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[deliverable/binutils-gdb.git] / configure.ac
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92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
202e2356 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
ba98da75 3# Free Software Foundation, Inc.
252b5132
RH		 4#
5# This file is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
7ec59b9e 31m4_include([config/isl.m4])
e552509b 32m4_include([config/cloog.m4])
656fdd47 33
a0da8069 34AC_INIT(move-if-change)
d444d2ba 35AC_PREREQ(2.64)
34a0f3cf 36AC_DISABLE_OPTION_CHECKING
c6b750e1 37
5b553f7e
RW		 38progname=$0
39# if PWD already has a value, it is probably wrong.
40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41
42# Export original configure arguments for use by sub-configures.
43# Quote arguments with shell meta charatcers.
44TOPLEVEL_CONFIGURE_ARGUMENTS=
45set -- "$progname" "$@"
46for ac_arg
47do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57done
58if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60fi
61# Remove the initial space we just introduced and, as these will be
62# expanded by make, quote '$'.
63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65
c6b750e1
DJ		 66# Find the build, host, and target systems.
67ACX_NONCANONICAL_BUILD
68ACX_NONCANONICAL_HOST
69ACX_NONCANONICAL_TARGET
70
71dnl Autoconf 2.5x and later will set a default program prefix if
72dnl --target was used, even if it was the same as --host. Disable
73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74dnl to take effect.
75test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
79
a0da8069
NN		 80AC_CANONICAL_SYSTEM
81AC_ARG_PROGRAM
82
c6b750e1 83m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 84m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 85
e5c3f801
NN		 86# Get 'install' or 'install-sh' and its variants.
87AC_PROG_INSTALL
656fdd47 88ACX_PROG_LN
dfdffa2c 89AC_PROG_LN_S
8e957354
PB		 90AC_PROG_SED
91AC_PROG_AWK
e5c3f801 92
0fdbe983
DJ		 93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94
95# We pass INSTALL explicitly to sub-makes. Make sure that it is not
96# a relative path.
97if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99fi
100
a0da8069
NN		 101# Set srcdir to "." if that's what it is.
102# This is important for multilib support.
103pwd=`${PWDCMD-pwd}`
a0da8069
NN		 104if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106fi
107
108topsrcdir=$srcpwd
252b5132 109
ae831be5 110extra_host_args=
afefada0 111
252b5132
RH		 112### To add a new directory to the tree, first choose whether it is a target
113### or a host dependent tool. Then put it into the appropriate list
a2cc058a 114### (library or tools, host or target), doing a dependency sort.
252b5132 115
7ec59b9e 116# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 117# configdirs, or target_configdirs; see the serialization section below.
118
7ec59b9e
L		 119# Dependency sorting is only needed when *configuration* must be done in
120# a particular order. In all cases a dependency should be specified in
a2cc058a
NN		 121# the Makefile, whether or not it's implicitly specified here.
122
123# Double entries in build_configdirs, configdirs, or target_configdirs may
124# cause circular dependencies and break everything horribly.
252b5132 125
6a9cf61e
PB		 126# these library is used by various programs built for the build
127# environment
128#
129build_libs="build-libiberty"
130
131# these tools are built for the build environment
a90ef4bf 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 133
252b5132
RH		 134# these libraries are used by various programs built for the host environment
135#
2bf680c4 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
252b5132 137
252b5132
RH		 138# these tools are built for the host environment
139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140# know that we are building the simulator.
2af579c4
NN		 141# binutils, gas and ld appear in that order because it makes sense to run
142# "make check" in that particular order.
e6de499b 143# If --enable-gold is used, "gold" may replace "ld".
a90ef4bf 144host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
75205f78
DD		 145
146# libgcj represents the runtime libraries only used by gcj.
147libgcj="target-libffi \
75205f78 148 target-zlib \
75205f78 149 target-libjava"
252b5132
RH		 150
151# these libraries are built for the target environment, and are built after
152# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 153# Note that libiberty is not a target library.
b1299c4e 154target_libraries="target-libgcc \
2bf680c4 155 target-libbacktrace \
252b5132
RH		 156 target-libgloss \
157 target-newlib \
cff87f51 158 target-libgomp \
522e3d71 159 target-libcilkrts \
7ec59b9e 160 target-libatomic \
d32e2926 161 target-libitm \
b9459e83 162 target-libstdc++-v3 \
5286fdef 163 target-libsanitizer \
95e43135 164 target-libvtv \
bb780410 165 target-libssp \
e552509b 166 target-libquadmath \
4b1cb4fe 167 target-libgfortran \
4f0ef2d8 168 target-boehm-gc \
83326456 169 ${libgcj} \
a2592b1b 170 target-libobjc \
e552509b
ILT		 171 target-libada \
172 target-libgo"
252b5132 173
9c14acb8
NN		 174# these tools are built using the target libraries, and are intended to
175# run only in the target environment
252b5132 176#
9c14acb8 177# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 178# list belongs in this list.
252b5132 179#
a90ef4bf 180target_tools="target-rda"
252b5132
RH		 181
182################################################################################
183
252b5132
RH		 184## All tools belong in one of the four categories, and are assigned above
185## We assign ${configdirs} this way to remove all embedded newlines. This
186## is important because configure will choke if they ever get through.
187## ${configdirs} is directories we build using the host tools.
188## ${target_configdirs} is directories we build using the target tools.
252b5132 189configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 190target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 191build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 192
9cc8ae67 193m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 194[case $srcdir in
195 *" "*)
196m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198m4_popdef([AS_MESSAGE_LOG_FD])dnl
199 ;;
200esac
201ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 202])
203
252b5132
RH		 204################################################################################
205
252b5132
RH		 206srcname="gnu development package"
207
208# This gets set non-empty for some net releases of packages.
209appdirs=""
210
c712250a
DD		 211# Define is_cross_compiler to save on calls to 'test'.
212is_cross_compiler=
213if test x"${host}" = x"${target}" ; then
214 is_cross_compiler=no
215else
216 is_cross_compiler=yes
7ec59b9e 217fi
c712250a 218
9175bfc0 219# Find the build and target subdir names.
dd12c3a8 220GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 221# Be sure to cover against remnants of an in-tree build.
222if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224Use a pristine source tree when building in a separate tree])
225fi
252b5132 226
f48556b1
DD		 227# Skipdirs are removed silently.
228skipdirs=
229# Noconfigdirs are removed loudly.
230noconfigdirs=""
252b5132 231
f48556b1
DD		 232use_gnu_ld=
233# Make sure we don't let GNU ld be added if we didn't want it.
234if test x$with_gnu_ld = xno ; then
235 use_gnu_ld=no
93f9b408 236 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 237fi
238
f48556b1
DD		 239use_gnu_as=
240# Make sure we don't let GNU as be added if we didn't want it.
241if test x$with_gnu_as = xno ; then
242 use_gnu_as=no
243 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 244fi
245
700d40ca
ILT		 246use_included_zlib=
247# Make sure we don't let ZLIB be added if we didn't want it.
248if test x$with_system_zlib = xyes ; then
249 use_included_zlib=no
250 noconfigdirs="$noconfigdirs zlib"
251fi
252
7ec59b9e 253# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 254# it's not even worth trying to configure, much less build, that tool.
252b5132 255
f48556b1
DD		 256case ${with_x} in
257 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 258 no)
675c6968 259 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 260 # We won't be able to build gdbtk without X.
7ec59b9e 261 enable_gdbtk=no
ff0a3bf8 262 ;;
f48556b1
DD		 263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264esac
252b5132 265
0377a422 266# Some are only suitable for cross toolchains.
405ea7a0
NN		 267# Remove these if host=target.
268cross_only="target-libgloss target-newlib target-opcodes"
252b5132 269
f48556b1
DD		 270case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 272esac
252b5132 273
a32d391c
DD		 274# If both --with-headers and --with-libs are specified, default to
275# --without-newlib.
32be62b5
RS		 276if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 278 if test x"${with_newlib}" = x ; then
279 with_newlib=no
280 fi
281fi
282
283# Recognize --with-newlib/--without-newlib.
284case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287esac
288
c7791212
NC		 289# Handle --enable-gold, --enable-ld.
290# --disable-gold [--enable-ld]
291# Build only ld. Default option.
d3b50760
L		 292# --enable-gold [--enable-ld]
293# Build both gold and ld. Install gold as "ld.gold", install ld
294# as "ld.bfd" and "ld".
295# --enable-gold=default [--enable-ld]
c7791212
NC		 296# Build both gold and ld. Install gold as "ld.gold" and "ld",
297# install ld as "ld.bfd".
298# --enable-gold[=default] --disable-ld
299# Build only gold, which is then installed as both "ld.gold" and "ld".
300# --enable-gold --enable-ld=default
d3b50760
L		 301# Build both gold (installed as "ld.gold") and ld (installed as "ld"
302# and ld.bfd).
c7791212
NC		 303# In other words, ld is default
304# --enable-gold=default --enable-ld=default
305# Error.
306
307default_ld=
93f9b408 308AC_ARG_ENABLE(gold,
7837304f
AS		 309[AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 311ENABLE_GOLD=$enableval,
312ENABLE_GOLD=no)
c7791212
NC		 313case "${ENABLE_GOLD}" in
314 yes|default)
e6de499b
NC		 315 # Check for ELF target.
316 is_elf=no
317 case "${target}" in
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
2344b8da 319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
2bda3143 321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
e6de499b
NC		 322 case "${target}" in
323 *-*-linux*aout* | *-*-linux*oldld*)
324 ;;
325 *)
326 is_elf=yes
327 ;;
328 esac
329 esac
330
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
93f9b408 333 case "${target}" in
6d26190c
JY		 334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
335 | aarch64*-*-* | tilegx*-*-*)
c7791212
NC		 336 configdirs="$configdirs gold"
337 if test x${ENABLE_GOLD} = xdefault; then
338 default_ld=gold
339 fi
e6de499b 340 ENABLE_GOLD=yes
93f9b408
ILT		 341 ;;
342 esac
e6de499b
NC		 343 fi
344 ;;
345 no)
346 ;;
347 *)
348 AC_MSG_ERROR([invalid --enable-gold argument])
349 ;;
c7791212
NC		 350esac
351
352AC_ARG_ENABLE(ld,
7837304f
AS		 353[AS_HELP_STRING([[--enable-ld[=ARG]]],
354 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 355ENABLE_LD=$enableval,
356ENABLE_LD=yes)
357
358case "${ENABLE_LD}" in
359 default)
d3b50760 360 if test x${default_ld} != x; then
c7791212
NC		 361 AC_MSG_ERROR([either gold or ld can be the default ld])
362 fi
363 ;;
364 yes)
365 ;;
366 no)
367 if test x${ENABLE_GOLD} != xyes; then
368 AC_MSG_WARN([neither ld nor gold are enabled])
369 fi
370 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
371 ;;
372 *)
373 AC_MSG_ERROR([invalid --enable-ld argument])
374 ;;
375esac
93f9b408 376
252b5132
RH		 377# Configure extra directories which are host specific
378
379case "${host}" in
f48556b1 380 *-cygwin*)
3866be5d 381 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 382esac
383
59f7ec45
HPN		 384# A target can indicate whether a language isn't supported for some reason.
385# Only spaces may be used in this macro; not newlines or tabs.
386unsupported_languages=
387
7ec59b9e 388# Remove more programs from consideration, based on the host or
252b5132
RH		 389# target this usually means that a port of the program doesn't
390# exist yet.
391
252b5132 392case "${host}" in
3516a403 393 i[[3456789]]86-*-msdosdjgpp*)
6a608608 394 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 395 ;;
252b5132
RH		 396esac
397
4b1cb4fe 398
89a1e9c3
PB		 399AC_ARG_ENABLE(libquadmath,
400AS_HELP_STRING([--disable-libquadmath],
401 [do not build libquadmath directory]),
402ENABLE_LIBQUADMATH=$enableval,
403ENABLE_LIBQUADMATH=yes)
404if test "${ENABLE_LIBQUADMATH}" = "no" ; then
405 noconfigdirs="$noconfigdirs target-libquadmath"
406fi
407
408
409AC_ARG_ENABLE(libquadmath-support,
410AS_HELP_STRING([--disable-libquadmath-support],
411 [disable libquadmath support for Fortran]),
412ENABLE_LIBQUADMATH_SUPPORT=$enableval,
413ENABLE_LIBQUADMATH_SUPPORT=yes)
414enable_libquadmath_support=
415if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
416 enable_libquadmath_support=no
417fi
418
419
a2592b1b 420AC_ARG_ENABLE(libada,
7837304f 421[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 422ENABLE_LIBADA=$enableval,
423ENABLE_LIBADA=yes)
424if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 425 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 426fi
427
5f128533 428AC_ARG_ENABLE(libssp,
7837304f 429[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 430ENABLE_LIBSSP=$enableval,
431ENABLE_LIBSSP=yes)
5f128533 432
f66a9a70
L		 433AC_ARG_ENABLE(libstdcxx,
434AS_HELP_STRING([--disable-libstdcxx],
435 [do not build libstdc++-v3 directory]),
436ENABLE_LIBSTDCXX=$enableval,
437ENABLE_LIBSTDCXX=default)
438[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
439 noconfigdirs="$noconfigdirs libstdc++-v3"
440fi]
441
96111c10
AO		 442# Save it here so that, even in case of --enable-libgcj, if the Java
443# front-end isn't enabled, we still get libgcj disabled.
444libgcj_saved=$libgcj
445case $enable_libgcj in
446yes)
447 # If we reset it here, it won't get added to noconfigdirs in the
448 # target-specific build rules, so it will be forcibly enabled
449 # (unless the Java language itself isn't enabled).
450 libgcj=
451 ;;
452no)
453 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 454 # Don't disable libffi, though, other languages use it.
455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 456 # Clear libgcj_saved so that even if java is enabled libffi won't be
457 # built.
458 libgcj_saved=
96111c10
AO		 459 ;;
460esac
461
ffdd6afc
ILT		 462AC_ARG_ENABLE(static-libjava,
463[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
464 [build static libjava @<:@default=no@:>@])],
465ENABLE_STATIC_LIBJAVA=$enableval,
466ENABLE_STATIC_LIBJAVA=no)
467enable_static_libjava=
468if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
469 enable_static_libjava=yes
470fi
471
472if test x$enable_static_libjava != xyes ; then
473 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
474fi
475AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 476
a6df5a19
PB		 477# Disable libgomp on non POSIX hosted systems.
