *,$other,*) ;;
1814 *,all,*) ;;
1815 *,$language,*)
1816 echo " \`$other' language required by \`$language'; enabling" 1>&2
1817 enable_languages="${enable_languages},${other}"
1818 ;;
1819 esac
1820 done
e552509b
ILT		 1821 for other in ${lang_requires_boot_languages} ; do
1822 if test "$other" != "c"; then
1823 case ,${enable_stage1_languages}, in
1824 *,$other,*) ;;
1825 *,all,*) ;;
1826 *)
1827 case ,${enable_languages}, in
1828 *,$language,*)
1829 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1830 enable_stage1_languages="$enable_stage1_languages,${other}"
1831 ;;
1832 esac
1833 ;;
1834 esac
1835 fi
1836 done
9e07f89d
NN		 1837 ;;
1838 esac
1839 done
1840
9b134994 1841 new_enable_languages=,c,
700d40ca
ILT		 1842
1843 # If LTO is enabled, add the LTO front end.
1844 extra_host_libiberty_configure_flags=
1845 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1846 case ,${enable_languages}, in
1847 *,lto,*) ;;
1848 *) enable_languages="${enable_languages},lto" ;;
1849 esac
a8eb3f0a 1850 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1851 configdirs="$configdirs lto-plugin"
1852 extra_host_libiberty_configure_flags=--enable-shared
1853 fi
1854 fi
1855 AC_SUBST(extra_host_libiberty_configure_flags)
1856
9e07f89d 1857 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1858 potential_languages=,c,
9e07f89d 1859
9e1a94f4
ILT		 1860 enabled_target_libs=
1861 disabled_target_libs=
1862
9e07f89d
NN		 1863 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1864 case ${lang_frag} in
1865 ..) ;;
1866 # The odd quoting in the next line works around
1867 # an apparent bug in bash 1.12 on linux.
1868 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1869 *)
7ec59b9e 1870 # From the config-lang.in, get $language, $target_libs,
1d39f329 1871 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1872 language=
1873 target_libs=
1874 lang_dirs=
64ce424c 1875 subdir_requires=
9b134994
PB		 1876 boot_language=no
1877 build_by_default=yes
9e07f89d 1878 . ${lang_frag}
9b134994
PB		 1879 if test x${language} = x; then
1880 echo "${lang_frag} doesn't set \$language." 1>&2
1881 exit 1
1882 fi
1883
ffdd6afc 1884 if test "$language" = "c++"; then
7ec59b9e 1885 boot_language=yes
e8a5fa9c
RW		 1886 fi
1887
8e71395b 1888 add_this_lang=no
9b134994
PB		 1889 case ,${enable_languages}, in
1890 *,${language},*)
7ec59b9e
L		 1891 # Language was explicitly selected; include it
1892 # unless it is C, which is enabled by default.
1893 if test "$language" != "c"; then
1894 add_this_lang=yes
1895 fi
9e07f89d 1896 ;;
9b134994
PB		 1897 *,all,*)
1898 # 'all' was selected, select it if it is a default language
8e71395b
L		 1899 if test "$language" != "c"; then
1900 add_this_lang=${build_by_default}
1901 fi
9e07f89d
NN		 1902 ;;
1903 esac
4b1cb4fe 1904
64ce424c 1905 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1906 for i in $subdir_requires; do
3d3adb43 1907 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1908 case ,${enable_languages}, in
1909 *,${language},*)
1910 # Specifically requested language; tell them.
1911 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1912 ;;
1913 *)
1914 # Silently disable.
9b134994 1915 add_this_lang=unsupported
64ce424c
PB		 1916 ;;
1917 esac
1918 done
1919
9b134994
PB		 1920 # Disable Ada if no preexisting GNAT is available.
1921 case ,${enable_languages},:${language}:${have_gnat} in
1922 *,${language},*:ada:no)
1923 # Specifically requested language; tell them.
1924 AC_MSG_ERROR([GNAT is required to build $language])
1925 ;;
1926 *:ada:no)
1927 # Silently disable.
1928 add_this_lang=unsupported
1929 ;;
1930 esac
1931
59f7ec45
HPN		 1932 # Disable a language that is unsupported by the target.
1933 case " $unsupported_languages " in
1934 *" $language "*)
9b134994 1935 add_this_lang=unsupported
59f7ec45
HPN		 1936 ;;
1937 esac
1938
4b1cb4fe 1939 case $add_this_lang in
9b134994 1940 unsupported)
9e07f89d 1941 # Remove language-dependent dirs.
9e1a94f4
ILT		 1942 disabled_target_libs="$disabled_target_libs $target_libs"
1943 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1944 ;;
9b134994
PB		 1945 no)
1946 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1947 disabled_target_libs="$disabled_target_libs $target_libs"
1948 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1949 potential_languages="${potential_languages}${language},"
1950 ;;
1951 yes)
1952 new_enable_languages="${new_enable_languages}${language},"
1953 potential_languages="${potential_languages}${language},"
1d39f329 1954 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1955 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1956 case "${boot_language}:,$enable_stage1_languages," in
1957 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1958 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1959 case ",$stage1_languages," in
1960 *,$language,* | ,yes, | ,all,) ;;
1961 *) stage1_languages="${stage1_languages}${language}," ;;
1962 esac
e8a5fa9c
RW		 1963 # We need to bootstrap any supporting libraries.
1964 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1965 ;;
1966 esac
1967 ;;
9e07f89d
NN		 1968 esac
1969 ;;
1970 esac
1971 done
1972
9e1a94f4
ILT		 1973 # Add target libraries which are only needed for disabled languages
1974 # to noconfigdirs.
1975 if test -n "$disabled_target_libs"; then
1976 for dir in $disabled_target_libs; do
1977 case " $enabled_target_libs " in
1978 *" ${dir} "*) ;;
1979 *) noconfigdirs="$noconfigdirs $dir" ;;
1980 esac
1981 done
1982 fi
1983
9b134994 1984 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1985 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1986 [choose additional languages to build during
1987 stage1. Mostly useful for compiler development])],
9b134994
PB		 1988 [case ,${enable_stage1_languages}, in
1989 ,no,|,,)
1990 # Set it to something that will have no effect in the loop below
1991 enable_stage1_languages=c ;;
1992 ,yes,)
1993 enable_stage1_languages=`echo $new_enable_languages | \
1994 sed -e "s/^,//" -e "s/,$//" ` ;;
1995 *,all,*)
1996 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1997 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1998 esac
1999
2000 # Add "good" languages from enable_stage1_languages to stage1_languages,
2001 # while "bad" languages go in missing_languages. Leave no duplicates.
