gdb/
[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
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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
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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
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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
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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
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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}`
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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
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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
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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.
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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)
152#
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153target_libraries="target-libgcc \
154 target-libiberty \
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155 target-libgloss \
156 target-newlib \
cff87f51 157 target-libgomp \
b9459e83 158 target-libstdc++-v3 \
4b1cb4fe 159 target-libmudflap \
bb780410 160 target-libssp \
e552509b 161 target-libquadmath \
4b1cb4fe 162 target-libgfortran \
4f0ef2d8 163 target-boehm-gc \
83326456 164 ${libgcj} \
a2592b1b 165 target-libobjc \
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166 target-libada \
167 target-libgo"
252b5132 168
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169# these tools are built using the target libraries, and are intended to
170# run only in the target environment
252b5132 171#
9c14acb8 172# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 173# list belongs in this list.
252b5132 174#
a90ef4bf 175target_tools="target-rda"
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176
177################################################################################
178
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179## All tools belong in one of the four categories, and are assigned above
180## We assign ${configdirs} this way to remove all embedded newlines. This
181## is important because configure will choke if they ever get through.
182## ${configdirs} is directories we build using the host tools.
183## ${target_configdirs} is directories we build using the target tools.
252b5132 184configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 185target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 186build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 187
9cc8ae67 188m4_divert_text([PARSE_ARGS],
6d0cd39e
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189[case $srcdir in
190 *" "*)
191m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193m4_popdef([AS_MESSAGE_LOG_FD])dnl
194 ;;
195esac
196ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
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197])
198
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199################################################################################
200
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201srcname="gnu development package"
202
203# This gets set non-empty for some net releases of packages.
204appdirs=""
205
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206# Define is_cross_compiler to save on calls to 'test'.
207is_cross_compiler=
208if test x"${host}" = x"${target}" ; then
209 is_cross_compiler=no
210else
211 is_cross_compiler=yes
212fi
213
9175bfc0 214# Find the build and target subdir names.
dd12c3a8 215GCC_TOPLEV_SUBDIRS
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216# Be sure to cover against remnants of an in-tree build.
217if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219Use a pristine source tree when building in a separate tree])
220fi
252b5132 221
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222# Skipdirs are removed silently.
223skipdirs=
224# Noconfigdirs are removed loudly.
225noconfigdirs=""
252b5132 226
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227use_gnu_ld=
228# Make sure we don't let GNU ld be added if we didn't want it.
229if test x$with_gnu_ld = xno ; then
230 use_gnu_ld=no
93f9b408 231 noconfigdirs="$noconfigdirs ld gold"
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232fi
233
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234use_gnu_as=
235# Make sure we don't let GNU as be added if we didn't want it.
236if test x$with_gnu_as = xno ; then
237 use_gnu_as=no
238 noconfigdirs="$noconfigdirs gas"
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239fi
240
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241use_included_zlib=
242# Make sure we don't let ZLIB be added if we didn't want it.
243if test x$with_system_zlib = xyes ; then
244 use_included_zlib=no
245 noconfigdirs="$noconfigdirs zlib"
246fi
247
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248# some tools are so dependent upon X11 that if we're not building with X,
249# it's not even worth trying to configure, much less build, that tool.
252b5132 250
f48556b1
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251case ${with_x} in
252 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 253 no)
675c6968 254 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD
255 # We won't be able to build gdbtk without X.
256 enable_gdbtk=no
257 ;;
f48556b1
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258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
259esac
252b5132 260
0377a422 261# Some are only suitable for cross toolchains.
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262# Remove these if host=target.
263cross_only="target-libgloss target-newlib target-opcodes"
252b5132 264
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265case $is_cross_compiler in
266 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 267esac
252b5132 268
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269# If both --with-headers and --with-libs are specified, default to
270# --without-newlib.
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271if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
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273 if test x"${with_newlib}" = x ; then
274 with_newlib=no
275 fi
276fi
277
278# Recognize --with-newlib/--without-newlib.
279case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
282esac
283
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284# Handle --enable-gold, --enable-ld.