478if test x$enable_libgomp = x ; then
b3ded179
PB		 479 # Enable libgomp by default on hosted POSIX systems.
480 case "${target}" in
29383458 481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 482 ;;
5b806d27 483 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 484 ;;
2479f722 485 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 486 ;;
487 *-*-darwin* | *-*-aix*)
488 ;;
489 *)
490 noconfigdirs="$noconfigdirs target-libgomp"
491 ;;
492 esac
a6df5a19 493fi
b3ded179 494
7ec59b9e
L		 495# Disable libatomic on unsupported systems.
496if test -d ${srcdir}/libatomic; then
497 if test x$enable_libatomic = x; then
498 AC_MSG_CHECKING([for libatomic support])
499 if (srcdir=${srcdir}/libatomic; \
500 . ${srcdir}/configure.tgt; \
501 test -n "$UNSUPPORTED")
502 then
503 AC_MSG_RESULT([no])
504 noconfigdirs="$noconfigdirs target-libatomic"
505 else
506 AC_MSG_RESULT([yes])
507 fi
508 fi
509fi
510
522e3d71 511# Disable libcilkrts on unsupported systems.
512if test -d ${srcdir}/libcilkrts; then
513 if test x$enable_libcilkrts = x; then
514 AC_MSG_CHECKING([for libcilkrts support])
515 if (srcdir=${srcdir}/libcilkrts; \
516 . ${srcdir}/configure.tgt; \
517 test -n "$UNSUPPORTED")
518 then
519 AC_MSG_RESULT([no])
520 noconfigdirs="$noconfigdirs target-libcilkrts"
521 else
522 AC_MSG_RESULT([yes])
523 fi
524 fi
525fi
526
d32e2926
RH		 527# Disable libitm on unsupported systems.
528if test -d ${srcdir}/libitm; then
529 if test x$enable_libitm = x; then
530 AC_MSG_CHECKING([for libitm support])
531 if (srcdir=${srcdir}/libitm; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
534 then
535 AC_MSG_RESULT([no])
536 noconfigdirs="$noconfigdirs target-libitm"
537 else
538 AC_MSG_RESULT([yes])
539 fi
540 fi
541fi
542
5286fdef
L		 543# Disable libsanitizer on unsupported systems.
544if test -d ${srcdir}/libsanitizer; then
545 if test x$enable_libsanitizer = x; then
546 AC_MSG_CHECKING([for libsanitizer support])
547 if (srcdir=${srcdir}/libsanitizer; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
550 then
551 AC_MSG_RESULT([no])
552 noconfigdirs="$noconfigdirs target-libsanitizer"
553 else
554 AC_MSG_RESULT([yes])
555 fi
556 fi
557fi
558
95e43135
JBG		 559# Disable libvtv on unsupported systems.
560if test -d ${srcdir}/libvtv; then
561 if test x$enable_libvtv = x; then
562 AC_MSG_CHECKING([for libvtv support])
563 if (srcdir=${srcdir}/libvtv; \
564 . ${srcdir}/configure.tgt; \
565 test "$VTV_SUPPORTED" != "yes")
566 then
567 AC_MSG_RESULT([no])
568 noconfigdirs="$noconfigdirs target-libvtv"
569 else
570 AC_MSG_RESULT([yes])
571 fi
572 fi
573fi
574
1488e230
DE		 575# Disable libquadmath for some systems.
576case "${target}" in
5286fdef
L		 577 avr-*-*)
578 noconfigdirs="$noconfigdirs target-libquadmath"
579 ;;
1488e230
DE		 580 # libquadmath is unused on AIX and libquadmath build process use of
581 # LD_LIBRARY_PATH can break AIX bootstrap.
582 powerpc-*-aix* | rs6000-*-aix*)
583 noconfigdirs="$noconfigdirs target-libquadmath"
584 ;;
585esac
586
065a5627
JM		 587# Disable libssp for some systems.
588case "${target}" in
589 avr-*-*)
c5f5c3c2 590 # No hosted I/O support.
065a5627
JM		 591 noconfigdirs="$noconfigdirs target-libssp"
592 ;;
593 powerpc-*-aix* | rs6000-*-aix*)
594 noconfigdirs="$noconfigdirs target-libssp"
595 ;;
99c513f6 596 rl78-*-*)
202e2356
NC		 597 # libssp uses a misaligned load to trigger a fault, but the RL78
598 # doesn't fault for those - instead, it gives a build-time error
599 # for explicit misaligned loads.
99c513f6
DD		 600 noconfigdirs="$noconfigdirs target-libssp"
601 ;;
065a5627
JM		 602esac
603
065a5627 604# Disable libstdc++-v3 for some systems.
f66a9a70
L		 605# Allow user to override this if they pass --enable-libstdc++-v3
606if test "${ENABLE_LIBSTDCXX}" = "default" ; then
607 case "${target}" in
608 *-*-vxworks*)
609 # VxWorks uses the Dinkumware C++ library.
610 noconfigdirs="$noconfigdirs target-libstdc++-v3"
611 ;;
612 arm*-wince-pe*)
613 # the C++ libraries don't build on top of CE's C libraries
614 noconfigdirs="$noconfigdirs target-libstdc++-v3"
615 ;;
616 avr-*-*)
617 noconfigdirs="$noconfigdirs target-libstdc++-v3"
618 ;;
619 esac
620fi
065a5627
JM		 621
622# Disable Fortran for some systems.
623case "${target}" in
624 mmix-*-*)
625 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
626 unsupported_languages="$unsupported_languages fortran"
627 ;;
628esac
629
0827f9a6 630# Disable Java if libffi is not supported.
9863d716 631case "${target}" in
e7d5abf1
JBG		 632 aarch64-*-*)
633 ;;
0827f9a6
JM		 634 alpha*-*-*)
635 ;;
636 arm*-*-*)
637 ;;
638 cris-*-*)
639 ;;
640 frv-*-*)
641 ;;
642 hppa*-*-linux*)
643 ;;
644 hppa*-*-hpux*)
645 ;;
646 i?86-*-*)
647 ;;
648 ia64*-*-*)
649 ;;
650 m32r*-*-*)
651 ;;
652 m68k-*-*)
653 ;;
2479f722 654 mips*-*-rtems*)
0827f9a6
JM		 655 ;;
656 mips*-*-linux*)
657 ;;
658 powerpc*-*-linux*)
659 ;;
660 powerpc-*-darwin*)
661 ;;
662 powerpc-*-aix* | rs6000-*-aix*)
663 ;;
664 powerpc-*-freebsd*)
665 ;;
666 powerpc64-*-freebsd*)
667 ;;
668 powerpc*-*-rtems*)
9863d716 669 ;;
0827f9a6
JM		 670 s390-*-* | s390x-*-*)
671 ;;
672 sh-*-* | sh[[34]]*-*-*)
673 ;;
674 sh64-*-* | sh5*-*-*)
675 ;;
676 sparc*-*-*)
677 ;;
678 x86_64-*-*)
679 ;;
680 *-*-*)
681 unsupported_languages="$unsupported_languages java"
682 ;;
683esac
684
685# Disable Java, libgcj or related libraries for some systems.
686case "${target}" in
9863d716
JM		 687 powerpc-*-darwin*)
688 ;;
689 i[[3456789]]86-*-darwin*)
690 ;;
691 x86_64-*-darwin[[912]]*)
692 ;;
693 *-*-darwin*)
694 noconfigdirs="$noconfigdirs ${libgcj}"
695 ;;
9863d716
JM		 696 *-*-netware*)
697 noconfigdirs="$noconfigdirs ${libgcj}"
698 ;;
699 *-*-rtems*)
700 noconfigdirs="$noconfigdirs ${libgcj}"
701 ;;
702 *-*-tpf*)
703 noconfigdirs="$noconfigdirs ${libgcj}"
704 ;;
705 *-*-uclinux*)
706 noconfigdirs="$noconfigdirs ${libgcj}"
707 ;;
708 *-*-vxworks*)
709 noconfigdirs="$noconfigdirs ${libgcj}"
710 ;;
9863d716
JM		 711 alpha*-*-*vms*)
712 noconfigdirs="$noconfigdirs ${libgcj}"
713 ;;
0827f9a6 714 arm-wince-pe)
9863d716
JM		 715 noconfigdirs="$noconfigdirs ${libgcj}"
716 ;;
9863d716
JM		 717 arm*-*-symbianelf*)
718 noconfigdirs="$noconfigdirs ${libgcj}"
719 ;;
9863d716 720 bfin-*-*)
9863d716
JM		 721 noconfigdirs="$noconfigdirs target-boehm-gc"
722 ;;
9863d716
JM		 723 cris-*-* | crisv32-*-*)
724 unsupported_languages="$unsupported_languages java"
725 case "${target}" in
726 *-*-linux*)
727 ;;
728 *) # See PR46792 regarding target-libffi.
729 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
730 esac
731 ;;
9863d716
JM		 732 hppa*64*-*-linux*)
733 # In this case, it's because the hppa64-linux target is for
734 # the kernel only at this point and has no libc, and thus no
735 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 736 unsupported_languages="$unsupported_languages java"
9863d716 737 ;;
82ae827f 738 hppa*64*-*-hpux*)
9863d716
JM		 739 noconfigdirs="$noconfigdirs ${libgcj}"
740 ;;
741 hppa*-hp-hpux11*)
742 ;;
82ae827f 743 hppa*-*-hpux*)
9863d716
JM		 744 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
745 # build on HP-UX 10.20.
746 noconfigdirs="$noconfigdirs ${libgcj}"
747 ;;
9863d716
JM		 748 ia64*-*-*vms*)
749 noconfigdirs="$noconfigdirs ${libgcj}"
750 ;;
9863d716
JM		 751 i[[3456789]]86-w64-mingw*)
752 noconfigdirs="$noconfigdirs ${libgcj}"
753 ;;
754 i[[3456789]]86-*-mingw*)
755 noconfigdirs="$noconfigdirs ${libgcj}"
756 ;;
757 x86_64-*-mingw*)
758 noconfigdirs="$noconfigdirs ${libgcj}"
759 ;;
9863d716
JM		 760 mmix-*-*)
761 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 762 ;;
763 powerpc-*-aix*)
764 # copied from rs6000-*-* entry
765 noconfigdirs="$noconfigdirs ${libgcj}"
766 ;;
9863d716
JM		 767 rs6000-*-aix*)
768 noconfigdirs="$noconfigdirs ${libgcj}"
769 ;;
3f8107ab
AM		 770 ft32-*-*)
771 noconfigdirs="$noconfigdirs ${libgcj}"
772 ;;
9863d716
JM		 773 *-*-lynxos*)
774 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 775 ;;
9863d716
JM		 776esac
777
a413f71a
ILT		 778# Disable libgo for some systems where it is known to not work.
779# For testing, you can easily override this with --enable-libgo.
780if test x$enable_libgo = x; then
781 case "${target}" in
782 *-*-darwin*)
783 # PR 46986
784 noconfigdirs="$noconfigdirs target-libgo"
785 ;;
786 *-*-cygwin* | *-*-mingw*)
787 noconfigdirs="$noconfigdirs target-libgo"
788 ;;
789 *-*-aix*)
790 noconfigdirs="$noconfigdirs target-libgo"
791 ;;
792 esac
793fi
794
691bb5a1
DD		 795# Default libgloss CPU subdirectory.
796libgloss_dir="$target_cpu"
4b1cb4fe 797
ff46fb8f
JM		 798case "${target}" in
799 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
800 libgloss_dir=wince
801 ;;
f1dd87fc
YZ		 802 aarch64*-*-* )
803 libgloss_dir=aarch64
804 ;;
ff46fb8f
JM		 805 arm*-*-*)
806 libgloss_dir=arm
807 ;;
808 cris-*-* | crisv32-*-*)
809 libgloss_dir=cris
810 ;;
811 hppa*-*-*)
812 libgloss_dir=pa
813 ;;
814 i[[3456789]]86-*-*)
815 libgloss_dir=i386
816 ;;
817 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
818 libgloss_dir=m68hc11
819 ;;
820 m68*-*-* | fido-*-*)
821 libgloss_dir=m68k
822 ;;
823 mips*-*-*)
824 libgloss_dir=mips
825 ;;
826 powerpc*-*-*)
827 libgloss_dir=rs6000
828 ;;
829 sparc*-*-*)
830 libgloss_dir=sparc
831 ;;
832esac
833
c7e4b184 834# Disable newlib and libgloss for various target OSes.
252b5132 835case "${target}" in
c7e4b184
JM		 836 alpha*-dec-osf*)
837 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
838 ;;
839 i[[3456789]]86-*-linux*)
840 # This section makes it possible to build newlib natively on linux.
841 # If we are using a cross compiler then don't configure newlib.
842 if test x${is_cross_compiler} != xno ; then
843 noconfigdirs="$noconfigdirs target-newlib"
844 fi
845 noconfigdirs="$noconfigdirs target-libgloss"
846 # If we are not using a cross compiler, do configure newlib.
847 # Note however, that newlib will only be configured in this situation
848 # if the --with-newlib option has been given, because otherwise
849 # 'target-newlib' will appear in skipdirs.