2002 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2003 case $potential_languages in
2004 *,$i,*)
2005 case $stage1_languages in
2006 *,$i,*) ;;
2007 *) stage1_languages="$stage1_languages$i," ;;
2008 esac ;;
2009 *)
2010 case $missing_languages in
2011 *,$i,*) ;;
2012 *) missing_languages="$missing_languages$i," ;;
2013 esac ;;
2014 esac
2015 done])
2016
2017 # Remove leading/trailing commas that were added for simplicity
2018 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2019 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2020 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2021 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2022
9e07f89d
NN		 2023 if test "x$missing_languages" != x; then
2024 AC_MSG_ERROR([
27258dd4 2025The following requested languages could not be built: ${missing_languages}
9b134994 2026Supported languages are: ${potential_languages}])
9e07f89d 2027 fi
9e07f89d
NN		 2028 if test "x$new_enable_languages" != "x$enable_languages"; then
2029 echo The following languages will be built: ${new_enable_languages}
9b134994 2030 enable_languages="$new_enable_languages"
9e07f89d 2031 fi
9b134994
PB		 2032
2033 AC_SUBST(stage1_languages)
81ec575a 2034 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2035fi
2036
a6df5a19
PB		 2037# Handle --disable-<component> generically.
2038for dir in $configdirs $build_configdirs $target_configdirs ; do
2039 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2040 varname=`echo $dirname | sed -e s/+/_/g`
2041 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2042 noconfigdirs="$noconfigdirs $dir"
2043 fi
2044done
2045
4f0ef2d8
CD		 2046# Check for Boehm's garbage collector
2047AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2048[AS_HELP_STRING([--enable-objc-gc],
2049 [enable use of Boehm's garbage collector with the
2050 GNU Objective-C runtime])],
4f0ef2d8
CD		 2051[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2052 *,objc,*:*:yes:*target-boehm-gc*)
2053 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2054 ;;
2055esac])
2056
2057# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2058case ,${enable_languages},:${enable_objc_gc} in
2059 *,objc,*:yes)
4f0ef2d8
CD		 2060 # Keep target-boehm-gc if requested for Objective-C.
2061 ;;
4f0ef2d8 2062 *)
d42c4017
DA		 2063 # Otherwise remove target-boehm-gc depending on target-libjava.
2064 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2065 noconfigdirs="$noconfigdirs target-boehm-gc"
2066 fi
4f0ef2d8
CD		 2067 ;;
2068esac
2069
95e43135 2070# Disable libitm, libsanitizer, libvtv if we're not building C++
7ec59b9e
L		 2071case ,${enable_languages}, in
2072 *,c++,*) ;;
2073 *)
9aaf2a7e 2074 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2075 ;;
2076esac
2077
caeba88f
AL		 2078# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2079# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2080# If we have the source for $noconfigdirs entries, add them to $notsupp.
2081
2082notsupp=""
2083for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2084 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2085 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2086 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2087 if test -r $srcdir/$dirname/configure ; then
2088 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2089 true
2090 else
2091 notsupp="$notsupp $dir"
2092 fi
2093 fi
2094 fi
caeba88f
AL		 2095 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2096 build_configdirs=`echo " ${build_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
9e07f89d
NN		 2105 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2106 target_configdirs=`echo " ${target_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
2115done
2116
9e07f89d
NN		 2117# Quietly strip out all directories which aren't configurable in this tree.
2118# This relies on all configurable subdirectories being autoconfiscated, which
2119# is now the case.
6a9cf61e
PB		 2120build_configdirs_all="$build_configdirs"
2121build_configdirs=
2122for i in ${build_configdirs_all} ; do
7ec59b9e 2123 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2124 if test -f ${srcdir}/$j/configure ; then
2125 build_configdirs="${build_configdirs} $i"
2126 fi
2127done
2128
9e07f89d
NN		 2129configdirs_all="$configdirs"
2130configdirs=
2131for i in ${configdirs_all} ; do
2132 if test -f ${srcdir}/$i/configure ; then
2133 configdirs="${configdirs} $i"
2134 fi
2135done
6a9cf61e 2136
9e07f89d
NN		 2137target_configdirs_all="$target_configdirs"
2138target_configdirs=
2139for i in ${target_configdirs_all} ; do
7ec59b9e 2140 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2141 if test -f ${srcdir}/$j/configure ; then
2142 target_configdirs="${target_configdirs} $i"
2143 fi
2144done
2145
2146# Produce a warning message for the subdirs we can't configure.
2147# This isn't especially interesting in the Cygnus tree, but in the individual
2148# FSF releases, it's important to let people know when their machine isn't
2149# supported by the one or two programs in a package.
2150
2151if test -n "${notsupp}" && test -z "${norecursion}" ; then
2152 # If $appdirs is non-empty, at least one of those directories must still
2153 # be configured, or we error out. (E.g., if the gas release supports a
2154 # specified target in some subdirs but not the gas subdir, we shouldn't
2155 # pretend that all is well.)
2156 if test -n "$appdirs" ; then
2157 for dir in $appdirs ; do
2158 if test -r $dir/Makefile.in ; then
2159 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2160 appdirs=""
2161 break
2162 fi
6a9cf61e 2163 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2164 appdirs=""
2165 break
2166 fi
2167 fi
2168 done
2169 if test -n "$appdirs" ; then
2170 echo "*** This configuration is not supported by this package." 1>&2
2171 exit 1
2172 fi
2173 fi
2174 # Okay, some application will build, or we don't care to check. Still
2175 # notify of subdirs not getting built.
2176 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2177 echo " ${notsupp}" 1>&2
2178 echo " (Any other directories should still work fine.)" 1>&2
2179fi
2180
2181case "$host" in
2182 *msdosdjgpp*)
2183 enable_gdbtk=no ;;
2184esac
2185
24ff9987
DJ		 2186# To find our prefix, in gcc_cv_tool_prefix.
