merge from gcc
[deliverable/binutils-gdb.git] / configure.ac
CommitLineData
92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
7837304f 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
ba98da75 3# Free Software Foundation, Inc.
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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
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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
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16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
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18
19##############################################################################
a0da8069
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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)
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26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
e552509b 31m4_include([config/cloog.m4])
656fdd47 32
a0da8069 33AC_INIT(move-if-change)
d444d2ba 34AC_PREREQ(2.64)
34a0f3cf 35AC_DISABLE_OPTION_CHECKING
c6b750e1 36
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37progname=$0
38# if PWD already has a value, it is probably wrong.
39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40
41# Export original configure arguments for use by sub-configures.
42# Quote arguments with shell meta charatcers.
43TOPLEVEL_CONFIGURE_ARGUMENTS=
44set -- "$progname" "$@"
45for ac_arg
46do
47 case "$ac_arg" in
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
52 *) ;;
53 esac
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56done
57if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59fi
60# Remove the initial space we just introduced and, as these will be
61# expanded by make, quote '$'.
62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64
c6b750e1
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65# Find the build, host, and target systems.
66ACX_NONCANONICAL_BUILD
67ACX_NONCANONICAL_HOST
68ACX_NONCANONICAL_TARGET
69
70dnl Autoconf 2.5x and later will set a default program prefix if
71dnl --target was used, even if it was the same as --host. Disable
72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73dnl to take effect.
74test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
76 NONENONEs,x,x, &&
77 program_transform_name=s,y,y,
78
a0da8069
NN
79AC_CANONICAL_SYSTEM
80AC_ARG_PROGRAM
81
c6b750e1 82m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 83m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 84
e5c3f801
NN
85# Get 'install' or 'install-sh' and its variants.
86AC_PROG_INSTALL
656fdd47 87ACX_PROG_LN
dfdffa2c 88AC_PROG_LN_S
8e957354
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89AC_PROG_SED
90AC_PROG_AWK
e5c3f801 91
0fdbe983
DJ
92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93
94# We pass INSTALL explicitly to sub-makes. Make sure that it is not
95# a relative path.
96if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
98fi
99
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100# Set srcdir to "." if that's what it is.
101# This is important for multilib support.
102pwd=`${PWDCMD-pwd}`
a0da8069
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103if test "${pwd}" = "${srcpwd}" ; then
104 srcdir=.
105fi
106
107topsrcdir=$srcpwd
252b5132 108
ae831be5 109extra_host_args=
afefada0 110
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111### To add a new directory to the tree, first choose whether it is a target
112### or a host dependent tool. Then put it into the appropriate list
a2cc058a 113### (library or tools, host or target), doing a dependency sort.
252b5132 114
a2cc058a
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115# Subdirs will be configured in the order listed in build_configdirs,
116# configdirs, or target_configdirs; see the serialization section below.
117
118# Dependency sorting is only needed when *configuration* must be done in
119# a particular order. In all cases a dependency should be specified in
120# the Makefile, whether or not it's implicitly specified here.
121
122# Double entries in build_configdirs, configdirs, or target_configdirs may
123# cause circular dependencies and break everything horribly.
252b5132 124
6a9cf61e
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125# these library is used by various programs built for the build
126# environment
127#
128build_libs="build-libiberty"
129
130# these tools are built for the build environment
a90ef4bf 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 132
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133# these libraries are used by various programs built for the host environment
134#
a90ef4bf 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
252b5132 136
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137# these tools are built for the host environment
138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139# know that we are building the simulator.
2af579c4
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140# binutils, gas and ld appear in that order because it makes sense to run
141# "make check" in that particular order.
e6de499b 142# If --enable-gold is used, "gold" may replace "ld".
a90ef4bf 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
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144
145# libgcj represents the runtime libraries only used by gcj.
146libgcj="target-libffi \
75205f78 147 target-zlib \
75205f78 148 target-libjava"
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149
150# these libraries are built for the target environment, and are built after
151# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 152# Note that libiberty is not a target library.
b1299c4e 153target_libraries="target-libgcc \
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154 target-libgloss \
155 target-newlib \
cff87f51 156 target-libgomp \
b9459e83 157 target-libstdc++-v3 \
4b1cb4fe 158 target-libmudflap \
bb780410 159 target-libssp \
e552509b 160 target-libquadmath \
4b1cb4fe 161 target-libgfortran \
4f0ef2d8 162 target-boehm-gc \
83326456 163 ${libgcj} \
a2592b1b 164 target-libobjc \
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165 target-libada \
166 target-libgo"
252b5132 167
9c14acb8
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168# these tools are built using the target libraries, and are intended to
169# run only in the target environment
252b5132 170#
9c14acb8 171# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 172# list belongs in this list.
252b5132 173#
a90ef4bf 174target_tools="target-rda"
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175
176################################################################################
177
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178## All tools belong in one of the four categories, and are assigned above
179## We assign ${configdirs} this way to remove all embedded newlines. This
180## is important because configure will choke if they ever get through.
181## ${configdirs} is directories we build using the host tools.
182## ${target_configdirs} is directories we build using the target tools.
252b5132 183configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 184target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 185build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 186
9cc8ae67 187m4_divert_text([PARSE_ARGS],
6d0cd39e
AM
188[case $srcdir in
189 *" "*)
190m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
191 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
192m4_popdef([AS_MESSAGE_LOG_FD])dnl
193 ;;
194esac
195ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
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196])
197
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198################################################################################
199
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200srcname="gnu development package"
201
202# This gets set non-empty for some net releases of packages.
203appdirs=""
204
c712250a
DD
205# Define is_cross_compiler to save on calls to 'test'.
206is_cross_compiler=
207if test x"${host}" = x"${target}" ; then
208 is_cross_compiler=no
209else
210 is_cross_compiler=yes
211fi
212
9175bfc0 213# Find the build and target subdir names.
dd12c3a8 214GCC_TOPLEV_SUBDIRS
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215# Be sure to cover against remnants of an in-tree build.
216if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
218Use a pristine source tree when building in a separate tree])
219fi
252b5132 220
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221# Skipdirs are removed silently.
222skipdirs=
223# Noconfigdirs are removed loudly.
224noconfigdirs=""
252b5132 225
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226use_gnu_ld=
227# Make sure we don't let GNU ld be added if we didn't want it.
228if test x$with_gnu_ld = xno ; then
229 use_gnu_ld=no
93f9b408 230 noconfigdirs="$noconfigdirs ld gold"
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231fi
232
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233use_gnu_as=
234# Make sure we don't let GNU as be added if we didn't want it.
235if test x$with_gnu_as = xno ; then
236 use_gnu_as=no
237 noconfigdirs="$noconfigdirs gas"
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238fi
239
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240use_included_zlib=
241# Make sure we don't let ZLIB be added if we didn't want it.
242if test x$with_system_zlib = xyes ; then
243 use_included_zlib=no
244 noconfigdirs="$noconfigdirs zlib"
245fi
246
f48556b1
DD
247# some tools are so dependent upon X11 that if we're not building with X,
248# it's not even worth trying to configure, much less build, that tool.
252b5132 249
f48556b1
DD
250case ${with_x} in
251 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 252 no)
675c6968 253 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD
254 # We won't be able to build gdbtk without X.
255 enable_gdbtk=no
256 ;;
f48556b1
DD
257 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
258esac
252b5132 259
0377a422 260# Some are only suitable for cross toolchains.
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261# Remove these if host=target.
262cross_only="target-libgloss target-newlib target-opcodes"
252b5132 263
f48556b1
DD
264case $is_cross_compiler in
265 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 266esac
252b5132 267
a32d391c
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268# If both --with-headers and --with-libs are specified, default to
269# --without-newlib.
32be62b5
RS
270if test x"${with_headers}" != x && test x"${with_headers}" != xno \
271 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD
272 if test x"${with_newlib}" = x ; then
273 with_newlib=no
274 fi
275fi
276
277# Recognize --with-newlib/--without-newlib.
278case ${with_newlib} in
279 no) skipdirs="${skipdirs} target-newlib" ;;
280 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
281esac
282
c7791212
NC
283# Handle --enable-gold, --enable-ld.
284# --disable-gold [--enable-ld]
285# Build only ld. Default option.
d3b50760
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286# --enable-gold [--enable-ld]
287# Build both gold and ld. Install gold as "ld.gold", install ld
288# as "ld.bfd" and "ld".
289# --enable-gold=default [--enable-ld]
c7791212
NC
290# Build both gold and ld. Install gold as "ld.gold" and "ld",
291# install ld as "ld.bfd".
292# --enable-gold[=default] --disable-ld
293# Build only gold, which is then installed as both "ld.gold" and "ld".
294# --enable-gold --enable-ld=default
d3b50760
L
295# Build both gold (installed as "ld.gold") and ld (installed as "ld"
296# and ld.bfd).
c7791212
NC
297# In other words, ld is default
298# --enable-gold=default --enable-ld=default
299# Error.
300
301default_ld=
93f9b408 302AC_ARG_ENABLE(gold,
7837304f
AS
303[AS_HELP_STRING([[--enable-gold[=ARG]]],
304 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT
305ENABLE_GOLD=$enableval,
306ENABLE_GOLD=no)
c7791212
NC
307case "${ENABLE_GOLD}" in
308 yes|default)
e6de499b
NC
309 # Check for ELF target.
310 is_elf=no
311 case "${target}" in
312 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
313 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27
NC
314 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
315 | *-*-solaris2* | *-*-nto*)
e6de499b
NC
316 case "${target}" in
317 *-*-linux*aout* | *-*-linux*oldld*)
318 ;;
319 *)
320 is_elf=yes
321 ;;
322 esac
323 esac
324
325 if test "$is_elf" = "yes"; then
326 # Check for target supported by gold.
93f9b408 327 case "${target}" in
e6de499b 328 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
c7791212
NC
329 configdirs="$configdirs gold"
330 if test x${ENABLE_GOLD} = xdefault; then
331 default_ld=gold
332 fi
e6de499b 333 ENABLE_GOLD=yes
93f9b408
ILT
334 ;;
335 esac
e6de499b
NC
336 fi
337 ;;
338 no)
339 ;;
340 *)
341 AC_MSG_ERROR([invalid --enable-gold argument])
342 ;;
c7791212
NC
343esac
344
345AC_ARG_ENABLE(ld,
7837304f
AS
346[AS_HELP_STRING([[--enable-ld[=ARG]]],
347 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC
348ENABLE_LD=$enableval,
349ENABLE_LD=yes)
350
351case "${ENABLE_LD}" in
352 default)
d3b50760 353 if test x${default_ld} != x; then
c7791212
NC
354 AC_MSG_ERROR([either gold or ld can be the default ld])
355 fi
356 ;;
357 yes)
358 ;;
359 no)
360 if test x${ENABLE_GOLD} != xyes; then
361 AC_MSG_WARN([neither ld nor gold are enabled])
362 fi
363 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
364 ;;
365 *)
366 AC_MSG_ERROR([invalid --enable-ld argument])
367 ;;
368esac
93f9b408 369
252b5132
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370# Configure extra directories which are host specific
371
372case "${host}" in
f48556b1 373 *-cygwin*)
3866be5d 374 configdirs="$configdirs libtermcap" ;;
252b5132
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375esac
376
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377# A target can indicate whether a language isn't supported for some reason.
378# Only spaces may be used in this macro; not newlines or tabs.
379unsupported_languages=
380
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381# Remove more programs from consideration, based on the host or
382# target this usually means that a port of the program doesn't
383# exist yet.
384
252b5132 385case "${host}" in
3516a403 386 i[[3456789]]86-*-msdosdjgpp*)
6a608608 387 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 388 ;;
252b5132
RH
389esac
390
4b1cb4fe 391
89a1e9c3
PB
392AC_ARG_ENABLE(libquadmath,
393AS_HELP_STRING([--disable-libquadmath],
394 [do not build libquadmath directory]),
395ENABLE_LIBQUADMATH=$enableval,
396ENABLE_LIBQUADMATH=yes)
397if test "${ENABLE_LIBQUADMATH}" = "no" ; then
398 noconfigdirs="$noconfigdirs target-libquadmath"
399fi
400
401
402AC_ARG_ENABLE(libquadmath-support,
403AS_HELP_STRING([--disable-libquadmath-support],
404 [disable libquadmath support for Fortran]),
405ENABLE_LIBQUADMATH_SUPPORT=$enableval,
406ENABLE_LIBQUADMATH_SUPPORT=yes)
407enable_libquadmath_support=
408if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
409 enable_libquadmath_support=no
410fi
411
412
a2592b1b 413AC_ARG_ENABLE(libada,
7837304f 414[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD
415ENABLE_LIBADA=$enableval,
416ENABLE_LIBADA=yes)
417if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 418 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD
419fi
420
5f128533 421AC_ARG_ENABLE(libssp,
7837304f 422[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
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423ENABLE_LIBSSP=$enableval,
424ENABLE_LIBSSP=yes)
5f128533 425
96111c10
AO
426# Save it here so that, even in case of --enable-libgcj, if the Java
427# front-end isn't enabled, we still get libgcj disabled.
428libgcj_saved=$libgcj
429case $enable_libgcj in
430yes)
431 # If we reset it here, it won't get added to noconfigdirs in the
432 # target-specific build rules, so it will be forcibly enabled
433 # (unless the Java language itself isn't enabled).
434 libgcj=
435 ;;
436no)
437 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT
438 # Don't disable libffi, though, other languages use it.
439 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT
440 # Clear libgcj_saved so that even if java is enabled libffi won't be
441 # built.