850 ;;
851 i[[3456789]]86-*-rdos*)
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
853 ;;
854 sh*-*-pe|mips*-*-pe|arm-wince-pe)
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
856 ;;
857 sparc-*-sunos4*)
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
859 ;;
860 *-*-aix*)
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
862 ;;
863 *-*-beos*)
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
865 ;;
75205f78 866 *-*-chorusos)
b2f14e4a 867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 868 ;;
c7e4b184
JM		 869 *-*-dragonfly*)
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 ;;
872 *-*-freebsd*)
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 ;;
875 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
877 ;;
878 *-*-lynxos*)
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 880 ;;
c7e4b184
JM		 881 *-*-mingw*)
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 ;;
884 *-*-netbsd*)
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
886 ;;
887 *-*-netware*)
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
889 ;;
890 *-*-tpf*)
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 ;;
893 *-*-uclinux*)
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 ;;
896 *-*-vxworks*)
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
898 ;;
899esac
900
901case "${target}" in
902 *-*-chorusos)
903 ;;
24741ab2 904 powerpc-*-darwin*)
9d39db92 905 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 906 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 907 ;;
85bd1942
TG		 908 i[[3456789]]86-*-darwin*)
909 noconfigdirs="$noconfigdirs ld gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
911 ;;
e8a5fa9c 912 x86_64-*-darwin[[912]]*)
652dec25
TG		 913 noconfigdirs="$noconfigdirs ld gas gprof"
914 noconfigdirs="$noconfigdirs sim target-rda"
915 ;;
04d1ab34 916 *-*-darwin*)
d320aacb 917 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 918 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 919 ;;
5b806d27 920 *-*-dragonfly*)
5b806d27 921 ;;
de0b4a87 922 *-*-freebsd*)
4b1cb4fe
DD		 923 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
924 && test -f /usr/local/include/gmp.h; then
925 with_gmp=/usr/local
926 fi
4b1cb4fe 927 ;;
f8a495c8
NC		 928 *-*-kaos*)
929 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 930 noconfigdirs="$noconfigdirs target-libgloss"
931 ;;
e82380cc 932 *-*-netbsd*)
e82380cc 933 ;;
2a3124ca 934 *-*-netware*)
252b5132
RH		 935 ;;
936 *-*-rtems*)
9863d716 937 noconfigdirs="$noconfigdirs target-libgloss"
1f995db6
JS		 938 # this is not caught below because this stanza matches earlier
939 case $target in
940 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
941 esac
252b5132 942 ;;
1587117a
EC		 943 # The tpf target doesn't support gdb yet.
944 *-*-tpf*)
c7e4b184 945 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 946 ;;
c1968181 947 *-*-uclinux*)
c7e4b184 948 noconfigdirs="$noconfigdirs target-rda"
c1968181 949 ;;
252b5132 950 *-*-vxworks*)
252b5132
RH		 951 ;;
952 alpha*-dec-osf*)
e99daf2b 953 # ld works, but does not support shared libraries.
252b5132 954 # gas doesn't generate exception information.
c7e4b184 955 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 956 ;;
957 alpha*-*-*vms*)
9863d716 958 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 959 ;;
252b5132
RH		 960 alpha*-*-*)
961 # newlib is not 64 bit ready
9863d716 962 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 963 ;;
2fb651f6 964 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 965 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 966 ;;
f4cfb980 967 arc-*-*|arceb-*-*)
782cb41f 968 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 969 ;;
970 arm-*-pe*)
9863d716 971 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 972 ;;
252b5132 973 arm-*-riscix*)
b2f14e4a 974 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 975 ;;
8e71395b
L		 976 avr-*-rtems*)
977 ;;
978 avr-*-*)
979 if test x${with_avrlibc} != xno; then
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
981 fi
982 ;;
ff72e302 983 c4x-*-* | tic4x-*-*)
b2f14e4a 984 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 985 ;;
b2f14e4a
JM		 986 tic54x-*-*)
987 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 988 ;;
252b5132 989 d10v-*-*)
b2f14e4a 990 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 991 ;;
252b5132 992 d30v-*-*)
b2f14e4a 993 noconfigdirs="$noconfigdirs gdb"
252b5132 994 ;;
252b5132 995 fr30-*-elf*)
9863d716 996 noconfigdirs="$noconfigdirs gdb"
252b5132 997 ;;
3f8107ab
AM		 998 ft32-*-*)
999 noconfigdirs="$noconfigdirs target-rda gprof"
1000 ;;
20135e4c 1001 moxie-*-*)
10b8fe5e 1002 noconfigdirs="$noconfigdirs"
20135e4c 1003 ;;
dd1e52a4 1004 h8300*-*-*)
9863d716 1005 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 1006 ;;
252b5132 1007 h8500-*-*)
b2f14e4a 1008 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 1009 ;;
caeba88f 1010 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 1011 ;;
93cc359e 1012 hppa*64*-*-linux*)
252b5132 1013 ;;
f0ff0f90 1014 hppa*-*-linux*)
5dcac624 1015 ;;
252b5132 1016 hppa*-*-*elf* | \
09e90eb4 1017 hppa*-*-lites* | \
17240c1f 1018 hppa*-*-openbsd* | \
09e90eb4 1019 hppa*64*-*-*)
4f0ef2d8
CD		 1020 ;;
1021 hppa*-hp-hpux11*)
0377a422 1022 noconfigdirs="$noconfigdirs ld"
252b5132 1023 ;;
691bb5a1 1024 hppa*-*-pro*)
691bb5a1 1025 ;;
252b5132 1026 hppa*-*-*)
9863d716 1027 noconfigdirs="$noconfigdirs ld"
252b5132 1028 ;;
b07c2aad 1029 i960-*-*)
b2f14e4a 1030 noconfigdirs="$noconfigdirs gdb"
b07c2aad 1031 ;;
2315914d
JW		 1032 ia64*-*-elf*)
1033 # No gdb support yet.
0377a422 1034 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 1035 ;;
a0c1c920 1036 ia64*-**-hpux*)
92c9a463 1037 # No ld support yet.
9863d716 1038 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 1039 ;;
19e99079 1040 ia64*-*-*vms*)
7ec59b9e
L		 1041 # No ld support yet.
1042 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 1043 ;;
1f53ca9a 1044 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 1045 ;;
1046 i[[3456789]]86-*-mingw*)
45055374 1047 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 1048 ;;
252b5132
RH		 1049 *-*-cygwin*)
1050 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1051 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1052 # always build newlib if winsup directory is present.
45055374 1053 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1054 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1055 elif test -d "$srcdir/newlib"; then
45055374 1056 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1057 fi
1f53ca9a 1058 ;;
ec11bdc6 1059 i[[3456789]]86-*-pe)
782cb41f 1060 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1061 ;;
ec11bdc6 1062 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 1063 # The linker does not yet know about weak symbols in COFF,
1064 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1065 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1066 ;;
ec11bdc6 1067 i[[3456789]]86-*-sco*)
b2f14e4a 1068 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1069 ;;
cff32a7c 1070 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 1071 noconfigdirs="$noconfigdirs target-libgloss"
1072 ;;
ec11bdc6 1073 i[[3456789]]86-*-sysv4*)
b2f14e4a 1074 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1075 ;;
ec11bdc6 1076 i[[3456789]]86-*-beos*)
c7e4b184 1077 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1078 ;;
b59bea8a 1079 i[[3456789]]86-*-rdos*)
c7e4b184 1080 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1081 ;;
75205f78 1082 mmix-*-*)
9863d716 1083 noconfigdirs="$noconfigdirs gdb"
75205f78 1084 ;;
4970f871 1085 mt-*-*)
cdb9b172
AH		 1086 noconfigdirs="$noconfigdirs sim"
1087 ;;
252b5132
RH		 1088 powerpc-*-aix*)
1089 # copied from rs6000-*-* entry
c7e4b184 1090 noconfigdirs="$noconfigdirs gprof"
252b5132 1091 ;;
93cc359e 1092 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1093 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1094 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1095 # always build newlib.
1096 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1097 ;;
1098 # This is temporary until we can link against shared libraries
1099 powerpcle-*-solaris*)
b2f14e4a 1100 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1101 ;;
1102 powerpc-*-beos*)
c7e4b184 1103 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1104 ;;
1105 rs6000-*-lynxos*)
c7e4b184 1106 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1107 ;;
1108 rs6000-*-aix*)
c7e4b184 1109 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1110 ;;
1111 rs6000-*-*)
9863d716 1112 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1113 ;;
1114 m68k-apollo-*)
b2f14e4a 1115 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1116 ;;
25a07265 1117 microblaze*)
9863d716 1118 noconfigdirs="$noconfigdirs gprof"
25a07265 1119 ;;
a9d58c06 1120 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
5bd8be13
RS		 1121 if test x$with_newlib = xyes; then
1122 noconfigdirs="$noconfigdirs gprof"
1123 fi
5bd8be13 1124 ;;
252b5132 1125 mips*-*-irix5*)
b2f14e4a 1126 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1127 ;;
1128 mips*-*-irix6*)
9863d716 1129 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1130 ;;
252b5132 1131 mips*-*-bsd*)
e8044f35 1132 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
252b5132 1133 ;;
fad93c55 1134 mips*-*-linux*)
fad93c55 1135 ;;
e8044f35
RS		 1136 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1137 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1138 noconfigdirs="$noconfigdirs ld gas gprof"
1139 ;;
252b5132 1140 mips*-*-*)
9863d716 1141 noconfigdirs="$noconfigdirs gprof"
252b5132 1142 ;;
b25b5cef
CJW		 1143 nds32*-*-*)
1144 noconfigdirs="$noconfigdirs gdb"
1145 ;;
cfbc1a6c
JS		 1146 or1k*-*-*)
1147 noconfigdirs="$noconfigdirs gdb"
1148 ;;
dbf85af7 1149 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1150 case "${target}" in
1151 sh*-*-elf)
9863d716 1152 ;;
e8a5fa9c 1153 *)
9863d716 1154 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1155 esac
252b5132 1156 ;;
252b5132 1157 sparc-*-sunos4*)
c7e4b184 1158 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1159 use_gnu_ld=no
1160 fi
1161 ;;
619a3713 1162 tic6x-*-*)
40ae9136 1163 noconfigdirs="$noconfigdirs sim"
619a3713 1164 ;;
68d122bb 1165 tilepro*-*-* | tilegx*-*-*)
eb4b2452
NC		 1166 noconfigdirs="$noconfigdirs sim"
1167 ;;
252b5132 1168 v810-*-*)
b2f14e4a 1169 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1170 ;;
1171 vax-*-*)
9863d716 1172 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1173 ;;
252b5132
RH		 1174esac
1175
1176# If we aren't building newlib, then don't build libgloss, since libgloss
1177# depends upon some newlib header files.
1178case "${noconfigdirs}" in
1179 *target-libgloss*) ;;
1180 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1181esac
252b5132 1182
f48556b1 1183# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1184host_makefile_frag=/dev/null
f48556b1
DD		 1185if test -d ${srcdir}/config ; then
1186case "${host}" in
ec11bdc6 1187 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1188 host_makefile_frag="config/mh-djgpp"
1189 ;;
1190 *-cygwin*)
e33b51a6 1191 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1192 host_makefile_frag="config/mh-cygwin"
1193 ;;
8a1599ab 1194 *-mingw*)
84e7906e 1195 host_makefile_frag="config/mh-mingw"
80f6dcbc 1196 ;;
da888c87 1197 hppa*-hp-hpux10*)
da888c87 1198 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1199 ;;
3516a403 1200 hppa*-hp-hpux*)
da888c87
PB		 1201 host_makefile_frag="config/mh-pa"
1202 ;;
7ec59b9e 1203 hppa*-*)
da888c87
PB		 1204 host_makefile_frag="config/mh-pa"
1205 ;;
e552509b
ILT		 1206 *-*-darwin*)
1207 host_makefile_frag="config/mh-darwin"
0df3d27f 1208 ;;
f6d183c0
PB		 1209 powerpc-*-aix*)
1210 host_makefile_frag="config/mh-ppc-aix"
1211 ;;
1212 rs6000-*-aix*)
1213 host_makefile_frag="config/mh-ppc-aix"
1214 ;;
f48556b1
DD		 1215esac
1216fi
1217
9e07f89d 1218if test "${build}" != "${host}" ; then
b5714970
PB		 1219 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1220 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1221 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1222 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1223 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1224 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1225 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1226 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1227 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1228 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1229 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1230 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1231 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1232else
b5714970
PB		 1233 AR_FOR_BUILD="\$(AR)"
1234 AS_FOR_BUILD="\$(AS)"
9e07f89d 1235 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1236 CXX_FOR_BUILD="\$(CXX)"
1237 GCJ_FOR_BUILD="\$(GCJ)"
1238 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1239 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1240 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1241 LD_FOR_BUILD="\$(LD)"
1242 NM_FOR_BUILD="\$(NM)"
1243 RANLIB_FOR_BUILD="\$(RANLIB)"
1244 WINDRES_FOR_BUILD="\$(WINDRES)"
1245 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1246fi
9e07f89d 1247
24ff9987
DJ		 1248AC_PROG_CC
1249AC_PROG_CXX
1250
1251# We must set the default linker to the linker used by gcc for the correct
1252# operation of libtool. If LD is not defined and we are using gcc, try to
1253# set the LD default to the ld used by gcc.
1254if test -z "$LD"; then
1255 if test "$GCC" = yes; then
1256 case $build in
1257 *-*-mingw*)
1258 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1259 *)
1260 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1261 esac
1262 case $gcc_prog_ld in
1263 # Accept absolute paths.
1264 [[\\/]* | [A-Za-z]:[\\/]*)]
1265 LD="$gcc_prog_ld" ;;
1266 esac
1267 fi
9e07f89d
NN		 1268fi
1269
b3676d82
EB		 1270# Check whether -static-libstdc++ -static-libgcc is supported.
1271have_static_libs=no
1272if test "$GCC" = yes; then
1273 saved_LDFLAGS="$LDFLAGS"
1274
1275 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1276 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1277 AC_LANG_PUSH(C++)
a882be68
EB		 1278 AC_LINK_IFELSE([
1279#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1280#error -static-libstdc++ not implemented
1281#endif
1282int main() {}],
b3676d82
EB		 1283 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1284 [AC_MSG_RESULT([no])])
1285 AC_LANG_POP(C++)
1286
1287 LDFLAGS="$saved_LDFLAGS"
1288fi
1289
9e07f89d 1290ACX_PROG_GNAT
b8908782 1291ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1292
ffdd6afc
ILT		 1293AC_ARG_ENABLE([bootstrap],
1294[AS_HELP_STRING([--enable-bootstrap],
1295 [enable bootstrapping @<:@yes if native build@:>@])],,
1296enable_bootstrap=default)
1297
1298# Issue errors and warnings for invalid/strange bootstrap combinations.