2187ACX_TOOL_DIRS
2188
9e07f89d
NN		 2189copy_dirs=
2190
7ec59b9e 2191AC_ARG_WITH([build-sysroot],
7837304f
AS		 2192 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2193 [use sysroot as the system root during the build])],
a19b6204
MM		 2194 [if test x"$withval" != x ; then
2195 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2196 fi],
2197 [SYSROOT_CFLAGS_FOR_TARGET=])
2198AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2199
8a6ee3ab 2200AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2201 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2202 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2203 [if test x"$withval" != x; then
2204 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2205 for debug_map in $withval; do
2206 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2207 done
2208 fi],
2209 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2210AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2211
7f6ef0c0
PB		 2212# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2213# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2214# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2215# We want to ensure that TARGET libraries (which we know are built with
2216# gcc) are built with "-O2 -g", so include those options when setting
2217# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2218if test "x$CFLAGS_FOR_TARGET" = x; then
2219 CFLAGS_FOR_TARGET=$CFLAGS
2220 case " $CFLAGS " in
2221 *" -O2 "*) ;;
68f107fa 2222 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2223 esac
2224 case " $CFLAGS " in
2225 *" -g "* | *" -g3 "*) ;;
68f107fa 2226 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2227 esac
2228fi
2229AC_SUBST(CFLAGS_FOR_TARGET)
2230
2231if test "x$CXXFLAGS_FOR_TARGET" = x; then
2232 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2233 case " $CXXFLAGS " in
2234 *" -O2 "*) ;;
68f107fa 2235 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2236 esac
2237 case " $CXXFLAGS " in
2238 *" -g "* | *" -g3 "*) ;;
68f107fa 2239 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2240 esac
2241fi
2242AC_SUBST(CXXFLAGS_FOR_TARGET)
2243
91c1f14c
DK		 2244AC_SUBST(LDFLAGS_FOR_TARGET)
2245
9e07f89d
NN		 2246# Handle --with-headers=XXX. If the value is not "yes", the contents of
2247# the named directory are copied to $(tooldir)/sys-include.
2248if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2249 if test x${is_cross_compiler} = xno ; then
2250 echo 1>&2 '***' --with-headers is only supported when cross compiling
2251 exit 1
2252 fi
2253 if test x"${with_headers}" != xyes ; then
24ff9987 2254 x=${gcc_cv_tool_prefix}
c6b750e1 2255 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2256 fi
2257fi
2258
2259# Handle --with-libs=XXX. If the value is not "yes", the contents of
2260# the name directories are copied to $(tooldir)/lib. Multiple directories
2261# are permitted.
2262if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2263 if test x${is_cross_compiler} = xno ; then
2264 echo 1>&2 '***' --with-libs is only supported when cross compiling
2265 exit 1
2266 fi
2267 if test x"${with_libs}" != xyes ; then
2268 # Copy the libraries in reverse order, so that files in the first named
2269 # library override files in subsequent libraries.
24ff9987 2270 x=${gcc_cv_tool_prefix}
9e07f89d 2271 for l in ${with_libs}; do
c6b750e1 2272 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2273 done
2274 fi
2275fi
2276
700d40ca 2277# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2278#
2279# This is done by determining whether or not the appropriate directory
2280# is available, and by checking whether or not specific configurations
2281# have requested that this magic not happen.
7ec59b9e
L		 2282#
2283# The command line options always override the explicit settings in
2429c060
PB		 2284# configure.in, and the settings in configure.in override this magic.
2285#
7ec59b9e 2286# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2287# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2288# --without-gnu-ld options for the configure script. Similarly, if
2289# the default is to use the included zlib and you don't want to do that,
2290# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2291
2292if test x${use_gnu_as} = x &&
2293 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2294 with_gnu_as=yes
2295 extra_host_args="$extra_host_args --with-gnu-as"
2296fi
2297
2298if test x${use_gnu_ld} = x &&
93f9b408 2299 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2300 with_gnu_ld=yes
2301 extra_host_args="$extra_host_args --with-gnu-ld"
2302fi
2303
700d40ca
ILT		 2304if test x${use_included_zlib} = x &&
2305 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2306 :
2307else
2308 with_system_zlib=yes
2309 extra_host_args="$extra_host_args --with-system-zlib"
2310fi
2311
2429c060
PB		 2312# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2313# can detect this case.
2314
2315if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2316 with_newlib=yes
2317 extra_host_args="$extra_host_args --with-newlib"
2318fi
2319
9e07f89d
NN		 2320# Handle ${copy_dirs}
2321set fnord ${copy_dirs}
2322shift
2323while test $# != 0 ; do
2324 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2325 :
2326 else
2327 echo Copying $1 to $2
2328
2329 # Use the install script to create the directory and all required
2330 # parent directories.
2331 if test -d $2 ; then
2332 :
2333 else
2334 echo >config.temp
2335 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2336 fi
2337
2338 # Copy the directory, assuming we have tar.
2339 # FIXME: Should we use B in the second tar? Not all systems support it.
2340 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2341
2342 # It is the responsibility of the user to correctly adjust all
2343 # symlinks. If somebody can figure out how to handle them correctly
2344 # here, feel free to add the code.
2345
2346 echo $1 > $2/COPIED
2347 fi
2348 shift; shift
2349done
2350
2429c060
PB		 2351# Determine a target-dependent exec_prefix that the installed
2352# gcc will search in. Keep this list sorted by triplet, with
2353# the *-*-osname triplets last.
2354md_exec_prefix=
2355case "${target}" in
521ec477 2356 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2357 md_exec_prefix=/dev/env/DJDIR/bin
2358 ;;
2429c060 2359 *-*-hpux* | \
2429c060 2360 *-*-nto-qnx* | \
1f111696 2361 *-*-solaris2*)
2429c060
PB		 2362 md_exec_prefix=/usr/ccs/bin
2363 ;;
2364esac
2365
874e38b4
NN		 2366extra_arflags_for_target=
2367extra_nmflags_for_target=
1086bc09 2368extra_ranlibflags_for_target=
a0da8069 2369target_makefile_frag=/dev/null
f48556b1 2370case "${target}" in
77d7106f
AM		 2371 spu-*-*)
2372 target_makefile_frag="config/mt-spu"
2373 ;;
a9d58c06 2374 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2375 target_makefile_frag="config/mt-sde"
2376 ;;
f3b1e08e
RS		 2377 mipsisa*-*-elfoabi*)
2378 target_makefile_frag="config/mt-mips-elfoabi"
2379 ;;
e7c8859c
RS		 2380 mips*-*-*linux* | mips*-*-gnu*)
2381 target_makefile_frag="config/mt-mips-gnu"
2382 ;;
d9e042ac
SL		 2383 nios2-*-elf*)
2384 target_makefile_frag="config/mt-nios2-elf"
2385 ;;
29383458 2386 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2387 target_makefile_frag="config/mt-gnu"
f48556b1 2388 ;;
a0da8069 2389 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2390 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2391 # commands to handle both 32-bit and 64-bit objects. These flags are
2392 # harmless if we're using GNU nm or ar.