442 libgcj_saved=
96111c10
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443 ;;
444esac
445
ffdd6afc
ILT
446AC_ARG_ENABLE(static-libjava,
447[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
448 [build static libjava @<:@default=no@:>@])],
449ENABLE_STATIC_LIBJAVA=$enableval,
450ENABLE_STATIC_LIBJAVA=no)
451enable_static_libjava=
452if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
453 enable_static_libjava=yes
454fi
455
456if test x$enable_static_libjava != xyes ; then
457 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
458fi
459AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 460
a6df5a19
PB
461# Disable libmudflap on some systems.
462if test x$enable_libmudflap = x ; then
3e707e94 463 case "${target}" in
29383458 464 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 465 # Enable libmudflap by default in GNU and friends.
3e707e94
PB
466 ;;
467 *-*-freebsd*)
468 # Enable libmudflap by default in FreeBSD.
469 ;;
470 *)
471 # Disable it by default everywhere else.
472 noconfigdirs="$noconfigdirs target-libmudflap"
473 ;;
474 esac
a6df5a19 475fi
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 ;;
1f111696 485 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
b3ded179
PB
486 ;;
487 *-*-darwin* | *-*-aix*)
488 ;;
489 *)
490 noconfigdirs="$noconfigdirs target-libgomp"
491 ;;
492 esac
a6df5a19 493fi
b3ded179 494
065a5627
JM
495# Disable libssp for some systems.
496case "${target}" in
497 avr-*-*)
c5f5c3c2 498 # No hosted I/O support.
065a5627
JM
499 noconfigdirs="$noconfigdirs target-libssp"
500 ;;
501 powerpc-*-aix* | rs6000-*-aix*)
502 noconfigdirs="$noconfigdirs target-libssp"
503 ;;
99c513f6
DD
504 rl78-*-*)
505 # Dereferencing -1 is a compile-time error
506 noconfigdirs="$noconfigdirs target-libssp"
507 ;;
065a5627
JM
508esac
509
065a5627
JM
510# Disable libstdc++-v3 for some systems.
511case "${target}" in
512 *-*-vxworks*)
513 # VxWorks uses the Dinkumware C++ library.
514 noconfigdirs="$noconfigdirs target-libstdc++-v3"
515 ;;
516 arm*-wince-pe*)
517 # the C++ libraries don't build on top of CE's C libraries
518 noconfigdirs="$noconfigdirs target-libstdc++-v3"
519 ;;
520 avr-*-*)
521 noconfigdirs="$noconfigdirs target-libstdc++-v3"
522 ;;
523esac
524
525# Disable Fortran for some systems.
526case "${target}" in
527 mmix-*-*)
528 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
529 unsupported_languages="$unsupported_languages fortran"
530 ;;
531esac
532
0827f9a6 533# Disable Java if libffi is not supported.
9863d716 534case "${target}" in
0827f9a6
JM
535 alpha*-*-*)
536 ;;
537 arm*-*-*)
538 ;;
539 cris-*-*)
540 ;;
541 frv-*-*)
542 ;;
543 hppa*-*-linux*)
544 ;;
545 hppa*-*-hpux*)
546 ;;
547 i?86-*-*)
548 ;;
549 ia64*-*-*)
550 ;;
551 m32r*-*-*)
552 ;;
553 m68k-*-*)
554 ;;
555 mips-sgi-irix6.* | mips*-*-rtems*)
556 ;;
557 mips*-*-linux*)
558 ;;
559 powerpc*-*-linux*)
560 ;;
561 powerpc-*-darwin*)
562 ;;
563 powerpc-*-aix* | rs6000-*-aix*)
564 ;;
565 powerpc-*-freebsd*)
566 ;;
567 powerpc64-*-freebsd*)
568 ;;
569 powerpc*-*-rtems*)
9863d716 570 ;;
0827f9a6
JM
571 s390-*-* | s390x-*-*)
572 ;;
573 sh-*-* | sh[[34]]*-*-*)
574 ;;
575 sh64-*-* | sh5*-*-*)
576 ;;
577 sparc*-*-*)
578 ;;
579 x86_64-*-*)
580 ;;
581 *-*-*)
582 unsupported_languages="$unsupported_languages java"
583 ;;
584esac
585
586# Disable Java, libgcj or related libraries for some systems.
587case "${target}" in
9863d716
JM
588 powerpc-*-darwin*)
589 ;;
590 i[[3456789]]86-*-darwin*)
591 ;;
592 x86_64-*-darwin[[912]]*)
593 ;;
594 *-*-darwin*)
595 noconfigdirs="$noconfigdirs ${libgcj}"
596 ;;
9863d716
JM
597 *-*-netware*)
598 noconfigdirs="$noconfigdirs ${libgcj}"
599 ;;
600 *-*-rtems*)
601 noconfigdirs="$noconfigdirs ${libgcj}"
602 ;;
603 *-*-tpf*)
604 noconfigdirs="$noconfigdirs ${libgcj}"
605 ;;
606 *-*-uclinux*)
607 noconfigdirs="$noconfigdirs ${libgcj}"
608 ;;
609 *-*-vxworks*)
610 noconfigdirs="$noconfigdirs ${libgcj}"
611 ;;
9863d716
JM
612 alpha*-*-*vms*)
613 noconfigdirs="$noconfigdirs ${libgcj}"
614 ;;
0827f9a6 615 arm-wince-pe)
9863d716
JM
616 noconfigdirs="$noconfigdirs ${libgcj}"
617 ;;
9863d716
JM
618 arm*-*-symbianelf*)
619 noconfigdirs="$noconfigdirs ${libgcj}"
620 ;;
9863d716 621 bfin-*-*)
9863d716
JM
622 noconfigdirs="$noconfigdirs target-boehm-gc"
623 ;;
9863d716
JM
624 cris-*-* | crisv32-*-*)
625 unsupported_languages="$unsupported_languages java"
626 case "${target}" in
627 *-*-linux*)
628 ;;
629 *) # See PR46792 regarding target-libffi.
630 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
631 esac
632 ;;
9863d716
JM
633 hppa*64*-*-linux*)
634 # In this case, it's because the hppa64-linux target is for
635 # the kernel only at this point and has no libc, and thus no
636 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 637 unsupported_languages="$unsupported_languages java"
9863d716 638 ;;
82ae827f 639 hppa*64*-*-hpux*)
9863d716
JM
640 noconfigdirs="$noconfigdirs ${libgcj}"
641 ;;
642 hppa*-hp-hpux11*)
643 ;;
82ae827f 644 hppa*-*-hpux*)
9863d716
JM
645 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
646 # build on HP-UX 10.20.
647 noconfigdirs="$noconfigdirs ${libgcj}"
648 ;;
9863d716
JM
649 ia64*-*-*vms*)
650 noconfigdirs="$noconfigdirs ${libgcj}"
651 ;;
9863d716
JM
652 i[[3456789]]86-w64-mingw*)
653 noconfigdirs="$noconfigdirs ${libgcj}"
654 ;;
655 i[[3456789]]86-*-mingw*)
656 noconfigdirs="$noconfigdirs ${libgcj}"
657 ;;
658 x86_64-*-mingw*)
659 noconfigdirs="$noconfigdirs ${libgcj}"
660 ;;
9863d716
JM
661 mmix-*-*)
662 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM
663 ;;
664 powerpc-*-aix*)
665 # copied from rs6000-*-* entry
666 noconfigdirs="$noconfigdirs ${libgcj}"
667 ;;
9863d716
JM
668 rs6000-*-aix*)
669 noconfigdirs="$noconfigdirs ${libgcj}"
670 ;;
9863d716
JM
671 mips*-*-irix6*)
672 # Linking libjava exceeds command-line length limits on at least
673 # IRIX 6.2, but not on IRIX 6.5.
674 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
675 # <oldham@codesourcery.com>
676 noconfigdirs="$noconfigdirs ${libgcj}"
677 ;;
9863d716
JM
678 *-*-lynxos*)
679 noconfigdirs="$noconfigdirs ${libgcj}"
680 ;;
9863d716
JM
681esac
682
691bb5a1
DD
683# Default libgloss CPU subdirectory.
684libgloss_dir="$target_cpu"
4b1cb4fe 685
ff46fb8f
JM
686case "${target}" in
687 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
688 libgloss_dir=wince
689 ;;
690 arm*-*-*)
691 libgloss_dir=arm
692 ;;
693 cris-*-* | crisv32-*-*)
694 libgloss_dir=cris
695 ;;
696 hppa*-*-*)
697 libgloss_dir=pa
698 ;;
699 i[[3456789]]86-*-*)
700 libgloss_dir=i386
701 ;;
702 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
703 libgloss_dir=m68hc11
704 ;;
705 m68*-*-* | fido-*-*)
706 libgloss_dir=m68k
707 ;;
708 mips*-*-*)
709 libgloss_dir=mips
710 ;;
711 powerpc*-*-*)
712 libgloss_dir=rs6000
713 ;;
714 sparc*-*-*)
715 libgloss_dir=sparc
716 ;;
717esac
718
c7e4b184 719# Disable newlib and libgloss for various target OSes.
252b5132 720case "${target}" in
c7e4b184
JM
721 alpha*-dec-osf*)
722 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
723 ;;
724 i[[3456789]]86-*-linux*)
725 # This section makes it possible to build newlib natively on linux.
726 # If we are using a cross compiler then don't configure newlib.
727 if test x${is_cross_compiler} != xno ; then
728 noconfigdirs="$noconfigdirs target-newlib"
729 fi
730 noconfigdirs="$noconfigdirs target-libgloss"
731 # If we are not using a cross compiler, do configure newlib.
732 # Note however, that newlib will only be configured in this situation
733 # if the --with-newlib option has been given, because otherwise
734 # 'target-newlib' will appear in skipdirs.
735 ;;
736 i[[3456789]]86-*-rdos*)
737 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
738 ;;
739 sh*-*-pe|mips*-*-pe|arm-wince-pe)
740 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
741 ;;
742 sparc-*-sunos4*)
743 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
744 ;;
745 *-*-aix*)
746 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
747 ;;
748 *-*-beos*)
749 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
750 ;;
75205f78 751 *-*-chorusos)
b2f14e4a 752 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 753 ;;
c7e4b184
JM
754 *-*-dragonfly*)
755 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
756 ;;
757 *-*-freebsd*)
758 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
759 ;;
760 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
761 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
762 ;;
763 *-*-lynxos*)
764 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
765 ;;
766 *-*-mingw*)
767 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
768 ;;
769 *-*-netbsd*)
770 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
771 ;;
772 *-*-netware*)
773 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 ;;
775 *-*-tpf*)
776 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
777 ;;
778 *-*-uclinux*)
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
780 ;;
781 *-*-vxworks*)
782 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
783 ;;
784esac
785
786case "${target}" in
787 *-*-chorusos)
788 ;;
24741ab2 789 powerpc-*-darwin*)
9d39db92 790 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 791 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 792 ;;
85bd1942
TG
793 i[[3456789]]86-*-darwin*)
794 noconfigdirs="$noconfigdirs ld gprof"
795 noconfigdirs="$noconfigdirs sim target-rda"
796 ;;
e8a5fa9c 797 x86_64-*-darwin[[912]]*)
652dec25
TG
798 noconfigdirs="$noconfigdirs ld gas gprof"
799 noconfigdirs="$noconfigdirs sim target-rda"
800 ;;
04d1ab34 801 *-*-darwin*)
d320aacb 802 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 803 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 804 ;;
5b806d27 805 *-*-dragonfly*)
5b806d27 806 ;;
de0b4a87 807 *-*-freebsd*)
4b1cb4fe
DD
808 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
809 && test -f /usr/local/include/gmp.h; then
810 with_gmp=/usr/local
811 fi
4b1cb4fe 812 ;;
f8a495c8
NC
813 *-*-kaos*)
814 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC
815 noconfigdirs="$noconfigdirs target-libgloss"
816 ;;
e82380cc 817 *-*-netbsd*)
e82380cc 818 ;;
2a3124ca 819 *-*-netware*)
252b5132
RH
820 ;;
821 *-*-rtems*)
9863d716 822 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 823 ;;
1587117a
EC
824 # The tpf target doesn't support gdb yet.
825 *-*-tpf*)
c7e4b184 826 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 827 ;;
c1968181 828 *-*-uclinux*)
c7e4b184 829 noconfigdirs="$noconfigdirs target-rda"
c1968181 830 ;;
252b5132 831 *-*-vxworks*)
252b5132
RH
832 ;;
833 alpha*-dec-osf*)
e99daf2b 834 # ld works, but does not support shared libraries.
252b5132 835 # gas doesn't generate exception information.
c7e4b184 836 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH
837 ;;
838 alpha*-*-*vms*)
9863d716 839 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 840 ;;
252b5132
RH
841 alpha*-*-*)
842 # newlib is not 64 bit ready
9863d716 843 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 844 ;;
2fb651f6 845 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 846 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 847 ;;
252b5132 848 arc-*-*)
782cb41f 849 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH
850 ;;
851 arm-*-pe*)
9863d716 852 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 853 ;;
252b5132 854 arm-*-riscix*)
b2f14e4a 855 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 856 ;;
ff72e302 857 c4x-*-* | tic4x-*-*)
b2f14e4a 858 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 859 ;;
b2f14e4a
JM
860 tic54x-*-*)
861 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 862 ;;
52310858 863 cr16-*-*)
9863d716 864 noconfigdirs="$noconfigdirs gdb"
52310858 865 ;;
252b5132 866 d10v-*-*)
b2f14e4a 867 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 868 ;;
252b5132 869 d30v-*-*)
b2f14e4a 870 noconfigdirs="$noconfigdirs gdb"
252b5132 871 ;;
252b5132 872 fr30-*-elf*)
9863d716 873 noconfigdirs="$noconfigdirs gdb"
252b5132 874 ;;
20135e4c 875 moxie-*-*)
20135e4c
NC
876 noconfigdirs="$noconfigdirs gprof"
877 ;;
dd1e52a4 878 h8300*-*-*)
9863d716 879 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 880 ;;
252b5132 881 h8500-*-*)
b2f14e4a 882 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 883 ;;
caeba88f 884 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 885 ;;
93cc359e 886 hppa*64*-*-linux*)
252b5132 887 ;;
f0ff0f90 888 hppa*-*-linux*)
5dcac624 889 ;;
252b5132 890 hppa*-*-*elf* | \
09e90eb4 891 hppa*-*-lites* | \
17240c1f 892 hppa*-*-openbsd* | \
09e90eb4 893 hppa*64*-*-*)
4f0ef2d8
CD
894 ;;
895 hppa*-hp-hpux11*)
0377a422 896 noconfigdirs="$noconfigdirs ld"
252b5132 897 ;;
691bb5a1 898 hppa*-*-pro*)
691bb5a1 899 ;;
252b5132 900 hppa*-*-*)
9863d716 901 noconfigdirs="$noconfigdirs ld"
252b5132 902 ;;
b07c2aad 903 i960-*-*)
b2f14e4a 904 noconfigdirs="$noconfigdirs gdb"
b07c2aad 905 ;;
2315914d
JW
906 ia64*-*-elf*)
907 # No gdb support yet.