285# --disable-gold [--enable-ld]
286# Build only ld. Default option.
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287# --enable-gold [--enable-ld]
288# Build both gold and ld. Install gold as "ld.gold", install ld
289# as "ld.bfd" and "ld".
290# --enable-gold=default [--enable-ld]
c7791212
NC
291# Build both gold and ld. Install gold as "ld.gold" and "ld",
292# install ld as "ld.bfd".
293# --enable-gold[=default] --disable-ld
294# Build only gold, which is then installed as both "ld.gold" and "ld".
295# --enable-gold --enable-ld=default
d3b50760
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296# Build both gold (installed as "ld.gold") and ld (installed as "ld"
297# and ld.bfd).
c7791212
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298# In other words, ld is default
299# --enable-gold=default --enable-ld=default
300# Error.
301
302default_ld=
93f9b408 303AC_ARG_ENABLE(gold,
7837304f
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304[AS_HELP_STRING([[--enable-gold[=ARG]]],
305 [build gold @<:@ARG={default,yes,no}@:>@])],
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306ENABLE_GOLD=$enableval,
307ENABLE_GOLD=no)
c7791212
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308case "${ENABLE_GOLD}" in
309 yes|default)
e6de499b
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310 # Check for ELF target.
311 is_elf=no
312 case "${target}" in
313 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
314 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27
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315 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
316 | *-*-solaris2* | *-*-nto*)
e6de499b
NC
317 case "${target}" in
318 *-*-linux*aout* | *-*-linux*oldld*)
319 ;;
320 *)
321 is_elf=yes
322 ;;
323 esac
324 esac
325
326 if test "$is_elf" = "yes"; then
327 # Check for target supported by gold.
93f9b408 328 case "${target}" in
e6de499b 329 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
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330 configdirs="$configdirs gold"
331 if test x${ENABLE_GOLD} = xdefault; then
332 default_ld=gold
333 fi
e6de499b 334 ENABLE_GOLD=yes
93f9b408
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335 ;;
336 esac
e6de499b
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337 fi
338 ;;
339 no)
340 ;;
341 *)
342 AC_MSG_ERROR([invalid --enable-gold argument])
343 ;;
c7791212
NC
344esac
345
346AC_ARG_ENABLE(ld,
7837304f
AS
347[AS_HELP_STRING([[--enable-ld[=ARG]]],
348 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
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349ENABLE_LD=$enableval,
350ENABLE_LD=yes)
351
352case "${ENABLE_LD}" in
353 default)
d3b50760 354 if test x${default_ld} != x; then
c7791212
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355 AC_MSG_ERROR([either gold or ld can be the default ld])
356 fi
357 ;;
358 yes)
359 ;;
360 no)
361 if test x${ENABLE_GOLD} != xyes; then
362 AC_MSG_WARN([neither ld nor gold are enabled])
363 fi
364 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
365 ;;
366 *)
367 AC_MSG_ERROR([invalid --enable-ld argument])
368 ;;
369esac
93f9b408 370
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371# Configure extra directories which are host specific
372
373case "${host}" in
f48556b1 374 *-cygwin*)
3866be5d 375 configdirs="$configdirs libtermcap" ;;
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376esac
377
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378# A target can indicate whether a language isn't supported for some reason.
379# Only spaces may be used in this macro; not newlines or tabs.
380unsupported_languages=
381
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382# Remove more programs from consideration, based on the host or
383# target this usually means that a port of the program doesn't
384# exist yet.
