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92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
202e2356 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
ba98da75 3# Free Software Foundation, Inc.
252b5132
RH		 4#
5# This file is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
7ec59b9e 31m4_include([config/isl.m4])
e552509b 32m4_include([config/cloog.m4])
656fdd47 33
a0da8069 34AC_INIT(move-if-change)
d444d2ba 35AC_PREREQ(2.64)
34a0f3cf 36AC_DISABLE_OPTION_CHECKING
c6b750e1 37
5b553f7e
RW		 38progname=$0
39# if PWD already has a value, it is probably wrong.
40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41
42# Export original configure arguments for use by sub-configures.
43# Quote arguments with shell meta charatcers.
44TOPLEVEL_CONFIGURE_ARGUMENTS=
45set -- "$progname" "$@"
46for ac_arg
47do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57done
58if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60fi
61# Remove the initial space we just introduced and, as these will be
62# expanded by make, quote '$'.
63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65
c6b750e1
DJ		 66# Find the build, host, and target systems.
67ACX_NONCANONICAL_BUILD
68ACX_NONCANONICAL_HOST
69ACX_NONCANONICAL_TARGET
70
71dnl Autoconf 2.5x and later will set a default program prefix if
72dnl --target was used, even if it was the same as --host. Disable
73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74dnl to take effect.
75test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
79
a0da8069
NN		 80AC_CANONICAL_SYSTEM
81AC_ARG_PROGRAM
82
c6b750e1 83m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 84m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 85
e5c3f801
NN		 86# Get 'install' or 'install-sh' and its variants.
87AC_PROG_INSTALL
656fdd47 88ACX_PROG_LN
dfdffa2c 89AC_PROG_LN_S
8e957354
PB		 90AC_PROG_SED
91AC_PROG_AWK
e5c3f801 92
0fdbe983
DJ		 93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94
95# We pass INSTALL explicitly to sub-makes. Make sure that it is not
96# a relative path.
97if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99fi
100
a0da8069
NN		 101# Set srcdir to "." if that's what it is.
102# This is important for multilib support.
103pwd=`${PWDCMD-pwd}`
a0da8069
NN		 104if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106fi
107
108topsrcdir=$srcpwd
252b5132 109
ae831be5 110extra_host_args=
afefada0 111
252b5132
RH		 112### To add a new directory to the tree, first choose whether it is a target
113### or a host dependent tool. Then put it into the appropriate list
a2cc058a 114### (library or tools, host or target), doing a dependency sort.
252b5132 115
7ec59b9e 116# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 117# configdirs, or target_configdirs; see the serialization section below.
118
7ec59b9e
L		 119# Dependency sorting is only needed when *configuration* must be done in
120# a particular order. In all cases a dependency should be specified in
a2cc058a
NN		 121# the Makefile, whether or not it's implicitly specified here.
122
123# Double entries in build_configdirs, configdirs, or target_configdirs may
124# cause circular dependencies and break everything horribly.
252b5132 125
6a9cf61e
PB		 126# these library is used by various programs built for the build
127# environment
128#
129build_libs="build-libiberty"
130
131# these tools are built for the build environment
a90ef4bf 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 133
252b5132
RH		 134# these libraries are used by various programs built for the host environment
135#
2bf680c4 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
252b5132 137
252b5132
RH		 138# these tools are built for the host environment
139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140# know that we are building the simulator.
2af579c4
NN		 141# binutils, gas and ld appear in that order because it makes sense to run
142# "make check" in that particular order.
e6de499b 143# If --enable-gold is used, "gold" may replace "ld".
a90ef4bf 144host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
75205f78
DD		 145
146# libgcj represents the runtime libraries only used by gcj.
147libgcj="target-libffi \
75205f78 148 target-zlib \
75205f78 149 target-libjava"
252b5132
RH		 150
151# these libraries are built for the target environment, and are built after
152# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 153# Note that libiberty is not a target library.
b1299c4e 154target_libraries="target-libgcc \
2bf680c4 155 target-libbacktrace \
252b5132
RH		 156 target-libgloss \
157 target-newlib \
cff87f51 158 target-libgomp \
522e3d71 159 target-libcilkrts \
7ec59b9e 160 target-libatomic \
d32e2926 161 target-libitm \
b9459e83 162 target-libstdc++-v3 \
5286fdef 163 target-libsanitizer \
95e43135 164 target-libvtv \
bb780410 165 target-libssp \
e552509b 166 target-libquadmath \
4b1cb4fe 167 target-libgfortran \
4f0ef2d8 168 target-boehm-gc \
83326456 169 ${libgcj} \
a2592b1b 170 target-libobjc \
e552509b
ILT		 171 target-libada \
172 target-libgo"
252b5132 173
9c14acb8
NN		 174# these tools are built using the target libraries, and are intended to
175# run only in the target environment
252b5132 176#
9c14acb8 177# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 178# list belongs in this list.
252b5132 179#
a90ef4bf 180target_tools="target-rda"
252b5132
RH		 181
182################################################################################
183
252b5132
RH		 184## All tools belong in one of the four categories, and are assigned above
185## We assign ${configdirs} this way to remove all embedded newlines. This
186## is important because configure will choke if they ever get through.
187## ${configdirs} is directories we build using the host tools.
188## ${target_configdirs} is directories we build using the target tools.
252b5132 189configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 190target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 191build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 192
9cc8ae67 193m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 194[case $srcdir in
195 *" "*)
196m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198m4_popdef([AS_MESSAGE_LOG_FD])dnl
199 ;;
200esac
201ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 202])
203
252b5132
RH		 204################################################################################
205
252b5132
RH		 206srcname="gnu development package"
207
208# This gets set non-empty for some net releases of packages.
209appdirs=""
210
c712250a
DD		 211# Define is_cross_compiler to save on calls to 'test'.
212is_cross_compiler=
213if test x"${host}" = x"${target}" ; then
214 is_cross_compiler=no
215else
216 is_cross_compiler=yes
7ec59b9e 217fi
c712250a 218
9175bfc0 219# Find the build and target subdir names.
dd12c3a8 220GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 221# Be sure to cover against remnants of an in-tree build.
222if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224Use a pristine source tree when building in a separate tree])
225fi
252b5132 226
f48556b1
DD		 227# Skipdirs are removed silently.
228skipdirs=
229# Noconfigdirs are removed loudly.
230noconfigdirs=""
252b5132 231
f48556b1
DD		 232use_gnu_ld=
233# Make sure we don't let GNU ld be added if we didn't want it.
234if test x$with_gnu_ld = xno ; then
235 use_gnu_ld=no
93f9b408 236 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 237fi
238
f48556b1
DD		 239use_gnu_as=
240# Make sure we don't let GNU as be added if we didn't want it.
241if test x$with_gnu_as = xno ; then
242 use_gnu_as=no
243 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 244fi
245
700d40ca
ILT		 246use_included_zlib=
247# Make sure we don't let ZLIB be added if we didn't want it.
248if test x$with_system_zlib = xyes ; then
249 use_included_zlib=no
250 noconfigdirs="$noconfigdirs zlib"
251fi
252
7ec59b9e 253# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 254# it's not even worth trying to configure, much less build, that tool.
252b5132 255
f48556b1
DD		 256case ${with_x} in
257 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 258 no)
675c6968 259 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 260 # We won't be able to build gdbtk without X.
7ec59b9e 261 enable_gdbtk=no
ff0a3bf8 262 ;;
f48556b1
DD		 263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264esac
252b5132 265
0377a422 266# Some are only suitable for cross toolchains.
405ea7a0
NN		 267# Remove these if host=target.
268cross_only="target-libgloss target-newlib target-opcodes"
252b5132 269
f48556b1
DD		 270case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 272esac
252b5132 273
a32d391c
DD		 274# If both --with-headers and --with-libs are specified, default to
275# --without-newlib.
32be62b5
RS		 276if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 278 if test x"${with_newlib}" = x ; then
279 with_newlib=no
280 fi
281fi
282
283# Recognize --with-newlib/--without-newlib.
284case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287esac
288
c7791212
NC		 289# Handle --enable-gold, --enable-ld.
290# --disable-gold [--enable-ld]
291# Build only ld. Default option.
d3b50760
L		 292# --enable-gold [--enable-ld]
293# Build both gold and ld. Install gold as "ld.gold", install ld
294# as "ld.bfd" and "ld".
295# --enable-gold=default [--enable-ld]
c7791212
NC		 296# Build both gold and ld. Install gold as "ld.gold" and "ld",
297# install ld as "ld.bfd".
298# --enable-gold[=default] --disable-ld
299# Build only gold, which is then installed as both "ld.gold" and "ld".
300# --enable-gold --enable-ld=default
d3b50760
L		 301# Build both gold (installed as "ld.gold") and ld (installed as "ld"
302# and ld.bfd).
c7791212
NC		 303# In other words, ld is default
304# --enable-gold=default --enable-ld=default
305# Error.
306
307default_ld=
93f9b408 308AC_ARG_ENABLE(gold,
7837304f
AS		 309[AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 311ENABLE_GOLD=$enableval,
312ENABLE_GOLD=no)
c7791212
NC		 313case "${ENABLE_GOLD}" in
314 yes|default)
e6de499b
NC		 315 # Check for ELF target.
316 is_elf=no
317 case "${target}" in
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
2bda3143 321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 322 case "${target}" in
323 *-*-linux*aout* | *-*-linux*oldld*)
324 ;;
325 *)
326 is_elf=yes
327 ;;
328 esac
329 esac
330
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
93f9b408 333 case "${target}" in
5c0b3823 334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
c7791212
NC		 335 configdirs="$configdirs gold"
336 if test x${ENABLE_GOLD} = xdefault; then
337 default_ld=gold
338 fi
e6de499b 339 ENABLE_GOLD=yes
93f9b408
ILT		 340 ;;
341 esac
e6de499b
NC		 342 fi
343 ;;
344 no)
345 ;;
346 *)
347 AC_MSG_ERROR([invalid --enable-gold argument])
348 ;;
c7791212
NC		 349esac
350
351AC_ARG_ENABLE(ld,
7837304f
AS		 352[AS_HELP_STRING([[--enable-ld[=ARG]]],
353 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 354ENABLE_LD=$enableval,
355ENABLE_LD=yes)
356
357case "${ENABLE_LD}" in
358 default)
d3b50760 359 if test x${default_ld} != x; then
c7791212
NC		 360 AC_MSG_ERROR([either gold or ld can be the default ld])
361 fi
362 ;;
363 yes)
364 ;;
365 no)
366 if test x${ENABLE_GOLD} != xyes; then
367 AC_MSG_WARN([neither ld nor gold are enabled])
368 fi
369 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
370 ;;
371 *)
372 AC_MSG_ERROR([invalid --enable-ld argument])
373 ;;
374esac
93f9b408 375
252b5132
RH		 376# Configure extra directories which are host specific
377
378case "${host}" in
f48556b1 379 *-cygwin*)
3866be5d 380 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 381esac
382
59f7ec45
HPN		 383# A target can indicate whether a language isn't supported for some reason.
384# Only spaces may be used in this macro; not newlines or tabs.
385unsupported_languages=
386
7ec59b9e 387# Remove more programs from consideration, based on the host or
252b5132
RH		 388# target this usually means that a port of the program doesn't
389# exist yet.
390
252b5132 391case "${host}" in
3516a403 392 i[[3456789]]86-*-msdosdjgpp*)
6a608608 393 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 394 ;;
252b5132
RH		 395esac
396
4b1cb4fe 397
89a1e9c3
PB		 398AC_ARG_ENABLE(libquadmath,
399AS_HELP_STRING([--disable-libquadmath],
400 [do not build libquadmath directory]),
401ENABLE_LIBQUADMATH=$enableval,
402ENABLE_LIBQUADMATH=yes)
403if test "${ENABLE_LIBQUADMATH}" = "no" ; then
404 noconfigdirs="$noconfigdirs target-libquadmath"
405fi
406
407
408AC_ARG_ENABLE(libquadmath-support,
409AS_HELP_STRING([--disable-libquadmath-support],
410 [disable libquadmath support for Fortran]),
411ENABLE_LIBQUADMATH_SUPPORT=$enableval,
412ENABLE_LIBQUADMATH_SUPPORT=yes)
413enable_libquadmath_support=
414if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
415 enable_libquadmath_support=no
416fi
417
418
a2592b1b 419AC_ARG_ENABLE(libada,
7837304f 420[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 421ENABLE_LIBADA=$enableval,
422ENABLE_LIBADA=yes)
423if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 424 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 425fi
426
5f128533 427AC_ARG_ENABLE(libssp,
7837304f 428[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 429ENABLE_LIBSSP=$enableval,
430ENABLE_LIBSSP=yes)
5f128533 431
f66a9a70
L		 432AC_ARG_ENABLE(libstdcxx,
433AS_HELP_STRING([--disable-libstdcxx],
434 [do not build libstdc++-v3 directory]),
435ENABLE_LIBSTDCXX=$enableval,
436ENABLE_LIBSTDCXX=default)
437[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
438 noconfigdirs="$noconfigdirs libstdc++-v3"
439fi]
440
96111c10
AO		 441# Save it here so that, even in case of --enable-libgcj, if the Java
442# front-end isn't enabled, we still get libgcj disabled.
443libgcj_saved=$libgcj
444case $enable_libgcj in
445yes)
446 # If we reset it here, it won't get added to noconfigdirs in the
447 # target-specific build rules, so it will be forcibly enabled
448 # (unless the Java language itself isn't enabled).
449 libgcj=
450 ;;
451no)
452 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 453 # Don't disable libffi, though, other languages use it.
454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 455 # Clear libgcj_saved so that even if java is enabled libffi won't be
456 # built.