1299if test -r $srcdir/gcc/configure; then
1300 have_compiler=yes
1301else
1302 have_compiler=no
1303fi
1304
1305case "$have_compiler:$host:$target:$enable_bootstrap" in
1306 *:*:*:no) ;;
1307
1308 # Default behavior. Enable bootstrap if we have a compiler
1309 # and we are in a native configuration.
1310 yes:$build:$build:default)
1311 enable_bootstrap=yes ;;
1312
1313 *:*:*:default)
1314 enable_bootstrap=no ;;
1315
1316 # We have a compiler and we are in a native configuration, bootstrap is ok
1317 yes:$build:$build:yes)
1318 ;;
1319
1320 # Other configurations, but we have a compiler. Assume the user knows
1321 # what he's doing.
1322 yes:*:*:yes)
1323 AC_MSG_WARN([trying to bootstrap a cross compiler])
1324 ;;
1325
1326 # No compiler: if they passed --enable-bootstrap explicitly, fail
1327 no:*:*:yes)
1328 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1329
1330 # Fail if wrong command line
1331 *)
1332 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1333 ;;
1334esac
1335
d5f2ee2e
KG		 1336# Used for setting $lt_cv_objdir
1337_LT_CHECK_OBJDIR
1338
e8a5fa9c 1339# Check for GMP, MPFR and MPC
d9b76ff9 1340gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1341gmpinc=
4b900473 1342have_gmp=no
e8a5fa9c
RW		 1343
1344# Specify a location for mpc
1345# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1346AC_ARG_WITH(mpc,
1347[AS_HELP_STRING([--with-mpc=PATH],
1348 [specify prefix directory for installed MPC package.
1349 Equivalent to --with-mpc-include=PATH/include
1350 plus --with-mpc-lib=PATH/lib])])
1351AC_ARG_WITH(mpc-include,
1352[AS_HELP_STRING([--with-mpc-include=PATH],
1353 [specify directory for installed MPC include files])])
1354AC_ARG_WITH(mpc-lib,
1355[AS_HELP_STRING([--with-mpc-lib=PATH],
1356 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1357
1358if test "x$with_mpc" != x; then
d9b76ff9
KG		 1359 gmplibs="-L$with_mpc/lib $gmplibs"
1360 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1361fi
1362if test "x$with_mpc_include" != x; then
d9b76ff9 1363 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1364fi
1365if test "x$with_mpc_lib" != x; then
d9b76ff9 1366 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1367fi
1368if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1369 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1370 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1371 # Do not test the mpc version. Assume that it is sufficient, since
1372 # it is in the source tree, and the library has not been built yet
1373 # but it would be included on the link line in the version check below
1374 # hence making the test fail.
d9b76ff9 1375 have_gmp=yes
e8a5fa9c 1376fi
4b900473 1377
11b04d1f
DD		 1378# Specify a location for mpfr
1379# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1380AC_ARG_WITH(mpfr-dir,
1381[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1382[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1383Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1384
1385AC_ARG_WITH(mpfr,
1386[AS_HELP_STRING([--with-mpfr=PATH],
1387 [specify prefix directory for installed MPFR package.
1388 Equivalent to --with-mpfr-include=PATH/include
1389 plus --with-mpfr-lib=PATH/lib])])
1390AC_ARG_WITH(mpfr-include,
1391[AS_HELP_STRING([--with-mpfr-include=PATH],
1392 [specify directory for installed MPFR include files])])
1393AC_ARG_WITH(mpfr-lib,
1394[AS_HELP_STRING([--with-mpfr-lib=PATH],
1395 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1396
1397if test "x$with_mpfr" != x; then
1398 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1399 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1400fi
8a0d8a5c 1401if test "x$with_mpfr_include" != x; then
d9b76ff9 1402 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1403fi
1404if test "x$with_mpfr_lib" != x; then
1405 gmplibs="-L$with_mpfr_lib $gmplibs"
1406fi
4b900473 1407if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1408 # MPFR v3.1.0 moved the sources into a src sub-directory.
1409 if test -d ${srcdir}/mpfr/src; then
1410 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1411 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1412 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1413 else
1414 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1415 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1416 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1417 fi
4b900473
PB		 1418 # Do not test the mpfr version. Assume that it is sufficient, since
1419 # it is in the source tree, and the library has not been built yet
1420 # but it would be included on the link line in the version check below
1421 # hence making the test fail.
1422 have_gmp=yes
1423fi
11b04d1f 1424
4b1cb4fe 1425# Specify a location for gmp
7837304f
AS		 1426AC_ARG_WITH(gmp-dir,
1427[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1428[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1429Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1430
1431AC_ARG_WITH(gmp,
1432[AS_HELP_STRING([--with-gmp=PATH],
1433 [specify prefix directory for the installed GMP package.
1434 Equivalent to --with-gmp-include=PATH/include
1435 plus --with-gmp-lib=PATH/lib])])
1436AC_ARG_WITH(gmp-include,
1437[AS_HELP_STRING([--with-gmp-include=PATH],
1438 [specify directory for installed GMP include files])])
1439AC_ARG_WITH(gmp-lib,
1440[AS_HELP_STRING([--with-gmp-lib=PATH],
1441 [specify directory for the installed GMP library])])
4b1cb4fe 1442
4b1cb4fe 1443
11b04d1f
DD		 1444if test "x$with_gmp" != x; then
1445 gmplibs="-L$with_gmp/lib $gmplibs"
1446 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1447fi
8a0d8a5c
PB		 1448if test "x$with_gmp_include" != x; then
1449 gmpinc="-I$with_gmp_include $gmpinc"
1450fi
1451if test "x$with_gmp_lib" != x; then
1452 gmplibs="-L$with_gmp_lib $gmplibs"
1453fi
4b900473 1454if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1455 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1456 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1457 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1458 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1459 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1460 # Do not test the gmp version. Assume that it is sufficient, since
1461 # it is in the source tree, and the library has not been built yet
1462 # but it would be included on the link line in the version check below
1463 # hence making the test fail.
1464 have_gmp=yes
1465fi
4b1cb4fe 1466
ceb92e78 1467if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1468 have_gmp=yes
1469 saved_CFLAGS="$CFLAGS"
1470 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1471 # Check for the recommended and required versions of GMP.
1472 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1473 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1474 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1475 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1476 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1477 choke me
4b900473 1478 #endif
a009f2e7 1479 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1480 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1481 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1482 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1483 choke me
1484 #endif
a009f2e7 1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1486 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1487
e8a5fa9c 1488 # If we have GMP, check the MPFR version.
4b900473 1489 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1490 # Check for the recommended and required versions of MPFR.
1491 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1492 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1493 #include <mpfr.h>],[
7ec59b9e 1494 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1495 choke me
1496 #endif
a009f2e7 1497 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1498 #include <mpfr.h>],[
a6b5846e 1499 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1500 choke me
1501 #endif
a009f2e7 1502 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1503 [AC_MSG_RESULT([no]); have_gmp=no])
1504 fi
1505
1506 # Check for the MPC header version.
d9b76ff9 1507 if test x"$have_gmp" = xyes ; then
a6b5846e 1508 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1509 AC_MSG_CHECKING([for the correct version of mpc.h])
1510 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1511 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1512 choke me
1513 #endif
a009f2e7 1514 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1515 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1516 choke me
1517 #endif
a009f2e7 1518 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1519 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1520 fi
1521
1522 # Now check the MPFR library.
1523 if test x"$have_gmp" = xyes; then
1524 saved_LIBS="$LIBS"
1525 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1526 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1527 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1528 mpfr_t n;
1529 mpfr_t x;
d9b76ff9 1530 mpc_t c;
4b900473 1531 int t;
a3ca38d2
DD		 1532 mpfr_init (n);
1533 mpfr_init (x);
4b900473
PB		 1534 mpfr_atan2 (n, n, x, GMP_RNDN);
1535 mpfr_erfc (n, x, GMP_RNDN);
1536 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1537 mpfr_clear(n);
1538 mpfr_clear(x);
1539 mpc_init2 (c, 53);
1540 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1541 mpc_cosh (c, c, MPC_RNDNN);
1542 mpc_pow (c, c, c, MPC_RNDNN);
1543 mpc_acosh (c, c, MPC_RNDNN);
1544 mpc_clear (c);
e8a5fa9c
RW		 1545 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1546 LIBS="$saved_LIBS"
4b900473 1547 fi
e8a5fa9c 1548
4b900473 1549 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1550
a6b5846e
KG		 1551# The library versions listed in the error message below should match
1552# the HARD-minimums enforced above.
4b900473 1553 if test x$have_gmp != xyes; then
7ec59b9e 1554 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1555Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1556their locations. Source code for these libraries can be found at
1557their respective hosting sites as well as at
1558ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1559http://gcc.gnu.org/install/prerequisites.html for additional info. If
1560you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1561make sure that you have installed both the libraries and the header
1562files. They may be located in separate packages.])
4b900473 1563 fi
9dbaa842
DD		 1564fi
1565
e8a5fa9c 1566# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1567AC_SUBST(gmplibs)
1568AC_SUBST(gmpinc)
e8a5fa9c
RW		 1569AC_SUBST(extra_mpfr_configure_flags)
1570AC_SUBST(extra_mpc_gmp_configure_flags)
1571AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1572AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1573
29383458 1574# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1575AC_ARG_WITH(host-libstdcxx,
1576[AS_HELP_STRING([--with-host-libstdcxx=L],
1577 [use linker arguments L to link with libstdc++
1578 when linking with PPL])])
29383458
JM		 1579
1580case $with_host_libstdcxx in
1581 no|yes)
1582 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1583 ;;
1584esac
e28c595f 1585
e8a5fa9c
RW		 1586# Libraries to use for stage1 or when not bootstrapping.
1587AC_ARG_WITH(stage1-libs,
7837304f 1588[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1589[if test "$withval" = "no" -o "$withval" = "yes"; then
1590 stage1_libs=
1591 else
1592 stage1_libs=$withval
1593 fi],
1594[stage1_libs=$with_host_libstdcxx])
1595AC_SUBST(stage1_libs)
1596
b3676d82
EB		 1597# Linker flags to use for stage1 or when not bootstrapping.
1598AC_ARG_WITH(stage1-ldflags,
1599[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1600[if test "$withval" = "no" -o "$withval" = "yes"; then
1601 stage1_ldflags=
1602 else
1603 stage1_ldflags=$withval
1604 fi],
1605[stage1_ldflags=
1606 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1607 # if supported. But if the user explicitly specified the libraries to use,
1608 # trust that they are doing what they want.
1609 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1610 stage1_ldflags="-static-libstdc++ -static-libgcc"
1611 fi])
1612AC_SUBST(stage1_ldflags)
1613
e8a5fa9c
RW		 1614# Libraries to use for stage2 and later builds. This defaults to the
1615# argument passed to --with-host-libstdcxx.
1616AC_ARG_WITH(boot-libs,
7837304f 1617[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1618[if test "$withval" = "no" -o "$withval" = "yes"; then
1619 poststage1_libs=
1620 else
1621 poststage1_libs=$withval
1622 fi],
1623[poststage1_libs=$with_host_libstdcxx])
1624AC_SUBST(poststage1_libs)
1625
143754cd
NC		 1626# Linker flags to use for stage2 and later builds.
1627AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1628[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1629 [linker flags for stage2 and later])],
143754cd
NC		 1630[if test "$withval" = "no" -o "$withval" = "yes"; then
1631 poststage1_ldflags=
1632 else
1633 poststage1_ldflags=$withval
1634 fi],
1635[poststage1_ldflags=
4f11b223
ILT		 1636 # In stages 2 and 3, default to linking libstdc++ and libgcc
1637 # statically. But if the user explicitly specified the libraries to
1638 # use, trust that they are doing what they want.
1639 if test "$poststage1_libs" = ""; then
143754cd
NC		 1640 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1641 fi])
1642AC_SUBST(poststage1_ldflags)
1643
8e71395b
L		 1644# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1645# Basic setup is inlined here, actual checks are in config/cloog.m4 and
1646# config/isl.m4
1647
1648AC_ARG_WITH(cloog,
1649 [AS_HELP_STRING(
1650 [--with-cloog=PATH],
1651 [Specify prefix directory for the installed CLooG-ISL package.
1652 Equivalent to --with-cloog-include=PATH/include
1653 plus --with-cloog-lib=PATH/lib])])
1654AC_ARG_WITH(isl,
1655 [AS_HELP_STRING(
1656 [--with-isl=PATH],
1657 [Specify prefix directory for the installed ISL package.
1658 Equivalent to --with-isl-include=PATH/include
1659 plus --with-isl-lib=PATH/lib])])
1660
1661# Treat either --without-cloog or --without-isl as a request to disable
1662# GRAPHITE support and skip all following checks.
1663if test "x$with_isl" != "xno" &&
1664 test "x$with_cloog" != "xno"; then
1665 # Check for ISL
1666 dnl Provide configure switches and initialize islinc & isllibs
1667 dnl with user input.
1668 ISL_INIT_FLAGS
3dae1673 1669 dnl The versions of ISL that work for Graphite
7ec59b9e 1670 ISL_CHECK_VERSION(0,10)
3dae1673
JBG		 1671 if test "${gcc_cv_isl}" = no ; then
1672 ISL_CHECK_VERSION(0,11)
b3fc79f8
JBG		 1673 if test "${gcc_cv_isl}" = no ; then
1674 ISL_CHECK_VERSION(0,12)
1675 fi
3dae1673 1676 fi
7ec59b9e
L		 1677 dnl Only execute fail-action, if ISL has been requested.
1678 ISL_IF_FAILED([
1679 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f 1680
8e71395b
L		 1681 if test "x$gcc_cv_isl" != "xno"; then
1682 # Check for CLOOG
1683 dnl Provide configure switches and initialize clooginc & clooglibs
1684 dnl with user input.
1685 CLOOG_INIT_FLAGS
3dae1673 1686 dnl The versions of CLooG that work for Graphite.
8e71395b 1687 CLOOG_CHECK_VERSION(0,17,0)
3dae1673
JBG		 1688 if test "${gcc_cv_cloog}" = no ; then
1689 CLOOG_CHECK_VERSION(0,18,0)
1690 fi
8e71395b
L		 1691
1692 dnl Only execute fail-action, if CLooG has been requested.