2393 extra_arflags_for_target=" -X32_64"
2394 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2395 ;;
b6f83f2a
DD		 2396esac
2397
a0da8069 2398alphaieee_frag=/dev/null
b6f83f2a
DD		 2399case $target in
2400 alpha*-*-*)
2401 # This just makes sure to use the -mieee option to build target libs.
2402 # This should probably be set individually by each library.
2403 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2404 ;;
2405esac
a0a2c6c6 2406
f48556b1
DD		 2407# If --enable-target-optspace always use -Os instead of -O2 to build
2408# the target libraries, similarly if it is not specified, use -Os
2409# on selected platforms.
a0da8069 2410ospace_frag=/dev/null
f48556b1
DD		 2411case "${enable_target_optspace}:${target}" in
2412 yes:*)
b6f83f2a 2413 ospace_frag="config/mt-ospace"
f48556b1
DD		 2414 ;;
2415 :d30v-*)
b6f83f2a 2416 ospace_frag="config/mt-d30v"
f48556b1
DD		 2417 ;;
2418 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2419 ospace_frag="config/mt-ospace"
f48556b1
DD		 2420 ;;
2421 no:* | :*)
2422 ;;
2423 *)
2424 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2425 ;;
2426esac
252b5132 2427
a0da8069
NN		 2428# Some systems (e.g., one of the i386-aix systems the gas testers are
2429# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2430tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2431build_tooldir=${tooldir}
2432
a0da8069
NN		 2433# Create a .gdbinit file which runs the one in srcdir
2434# and tells GDB to look there for source files.
2435
2436if test -r ${srcdir}/.gdbinit ; then
2437 case ${srcdir} in
2438 .) ;;
2439 *) cat > ./.gdbinit <<EOF
2440# ${NO_EDIT}
2441dir ${srcdir}
2442dir .
2443source ${srcdir}/.gdbinit
2444EOF
2445 ;;
2446 esac
2447fi
2448
252b5132
RH		 2449# Make sure that the compiler is able to generate an executable. If it
2450# can't, we are probably in trouble. We don't care whether we can run the
2451# executable--we might be using a cross compiler--we only care whether it
2452# can be created. At this point the main configure script has set CC.
a0c4f3a0 2453we_are_ok=no
252b5132
RH		 2454echo "int main () { return 0; }" > conftest.c
2455${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2456if test $? = 0 ; then
2457 if test -s conftest || test -s conftest.exe ; then
2458 we_are_ok=yes
2459 fi
7ec59b9e 2460fi
a0c4f3a0
DD		 2461case $we_are_ok in
2462 no)
2463 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2464 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2465 rm -f conftest*
2466 exit 1
2467 ;;
2468esac
252b5132
RH		 2469rm -f conftest*
2470
3bbd2f8f 2471# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2472case "${host}" in
2473 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2474 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2475 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2476 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2477esac
8607b6c9 2478
3bbd2f8f 2479# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2480# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2481# built executables to PATH.
3bbd2f8f
AL		 2482if test "$RPATH_ENVVAR" = PATH; then
2483 GCC_SHLIB_SUBDIR=/shlib
2484else
2485 GCC_SHLIB_SUBDIR=
2486fi
2487
730af8ee 2488# Adjust the toplevel makefile according to whether bootstrap was selected.
2489case $enable_bootstrap in
2490 yes)
2491 bootstrap_suffix=bootstrap
2492 BUILD_CONFIG=bootstrap-debug
2493 ;;
2494 no)
2495 bootstrap_suffix=no-bootstrap
2496 BUILD_CONFIG=
2497 ;;
2498esac
2499
2500AC_MSG_CHECKING(for default BUILD_CONFIG)
2501
2502AC_ARG_WITH([build-config],
2503 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2504 [use config/NAME.mk build configuration])],
2505 [case $with_build_config in
2506 yes) with_build_config= ;;
2507 no) with_build_config= BUILD_CONFIG= ;;
2508 esac])
2509
2510if test "x${with_build_config}" != x; then
2511 BUILD_CONFIG=$with_build_config
2512else
2513 case $BUILD_CONFIG in
2514 bootstrap-debug)
2515 if echo "int f (void) { return 0; }" > conftest.c &&
2516 ${CC} -c conftest.c &&
2517 mv conftest.o conftest.o.g0 &&
2518 ${CC} -c -g conftest.c &&
2519 mv conftest.o conftest.o.g &&
2520 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2521 :
2522 else
2523 BUILD_CONFIG=
2524 fi
2525 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2526 ;;
2527 esac
2528fi
2529AC_MSG_RESULT($BUILD_CONFIG)
2530AC_SUBST(BUILD_CONFIG)
2531
2532# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2533AC_MSG_CHECKING([for --enable-vtable-verify])
2534AC_ARG_ENABLE(vtable-verify,
2535[ --enable-vtable-verify Enable vtable verification feature ],
2536[case "$enableval" in
2537 yes) enable_vtable_verify=yes ;;
2538 no) enable_vtable_verify=no ;;
2539 *) enable_vtable_verify=no;;
2540 esac],
2541[enable_vtable_verify=no])
2542AC_MSG_RESULT($enable_vtable_verify)
2543
3866be5d
NN		 2544# Record target_configdirs and the configure arguments for target and
2545# build configuration in Makefile.
2546target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2547build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2548bootstrap_fixincludes=no
930314a4 2549
2aa2364a
JR		 2550# If we are building libgomp, bootstrap it.
2551if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2552 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2553fi
2554
730af8ee 2555# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2556# or bootstrap-ubsan, bootstrap it.
2557if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2558 case "$BUILD_CONFIG" in
2559 *bootstrap-asan* | *bootstrap-ubsan* )
2560 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2561 bootstrap_fixincludes=yes
730af8ee 2562 ;;
2563 esac
5eb08693
L		 2564fi
2565
730af8ee 2566# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2567if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2568 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2569 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2570fi
2571
930314a4
NN		 2572# Determine whether gdb needs tk/tcl or not.
2573# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2574# and in that case we want gdb to be built without tk. Ugh!
2575# In fact I believe gdb is the *only* package directly dependent on tk,
2576# so we should be able to put the 'maybe's in unconditionally and
2577# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2578# 100% sure that that's safe though.
c180f501 2579
675c6968 2580gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2581case "$enable_gdbtk" in
2582 no)
2583 GDB_TK="" ;;
c180f501
AC		 2584 yes)
2585 GDB_TK="${gdb_tk}" ;;
930314a4 2586 *)
c180f501
AC		 2587 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2588 # distro. Eventually someone will fix this and move Insight, nee
2589 # gdbtk to a separate directory.