457 libgcj_saved=
96111c10
AO		 458 ;;
459esac
460
ffdd6afc
ILT		 461AC_ARG_ENABLE(static-libjava,
462[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
463 [build static libjava @<:@default=no@:>@])],
464ENABLE_STATIC_LIBJAVA=$enableval,
465ENABLE_STATIC_LIBJAVA=no)
466enable_static_libjava=
467if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
468 enable_static_libjava=yes
469fi
470
471if test x$enable_static_libjava != xyes ; then
472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
473fi
474AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 475
a6df5a19
PB		 476# Disable libgomp on non POSIX hosted systems.
477if test x$enable_libgomp = x ; then
b3ded179
PB		 478 # Enable libgomp by default on hosted POSIX systems.
479 case "${target}" in
29383458 480 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 481 ;;
5b806d27 482 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 483 ;;
2479f722 484 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 485 ;;
486 *-*-darwin* | *-*-aix*)
487 ;;
488 *)
489 noconfigdirs="$noconfigdirs target-libgomp"
490 ;;
491 esac
a6df5a19 492fi
b3ded179 493
7ec59b9e
L		 494# Disable libatomic on unsupported systems.
495if test -d ${srcdir}/libatomic; then
496 if test x$enable_libatomic = x; then
497 AC_MSG_CHECKING([for libatomic support])
498 if (srcdir=${srcdir}/libatomic; \
499 . ${srcdir}/configure.tgt; \
500 test -n "$UNSUPPORTED")
501 then
502 AC_MSG_RESULT([no])
503 noconfigdirs="$noconfigdirs target-libatomic"
504 else
505 AC_MSG_RESULT([yes])
506 fi
507 fi
508fi
509
522e3d71 510# Disable libcilkrts on unsupported systems.
511if test -d ${srcdir}/libcilkrts; then
512 if test x$enable_libcilkrts = x; then
513 AC_MSG_CHECKING([for libcilkrts support])
514 if (srcdir=${srcdir}/libcilkrts; \
515 . ${srcdir}/configure.tgt; \
516 test -n "$UNSUPPORTED")
517 then
518 AC_MSG_RESULT([no])
519 noconfigdirs="$noconfigdirs target-libcilkrts"
520 else
521 AC_MSG_RESULT([yes])
522 fi
523 fi
524fi
525
d32e2926
RH		 526# Disable libitm on unsupported systems.
527if test -d ${srcdir}/libitm; then
528 if test x$enable_libitm = x; then
529 AC_MSG_CHECKING([for libitm support])
530 if (srcdir=${srcdir}/libitm; \
531 . ${srcdir}/configure.tgt; \
532 test -n "$UNSUPPORTED")
533 then
534 AC_MSG_RESULT([no])
535 noconfigdirs="$noconfigdirs target-libitm"
536 else
537 AC_MSG_RESULT([yes])
538 fi
539 fi
540fi
541
5286fdef
L		 542# Disable libsanitizer on unsupported systems.
543if test -d ${srcdir}/libsanitizer; then
544 if test x$enable_libsanitizer = x; then
545 AC_MSG_CHECKING([for libsanitizer support])
546 if (srcdir=${srcdir}/libsanitizer; \
547 . ${srcdir}/configure.tgt; \
548 test -n "$UNSUPPORTED")
549 then
550 AC_MSG_RESULT([no])
551 noconfigdirs="$noconfigdirs target-libsanitizer"
552 else
553 AC_MSG_RESULT([yes])
554 fi
555 fi
556fi
557
95e43135
JBG		 558# Disable libvtv on unsupported systems.
559if test -d ${srcdir}/libvtv; then
560 if test x$enable_libvtv = x; then
561 AC_MSG_CHECKING([for libvtv support])
562 if (srcdir=${srcdir}/libvtv; \
563 . ${srcdir}/configure.tgt; \
564 test "$VTV_SUPPORTED" != "yes")
565 then
566 AC_MSG_RESULT([no])
567 noconfigdirs="$noconfigdirs target-libvtv"
568 else
569 AC_MSG_RESULT([yes])
570 fi
571 fi
572fi
573
1488e230
DE		 574# Disable libquadmath for some systems.
575case "${target}" in
5286fdef
L		 576 avr-*-*)
577 noconfigdirs="$noconfigdirs target-libquadmath"
578 ;;
1488e230
DE		 579 # libquadmath is unused on AIX and libquadmath build process use of
580 # LD_LIBRARY_PATH can break AIX bootstrap.
581 powerpc-*-aix* | rs6000-*-aix*)
582 noconfigdirs="$noconfigdirs target-libquadmath"
583 ;;
584esac
585
065a5627
JM		 586# Disable libssp for some systems.
587case "${target}" in
588 avr-*-*)
c5f5c3c2 589 # No hosted I/O support.
065a5627
JM		 590 noconfigdirs="$noconfigdirs target-libssp"
591 ;;
592 powerpc-*-aix* | rs6000-*-aix*)
593 noconfigdirs="$noconfigdirs target-libssp"
594 ;;
99c513f6 595 rl78-*-*)
202e2356
NC		 596 # libssp uses a misaligned load to trigger a fault, but the RL78
597 # doesn't fault for those - instead, it gives a build-time error
598 # for explicit misaligned loads.
99c513f6
DD		 599 noconfigdirs="$noconfigdirs target-libssp"
600 ;;
065a5627
JM		 601esac
602
065a5627 603# Disable libstdc++-v3 for some systems.
f66a9a70
L		 604# Allow user to override this if they pass --enable-libstdc++-v3
605if test "${ENABLE_LIBSTDCXX}" = "default" ; then
606 case "${target}" in
607 *-*-vxworks*)
608 # VxWorks uses the Dinkumware C++ library.
609 noconfigdirs="$noconfigdirs target-libstdc++-v3"
610 ;;
611 arm*-wince-pe*)
612 # the C++ libraries don't build on top of CE's C libraries
613 noconfigdirs="$noconfigdirs target-libstdc++-v3"
614 ;;
615 avr-*-*)
616 noconfigdirs="$noconfigdirs target-libstdc++-v3"
617 ;;
618 esac
619fi
065a5627
JM		 620
621# Disable Fortran for some systems.
622case "${target}" in
623 mmix-*-*)
624 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
625 unsupported_languages="$unsupported_languages fortran"
626 ;;
627esac
628
0827f9a6 629# Disable Java if libffi is not supported.
9863d716 630case "${target}" in
e7d5abf1
JBG		 631 aarch64-*-*)
632 ;;
0827f9a6
JM		 633 alpha*-*-*)
634 ;;
635 arm*-*-*)
636 ;;
637 cris-*-*)
638 ;;
639 frv-*-*)
640 ;;
641 hppa*-*-linux*)
642 ;;
643 hppa*-*-hpux*)
644 ;;
645 i?86-*-*)
646 ;;
647 ia64*-*-*)
648 ;;
649 m32r*-*-*)
650 ;;
651 m68k-*-*)
652 ;;
2479f722 653 mips*-*-rtems*)
0827f9a6
JM		 654 ;;
655 mips*-*-linux*)
656 ;;
657 powerpc*-*-linux*)
658 ;;
659 powerpc-*-darwin*)
660 ;;
661 powerpc-*-aix* | rs6000-*-aix*)
662 ;;
663 powerpc-*-freebsd*)
664 ;;
665 powerpc64-*-freebsd*)
666 ;;
667 powerpc*-*-rtems*)
9863d716 668 ;;
0827f9a6
JM		 669 s390-*-* | s390x-*-*)
670 ;;
671 sh-*-* | sh[[34]]*-*-*)
672 ;;
673 sh64-*-* | sh5*-*-*)
674 ;;
675 sparc*-*-*)
676 ;;
677 x86_64-*-*)
678 ;;
679 *-*-*)
680 unsupported_languages="$unsupported_languages java"
681 ;;
682esac
683
684# Disable Java, libgcj or related libraries for some systems.
685case "${target}" in
9863d716
JM		 686 powerpc-*-darwin*)
687 ;;
688 i[[3456789]]86-*-darwin*)
689 ;;
690 x86_64-*-darwin[[912]]*)
691 ;;
692 *-*-darwin*)
693 noconfigdirs="$noconfigdirs ${libgcj}"
694 ;;
9863d716
JM		 695 *-*-netware*)
696 noconfigdirs="$noconfigdirs ${libgcj}"
697 ;;
698 *-*-rtems*)
699 noconfigdirs="$noconfigdirs ${libgcj}"
700 ;;
701 *-*-tpf*)
702 noconfigdirs="$noconfigdirs ${libgcj}"
703 ;;
704 *-*-uclinux*)
705 noconfigdirs="$noconfigdirs ${libgcj}"
706 ;;
707 *-*-vxworks*)
708 noconfigdirs="$noconfigdirs ${libgcj}"
709 ;;
9863d716
JM		 710 alpha*-*-*vms*)
711 noconfigdirs="$noconfigdirs ${libgcj}"
712 ;;
0827f9a6 713 arm-wince-pe)
9863d716
JM		 714 noconfigdirs="$noconfigdirs ${libgcj}"
715 ;;
9863d716
JM		 716 arm*-*-symbianelf*)
717 noconfigdirs="$noconfigdirs ${libgcj}"
718 ;;
9863d716 719 bfin-*-*)
9863d716
JM		 720 noconfigdirs="$noconfigdirs target-boehm-gc"
721 ;;
9863d716
JM		 722 cris-*-* | crisv32-*-*)
723 unsupported_languages="$unsupported_languages java"
724 case "${target}" in
725 *-*-linux*)
726 ;;
727 *) # See PR46792 regarding target-libffi.
728 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
729 esac
730 ;;
9863d716
JM		 731 hppa*64*-*-linux*)
732 # In this case, it's because the hppa64-linux target is for
733 # the kernel only at this point and has no libc, and thus no
734 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 735 unsupported_languages="$unsupported_languages java"
9863d716 736 ;;
82ae827f 737 hppa*64*-*-hpux*)
9863d716
JM		 738 noconfigdirs="$noconfigdirs ${libgcj}"
739 ;;
740 hppa*-hp-hpux11*)
741 ;;
82ae827f 742 hppa*-*-hpux*)
9863d716
JM		 743 # According to Alexandre Oliva <[email protected]>, libjava won't
744 # build on HP-UX 10.20.
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
9863d716
JM		 747 ia64*-*-*vms*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
9863d716
JM		 750 i[[3456789]]86-w64-mingw*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 i[[3456789]]86-*-mingw*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
755 ;;
756 x86_64-*-mingw*)
757 noconfigdirs="$noconfigdirs ${libgcj}"
758 ;;
9863d716
JM		 759 mmix-*-*)
760 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 761 ;;
762 powerpc-*-aix*)
763 # copied from rs6000-*-* entry
764 noconfigdirs="$noconfigdirs ${libgcj}"
765 ;;
9863d716
JM		 766 rs6000-*-aix*)
767 noconfigdirs="$noconfigdirs ${libgcj}"
768 ;;
9863d716
JM		 769 *-*-lynxos*)
770 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 771 ;;
9863d716
JM		 772esac
773
a413f71a
ILT		 774# Disable libgo for some systems where it is known to not work.
775# For testing, you can easily override this with --enable-libgo.
776if test x$enable_libgo = x; then
777 case "${target}" in
778 *-*-darwin*)
779 # PR 46986
780 noconfigdirs="$noconfigdirs target-libgo"
781 ;;
782 *-*-cygwin* | *-*-mingw*)
783 noconfigdirs="$noconfigdirs target-libgo"
784 ;;
785 *-*-aix*)
786 noconfigdirs="$noconfigdirs target-libgo"
787 ;;
788 esac
789fi
790
691bb5a1
DD		 791# Default libgloss CPU subdirectory.
792libgloss_dir="$target_cpu"
4b1cb4fe 793
ff46fb8f
JM		 794case "${target}" in
795 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
796 libgloss_dir=wince
797 ;;
f1dd87fc
YZ		 798 aarch64*-*-* )
799 libgloss_dir=aarch64
800 ;;
ff46fb8f
JM		 801 arm*-*-*)
802 libgloss_dir=arm
803 ;;
804 cris-*-* | crisv32-*-*)
805 libgloss_dir=cris
806 ;;
807 hppa*-*-*)
808 libgloss_dir=pa
809 ;;
810 i[[3456789]]86-*-*)
811 libgloss_dir=i386
812 ;;
813 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
814 libgloss_dir=m68hc11
815 ;;
816 m68*-*-* | fido-*-*)
817 libgloss_dir=m68k
818 ;;
819 mips*-*-*)
820 libgloss_dir=mips
821 ;;
822 powerpc*-*-*)
823 libgloss_dir=rs6000
824 ;;
825 sparc*-*-*)
826 libgloss_dir=sparc
827 ;;
828esac
829
c7e4b184 830# Disable newlib and libgloss for various target OSes.
252b5132 831case "${target}" in
c7e4b184
JM		 832 alpha*-dec-osf*)
833 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
834 ;;
835 i[[3456789]]86-*-linux*)
836 # This section makes it possible to build newlib natively on linux.
837 # If we are using a cross compiler then don't configure newlib.
838 if test x${is_cross_compiler} != xno ; then
839 noconfigdirs="$noconfigdirs target-newlib"
840 fi
841 noconfigdirs="$noconfigdirs target-libgloss"
842 # If we are not using a cross compiler, do configure newlib.
843 # Note however, that newlib will only be configured in this situation
844 # if the --with-newlib option has been given, because otherwise
845 # 'target-newlib' will appear in skipdirs.