385
252b5132 386case "${host}" in
3516a403 387 i[[3456789]]86-*-msdosdjgpp*)
6a608608 388 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 389 ;;
252b5132
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390esac
391
4b1cb4fe 392
89a1e9c3
PB
393AC_ARG_ENABLE(libquadmath,
394AS_HELP_STRING([--disable-libquadmath],
395 [do not build libquadmath directory]),
396ENABLE_LIBQUADMATH=$enableval,
397ENABLE_LIBQUADMATH=yes)
398if test "${ENABLE_LIBQUADMATH}" = "no" ; then
399 noconfigdirs="$noconfigdirs target-libquadmath"
400fi
401
402
403AC_ARG_ENABLE(libquadmath-support,
404AS_HELP_STRING([--disable-libquadmath-support],
405 [disable libquadmath support for Fortran]),
406ENABLE_LIBQUADMATH_SUPPORT=$enableval,
407ENABLE_LIBQUADMATH_SUPPORT=yes)
408enable_libquadmath_support=
409if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
410 enable_libquadmath_support=no
411fi
412
413
a2592b1b 414AC_ARG_ENABLE(libada,
7837304f 415[AS_HELP_STRING([--enable-libada], [build libada directory])],
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DD
416ENABLE_LIBADA=$enableval,
417ENABLE_LIBADA=yes)
418if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 419 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD
420fi
421
5f128533 422AC_ARG_ENABLE(libssp,
7837304f 423[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
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424ENABLE_LIBSSP=$enableval,
425ENABLE_LIBSSP=yes)
5f128533 426
96111c10
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427# Save it here so that, even in case of --enable-libgcj, if the Java
428# front-end isn't enabled, we still get libgcj disabled.
429libgcj_saved=$libgcj
430case $enable_libgcj in
431yes)
432 # If we reset it here, it won't get added to noconfigdirs in the
433 # target-specific build rules, so it will be forcibly enabled
434 # (unless the Java language itself isn't enabled).
435 libgcj=
436 ;;
437no)
438 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT
439 # Don't disable libffi, though, other languages use it.
440 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT
441 # Clear libgcj_saved so that even if java is enabled libffi won't be
442 # built.
443 libgcj_saved=
96111c10
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444 ;;
445esac
446
4b1cb4fe 447
a6df5a19
PB
448# Disable libmudflap on some systems.
449if test x$enable_libmudflap = x ; then
3e707e94 450 case "${target}" in
29383458 451 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 452 # Enable libmudflap by default in GNU and friends.
3e707e94
PB
453 ;;
454 *-*-freebsd*)
455 # Enable libmudflap by default in FreeBSD.
456 ;;
457 *)
458 # Disable it by default everywhere else.
459 noconfigdirs="$noconfigdirs target-libmudflap"
460 ;;
461 esac
a6df5a19 462fi
4b1cb4fe 463
a6df5a19
PB
464# Disable libgomp on non POSIX hosted systems.
465if test x$enable_libgomp = x ; then
b3ded179
PB
466 # Enable libgomp by default on hosted POSIX systems.
467 case "${target}" in
29383458 468 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 469 ;;
5b806d27 470 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 471 ;;
1f111696 472 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
b3ded179
PB
473 ;;
474 *-*-darwin* | *-*-aix*)
475 ;;
476 *)
477 noconfigdirs="$noconfigdirs target-libgomp"
478 ;;
479 esac
a6df5a19 480fi
b3ded179 481
065a5627
JM
482# Disable libssp for some systems.
483case "${target}" in
484 avr-*-*)
c5f5c3c2 485 # No hosted I/O support.
065a5627
JM
486 noconfigdirs="$noconfigdirs target-libssp"
487 ;;
488 powerpc-*-aix* | rs6000-*-aix*)
489 noconfigdirs="$noconfigdirs target-libssp"
490 ;;
065a5627
JM
491esac
492
493# Disable target libiberty for some systems.
494case "${target}" in
495 *-*-kaos*)
496 # Remove unsupported stuff on all kaOS configurations.
497 skipdirs="target-libiberty"
498 ;;
499 *-*-netbsd*)
500 # Skip some stuff on all NetBSD configurations.