0377a422 908 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 909 ;;
a0c1c920 910 ia64*-**-hpux*)
92c9a463 911 # No ld support yet.
9863d716 912 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 913 ;;
19e99079
NC
914 ia64*-*-*vms*)
915 # No gdb or ld support yet.
9863d716 916 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
19e99079 917 ;;
1f53ca9a 918 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO
919 ;;
920 i[[3456789]]86-*-mingw*)
45055374 921 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 922 ;;
252b5132
RH
923 *-*-cygwin*)
924 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 925 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 926 # always build newlib if winsup directory is present.
45055374 927 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 928 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 929 elif test -d "$srcdir/newlib"; then
45055374 930 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 931 fi
1f53ca9a 932 ;;
ec11bdc6 933 i[[3456789]]86-*-pe)
782cb41f 934 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 935 ;;
ec11bdc6 936 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH
937 # The linker does not yet know about weak symbols in COFF,
938 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 939 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 940 ;;
ec11bdc6 941 i[[3456789]]86-*-sco*)
b2f14e4a 942 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 943 ;;
cff32a7c 944 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH
945 noconfigdirs="$noconfigdirs target-libgloss"
946 ;;
ec11bdc6 947 i[[3456789]]86-*-sysv4*)
b2f14e4a 948 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 949 ;;
ec11bdc6 950 i[[3456789]]86-*-beos*)
c7e4b184 951 noconfigdirs="$noconfigdirs gdb"
bba45b8b 952 ;;
b59bea8a 953 i[[3456789]]86-*-rdos*)
c7e4b184 954 noconfigdirs="$noconfigdirs gdb"
691bb5a1 955 ;;
75205f78 956 mmix-*-*)
9863d716 957 noconfigdirs="$noconfigdirs gdb"
75205f78 958 ;;
4970f871 959 mt-*-*)
cdb9b172
AH
960 noconfigdirs="$noconfigdirs sim"
961 ;;
252b5132
RH
962 powerpc-*-aix*)
963 # copied from rs6000-*-* entry
c7e4b184 964 noconfigdirs="$noconfigdirs gprof"
252b5132 965 ;;
93cc359e 966 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 967 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 968 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH
969 # always build newlib.
970 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
971 ;;
972 # This is temporary until we can link against shared libraries
973 powerpcle-*-solaris*)
b2f14e4a 974 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM
975 ;;
976 powerpc-*-beos*)
c7e4b184 977 noconfigdirs="$noconfigdirs gdb"
252b5132
RH
978 ;;
979 rs6000-*-lynxos*)
c7e4b184 980 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
981 ;;
982 rs6000-*-aix*)
c7e4b184 983 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
984 ;;
985 rs6000-*-*)
9863d716 986 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
987 ;;
988 m68k-apollo-*)
b2f14e4a 989 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 990 ;;
25a07265 991 microblaze*)
9863d716 992 noconfigdirs="$noconfigdirs gprof"
25a07265 993 ;;
5bd8be13 994 mips*-sde-elf*)
5bd8be13
RS
995 if test x$with_newlib = xyes; then
996 noconfigdirs="$noconfigdirs gprof"
997 fi
5bd8be13 998 ;;
252b5132 999 mips*-*-irix5*)
b2f14e4a 1000 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH
1001 ;;
1002 mips*-*-irix6*)
9863d716 1003 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1004 ;;
252b5132 1005 mips*-*-bsd*)
b2f14e4a 1006 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1007 ;;
fad93c55 1008 mips*-*-linux*)
fad93c55 1009 ;;
252b5132 1010 mips*-*-*)
9863d716 1011 noconfigdirs="$noconfigdirs gprof"
252b5132 1012 ;;
dbf85af7 1013 sh-*-* | sh64-*-*)
e8a5fa9c
RW
1014 case "${target}" in
1015 sh*-*-elf)
9863d716 1016 ;;
e8a5fa9c 1017 *)
9863d716 1018 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1019 esac
252b5132 1020 ;;
252b5132 1021 sparc-*-sunos4*)
c7e4b184 1022 if test x${is_cross_compiler} = xno ; then
252b5132
RH
1023 use_gnu_ld=no
1024 fi
1025 ;;
619a3713 1026 tic6x-*-*)
40ae9136 1027 noconfigdirs="$noconfigdirs sim"
619a3713 1028 ;;
eb4b2452
NC
1029 tilepro-*-* | tilegx-*-*)
1030 noconfigdirs="$noconfigdirs sim"
1031 ;;
252b5132 1032 v810-*-*)
b2f14e4a 1033 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH
1034 ;;
1035 vax-*-*)
9863d716 1036 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1037 ;;
252b5132
RH
1038esac
1039
1040# If we aren't building newlib, then don't build libgloss, since libgloss
1041# depends upon some newlib header files.
1042case "${noconfigdirs}" in
1043 *target-libgloss*) ;;
1044 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1045esac
252b5132 1046
f48556b1 1047# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1048host_makefile_frag=/dev/null
f48556b1
DD
1049if test -d ${srcdir}/config ; then
1050case "${host}" in
ec11bdc6 1051 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD
1052 host_makefile_frag="config/mh-djgpp"
1053 ;;
1054 *-cygwin*)
e33b51a6 1055 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD
1056 host_makefile_frag="config/mh-cygwin"
1057 ;;
8a1599ab 1058 *-mingw*)
84e7906e 1059 host_makefile_frag="config/mh-mingw"
80f6dcbc 1060 ;;
f48556b1
DD
1061 *-interix*)
1062 host_makefile_frag="config/mh-interix"
1063 ;;
da888c87 1064 hppa*-hp-hpux10*)
da888c87 1065 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1066 ;;
3516a403 1067 hppa*-hp-hpux*)
da888c87
PB
1068 host_makefile_frag="config/mh-pa"
1069 ;;
1070 hppa*-*)
1071 host_makefile_frag="config/mh-pa"
1072 ;;
e552509b
ILT
1073 *-*-darwin*)
1074 host_makefile_frag="config/mh-darwin"
0df3d27f 1075 ;;
f6d183c0
PB
1076 powerpc-*-aix*)
1077 host_makefile_frag="config/mh-ppc-aix"
1078 ;;
1079 rs6000-*-aix*)
1080 host_makefile_frag="config/mh-ppc-aix"
1081 ;;
f48556b1
DD
1082esac
1083fi
1084
9e07f89d 1085if test "${build}" != "${host}" ; then
b5714970
PB
1086 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1087 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1088 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB
1089 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1090 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1091 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1092 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB
1093 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1094 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1095 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1096 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1097 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1098 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1099else
b5714970
PB
1100 AR_FOR_BUILD="\$(AR)"
1101 AS_FOR_BUILD="\$(AS)"
9e07f89d 1102 CC_FOR_BUILD="\$(CC)"
b5714970
PB
1103 CXX_FOR_BUILD="\$(CXX)"
1104 GCJ_FOR_BUILD="\$(GCJ)"
1105 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1106 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB
1107 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1108 LD_FOR_BUILD="\$(LD)"
1109 NM_FOR_BUILD="\$(NM)"
1110 RANLIB_FOR_BUILD="\$(RANLIB)"
1111 WINDRES_FOR_BUILD="\$(WINDRES)"
1112 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1113fi
9e07f89d 1114
24ff9987
DJ
1115AC_PROG_CC
1116AC_PROG_CXX
1117
1118# We must set the default linker to the linker used by gcc for the correct
1119# operation of libtool. If LD is not defined and we are using gcc, try to
1120# set the LD default to the ld used by gcc.
1121if test -z "$LD"; then
1122 if test "$GCC" = yes; then
1123 case $build in
1124 *-*-mingw*)
1125 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1126 *)
1127 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1128 esac
1129 case $gcc_prog_ld in
1130 # Accept absolute paths.
1131 [[\\/]* | [A-Za-z]:[\\/]*)]
1132 LD="$gcc_prog_ld" ;;
1133 esac
1134 fi
9e07f89d
NN
1135fi
1136
1137ACX_PROG_GNAT
b8908782 1138ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1139
ffdd6afc
ILT
1140AC_ARG_ENABLE([bootstrap],
1141[AS_HELP_STRING([--enable-bootstrap],
1142 [enable bootstrapping @<:@yes if native build@:>@])],,
1143enable_bootstrap=default)
1144
1145# Issue errors and warnings for invalid/strange bootstrap combinations.
1146if test -r $srcdir/gcc/configure; then
1147 have_compiler=yes
1148else
1149 have_compiler=no
1150fi
1151
1152case "$have_compiler:$host:$target:$enable_bootstrap" in
1153 *:*:*:no) ;;
1154
1155 # Default behavior. Enable bootstrap if we have a compiler
1156 # and we are in a native configuration.
1157 yes:$build:$build:default)
1158 enable_bootstrap=yes ;;
1159
1160 *:*:*:default)
1161 enable_bootstrap=no ;;
1162
1163 # We have a compiler and we are in a native configuration, bootstrap is ok
1164 yes:$build:$build:yes)
1165 ;;
1166
1167 # Other configurations, but we have a compiler. Assume the user knows
1168 # what he's doing.
1169 yes:*:*:yes)
1170 AC_MSG_WARN([trying to bootstrap a cross compiler])
1171 ;;
1172
1173 # No compiler: if they passed --enable-bootstrap explicitly, fail
1174 no:*:*:yes)
1175 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1176
1177 # Fail if wrong command line
1178 *)
1179 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1180 ;;
1181esac
1182
e8a5fa9c
RW
1183# See if we are building gcc with C++.
1184AC_ARG_ENABLE(build-with-cxx,
7837304f
AS
1185[AS_HELP_STRING([--enable-build-with-cxx],
1186 [build with C++ compiler instead of C compiler])],
e8a5fa9c
RW
1187ENABLE_BUILD_WITH_CXX=$enableval,
1188ENABLE_BUILD_WITH_CXX=no)
1189
ffdd6afc
ILT
1190# Build stage1 with C and build stages 2 and 3 with C++.
1191AC_ARG_ENABLE(build-poststage1-with-cxx,
1192[AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1193 [build stages 2 and 3 with C++, not C])],
1194ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1195ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1196
d5f2ee2e
KG
1197# Used for setting $lt_cv_objdir
1198_LT_CHECK_OBJDIR
1199
e8a5fa9c 1200# Check for GMP, MPFR and MPC
d9b76ff9 1201gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1202gmpinc=
4b900473 1203have_gmp=no
e8a5fa9c
RW
1204
1205# Specify a location for mpc
1206# check for this first so it ends up on the link line before mpfr.
7837304f
AS
1207AC_ARG_WITH(mpc,
1208[AS_HELP_STRING([--with-mpc=PATH],
1209 [specify prefix directory for installed MPC package.
1210 Equivalent to --with-mpc-include=PATH/include
1211 plus --with-mpc-lib=PATH/lib])])
1212AC_ARG_WITH(mpc-include,
1213[AS_HELP_STRING([--with-mpc-include=PATH],
1214 [specify directory for installed MPC include files])])
1215AC_ARG_WITH(mpc-lib,
1216[AS_HELP_STRING([--with-mpc-lib=PATH],
1217 [specify directory for the installed MPC library])])
e8a5fa9c
RW
1218
1219if test "x$with_mpc" != x; then
d9b76ff9
KG
1220 gmplibs="-L$with_mpc/lib $gmplibs"
1221 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW
1222fi
1223if test "x$with_mpc_include" != x; then
d9b76ff9 1224 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW
1225fi
1226if test "x$with_mpc_lib" != x; then
d9b76ff9 1227 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW
1228fi
1229if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1230 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1231 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW
1232 # Do not test the mpc version. Assume that it is sufficient, since
1233 # it is in the source tree, and the library has not been built yet
1234 # but it would be included on the link line in the version check below
1235 # hence making the test fail.
d9b76ff9 1236 have_gmp=yes
e8a5fa9c 1237fi
4b900473 1238
11b04d1f
DD
1239# Specify a location for mpfr
1240# check for this first so it ends up on the link line before gmp.
7837304f
AS
1241AC_ARG_WITH(mpfr-dir,
1242[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1243[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1244Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1245
1246AC_ARG_WITH(mpfr,
1247[AS_HELP_STRING([--with-mpfr=PATH],
1248 [specify prefix directory for installed MPFR package.
