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