501 noconfigdirs="$noconfigdirs target-libiberty"
502 ;;
503 *-*-netware*)
504 noconfigdirs="$noconfigdirs target-libiberty"
505 ;;
506 *-*-rtems*)
507 skipdirs="${skipdirs} target-libiberty"
508 ;;
509 *-*-tpf*)
510 noconfigdirs="$noconfigdirs target-libiberty"
511 ;;
512 *-*-vxworks*)
513 noconfigdirs="$noconfigdirs target-libiberty"
514 ;;
515 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
516 noconfigdirs="$noconfigdirs target-libiberty"
517 ;;
518 arm*-*-symbianelf*)
519 noconfigdirs="$noconfigdirs target-libiberty"
520 ;;
521 avr-*-*)
522 noconfigdirs="$noconfigdirs target-libiberty"
523 ;;
524 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
525 noconfigdirs="$noconfigdirs target-libiberty"
526 ;;
527 picochip-*-*)
528 noconfigdirs="$noconfigdirs target-libiberty"
529 ;;
530 mips*-sde-elf*)
531 skipdirs="$skipdirs target-libiberty"
532 ;;
533 ip2k-*-*)
534 noconfigdirs="$noconfigdirs target-libiberty"
535 ;;
536esac
537
538# Disable libstdc++-v3 for some systems.
539case "${target}" in
540 *-*-vxworks*)
541 # VxWorks uses the Dinkumware C++ library.
542 noconfigdirs="$noconfigdirs target-libstdc++-v3"
543 ;;
544 arm*-wince-pe*)
545 # the C++ libraries don't build on top of CE's C libraries
546 noconfigdirs="$noconfigdirs target-libstdc++-v3"
547 ;;
548 avr-*-*)
549 noconfigdirs="$noconfigdirs target-libstdc++-v3"
550 ;;
551esac
552
553# Disable Fortran for some systems.
554case "${target}" in
555 mmix-*-*)
556 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
557 unsupported_languages="$unsupported_languages fortran"
558 ;;
559esac
560
0827f9a6 561# Disable Java if libffi is not supported.
9863d716 562case "${target}" in
0827f9a6
JM
563 alpha*-*-*)
564 ;;
565 arm*-*-*)
566 ;;
567 cris-*-*)
568 ;;
569 frv-*-*)
570 ;;
571 hppa*-*-linux*)
572 ;;
573 hppa*-*-hpux*)
574 ;;
575 i?86-*-*)
576 ;;
577 ia64*-*-*)
578 ;;
579 m32r*-*-*)
580 ;;
581 m68k-*-*)
582 ;;
583 mips-sgi-irix6.* | mips*-*-rtems*)
584 ;;
585 mips*-*-linux*)
586 ;;
587 powerpc*-*-linux*)
588 ;;
589 powerpc-*-darwin*)
590 ;;
591 powerpc-*-aix* | rs6000-*-aix*)
592 ;;
593 powerpc-*-freebsd*)
594 ;;
595 powerpc64-*-freebsd*)
596 ;;
597 powerpc*-*-rtems*)
9863d716 598 ;;
0827f9a6
JM
599 s390-*-* | s390x-*-*)
600 ;;
601 sh-*-* | sh[[34]]*-*-*)
602 ;;
603 sh64-*-* | sh5*-*-*)
604 ;;
605 sparc*-*-*)
606 ;;
607 x86_64-*-*)
608 ;;
609 *-*-*)
610 unsupported_languages="$unsupported_languages java"
611 ;;
612esac
613
614# Disable Java, libgcj or related libraries for some systems.
615case "${target}" in
9863d716
JM
616 powerpc-*-darwin*)
617 ;;
618 i[[3456789]]86-*-darwin*)
619 ;;
620 x86_64-*-darwin[[912]]*)
621 ;;
622 *-*-darwin*)
623 noconfigdirs="$noconfigdirs ${libgcj}"
624 ;;
625 *-*-dragonfly*)
626 ;;
627 *-*-freebsd*)
628 # Skip some stuff that's unsupported on some FreeBSD configurations.
629 case "${target}" in
630 i*86-*-*) ;;
631 alpha*-*-*) ;;
632 x86_64-*-*) ;;
633 *)
634 noconfigdirs="$noconfigdirs ${libgcj}"
635 ;;
636 esac
637 ;;
9863d716
JM
638 *-*-netbsd*)
639 # Skip some stuff that's unsupported on some NetBSD configurations.