1249 Equivalent to --with-mpfr-include=PATH/include
1250 plus --with-mpfr-lib=PATH/lib])])
1251AC_ARG_WITH(mpfr-include,
1252[AS_HELP_STRING([--with-mpfr-include=PATH],
1253 [specify directory for installed MPFR include files])])
1254AC_ARG_WITH(mpfr-lib,
1255[AS_HELP_STRING([--with-mpfr-lib=PATH],
1256 [specify directory for the installed MPFR library])])
11b04d1f
DD
1257
1258if test "x$with_mpfr" != x; then
1259 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1260 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1261fi
8a0d8a5c 1262if test "x$with_mpfr_include" != x; then
d9b76ff9 1263 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB
1264fi
1265if test "x$with_mpfr_lib" != x; then
1266 gmplibs="-L$with_mpfr_lib $gmplibs"
1267fi
4b900473 1268if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
d5f2ee2e 1269 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
4b900473 1270 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
d5f2ee2e 1271 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
4b900473
PB
1272 # Do not test the mpfr version. Assume that it is sufficient, since
1273 # it is in the source tree, and the library has not been built yet
1274 # but it would be included on the link line in the version check below
1275 # hence making the test fail.
1276 have_gmp=yes
1277fi
11b04d1f 1278
4b1cb4fe 1279# Specify a location for gmp
7837304f
AS
1280AC_ARG_WITH(gmp-dir,
1281[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1282[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1283Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1284
1285AC_ARG_WITH(gmp,
1286[AS_HELP_STRING([--with-gmp=PATH],
1287 [specify prefix directory for the installed GMP package.
1288 Equivalent to --with-gmp-include=PATH/include
1289 plus --with-gmp-lib=PATH/lib])])
1290AC_ARG_WITH(gmp-include,
1291[AS_HELP_STRING([--with-gmp-include=PATH],
1292 [specify directory for installed GMP include files])])
1293AC_ARG_WITH(gmp-lib,
1294[AS_HELP_STRING([--with-gmp-lib=PATH],
1295 [specify directory for the installed GMP library])])
4b1cb4fe 1296
4b1cb4fe 1297
11b04d1f
DD
1298if test "x$with_gmp" != x; then
1299 gmplibs="-L$with_gmp/lib $gmplibs"
1300 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1301fi
8a0d8a5c
PB
1302if test "x$with_gmp_include" != x; then
1303 gmpinc="-I$with_gmp_include $gmpinc"
1304fi
1305if test "x$with_gmp_lib" != x; then
1306 gmplibs="-L$with_gmp_lib $gmplibs"
1307fi
4b900473 1308if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1309 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1310 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1311 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1312 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
4b900473
PB
1313 # Do not test the gmp version. Assume that it is sufficient, since
1314 # it is in the source tree, and the library has not been built yet
1315 # but it would be included on the link line in the version check below
1316 # hence making the test fail.
1317 have_gmp=yes
1318fi
4b1cb4fe 1319
ceb92e78 1320if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB
1321 have_gmp=yes
1322 saved_CFLAGS="$CFLAGS"
1323 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG
1324 # Check for the recommended and required versions of GMP.
1325 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1326 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG
1327 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1328 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1329 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
9dbaa842 1330 choke me
4b900473 1331 #endif
a009f2e7 1332 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG
1333 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1334 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1335 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1336 choke me
1337 #endif
a009f2e7 1338 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1339 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1340
e8a5fa9c 1341 # If we have GMP, check the MPFR version.
4b900473 1342 if test x"$have_gmp" = xyes; then
a6b5846e
KG
1343 # Check for the recommended and required versions of MPFR.
1344 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1345 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1346 #include <mpfr.h>],[
ef699244 1347 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
4b900473
PB
1348 choke me
1349 #endif
a009f2e7 1350 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1351 #include <mpfr.h>],[
a6b5846e 1352 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW
1353 choke me
1354 #endif
a009f2e7 1355 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW
1356 [AC_MSG_RESULT([no]); have_gmp=no])
1357 fi
1358
1359 # Check for the MPC header version.
d9b76ff9 1360 if test x"$have_gmp" = xyes ; then
a6b5846e 1361 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW
1362 AC_MSG_CHECKING([for the correct version of mpc.h])
1363 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1364 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW
1365 choke me
1366 #endif
a009f2e7 1367 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG
1368 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1369 choke me
1370 #endif
a009f2e7 1371 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1372 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW
1373 fi
1374
1375 # Now check the MPFR library.
1376 if test x"$have_gmp" = xyes; then
1377 saved_LIBS="$LIBS"
1378 LIBS="$LIBS $gmplibs"
d9b76ff9
KG
1379 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1380 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD
1381 mpfr_t n;
1382 mpfr_t x;
d9b76ff9 1383 mpc_t c;
4b900473 1384 int t;
a3ca38d2
DD
1385 mpfr_init (n);
1386 mpfr_init (x);
4b900473
PB
1387 mpfr_atan2 (n, n, x, GMP_RNDN);
1388 mpfr_erfc (n, x, GMP_RNDN);
1389 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG
1390 mpfr_clear(n);
1391 mpfr_clear(x);
1392 mpc_init2 (c, 53);
1393 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1394 mpc_cosh (c, c, MPC_RNDNN);
1395 mpc_pow (c, c, c, MPC_RNDNN);
1396 mpc_acosh (c, c, MPC_RNDNN);
1397 mpc_clear (c);
e8a5fa9c
RW
1398 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1399 LIBS="$saved_LIBS"
4b900473 1400 fi
e8a5fa9c 1401
4b900473 1402 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1403
a6b5846e
KG
1404# The library versions listed in the error message below should match
1405# the HARD-minimums enforced above.
4b900473 1406 if test x$have_gmp != xyes; then
a6b5846e 1407 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
d9b76ff9
KG
1408Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1409their locations. Source code for these libraries can be found at
1410their respective hosting sites as well as at
1411ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1412http://gcc.gnu.org/install/prerequisites.html for additional info. If
1413you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1414make sure that you have installed both the libraries and the header
1415files. They may be located in separate packages.])
4b900473 1416 fi
9dbaa842
DD
1417fi
1418
e8a5fa9c 1419# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD
1420AC_SUBST(gmplibs)
1421AC_SUBST(gmpinc)
e8a5fa9c
RW
1422AC_SUBST(extra_mpfr_configure_flags)
1423AC_SUBST(extra_mpc_gmp_configure_flags)
1424AC_SUBST(extra_mpc_mpfr_configure_flags)
4b1cb4fe 1425
29383458 1426# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS
1427AC_ARG_WITH(host-libstdcxx,
1428[AS_HELP_STRING([--with-host-libstdcxx=L],
1429 [use linker arguments L to link with libstdc++
1430 when linking with PPL])])
29383458
JM
1431
1432case $with_host_libstdcxx in
1433 no|yes)
1434 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1435 ;;
1436esac
e28c595f 1437
e8a5fa9c
RW
1438# Linker flags to use for stage1 or when not boostrapping.
1439AC_ARG_WITH(stage1-ldflags,
7837304f 1440[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
e8a5fa9c
RW
1441[if test "$withval" = "no" -o "$withval" = "yes"; then
1442 stage1_ldflags=
1443 else
1444 stage1_ldflags=$withval
1445 fi],
1446[stage1_ldflags=])
1447AC_SUBST(stage1_ldflags)
1448
1449# Libraries to use for stage1 or when not bootstrapping.
1450AC_ARG_WITH(stage1-libs,
7837304f 1451[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW
1452[if test "$withval" = "no" -o "$withval" = "yes"; then
1453 stage1_libs=
1454 else
1455 stage1_libs=$withval
1456 fi],
1457[stage1_libs=$with_host_libstdcxx])
1458AC_SUBST(stage1_libs)
1459
e8a5fa9c
RW
1460# Libraries to use for stage2 and later builds. This defaults to the
1461# argument passed to --with-host-libstdcxx.
1462AC_ARG_WITH(boot-libs,
7837304f 1463[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW
1464[if test "$withval" = "no" -o "$withval" = "yes"; then
1465 poststage1_libs=
1466 else
1467 poststage1_libs=$withval
1468 fi],
1469[poststage1_libs=$with_host_libstdcxx])
1470AC_SUBST(poststage1_libs)
1471
143754cd
NC
1472# Linker flags to use for stage2 and later builds.
1473AC_ARG_WITH(boot-ldflags,
7837304f
AS
1474[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1475 [linker flags for stage2 and later])],
143754cd
NC
1476[if test "$withval" = "no" -o "$withval" = "yes"; then
1477 poststage1_ldflags=
1478 else
1479 poststage1_ldflags=$withval
1480 fi],
1481[poststage1_ldflags=
4f11b223
ILT
1482 # In stages 2 and 3, default to linking libstdc++ and libgcc
1483 # statically. But if the user explicitly specified the libraries to
1484 # use, trust that they are doing what they want.
1485 if test "$poststage1_libs" = ""; then
143754cd
NC
1486 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1487 fi])
1488AC_SUBST(poststage1_ldflags)
1489
e28c595f 1490# Check for PPL
b123da99 1491ppllibs=
e28c595f 1492pplinc=
b123da99 1493pwllib=
e28c595f 1494
7837304f
AS
1495AC_ARG_WITH(ppl,
1496[AS_HELP_STRING([--with-ppl=PATH],
1497 [specify prefix directory for the installed PPL package.
1498 Equivalent to --with-ppl-include=PATH/include
1499 plus --with-ppl-lib=PATH/lib])])
1500AC_ARG_WITH(ppl-include,
1501[AS_HELP_STRING([--with-ppl-include=PATH],
1502 [specify directory for installed PPL include files])])
1503AC_ARG_WITH(ppl-lib,
1504[AS_HELP_STRING([--with-ppl-lib=PATH],
1505 [specify directory for the installed PPL library])])
e28c595f 1506
b123da99
SP
1507AC_ARG_ENABLE(ppl-version-check,
1508[AS_HELP_STRING([--disable-ppl-version-check],
1509 [disable check for PPL version])])
1510
1511case $with_ppl in
1512 yes | no | "")
1f53ca9a 1513 ;;
29383458 1514 *)
b123da99 1515 ppllibs="-L$with_ppl/lib"
29383458 1516 pplinc="-I$with_ppl/include $pplinc"
b123da99
SP
1517 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1518 with_ppl=yes
1519 else
1520 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1521 fi
29383458
JM
1522 ;;
1523esac
b123da99
SP
1524
1525if test x"$with_ppl_include" != x; then
e28c595f 1526 pplinc="-I$with_ppl_include $pplinc"
b123da99 1527 with_ppl=yes
e28c595f 1528fi
b123da99 1529
e28c595f 1530if test "x$with_ppl_lib" != x; then
b123da99
SP
1531 ppllibs="-L$with_ppl_lib"
1532 with_ppl=yes
e28c595f 1533fi
b123da99
SP
1534
1535if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1536 if test x"$enable_watchdog" = xyes; then
1537 pwllib="-lpwl"
1538 fi
1539 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1f53ca9a
AO
1540 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1541 enable_ppl_version_check=no
b123da99 1542 with_ppl=yes
e28c595f
JM
1543fi
1544
86ed8cf6 1545if test "x$with_ppl" != xno; then
b123da99 1546 if test "x$pwllib" = x; then
0e8ad34f
RO
1547 saved_LIBS="$LIBS"
1548 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1549 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1550 LIBS="$saved_LIBS"
b123da99 1551 fi
e28c595f 1552
b123da99
SP
1553 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1554
1555 if test "$enable_ppl_version_check" != no; then
1556 saved_CFLAGS="$CFLAGS"
1557 CFLAGS="$CFLAGS $pplinc $gmpinc"
1558 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1559 AC_TRY_COMPILE([#include "ppl_c.h"],[
1560 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1561 choke me
1562 #endif
1563 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1564 CFLAGS="$saved_CFLAGS"
1565 fi
e28c595f
JM
1566fi
1567
1568# Flags needed for PPL
1569AC_SUBST(ppllibs)
1570AC_SUBST(pplinc)
1571
1572
1573# Check for CLOOG
e28c595f 1574
e552509b
ILT
1575dnl Provide configure switches and initialize clooginc & clooglibs
1576dnl with user input.
1577CLOOG_INIT_FLAGS
1f53ca9a 1578if test "x$with_ppl" = "xno"; then
8d8eef9a
RW
1579 dnl Only execute fail-action, if CLooG has been requested.
1580 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1581 if test "${graphite_requested}" = yes; then
1582 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1583 fi
1f53ca9a
AO
1584 with_cloog=no
1585fi
e552509b
ILT
1586if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1587 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1588 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1589 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
e28c595f 1590fi
e552509b 1591if test "x$with_cloog" != "xno"; then
8d8eef9a 1592 dnl The minimal version of CLooG required for Graphite.
e552509b 1593 dnl
8d8eef9a
RW
1594 dnl If we use CLooG-Legacy, the provided version information is
1595 dnl ignored.
1596 CLOOG_CHECK_VERSION(0,16,1)
e552509b 1597
8d8eef9a 1598 dnl Only execute fail-action, if CLooG has been requested.
e552509b 1599 CLOOG_IF_FAILED([
8d8eef9a 1600 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
e28c595f
JM
1601fi
1602
700d40ca
ILT
1603# Check for LTO support.
1604AC_ARG_ENABLE(lto,
7837304f 1605[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT
1606enable_lto=$enableval,
1607enable_lto=yes; default_enable_lto=yes)
1608
74cea91b
DK
1609ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1610 build_lto_plugin=yes
1611],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1612 case $target in
899b04ef 1613 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1614 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW
1615 *) enable_lto=no ;;
1616 esac
e49e5c92 1617 else
29821356
RW
1618 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1619 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK
1620 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1621 # warn during gcc/ subconfigure; unless you're bootstrapping with
1622 # -flto it won't be needed until after installation anyway.