2590 if test -d ${srcdir}/gdb/gdbtk ; then
2591 GDB_TK="${gdb_tk}"
2592 else
2593 GDB_TK=""
2594 fi
2595 ;;
930314a4 2596esac
907be67c
DJ		 2597CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2598INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2599
6bd3dfaa 2600# Strip out unwanted targets.
dd12c3a8
NN		 2601
2602# While at that, we remove Makefiles if we were started for recursive
2603# configuration, so that the top-level Makefile reconfigures them,
2604# like we used to do when configure itself was recursive.
dd12c3a8 2605
06a51eac
RW		 2606# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2607# but now we're fixing up the Makefile ourselves with the additional
2608# commands passed to AC_CONFIG_FILES. Use separate variables
2609# extrasub-{build,host,target} not because there is any reason to split
2610# the substitutions up that way, but only to remain below the limit of
2611# 99 commands in a script, for HP-UX sed.
2612# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2613
16b1ad29
RW		 2614case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2615 yes:yes:*\ gold\ *:*,c++,*) ;;
2616 yes:yes:*\ gold\ *:*)
2617 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2618 ;;
2619esac
2620
06a51eac 2621extrasub_build=
6a9cf61e 2622for module in ${build_configdirs} ; do
dd12c3a8
NN		 2623 if test -z "${no_recursion}" \
2624 && test -f ${build_subdir}/${module}/Makefile; then
2625 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2626 rm -f ${build_subdir}/${module}/Makefile
2627 fi
06a51eac 2628 extrasub_build="$extrasub_build
6bd3dfaa 2629/^@if build-$module\$/d
498d4a71
CF		 2630/^@endif build-$module\$/d
2631/^@if build-$module-$bootstrap_suffix\$/d
2632/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2633done
06a51eac 2634extrasub_host=
dd12c3a8 2635for module in ${configdirs} ; do
80911fe1 2636 if test -z "${no_recursion}"; then
8cf39b1b 2637 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2638 if test -f ${file}; then
2639 echo 1>&2 "*** removing ${file} to force reconfigure"
2640 rm -f ${file}
2641 fi
2642 done
dd12c3a8 2643 fi
201f096f 2644 case ${module},${bootstrap_fixincludes} in
2645 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2646 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2647 esac
06a51eac 2648 extrasub_host="$extrasub_host
6bd3dfaa 2649/^@if $module\$/d
498d4a71 2650/^@endif $module\$/d
201f096f 2651/^@if $module-$host_bootstrap_suffix\$/d
2652/^@endif $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2653done
06a51eac 2654extrasub_target=
dd12c3a8
NN		 2655for module in ${target_configdirs} ; do
2656 if test -z "${no_recursion}" \
2657 && test -f ${target_subdir}/${module}/Makefile; then
2658 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2659 rm -f ${target_subdir}/${module}/Makefile
2660 fi
e8a5fa9c
RW		 2661
2662 # We only bootstrap target libraries listed in bootstrap_target_libs.
2663 case $bootstrap_target_libs in
2664 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2665 *) target_bootstrap_suffix=no-bootstrap ;;
2666 esac
2667
06a51eac 2668 extrasub_target="$extrasub_target
6bd3dfaa 2669/^@if target-$module\$/d
498d4a71 2670/^@endif target-$module\$/d
e8a5fa9c
RW		 2671/^@if target-$module-$target_bootstrap_suffix\$/d
2672/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2673done
319cab08 2674
06a51eac
RW		 2675# Do the final fixup along with target modules.
2676extrasub_target="$extrasub_target
6bd3dfaa 2677/^@if /,/^@endif /d"
930314a4 2678
a2cc058a
NN		 2679# Create the serialization dependencies. This uses a temporary file.
2680
e6bfb94a 2681AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2682[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2683 [force sequential configuration of
2684 sub-packages for the host, target or build
2685 machine, or all sub-packages])])
1047cb91
DD		 2686
2687case ${enable_serial_configure} in
2688 yes)
2689 enable_serial_build_configure=yes
2690 enable_serial_host_configure=yes
2691 enable_serial_target_configure=yes
2692 ;;
2693esac
e6bfb94a 2694
a2cc058a
NN		 2695# These force 'configure's to be done one at a time, to avoid problems
2696# with contention over a shared config.cache.
2697rm -f serdep.tmp
e6bfb94a 2698echo '# serdep.tmp' > serdep.tmp
a2cc058a 2699olditem=
1047cb91 2700test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2701for item in ${build_configdirs} ; do
2702 case ${olditem} in
2703 "") ;;
e6bfb94a 2704 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2705 esac
2706 olditem=${item}
2707done
2708olditem=
1047cb91 2709test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2710for item in ${configdirs} ; do
2711 case ${olditem} in
2712 "") ;;
e6bfb94a 2713 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2714 esac
2715 olditem=${item}
2716done
2717olditem=
1047cb91 2718test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2719for item in ${target_configdirs} ; do
2720 case ${olditem} in
2721 "") ;;
e6bfb94a 2722 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2723 esac
2724 olditem=${item}
2725done
a0da8069
NN		 2726serialization_dependencies=serdep.tmp
2727AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2728
e6bfb94a 2729# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2730# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2731# might not want to pass down to subconfigures. The exception being
2732# --cache-file=/dev/null, which is used to turn off the use of cache
2733# files altogether, and which should be passed on to subconfigures.
2734# Also strip program-prefix, program-suffix, and program-transform-name,
2735# so that we can pass down a consistent program-transform-name.
c6b750e1 2736baseargs=
65b4571a 2737tbaseargs=
c6b750e1
DJ		 2738keep_next=no
2739skip_next=no
2740eval "set -- $ac_configure_args"
b0aaa663
DJ		 2741for ac_arg
2742do
c6b750e1
DJ		 2743 if test X"$skip_next" = X"yes"; then
2744 skip_next=no
2745 continue
2746 fi
2747 if test X"$keep_next" = X"yes"; then
2748 case $ac_arg in
2749 *\'*)
2750 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2751 esac
2752 baseargs="$baseargs '$ac_arg'"
65b4571a 2753 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2754 keep_next=no
2755 continue
2756 fi
2757
2758 # Handle separated arguments. Based on the logic generated by
2759 # autoconf 2.59.