846 ;;
847 i[[3456789]]86-*-rdos*)
848 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
849 ;;
850 sh*-*-pe|mips*-*-pe|arm-wince-pe)
851 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
852 ;;
853 sparc-*-sunos4*)
854 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
855 ;;
856 *-*-aix*)
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 ;;
859 *-*-beos*)
860 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 ;;
75205f78 862 *-*-chorusos)
b2f14e4a 863 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 864 ;;
c7e4b184
JM		 865 *-*-dragonfly*)
866 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 ;;
868 *-*-freebsd*)
869 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 ;;
871 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 ;;
874 *-*-lynxos*)
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 876 ;;
c7e4b184
JM		 877 *-*-mingw*)
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 ;;
880 *-*-netbsd*)
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 ;;
883 *-*-netware*)
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 ;;
886 *-*-tpf*)
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 ;;
889 *-*-uclinux*)
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 ;;
892 *-*-vxworks*)
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 ;;
895esac
896
897case "${target}" in
898 *-*-chorusos)
899 ;;
24741ab2 900 powerpc-*-darwin*)
9d39db92 901 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 902 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 903 ;;
85bd1942
TG		 904 i[[3456789]]86-*-darwin*)
905 noconfigdirs="$noconfigdirs ld gprof"
906 noconfigdirs="$noconfigdirs sim target-rda"
907 ;;
e8a5fa9c 908 x86_64-*-darwin[[912]]*)
652dec25
TG		 909 noconfigdirs="$noconfigdirs ld gas gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
911 ;;
04d1ab34 912 *-*-darwin*)
d320aacb 913 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 914 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 915 ;;
5b806d27 916 *-*-dragonfly*)
5b806d27 917 ;;
de0b4a87 918 *-*-freebsd*)
4b1cb4fe
DD		 919 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
920 && test -f /usr/local/include/gmp.h; then
921 with_gmp=/usr/local
922 fi
4b1cb4fe 923 ;;
f8a495c8
NC		 924 *-*-kaos*)
925 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 926 noconfigdirs="$noconfigdirs target-libgloss"
927 ;;
e82380cc 928 *-*-netbsd*)
e82380cc 929 ;;
2a3124ca 930 *-*-netware*)
252b5132
RH		 931 ;;
932 *-*-rtems*)
9863d716 933 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 934 ;;
1587117a
EC		 935 # The tpf target doesn't support gdb yet.
936 *-*-tpf*)
c7e4b184 937 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 938 ;;
c1968181 939 *-*-uclinux*)
c7e4b184 940 noconfigdirs="$noconfigdirs target-rda"
c1968181 941 ;;
252b5132 942 *-*-vxworks*)
252b5132
RH		 943 ;;
944 alpha*-dec-osf*)
e99daf2b 945 # ld works, but does not support shared libraries.
252b5132 946 # gas doesn't generate exception information.
c7e4b184 947 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 948 ;;
949 alpha*-*-*vms*)
9863d716 950 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 951 ;;
252b5132
RH		 952 alpha*-*-*)
953 # newlib is not 64 bit ready
9863d716 954 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 955 ;;
2fb651f6 956 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 957 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 958 ;;
f4cfb980 959 arc-*-*|arceb-*-*)
782cb41f 960 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 961 ;;
962 arm-*-pe*)
9863d716 963 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 964 ;;
252b5132 965 arm-*-riscix*)
b2f14e4a 966 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 967 ;;
8e71395b
L		 968 avr-*-rtems*)
969 ;;
970 avr-*-*)
971 if test x${with_avrlibc} != xno; then
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
973 fi
974 ;;
ff72e302 975 c4x-*-* | tic4x-*-*)
b2f14e4a 976 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 977 ;;
b2f14e4a
JM		 978 tic54x-*-*)
979 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 980 ;;
252b5132 981 d10v-*-*)
b2f14e4a 982 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 983 ;;
252b5132 984 d30v-*-*)
b2f14e4a 985 noconfigdirs="$noconfigdirs gdb"
252b5132 986 ;;
252b5132 987 fr30-*-elf*)
9863d716 988 noconfigdirs="$noconfigdirs gdb"
252b5132 989 ;;
20135e4c 990 moxie-*-*)
20135e4c
NC		 991 noconfigdirs="$noconfigdirs gprof"
992 ;;
dd1e52a4 993 h8300*-*-*)
9863d716 994 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 995 ;;
252b5132 996 h8500-*-*)
b2f14e4a 997 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 998 ;;
caeba88f 999 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1000 ;;
93cc359e 1001 hppa*64*-*-linux*)
252b5132 1002 ;;
f0ff0f90 1003 hppa*-*-linux*)
5dcac624 1004 ;;
252b5132 1005 hppa*-*-*elf* | \
09e90eb4 1006 hppa*-*-lites* | \
17240c1f 1007 hppa*-*-openbsd* | \
09e90eb4 1008 hppa*64*-*-*)
4f0ef2d8
CD		 1009 ;;
1010 hppa*-hp-hpux11*)
0377a422 1011 noconfigdirs="$noconfigdirs ld"
252b5132 1012 ;;
691bb5a1 1013 hppa*-*-pro*)
691bb5a1 1014 ;;
252b5132 1015 hppa*-*-*)
9863d716 1016 noconfigdirs="$noconfigdirs ld"
252b5132 1017 ;;
b07c2aad 1018 i960-*-*)
b2f14e4a 1019 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1020 ;;
2315914d
JW		 1021 ia64*-*-elf*)
1022 # No gdb support yet.
0377a422 1023 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1024 ;;
a0c1c920 1025 ia64*-**-hpux*)
92c9a463 1026 # No ld support yet.
9863d716 1027 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 1028 ;;
19e99079 1029 ia64*-*-*vms*)
7ec59b9e
L		 1030 # No ld support yet.
1031 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1032 ;;
1f53ca9a 1033 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1034 ;;
1035 i[[3456789]]86-*-mingw*)
45055374 1036 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1037 ;;
252b5132
RH		 1038 *-*-cygwin*)
1039 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1040 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1041 # always build newlib if winsup directory is present.
45055374 1042 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1043 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1044 elif test -d "$srcdir/newlib"; then
45055374 1045 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1046 fi
1f53ca9a 1047 ;;
ec11bdc6 1048 i[[3456789]]86-*-pe)
782cb41f 1049 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1050 ;;
ec11bdc6 1051 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1052 # The linker does not yet know about weak symbols in COFF,
1053 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1054 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1055 ;;
ec11bdc6 1056 i[[3456789]]86-*-sco*)
b2f14e4a 1057 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1058 ;;
cff32a7c 1059 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1060 noconfigdirs="$noconfigdirs target-libgloss"
1061 ;;
ec11bdc6 1062 i[[3456789]]86-*-sysv4*)
b2f14e4a 1063 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1064 ;;
ec11bdc6 1065 i[[3456789]]86-*-beos*)
c7e4b184 1066 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1067 ;;
b59bea8a 1068 i[[3456789]]86-*-rdos*)
c7e4b184 1069 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1070 ;;
75205f78 1071 mmix-*-*)
9863d716 1072 noconfigdirs="$noconfigdirs gdb"
75205f78 1073 ;;
4970f871 1074 mt-*-*)
cdb9b172
AH		 1075 noconfigdirs="$noconfigdirs sim"
1076 ;;
252b5132
RH		 1077 powerpc-*-aix*)
1078 # copied from rs6000-*-* entry
c7e4b184 1079 noconfigdirs="$noconfigdirs gprof"
252b5132 1080 ;;
93cc359e 1081 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1082 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1083 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1084 # always build newlib.
1085 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1086 ;;
1087 # This is temporary until we can link against shared libraries
1088 powerpcle-*-solaris*)
b2f14e4a 1089 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1090 ;;
1091 powerpc-*-beos*)
c7e4b184 1092 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1093 ;;
1094 rs6000-*-lynxos*)
c7e4b184 1095 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1096 ;;
1097 rs6000-*-aix*)
c7e4b184 1098 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1099 ;;
1100 rs6000-*-*)
9863d716 1101 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1102 ;;
1103 m68k-apollo-*)
b2f14e4a 1104 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1105 ;;
25a07265 1106 microblaze*)
9863d716 1107 noconfigdirs="$noconfigdirs gprof"
25a07265 1108 ;;
d09bbf00 1109 mips*-sde-elf* | mips*-mti-elf*)
5bd8be13
RS		 1110 if test x$with_newlib = xyes; then
1111 noconfigdirs="$noconfigdirs gprof"
1112 fi
5bd8be13 1113 ;;
252b5132 1114 mips*-*-irix5*)
b2f14e4a 1115 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1116 ;;
1117 mips*-*-irix6*)
9863d716 1118 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1119 ;;
252b5132 1120 mips*-*-bsd*)
e8044f35 1121 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1122 ;;
fad93c55 1123 mips*-*-linux*)
fad93c55 1124 ;;
e8044f35
RS		 1125 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1126 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1127 noconfigdirs="$noconfigdirs ld gas gprof"
1128 ;;
252b5132 1129 mips*-*-*)
9863d716 1130 noconfigdirs="$noconfigdirs gprof"
252b5132 1131 ;;
dbf85af7 1132 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1133 case "${target}" in
1134 sh*-*-elf)
9863d716 1135 ;;
e8a5fa9c 1136 *)
9863d716 1137 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1138 esac
252b5132 1139 ;;
252b5132 1140 sparc-*-sunos4*)
c7e4b184 1141 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1142 use_gnu_ld=no
1143 fi
1144 ;;
619a3713 1145 tic6x-*-*)
40ae9136 1146 noconfigdirs="$noconfigdirs sim"
619a3713 1147 ;;
eb4b2452
NC		 1148 tilepro-*-* | tilegx-*-*)
1149 noconfigdirs="$noconfigdirs sim"
1150 ;;
252b5132 1151 v810-*-*)
b2f14e4a 1152 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1153 ;;
1154 vax-*-*)
9863d716 1155 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1156 ;;
252b5132
RH		 1157esac
1158
1159# If we aren't building newlib, then don't build libgloss, since libgloss
1160# depends upon some newlib header files.
1161case "${noconfigdirs}" in
1162 *target-libgloss*) ;;
1163 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1164esac
252b5132 1165
f48556b1 1166# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1167host_makefile_frag=/dev/null
f48556b1
DD		 1168if test -d ${srcdir}/config ; then
1169case "${host}" in
ec11bdc6 1170 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1171 host_makefile_frag="config/mh-djgpp"
1172 ;;
1173 *-cygwin*)
e33b51a6 1174 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1175 host_makefile_frag="config/mh-cygwin"
1176 ;;
8a1599ab 1177 *-mingw*)
84e7906e 1178 host_makefile_frag="config/mh-mingw"
80f6dcbc 1179 ;;
da888c87 1180 hppa*-hp-hpux10*)
da888c87 1181 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1182 ;;
3516a403 1183 hppa*-hp-hpux*)
da888c87
PB		 1184 host_makefile_frag="config/mh-pa"
1185 ;;
7ec59b9e 1186 hppa*-*)
da888c87
PB		 1187 host_makefile_frag="config/mh-pa"
1188 ;;
e552509b
ILT		 1189 *-*-darwin*)
1190 host_makefile_frag="config/mh-darwin"
0df3d27f 1191 ;;
f6d183c0
PB		 1192 powerpc-*-aix*)
1193 host_makefile_frag="config/mh-ppc-aix"
1194 ;;
1195 rs6000-*-aix*)
1196 host_makefile_frag="config/mh-ppc-aix"
1197 ;;
f48556b1
DD		 1198esac
1199fi
1200
9e07f89d 1201if test "${build}" != "${host}" ; then
b5714970
PB		 1202 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1203 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1204 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1205 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1206 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1207 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1208 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1209 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1210 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1211 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1212 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1213 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1214 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1215else
b5714970
PB		 1216 AR_FOR_BUILD="\$(AR)"
1217 AS_FOR_BUILD="\$(AS)"
9e07f89d 1218 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1219 CXX_FOR_BUILD="\$(CXX)"
1220 GCJ_FOR_BUILD="\$(GCJ)"
1221 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1222 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1223 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1224 LD_FOR_BUILD="\$(LD)"
1225 NM_FOR_BUILD="\$(NM)"
1226 RANLIB_FOR_BUILD="\$(RANLIB)"
1227 WINDRES_FOR_BUILD="\$(WINDRES)"
1228 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1229fi
9e07f89d 1230
24ff9987
DJ		 1231AC_PROG_CC
1232AC_PROG_CXX
1233
1234# We must set the default linker to the linker used by gcc for the correct
1235# operation of libtool. If LD is not defined and we are using gcc, try to
1236# set the LD default to the ld used by gcc.
1237if test -z "$LD"; then
1238 if test "$GCC" = yes; then
1239 case $build in
1240 *-*-mingw*)
1241 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1242 *)
1243 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1244 esac
1245 case $gcc_prog_ld in
1246 # Accept absolute paths.
1247 [[\\/]* | [A-Za-z]:[\\/]*)]
1248 LD="$gcc_prog_ld" ;;
1249 esac
1250 fi
9e07f89d
NN		 1251fi
1252
b3676d82
EB		 1253# Check whether -static-libstdc++ -static-libgcc is supported.
1254have_static_libs=no
1255if test "$GCC" = yes; then
1256 saved_LDFLAGS="$LDFLAGS"
1257
1258 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1259 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1260 AC_LANG_PUSH(C++)
a882be68
EB		 1261 AC_LINK_IFELSE([
1262#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1263#error -static-libstdc++ not implemented
1264#endif
1265int main() {}],
b3676d82
EB		 1266 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1267 [AC_MSG_RESULT([no])])
1268 AC_LANG_POP(C++)
1269
1270 LDFLAGS="$saved_LDFLAGS"
1271fi
1272
9e07f89d 1273ACX_PROG_GNAT
b8908782 1274ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1275
ffdd6afc
ILT		 1276AC_ARG_ENABLE([bootstrap],
1277[AS_HELP_STRING([--enable-bootstrap],
1278 [enable bootstrapping @<:@yes if native build@:>@])],,
1279enable_bootstrap=default)
1280
1281# Issue errors and warnings for invalid/strange bootstrap combinations.
1282if test -r $srcdir/gcc/configure; then
1283 have_compiler=yes
1284else
1285 have_compiler=no
1286fi
1287
1288case "$have_compiler:$host:$target:$enable_bootstrap" in
1289 *:*:*:no) ;;
1290
1291 # Default behavior. Enable bootstrap if we have a compiler
1292 # and we are in a native configuration.
