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