1623 case $target in
a8eb3f0a 1624 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK
1625 *) if test x"$enable_lto" = x"yes"; then
1626 AC_MSG_ERROR([LTO support is not enabled for this target.])
1627 fi
1628 ;;
1629 esac
1630 fi
a8eb3f0a 1631 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1632 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1633 case $target in
74cea91b 1634 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK
1635 *) ;;
1636 esac
74cea91b 1637])
700d40ca 1638
e28c595f 1639
947f426e 1640# By default, C is the only stage 1 language.
9b134994 1641stage1_languages=,c,
1d39f329 1642
e8a5fa9c 1643# Target libraries that we bootstrap.
2aa2364a 1644bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1645
9e07f89d
NN
1646# Figure out what language subdirectories are present.
1647# Look if the user specified --enable-languages="..."; if not, use
1648# the environment variable $LANGUAGES if defined. $LANGUAGES might
1649# go away some day.
1650# NB: embedded tabs in this IF block -- do not untabify
1651if test -d ${srcdir}/gcc; then
1652 if test x"${enable_languages+set}" != xset; then
1653 if test x"${LANGUAGES+set}" = xset; then
1654 enable_languages="${LANGUAGES}"
1655 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1656 else
1657 enable_languages=all
1658 fi
1659 else
1660 if test x"${enable_languages}" = x ||
1661 test x"${enable_languages}" = xyes;
1662 then
1663 echo configure.in: --enable-languages needs at least one language argument 1>&2
1664 exit 1
1665 fi
1666 fi
1667 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1668
096f7d00
DE
1669 # 'f95' is the old name for the 'fortran' language. We issue a warning
1670 # and make the substitution.
1671 case ,${enable_languages}, in
1672 *,f95,*)
1673 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1674 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1675 ;;
1676 esac
1677
ffdd6afc
ILT
1678 # If bootstrapping, then using --enable-build-with-cxx or
1679 # --enable-build-poststage1-with-cxx requires enabling C++.
1680 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1681 *,c++,*:*:*) ;;
1682 *:*,yes,*:yes)
1683 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1684 enable_languages="${enable_languages},c++"
1685 else
1686 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1687 fi
1688 ;;
1689 esac
1690
9e07f89d
NN
1691 # First scan to see if an enabled language requires some other language.
1692 # We assume that a given config-lang.in will list all the language
1693 # front ends it requires, even if some are required indirectly.
1694 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1695 case ${lang_frag} in
1696 ..) ;;
1697 # The odd quoting in the next line works around
1698 # an apparent bug in bash 1.12 on linux.
1699 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1700 *)
e552509b
ILT
1701 # From the config-lang.in, get $language, $lang_requires, and
1702 # $lang_requires_boot_languages.
9e07f89d
NN
1703 language=
1704 lang_requires=
e552509b 1705 lang_requires_boot_languages=
9e07f89d 1706 . ${lang_frag}
e552509b 1707 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN
1708 case ,${enable_languages}, in
1709 *,$other,*) ;;
1710 *,all,*) ;;
1711 *,$language,*)
1712 echo " \`$other' language required by \`$language'; enabling" 1>&2
1713 enable_languages="${enable_languages},${other}"
1714 ;;
1715 esac
1716 done
e552509b
ILT
1717 for other in ${lang_requires_boot_languages} ; do
1718 if test "$other" != "c"; then
1719 case ,${enable_stage1_languages}, in
1720 *,$other,*) ;;
1721 *,all,*) ;;
1722 *)
1723 case ,${enable_languages}, in
1724 *,$language,*)
1725 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1726 enable_stage1_languages="$enable_stage1_languages,${other}"
1727 ;;
1728 esac
1729 ;;
1730 esac
1731 fi
1732 done
9e07f89d
NN
1733 ;;
1734 esac
1735 done
1736
9b134994 1737 new_enable_languages=,c,
700d40ca
ILT
1738
1739 # If LTO is enabled, add the LTO front end.
1740 extra_host_libiberty_configure_flags=
1741 if test "$enable_lto" = "yes" ; then
6811fb56
RW
1742 case ,${enable_languages}, in
1743 *,lto,*) ;;
1744 *) enable_languages="${enable_languages},lto" ;;
1745 esac
a8eb3f0a 1746 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT
1747 configdirs="$configdirs lto-plugin"
1748 extra_host_libiberty_configure_flags=--enable-shared
1749 fi
1750 fi
1751 AC_SUBST(extra_host_libiberty_configure_flags)
1752
9e07f89d 1753 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1754 potential_languages=,c,
9e07f89d 1755
9e1a94f4
ILT
1756 enabled_target_libs=
1757 disabled_target_libs=
1758
9e07f89d
NN
1759 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1760 case ${lang_frag} in
1761 ..) ;;
1762 # The odd quoting in the next line works around
1763 # an apparent bug in bash 1.12 on linux.
1764 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1765 *)
1766 # From the config-lang.in, get $language, $target_libs,
1d39f329 1767 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN
1768 language=
1769 target_libs=
1770 lang_dirs=
64ce424c 1771 subdir_requires=
9b134994
PB
1772 boot_language=no
1773 build_by_default=yes
9e07f89d 1774 . ${lang_frag}
9b134994
PB
1775 if test x${language} = x; then
1776 echo "${lang_frag} doesn't set \$language." 1>&2
1777 exit 1
1778 fi
1779
ffdd6afc
ILT
1780 if test "$language" = "c++"; then
1781 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1782 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1783 boot_language=yes
1784 fi
e8a5fa9c
RW
1785 fi
1786
9b134994
PB
1787 case ,${enable_languages}, in
1788 *,${language},*)
9e07f89d
NN
1789 # Language was explicitly selected; include it.
1790 add_this_lang=yes
1791 ;;
9b134994
PB
1792 *,all,*)
1793 # 'all' was selected, select it if it is a default language
1794 add_this_lang=${build_by_default}
9e07f89d
NN
1795 ;;
1796 *)
1797 add_this_lang=no
1798 ;;
1799 esac
4b1cb4fe 1800
64ce424c 1801 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1802 for i in $subdir_requires; do
3d3adb43 1803 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB
1804 case ,${enable_languages}, in
1805 *,${language},*)
1806 # Specifically requested language; tell them.
1807 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1808 ;;
1809 *)
1810 # Silently disable.
9b134994 1811 add_this_lang=unsupported
64ce424c
PB
1812 ;;
1813 esac
1814 done
1815
9b134994
PB
1816 # Disable Ada if no preexisting GNAT is available.
1817 case ,${enable_languages},:${language}:${have_gnat} in
1818 *,${language},*:ada:no)
1819 # Specifically requested language; tell them.
1820 AC_MSG_ERROR([GNAT is required to build $language])
1821 ;;
1822 *:ada:no)
1823 # Silently disable.
1824 add_this_lang=unsupported
1825 ;;
1826 esac
1827
59f7ec45
HPN
1828 # Disable a language that is unsupported by the target.
1829 case " $unsupported_languages " in
1830 *" $language "*)
9b134994 1831 add_this_lang=unsupported
59f7ec45
HPN
1832 ;;
1833 esac
1834
4b1cb4fe 1835 case $add_this_lang in
9b134994 1836 unsupported)
9e07f89d 1837 # Remove language-dependent dirs.
9e1a94f4
ILT
1838 disabled_target_libs="$disabled_target_libs $target_libs"
1839 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1840 ;;
9b134994
PB
1841 no)
1842 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT
1843 disabled_target_libs="$disabled_target_libs $target_libs"
1844 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB
1845 potential_languages="${potential_languages}${language},"
1846 ;;
1847 yes)
1848 new_enable_languages="${new_enable_languages}${language},"
1849 potential_languages="${potential_languages}${language},"
1d39f329 1850 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1851 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW
1852 case "${boot_language}:,$enable_stage1_languages," in
1853 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1854 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW
1855 case ",$stage1_languages," in
1856 *,$language,* | ,yes, | ,all,) ;;
1857 *) stage1_languages="${stage1_languages}${language}," ;;
1858 esac
e8a5fa9c
RW
1859 # We need to bootstrap any supporting libraries.
1860 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN
1861 ;;
1862 esac
1863 ;;
9e07f89d
NN
1864 esac
1865 ;;
1866 esac
1867 done
1868
9e1a94f4
ILT
1869 # Add target libraries which are only needed for disabled languages
1870 # to noconfigdirs.
1871 if test -n "$disabled_target_libs"; then
1872 for dir in $disabled_target_libs; do
1873 case " $enabled_target_libs " in
1874 *" ${dir} "*) ;;
1875 *) noconfigdirs="$noconfigdirs $dir" ;;
1876 esac
1877 done
1878 fi
1879
9b134994 1880 AC_ARG_ENABLE(stage1-languages,
7837304f
AS
1881 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1882 [choose additional languages to build during
1883 stage1. Mostly useful for compiler development])],
9b134994
PB
1884 [case ,${enable_stage1_languages}, in
1885 ,no,|,,)
1886 # Set it to something that will have no effect in the loop below
1887 enable_stage1_languages=c ;;
1888 ,yes,)
1889 enable_stage1_languages=`echo $new_enable_languages | \
1890 sed -e "s/^,//" -e "s/,$//" ` ;;
1891 *,all,*)
1892 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1893 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1894 esac
1895
1896 # Add "good" languages from enable_stage1_languages to stage1_languages,
1897 # while "bad" languages go in missing_languages. Leave no duplicates.
1898 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1899 case $potential_languages in
1900 *,$i,*)
1901 case $stage1_languages in
1902 *,$i,*) ;;
1903 *) stage1_languages="$stage1_languages$i," ;;
1904 esac ;;
1905 *)
1906 case $missing_languages in
1907 *,$i,*) ;;
1908 *) missing_languages="$missing_languages$i," ;;
1909 esac ;;
1910 esac
1911 done])
1912
1913 # Remove leading/trailing commas that were added for simplicity
1914 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 1915 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB
1916 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1917 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1918
9e07f89d
NN
1919 if test "x$missing_languages" != x; then
1920 AC_MSG_ERROR([
27258dd4 1921The following requested languages could not be built: ${missing_languages}
9b134994 1922Supported languages are: ${potential_languages}])
9e07f89d 1923 fi
9e07f89d
NN
1924 if test "x$new_enable_languages" != "x$enable_languages"; then
1925 echo The following languages will be built: ${new_enable_languages}
9b134994 1926 enable_languages="$new_enable_languages"
9e07f89d 1927 fi
9b134994
PB
1928
1929 AC_SUBST(stage1_languages)
81ec575a 1930 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN
1931fi
1932
a6df5a19
PB
1933# Handle --disable-<component> generically.
1934for dir in $configdirs $build_configdirs $target_configdirs ; do
1935 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB
1936 varname=`echo $dirname | sed -e s/+/_/g`
1937 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB
1938 noconfigdirs="$noconfigdirs $dir"
1939 fi
1940done
1941
4f0ef2d8
CD
1942# Check for Boehm's garbage collector
1943AC_ARG_ENABLE(objc-gc,
7837304f
AS
1944[AS_HELP_STRING([--enable-objc-gc],
1945 [enable use of Boehm's garbage collector with the
1946 GNU Objective-C runtime])],
4f0ef2d8
CD
1947[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1948 *,objc,*:*:yes:*target-boehm-gc*)
1949 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1950 ;;
1951esac])
1952
1953# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA
1954case ,${enable_languages},:${enable_objc_gc} in
1955 *,objc,*:yes)
4f0ef2d8
CD
1956 # Keep target-boehm-gc if requested for Objective-C.
1957 ;;
4f0ef2d8 1958 *)
d42c4017
DA
1959 # Otherwise remove target-boehm-gc depending on target-libjava.
1960 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1961 noconfigdirs="$noconfigdirs target-boehm-gc"
1962 fi
4f0ef2d8
CD
1963 ;;
1964esac
1965
caeba88f
AL
1966# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1967# $build_configdirs and $target_configdirs.
9e07f89d
NN
1968# If we have the source for $noconfigdirs entries, add them to $notsupp.
1969
1970notsupp=""
1971for dir in . $skipdirs $noconfigdirs ; do
caeba88f 1972 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN
1973 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1974 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1975 if test -r $srcdir/$dirname/configure ; then
1976 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1977 true
1978 else
1979 notsupp="$notsupp $dir"
1980 fi
1981 fi
1982 fi
caeba88f
AL
1983 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1984 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1985 if test -r $srcdir/$dirname/configure ; then
1986 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1987 true
1988 else
1989 notsupp="$notsupp $dir"
1990 fi
1991 fi
1992 fi
9e07f89d
NN
1993 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1994 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1995 if test -r $srcdir/$dirname/configure ; then
1996 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1997 true
1998 else
1999 notsupp="$notsupp $dir"
2000 fi
2001 fi
2002 fi
2003done
2004
9e07f89d
NN
2005# Quietly strip out all directories which aren't configurable in this tree.
2006# This relies on all configurable subdirectories being autoconfiscated, which
2007# is now the case.
6a9cf61e
PB
2008build_configdirs_all="$build_configdirs"
2009build_configdirs=
2010for i in ${build_configdirs_all} ; do
2011 j=`echo $i | sed -e s/build-//g`
2012 if test -f ${srcdir}/$j/configure ; then
2013 build_configdirs="${build_configdirs} $i"
2014 fi
2015done
2016
9e07f89d
NN
2017configdirs_all="$configdirs"
2018configdirs=
2019for i in ${configdirs_all} ; do
2020 if test -f ${srcdir}/$i/configure ; then
2021 configdirs="${configdirs} $i"
2022 fi
2023done
6a9cf61e 2024
9e07f89d
NN
2025target_configdirs_all="$target_configdirs"
2026target_configdirs=
2027for i in ${target_configdirs_all} ; do
2028 j=`echo $i | sed -e s/target-//g`
2029 if test -f ${srcdir}/$j/configure ; then
2030 target_configdirs="${target_configdirs} $i"
2031 fi
2032done
2033
2034# Produce a warning message for the subdirs we can't configure.