1293 yes:$build:$build:default)
1294 enable_bootstrap=yes ;;
1295
1296 *:*:*:default)
1297 enable_bootstrap=no ;;
1298
1299 # We have a compiler and we are in a native configuration, bootstrap is ok
1300 yes:$build:$build:yes)
1301 ;;
1302
1303 # Other configurations, but we have a compiler. Assume the user knows
1304 # what he's doing.
1305 yes:*:*:yes)
1306 AC_MSG_WARN([trying to bootstrap a cross compiler])
1307 ;;
1308
1309 # No compiler: if they passed --enable-bootstrap explicitly, fail
1310 no:*:*:yes)
1311 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1312
1313 # Fail if wrong command line
1314 *)
1315 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1316 ;;
1317esac
1318
d5f2ee2e
KG		 1319# Used for setting $lt_cv_objdir
1320_LT_CHECK_OBJDIR
1321
e8a5fa9c 1322# Check for GMP, MPFR and MPC
d9b76ff9 1323gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1324gmpinc=
4b900473 1325have_gmp=no
e8a5fa9c
RW		 1326
1327# Specify a location for mpc
1328# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1329AC_ARG_WITH(mpc,
1330[AS_HELP_STRING([--with-mpc=PATH],
1331 [specify prefix directory for installed MPC package.
1332 Equivalent to --with-mpc-include=PATH/include
1333 plus --with-mpc-lib=PATH/lib])])
1334AC_ARG_WITH(mpc-include,
1335[AS_HELP_STRING([--with-mpc-include=PATH],
1336 [specify directory for installed MPC include files])])
1337AC_ARG_WITH(mpc-lib,
1338[AS_HELP_STRING([--with-mpc-lib=PATH],
1339 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1340
1341if test "x$with_mpc" != x; then
d9b76ff9
KG		 1342 gmplibs="-L$with_mpc/lib $gmplibs"
1343 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1344fi
1345if test "x$with_mpc_include" != x; then
d9b76ff9 1346 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1347fi
1348if test "x$with_mpc_lib" != x; then
d9b76ff9 1349 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1350fi
1351if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1352 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1353 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1354 # Do not test the mpc version. Assume that it is sufficient, since
1355 # it is in the source tree, and the library has not been built yet
1356 # but it would be included on the link line in the version check below
1357 # hence making the test fail.
d9b76ff9 1358 have_gmp=yes
e8a5fa9c 1359fi
4b900473 1360
11b04d1f
DD		 1361# Specify a location for mpfr
1362# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1363AC_ARG_WITH(mpfr-dir,
1364[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1365[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1366Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1367
1368AC_ARG_WITH(mpfr,
1369[AS_HELP_STRING([--with-mpfr=PATH],
1370 [specify prefix directory for installed MPFR package.
1371 Equivalent to --with-mpfr-include=PATH/include
1372 plus --with-mpfr-lib=PATH/lib])])
1373AC_ARG_WITH(mpfr-include,
1374[AS_HELP_STRING([--with-mpfr-include=PATH],
1375 [specify directory for installed MPFR include files])])
1376AC_ARG_WITH(mpfr-lib,
1377[AS_HELP_STRING([--with-mpfr-lib=PATH],
1378 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1379
1380if test "x$with_mpfr" != x; then
1381 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1382 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1383fi
8a0d8a5c 1384if test "x$with_mpfr_include" != x; then
d9b76ff9 1385 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1386fi
1387if test "x$with_mpfr_lib" != x; then
1388 gmplibs="-L$with_mpfr_lib $gmplibs"
1389fi
4b900473 1390if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1391 # MPFR v3.1.0 moved the sources into a src sub-directory.
1392 if test -d ${srcdir}/mpfr/src; then
1393 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1394 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1395 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1396 else
1397 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1398 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1399 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1400 fi
4b900473
PB		 1401 # Do not test the mpfr version. Assume that it is sufficient, since
1402 # it is in the source tree, and the library has not been built yet
1403 # but it would be included on the link line in the version check below
1404 # hence making the test fail.
1405 have_gmp=yes
1406fi
11b04d1f 1407
4b1cb4fe 1408# Specify a location for gmp
7837304f
AS		 1409AC_ARG_WITH(gmp-dir,
1410[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1411[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1412Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1413
1414AC_ARG_WITH(gmp,
1415[AS_HELP_STRING([--with-gmp=PATH],
1416 [specify prefix directory for the installed GMP package.
1417 Equivalent to --with-gmp-include=PATH/include
1418 plus --with-gmp-lib=PATH/lib])])
1419AC_ARG_WITH(gmp-include,
1420[AS_HELP_STRING([--with-gmp-include=PATH],
1421 [specify directory for installed GMP include files])])
1422AC_ARG_WITH(gmp-lib,
1423[AS_HELP_STRING([--with-gmp-lib=PATH],
1424 [specify directory for the installed GMP library])])
4b1cb4fe 1425
4b1cb4fe 1426
11b04d1f
DD		 1427if test "x$with_gmp" != x; then
1428 gmplibs="-L$with_gmp/lib $gmplibs"
1429 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1430fi
8a0d8a5c
PB		 1431if test "x$with_gmp_include" != x; then
1432 gmpinc="-I$with_gmp_include $gmpinc"
1433fi
1434if test "x$with_gmp_lib" != x; then
1435 gmplibs="-L$with_gmp_lib $gmplibs"
1436fi
4b900473 1437if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1438 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1439 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1440 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1441 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1442 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1443 # Do not test the gmp version. Assume that it is sufficient, since
1444 # it is in the source tree, and the library has not been built yet
1445 # but it would be included on the link line in the version check below
1446 # hence making the test fail.
1447 have_gmp=yes
1448fi
4b1cb4fe 1449
ceb92e78 1450if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1451 have_gmp=yes
1452 saved_CFLAGS="$CFLAGS"
1453 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1454 # Check for the recommended and required versions of GMP.
1455 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1456 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1457 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1458 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1459 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1460 choke me
4b900473 1461 #endif
a009f2e7 1462 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1463 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1464 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1465 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1466 choke me
1467 #endif
a009f2e7 1468 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1469 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1470
e8a5fa9c 1471 # If we have GMP, check the MPFR version.
4b900473 1472 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1473 # Check for the recommended and required versions of MPFR.
1474 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1475 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1476 #include <mpfr.h>],[
7ec59b9e 1477 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1478 choke me
1479 #endif
a009f2e7 1480 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1481 #include <mpfr.h>],[
a6b5846e 1482 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1483 choke me
1484 #endif
a009f2e7 1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1486 [AC_MSG_RESULT([no]); have_gmp=no])
1487 fi
1488
1489 # Check for the MPC header version.
d9b76ff9 1490 if test x"$have_gmp" = xyes ; then
a6b5846e 1491 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1492 AC_MSG_CHECKING([for the correct version of mpc.h])
1493 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1494 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1495 choke me
1496 #endif
a009f2e7 1497 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1498 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1499 choke me
1500 #endif
a009f2e7 1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1502 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1503 fi
1504
1505 # Now check the MPFR library.
1506 if test x"$have_gmp" = xyes; then
1507 saved_LIBS="$LIBS"
1508 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1509 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1510 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1511 mpfr_t n;
1512 mpfr_t x;
d9b76ff9 1513 mpc_t c;
4b900473 1514 int t;
a3ca38d2
DD		 1515 mpfr_init (n);
1516 mpfr_init (x);
4b900473
PB		 1517 mpfr_atan2 (n, n, x, GMP_RNDN);
1518 mpfr_erfc (n, x, GMP_RNDN);
1519 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1520 mpfr_clear(n);
1521 mpfr_clear(x);
1522 mpc_init2 (c, 53);
1523 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1524 mpc_cosh (c, c, MPC_RNDNN);
1525 mpc_pow (c, c, c, MPC_RNDNN);
1526 mpc_acosh (c, c, MPC_RNDNN);
1527 mpc_clear (c);
e8a5fa9c
RW		 1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1529 LIBS="$saved_LIBS"
4b900473 1530 fi
e8a5fa9c 1531
4b900473 1532 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1533
a6b5846e
KG		 1534# The library versions listed in the error message below should match
1535# the HARD-minimums enforced above.
4b900473 1536 if test x$have_gmp != xyes; then
7ec59b9e 1537 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1538Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1539their locations. Source code for these libraries can be found at
1540their respective hosting sites as well as at
1541ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1542http://gcc.gnu.org/install/prerequisites.html for additional info. If
1543you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1544make sure that you have installed both the libraries and the header
1545files. They may be located in separate packages.])
4b900473 1546 fi
9dbaa842
DD		 1547fi
1548
e8a5fa9c 1549# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1550AC_SUBST(gmplibs)
1551AC_SUBST(gmpinc)
e8a5fa9c
RW		 1552AC_SUBST(extra_mpfr_configure_flags)
1553AC_SUBST(extra_mpc_gmp_configure_flags)
1554AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1555AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1556
29383458 1557# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1558AC_ARG_WITH(host-libstdcxx,
1559[AS_HELP_STRING([--with-host-libstdcxx=L],
1560 [use linker arguments L to link with libstdc++
1561 when linking with PPL])])
29383458
JM		 1562
1563case $with_host_libstdcxx in
1564 no|yes)
1565 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1566 ;;
1567esac
e28c595f 1568
e8a5fa9c
RW		 1569# Libraries to use for stage1 or when not bootstrapping.
1570AC_ARG_WITH(stage1-libs,
7837304f 1571[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1572[if test "$withval" = "no" -o "$withval" = "yes"; then
1573 stage1_libs=
1574 else
1575 stage1_libs=$withval
1576 fi],
1577[stage1_libs=$with_host_libstdcxx])
1578AC_SUBST(stage1_libs)
1579
b3676d82
EB		 1580# Linker flags to use for stage1 or when not bootstrapping.
1581AC_ARG_WITH(stage1-ldflags,
1582[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1583[if test "$withval" = "no" -o "$withval" = "yes"; then
1584 stage1_ldflags=
1585 else
1586 stage1_ldflags=$withval
1587 fi],
1588[stage1_ldflags=
1589 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1590 # if supported. But if the user explicitly specified the libraries to use,
1591 # trust that they are doing what they want.
1592 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1593 stage1_ldflags="-static-libstdc++ -static-libgcc"
1594 fi])
1595AC_SUBST(stage1_ldflags)
1596
e8a5fa9c
RW		 1597# Libraries to use for stage2 and later builds. This defaults to the
1598# argument passed to --with-host-libstdcxx.
1599AC_ARG_WITH(boot-libs,
7837304f 1600[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1601[if test "$withval" = "no" -o "$withval" = "yes"; then
1602 poststage1_libs=
1603 else
1604 poststage1_libs=$withval
1605 fi],
1606[poststage1_libs=$with_host_libstdcxx])
1607AC_SUBST(poststage1_libs)
1608
143754cd
NC		 1609# Linker flags to use for stage2 and later builds.
1610AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1611[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1612 [linker flags for stage2 and later])],
143754cd
NC		 1613[if test "$withval" = "no" -o "$withval" = "yes"; then
1614 poststage1_ldflags=
1615 else
1616 poststage1_ldflags=$withval
1617 fi],
1618[poststage1_ldflags=
4f11b223
ILT		 1619 # In stages 2 and 3, default to linking libstdc++ and libgcc
1620 # statically. But if the user explicitly specified the libraries to
1621 # use, trust that they are doing what they want.
1622 if test "$poststage1_libs" = ""; then
143754cd
NC		 1623 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1624 fi])
1625AC_SUBST(poststage1_ldflags)
1626
8e71395b
L		 1627# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1628# Basic setup is inlined here, actual checks are in config/cloog.m4 and
1629# config/isl.m4
1630
1631AC_ARG_WITH(cloog,
1632 [AS_HELP_STRING(
1633 [--with-cloog=PATH],
1634 [Specify prefix directory for the installed CLooG-ISL package.
1635 Equivalent to --with-cloog-include=PATH/include
1636 plus --with-cloog-lib=PATH/lib])])
1637AC_ARG_WITH(isl,
1638 [AS_HELP_STRING(
1639 [--with-isl=PATH],
1640 [Specify prefix directory for the installed ISL package.
1641 Equivalent to --with-isl-include=PATH/include
1642 plus --with-isl-lib=PATH/lib])])
1643
1644# Treat either --without-cloog or --without-isl as a request to disable
1645# GRAPHITE support and skip all following checks.
1646if test "x$with_isl" != "xno" &&
1647 test "x$with_cloog" != "xno"; then
1648 # Check for ISL
1649 dnl Provide configure switches and initialize islinc & isllibs
1650 dnl with user input.
1651 ISL_INIT_FLAGS
3dae1673 1652 dnl The versions of ISL that work for Graphite
7ec59b9e 1653 ISL_CHECK_VERSION(0,10)
3dae1673
JBG		 1654 if test "${gcc_cv_isl}" = no ; then
1655 ISL_CHECK_VERSION(0,11)
b3fc79f8
JBG		 1656 if test "${gcc_cv_isl}" = no ; then
1657 ISL_CHECK_VERSION(0,12)
1658 fi
3dae1673 1659 fi
7ec59b9e
L		 1660 dnl Only execute fail-action, if ISL has been requested.
1661 ISL_IF_FAILED([
1662 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f 1663
8e71395b
L		 1664 if test "x$gcc_cv_isl" != "xno"; then
1665 # Check for CLOOG
1666 dnl Provide configure switches and initialize clooginc & clooglibs
1667 dnl with user input.
1668 CLOOG_INIT_FLAGS
3dae1673 1669 dnl The versions of CLooG that work for Graphite.
8e71395b 1670 CLOOG_CHECK_VERSION(0,17,0)
3dae1673
JBG		 1671 if test "${gcc_cv_cloog}" = no ; then
1672 CLOOG_CHECK_VERSION(0,18,0)
1673 fi
8e71395b
L		 1674
1675 dnl Only execute fail-action, if CLooG has been requested.