2760 case $ac_arg in
2761 *=* | --config-cache | -C | -disable-* | --disable-* \
2762 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2763 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2764 | -with-* | --with-* | -without-* | --without-* | --x)
2765 separate_arg=no
2766 ;;
2767 -*)
2768 separate_arg=yes
2769 ;;
2770 *)
2771 separate_arg=no
2772 ;;
2773 esac
2774
65b4571a
AO		 2775 skip_targ=no
2776 case $ac_arg in
2777changequote(,)
2778 --with-* | --without-*)
2779 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2780
2781 case $libopt in
2782 *[-_]include)
2783 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2784 ;;
2785 *[-_]lib)
2786 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2787 ;;
2788 *)
2789 lib=$libopt
2790 ;;
2791 esac
2792changequote([,])
2793
2794 case $lib in
7ec59b9e 2795 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2796 # If we're processing --with-$lib, --with-$lib-include or
2797 # --with-$lib-lib, for one of the libs above, and target is
2798 # different from host, don't pass the current argument to any
2799 # target library's configure.
2800 if test x$is_cross_compiler = xyes; then
2801 skip_targ=yes
2802 fi
2803 ;;
2804 esac
2805 ;;
2806 esac
2807
c6b750e1 2808 case "$ac_arg" in
30167e0a
NC		 2809 --cache-file=/dev/null | \
2810 -cache-file=/dev/null )
2811 # Handled here to avoid the test to skip args below.
2812 baseargs="$baseargs '$ac_arg'"
65b4571a 2813 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2814 # Assert: $separate_arg should always be no.
2815 keep_next=$separate_arg
2816 ;;
c6b750e1
DJ		 2817 --no*)
2818 continue
2819 ;;
2820 --c* | \
2821 --sr* | \
2822 --ho* | \
2823 --bu* | \
2824 --t* | \
2825 --program-* | \
2826 -cache_file* | \
2827 -srcdir* | \
2828 -host* | \
2829 -build* | \
2830 -target* | \
2831 -program-prefix* | \
2832 -program-suffix* | \
2833 -program-transform-name* )
2834 skip_next=$separate_arg
2835 continue
2836 ;;
2837 -*)
2838 # An option. Add it.
2839 case $ac_arg in
2840 *\'*)
2841 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2842 esac
2843 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2844 if test X"$skip_targ" = Xno; then
2845 tbaseargs="$tbaseargs '$ac_arg'"
2846 fi
c6b750e1
DJ		 2847 keep_next=$separate_arg
2848 ;;
2849 *)
2850 # Either a variable assignment, or a nonopt (triplet). Don't
2851 # pass it down; let the Makefile handle this.
2852 continue
2853 ;;
2854 esac
2855done
2856# Remove the initial space we just introduced and, as these will be
2857# expanded by make, quote '$'.
2858baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2859
f27d4f92
DJ		 2860# Add in --program-transform-name, after --program-prefix and
2861# --program-suffix have been applied to it. Autoconf has already
2862# doubled dollar signs and backslashes in program_transform_name; we want
2863# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2864# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2865# Also, because we want to override the logic in subdir configure scripts to
2866# choose program_transform_name, replace any s,x,x, with s,y,y,.
2867sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2868${program_transform_name}
2869EOF_SED
2870gcc_transform_name=`cat conftestsed.out`
2871rm -f conftestsed.out
2872baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2873tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2874if test "$silent" = yes; then
2875 baseargs="$baseargs --silent"
65b4571a 2876 tbaseargs="$tbaseargs --silent"
2444379b 2877fi
34a0f3cf 2878baseargs="$baseargs --disable-option-checking"
65b4571a 2879tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2880
4074d5f2
RW		 2881# Record and document user additions to sub configure arguments.
2882AC_ARG_VAR([build_configargs],
2883 [additional configure arguments for build directories])
2884AC_ARG_VAR([host_configargs],
2885 [additional configure arguments for host directories])
2886AC_ARG_VAR([target_configargs],
2887 [additional configure arguments for target directories])
2888
49b7683b
DD		 2889# For the build-side libraries, we just need to pretend we're native,
2890# and not use the same cache file. Multilibs are neither needed nor
2891# desired.
4074d5f2 2892build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2893
ae831be5
NN		 2894# For host modules, accept cache file option, or specification as blank.
2895case "${cache_file}" in
2896"") # empty
2897 cache_file_option="" ;;
a0da8069 2898/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2899 cache_file_option="--cache-file=${cache_file}" ;;
2900*) # relative path
2901 cache_file_option="--cache-file=../${cache_file}" ;;
2902esac
2903
82252c06
NN		 2904# Host dirs don't like to share a cache file either, horribly enough.
2905# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2906host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2907
65b4571a 2908target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2909
252b5132
RH		 2910# Passing a --with-cross-host argument lets the target libraries know
2911# whether they are being built with a cross-compiler or being built
2912# native. However, it would be better to use other mechanisms to make the
2913# sorts of decisions they want to make on this basis. Please consider
2914# this option to be deprecated. FIXME.
a0c4f3a0 2915if test x${is_cross_compiler} = xyes ; then
c6b750e1 2916 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2917fi
2918
afc0578d 2919# Special user-friendly check for native x86_64-linux build, if
2920# multilib is not explicitly enabled.
2921case "$target:$have_compiler:$host:$target:$enable_multilib" in
2922 x86_64-*linux*:yes:$build:$build:)
2923 # Make sure we have a developement environment that handles 32-bit
2924 dev64=no
2925 echo "int main () { return 0; }" > conftest.c
2926 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2927 if test $? = 0 ; then
2928 if test -s conftest || test -s conftest.exe ; then
2929 dev64=yes
2930 fi
2931 fi
2932 rm -f conftest*
2933 if test x${dev64} != xyes ; then
2934 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.])
2935 fi
2936 ;;
2937esac
2938
938d2b74
RW		 2939# Default to --enable-multilib.
2940if test x${enable_multilib} = x ; then
a0da8069 2941 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2942fi
252b5132
RH		 2943
2944# Pass --with-newlib if appropriate. Note that target_configdirs has
2945# changed from the earlier setting of with_newlib.
a0c4f3a0 2946if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2947 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2948fi
2949
95036d20
NN		 2950# Different target subdirs use different values of certain variables
2951# (notably CXX). Worse, multilibs use *lots* of different values.
2952# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2953# it doesn't automatically accept command-line overrides of them.
2954# This means it's not safe for target subdirs to share a cache file,
2955# which is disgusting, but there you have it. Hopefully this can be
2956# fixed in future. It's still worthwhile to use a cache file for each
2957# directory. I think.
2958
ae380b45
MS		 2959# Pass the appropriate --build, --host, --target and --cache-file arguments.
2960# We need to pass --target, as newer autoconf's requires consistency
2961# for target_alias and gcc doesn't manage it consistently.