2035# This isn't especially interesting in the Cygnus tree, but in the individual
2036# FSF releases, it's important to let people know when their machine isn't
2037# supported by the one or two programs in a package.
2038
2039if test -n "${notsupp}" && test -z "${norecursion}" ; then
2040 # If $appdirs is non-empty, at least one of those directories must still
2041 # be configured, or we error out. (E.g., if the gas release supports a
2042 # specified target in some subdirs but not the gas subdir, we shouldn't
2043 # pretend that all is well.)
2044 if test -n "$appdirs" ; then
2045 for dir in $appdirs ; do
2046 if test -r $dir/Makefile.in ; then
2047 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2048 appdirs=""
2049 break
2050 fi
6a9cf61e 2051 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN
2052 appdirs=""
2053 break
2054 fi
2055 fi
2056 done
2057 if test -n "$appdirs" ; then
2058 echo "*** This configuration is not supported by this package." 1>&2
2059 exit 1
2060 fi
2061 fi
2062 # Okay, some application will build, or we don't care to check. Still
2063 # notify of subdirs not getting built.
2064 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2065 echo " ${notsupp}" 1>&2
2066 echo " (Any other directories should still work fine.)" 1>&2
2067fi
2068
2069case "$host" in
2070 *msdosdjgpp*)
2071 enable_gdbtk=no ;;
2072esac
2073
24ff9987
DJ
2074# To find our prefix, in gcc_cv_tool_prefix.
2075ACX_TOOL_DIRS
2076
9e07f89d
NN
2077copy_dirs=
2078
a19b6204 2079AC_ARG_WITH([build-sysroot],
7837304f
AS
2080 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2081 [use sysroot as the system root during the build])],
a19b6204
MM
2082 [if test x"$withval" != x ; then
2083 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2084 fi],
2085 [SYSROOT_CFLAGS_FOR_TARGET=])
2086AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2087
8a6ee3ab 2088AC_ARG_WITH([debug-prefix-map],
7837304f
AS
2089 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2090 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM
2091 [if test x"$withval" != x; then
2092 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2093 for debug_map in $withval; do
2094 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2095 done
2096 fi],
2097 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2098AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2099
7f6ef0c0
PB
2100# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2101# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2102# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2103# We want to ensure that TARGET libraries (which we know are built with
2104# gcc) are built with "-O2 -g", so include those options when setting
2105# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2106if test "x$CFLAGS_FOR_TARGET" = x; then
2107 CFLAGS_FOR_TARGET=$CFLAGS
2108 case " $CFLAGS " in
2109 *" -O2 "*) ;;
2110 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2111 esac
2112 case " $CFLAGS " in
2113 *" -g "* | *" -g3 "*) ;;
2114 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2115 esac
2116fi
2117AC_SUBST(CFLAGS_FOR_TARGET)
2118
2119if test "x$CXXFLAGS_FOR_TARGET" = x; then
2120 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2121 case " $CXXFLAGS " in
2122 *" -O2 "*) ;;
2123 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2124 esac
2125 case " $CXXFLAGS " in
2126 *" -g "* | *" -g3 "*) ;;
2127 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2128 esac
2129fi
2130AC_SUBST(CXXFLAGS_FOR_TARGET)
2131
91c1f14c
DK
2132AC_SUBST(LDFLAGS_FOR_TARGET)
2133
9e07f89d
NN
2134# Handle --with-headers=XXX. If the value is not "yes", the contents of
2135# the named directory are copied to $(tooldir)/sys-include.
2136if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2137 if test x${is_cross_compiler} = xno ; then
2138 echo 1>&2 '***' --with-headers is only supported when cross compiling
2139 exit 1
2140 fi
2141 if test x"${with_headers}" != xyes ; then
24ff9987 2142 x=${gcc_cv_tool_prefix}
c6b750e1 2143 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN
2144 fi
2145fi
2146
2147# Handle --with-libs=XXX. If the value is not "yes", the contents of
2148# the name directories are copied to $(tooldir)/lib. Multiple directories
2149# are permitted.
2150if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2151 if test x${is_cross_compiler} = xno ; then
2152 echo 1>&2 '***' --with-libs is only supported when cross compiling
2153 exit 1
2154 fi
2155 if test x"${with_libs}" != xyes ; then
2156 # Copy the libraries in reverse order, so that files in the first named
2157 # library override files in subsequent libraries.
24ff9987 2158 x=${gcc_cv_tool_prefix}
9e07f89d 2159 for l in ${with_libs}; do
c6b750e1 2160 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN
2161 done
2162 fi
2163fi
2164
700d40ca 2165# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB
2166#
2167# This is done by determining whether or not the appropriate directory
2168# is available, and by checking whether or not specific configurations
2169# have requested that this magic not happen.
2170#
2171# The command line options always override the explicit settings in
2172# configure.in, and the settings in configure.in override this magic.
2173#
2174# If the default for a toolchain is to use GNU as and ld, and you don't
2175# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT
2176# --without-gnu-ld options for the configure script. Similarly, if
2177# the default is to use the included zlib and you don't want to do that,
2178# you should use the --with-system-zlib option for the configure script.
2429c060
PB
2179
2180if test x${use_gnu_as} = x &&
2181 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2182 with_gnu_as=yes
2183 extra_host_args="$extra_host_args --with-gnu-as"
2184fi
2185
2186if test x${use_gnu_ld} = x &&
93f9b408 2187 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB
2188 with_gnu_ld=yes
2189 extra_host_args="$extra_host_args --with-gnu-ld"
2190fi
2191
700d40ca
ILT
2192if test x${use_included_zlib} = x &&
2193 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2194 :
2195else
2196 with_system_zlib=yes
2197 extra_host_args="$extra_host_args --with-system-zlib"
2198fi
2199
2429c060
PB
2200# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2201# can detect this case.
2202
2203if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2204 with_newlib=yes
2205 extra_host_args="$extra_host_args --with-newlib"
2206fi
2207
9e07f89d
NN
2208# Handle ${copy_dirs}
2209set fnord ${copy_dirs}
2210shift
2211while test $# != 0 ; do
2212 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2213 :
2214 else
2215 echo Copying $1 to $2
2216
2217 # Use the install script to create the directory and all required
2218 # parent directories.
2219 if test -d $2 ; then
2220 :
2221 else
2222 echo >config.temp
2223 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2224 fi
2225
2226 # Copy the directory, assuming we have tar.
2227 # FIXME: Should we use B in the second tar? Not all systems support it.
2228 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2229
2230 # It is the responsibility of the user to correctly adjust all
2231 # symlinks. If somebody can figure out how to handle them correctly
2232 # here, feel free to add the code.
2233
2234 echo $1 > $2/COPIED
2235 fi
2236 shift; shift
2237done
2238
2429c060
PB
2239# Determine a target-dependent exec_prefix that the installed
2240# gcc will search in. Keep this list sorted by triplet, with
2241# the *-*-osname triplets last.
2242md_exec_prefix=
2243case "${target}" in
521ec477 2244 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB
2245 md_exec_prefix=/dev/env/DJDIR/bin
2246 ;;
2429c060 2247 *-*-hpux* | \
2429c060 2248 *-*-nto-qnx* | \
1f111696 2249 *-*-solaris2*)
2429c060
PB
2250 md_exec_prefix=/usr/ccs/bin
2251 ;;
2252esac
2253
874e38b4
NN
2254extra_arflags_for_target=
2255extra_nmflags_for_target=
1086bc09 2256extra_ranlibflags_for_target=
a0da8069 2257target_makefile_frag=/dev/null
f48556b1 2258case "${target}" in
77d7106f
AM
2259 spu-*-*)
2260 target_makefile_frag="config/mt-spu"
2261 ;;
429acdec
RS
2262 mips*-sde-elf*)
2263 target_makefile_frag="config/mt-sde"
2264 ;;
f3b1e08e
RS
2265 mipsisa*-*-elfoabi*)
2266 target_makefile_frag="config/mt-mips-elfoabi"
2267 ;;
e7c8859c
RS
2268 mips*-*-*linux* | mips*-*-gnu*)
2269 target_makefile_frag="config/mt-mips-gnu"
2270 ;;
29383458 2271 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2272 target_makefile_frag="config/mt-gnu"
f48556b1 2273 ;;
a0da8069 2274 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN
2275 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2276 # commands to handle both 32-bit and 64-bit objects. These flags are
2277 # harmless if we're using GNU nm or ar.
2278 extra_arflags_for_target=" -X32_64"
2279 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2280 ;;
92f4e989
JM
2281 *-*-darwin[[3-9]]*)
2282 # ranlib before Darwin10 requires the -c flag to look at common symbols.
1086bc09
NN
2283 extra_ranlibflags_for_target=" -c"
2284 ;;
b6f83f2a
DD
2285esac
2286
a0da8069 2287alphaieee_frag=/dev/null
b6f83f2a
DD
2288case $target in
2289 alpha*-*-*)
2290 # This just makes sure to use the -mieee option to build target libs.
2291 # This should probably be set individually by each library.
2292 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD
2293 ;;
2294esac
a0a2c6c6 2295
f48556b1
DD
2296# If --enable-target-optspace always use -Os instead of -O2 to build
2297# the target libraries, similarly if it is not specified, use -Os
2298# on selected platforms.
a0da8069 2299ospace_frag=/dev/null
f48556b1
DD
2300case "${enable_target_optspace}:${target}" in
2301 yes:*)
b6f83f2a 2302 ospace_frag="config/mt-ospace"
f48556b1
DD
2303 ;;
2304 :d30v-*)
b6f83f2a 2305 ospace_frag="config/mt-d30v"
f48556b1
DD
2306 ;;
2307 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2308 ospace_frag="config/mt-ospace"
f48556b1
DD
2309 ;;
2310 no:* | :*)
2311 ;;
2312 *)
2313 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2314 ;;
2315esac
252b5132 2316
f48556b1
DD
2317# Default to using --with-stabs for certain targets.
2318if test x${with_stabs} = x ; then
2319 case "${target}" in
e31d1ea3 2320 mips*-*-irix[[56]]*)
f48556b1
DD
2321 ;;
2322 mips*-*-* | alpha*-*-osf*)
2323 with_stabs=yes;
ae831be5 2324 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD
2325 ;;
2326 esac
2327fi
2328
a0da8069
NN
2329# Some systems (e.g., one of the i386-aix systems the gas testers are
2330# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2331tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN
2332build_tooldir=${tooldir}
2333
a0da8069
NN
2334# Create a .gdbinit file which runs the one in srcdir
2335# and tells GDB to look there for source files.
2336
2337if test -r ${srcdir}/.gdbinit ; then
2338 case ${srcdir} in
2339 .) ;;
2340 *) cat > ./.gdbinit <<EOF
2341# ${NO_EDIT}
2342dir ${srcdir}
2343dir .
2344source ${srcdir}/.gdbinit
2345EOF
2346 ;;
2347 esac
2348fi
2349
252b5132
RH
2350# Make sure that the compiler is able to generate an executable. If it
2351# can't, we are probably in trouble. We don't care whether we can run the
2352# executable--we might be using a cross compiler--we only care whether it
2353# can be created. At this point the main configure script has set CC.
a0c4f3a0 2354we_are_ok=no
252b5132
RH
2355echo "int main () { return 0; }" > conftest.c
2356${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD
2357if test $? = 0 ; then
2358 if test -s conftest || test -s conftest.exe ; then
2359 we_are_ok=yes
2360 fi
2361fi
2362case $we_are_ok in
2363 no)
2364 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2365 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2366 rm -f conftest*
2367 exit 1
2368 ;;
2369esac
252b5132
RH
2370rm -f conftest*
2371
3bbd2f8f 2372# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN
2373case "${host}" in
2374 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2375 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2376 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN
2377 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2378esac
8607b6c9 2379
3bbd2f8f 2380# On systems where the dynamic library environment variable is PATH,
e28c595f
JM
2381# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2382# built executables to PATH.
3bbd2f8f
AL
2383if test "$RPATH_ENVVAR" = PATH; then
2384 GCC_SHLIB_SUBDIR=/shlib
2385else
2386 GCC_SHLIB_SUBDIR=
2387fi
2388
3866be5d
NN
2389# Record target_configdirs and the configure arguments for target and
2390# build configuration in Makefile.
2391target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2392build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2393
2aa2364a
JR
2394# If we are building libgomp, bootstrap it.
2395if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2396 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2397fi
2398
930314a4
NN
2399# Determine whether gdb needs tk/tcl or not.
2400# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2401# and in that case we want gdb to be built without tk. Ugh!
2402# In fact I believe gdb is the *only* package directly dependent on tk,
2403# so we should be able to put the 'maybe's in unconditionally and
2404# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2405# 100% sure that that's safe though.
c180f501 2406
675c6968 2407gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN
2408case "$enable_gdbtk" in
2409 no)
2410 GDB_TK="" ;;
c180f501
AC
2411 yes)
2412 GDB_TK="${gdb_tk}" ;;
930314a4 2413 *)
c180f501
AC
2414 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2415 # distro. Eventually someone will fix this and move Insight, nee
2416 # gdbtk to a separate directory.