1676 CLOOG_IF_FAILED([
1677 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1678 fi
e28c595f
JM		 1679fi
1680
7ec59b9e
L		 1681# If either the ISL or the CLooG check failed, disable builds of in-tree
1682# variants of both
8e71395b
L		 1683if test "x$with_isl" = xno ||
1684 test "x$with_cloog" = xno ||
1685 test "x$gcc_cv_cloog" = xno ||
1686 test "x$gcc_cv_isl" = xno; then
7ec59b9e 1687 noconfigdirs="$noconfigdirs cloog isl"
8e71395b
L		 1688 islinc=
1689 clooginc=
1690 clooglibs=
7ec59b9e
L		 1691fi
1692
8e71395b
L		 1693AC_SUBST(islinc)
1694AC_SUBST(clooglibs)
1695AC_SUBST(clooginc)
1696
1697
700d40ca
ILT		 1698# Check for LTO support.
1699AC_ARG_ENABLE(lto,
7837304f 1700[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1701enable_lto=$enableval,
1702enable_lto=yes; default_enable_lto=yes)
1703
74cea91b
DK		 1704ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1705 build_lto_plugin=yes
1706],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1707 case $target in
899b04ef 1708 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1709 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1710 *) enable_lto=no ;;
1711 esac
e49e5c92 1712 else
29821356
RW		 1713 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1714 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1715 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1716 # warn during gcc/ subconfigure; unless you're bootstrapping with
1717 # -flto it won't be needed until after installation anyway.
1718 case $target in
a8eb3f0a 1719 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1720 *) if test x"$enable_lto" = x"yes"; then
1721 AC_MSG_ERROR([LTO support is not enabled for this target.])
1722 fi
1723 ;;
1724 esac
1725 fi
a8eb3f0a 1726 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1727 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1728 case $target in
74cea91b 1729 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1730 *) ;;
1731 esac
74cea91b 1732])
700d40ca 1733
e28c595f 1734
7ec59b9e 1735# By default, C and C++ are the only stage 1 languages.
9b134994 1736stage1_languages=,c,
1d39f329 1737
e8a5fa9c 1738# Target libraries that we bootstrap.
2aa2364a 1739bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1740
9e07f89d
NN		 1741# Figure out what language subdirectories are present.
1742# Look if the user specified --enable-languages="..."; if not, use
1743# the environment variable $LANGUAGES if defined. $LANGUAGES might
1744# go away some day.
1745# NB: embedded tabs in this IF block -- do not untabify
1746if test -d ${srcdir}/gcc; then
1747 if test x"${enable_languages+set}" != xset; then
1748 if test x"${LANGUAGES+set}" = xset; then
1749 enable_languages="${LANGUAGES}"
1750 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1751 else
1752 enable_languages=all
1753 fi
1754 else
1755 if test x"${enable_languages}" = x ||
1756 test x"${enable_languages}" = xyes;
1757 then
1758 echo configure.in: --enable-languages needs at least one language argument 1>&2
1759 exit 1
1760 fi
1761 fi
1762 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1763
096f7d00
DE		 1764 # 'f95' is the old name for the 'fortran' language. We issue a warning
1765 # and make the substitution.
1766 case ,${enable_languages}, in
1767 *,f95,*)
1768 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1769 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1770 ;;
1771 esac
1772
7ec59b9e
L		 1773 # If bootstrapping, C++ must be enabled.
1774 case ",$enable_languages,:$enable_bootstrap" in
1775 *,c++,*:*) ;;
1776 *:yes)
ffdd6afc
ILT		 1777 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1778 enable_languages="${enable_languages},c++"
1779 else
7ec59b9e 1780 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1781 fi
1782 ;;
1783 esac
1784
9e07f89d
NN		 1785 # First scan to see if an enabled language requires some other language.
1786 # We assume that a given config-lang.in will list all the language
1787 # front ends it requires, even if some are required indirectly.
1788 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1789 case ${lang_frag} in
1790 ..) ;;
1791 # The odd quoting in the next line works around
1792 # an apparent bug in bash 1.12 on linux.
1793 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1794 *)
e552509b
ILT		 1795 # From the config-lang.in, get $language, $lang_requires, and
1796 # $lang_requires_boot_languages.
9e07f89d
NN		 1797 language=
1798 lang_requires=
e552509b 1799 lang_requires_boot_languages=
9e07f89d 1800 . ${lang_frag}
e552509b 1801 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1802 case ,${enable_languages}, in
1803 *,$other,*) ;;
1804 *,all,*) ;;
1805 *,$language,*)
1806 echo " \`$other' language required by \`$language'; enabling" 1>&2
1807 enable_languages="${enable_languages},${other}"
1808 ;;
1809 esac
1810 done
e552509b
ILT		 1811 for other in ${lang_requires_boot_languages} ; do
1812 if test "$other" != "c"; then
1813 case ,${enable_stage1_languages}, in
1814 *,$other,*) ;;
1815 *,all,*) ;;
1816 *)
1817 case ,${enable_languages}, in
1818 *,$language,*)
1819 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1820 enable_stage1_languages="$enable_stage1_languages,${other}"
1821 ;;
1822 esac
1823 ;;
1824 esac
1825 fi
1826 done
9e07f89d
NN		 1827 ;;
1828 esac
1829 done
1830
9b134994 1831 new_enable_languages=,c,
700d40ca
ILT		 1832
1833 # If LTO is enabled, add the LTO front end.
1834 extra_host_libiberty_configure_flags=
1835 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1836 case ,${enable_languages}, in
1837 *,lto,*) ;;
1838 *) enable_languages="${enable_languages},lto" ;;
1839 esac
a8eb3f0a 1840 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1841 configdirs="$configdirs lto-plugin"
1842 extra_host_libiberty_configure_flags=--enable-shared
1843 fi
1844 fi
1845 AC_SUBST(extra_host_libiberty_configure_flags)
1846
9e07f89d 1847 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1848 potential_languages=,c,
9e07f89d 1849
9e1a94f4
ILT		 1850 enabled_target_libs=
1851 disabled_target_libs=
1852
9e07f89d
NN		 1853 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1854 case ${lang_frag} in
1855 ..) ;;
1856 # The odd quoting in the next line works around
1857 # an apparent bug in bash 1.12 on linux.
1858 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1859 *)
7ec59b9e 1860 # From the config-lang.in, get $language, $target_libs,
1d39f329 1861 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1862 language=
1863 target_libs=
1864 lang_dirs=
64ce424c 1865 subdir_requires=
9b134994
PB		 1866 boot_language=no
1867 build_by_default=yes
9e07f89d 1868 . ${lang_frag}
9b134994
PB		 1869 if test x${language} = x; then
1870 echo "${lang_frag} doesn't set \$language." 1>&2
1871 exit 1
1872 fi
1873
ffdd6afc 1874 if test "$language" = "c++"; then
7ec59b9e 1875 boot_language=yes
e8a5fa9c
RW		 1876 fi
1877
8e71395b 1878 add_this_lang=no
9b134994
PB		 1879 case ,${enable_languages}, in
1880 *,${language},*)
7ec59b9e
L		 1881 # Language was explicitly selected; include it
1882 # unless it is C, which is enabled by default.
1883 if test "$language" != "c"; then
1884 add_this_lang=yes
1885 fi
9e07f89d 1886 ;;
9b134994
PB		 1887 *,all,*)
1888 # 'all' was selected, select it if it is a default language
8e71395b
L		 1889 if test "$language" != "c"; then
1890 add_this_lang=${build_by_default}
1891 fi
9e07f89d
NN		 1892 ;;
1893 esac
4b1cb4fe 1894
64ce424c 1895 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1896 for i in $subdir_requires; do
3d3adb43 1897 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1898 case ,${enable_languages}, in
1899 *,${language},*)
1900 # Specifically requested language; tell them.
1901 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1902 ;;
1903 *)
1904 # Silently disable.
9b134994 1905 add_this_lang=unsupported
64ce424c
PB		 1906 ;;
1907 esac
1908 done
1909
9b134994
PB		 1910 # Disable Ada if no preexisting GNAT is available.
1911 case ,${enable_languages},:${language}:${have_gnat} in
1912 *,${language},*:ada:no)
1913 # Specifically requested language; tell them.
1914 AC_MSG_ERROR([GNAT is required to build $language])
1915 ;;
1916 *:ada:no)
1917 # Silently disable.
1918 add_this_lang=unsupported
1919 ;;
1920 esac
1921
59f7ec45
HPN		 1922 # Disable a language that is unsupported by the target.
1923 case " $unsupported_languages " in
1924 *" $language "*)
9b134994 1925 add_this_lang=unsupported
59f7ec45
HPN		 1926 ;;
1927 esac
1928
4b1cb4fe 1929 case $add_this_lang in
9b134994 1930 unsupported)
9e07f89d 1931 # Remove language-dependent dirs.
9e1a94f4
ILT		 1932 disabled_target_libs="$disabled_target_libs $target_libs"
1933 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1934 ;;
9b134994
PB		 1935 no)
1936 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1937 disabled_target_libs="$disabled_target_libs $target_libs"
1938 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1939 potential_languages="${potential_languages}${language},"
1940 ;;
1941 yes)
1942 new_enable_languages="${new_enable_languages}${language},"
1943 potential_languages="${potential_languages}${language},"
1d39f329 1944 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1945 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1946 case "${boot_language}:,$enable_stage1_languages," in
1947 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1948 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1949 case ",$stage1_languages," in
1950 *,$language,* | ,yes, | ,all,) ;;
1951 *) stage1_languages="${stage1_languages}${language}," ;;
1952 esac
e8a5fa9c
RW		 1953 # We need to bootstrap any supporting libraries.
1954 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1955 ;;
1956 esac
1957 ;;
9e07f89d
NN		 1958 esac
1959 ;;
1960 esac
1961 done
1962
9e1a94f4
ILT		 1963 # Add target libraries which are only needed for disabled languages
1964 # to noconfigdirs.
1965 if test -n "$disabled_target_libs"; then
1966 for dir in $disabled_target_libs; do
1967 case " $enabled_target_libs " in
1968 *" ${dir} "*) ;;
1969 *) noconfigdirs="$noconfigdirs $dir" ;;
1970 esac
1971 done
1972 fi
1973
9b134994 1974 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1975 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1976 [choose additional languages to build during
1977 stage1. Mostly useful for compiler development])],
9b134994
PB		 1978 [case ,${enable_stage1_languages}, in
1979 ,no,|,,)
1980 # Set it to something that will have no effect in the loop below
1981 enable_stage1_languages=c ;;
1982 ,yes,)
1983 enable_stage1_languages=`echo $new_enable_languages | \
1984 sed -e "s/^,//" -e "s/,$//" ` ;;
1985 *,all,*)
1986 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1987 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1988 esac
1989
1990 # Add "good" languages from enable_stage1_languages to stage1_languages,
1991 # while "bad" languages go in missing_languages. Leave no duplicates.
1992 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1993 case $potential_languages in
1994 *,$i,*)
1995 case $stage1_languages in
1996 *,$i,*) ;;
1997 *) stage1_languages="$stage1_languages$i," ;;
1998 esac ;;
1999 *)
2000 case $missing_languages in
2001 *,$i,*) ;;
2002 *) missing_languages="$missing_languages$i," ;;
2003 esac ;;
2004 esac
2005 done])
2006
2007 # Remove leading/trailing commas that were added for simplicity
2008 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2009 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2010 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2011 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2012
9e07f89d
NN		 2013 if test "x$missing_languages" != x; then
2014 AC_MSG_ERROR([
27258dd4 2015The following requested languages could not be built: ${missing_languages}
9b134994 2016Supported languages are: ${potential_languages}])
9e07f89d 2017 fi
9e07f89d
NN		 2018 if test "x$new_enable_languages" != "x$enable_languages"; then
2019 echo The following languages will be built: ${new_enable_languages}
9b134994 2020 enable_languages="$new_enable_languages"
9e07f89d 2021 fi
9b134994
PB		 2022
2023 AC_SUBST(stage1_languages)
81ec575a 2024 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2025fi
2026
a6df5a19
PB		 2027# Handle --disable-<component> generically.
2028for dir in $configdirs $build_configdirs $target_configdirs ; do
2029 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2030 varname=`echo $dirname | sed -e s/+/_/g`
2031 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2032 noconfigdirs="$noconfigdirs $dir"
2033 fi
2034done
2035
4f0ef2d8
CD		 2036# Check for Boehm's garbage collector
2037AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2038[AS_HELP_STRING([--enable-objc-gc],
2039 [enable use of Boehm's garbage collector with the
2040 GNU Objective-C runtime])],
4f0ef2d8
CD		 2041[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2042 *,objc,*:*:yes:*target-boehm-gc*)
2043 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2044 ;;
2045esac])
2046
2047# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2048case ,${enable_languages},:${enable_objc_gc} in
2049 *,objc,*:yes)
4f0ef2d8
CD		 2050 # Keep target-boehm-gc if requested for Objective-C.
2051 ;;
4f0ef2d8 2052 *)
d42c4017
DA		 2053 # Otherwise remove target-boehm-gc depending on target-libjava.
2054 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2055 noconfigdirs="$noconfigdirs target-boehm-gc"
2056 fi
4f0ef2d8
CD		 2057 ;;
2058esac
2059
95e43135 2060# Disable libitm, libsanitizer, libvtv if we're not building C++
7ec59b9e
L		 2061case ,${enable_languages}, in
2062 *,c++,*) ;;
2063 *)
9aaf2a7e 2064 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2065 ;;
2066esac
2067
caeba88f
AL		 2068# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2069# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2070# If we have the source for $noconfigdirs entries, add them to $notsupp.