640 case "${target}" in
641 i*86-*-netbsdelf*) ;;
642 arm*-*-netbsdelf*) ;;
643 *)
644 noconfigdirs="$noconfigdirs ${libgcj}"
645 ;;
646 esac
647 ;;
648 *-*-netware*)
649 noconfigdirs="$noconfigdirs ${libgcj}"
650 ;;
651 *-*-rtems*)
652 noconfigdirs="$noconfigdirs ${libgcj}"
653 ;;
654 *-*-tpf*)
655 noconfigdirs="$noconfigdirs ${libgcj}"
656 ;;
657 *-*-uclinux*)
658 noconfigdirs="$noconfigdirs ${libgcj}"
659 ;;
660 *-*-vxworks*)
661 noconfigdirs="$noconfigdirs ${libgcj}"
662 ;;
663 alpha*-dec-osf*)
664 ;;
665 alpha*-*-*vms*)
666 noconfigdirs="$noconfigdirs ${libgcj}"
667 ;;
668 alpha*-*-linux*)
669 ;;
670 alpha*-*-*)
671 noconfigdirs="$noconfigdirs ${libgcj}"
672 ;;
9863d716
JM
673 sh-*-linux*)
674 noconfigdirs="$noconfigdirs ${libgcj}"
675 ;;
0827f9a6 676 arm-wince-pe)
9863d716
JM
677 noconfigdirs="$noconfigdirs ${libgcj}"
678 ;;
9863d716
JM
679 arm-*-elf* | arm*-*-eabi* )
680 noconfigdirs="$noconfigdirs target-libffi"
681 ;;
682 arm*-*-linux-gnueabi)
683 ;;
684 arm*-*-symbianelf*)
685 noconfigdirs="$noconfigdirs ${libgcj}"
686 ;;
9863d716 687 bfin-*-*)
9863d716
JM
688 noconfigdirs="$noconfigdirs target-boehm-gc"
689 ;;
9863d716
JM
690 cris-*-* | crisv32-*-*)
691 unsupported_languages="$unsupported_languages java"
692 case "${target}" in
693 *-*-linux*)
694 ;;
695 *) # See PR46792 regarding target-libffi.
696 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
697 esac
698 ;;
9863d716
JM
699 frv-*-*)
700 noconfigdirs="$noconfigdirs ${libgcj}"
701 ;;
9863d716
JM
702 hppa*64*-*-linux*)
703 # In this case, it's because the hppa64-linux target is for
704 # the kernel only at this point and has no libc, and thus no
705 # headers, crt*.o, etc., all of which are needed by these.
706 noconfigdirs="$noconfigdirs target-zlib"
707 ;;
708 hppa*-*-linux*)
709 ;;
9863d716
JM
710 hppa*64*-*-*)
711 noconfigdirs="$noconfigdirs ${libgcj}"
712 ;;
713 hppa*-hp-hpux11*)
714 ;;
9863d716
JM
715 hppa*-*-*)
716 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
717 # build on HP-UX 10.20.