2417 if test -d ${srcdir}/gdb/gdbtk ; then
2418 GDB_TK="${gdb_tk}"
2419 else
2420 GDB_TK=""
2421 fi
2422 ;;
930314a4 2423esac
907be67c
DJ
2424CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2425INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2426
6bd3dfaa 2427# Strip out unwanted targets.
dd12c3a8
NN
2428
2429# While at that, we remove Makefiles if we were started for recursive
2430# configuration, so that the top-level Makefile reconfigures them,
2431# like we used to do when configure itself was recursive.
dd12c3a8 2432
06a51eac
RW
2433# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2434# but now we're fixing up the Makefile ourselves with the additional
2435# commands passed to AC_CONFIG_FILES. Use separate variables
2436# extrasub-{build,host,target} not because there is any reason to split
2437# the substitutions up that way, but only to remain below the limit of
2438# 99 commands in a script, for HP-UX sed.
2439# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2440
16b1ad29
RW
2441case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2442 yes:yes:*\ gold\ *:*,c++,*) ;;
2443 yes:yes:*\ gold\ *:*)
2444 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2445 ;;
2446esac
2447
9cb3fa6f 2448# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2449case $enable_bootstrap in
498d4a71 2450 yes)
96655cc4
AO
2451 bootstrap_suffix=bootstrap
2452 BUILD_CONFIG=bootstrap-debug
2453 ;;
498d4a71 2454 no)
96655cc4
AO
2455 bootstrap_suffix=no-bootstrap
2456 BUILD_CONFIG=
2457 ;;
498d4a71 2458esac
498d4a71 2459
96655cc4
AO
2460AC_MSG_CHECKING(for default BUILD_CONFIG)
2461
2462AC_ARG_WITH([build-config],
7837304f
AS
2463 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2464 [use config/NAME.mk build configuration])],
96655cc4
AO
2465 [case $with_build_config in
2466 yes) with_build_config= ;;
2467 no) with_build_config= BUILD_CONFIG= ;;
2468 esac])
2469
2470if test "x${with_build_config}" != x; then
2471 BUILD_CONFIG=$with_build_config
2472else
2473 case $BUILD_CONFIG in
2474 bootstrap-debug)
2475 if echo "int f (void) { return 0; }" > conftest.c &&
2476 ${CC} -c conftest.c &&
2477 mv conftest.o conftest.o.g0 &&
2478 ${CC} -c -g conftest.c &&
2479 mv conftest.o conftest.o.g &&
a009f2e7 2480 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO
2481 :
2482 else
2483 BUILD_CONFIG=
2484 fi
2485 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2486 ;;
2487 esac
2488fi
2489AC_MSG_RESULT($BUILD_CONFIG)
2490AC_SUBST(BUILD_CONFIG)
2491
06a51eac 2492extrasub_build=
6a9cf61e 2493for module in ${build_configdirs} ; do
dd12c3a8
NN
2494 if test -z "${no_recursion}" \
2495 && test -f ${build_subdir}/${module}/Makefile; then
2496 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2497 rm -f ${build_subdir}/${module}/Makefile
2498 fi
06a51eac 2499 extrasub_build="$extrasub_build
6bd3dfaa 2500/^@if build-$module\$/d
498d4a71
CF
2501/^@endif build-$module\$/d
2502/^@if build-$module-$bootstrap_suffix\$/d
2503/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2504done
06a51eac 2505extrasub_host=
dd12c3a8 2506for module in ${configdirs} ; do
80911fe1 2507 if test -z "${no_recursion}"; then
8cf39b1b 2508 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB
2509 if test -f ${file}; then
2510 echo 1>&2 "*** removing ${file} to force reconfigure"
2511 rm -f ${file}
2512 fi
2513 done
dd12c3a8 2514 fi
06a51eac 2515 extrasub_host="$extrasub_host
6bd3dfaa 2516/^@if $module\$/d
498d4a71
CF
2517/^@endif $module\$/d
2518/^@if $module-$bootstrap_suffix\$/d
2519/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2520done
06a51eac 2521extrasub_target=
dd12c3a8
NN
2522for module in ${target_configdirs} ; do
2523 if test -z "${no_recursion}" \
2524 && test -f ${target_subdir}/${module}/Makefile; then
2525 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2526 rm -f ${target_subdir}/${module}/Makefile
2527 fi
e8a5fa9c
RW
2528
2529 # We only bootstrap target libraries listed in bootstrap_target_libs.
2530 case $bootstrap_target_libs in
2531 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2532 *) target_bootstrap_suffix=no-bootstrap ;;
2533 esac
2534
06a51eac 2535 extrasub_target="$extrasub_target
6bd3dfaa 2536/^@if target-$module\$/d
498d4a71 2537/^@endif target-$module\$/d
e8a5fa9c
RW
2538/^@if target-$module-$target_bootstrap_suffix\$/d
2539/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2540done
319cab08 2541
06a51eac
RW
2542# Do the final fixup along with target modules.
2543extrasub_target="$extrasub_target
6bd3dfaa 2544/^@if /,/^@endif /d"
930314a4 2545
a2cc058a
NN
2546# Create the serialization dependencies. This uses a temporary file.
2547
e6bfb94a 2548AC_ARG_ENABLE([serial-configure],
7837304f
AS
2549[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2550 [force sequential configuration of
2551 sub-packages for the host, target or build
2552 machine, or all sub-packages])])
1047cb91
DD
2553
2554case ${enable_serial_configure} in
2555 yes)
2556 enable_serial_build_configure=yes
2557 enable_serial_host_configure=yes
2558 enable_serial_target_configure=yes
2559 ;;
2560esac
e6bfb94a 2561
a2cc058a
NN
2562# These force 'configure's to be done one at a time, to avoid problems
2563# with contention over a shared config.cache.
2564rm -f serdep.tmp
e6bfb94a 2565echo '# serdep.tmp' > serdep.tmp
a2cc058a 2566olditem=
1047cb91 2567test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN
2568for item in ${build_configdirs} ; do
2569 case ${olditem} in
2570 "") ;;
e6bfb94a 2571 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
2572 esac
2573 olditem=${item}
2574done
2575olditem=
1047cb91 2576test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN
2577for item in ${configdirs} ; do
2578 case ${olditem} in
2579 "") ;;
e6bfb94a 2580 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
2581 esac
2582 olditem=${item}
2583done
2584olditem=
1047cb91 2585test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN
2586for item in ${target_configdirs} ; do
2587 case ${olditem} in
2588 "") ;;
e6bfb94a 2589 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
2590 esac
2591 olditem=${item}
2592done
a0da8069
NN
2593serialization_dependencies=serdep.tmp
2594AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2595
e6bfb94a 2596# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2597# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC
2598# might not want to pass down to subconfigures. The exception being
2599# --cache-file=/dev/null, which is used to turn off the use of cache
2600# files altogether, and which should be passed on to subconfigures.
2601# Also strip program-prefix, program-suffix, and program-transform-name,
2602# so that we can pass down a consistent program-transform-name.
c6b750e1 2603baseargs=
65b4571a 2604tbaseargs=
c6b750e1
DJ
2605keep_next=no
2606skip_next=no
2607eval "set -- $ac_configure_args"
b0aaa663
DJ
2608for ac_arg
2609do
c6b750e1
DJ
2610 if test X"$skip_next" = X"yes"; then
2611 skip_next=no
2612 continue
2613 fi
2614 if test X"$keep_next" = X"yes"; then
2615 case $ac_arg in
2616 *\'*)
2617 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2618 esac
2619 baseargs="$baseargs '$ac_arg'"
65b4571a 2620 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ
2621 keep_next=no
2622 continue
2623 fi
2624
2625 # Handle separated arguments. Based on the logic generated by
2626 # autoconf 2.59.
2627 case $ac_arg in
2628 *=* | --config-cache | -C | -disable-* | --disable-* \
2629 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2630 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2631 | -with-* | --with-* | -without-* | --without-* | --x)
2632 separate_arg=no
2633 ;;
2634 -*)
2635 separate_arg=yes
2636 ;;
2637 *)
2638 separate_arg=no
2639 ;;
2640 esac
2641
65b4571a
AO
2642 skip_targ=no
2643 case $ac_arg in
2644changequote(,)
2645 --with-* | --without-*)
2646 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2647
2648 case $libopt in
2649 *[-_]include)
2650 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2651 ;;
2652 *[-_]lib)
2653 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2654 ;;
2655 *)
2656 lib=$libopt
2657 ;;
2658 esac
2659changequote([,])
2660
2661 case $lib in
2662 mpc | mpfr | gmp | ppl | cloog)
2663 # If we're processing --with-$lib, --with-$lib-include or
2664 # --with-$lib-lib, for one of the libs above, and target is
2665 # different from host, don't pass the current argument to any
2666 # target library's configure.
2667 if test x$is_cross_compiler = xyes; then
2668 skip_targ=yes
2669 fi
2670 ;;
2671 esac
2672 ;;
2673 esac
2674
c6b750e1 2675 case "$ac_arg" in
30167e0a
NC
2676 --cache-file=/dev/null | \
2677 -cache-file=/dev/null )
2678 # Handled here to avoid the test to skip args below.
2679 baseargs="$baseargs '$ac_arg'"
65b4571a 2680 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC
2681 # Assert: $separate_arg should always be no.
2682 keep_next=$separate_arg
2683 ;;
c6b750e1
DJ
2684 --no*)
2685 continue
2686 ;;
2687 --c* | \
2688 --sr* | \
2689 --ho* | \
2690 --bu* | \
2691 --t* | \
2692 --program-* | \
2693 -cache_file* | \
2694 -srcdir* | \
2695 -host* | \
2696 -build* | \
2697 -target* | \
2698 -program-prefix* | \
2699 -program-suffix* | \
2700 -program-transform-name* )
2701 skip_next=$separate_arg
2702 continue
2703 ;;
2704 -*)
2705 # An option. Add it.
2706 case $ac_arg in
2707 *\'*)
2708 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2709 esac
2710 baseargs="$baseargs '$ac_arg'"
65b4571a
AO
2711 if test X"$skip_targ" = Xno; then
2712 tbaseargs="$tbaseargs '$ac_arg'"
2713 fi
c6b750e1
DJ
2714 keep_next=$separate_arg
2715 ;;
2716 *)
2717 # Either a variable assignment, or a nonopt (triplet). Don't
2718 # pass it down; let the Makefile handle this.
2719 continue
2720 ;;
2721 esac
2722done
2723# Remove the initial space we just introduced and, as these will be
2724# expanded by make, quote '$'.
2725baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2726
f27d4f92
DJ
2727# Add in --program-transform-name, after --program-prefix and
2728# --program-suffix have been applied to it. Autoconf has already
2729# doubled dollar signs and backslashes in program_transform_name; we want
2730# the backslashes un-doubled, and then the entire thing wrapped in single
2731# quotes, because this will be expanded first by make and then by the shell.
2732# Also, because we want to override the logic in subdir configure scripts to
2733# choose program_transform_name, replace any s,x,x, with s,y,y,.
2734sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2735${program_transform_name}
2736EOF_SED
2737gcc_transform_name=`cat conftestsed.out`
2738rm -f conftestsed.out
2739baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2740tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE
2741if test "$silent" = yes; then
2742 baseargs="$baseargs --silent"
65b4571a 2743 tbaseargs="$tbaseargs --silent"
2444379b 2744fi
34a0f3cf 2745baseargs="$baseargs --disable-option-checking"
65b4571a 2746tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2747
4074d5f2
RW
2748# Record and document user additions to sub configure arguments.
2749AC_ARG_VAR([build_configargs],
2750 [additional configure arguments for build directories])
2751AC_ARG_VAR([host_configargs],
2752 [additional configure arguments for host directories])
2753AC_ARG_VAR([target_configargs],
2754 [additional configure arguments for target directories])
2755
49b7683b
DD
2756# For the build-side libraries, we just need to pretend we're native,
2757# and not use the same cache file. Multilibs are neither needed nor
2758# desired.
4074d5f2 2759build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2760
ae831be5
NN
2761# For host modules, accept cache file option, or specification as blank.
2762case "${cache_file}" in
2763"") # empty
2764 cache_file_option="" ;;
a0da8069 2765/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN
2766 cache_file_option="--cache-file=${cache_file}" ;;
2767*) # relative path
2768 cache_file_option="--cache-file=../${cache_file}" ;;
2769esac
2770
82252c06
NN
2771# Host dirs don't like to share a cache file either, horribly enough.
2772# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2773host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2774
65b4571a 2775target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2776
252b5132
RH
2777# Passing a --with-cross-host argument lets the target libraries know
2778# whether they are being built with a cross-compiler or being built
2779# native. However, it would be better to use other mechanisms to make the
2780# sorts of decisions they want to make on this basis. Please consider
2781# this option to be deprecated. FIXME.
a0c4f3a0 2782if test x${is_cross_compiler} = xyes ; then
c6b750e1 2783 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH
2784fi
2785
938d2b74
RW
2786# Default to --enable-multilib.
2787if test x${enable_multilib} = x ; then
a0da8069 2788 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2789fi
252b5132
RH
2790
2791# Pass --with-newlib if appropriate. Note that target_configdirs has
2792# changed from the earlier setting of with_newlib.
a0c4f3a0 2793if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2794 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH
2795fi
2796
95036d20
NN
2797# Different target subdirs use different values of certain variables
2798# (notably CXX). Worse, multilibs use *lots* of different values.
2799# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2800# it doesn't automatically accept command-line overrides of them.
2801# This means it's not safe for target subdirs to share a cache file,
2802# which is disgusting, but there you have it. Hopefully this can be
2803# fixed in future. It's still worthwhile to use a cache file for each
2804# directory. I think.
2805
ae380b45
MS
2806# Pass the appropriate --build, --host, --target and --cache-file arguments.
2807# We need to pass --target, as newer autoconf's requires consistency
2808# for target_alias and gcc doesn't manage it consistently.