2071
2072notsupp=""
2073for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2074 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2075 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2076 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2077 if test -r $srcdir/$dirname/configure ; then
2078 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2079 true
2080 else
2081 notsupp="$notsupp $dir"
2082 fi
2083 fi
2084 fi
caeba88f
AL		 2085 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2086 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2087 if test -r $srcdir/$dirname/configure ; then
2088 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2089 true
2090 else
2091 notsupp="$notsupp $dir"
2092 fi
2093 fi
2094 fi
9e07f89d
NN		 2095 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2096 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2097 if test -r $srcdir/$dirname/configure ; then
2098 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2099 true
2100 else
2101 notsupp="$notsupp $dir"
2102 fi
2103 fi
2104 fi
2105done
2106
9e07f89d
NN		 2107# Quietly strip out all directories which aren't configurable in this tree.
2108# This relies on all configurable subdirectories being autoconfiscated, which
2109# is now the case.
6a9cf61e
PB		 2110build_configdirs_all="$build_configdirs"
2111build_configdirs=
2112for i in ${build_configdirs_all} ; do
7ec59b9e 2113 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2114 if test -f ${srcdir}/$j/configure ; then
2115 build_configdirs="${build_configdirs} $i"
2116 fi
2117done
2118
9e07f89d
NN		 2119configdirs_all="$configdirs"
2120configdirs=
2121for i in ${configdirs_all} ; do
2122 if test -f ${srcdir}/$i/configure ; then
2123 configdirs="${configdirs} $i"
2124 fi
2125done
6a9cf61e 2126
9e07f89d
NN		 2127target_configdirs_all="$target_configdirs"
2128target_configdirs=
2129for i in ${target_configdirs_all} ; do
7ec59b9e 2130 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2131 if test -f ${srcdir}/$j/configure ; then
2132 target_configdirs="${target_configdirs} $i"
2133 fi
2134done
2135
2136# Produce a warning message for the subdirs we can't configure.
2137# This isn't especially interesting in the Cygnus tree, but in the individual
2138# FSF releases, it's important to let people know when their machine isn't
2139# supported by the one or two programs in a package.
2140
2141if test -n "${notsupp}" && test -z "${norecursion}" ; then
2142 # If $appdirs is non-empty, at least one of those directories must still
2143 # be configured, or we error out. (E.g., if the gas release supports a
2144 # specified target in some subdirs but not the gas subdir, we shouldn't
2145 # pretend that all is well.)
2146 if test -n "$appdirs" ; then
2147 for dir in $appdirs ; do
2148 if test -r $dir/Makefile.in ; then
2149 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2150 appdirs=""
2151 break
2152 fi
6a9cf61e 2153 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2154 appdirs=""
2155 break
2156 fi
2157 fi
2158 done
2159 if test -n "$appdirs" ; then
2160 echo "*** This configuration is not supported by this package." 1>&2
2161 exit 1
2162 fi
2163 fi
2164 # Okay, some application will build, or we don't care to check. Still
2165 # notify of subdirs not getting built.
2166 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2167 echo " ${notsupp}" 1>&2
2168 echo " (Any other directories should still work fine.)" 1>&2
2169fi
2170
2171case "$host" in
2172 *msdosdjgpp*)
2173 enable_gdbtk=no ;;
2174esac
2175
24ff9987
DJ		 2176# To find our prefix, in gcc_cv_tool_prefix.
2177ACX_TOOL_DIRS
2178
9e07f89d
NN		 2179copy_dirs=
2180
7ec59b9e 2181AC_ARG_WITH([build-sysroot],
7837304f
AS		 2182 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2183 [use sysroot as the system root during the build])],
a19b6204
MM		 2184 [if test x"$withval" != x ; then
2185 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2186 fi],
2187 [SYSROOT_CFLAGS_FOR_TARGET=])
2188AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2189
8a6ee3ab 2190AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2191 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2192 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2193 [if test x"$withval" != x; then
2194 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2195 for debug_map in $withval; do
2196 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2197 done
2198 fi],
2199 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2200AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2201
7f6ef0c0
PB		 2202# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2203# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2204# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2205# We want to ensure that TARGET libraries (which we know are built with
2206# gcc) are built with "-O2 -g", so include those options when setting
2207# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2208if test "x$CFLAGS_FOR_TARGET" = x; then
2209 CFLAGS_FOR_TARGET=$CFLAGS
2210 case " $CFLAGS " in
2211 *" -O2 "*) ;;
68f107fa 2212 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2213 esac
2214 case " $CFLAGS " in
2215 *" -g "* | *" -g3 "*) ;;
68f107fa 2216 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2217 esac
2218fi
2219AC_SUBST(CFLAGS_FOR_TARGET)
2220
2221if test "x$CXXFLAGS_FOR_TARGET" = x; then
2222 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2223 case " $CXXFLAGS " in
2224 *" -O2 "*) ;;
68f107fa 2225 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2226 esac
2227 case " $CXXFLAGS " in
2228 *" -g "* | *" -g3 "*) ;;
68f107fa 2229 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2230 esac
2231fi
2232AC_SUBST(CXXFLAGS_FOR_TARGET)
2233
91c1f14c
DK		 2234AC_SUBST(LDFLAGS_FOR_TARGET)
2235
9e07f89d
NN		 2236# Handle --with-headers=XXX. If the value is not "yes", the contents of
2237# the named directory are copied to $(tooldir)/sys-include.
2238if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2239 if test x${is_cross_compiler} = xno ; then
2240 echo 1>&2 '***' --with-headers is only supported when cross compiling
2241 exit 1
2242 fi
2243 if test x"${with_headers}" != xyes ; then
24ff9987 2244 x=${gcc_cv_tool_prefix}
c6b750e1 2245 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2246 fi
2247fi
2248
2249# Handle --with-libs=XXX. If the value is not "yes", the contents of
2250# the name directories are copied to $(tooldir)/lib. Multiple directories
2251# are permitted.
2252if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2253 if test x${is_cross_compiler} = xno ; then
2254 echo 1>&2 '***' --with-libs is only supported when cross compiling
2255 exit 1
2256 fi
2257 if test x"${with_libs}" != xyes ; then
2258 # Copy the libraries in reverse order, so that files in the first named
2259 # library override files in subsequent libraries.
24ff9987 2260 x=${gcc_cv_tool_prefix}
9e07f89d 2261 for l in ${with_libs}; do
c6b750e1 2262 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2263 done
2264 fi
2265fi
2266
700d40ca 2267# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2268#
2269# This is done by determining whether or not the appropriate directory
2270# is available, and by checking whether or not specific configurations
2271# have requested that this magic not happen.
7ec59b9e
L		 2272#
2273# The command line options always override the explicit settings in
2429c060
PB		 2274# configure.in, and the settings in configure.in override this magic.
2275#
7ec59b9e 2276# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2277# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2278# --without-gnu-ld options for the configure script. Similarly, if
2279# the default is to use the included zlib and you don't want to do that,
2280# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2281
2282if test x${use_gnu_as} = x &&
2283 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2284 with_gnu_as=yes
2285 extra_host_args="$extra_host_args --with-gnu-as"
2286fi
2287
2288if test x${use_gnu_ld} = x &&
93f9b408 2289 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2290 with_gnu_ld=yes
2291 extra_host_args="$extra_host_args --with-gnu-ld"
2292fi
2293
700d40ca
ILT		 2294if test x${use_included_zlib} = x &&
2295 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2296 :
2297else
2298 with_system_zlib=yes
2299 extra_host_args="$extra_host_args --with-system-zlib"
2300fi
2301
2429c060
PB		 2302# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2303# can detect this case.
2304
2305if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2306 with_newlib=yes
2307 extra_host_args="$extra_host_args --with-newlib"
2308fi
2309
9e07f89d
NN		 2310# Handle ${copy_dirs}
2311set fnord ${copy_dirs}
2312shift
2313while test $# != 0 ; do
2314 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2315 :
2316 else
2317 echo Copying $1 to $2
2318
2319 # Use the install script to create the directory and all required
2320 # parent directories.
2321 if test -d $2 ; then
2322 :
2323 else
2324 echo >config.temp
2325 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2326 fi
2327
2328 # Copy the directory, assuming we have tar.
2329 # FIXME: Should we use B in the second tar? Not all systems support it.
2330 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2331
2332 # It is the responsibility of the user to correctly adjust all
2333 # symlinks. If somebody can figure out how to handle them correctly
2334 # here, feel free to add the code.
2335
2336 echo $1 > $2/COPIED
2337 fi
2338 shift; shift
2339done
2340
2429c060
PB		 2341# Determine a target-dependent exec_prefix that the installed
2342# gcc will search in. Keep this list sorted by triplet, with
2343# the *-*-osname triplets last.
2344md_exec_prefix=
2345case "${target}" in
521ec477 2346 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2347 md_exec_prefix=/dev/env/DJDIR/bin
2348 ;;
2429c060 2349 *-*-hpux* | \
2429c060 2350 *-*-nto-qnx* | \
1f111696 2351 *-*-solaris2*)
2429c060
PB		 2352 md_exec_prefix=/usr/ccs/bin
2353 ;;
2354esac
2355
874e38b4
NN		 2356extra_arflags_for_target=
2357extra_nmflags_for_target=
1086bc09 2358extra_ranlibflags_for_target=
a0da8069 2359target_makefile_frag=/dev/null
f48556b1 2360case "${target}" in
77d7106f
AM		 2361 spu-*-*)
2362 target_makefile_frag="config/mt-spu"
2363 ;;
d09bbf00 2364 mips*-sde-elf* | mips*-mti-elf*)
429acdec
RS		 2365 target_makefile_frag="config/mt-sde"
2366 ;;
f3b1e08e
RS		 2367 mipsisa*-*-elfoabi*)
2368 target_makefile_frag="config/mt-mips-elfoabi"
2369 ;;
e7c8859c
RS		 2370 mips*-*-*linux* | mips*-*-gnu*)
2371 target_makefile_frag="config/mt-mips-gnu"
2372 ;;
29383458 2373 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2374 target_makefile_frag="config/mt-gnu"
f48556b1 2375 ;;
a0da8069 2376 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2377 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2378 # commands to handle both 32-bit and 64-bit objects. These flags are
2379 # harmless if we're using GNU nm or ar.
2380 extra_arflags_for_target=" -X32_64"
2381 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2382 ;;
b6f83f2a
DD		 2383esac
2384
a0da8069 2385alphaieee_frag=/dev/null
b6f83f2a
DD		 2386case $target in
2387 alpha*-*-*)
2388 # This just makes sure to use the -mieee option to build target libs.
2389 # This should probably be set individually by each library.
2390 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2391 ;;
2392esac
a0a2c6c6 2393
f48556b1
DD		 2394# If --enable-target-optspace always use -Os instead of -O2 to build
2395# the target libraries, similarly if it is not specified, use -Os
2396# on selected platforms.
a0da8069 2397ospace_frag=/dev/null
f48556b1
DD		 2398case "${enable_target_optspace}:${target}" in
2399 yes:*)
b6f83f2a 2400 ospace_frag="config/mt-ospace"
f48556b1
DD		 2401 ;;
2402 :d30v-*)
b6f83f2a 2403 ospace_frag="config/mt-d30v"
f48556b1
DD		 2404 ;;
2405 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2406 ospace_frag="config/mt-ospace"
f48556b1
DD		 2407 ;;
2408 no:* | :*)
2409 ;;
2410 *)
2411 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2412 ;;
2413esac
252b5132 2414
a0da8069
NN		 2415# Some systems (e.g., one of the i386-aix systems the gas testers are
2416# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2417tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2418build_tooldir=${tooldir}
2419
a0da8069
NN		 2420# Create a .gdbinit file which runs the one in srcdir
2421# and tells GDB to look there for source files.
2422
2423if test -r ${srcdir}/.gdbinit ; then
2424 case ${srcdir} in
2425 .) ;;
2426 *) cat > ./.gdbinit <<EOF
2427# ${NO_EDIT}
2428dir ${srcdir}
2429dir .
2430source ${srcdir}/.gdbinit
2431EOF
2432 ;;
2433 esac
2434fi
2435
252b5132
RH		 2436# Make sure that the compiler is able to generate an executable. If it
2437# can't, we are probably in trouble. We don't care whether we can run the
2438# executable--we might be using a cross compiler--we only care whether it
2439# can be created. At this point the main configure script has set CC.
a0c4f3a0 2440we_are_ok=no
252b5132
RH		 2441echo "int main () { return 0; }" > conftest.c
2442${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2443if test $? = 0 ; then
2444 if test -s conftest || test -s conftest.exe ; then
2445 we_are_ok=yes
2446 fi
7ec59b9e 2447fi
a0c4f3a0
DD		 2448case $we_are_ok in
2449 no)
2450 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2451 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2452 rm -f conftest*
2453 exit 1
2454 ;;
2455esac
252b5132
RH		 2456rm -f conftest*
2457
3bbd2f8f 2458# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2459case "${host}" in
2460 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2461 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2462 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2463 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2464esac
8607b6c9 2465
3bbd2f8f 2466# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2467# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2468# built executables to PATH.
3bbd2f8f
AL		 2469if test "$RPATH_ENVVAR" = PATH; then
2470 GCC_SHLIB_SUBDIR=/shlib
2471else
2472 GCC_SHLIB_SUBDIR=
2473fi
2474
3866be5d
NN		 2475# Record target_configdirs and the configure arguments for target and
2476# build configuration in Makefile.
2477target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2478build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2479
2aa2364a
JR		 2480# If we are building libgomp, bootstrap it.
2481if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2482 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2483fi
2484
5eb08693
L		 2485# If we are building libsanitizer, bootstrap it.
2486if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2487 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2488fi
2489
95e43135
JBG		 2490# If we are building libvtv, bootstrap it.
2491if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then
2492 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2493fi
2494
930314a4
NN		 2495# Determine whether gdb needs tk/tcl or not.
2496# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2497# and in that case we want gdb to be built without tk. Ugh!