4b900473 2962target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2963
9e449d3e 2964FLAGS_FOR_TARGET=
7c1f909c 2965case " $target_configdirs " in
75205f78 2966 *" newlib "*)
a0da8069 2967 case " $target_configargs " in
75205f78 2968 *" --with-newlib "*)
9e449d3e 2969 case "$target" in
1f53ca9a 2970 *-cygwin*)
6d94c122 2971 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 2972 ;;
9e449d3e
AO		 2973 esac
2974
7450026c 2975 # If we're not building GCC, don't discard standard headers.
4d5fd396 2976 if test -d ${srcdir}/gcc; then
63266560 2977 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2978
2979 if test "${build}" != "${host}"; then
2980 # On Canadian crosses, CC_FOR_TARGET will have already been set
2981 # by `configure', so we won't have an opportunity to add -Bgcc/
2982 # to it. This is right: we don't want to search that directory
2983 # for binaries, but we want the header files in there, so add
2984 # them explicitly.
e552509b 2985 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2986
2987 # Someone might think of using the pre-installed headers on
2988 # Canadian crosses, in case the installed compiler is not fully
2989 # compatible with the compiler being built. In this case, it
2990 # would be better to flag an error than risking having
2991 # incompatible object files being constructed. We can't
2992 # guarantee that an error will be flagged, but let's hope the
2993 # compiler will do it, when presented with incompatible header
2994 # files.
2995 fi
63266560
DD		 2996 fi
2997
0a0d0041 2998 case "${target}-${is_cross_compiler}" in
ec11bdc6 2999 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3000 # Here host == target, so we don't need to build gcc,
3001 # so we don't want to discard standard headers.
3002 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3003 ;;
3004 *)
3005 # If we're building newlib, use its generic headers last, but search
3006 # for any libc-related directories first (so make it the last -B
3007 # switch).
3008 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3009
3010 # If we're building libgloss, find the startup file, simulator library
3011 # and linker script.
3012 case " $target_configdirs " in
3013 *" libgloss "*)
3014 # Look for startup file, simulator library and maybe linker script.
3015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3016 # Look for libnosys.a in case the target needs it.
3017 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3018 # Most targets have the linker script in the source directory.
3019 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3020 ;;
3021 esac
0a0d0041
TF		 3022 ;;
3023 esac
9e449d3e 3024 ;;
75205f78
DD		 3025 esac
3026 ;;
9e449d3e 3027esac
1f53ca9a 3028
45055374 3029case "$target" in
1f53ca9a
AO		 3030 x86_64-*mingw* | *-w64-mingw*)
3031 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3032 # however, use a symlink named 'mingw' in ${prefix} .
3033 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3034 ;;
3035 *-mingw*)
3036 # MinGW can't be handled as Cygwin above since it does not use newlib.
3037 FLAGS_FOR_TARGET=$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'
3038 ;;
45055374 3039esac
63266560 3040
5fbad20a
DD		 3041# Allow the user to override the flags for
3042# our build compiler if desired.
c66487f8
NC		 3043if test x"${build}" = x"${host}" ; then
3044 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3045 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3046 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3047fi
5fbad20a 3048
63266560
DD		 3049# On Canadian crosses, we'll be searching the right directories for
3050# the previously-installed cross compiler, so don't bother to add
3051# flags for directories within the install tree of the compiler
3052# being built; programs in there won't even run.
4d5fd396 3053if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3054 # Search for pre-installed headers if nothing else fits.
bba45b8b 3055 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3056fi
63266560 3057
7c1f909c 3058if test "x${use_gnu_ld}" = x &&
f48556b1 3059 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3060 # Arrange for us to find uninstalled linker scripts.
b00612cc 3061 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3062fi
3063
a481dbb7
DD		 3064# Search for other target-specific linker scripts and such.
3065case "${target}" in
4e206d7e
DB		 3066 mep*)
3067 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3068 ;;
3069esac
3070
a0da8069 3071# Makefile fragments.
3e707e94
PB		 3072for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3073do
3074 eval fragval=\$$frag
3075 if test $fragval != /dev/null; then
3076 eval $frag=${srcdir}/$fragval
3077 fi
3078done
a0da8069
NN		 3079AC_SUBST_FILE(host_makefile_frag)
3080AC_SUBST_FILE(target_makefile_frag)
3081AC_SUBST_FILE(alphaieee_frag)
3082AC_SUBST_FILE(ospace_frag)
3083
3084# Miscellanea: directories, flags, etc.
a0da8069 3085AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3086AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3087AC_SUBST(tooldir)
3088AC_SUBST(build_tooldir)
907be67c 3089AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3090AC_SUBST(GDB_TK)
907be67c 3091AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3092
3093# Build module lists & subconfigure args.
a0da8069 3094AC_SUBST(build_configargs)
6a9cf61e 3095AC_SUBST(build_configdirs)
a0da8069
NN		 3096
3097# Host module lists & subconfigure args.
3098AC_SUBST(host_configargs)
3099AC_SUBST(configdirs)
911e63d0 3100AC_SUBST(target_configdirs)
a0da8069
NN		 3101
3102# Target module lists & subconfigure args.
a0da8069 3103AC_SUBST(target_configargs)
a6df5a19 3104
a0da8069
NN		 3105
3106# Build tools.
b5714970
PB		 3107AC_SUBST(AR_FOR_BUILD)
3108AC_SUBST(AS_FOR_BUILD)
a0da8069 3109AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3110AC_SUBST(CFLAGS_FOR_BUILD)
3111AC_SUBST(CXXFLAGS_FOR_BUILD)
3112AC_SUBST(CXX_FOR_BUILD)
3113AC_SUBST(DLLTOOL_FOR_BUILD)
3114AC_SUBST(GCJ_FOR_BUILD)
3115AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3116AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3117AC_SUBST(LDFLAGS_FOR_BUILD)
3118AC_SUBST(LD_FOR_BUILD)
3119AC_SUBST(NM_FOR_BUILD)
3120AC_SUBST(RANLIB_FOR_BUILD)
3121AC_SUBST(WINDMC_FOR_BUILD)
3122AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3123
be01d343
PB		 3124# Generate default definitions for YACC, M4, LEX and other programs that run
3125# on the build machine. These are used if the Makefile can't locate these
3126# programs in objdir.
3127MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3128
3129AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3130case " $build_configdirs " in
3131 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3132esac
3133
3134AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3135case " $build_configdirs " in
3136 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3137esac
3138
3139AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3140case " $build_configdirs " in
3141 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3142esac
3143
3144AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3145case " $build_configdirs " in
3146 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3147 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3148esac
3149
3150AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3151case " $build_configdirs " in
3152 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3153esac
3154
3155AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3156case " $build_configdirs " in
3157 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3158 *)
3159changequote(,)
10ad8ef3 3160 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3161 # higher, else we use the "missing" dummy.