718 noconfigdirs="$noconfigdirs ${libgcj}"
719 ;;
9863d716
JM
720 ia64*-*-elf*)
721 ;;
722 ia64*-**-hpux*)
723 ;;
724 ia64*-*-*vms*)
725 noconfigdirs="$noconfigdirs ${libgcj}"
726 ;;
0827f9a6 727 i[[3456789]]86-*-elf)
9863d716
JM
728 noconfigdirs="$noconfigdirs ${libgcj}"
729 ;;
730 i[[3456789]]86-*-linux*)
731 ;;
732 i[[3456789]]86-w64-mingw*)
733 noconfigdirs="$noconfigdirs ${libgcj}"
734 ;;
735 i[[3456789]]86-*-mingw*)
736 noconfigdirs="$noconfigdirs ${libgcj}"
737 ;;
738 x86_64-*-mingw*)
739 noconfigdirs="$noconfigdirs ${libgcj}"
740 ;;
741 *-*-cygwin*)
742 ;;
743 i[[3456789]]86-*-interix* )
744 ;;
9863d716
JM
745 i[[3456789]]86-*-solaris2*)
746 ;;
9863d716
JM
747 m32r-*-*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
9863d716
JM
750 m68k-*-elf*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 m68*-*-* | fido-*-*)
754 ;;
755 mmix-*-*)
756 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM
757 ;;
758 powerpc-*-aix*)
759 # copied from rs6000-*-* entry
760 noconfigdirs="$noconfigdirs ${libgcj}"
761 ;;
9863d716
JM
762 powerpc-*-eabi)
763 noconfigdirs="$noconfigdirs ${libgcj}"
764 ;;
765 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
766 ;;
9863d716
JM
767 rs6000-*-aix*)
768 noconfigdirs="$noconfigdirs ${libgcj}"
769 ;;
9863d716
JM
770 mips*-*-irix6*)
771 # Linking libjava exceeds command-line length limits on at least
772 # IRIX 6.2, but not on IRIX 6.5.
773 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
774 # <oldham@codesourcery.com>
775 noconfigdirs="$noconfigdirs ${libgcj}"
776 ;;
9863d716
JM
777 mips*-*-linux*)
778 ;;
779 mips*-*-*)
780 noconfigdirs="$noconfigdirs ${libgcj}"
781 ;;
782 sh-*-* | sh64-*-*)
783 noconfigdirs="$noconfigdirs ${libgcj}"
784 ;;
9863d716
JM
785 sparc-*-elf*)
786 noconfigdirs="$noconfigdirs ${libgcj}"
787 ;;
788 sparc64-*-elf*)
789 noconfigdirs="$noconfigdirs ${libgcj}"
790 ;;
9863d716
JM
791 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
792 ;;
9863d716
JM
793 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
794 ;;
795 *-*-lynxos*)
796 noconfigdirs="$noconfigdirs ${libgcj}"
797 ;;
798 *-*-*)
799 noconfigdirs="$noconfigdirs ${libgcj}"
800 ;;
801esac
802
691bb5a1
DD
803# Default libgloss CPU subdirectory.
804libgloss_dir="$target_cpu"
4b1cb4fe 805
252b5132 806case "${target}" in
75205f78 807 *-*-chorusos)
b2f14e4a 808 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 809 ;;
24741ab2 810 powerpc-*-darwin*)
9d39db92 811 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 812 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 813 ;;
85bd1942
TG
814 i[[3456789]]86-*-darwin*)
815 noconfigdirs="$noconfigdirs ld gprof"
816 noconfigdirs="$noconfigdirs sim target-rda"
817 ;;
e8a5fa9c 818 x86_64-*-darwin[[912]]*)
652dec25
TG
819 noconfigdirs="$noconfigdirs ld gas gprof"
820 noconfigdirs="$noconfigdirs sim target-rda"
821 ;;
04d1ab34 822 *-*-darwin*)
d320aacb 823 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 824 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 825 ;;
5b806d27
NC
826 *-*-dragonfly*)
827 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
828 ;;
de0b4a87 829 *-*-freebsd*)
4b1cb4fe
DD
830 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
831 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
832 && test -f /usr/local/include/gmp.h; then
833 with_gmp=/usr/local
834 fi
4b1cb4fe 835 ;;
f8a495c8
NC
836 *-*-kaos*)
837 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC
838 noconfigdirs="$noconfigdirs target-libgloss"
839 ;;
e82380cc
JT
840 *-*-netbsd*)
841 # Skip some stuff on all NetBSD configurations.
065a5627 842 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
e82380cc 843 ;;
2a3124ca 844 *-*-netware*)
9863d716 845 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH
846 ;;
847 *-*-rtems*)
9863d716 848 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 849 ;;
1587117a
EC
850 # The tpf target doesn't support gdb yet.