2498# In fact I believe gdb is the *only* package directly dependent on tk,
2499# so we should be able to put the 'maybe's in unconditionally and
2500# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2501# 100% sure that that's safe though.
c180f501 2502
675c6968 2503gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2504case "$enable_gdbtk" in
2505 no)
2506 GDB_TK="" ;;
c180f501
AC		 2507 yes)
2508 GDB_TK="${gdb_tk}" ;;
930314a4 2509 *)
c180f501
AC		 2510 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2511 # distro. Eventually someone will fix this and move Insight, nee
2512 # gdbtk to a separate directory.
2513 if test -d ${srcdir}/gdb/gdbtk ; then
2514 GDB_TK="${gdb_tk}"
2515 else
2516 GDB_TK=""
2517 fi
2518 ;;
930314a4 2519esac
907be67c
DJ		 2520CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2521INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2522
6bd3dfaa 2523# Strip out unwanted targets.
dd12c3a8
NN		 2524
2525# While at that, we remove Makefiles if we were started for recursive
2526# configuration, so that the top-level Makefile reconfigures them,
2527# like we used to do when configure itself was recursive.
dd12c3a8 2528
06a51eac
RW		 2529# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2530# but now we're fixing up the Makefile ourselves with the additional
2531# commands passed to AC_CONFIG_FILES. Use separate variables
2532# extrasub-{build,host,target} not because there is any reason to split
2533# the substitutions up that way, but only to remain below the limit of
2534# 99 commands in a script, for HP-UX sed.
2535# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2536
16b1ad29
RW		 2537case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2538 yes:yes:*\ gold\ *:*,c++,*) ;;
2539 yes:yes:*\ gold\ *:*)
2540 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2541 ;;
2542esac
2543
9cb3fa6f 2544# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2545case $enable_bootstrap in
498d4a71 2546 yes)
96655cc4
AO		 2547 bootstrap_suffix=bootstrap
2548 BUILD_CONFIG=bootstrap-debug
2549 ;;
498d4a71 2550 no)
96655cc4
AO		 2551 bootstrap_suffix=no-bootstrap
2552 BUILD_CONFIG=
2553 ;;
498d4a71 2554esac
498d4a71 2555
96655cc4
AO		 2556AC_MSG_CHECKING(for default BUILD_CONFIG)
2557
2558AC_ARG_WITH([build-config],
7837304f
AS		 2559 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2560 [use config/NAME.mk build configuration])],
96655cc4
AO		 2561 [case $with_build_config in
2562 yes) with_build_config= ;;
2563 no) with_build_config= BUILD_CONFIG= ;;
2564 esac])
2565
2566if test "x${with_build_config}" != x; then
2567 BUILD_CONFIG=$with_build_config
2568else
2569 case $BUILD_CONFIG in
2570 bootstrap-debug)
2571 if echo "int f (void) { return 0; }" > conftest.c &&
2572 ${CC} -c conftest.c &&
2573 mv conftest.o conftest.o.g0 &&
2574 ${CC} -c -g conftest.c &&
2575 mv conftest.o conftest.o.g &&
a009f2e7 2576 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO		 2577 :
2578 else
2579 BUILD_CONFIG=
2580 fi
2581 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2582 ;;
2583 esac
2584fi
2585AC_MSG_RESULT($BUILD_CONFIG)
2586AC_SUBST(BUILD_CONFIG)
2587
06a51eac 2588extrasub_build=
6a9cf61e 2589for module in ${build_configdirs} ; do
dd12c3a8
NN		 2590 if test -z "${no_recursion}" \
2591 && test -f ${build_subdir}/${module}/Makefile; then
2592 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2593 rm -f ${build_subdir}/${module}/Makefile
2594 fi
06a51eac 2595 extrasub_build="$extrasub_build
6bd3dfaa 2596/^@if build-$module\$/d
498d4a71
CF		 2597/^@endif build-$module\$/d
2598/^@if build-$module-$bootstrap_suffix\$/d
2599/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2600done
06a51eac 2601extrasub_host=
dd12c3a8 2602for module in ${configdirs} ; do
80911fe1 2603 if test -z "${no_recursion}"; then
8cf39b1b 2604 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2605 if test -f ${file}; then
2606 echo 1>&2 "*** removing ${file} to force reconfigure"
2607 rm -f ${file}
2608 fi
2609 done
dd12c3a8 2610 fi
06a51eac 2611 extrasub_host="$extrasub_host
6bd3dfaa 2612/^@if $module\$/d
498d4a71
CF		 2613/^@endif $module\$/d
2614/^@if $module-$bootstrap_suffix\$/d
2615/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2616done
06a51eac 2617extrasub_target=
dd12c3a8
NN		 2618for module in ${target_configdirs} ; do
2619 if test -z "${no_recursion}" \
2620 && test -f ${target_subdir}/${module}/Makefile; then
2621 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2622 rm -f ${target_subdir}/${module}/Makefile
2623 fi
e8a5fa9c
RW		 2624
2625 # We only bootstrap target libraries listed in bootstrap_target_libs.
2626 case $bootstrap_target_libs in
2627 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2628 *) target_bootstrap_suffix=no-bootstrap ;;
2629 esac
2630
06a51eac 2631 extrasub_target="$extrasub_target
6bd3dfaa 2632/^@if target-$module\$/d
498d4a71 2633/^@endif target-$module\$/d
e8a5fa9c
RW		 2634/^@if target-$module-$target_bootstrap_suffix\$/d
2635/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2636done
319cab08 2637
06a51eac
RW		 2638# Do the final fixup along with target modules.
2639extrasub_target="$extrasub_target
6bd3dfaa 2640/^@if /,/^@endif /d"
930314a4 2641
a2cc058a
NN		 2642# Create the serialization dependencies. This uses a temporary file.
2643
e6bfb94a 2644AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2645[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2646 [force sequential configuration of
2647 sub-packages for the host, target or build
2648 machine, or all sub-packages])])
1047cb91
DD		 2649
2650case ${enable_serial_configure} in
2651 yes)
2652 enable_serial_build_configure=yes
2653 enable_serial_host_configure=yes
2654 enable_serial_target_configure=yes
2655 ;;
2656esac
e6bfb94a 2657
a2cc058a
NN		 2658# These force 'configure's to be done one at a time, to avoid problems
2659# with contention over a shared config.cache.
2660rm -f serdep.tmp
e6bfb94a 2661echo '# serdep.tmp' > serdep.tmp
a2cc058a 2662olditem=
1047cb91 2663test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2664for item in ${build_configdirs} ; do
2665 case ${olditem} in
2666 "") ;;
e6bfb94a 2667 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2668 esac
2669 olditem=${item}
2670done
2671olditem=
1047cb91 2672test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2673for item in ${configdirs} ; do
2674 case ${olditem} in
2675 "") ;;
e6bfb94a 2676 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2677 esac
2678 olditem=${item}
2679done
2680olditem=
1047cb91 2681test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2682for item in ${target_configdirs} ; do
2683 case ${olditem} in
2684 "") ;;
e6bfb94a 2685 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2686 esac
2687 olditem=${item}
2688done
a0da8069
NN		 2689serialization_dependencies=serdep.tmp
2690AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2691
e6bfb94a 2692# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2693# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2694# might not want to pass down to subconfigures. The exception being
2695# --cache-file=/dev/null, which is used to turn off the use of cache
2696# files altogether, and which should be passed on to subconfigures.
2697# Also strip program-prefix, program-suffix, and program-transform-name,
2698# so that we can pass down a consistent program-transform-name.
c6b750e1 2699baseargs=
65b4571a 2700tbaseargs=
c6b750e1
DJ		 2701keep_next=no
2702skip_next=no
2703eval "set -- $ac_configure_args"
b0aaa663
DJ		 2704for ac_arg
2705do
c6b750e1
DJ		 2706 if test X"$skip_next" = X"yes"; then
2707 skip_next=no
2708 continue
2709 fi
2710 if test X"$keep_next" = X"yes"; then
2711 case $ac_arg in
2712 *\'*)
2713 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2714 esac
2715 baseargs="$baseargs '$ac_arg'"
65b4571a 2716 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2717 keep_next=no
2718 continue
2719 fi
2720
2721 # Handle separated arguments. Based on the logic generated by
2722 # autoconf 2.59.
2723 case $ac_arg in
2724 *=* | --config-cache | -C | -disable-* | --disable-* \
2725 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2726 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2727 | -with-* | --with-* | -without-* | --without-* | --x)
2728 separate_arg=no
2729 ;;
2730 -*)
2731 separate_arg=yes
2732 ;;
2733 *)
2734 separate_arg=no
2735 ;;
2736 esac
2737
65b4571a
AO		 2738 skip_targ=no
2739 case $ac_arg in
2740changequote(,)
2741 --with-* | --without-*)
2742 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2743
2744 case $libopt in
2745 *[-_]include)
2746 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2747 ;;
2748 *[-_]lib)
2749 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2750 ;;
2751 *)
2752 lib=$libopt
2753 ;;
2754 esac
2755changequote([,])
2756
2757 case $lib in
7ec59b9e 2758 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2759 # If we're processing --with-$lib, --with-$lib-include or
2760 # --with-$lib-lib, for one of the libs above, and target is
2761 # different from host, don't pass the current argument to any
2762 # target library's configure.
2763 if test x$is_cross_compiler = xyes; then
2764 skip_targ=yes
2765 fi
2766 ;;
2767 esac
2768 ;;
2769 esac
2770
c6b750e1 2771 case "$ac_arg" in
30167e0a
NC		 2772 --cache-file=/dev/null | \
2773 -cache-file=/dev/null )
2774 # Handled here to avoid the test to skip args below.
2775 baseargs="$baseargs '$ac_arg'"
65b4571a 2776 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2777 # Assert: $separate_arg should always be no.
2778 keep_next=$separate_arg
2779 ;;
c6b750e1
DJ		 2780 --no*)
2781 continue
2782 ;;
2783 --c* | \
2784 --sr* | \
2785 --ho* | \
2786 --bu* | \
2787 --t* | \
2788 --program-* | \
2789 -cache_file* | \
2790 -srcdir* | \
2791 -host* | \
2792 -build* | \
2793 -target* | \
2794 -program-prefix* | \
2795 -program-suffix* | \
2796 -program-transform-name* )
2797 skip_next=$separate_arg
2798 continue
2799 ;;
2800 -*)
2801 # An option. Add it.
2802 case $ac_arg in
2803 *\'*)
2804 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2805 esac
2806 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2807 if test X"$skip_targ" = Xno; then
2808 tbaseargs="$tbaseargs '$ac_arg'"
2809 fi
c6b750e1
DJ		 2810 keep_next=$separate_arg
2811 ;;
2812 *)
2813 # Either a variable assignment, or a nonopt (triplet). Don't
2814 # pass it down; let the Makefile handle this.
2815 continue
2816 ;;
2817 esac
2818done
2819# Remove the initial space we just introduced and, as these will be
2820# expanded by make, quote '$'.
2821baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2822
f27d4f92
DJ		 2823# Add in --program-transform-name, after --program-prefix and
2824# --program-suffix have been applied to it. Autoconf has already
2825# doubled dollar signs and backslashes in program_transform_name; we want
2826# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2827# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2828# Also, because we want to override the logic in subdir configure scripts to
2829# choose program_transform_name, replace any s,x,x, with s,y,y,.
2830sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2831${program_transform_name}
2832EOF_SED
2833gcc_transform_name=`cat conftestsed.out`
2834rm -f conftestsed.out
2835baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2836tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2837if test "$silent" = yes; then
2838 baseargs="$baseargs --silent"
65b4571a 2839 tbaseargs="$tbaseargs --silent"
2444379b 2840fi
34a0f3cf 2841baseargs="$baseargs --disable-option-checking"
65b4571a 2842tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2843
4074d5f2
RW		 2844# Record and document user additions to sub configure arguments.
2845AC_ARG_VAR([build_configargs],
2846 [additional configure arguments for build directories])
2847AC_ARG_VAR([host_configargs],
2848 [additional configure arguments for host directories])
2849AC_ARG_VAR([target_configargs],
2850 [additional configure arguments for target directories])
2851
49b7683b
DD		 2852# For the build-side libraries, we just need to pretend we're native,
2853# and not use the same cache file. Multilibs are neither needed nor
2854# desired.
4074d5f2 2855build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2856
ae831be5
NN		 2857# For host modules, accept cache file option, or specification as blank.
2858case "${cache_file}" in
2859"") # empty
2860 cache_file_option="" ;;
a0da8069 2861/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2862 cache_file_option="--cache-file=${cache_file}" ;;
2863*) # relative path
2864 cache_file_option="--cache-file=../${cache_file}" ;;
2865esac
2866
82252c06
NN		 2867# Host dirs don't like to share a cache file either, horribly enough.
2868# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2869host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2870
65b4571a 2871target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2872
252b5132
RH		 2873# Passing a --with-cross-host argument lets the target libraries know
2874# whether they are being built with a cross-compiler or being built
2875# native. However, it would be better to use other mechanisms to make the
2876# sorts of decisions they want to make on this basis. Please consider
2877# this option to be deprecated. FIXME.
a0c4f3a0 2878if test x${is_cross_compiler} = xyes ; then
c6b750e1 2879 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2880fi
2881
afc0578d 2882# Special user-friendly check for native x86_64-linux build, if
2883# multilib is not explicitly enabled.
2884case "$target:$have_compiler:$host:$target:$enable_multilib" in
2885 x86_64-*linux*:yes:$build:$build:)
2886 # Make sure we have a developement environment that handles 32-bit
2887 dev64=no
2888 echo "int main () { return 0; }" > conftest.c
2889 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2890 if test $? = 0 ; then
2891 if test -s conftest || test -s conftest.exe ; then
2892 dev64=yes
2893 fi
2894 fi
2895 rm -f conftest*
2896 if test x${dev64} != xyes ; then
2897 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
2898 fi
2899 ;;
2900esac
2901
938d2b74
RW		 2902# Default to --enable-multilib.