1693 CLOOG_IF_FAILED([
1694 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1695 fi
e28c595f
JM		 1696fi
1697
7ec59b9e
L		 1698# If either the ISL or the CLooG check failed, disable builds of in-tree
1699# variants of both
8e71395b
L		 1700if test "x$with_isl" = xno ||
1701 test "x$with_cloog" = xno ||
1702 test "x$gcc_cv_cloog" = xno ||
1703 test "x$gcc_cv_isl" = xno; then
7ec59b9e 1704 noconfigdirs="$noconfigdirs cloog isl"
8e71395b
L		 1705 islinc=
1706 clooginc=
1707 clooglibs=
7ec59b9e
L		 1708fi
1709
8e71395b
L		 1710AC_SUBST(islinc)
1711AC_SUBST(clooglibs)
1712AC_SUBST(clooginc)
1713
1714
700d40ca
ILT		 1715# Check for LTO support.
1716AC_ARG_ENABLE(lto,
7837304f 1717[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1718enable_lto=$enableval,
1719enable_lto=yes; default_enable_lto=yes)
1720
74cea91b
DK		 1721ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1722 build_lto_plugin=yes
1723],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1724 case $target in
899b04ef 1725 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1726 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1727 *) enable_lto=no ;;
1728 esac
e49e5c92 1729 else
29821356
RW		 1730 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1731 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1732 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1733 # warn during gcc/ subconfigure; unless you're bootstrapping with
1734 # -flto it won't be needed until after installation anyway.
1735 case $target in
a8eb3f0a 1736 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1737 *) if test x"$enable_lto" = x"yes"; then
1738 AC_MSG_ERROR([LTO support is not enabled for this target.])
1739 fi
1740 ;;
1741 esac
1742 fi
a8eb3f0a 1743 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1744 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1745 case $target in
74cea91b 1746 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1747 *) ;;
1748 esac
74cea91b 1749])
700d40ca 1750
e28c595f 1751
7ec59b9e 1752# By default, C and C++ are the only stage 1 languages.
9b134994 1753stage1_languages=,c,
1d39f329 1754
e8a5fa9c 1755# Target libraries that we bootstrap.
2aa2364a 1756bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1757
9e07f89d
NN		 1758# Figure out what language subdirectories are present.
1759# Look if the user specified --enable-languages="..."; if not, use
1760# the environment variable $LANGUAGES if defined. $LANGUAGES might
1761# go away some day.
1762# NB: embedded tabs in this IF block -- do not untabify
1763if test -d ${srcdir}/gcc; then
1764 if test x"${enable_languages+set}" != xset; then
1765 if test x"${LANGUAGES+set}" = xset; then
1766 enable_languages="${LANGUAGES}"
1767 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1768 else
1769 enable_languages=all
1770 fi
1771 else
1772 if test x"${enable_languages}" = x ||
1773 test x"${enable_languages}" = xyes;
1774 then
1775 echo configure.in: --enable-languages needs at least one language argument 1>&2
1776 exit 1
1777 fi
1778 fi
1779 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1780
096f7d00
DE		 1781 # 'f95' is the old name for the 'fortran' language. We issue a warning
1782 # and make the substitution.
1783 case ,${enable_languages}, in
1784 *,f95,*)
1785 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1786 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1787 ;;
1788 esac
1789
7ec59b9e
L		 1790 # If bootstrapping, C++ must be enabled.
1791 case ",$enable_languages,:$enable_bootstrap" in
1792 *,c++,*:*) ;;
1793 *:yes)
ffdd6afc
ILT		 1794 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1795 enable_languages="${enable_languages},c++"
1796 else
7ec59b9e 1797 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1798 fi
1799 ;;
1800 esac
1801
9e07f89d
NN		 1802 # First scan to see if an enabled language requires some other language.
1803 # We assume that a given config-lang.in will list all the language
1804 # front ends it requires, even if some are required indirectly.
1805 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1806 case ${lang_frag} in
1807 ..) ;;
1808 # The odd quoting in the next line works around
1809 # an apparent bug in bash 1.12 on linux.
1810 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1811 *)
e552509b
ILT		 1812 # From the config-lang.in, get $language, $lang_requires, and
1813 # $lang_requires_boot_languages.
9e07f89d
NN		 1814 language=
1815 lang_requires=
e552509b 1816 lang_requires_boot_languages=
9e07f89d 1817 . ${lang_frag}
e552509b 1818 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1819 case ,${enable_languages}, in
1820 *,$other,*) ;;
1821 *,all,*) ;;
1822 *,$language,*)
1823 echo " \`$other' language required by \`$language'; enabling" 1>&2
1824 enable_languages="${enable_languages},${other}"
1825 ;;
1826 esac
1827 done
e552509b
ILT		 1828 for other in ${lang_requires_boot_languages} ; do
1829 if test "$other" != "c"; then
1830 case ,${enable_stage1_languages}, in
1831 *,$other,*) ;;
1832 *,all,*) ;;
1833 *)
1834 case ,${enable_languages}, in
1835 *,$language,*)
1836 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1837 enable_stage1_languages="$enable_stage1_languages,${other}"
1838 ;;
1839 esac
1840 ;;
1841 esac
1842 fi
1843 done
9e07f89d
NN		 1844 ;;
1845 esac
1846 done
1847
9b134994 1848 new_enable_languages=,c,
700d40ca
ILT		 1849
1850 # If LTO is enabled, add the LTO front end.
1851 extra_host_libiberty_configure_flags=
1852 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1853 case ,${enable_languages}, in
1854 *,lto,*) ;;
1855 *) enable_languages="${enable_languages},lto" ;;
1856 esac
a8eb3f0a 1857 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1858 configdirs="$configdirs lto-plugin"
1859 extra_host_libiberty_configure_flags=--enable-shared
1860 fi
1861 fi
1862 AC_SUBST(extra_host_libiberty_configure_flags)
1863
9e07f89d 1864 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1865 potential_languages=,c,
9e07f89d 1866
9e1a94f4
ILT		 1867 enabled_target_libs=
1868 disabled_target_libs=
1869
9e07f89d
NN		 1870 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1871 case ${lang_frag} in
1872 ..) ;;
1873 # The odd quoting in the next line works around
1874 # an apparent bug in bash 1.12 on linux.
1875 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1876 *)
7ec59b9e 1877 # From the config-lang.in, get $language, $target_libs,
1d39f329 1878 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1879 language=
1880 target_libs=
1881 lang_dirs=
64ce424c 1882 subdir_requires=
9b134994
PB		 1883 boot_language=no
1884 build_by_default=yes
9e07f89d 1885 . ${lang_frag}
9b134994
PB		 1886 if test x${language} = x; then
1887 echo "${lang_frag} doesn't set \$language." 1>&2
1888 exit 1
1889 fi
1890
ffdd6afc 1891 if test "$language" = "c++"; then
7ec59b9e 1892 boot_language=yes
e8a5fa9c
RW		 1893 fi
1894
8e71395b 1895 add_this_lang=no
9b134994
PB		 1896 case ,${enable_languages}, in
1897 *,${language},*)
7ec59b9e
L		 1898 # Language was explicitly selected; include it
1899 # unless it is C, which is enabled by default.
1900 if test "$language" != "c"; then
1901 add_this_lang=yes
1902 fi
9e07f89d 1903 ;;
9b134994
PB		 1904 *,all,*)
1905 # 'all' was selected, select it if it is a default language
8e71395b
L		 1906 if test "$language" != "c"; then
1907 add_this_lang=${build_by_default}
1908 fi
9e07f89d
NN		 1909 ;;
1910 esac
4b1cb4fe 1911
64ce424c 1912 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1913 for i in $subdir_requires; do
3d3adb43 1914 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1915 case ,${enable_languages}, in
1916 *,${language},*)
1917 # Specifically requested language; tell them.
1918 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1919 ;;
1920 *)
1921 # Silently disable.
9b134994 1922 add_this_lang=unsupported
64ce424c
PB		 1923 ;;
1924 esac
1925 done
1926
9b134994
PB		 1927 # Disable Ada if no preexisting GNAT is available.
1928 case ,${enable_languages},:${language}:${have_gnat} in
1929 *,${language},*:ada:no)
1930 # Specifically requested language; tell them.
1931 AC_MSG_ERROR([GNAT is required to build $language])
1932 ;;
1933 *:ada:no)
1934 # Silently disable.
1935 add_this_lang=unsupported
1936 ;;
1937 esac
1938
59f7ec45
HPN		 1939 # Disable a language that is unsupported by the target.
1940 case " $unsupported_languages " in
1941 *" $language "*)
9b134994 1942 add_this_lang=unsupported
59f7ec45
HPN		 1943 ;;
1944 esac
1945
4b1cb4fe 1946 case $add_this_lang in
9b134994 1947 unsupported)
9e07f89d 1948 # Remove language-dependent dirs.
9e1a94f4
ILT		 1949 disabled_target_libs="$disabled_target_libs $target_libs"
1950 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1951 ;;
9b134994
PB		 1952 no)
1953 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1954 disabled_target_libs="$disabled_target_libs $target_libs"
1955 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1956 potential_languages="${potential_languages}${language},"
1957 ;;
1958 yes)
1959 new_enable_languages="${new_enable_languages}${language},"
1960 potential_languages="${potential_languages}${language},"
1d39f329 1961 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1962 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1963 case "${boot_language}:,$enable_stage1_languages," in
1964 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1965 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1966 case ",$stage1_languages," in
1967 *,$language,* | ,yes, | ,all,) ;;
1968 *) stage1_languages="${stage1_languages}${language}," ;;
1969 esac
e8a5fa9c
RW		 1970 # We need to bootstrap any supporting libraries.
1971 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1972 ;;
1973 esac
1974 ;;
9e07f89d
NN		 1975 esac
1976 ;;
1977 esac
1978 done
1979
9e1a94f4
ILT		 1980 # Add target libraries which are only needed for disabled languages
1981 # to noconfigdirs.
1982 if test -n "$disabled_target_libs"; then
1983 for dir in $disabled_target_libs; do
1984 case " $enabled_target_libs " in
1985 *" ${dir} "*) ;;
1986 *) noconfigdirs="$noconfigdirs $dir" ;;
1987 esac
1988 done
1989 fi
1990
9b134994 1991 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1992 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1993 [choose additional languages to build during
1994 stage1. Mostly useful for compiler development])],
9b134994
PB		 1995 [case ,${enable_stage1_languages}, in
1996 ,no,|,,)
1997 # Set it to something that will have no effect in the loop below
1998 enable_stage1_languages=c ;;
1999 ,yes,)
2000 enable_stage1_languages=`echo $new_enable_languages | \
2001 sed -e "s/^,//" -e "s/,$//" ` ;;
2002 *,all,*)
2003 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2004 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2005 esac
2006
2007 # Add "good" languages from enable_stage1_languages to stage1_languages,
2008 # while "bad" languages go in missing_languages. Leave no duplicates.
2009 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2010 case $potential_languages in
2011 *,$i,*)
2012 case $stage1_languages in
2013 *,$i,*) ;;
2014 *) stage1_languages="$stage1_languages$i," ;;
2015 esac ;;
2016 *)
2017 case $missing_languages in
2018 *,$i,*) ;;
2019 *) missing_languages="$missing_languages$i," ;;
2020 esac ;;
2021 esac
2022 done])
2023
2024 # Remove leading/trailing commas that were added for simplicity
2025 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2026 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2027 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2028 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2029
9e07f89d
NN		 2030 if test "x$missing_languages" != x; then
2031 AC_MSG_ERROR([
27258dd4 2032The following requested languages could not be built: ${missing_languages}
9b134994 2033Supported languages are: ${potential_languages}])
9e07f89d 2034 fi
9e07f89d
NN		 2035 if test "x$new_enable_languages" != "x$enable_languages"; then
2036 echo The following languages will be built: ${new_enable_languages}
9b134994 2037 enable_languages="$new_enable_languages"
9e07f89d 2038 fi
9b134994
PB		 2039
2040 AC_SUBST(stage1_languages)
81ec575a 2041 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2042fi
2043
a6df5a19
PB		 2044# Handle --disable-<component> generically.
2045for dir in $configdirs $build_configdirs $target_configdirs ; do
2046 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2047 varname=`echo $dirname | sed -e s/+/_/g`
2048 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2049 noconfigdirs="$noconfigdirs $dir"
2050 fi
2051done
2052
4f0ef2d8
CD		 2053# Check for Boehm's garbage collector
2054AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2055[AS_HELP_STRING([--enable-objc-gc],
2056 [enable use of Boehm's garbage collector with the
2057 GNU Objective-C runtime])],
4f0ef2d8
CD		 2058[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2059 *,objc,*:*:yes:*target-boehm-gc*)
2060 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2061 ;;
2062esac])
2063
2064# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2065case ,${enable_languages},:${enable_objc_gc} in
2066 *,objc,*:yes)
4f0ef2d8
CD		 2067 # Keep target-boehm-gc if requested for Objective-C.
2068 ;;
4f0ef2d8 2069 *)
d42c4017
DA		 2070 # Otherwise remove target-boehm-gc depending on target-libjava.
2071 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2072 noconfigdirs="$noconfigdirs target-boehm-gc"
2073 fi
4f0ef2d8
CD		 2074 ;;
2075esac
2076
95e43135 2077# Disable libitm, libsanitizer, libvtv if we're not building C++
7ec59b9e
L		 2078case ,${enable_languages}, in
2079 *,c++,*) ;;
2080 *)
9aaf2a7e 2081 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
7ec59b9e
L		 2082 ;;
2083esac
2084
caeba88f
AL		 2085# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2086# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2087# If we have the source for $noconfigdirs entries, add them to $notsupp.
2088
2089notsupp=""
2090for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2091 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2092 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2093 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2094 if test -r $srcdir/$dirname/configure ; then
2095 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2096 true
2097 else
2098 notsupp="$notsupp $dir"
2099 fi
2100 fi
2101 fi
caeba88f
AL		 2102 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2103 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2104 if test -r $srcdir/$dirname/configure ; then
2105 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2106 true
2107 else
2108 notsupp="$notsupp $dir"
2109 fi
2110 fi
2111 fi
9e07f89d
NN		 2112 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2113 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2114 if test -r $srcdir/$dirname/configure ; then
2115 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2116 true
2117 else
2118 notsupp="$notsupp $dir"
2119 fi
2120 fi
2121 fi
2122done
2123
9e07f89d
NN		 2124# Quietly strip out all directories which aren't configurable in this tree.