851 *-*-tpf*)
9863d716 852 noconfigdirs="$noconfigdirs target-newlib target-libgloss gdb tcl tk libgui itcl"
1587117a 853 ;;
c1968181 854 *-*-uclinux*)
9863d716 855 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda"
c1968181 856 ;;
252b5132 857 *-*-vxworks*)
9863d716 858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH
859 ;;
860 alpha*-dec-osf*)
e99daf2b 861 # ld works, but does not support shared libraries.
0377a422 862 # newlib is not 64 bit ready.
252b5132 863 # gas doesn't generate exception information.
0377a422 864 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
252b5132
RH
865 ;;
866 alpha*-*-*vms*)
9863d716 867 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78
DD
868 ;;
869 alpha*-*-linux*)
870 # newlib is not 64 bit ready
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH
872 ;;
873 alpha*-*-*)
874 # newlib is not 64 bit ready
9863d716 875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 876 ;;
4a18bd6b 877 am33_2.0-*-linux*)
9863d716 878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
4a18bd6b 879 ;;
75205f78 880 sh-*-linux*)
9863d716 881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 882 ;;
2fb651f6 883 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 884 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
ae03d6e2 885 noconfigdirs="$noconfigdirs target-newlib"
691bb5a1 886 libgloss_dir=wince
2fb651f6 887 ;;
252b5132 888 arc-*-*)
782cb41f 889 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 890 ;;
93cc359e 891 arm-*-coff)
691bb5a1 892 libgloss_dir=arm
f03b4789 893 ;;
93cc359e 894 arm-*-elf* | arm*-*-eabi* )
691bb5a1 895 libgloss_dir=arm
f03b4789 896 ;;
bd70a46f 897 arm*-*-linux-gnueabi)
a5b3b4dd
DD
898 case ${with_newlib} in
899 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
900 esac
691bb5a1 901 libgloss_dir=arm
bd70a46f 902 ;;
df4a6958 903 arm*-*-symbianelf*)
691bb5a1 904 libgloss_dir=arm
df4a6958 905 ;;
252b5132 906 arm-*-pe*)
9863d716 907 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 908 ;;
252b5132 909 arm-*-riscix*)
b2f14e4a 910 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 911 ;;
c95f53ae 912 avr-*-*)
c95f53ae 913 ;;
376a0e54 914 bfin-*-*)
376a0e54 915 ;;
ff72e302 916 c4x-*-* | tic4x-*-*)
b2f14e4a 917 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 918 ;;
b2f14e4a
JM
919 tic54x-*-*)
920 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 921 ;;
52310858 922 cr16-*-*)
9863d716 923 noconfigdirs="$noconfigdirs gdb"
52310858 924 ;;
c7e66c6d
HPN
925 cris-*-* | crisv32-*-*)
926 case "${target}" in
2faa2958 927 *-*-linux*)
5e818318 928 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
c7e66c6d 929 esac
691bb5a1 930 libgloss_dir=cris
077b8428 931 ;;
252b5132 932 d10v-*-*)
b2f14e4a 933 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 934 ;;
252b5132 935 d30v-*-*)
b2f14e4a 936 noconfigdirs="$noconfigdirs gdb"
252b5132 937 ;;
252b5132 938 fr30-*-elf*)
9863d716 939 noconfigdirs="$noconfigdirs gdb"
252b5132 940 ;;
d2a86414 941 frv-*-*)
d2a86414 942 ;;
20135e4c 943 moxie-*-*)
20135e4c
NC
944 noconfigdirs="$noconfigdirs gprof"
945 ;;
dd1e52a4 946 h8300*-*-*)
9863d716 947 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 948 ;;
252b5132 949 h8500-*-*)
b2f14e4a 950 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 951 ;;
caeba88f 952 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 953 ;;
93cc359e 954 hppa*64*-*-linux*)
252b5132 955 ;;
f0ff0f90 956 hppa*-*-linux*)
5dcac624 957 ;;
252b5132 958 hppa*-*-*elf* | \
09e90eb4 959 hppa*-*-lites* | \
17240c1f 960 hppa*-*-openbsd* | \
09e90eb4 961 hppa*64*-*-*)
4f0ef2d8
CD
962 ;;
963 hppa*-hp-hpux11*)
0377a422 964 noconfigdirs="$noconfigdirs ld"
252b5132 965 ;;
691bb5a1
DD
966 hppa*-*-pro*)
967 libgloss_dir=pa
968 ;;
252b5132 969 hppa*-*-*)
9863d716 970 noconfigdirs="$noconfigdirs ld"
252b5132 971 ;;
b07c2aad 972 i960-*-*)
b2f14e4a 973 noconfigdirs="$noconfigdirs gdb"
b07c2aad 974 ;;
2315914d
JW
975 ia64*-*-elf*)
976 # No gdb support yet.