2903if test x${enable_multilib} = x ; then
a0da8069 2904 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2905fi
252b5132
RH		 2906
2907# Pass --with-newlib if appropriate. Note that target_configdirs has
2908# changed from the earlier setting of with_newlib.
a0c4f3a0 2909if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2910 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2911fi
2912
95036d20
NN		 2913# Different target subdirs use different values of certain variables
2914# (notably CXX). Worse, multilibs use *lots* of different values.
2915# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2916# it doesn't automatically accept command-line overrides of them.
2917# This means it's not safe for target subdirs to share a cache file,
2918# which is disgusting, but there you have it. Hopefully this can be
2919# fixed in future. It's still worthwhile to use a cache file for each
2920# directory. I think.
2921
ae380b45
MS		 2922# Pass the appropriate --build, --host, --target and --cache-file arguments.
2923# We need to pass --target, as newer autoconf's requires consistency
2924# for target_alias and gcc doesn't manage it consistently.
4b900473 2925target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2926
9e449d3e 2927FLAGS_FOR_TARGET=
7c1f909c 2928case " $target_configdirs " in
75205f78 2929 *" newlib "*)
a0da8069 2930 case " $target_configargs " in
75205f78 2931 *" --with-newlib "*)
9e449d3e 2932 case "$target" in
1f53ca9a 2933 *-cygwin*)
6d94c122 2934 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 2935 ;;
9e449d3e
AO		 2936 esac
2937
7450026c 2938 # If we're not building GCC, don't discard standard headers.
4d5fd396 2939 if test -d ${srcdir}/gcc; then
63266560 2940 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2941
2942 if test "${build}" != "${host}"; then
2943 # On Canadian crosses, CC_FOR_TARGET will have already been set
2944 # by `configure', so we won't have an opportunity to add -Bgcc/
2945 # to it. This is right: we don't want to search that directory
2946 # for binaries, but we want the header files in there, so add
2947 # them explicitly.
e552509b 2948 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2949
2950 # Someone might think of using the pre-installed headers on
2951 # Canadian crosses, in case the installed compiler is not fully
2952 # compatible with the compiler being built. In this case, it
2953 # would be better to flag an error than risking having
2954 # incompatible object files being constructed. We can't
2955 # guarantee that an error will be flagged, but let's hope the
2956 # compiler will do it, when presented with incompatible header
2957 # files.
2958 fi
63266560
DD		 2959 fi
2960
0a0d0041 2961 case "${target}-${is_cross_compiler}" in
ec11bdc6 2962 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2963 # Here host == target, so we don't need to build gcc,
2964 # so we don't want to discard standard headers.
2965 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2966 ;;
2967 *)
2968 # If we're building newlib, use its generic headers last, but search
2969 # for any libc-related directories first (so make it the last -B
2970 # switch).
2971 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 2972
2973 # If we're building libgloss, find the startup file, simulator library
2974 # and linker script.
2975 case " $target_configdirs " in
2976 *" libgloss "*)
2977 # Look for startup file, simulator library and maybe linker script.
2978 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2979 # Look for libnosys.a in case the target needs it.
2980 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2981 # Most targets have the linker script in the source directory.
2982 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2983 ;;
2984 esac
0a0d0041
TF		 2985 ;;
2986 esac
9e449d3e 2987 ;;
75205f78
DD		 2988 esac
2989 ;;
9e449d3e 2990esac
1f53ca9a 2991
45055374 2992case "$target" in
1f53ca9a
AO		 2993 x86_64-*mingw* | *-w64-mingw*)
2994 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2995 # however, use a symlink named 'mingw' in ${prefix} .
2996 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2997 ;;
2998 *-mingw*)
2999 # MinGW can't be handled as Cygwin above since it does not use newlib.
3000 FLAGS_FOR_TARGET=$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'
3001 ;;
45055374 3002esac
63266560 3003
5fbad20a
DD		 3004# Allow the user to override the flags for
3005# our build compiler if desired.
c66487f8
NC		 3006if test x"${build}" = x"${host}" ; then
3007 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3008 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3009 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3010fi
5fbad20a 3011
63266560
DD		 3012# On Canadian crosses, we'll be searching the right directories for
3013# the previously-installed cross compiler, so don't bother to add
3014# flags for directories within the install tree of the compiler
3015# being built; programs in there won't even run.
4d5fd396 3016if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3017 # Search for pre-installed headers if nothing else fits.
bba45b8b 3018 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3019fi
63266560 3020
7c1f909c 3021if test "x${use_gnu_ld}" = x &&
f48556b1 3022 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3023 # Arrange for us to find uninstalled linker scripts.
b00612cc 3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3025fi
3026
a481dbb7
DD		 3027# Search for other target-specific linker scripts and such.
3028case "${target}" in
4e206d7e
DB		 3029 mep*)
3030 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3031 ;;
3032esac
3033
a0da8069 3034# Makefile fragments.
3e707e94
PB		 3035for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3036do
3037 eval fragval=\$$frag
3038 if test $fragval != /dev/null; then
3039 eval $frag=${srcdir}/$fragval
3040 fi
3041done
a0da8069
NN		 3042AC_SUBST_FILE(host_makefile_frag)
3043AC_SUBST_FILE(target_makefile_frag)
3044AC_SUBST_FILE(alphaieee_frag)
3045AC_SUBST_FILE(ospace_frag)
3046
3047# Miscellanea: directories, flags, etc.
a0da8069 3048AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3049AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3050AC_SUBST(tooldir)
3051AC_SUBST(build_tooldir)
907be67c 3052AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3053AC_SUBST(GDB_TK)
907be67c 3054AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3055
3056# Build module lists & subconfigure args.
a0da8069 3057AC_SUBST(build_configargs)
6a9cf61e 3058AC_SUBST(build_configdirs)
a0da8069
NN		 3059
3060# Host module lists & subconfigure args.
3061AC_SUBST(host_configargs)
3062AC_SUBST(configdirs)
911e63d0 3063AC_SUBST(target_configdirs)
a0da8069
NN		 3064
3065# Target module lists & subconfigure args.
a0da8069 3066AC_SUBST(target_configargs)
a6df5a19 3067
a0da8069
NN		 3068
3069# Build tools.
b5714970
PB		 3070AC_SUBST(AR_FOR_BUILD)
3071AC_SUBST(AS_FOR_BUILD)
a0da8069 3072AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3073AC_SUBST(CFLAGS_FOR_BUILD)
3074AC_SUBST(CXXFLAGS_FOR_BUILD)
3075AC_SUBST(CXX_FOR_BUILD)
3076AC_SUBST(DLLTOOL_FOR_BUILD)
3077AC_SUBST(GCJ_FOR_BUILD)
3078AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3079AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3080AC_SUBST(LDFLAGS_FOR_BUILD)
3081AC_SUBST(LD_FOR_BUILD)
3082AC_SUBST(NM_FOR_BUILD)
3083AC_SUBST(RANLIB_FOR_BUILD)
3084AC_SUBST(WINDMC_FOR_BUILD)
3085AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3086
be01d343
PB		 3087# Generate default definitions for YACC, M4, LEX and other programs that run
3088# on the build machine. These are used if the Makefile can't locate these
3089# programs in objdir.
3090MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3091
3092AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3093case " $build_configdirs " in
3094 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3095esac
3096
3097AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3098case " $build_configdirs " in
3099 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3100esac
3101
3102AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3103case " $build_configdirs " in
3104 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3105esac
3106
3107AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3108case " $build_configdirs " in
3109 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3110 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3111esac
3112
3113AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3114case " $build_configdirs " in
3115 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3116esac
3117
3118AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3119case " $build_configdirs " in
3120 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3121 *)
3122changequote(,)
10ad8ef3 3123 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3124 # higher, else we use the "missing" dummy.
3125 if ${MAKEINFO} --version \
10ad8ef3 3126 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3127 :
3128 else
3129 MAKEINFO="$MISSING makeinfo"
3130 fi
3131 ;;
3132changequote([,])
3133esac
3134
3135# FIXME: expect and dejagnu may become build tools?
3136
3137AC_CHECK_PROGS(EXPECT, expect, expect)
3138case " $configdirs " in
3139 *" expect "*)
3140 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3141 ;;
3142esac
3143
3144AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3145case " $configdirs " in
3146 *" dejagnu "*)
6b89cc21 3147 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3148 ;;
3149esac
3150
3151
a0da8069 3152# Host tools.
05cbd757
PB		 3153NCN_STRICT_CHECK_TOOLS(AR, ar)
3154NCN_STRICT_CHECK_TOOLS(AS, as)
3155NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3156NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3157NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3158NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3159NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3160NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3161NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3162NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3163NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3164NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3165NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3166AC_SUBST(CC)
3167AC_SUBST(CXX)
3168AC_SUBST(CFLAGS)
3169AC_SUBST(CXXFLAGS)
a0da8069 3170
be01d343 3171# Target tools.
7ec59b9e 3172AC_ARG_WITH([build-time-tools],
7837304f
AS		 3173 [AS_HELP_STRING([--with-build-time-tools=PATH],
3174 [use given path to find target tools during the build])],
2429c060
PB		 3175 [case x"$withval" in
3176 x/*) ;;
3177 *)
3178 with_build_time_tools=
3179 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3180 ;;
3181 esac],
3182 [with_build_time_tools=])
3183
05cbd757
PB		 3184NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3185NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3186NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3187NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3188NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3189NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3190
3191ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3192ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3193ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3194ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3195ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3196ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3197ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3198ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3199ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3200ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3201ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3202ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3203
be01d343
PB		 3204RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3205
3206GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3207GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3208GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3209dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3210GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3211 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3212 c++)
3213GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3214 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3215 c++)
3216GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3217GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3218GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3219 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3220GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3221 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3222GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3223 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3224GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3225GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3226GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3227GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3228GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3229GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3230GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3231GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3232GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3233
be01d343 3234AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3235AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3236
a0da8069
NN		 3237# Certain tools may need extra flags.
3238AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3239RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3240NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3241
be01d343
PB		 3242# When building target libraries, except in a Canadian cross, we use
3243# the same toolchain as the compiler we just built.
3244COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3245COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3246COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3247if test $host = $build; then
3248 case " $configdirs " in
3249 *" gcc "*)
3250 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3251 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3252 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3253 ;;
3254 esac
3255fi
3256
3257AC_SUBST(COMPILER_AS_FOR_TARGET)
3258AC_SUBST(COMPILER_LD_FOR_TARGET)
3259AC_SUBST(COMPILER_NM_FOR_TARGET)
3260
6b784d9f
AO		 3261AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3262AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3263[AS_HELP_STRING([--enable-maintainer-mode],
3264 [enable make rules and dependencies not useful
3265 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3266 USE_MAINTAINER_MODE=$enableval,
3267 USE_MAINTAINER_MODE=no)
3268AC_MSG_RESULT($USE_MAINTAINER_MODE)
3269AC_SUBST(MAINTAINER_MODE_TRUE)
3270AC_SUBST(MAINTAINER_MODE_FALSE)
3271if test "$USE_MAINTAINER_MODE" = yes; then
3272 MAINTAINER_MODE_TRUE=
3273 MAINTAINER_MODE_FALSE='#'
3274else
3275 MAINTAINER_MODE_TRUE='#'
3276 MAINTAINER_MODE_FALSE=
7ec59b9e 3277fi
6b784d9f
AO		 3278MAINT=$MAINTAINER_MODE_TRUE
3279AC_SUBST(MAINT)dnl
3280
1d39f329
NN		 3281# ---------------------
3282# GCC bootstrap support
3283# ---------------------
3284
3285# Stage specific cflags for build.
3286stage1_cflags="-g"
3287case $build in
3288 vax-*-*)
3289 case ${GCC} in
3290 yes) stage1_cflags="-g -Wa,-J" ;;
3291 *) stage1_cflags="-g -J" ;;
3292 esac ;;
1d39f329 3293esac
1d89b610 3294
1d39f329
NN		 3295AC_SUBST(stage1_cflags)
3296
8a0d8a5c
PB		 3297# Enable --enable-checking in stage1 of the compiler.
3298AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3299[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3300 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3301[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3302[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3303 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3304else
5566c1fa 3305 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3306fi])
3307AC_SUBST(stage1_checking)
3308
1d39f329 3309# Enable -Werror in bootstrap stage2 and later.
1d39f329 3310AC_ARG_ENABLE(werror,
7837304f
AS		 3311[AS_HELP_STRING([--enable-werror],
3312 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3313[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3314 enable_werror=yes
3315else
3316 enable_werror=no
3317fi])
1a6f2dc7
NN		 3318case ${enable_werror} in
3319 yes) stage2_werror_flag="--enable-werror-always" ;;
3320 *) stage2_werror_flag="" ;;
1d39f329 3321esac
1a6f2dc7 3322AC_SUBST(stage2_werror_flag)
1d39f329 3323
82033c9b
JBG		 3324# Enable --enable-host-shared.
3325AC_ARG_ENABLE(host-shared,
3326[AS_HELP_STRING([--enable-host-shared],
3327 [build host code as shared libraries])],
3328[host_shared=$enableval], [host_shared=no])
3329AC_SUBST(host_shared)
3330
e8a5fa9c
RW		 3331# Specify what files to not compare during bootstrap.
3332
3333compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3334case "$target" in
3335 hppa*64*-*-hpux*) ;;
3336 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3337 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3338esac
3339AC_SUBST(compare_exclusions)
3340
06a51eac
RW		 3341AC_CONFIG_FILES([Makefile],
3342 [sed "$extrasub_build" Makefile |
3343 sed "$extrasub_host" |
3344 sed "$extrasub_target" > mf$$
3345 mv -f mf$$ Makefile],
3346 [extrasub_build="$extrasub_build"
3347 extrasub_host="$extrasub_host"
3348 extrasub_target="$extrasub_target"])
3349AC_OUTPUT
Empty description
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