3162 if ${MAKEINFO} --version \
10ad8ef3 3163 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3164 :
3165 else
3166 MAKEINFO="$MISSING makeinfo"
3167 fi
3168 ;;
3169changequote([,])
3170esac
3171
3172# FIXME: expect and dejagnu may become build tools?
3173
3174AC_CHECK_PROGS(EXPECT, expect, expect)
3175case " $configdirs " in
3176 *" expect "*)
3177 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3178 ;;
3179esac
3180
3181AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3182case " $configdirs " in
3183 *" dejagnu "*)
6b89cc21 3184 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3185 ;;
3186esac
3187
3188
a0da8069 3189# Host tools.
05cbd757
PB		 3190NCN_STRICT_CHECK_TOOLS(AR, ar)
3191NCN_STRICT_CHECK_TOOLS(AS, as)
3192NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3193NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3194NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3195NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3196NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3197NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3198NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3199NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3200NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3201NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3202NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3203AC_SUBST(CC)
3204AC_SUBST(CXX)
3205AC_SUBST(CFLAGS)
3206AC_SUBST(CXXFLAGS)
a0da8069 3207
be01d343 3208# Target tools.
7ec59b9e 3209AC_ARG_WITH([build-time-tools],
7837304f
AS		 3210 [AS_HELP_STRING([--with-build-time-tools=PATH],
3211 [use given path to find target tools during the build])],
2429c060
PB		 3212 [case x"$withval" in
3213 x/*) ;;
3214 *)
3215 with_build_time_tools=
3216 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3217 ;;
3218 esac],
3219 [with_build_time_tools=])
3220
05cbd757
PB		 3221NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3222NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3223NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3224NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3225NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3226NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3227
3228ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3229ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3230ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3231ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3232ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3233ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3234ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3235ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3236ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3237ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3238ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3239ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3240
be01d343
PB		 3241RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3242
3243GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3244GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3245GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3246dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3247GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3248 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3249 c++)
3250GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3251 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3252 c++)
3253GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3254GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3255GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3256 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3257GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3258 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3259GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3260 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3261GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3262GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3263GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3264GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3265GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3266GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3267GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3268GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3269GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3270
be01d343 3271AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3272AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3273
a0da8069
NN		 3274# Certain tools may need extra flags.
3275AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3276RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3277NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3278
be01d343
PB		 3279# When building target libraries, except in a Canadian cross, we use
3280# the same toolchain as the compiler we just built.
3281COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3282COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3283COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3284if test $host = $build; then
3285 case " $configdirs " in
3286 *" gcc "*)
3287 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3288 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3289 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3290 ;;
3291 esac
3292fi
3293
3294AC_SUBST(COMPILER_AS_FOR_TARGET)
3295AC_SUBST(COMPILER_LD_FOR_TARGET)
3296AC_SUBST(COMPILER_NM_FOR_TARGET)
3297
6b784d9f
AO		 3298AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3299AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3300[AS_HELP_STRING([--enable-maintainer-mode],
3301 [enable make rules and dependencies not useful
3302 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3303 USE_MAINTAINER_MODE=$enableval,
3304 USE_MAINTAINER_MODE=no)
3305AC_MSG_RESULT($USE_MAINTAINER_MODE)
3306AC_SUBST(MAINTAINER_MODE_TRUE)
3307AC_SUBST(MAINTAINER_MODE_FALSE)
3308if test "$USE_MAINTAINER_MODE" = yes; then
3309 MAINTAINER_MODE_TRUE=
3310 MAINTAINER_MODE_FALSE='#'
3311else
3312 MAINTAINER_MODE_TRUE='#'
3313 MAINTAINER_MODE_FALSE=
7ec59b9e 3314fi
6b784d9f
AO		 3315MAINT=$MAINTAINER_MODE_TRUE
3316AC_SUBST(MAINT)dnl
3317
1d39f329
NN		 3318# ---------------------
3319# GCC bootstrap support
3320# ---------------------
3321
3322# Stage specific cflags for build.
3323stage1_cflags="-g"
3324case $build in
3325 vax-*-*)
3326 case ${GCC} in
3327 yes) stage1_cflags="-g -Wa,-J" ;;
3328 *) stage1_cflags="-g -J" ;;
3329 esac ;;
1d39f329 3330esac
1d89b610 3331
1d39f329
NN		 3332AC_SUBST(stage1_cflags)
3333
8a0d8a5c
PB		 3334# Enable --enable-checking in stage1 of the compiler.
3335AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3336[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3337 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3338[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3339[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3340 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3341else
5566c1fa 3342 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3343fi])
3344AC_SUBST(stage1_checking)
3345
1d39f329 3346# Enable -Werror in bootstrap stage2 and later.
1d39f329 3347AC_ARG_ENABLE(werror,
7837304f
AS		 3348[AS_HELP_STRING([--enable-werror],
3349 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3350[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3351 enable_werror=yes
3352else
3353 enable_werror=no
3354fi])
1a6f2dc7
NN		 3355case ${enable_werror} in
3356 yes) stage2_werror_flag="--enable-werror-always" ;;
3357 *) stage2_werror_flag="" ;;
1d39f329 3358esac
1a6f2dc7 3359AC_SUBST(stage2_werror_flag)
1d39f329 3360
82033c9b
JBG		 3361# Enable --enable-host-shared.
3362AC_ARG_ENABLE(host-shared,
3363[AS_HELP_STRING([--enable-host-shared],
3364 [build host code as shared libraries])],
3365[host_shared=$enableval], [host_shared=no])
3366AC_SUBST(host_shared)
3367
e8a5fa9c
RW		 3368# Specify what files to not compare during bootstrap.
3369
3370compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3371case "$target" in
3372 hppa*64*-*-hpux*) ;;
3373 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3374 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3375esac
3376AC_SUBST(compare_exclusions)
3377
06a51eac
RW		 3378AC_CONFIG_FILES([Makefile],
3379 [sed "$extrasub_build" Makefile |
3380 sed "$extrasub_host" |
3381 sed "$extrasub_target" > mf$$
3382 mv -f mf$$ Makefile],
3383 [extrasub_build="$extrasub_build"
3384 extrasub_host="$extrasub_host"
3385 extrasub_target="$extrasub_target"])
3386AC_OUTPUT
GDB Binutils - Deliverables
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