2125# This relies on all configurable subdirectories being autoconfiscated, which
2126# is now the case.
6a9cf61e
PB		 2127build_configdirs_all="$build_configdirs"
2128build_configdirs=
2129for i in ${build_configdirs_all} ; do
7ec59b9e 2130 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2131 if test -f ${srcdir}/$j/configure ; then
2132 build_configdirs="${build_configdirs} $i"
2133 fi
2134done
2135
9e07f89d
NN		 2136configdirs_all="$configdirs"
2137configdirs=
2138for i in ${configdirs_all} ; do
2139 if test -f ${srcdir}/$i/configure ; then
2140 configdirs="${configdirs} $i"
2141 fi
2142done
6a9cf61e 2143
9e07f89d
NN		 2144target_configdirs_all="$target_configdirs"
2145target_configdirs=
2146for i in ${target_configdirs_all} ; do
7ec59b9e 2147 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2148 if test -f ${srcdir}/$j/configure ; then
2149 target_configdirs="${target_configdirs} $i"
2150 fi
2151done
2152
2153# Produce a warning message for the subdirs we can't configure.
2154# This isn't especially interesting in the Cygnus tree, but in the individual
2155# FSF releases, it's important to let people know when their machine isn't
2156# supported by the one or two programs in a package.
2157
2158if test -n "${notsupp}" && test -z "${norecursion}" ; then
2159 # If $appdirs is non-empty, at least one of those directories must still
2160 # be configured, or we error out. (E.g., if the gas release supports a
2161 # specified target in some subdirs but not the gas subdir, we shouldn't
2162 # pretend that all is well.)
2163 if test -n "$appdirs" ; then
2164 for dir in $appdirs ; do
2165 if test -r $dir/Makefile.in ; then
2166 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2167 appdirs=""
2168 break
2169 fi
6a9cf61e 2170 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2171 appdirs=""
2172 break
2173 fi
2174 fi
2175 done
2176 if test -n "$appdirs" ; then
2177 echo "*** This configuration is not supported by this package." 1>&2
2178 exit 1
2179 fi
2180 fi
2181 # Okay, some application will build, or we don't care to check. Still
2182 # notify of subdirs not getting built.
2183 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2184 echo " ${notsupp}" 1>&2
2185 echo " (Any other directories should still work fine.)" 1>&2
2186fi
2187
2188case "$host" in
2189 *msdosdjgpp*)
2190 enable_gdbtk=no ;;
2191esac
2192
24ff9987
DJ		 2193# To find our prefix, in gcc_cv_tool_prefix.
2194ACX_TOOL_DIRS
2195
9e07f89d
NN		 2196copy_dirs=
2197
7ec59b9e 2198AC_ARG_WITH([build-sysroot],
7837304f
AS		 2199 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2200 [use sysroot as the system root during the build])],
a19b6204
MM		 2201 [if test x"$withval" != x ; then
2202 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2203 fi],
2204 [SYSROOT_CFLAGS_FOR_TARGET=])
2205AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2206
8a6ee3ab 2207AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2208 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2209 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2210 [if test x"$withval" != x; then
2211 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2212 for debug_map in $withval; do
2213 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2214 done
2215 fi],
2216 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2217AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2218
7f6ef0c0
PB		 2219# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2220# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2221# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2222# We want to ensure that TARGET libraries (which we know are built with
2223# gcc) are built with "-O2 -g", so include those options when setting
2224# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2225if test "x$CFLAGS_FOR_TARGET" = x; then
2226 CFLAGS_FOR_TARGET=$CFLAGS
2227 case " $CFLAGS " in
2228 *" -O2 "*) ;;
68f107fa 2229 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2230 esac
2231 case " $CFLAGS " in
2232 *" -g "* | *" -g3 "*) ;;
68f107fa 2233 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2234 esac
2235fi
2236AC_SUBST(CFLAGS_FOR_TARGET)
2237
2238if test "x$CXXFLAGS_FOR_TARGET" = x; then
2239 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2240 case " $CXXFLAGS " in
2241 *" -O2 "*) ;;
68f107fa 2242 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2243 esac
2244 case " $CXXFLAGS " in
2245 *" -g "* | *" -g3 "*) ;;
68f107fa 2246 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2247 esac
2248fi
2249AC_SUBST(CXXFLAGS_FOR_TARGET)
2250
91c1f14c
DK		 2251AC_SUBST(LDFLAGS_FOR_TARGET)
2252
9e07f89d
NN		 2253# Handle --with-headers=XXX. If the value is not "yes", the contents of
2254# the named directory are copied to $(tooldir)/sys-include.
2255if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2256 if test x${is_cross_compiler} = xno ; then
2257 echo 1>&2 '***' --with-headers is only supported when cross compiling
2258 exit 1
2259 fi
2260 if test x"${with_headers}" != xyes ; then
24ff9987 2261 x=${gcc_cv_tool_prefix}
c6b750e1 2262 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2263 fi
2264fi
2265
2266# Handle --with-libs=XXX. If the value is not "yes", the contents of
2267# the name directories are copied to $(tooldir)/lib. Multiple directories
2268# are permitted.
2269if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2270 if test x${is_cross_compiler} = xno ; then
2271 echo 1>&2 '***' --with-libs is only supported when cross compiling
2272 exit 1
2273 fi
2274 if test x"${with_libs}" != xyes ; then
2275 # Copy the libraries in reverse order, so that files in the first named
2276 # library override files in subsequent libraries.
24ff9987 2277 x=${gcc_cv_tool_prefix}
9e07f89d 2278 for l in ${with_libs}; do
c6b750e1 2279 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2280 done
2281 fi
2282fi
2283
700d40ca 2284# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2285#
2286# This is done by determining whether or not the appropriate directory
2287# is available, and by checking whether or not specific configurations
2288# have requested that this magic not happen.
7ec59b9e
L		 2289#
2290# The command line options always override the explicit settings in
2429c060
PB		 2291# configure.in, and the settings in configure.in override this magic.
2292#
7ec59b9e 2293# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2294# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2295# --without-gnu-ld options for the configure script. Similarly, if
2296# the default is to use the included zlib and you don't want to do that,
2297# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2298
2299if test x${use_gnu_as} = x &&
2300 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2301 with_gnu_as=yes
2302 extra_host_args="$extra_host_args --with-gnu-as"
2303fi
2304
2305if test x${use_gnu_ld} = x &&
93f9b408 2306 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2307 with_gnu_ld=yes
2308 extra_host_args="$extra_host_args --with-gnu-ld"
2309fi
2310
700d40ca
ILT		 2311if test x${use_included_zlib} = x &&
2312 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2313 :
2314else
2315 with_system_zlib=yes
2316 extra_host_args="$extra_host_args --with-system-zlib"
2317fi
2318
2429c060
PB		 2319# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2320# can detect this case.
2321
2322if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2323 with_newlib=yes
2324 extra_host_args="$extra_host_args --with-newlib"
2325fi
2326
9e07f89d
NN		 2327# Handle ${copy_dirs}
2328set fnord ${copy_dirs}
2329shift
2330while test $# != 0 ; do
2331 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2332 :
2333 else
2334 echo Copying $1 to $2
2335
2336 # Use the install script to create the directory and all required
2337 # parent directories.
2338 if test -d $2 ; then
2339 :
2340 else
2341 echo >config.temp
2342 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2343 fi
2344
2345 # Copy the directory, assuming we have tar.
2346 # FIXME: Should we use B in the second tar? Not all systems support it.
2347 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2348
2349 # It is the responsibility of the user to correctly adjust all
2350 # symlinks. If somebody can figure out how to handle them correctly
2351 # here, feel free to add the code.
2352
2353 echo $1 > $2/COPIED
2354 fi
2355 shift; shift
2356done
2357
2429c060
PB		 2358# Determine a target-dependent exec_prefix that the installed
2359# gcc will search in. Keep this list sorted by triplet, with
2360# the *-*-osname triplets last.
2361md_exec_prefix=
2362case "${target}" in
521ec477 2363 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2364 md_exec_prefix=/dev/env/DJDIR/bin
2365 ;;
2429c060 2366 *-*-hpux* | \
2429c060 2367 *-*-nto-qnx* | \
1f111696 2368 *-*-solaris2*)
2429c060
PB		 2369 md_exec_prefix=/usr/ccs/bin
2370 ;;
2371esac
2372
874e38b4
NN		 2373extra_arflags_for_target=
2374extra_nmflags_for_target=
1086bc09 2375extra_ranlibflags_for_target=
a0da8069 2376target_makefile_frag=/dev/null
f48556b1 2377case "${target}" in
77d7106f
AM		 2378 spu-*-*)
2379 target_makefile_frag="config/mt-spu"
2380 ;;
a9d58c06 2381 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
429acdec
RS		 2382 target_makefile_frag="config/mt-sde"
2383 ;;
f3b1e08e
RS		 2384 mipsisa*-*-elfoabi*)
2385 target_makefile_frag="config/mt-mips-elfoabi"
2386 ;;
e7c8859c
RS		 2387 mips*-*-*linux* | mips*-*-gnu*)
2388 target_makefile_frag="config/mt-mips-gnu"
2389 ;;
d9e042ac
SL		 2390 nios2-*-elf*)
2391 target_makefile_frag="config/mt-nios2-elf"
2392 ;;
29383458 2393 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2394 target_makefile_frag="config/mt-gnu"
f48556b1 2395 ;;
a0da8069 2396 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2397 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2398 # commands to handle both 32-bit and 64-bit objects. These flags are
2399 # harmless if we're using GNU nm or ar.
2400 extra_arflags_for_target=" -X32_64"
2401 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2402 ;;
b6f83f2a
DD		 2403esac
2404
a0da8069 2405alphaieee_frag=/dev/null
b6f83f2a
DD		 2406case $target in
2407 alpha*-*-*)
2408 # This just makes sure to use the -mieee option to build target libs.
2409 # This should probably be set individually by each library.
2410 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2411 ;;
2412esac
a0a2c6c6 2413
f48556b1
DD		 2414# If --enable-target-optspace always use -Os instead of -O2 to build
2415# the target libraries, similarly if it is not specified, use -Os
2416# on selected platforms.
a0da8069 2417ospace_frag=/dev/null
f48556b1
DD		 2418case "${enable_target_optspace}:${target}" in
2419 yes:*)
b6f83f2a 2420 ospace_frag="config/mt-ospace"
f48556b1
DD		 2421 ;;
2422 :d30v-*)
b6f83f2a 2423 ospace_frag="config/mt-d30v"
f48556b1
DD		 2424 ;;
2425 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2426 ospace_frag="config/mt-ospace"
f48556b1
DD		 2427 ;;
2428 no:* | :*)
2429 ;;
2430 *)
2431 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2432 ;;
2433esac
252b5132 2434
a0da8069
NN		 2435# Some systems (e.g., one of the i386-aix systems the gas testers are
2436# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2437tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2438build_tooldir=${tooldir}
2439
a0da8069
NN		 2440# Create a .gdbinit file which runs the one in srcdir
2441# and tells GDB to look there for source files.
2442
2443if test -r ${srcdir}/.gdbinit ; then
2444 case ${srcdir} in
2445 .) ;;
2446 *) cat > ./.gdbinit <<EOF
2447# ${NO_EDIT}
2448dir ${srcdir}
2449dir .
2450source ${srcdir}/.gdbinit
2451EOF
2452 ;;
2453 esac
2454fi
2455
252b5132
RH		 2456# Make sure that the compiler is able to generate an executable. If it
2457# can't, we are probably in trouble. We don't care whether we can run the
2458# executable--we might be using a cross compiler--we only care whether it
2459# can be created. At this point the main configure script has set CC.
a0c4f3a0 2460we_are_ok=no
252b5132
RH		 2461echo "int main () { return 0; }" > conftest.c
2462${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2463if test $? = 0 ; then
2464 if test -s conftest || test -s conftest.exe ; then
2465 we_are_ok=yes
2466 fi
7ec59b9e 2467fi
a0c4f3a0
DD		 2468case $we_are_ok in
2469 no)
2470 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2471 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2472 rm -f conftest*
2473 exit 1
2474 ;;
2475esac
252b5132
RH		 2476rm -f conftest*
2477
3bbd2f8f 2478# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2479case "${host}" in
2480 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2481 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2482 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2483 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2484esac
8607b6c9 2485
3bbd2f8f 2486# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2487# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2488# built executables to PATH.
3bbd2f8f
AL		 2489if test "$RPATH_ENVVAR" = PATH; then
2490 GCC_SHLIB_SUBDIR=/shlib
2491else
2492 GCC_SHLIB_SUBDIR=
2493fi
2494
730af8ee 2495# Adjust the toplevel makefile according to whether bootstrap was selected.
2496case $enable_bootstrap in
2497 yes)
2498 bootstrap_suffix=bootstrap
2499 BUILD_CONFIG=bootstrap-debug
2500 ;;
2501 no)
2502 bootstrap_suffix=no-bootstrap
2503 BUILD_CONFIG=
2504 ;;
2505esac
2506
2507AC_MSG_CHECKING(for default BUILD_CONFIG)
2508
2509AC_ARG_WITH([build-config],
2510 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2511 [use config/NAME.mk build configuration])],
2512 [case $with_build_config in
2513 yes) with_build_config= ;;
2514 no) with_build_config= BUILD_CONFIG= ;;
2515 esac])
2516
2517if test "x${with_build_config}" != x; then
2518 BUILD_CONFIG=$with_build_config
2519else
2520 case $BUILD_CONFIG in
2521 bootstrap-debug)
2522 if echo "int f (void) { return 0; }" > conftest.c &&
2523 ${CC} -c conftest.c &&
2524 mv conftest.o conftest.o.g0 &&
2525 ${CC} -c -g conftest.c &&
2526 mv conftest.o conftest.o.g &&
2527 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2528 :
2529 else
2530 BUILD_CONFIG=
2531 fi
2532 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2533 ;;
2534 esac
2535fi
2536AC_MSG_RESULT($BUILD_CONFIG)
2537AC_SUBST(BUILD_CONFIG)
2538
2539# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2540AC_MSG_CHECKING([for --enable-vtable-verify])
2541AC_ARG_ENABLE(vtable-verify,
2542[ --enable-vtable-verify Enable vtable verification feature ],
2543[case "$enableval" in
2544 yes) enable_vtable_verify=yes ;;
2545 no) enable_vtable_verify=no ;;
2546 *) enable_vtable_verify=no;;
2547 esac],
2548[enable_vtable_verify=no])
2549AC_MSG_RESULT($enable_vtable_verify)
2550
3866be5d
NN		 2551# Record target_configdirs and the configure arguments for target and
2552# build configuration in Makefile.