4b900473 2809target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2810
9e449d3e 2811FLAGS_FOR_TARGET=
7c1f909c 2812case " $target_configdirs " in
75205f78 2813 *" newlib "*)
a0da8069 2814 case " $target_configargs " in
75205f78 2815 *" --with-newlib "*)
9e449d3e 2816 case "$target" in
1f53ca9a
AO
2817 *-cygwin*)
2818 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
2819 ;;
9e449d3e
AO
2820 esac
2821
7450026c 2822 # If we're not building GCC, don't discard standard headers.
4d5fd396 2823 if test -d ${srcdir}/gcc; then
63266560 2824 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO
2825
2826 if test "${build}" != "${host}"; then
2827 # On Canadian crosses, CC_FOR_TARGET will have already been set
2828 # by `configure', so we won't have an opportunity to add -Bgcc/
2829 # to it. This is right: we don't want to search that directory
2830 # for binaries, but we want the header files in there, so add
2831 # them explicitly.
e552509b 2832 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO
2833
2834 # Someone might think of using the pre-installed headers on
2835 # Canadian crosses, in case the installed compiler is not fully
2836 # compatible with the compiler being built. In this case, it
2837 # would be better to flag an error than risking having
2838 # incompatible object files being constructed. We can't
2839 # guarantee that an error will be flagged, but let's hope the
2840 # compiler will do it, when presented with incompatible header
2841 # files.
2842 fi
63266560
DD
2843 fi
2844
0a0d0041 2845 case "${target}-${is_cross_compiler}" in
ec11bdc6 2846 i[[3456789]]86-*-linux*-no)
0a0d0041
TF
2847 # Here host == target, so we don't need to build gcc,
2848 # so we don't want to discard standard headers.
2849 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF
2850 ;;
2851 *)
2852 # If we're building newlib, use its generic headers last, but search
2853 # for any libc-related directories first (so make it the last -B
2854 # switch).
2855 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD
2856
2857 # If we're building libgloss, find the startup file, simulator library
2858 # and linker script.
2859 case " $target_configdirs " in
2860 *" libgloss "*)
2861 # Look for startup file, simulator library and maybe linker script.
2862 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2863 # Look for libnosys.a in case the target needs it.
2864 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2865 # Most targets have the linker script in the source directory.
2866 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2867 ;;
2868 esac
0a0d0041
TF
2869 ;;
2870 esac
9e449d3e 2871 ;;
75205f78
DD
2872 esac
2873 ;;
9e449d3e 2874esac
1f53ca9a 2875
45055374 2876case "$target" in
1f53ca9a
AO
2877 x86_64-*mingw* | *-w64-mingw*)
2878 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2879 # however, use a symlink named 'mingw' in ${prefix} .
2880 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2881 ;;
2882 *-mingw*)
2883 # MinGW can't be handled as Cygwin above since it does not use newlib.
2884 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2885 ;;
45055374 2886esac
63266560 2887
5fbad20a
DD
2888# Allow the user to override the flags for
2889# our build compiler if desired.
c66487f8
NC
2890if test x"${build}" = x"${host}" ; then
2891 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2892 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2893 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2894fi
5fbad20a 2895
63266560
DD
2896# On Canadian crosses, we'll be searching the right directories for
2897# the previously-installed cross compiler, so don't bother to add
2898# flags for directories within the install tree of the compiler
2899# being built; programs in there won't even run.
4d5fd396 2900if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2901 # Search for pre-installed headers if nothing else fits.
bba45b8b 2902 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2903fi
63266560 2904
7c1f909c 2905if test "x${use_gnu_ld}" = x &&
f48556b1 2906 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 2907 # Arrange for us to find uninstalled linker scripts.
b00612cc 2908 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO
2909fi
2910
a481dbb7
DD
2911# Search for other target-specific linker scripts and such.
2912case "${target}" in
4e206d7e
DB
2913 mep*)
2914 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2915 ;;
2916esac
2917
a0da8069 2918# Makefile fragments.
3e707e94
PB
2919for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2920do
2921 eval fragval=\$$frag
2922 if test $fragval != /dev/null; then
2923 eval $frag=${srcdir}/$fragval
2924 fi
2925done
a0da8069
NN
2926AC_SUBST_FILE(host_makefile_frag)
2927AC_SUBST_FILE(target_makefile_frag)
2928AC_SUBST_FILE(alphaieee_frag)
2929AC_SUBST_FILE(ospace_frag)
2930
2931# Miscellanea: directories, flags, etc.
a0da8069 2932AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 2933AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN
2934AC_SUBST(tooldir)
2935AC_SUBST(build_tooldir)
907be67c 2936AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 2937AC_SUBST(GDB_TK)
907be67c 2938AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN
2939
2940# Build module lists & subconfigure args.
a0da8069 2941AC_SUBST(build_configargs)
6a9cf61e 2942AC_SUBST(build_configdirs)
a0da8069
NN
2943
2944# Host module lists & subconfigure args.
2945AC_SUBST(host_configargs)
2946AC_SUBST(configdirs)
911e63d0 2947AC_SUBST(target_configdirs)
a0da8069
NN
2948
2949# Target module lists & subconfigure args.
a0da8069 2950AC_SUBST(target_configargs)
a6df5a19 2951
a0da8069
NN
2952
2953# Build tools.
b5714970
PB
2954AC_SUBST(AR_FOR_BUILD)
2955AC_SUBST(AS_FOR_BUILD)
a0da8069 2956AC_SUBST(CC_FOR_BUILD)
b5714970
PB
2957AC_SUBST(CFLAGS_FOR_BUILD)
2958AC_SUBST(CXXFLAGS_FOR_BUILD)
2959AC_SUBST(CXX_FOR_BUILD)
2960AC_SUBST(DLLTOOL_FOR_BUILD)
2961AC_SUBST(GCJ_FOR_BUILD)
2962AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 2963AC_SUBST(GOC_FOR_BUILD)
b5714970
PB
2964AC_SUBST(LDFLAGS_FOR_BUILD)
2965AC_SUBST(LD_FOR_BUILD)
2966AC_SUBST(NM_FOR_BUILD)
2967AC_SUBST(RANLIB_FOR_BUILD)
2968AC_SUBST(WINDMC_FOR_BUILD)
2969AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 2970
be01d343
PB
2971# Generate default definitions for YACC, M4, LEX and other programs that run
2972# on the build machine. These are used if the Makefile can't locate these
2973# programs in objdir.
2974MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2975
2976AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2977case " $build_configdirs " in
2978 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB
2979esac
2980
2981AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2982case " $build_configdirs " in
2983 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2984esac
2985
2986AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2987case " $build_configdirs " in
2988 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2989esac
2990
2991AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2992case " $build_configdirs " in
2993 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2994 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2995esac
2996
2997AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2998case " $build_configdirs " in
2999 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3000esac
3001
3002AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3003case " $build_configdirs " in
3004 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3005 *)
3006changequote(,)
10ad8ef3 3007 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB
3008 # higher, else we use the "missing" dummy.
3009 if ${MAKEINFO} --version \
10ad8ef3 3010 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB
3011 :
3012 else
3013 MAKEINFO="$MISSING makeinfo"
3014 fi
3015 ;;
3016changequote([,])
3017esac
3018
3019# FIXME: expect and dejagnu may become build tools?
3020
3021AC_CHECK_PROGS(EXPECT, expect, expect)
3022case " $configdirs " in
3023 *" expect "*)
3024 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3025 ;;
3026esac
3027
3028AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3029case " $configdirs " in
3030 *" dejagnu "*)
6b89cc21 3031 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB
3032 ;;
3033esac
3034
3035
a0da8069 3036# Host tools.
05cbd757
PB
3037NCN_STRICT_CHECK_TOOLS(AR, ar)
3038NCN_STRICT_CHECK_TOOLS(AS, as)
3039NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3040NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3041NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3042NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO
3043NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3044NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3045NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3046NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB
3047NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3048NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
a0da8069
NN
3049AC_SUBST(CC)
3050AC_SUBST(CXX)
3051AC_SUBST(CFLAGS)
3052AC_SUBST(CXXFLAGS)
a0da8069 3053
be01d343 3054# Target tools.
2429c060 3055AC_ARG_WITH([build-time-tools],
7837304f
AS
3056 [AS_HELP_STRING([--with-build-time-tools=PATH],
3057 [use given path to find target tools during the build])],
2429c060
PB
3058 [case x"$withval" in
3059 x/*) ;;
3060 *)
3061 with_build_time_tools=
3062 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3063 ;;
3064 esac],
3065 [with_build_time_tools=])
3066
05cbd757
PB
3067NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3068NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB
3069NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3070NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3071NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3072NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB
3073
3074ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3075ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3076ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3077ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3078ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3079ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3080ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3081ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
2429c060
PB
3082ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3083ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3084ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3085
be01d343
PB
3086RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3087
3088GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3089GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3090GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3091dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3092GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
950386c6 3093 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
be01d343
PB
3094 c++)
3095GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3096 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3097 c++)
3098GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3099GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3100GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3101 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3102GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3103 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT
3104GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3105 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB
3106GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3107GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3108GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3109GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3110GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
9b980aa1 3111GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3112GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3113GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3114
be01d343 3115AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3116AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3117
a0da8069
NN
3118# Certain tools may need extra flags.
3119AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3120RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3121NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3122
be01d343
PB
3123# When building target libraries, except in a Canadian cross, we use
3124# the same toolchain as the compiler we just built.
3125COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3126COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3127COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3128if test $host = $build; then
3129 case " $configdirs " in
3130 *" gcc "*)
3131 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3132 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3133 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3134 ;;
3135 esac
3136fi
3137
3138AC_SUBST(COMPILER_AS_FOR_TARGET)
3139AC_SUBST(COMPILER_LD_FOR_TARGET)
3140AC_SUBST(COMPILER_NM_FOR_TARGET)
3141
6b784d9f
AO
3142AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3143AC_ARG_ENABLE(maintainer-mode,
7837304f
AS
3144[AS_HELP_STRING([--enable-maintainer-mode],
3145 [enable make rules and dependencies not useful
3146 (and sometimes confusing) to the casual installer])],
6b784d9f
AO
3147 USE_MAINTAINER_MODE=$enableval,
3148 USE_MAINTAINER_MODE=no)
3149AC_MSG_RESULT($USE_MAINTAINER_MODE)
3150AC_SUBST(MAINTAINER_MODE_TRUE)
3151AC_SUBST(MAINTAINER_MODE_FALSE)
3152if test "$USE_MAINTAINER_MODE" = yes; then
3153 MAINTAINER_MODE_TRUE=
3154 MAINTAINER_MODE_FALSE='#'
3155else
3156 MAINTAINER_MODE_TRUE='#'
3157 MAINTAINER_MODE_FALSE=
3158fi
3159MAINT=$MAINTAINER_MODE_TRUE
3160AC_SUBST(MAINT)dnl
3161
1d39f329
NN
3162# ---------------------
3163# GCC bootstrap support
3164# ---------------------
3165
3166# Stage specific cflags for build.
3167stage1_cflags="-g"
3168case $build in
3169 vax-*-*)
3170 case ${GCC} in
3171 yes) stage1_cflags="-g -Wa,-J" ;;
3172 *) stage1_cflags="-g -J" ;;
3173 esac ;;
1d39f329 3174esac
1d89b610
PB
3175
3176# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
e8a5fa9c 3177if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
1d89b610
PB
3178 saved_CFLAGS="$CFLAGS"
3179
3180 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3181 CFLAGS="$CFLAGS -fkeep-inline-functions"
3182 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2038f525
PB
3183 AC_TRY_COMPILE([
3184#if (__GNUC__ < 3) \
3185 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3186 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3187#error http://gcc.gnu.org/PR29382
3188#endif
3189 ],,
1d89b610
PB
3190 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3191 [AC_MSG_RESULT([no])])
3192
3193 CFLAGS="$saved_CFLAGS"
3194fi
3195
1d39f329
NN
3196AC_SUBST(stage1_cflags)
3197
8a0d8a5c
PB
3198# Enable --enable-checking in stage1 of the compiler.
3199AC_ARG_ENABLE(stage1-checking,
7837304f
AS
3200[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3201 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3202[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3203[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3204 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3205else
5566c1fa 3206 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB
3207fi])
3208AC_SUBST(stage1_checking)
3209
1d39f329 3210# Enable -Werror in bootstrap stage2 and later.
1d39f329 3211AC_ARG_ENABLE(werror,
7837304f
AS
3212[AS_HELP_STRING([--enable-werror],
3213 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3214[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB
3215 enable_werror=yes
3216else
3217 enable_werror=no
3218fi])
1a6f2dc7
NN
3219case ${enable_werror} in
3220 yes) stage2_werror_flag="--enable-werror-always" ;;
3221 *) stage2_werror_flag="" ;;
1d39f329 3222esac
1a6f2dc7 3223AC_SUBST(stage2_werror_flag)
1d39f329 3224
ffdd6afc
ILT
3225# If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3226# --enable-build-with-cxx after stage1.
3227if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3228 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3229else
3230 POSTSTAGE1_CONFIGURE_FLAGS=
3231fi
3232AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3233
e8a5fa9c
RW
3234# Specify what files to not compare during bootstrap.
3235
3236compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3237case "$target" in
3238 hppa*64*-*-hpux*) ;;
3239 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3240esac
1f53ca9a
AO
3241case " $configdirs " in
3242*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3243esac
e8a5fa9c
RW
3244AC_SUBST(compare_exclusions)
3245
06a51eac
RW
3246AC_CONFIG_FILES([Makefile],
3247 [sed "$extrasub_build" Makefile |
3248 sed "$extrasub_host" |
3249 sed "$extrasub_target" > mf$$
3250 mv -f mf$$ Makefile],
3251 [extrasub_build="$extrasub_build"
3252 extrasub_host="$extrasub_host"
3253 extrasub_target="$extrasub_target"])
3254AC_OUTPUT
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