2553target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2554build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
201f096f 2555bootstrap_fixincludes=no
930314a4 2556
2aa2364a
JR		 2557# If we are building libgomp, bootstrap it.
2558if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2559 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2560fi
2561
730af8ee 2562# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2563# or bootstrap-ubsan, bootstrap it.
2564if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2565 case "$BUILD_CONFIG" in
2566 *bootstrap-asan* | *bootstrap-ubsan* )
2567 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
201f096f 2568 bootstrap_fixincludes=yes
730af8ee 2569 ;;
2570 esac
5eb08693
L		 2571fi
2572
730af8ee 2573# If we are building libvtv and --enable-vtable-verify, bootstrap it.
2574if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2575 test "$enable_vtable_verify" != no; then
95e43135
JBG		 2576 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2577fi
2578
930314a4
NN		 2579# Determine whether gdb needs tk/tcl or not.
2580# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2581# and in that case we want gdb to be built without tk. Ugh!
2582# In fact I believe gdb is the *only* package directly dependent on tk,
2583# so we should be able to put the 'maybe's in unconditionally and
2584# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2585# 100% sure that that's safe though.
c180f501 2586
675c6968 2587gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2588case "$enable_gdbtk" in
2589 no)
2590 GDB_TK="" ;;
c180f501
AC		 2591 yes)
2592 GDB_TK="${gdb_tk}" ;;
930314a4 2593 *)
c180f501
AC		 2594 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2595 # distro. Eventually someone will fix this and move Insight, nee
2596 # gdbtk to a separate directory.
2597 if test -d ${srcdir}/gdb/gdbtk ; then
2598 GDB_TK="${gdb_tk}"
2599 else
2600 GDB_TK=""
2601 fi
2602 ;;
930314a4 2603esac
907be67c
DJ		 2604CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2605INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2606
6bd3dfaa 2607# Strip out unwanted targets.
dd12c3a8
NN		 2608
2609# While at that, we remove Makefiles if we were started for recursive
2610# configuration, so that the top-level Makefile reconfigures them,
2611# like we used to do when configure itself was recursive.
dd12c3a8 2612
06a51eac
RW		 2613# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2614# but now we're fixing up the Makefile ourselves with the additional
2615# commands passed to AC_CONFIG_FILES. Use separate variables
2616# extrasub-{build,host,target} not because there is any reason to split
2617# the substitutions up that way, but only to remain below the limit of
2618# 99 commands in a script, for HP-UX sed.
2619# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2620
16b1ad29
RW		 2621case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2622 yes:yes:*\ gold\ *:*,c++,*) ;;
2623 yes:yes:*\ gold\ *:*)
2624 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2625 ;;
2626esac
2627
06a51eac 2628extrasub_build=
6a9cf61e 2629for module in ${build_configdirs} ; do
dd12c3a8
NN		 2630 if test -z "${no_recursion}" \
2631 && test -f ${build_subdir}/${module}/Makefile; then
2632 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2633 rm -f ${build_subdir}/${module}/Makefile
2634 fi
06a51eac 2635 extrasub_build="$extrasub_build
6bd3dfaa 2636/^@if build-$module\$/d
498d4a71
CF		 2637/^@endif build-$module\$/d
2638/^@if build-$module-$bootstrap_suffix\$/d
2639/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2640done
06a51eac 2641extrasub_host=
dd12c3a8 2642for module in ${configdirs} ; do
80911fe1 2643 if test -z "${no_recursion}"; then
8cf39b1b 2644 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2645 if test -f ${file}; then
2646 echo 1>&2 "*** removing ${file} to force reconfigure"
2647 rm -f ${file}
2648 fi
2649 done
dd12c3a8 2650 fi
201f096f 2651 case ${module},${bootstrap_fixincludes} in
2652 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2653 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2654 esac
06a51eac 2655 extrasub_host="$extrasub_host
6bd3dfaa 2656/^@if $module\$/d
498d4a71 2657/^@endif $module\$/d
201f096f 2658/^@if $module-$host_bootstrap_suffix\$/d
2659/^@endif $module-$host_bootstrap_suffix\$/d"
dd12c3a8 2660done
06a51eac 2661extrasub_target=
dd12c3a8
NN		 2662for module in ${target_configdirs} ; do
2663 if test -z "${no_recursion}" \
2664 && test -f ${target_subdir}/${module}/Makefile; then
2665 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2666 rm -f ${target_subdir}/${module}/Makefile
2667 fi
e8a5fa9c
RW		 2668
2669 # We only bootstrap target libraries listed in bootstrap_target_libs.
2670 case $bootstrap_target_libs in
2671 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2672 *) target_bootstrap_suffix=no-bootstrap ;;
2673 esac
2674
06a51eac 2675 extrasub_target="$extrasub_target
6bd3dfaa 2676/^@if target-$module\$/d
498d4a71 2677/^@endif target-$module\$/d
e8a5fa9c
RW		 2678/^@if target-$module-$target_bootstrap_suffix\$/d
2679/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2680done
319cab08 2681
06a51eac
RW		 2682# Do the final fixup along with target modules.
2683extrasub_target="$extrasub_target
6bd3dfaa 2684/^@if /,/^@endif /d"
930314a4 2685
a2cc058a
NN		 2686# Create the serialization dependencies. This uses a temporary file.
2687
e6bfb94a 2688AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2689[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2690 [force sequential configuration of
2691 sub-packages for the host, target or build
2692 machine, or all sub-packages])])
1047cb91
DD		 2693
2694case ${enable_serial_configure} in
2695 yes)
2696 enable_serial_build_configure=yes
2697 enable_serial_host_configure=yes
2698 enable_serial_target_configure=yes
2699 ;;
2700esac
e6bfb94a 2701
a2cc058a
NN		 2702# These force 'configure's to be done one at a time, to avoid problems
2703# with contention over a shared config.cache.
2704rm -f serdep.tmp
e6bfb94a 2705echo '# serdep.tmp' > serdep.tmp
a2cc058a 2706olditem=
1047cb91 2707test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2708for item in ${build_configdirs} ; do
2709 case ${olditem} in
2710 "") ;;
e6bfb94a 2711 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2712 esac
2713 olditem=${item}
2714done
2715olditem=
1047cb91 2716test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2717for item in ${configdirs} ; do
2718 case ${olditem} in
2719 "") ;;
e6bfb94a 2720 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2721 esac
2722 olditem=${item}
2723done
2724olditem=
1047cb91 2725test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2726for item in ${target_configdirs} ; do
2727 case ${olditem} in
2728 "") ;;
e6bfb94a 2729 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2730 esac
2731 olditem=${item}
2732done
a0da8069
NN		 2733serialization_dependencies=serdep.tmp
2734AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2735
e6bfb94a 2736# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2737# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2738# might not want to pass down to subconfigures. The exception being
2739# --cache-file=/dev/null, which is used to turn off the use of cache
2740# files altogether, and which should be passed on to subconfigures.
2741# Also strip program-prefix, program-suffix, and program-transform-name,
2742# so that we can pass down a consistent program-transform-name.
c6b750e1 2743baseargs=
65b4571a 2744tbaseargs=
c6b750e1
DJ		 2745keep_next=no
2746skip_next=no
2747eval "set -- $ac_configure_args"
b0aaa663
DJ		 2748for ac_arg
2749do
c6b750e1
DJ		 2750 if test X"$skip_next" = X"yes"; then
2751 skip_next=no
2752 continue
2753 fi
2754 if test X"$keep_next" = X"yes"; then
2755 case $ac_arg in
2756 *\'*)
2757 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2758 esac
2759 baseargs="$baseargs '$ac_arg'"
65b4571a 2760 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2761 keep_next=no
2762 continue
2763 fi
2764
2765 # Handle separated arguments. Based on the logic generated by
2766 # autoconf 2.59.
2767 case $ac_arg in
2768 *=* | --config-cache | -C | -disable-* | --disable-* \
2769 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2770 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2771 | -with-* | --with-* | -without-* | --without-* | --x)
2772 separate_arg=no
2773 ;;
2774 -*)
2775 separate_arg=yes
2776 ;;
2777 *)
2778 separate_arg=no
2779 ;;
2780 esac
2781
65b4571a
AO		 2782 skip_targ=no
2783 case $ac_arg in
2784changequote(,)
2785 --with-* | --without-*)
2786 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2787
2788 case $libopt in
2789 *[-_]include)
2790 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2791 ;;
2792 *[-_]lib)
2793 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2794 ;;
2795 *)
2796 lib=$libopt
2797 ;;
2798 esac
2799changequote([,])
2800
2801 case $lib in
7ec59b9e 2802 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2803 # If we're processing --with-$lib, --with-$lib-include or
2804 # --with-$lib-lib, for one of the libs above, and target is
2805 # different from host, don't pass the current argument to any
2806 # target library's configure.
2807 if test x$is_cross_compiler = xyes; then
2808 skip_targ=yes
2809 fi
2810 ;;
2811 esac
2812 ;;
2813 esac
2814
c6b750e1 2815 case "$ac_arg" in
30167e0a
NC		 2816 --cache-file=/dev/null | \
2817 -cache-file=/dev/null )
2818 # Handled here to avoid the test to skip args below.
2819 baseargs="$baseargs '$ac_arg'"
65b4571a 2820 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2821 # Assert: $separate_arg should always be no.
2822 keep_next=$separate_arg
2823 ;;
c6b750e1
DJ		 2824 --no*)
2825 continue
2826 ;;
2827 --c* | \
2828 --sr* | \
2829 --ho* | \
2830 --bu* | \
2831 --t* | \
2832 --program-* | \
2833 -cache_file* | \
2834 -srcdir* | \
2835 -host* | \
2836 -build* | \
2837 -target* | \
2838 -program-prefix* | \
2839 -program-suffix* | \
2840 -program-transform-name* )
2841 skip_next=$separate_arg
2842 continue
2843 ;;
2844 -*)
2845 # An option. Add it.
2846 case $ac_arg in
2847 *\'*)
2848 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2849 esac
2850 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2851 if test X"$skip_targ" = Xno; then
2852 tbaseargs="$tbaseargs '$ac_arg'"
2853 fi
c6b750e1
DJ		 2854 keep_next=$separate_arg
2855 ;;
2856 *)
2857 # Either a variable assignment, or a nonopt (triplet). Don't
2858 # pass it down; let the Makefile handle this.
2859 continue
2860 ;;
2861 esac
2862done
2863# Remove the initial space we just introduced and, as these will be
2864# expanded by make, quote '$'.
2865baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2866
f27d4f92
DJ		 2867# Add in --program-transform-name, after --program-prefix and
2868# --program-suffix have been applied to it. Autoconf has already
2869# doubled dollar signs and backslashes in program_transform_name; we want
2870# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2871# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2872# Also, because we want to override the logic in subdir configure scripts to
2873# choose program_transform_name, replace any s,x,x, with s,y,y,.
2874sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2875${program_transform_name}
2876EOF_SED
2877gcc_transform_name=`cat conftestsed.out`
2878rm -f conftestsed.out
2879baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2880tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2881if test "$silent" = yes; then
2882 baseargs="$baseargs --silent"
65b4571a 2883 tbaseargs="$tbaseargs --silent"
2444379b 2884fi
34a0f3cf 2885baseargs="$baseargs --disable-option-checking"
65b4571a 2886tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2887
4074d5f2
RW		 2888# Record and document user additions to sub configure arguments.
2889AC_ARG_VAR([build_configargs],
2890 [additional configure arguments for build directories])
2891AC_ARG_VAR([host_configargs],
2892 [additional configure arguments for host directories])
2893AC_ARG_VAR([target_configargs],
2894 [additional configure arguments for target directories])
2895
49b7683b
DD		 2896# For the build-side libraries, we just need to pretend we're native,
2897# and not use the same cache file. Multilibs are neither needed nor
2898# desired.
4074d5f2 2899build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2900
ae831be5
NN		 2901# For host modules, accept cache file option, or specification as blank.
2902case "${cache_file}" in
2903"") # empty
2904 cache_file_option="" ;;
a0da8069 2905/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2906 cache_file_option="--cache-file=${cache_file}" ;;
2907*) # relative path
2908 cache_file_option="--cache-file=../${cache_file}" ;;
2909esac
2910
82252c06
NN		 2911# Host dirs don't like to share a cache file either, horribly enough.
2912# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2913host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2914
65b4571a 2915target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2916
252b5132
RH		 2917# Passing a --with-cross-host argument lets the target libraries know
2918# whether they are being built with a cross-compiler or being built
2919# native. However, it would be better to use other mechanisms to make the
2920# sorts of decisions they want to make on this basis. Please consider
2921# this option to be deprecated. FIXME.
a0c4f3a0 2922if test x${is_cross_compiler} = xyes ; then
c6b750e1 2923 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2924fi
2925
afc0578d 2926# Special user-friendly check for native x86_64-linux build, if
2927# multilib is not explicitly enabled.
2928case "$target:$have_compiler:$host:$target:$enable_multilib" in
2929 x86_64-*linux*:yes:$build:$build:)
2930 # Make sure we have a developement environment that handles 32-bit
2931 dev64=no
2932 echo "int main () { return 0; }" > conftest.c
2933 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2934 if test $? = 0 ; then
2935 if test -s conftest || test -s conftest.exe ; then
2936 dev64=yes
2937 fi
2938 fi
2939 rm -f conftest*
2940 if test x${dev64} != xyes ; then
2941 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.])
2942 fi
2943 ;;
2944esac
2945
938d2b74
RW		 2946# Default to --enable-multilib.
2947if test x${enable_multilib} = x ; then
a0da8069 2948 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2949fi
252b5132
RH		 2950
2951# Pass --with-newlib if appropriate. Note that target_configdirs has
2952# changed from the earlier setting of with_newlib.
a0c4f3a0 2953if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2954 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2955fi
2956
95036d20
NN		 2957# Different target subdirs use different values of certain variables
2958# (notably CXX). Worse, multilibs use *lots* of different values.
2959# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2960# it doesn't automatically accept command-line overrides of them.
2961# This means it's not safe for target subdirs to share a cache file,
2962# which is disgusting, but there you have it. Hopefully this can be
2963# fixed in future. It's still worthwhile to use a cache file for each
2964# directory. I think.
2965
ae380b45
MS		 2966# Pass the appropriate --build, --host, --target and --cache-file arguments.
2967# We need to pass --target, as newer autoconf's requires consistency
2968# for target_alias and gcc doesn't manage it consistently.
4b900473 2969target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2970
9e449d3e 2971FLAGS_FOR_TARGET=
7c1f909c 2972case " $target_configdirs " in
75205f78 2973 *" newlib "*)
a0da8069 2974 case " $target_configargs " in
75205f78 2975 *" --with-newlib "*)
9e449d3e 2976 case "$target" in
1f53ca9a 2977 *-cygwin*)
6d94c122 2978 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
1f53ca9a 2979 ;;
9e449d3e
AO		 2980 esac
2981
7450026c 2982 # If we're not building GCC, don't discard standard headers.
4d5fd396 2983 if test -d ${srcdir}/gcc; then
63266560 2984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2985
2986 if test "${build}" != "${host}"; then
2987 # On Canadian crosses, CC_FOR_TARGET will have already been set
2988 # by `configure', so we won't have an opportunity to add -Bgcc/
2989 # to it. This is right: we don't want to search that directory
2990 # for binaries, but we want the header files in there, so add
2991 # them explicitly.
e552509b 2992 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2993
2994 # Someone might think of using the pre-installed headers on
2995 # Canadian crosses, in case the installed compiler is not fully
2996 # compatible with the compiler being built. In this case, it
2997 # would be better to flag an error than risking having
2998 # incompatible object files being constructed. We can't
2999 # guarantee that an error will be flagged, but let's hope the
3000 # compiler will do it, when presented with incompatible header
3001 # files.
3002 fi
63266560
DD		 3003 fi
3004
0a0d0041 3005 case "${target}-${is_cross_compiler}" in
ec11bdc6 3006 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3007 # Here host == target, so we don't need to build gcc,
3008 # so we don't want to discard standard headers.
3009 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3010 ;;
3011 *)
3012 # If we're building newlib, use its generic headers last, but search
3013 # for any libc-related directories first (so make it the last -B
3014 # switch).
3015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3016
3017 # If we're building libgloss, find the startup file, simulator library
3018 # and linker script.
3019 case " $target_configdirs " in
3020 *" libgloss "*)
3021 # Look for startup file, simulator library and maybe linker script.
3022 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3023 # Look for libnosys.a in case the target needs it.
3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3025 # Most targets have the linker script in the source directory.
3026 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3027 ;;
3028 esac
0a0d0041
TF		 3029 ;;
3030 esac
9e449d3e 3031 ;;
75205f78
DD		 3032 esac
3033 ;;
9e449d3e 3034esac
1f53ca9a 3035
45055374 3036case "$target" in
1f53ca9a
AO		 3037 x86_64-*mingw* | *-w64-mingw*)
3038 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3039 # however, use a symlink named 'mingw' in ${prefix} .
3040 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3041 ;;
3042 *-mingw*)
3043 # MinGW can't be handled as Cygwin above since it does not use newlib.
3044 FLAGS_FOR_TARGET=$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'
3045 ;;
45055374 3046esac
63266560 3047
5fbad20a
DD		 3048# Allow the user to override the flags for
3049# our build compiler if desired.
c66487f8
NC		 3050if test x"${build}" = x"${host}" ; then
3051 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3052 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3053 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3054fi
5fbad20a 3055
63266560
DD		 3056# On Canadian crosses, we'll be searching the right directories for
3057# the previously-installed cross compiler, so don't bother to add
3058# flags for directories within the install tree of the compiler
3059# being built; programs in there won't even run.
4d5fd396 3060if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3061 # Search for pre-installed headers if nothing else fits.
bba45b8b 3062 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3063fi
63266560 3064
7c1f909c 3065if test "x${use_gnu_ld}" = x &&
f48556b1 3066 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3067 # Arrange for us to find uninstalled linker scripts.
b00612cc 3068 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3069fi
3070
a481dbb7
DD		 3071# Search for other target-specific linker scripts and such.
3072case "${target}" in
4e206d7e
DB		 3073 mep*)
3074 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3075 ;;
3076esac
3077
a0da8069 3078# Makefile fragments.
3e707e94
PB		 3079for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3080do
3081 eval fragval=\$$frag
3082 if test $fragval != /dev/null; then
3083 eval $frag=${srcdir}/$fragval
3084 fi
3085done
a0da8069
NN		 3086AC_SUBST_FILE(host_makefile_frag)
3087AC_SUBST_FILE(target_makefile_frag)
3088AC_SUBST_FILE(alphaieee_frag)
3089AC_SUBST_FILE(ospace_frag)
3090
3091# Miscellanea: directories, flags, etc.
a0da8069 3092AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3093AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3094AC_SUBST(tooldir)
3095AC_SUBST(build_tooldir)
907be67c 3096AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3097AC_SUBST(GDB_TK)
907be67c 3098AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3099
3100# Build module lists & subconfigure args.
a0da8069 3101AC_SUBST(build_configargs)
6a9cf61e 3102AC_SUBST(build_configdirs)
a0da8069
NN		 3103
3104# Host module lists & subconfigure args.
3105AC_SUBST(host_configargs)
3106AC_SUBST(configdirs)
911e63d0 3107AC_SUBST(target_configdirs)
a0da8069
NN		 3108
3109# Target module lists & subconfigure args.
a0da8069 3110AC_SUBST(target_configargs)
a6df5a19 3111
a0da8069
NN		 3112
3113# Build tools.
b5714970
PB		 3114AC_SUBST(AR_FOR_BUILD)
3115AC_SUBST(AS_FOR_BUILD)
a0da8069 3116AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3117AC_SUBST(CFLAGS_FOR_BUILD)
3118AC_SUBST(CXXFLAGS_FOR_BUILD)
3119AC_SUBST(CXX_FOR_BUILD)
3120AC_SUBST(DLLTOOL_FOR_BUILD)
3121AC_SUBST(GCJ_FOR_BUILD)
3122AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3123AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3124AC_SUBST(LDFLAGS_FOR_BUILD)
3125AC_SUBST(LD_FOR_BUILD)
3126AC_SUBST(NM_FOR_BUILD)
3127AC_SUBST(RANLIB_FOR_BUILD)
3128AC_SUBST(WINDMC_FOR_BUILD)
3129AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3130
be01d343
PB		 3131# Generate default definitions for YACC, M4, LEX and other programs that run
3132# on the build machine. These are used if the Makefile can't locate these
3133# programs in objdir.
3134MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3135
3136AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3137case " $build_configdirs " in
3138 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 3139esac
3140
3141AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3142case " $build_configdirs " in
3143 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3144esac
3145
3146AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3147case " $build_configdirs " in
3148 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3149esac
3150
3151AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3152case " $build_configdirs " in
3153 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3154 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3155esac
3156
3157AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3158case " $build_configdirs " in
3159 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3160esac
3161
3162AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3163case " $build_configdirs " in
3164 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3165 *)
3166changequote(,)
10ad8ef3 3167 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3168 # higher, else we use the "missing" dummy.
3169 if ${MAKEINFO} --version \
10ad8ef3 3170 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3171 :
3172 else
3173 MAKEINFO="$MISSING makeinfo"
3174 fi
3175 ;;
3176changequote([,])
3177esac
3178
3179# FIXME: expect and dejagnu may become build tools?
3180
3181AC_CHECK_PROGS(EXPECT, expect, expect)
3182case " $configdirs " in
3183 *" expect "*)
3184 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3185 ;;
3186esac
3187
3188AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3189case " $configdirs " in
3190 *" dejagnu "*)
6b89cc21 3191 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3192 ;;
3193esac
3194
3195
a0da8069 3196# Host tools.
05cbd757
PB		 3197NCN_STRICT_CHECK_TOOLS(AR, ar)
3198NCN_STRICT_CHECK_TOOLS(AS, as)
3199NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3200NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3201NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3202NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3203NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3204NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3205NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3206NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3207NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3208NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3209NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3210AC_SUBST(CC)
3211AC_SUBST(CXX)
3212AC_SUBST(CFLAGS)
3213AC_SUBST(CXXFLAGS)
a0da8069 3214
be01d343 3215# Target tools.
7ec59b9e 3216AC_ARG_WITH([build-time-tools],
7837304f
AS		 3217 [AS_HELP_STRING([--with-build-time-tools=PATH],
3218 [use given path to find target tools during the build])],
2429c060
PB		 3219 [case x"$withval" in
3220 x/*) ;;
3221 *)
3222 with_build_time_tools=
3223 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3224 ;;
3225 esac],
3226 [with_build_time_tools=])
3227
05cbd757
PB		 3228NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3229NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3230NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3231NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3232NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3233NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3234
3235ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3236ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3237ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3238ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3239ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3240ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
6b91c541 3241ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
2429c060 3242ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3243ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3244ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3245ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3246ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3247ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3248
be01d343
PB		 3249RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3250
3251GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3252GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3253GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3254dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3255GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
95e43135 3256 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3257 c++)
3258GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
95e43135 3259 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
be01d343
PB		 3260 c++)
3261GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3262GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3263GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3264 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3265GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3266 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3267GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3268 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3269GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3270GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3271GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
6b91c541 3272GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJDUMP, [binutils/objcopy])
be01d343
PB		 3273GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3274GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3275GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3276GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3277GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3278GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3279
be01d343 3280AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3281AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3282
a0da8069
NN		 3283# Certain tools may need extra flags.
3284AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3285RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3286NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3287
be01d343
PB		 3288# When building target libraries, except in a Canadian cross, we use
3289# the same toolchain as the compiler we just built.
3290COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3291COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3292COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3293if test $host = $build; then
3294 case " $configdirs " in
3295 *" gcc "*)
3296 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3297 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3298 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3299 ;;
3300 esac
3301fi
3302
3303AC_SUBST(COMPILER_AS_FOR_TARGET)
3304AC_SUBST(COMPILER_LD_FOR_TARGET)
3305AC_SUBST(COMPILER_NM_FOR_TARGET)
3306
6b784d9f
AO		 3307AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3308AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3309[AS_HELP_STRING([--enable-maintainer-mode],
3310 [enable make rules and dependencies not useful
3311 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3312 USE_MAINTAINER_MODE=$enableval,
3313 USE_MAINTAINER_MODE=no)
3314AC_MSG_RESULT($USE_MAINTAINER_MODE)
3315AC_SUBST(MAINTAINER_MODE_TRUE)
3316AC_SUBST(MAINTAINER_MODE_FALSE)
3317if test "$USE_MAINTAINER_MODE" = yes; then
3318 MAINTAINER_MODE_TRUE=
3319 MAINTAINER_MODE_FALSE='#'
3320else
3321 MAINTAINER_MODE_TRUE='#'
3322 MAINTAINER_MODE_FALSE=
7ec59b9e 3323fi
6b784d9f
AO		 3324MAINT=$MAINTAINER_MODE_TRUE
3325AC_SUBST(MAINT)dnl
3326
1d39f329
NN		 3327# ---------------------
3328# GCC bootstrap support
3329# ---------------------
3330
3331# Stage specific cflags for build.
3332stage1_cflags="-g"
3333case $build in
3334 vax-*-*)
3335 case ${GCC} in
3336 yes) stage1_cflags="-g -Wa,-J" ;;
3337 *) stage1_cflags="-g -J" ;;
3338 esac ;;
1d39f329 3339esac
1d89b610 3340
1d39f329
NN		 3341AC_SUBST(stage1_cflags)
3342
8a0d8a5c
PB		 3343# Enable --enable-checking in stage1 of the compiler.
3344AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3345[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3346 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3347[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3348[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3349 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3350else
5566c1fa 3351 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3352fi])
3353AC_SUBST(stage1_checking)
3354
1d39f329 3355# Enable -Werror in bootstrap stage2 and later.
1d39f329 3356AC_ARG_ENABLE(werror,
7837304f
AS		 3357[AS_HELP_STRING([--enable-werror],
3358 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3359[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3360 enable_werror=yes
3361else
3362 enable_werror=no
3363fi])
1a6f2dc7
NN		 3364case ${enable_werror} in
3365 yes) stage2_werror_flag="--enable-werror-always" ;;
3366 *) stage2_werror_flag="" ;;
1d39f329 3367esac
1a6f2dc7 3368AC_SUBST(stage2_werror_flag)
1d39f329 3369
82033c9b
JBG		 3370# Enable --enable-host-shared.
3371AC_ARG_ENABLE(host-shared,
3372[AS_HELP_STRING([--enable-host-shared],
3373 [build host code as shared libraries])],
3374[host_shared=$enableval], [host_shared=no])
3375AC_SUBST(host_shared)
3376
e8a5fa9c
RW		 3377# Specify what files to not compare during bootstrap.
3378
3379compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3380case "$target" in
3381 hppa*64*-*-hpux*) ;;
3382 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3383 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3384esac
3385AC_SUBST(compare_exclusions)
3386
06a51eac
RW		 3387AC_CONFIG_FILES([Makefile],
3388 [sed "$extrasub_build" Makefile |
3389 sed "$extrasub_host" |
3390 sed "$extrasub_target" > mf$$
3391 mv -f mf$$ Makefile],
3392 [extrasub_build="$extrasub_build"
3393 extrasub_host="$extrasub_host"
3394 extrasub_target="$extrasub_target"])
3395AC_OUTPUT
GDB Binutils - Deliverables
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