0377a422 977 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 978 ;;
a0c1c920 979 ia64*-**-hpux*)
92c9a463 980 # No ld support yet.
9863d716 981 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 982 ;;
19e99079
NC
983 ia64*-*-*vms*)
984 # No gdb or ld support yet.
9863d716 985 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
19e99079 986 ;;
ec11bdc6 987 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
691bb5a1 988 libgloss_dir=i386
252b5132 989 ;;
ec11bdc6 990 i[[3456789]]86-*-linux*)
c72f388d
TF
991 # This section makes it possible to build newlib natively on linux.
992 # If we are using a cross compiler then don't configure newlib.
a018e15b 993 if test x${is_cross_compiler} != xno ; then
bba45b8b 994 noconfigdirs="$noconfigdirs target-newlib"
c72f388d
TF
995 fi
996 noconfigdirs="$noconfigdirs target-libgloss"
997 # If we are not using a cross compiler, do configure newlib.
998 # Note however, that newlib will only be configured in this situation
999 # if the --with-newlib option has been given, because otherwise
1000 # 'target-newlib' will appear in skipdirs.
c72f388d 1001 ;;
1f53ca9a 1002 i[[3456789]]86-w64-mingw*)
9863d716 1003 noconfigdirs="$noconfigdirs target-libgloss target-newlib"
1f53ca9a
AO
1004 ;;
1005 i[[3456789]]86-*-mingw*)
45055374 1006 target_configdirs="$target_configdirs target-winsup"
9863d716 1007 noconfigdirs="$noconfigdirs target-libgloss target-newlib"
1f53ca9a 1008 ;;
80f6dcbc 1009 x86_64-*-mingw*)
9863d716 1010 noconfigdirs="$noconfigdirs target-libgloss target-newlib"
1f53ca9a 1011 ;;
252b5132
RH
1012 *-*-cygwin*)
1013 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 1014 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 1015 # always build newlib if winsup directory is present.
45055374 1016 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 1017 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 1018 elif test -d "$srcdir/newlib"; then
45055374 1019 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 1020 fi
1f53ca9a 1021 ;;
f0ff0f90 1022 i[[3456789]]86-*-interix* )
caeba88f 1023 ;;
ec11bdc6 1024 i[[3456789]]86-*-pe)
782cb41f 1025 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1026 ;;
ec11bdc6 1027 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH
1028 # The linker does not yet know about weak symbols in COFF,
1029 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 1030 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 1031 ;;
ec11bdc6 1032 i[[3456789]]86-*-sco*)
b2f14e4a 1033 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1034 ;;
ec11bdc6 1035 i[[3456789]]86-*-solaris2*)
252b5132
RH
1036 noconfigdirs="$noconfigdirs target-libgloss"
1037 ;;
ec11bdc6 1038 i[[3456789]]86-*-sysv4*)
b2f14e4a 1039 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1040 ;;
ec11bdc6 1041 i[[3456789]]86-*-beos*)
b2f14e4a 1042 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
bba45b8b 1043 ;;
b59bea8a 1044 i[[3456789]]86-*-rdos*)
80911fe1
PB
1045 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1046 ;;
b07c2aad 1047 m32r-*-*)
b07c2aad 1048 ;;
75205f78 1049 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
691bb5a1 1050 libgloss_dir=m68hc11
f9e0997d 1051 ;;
75205f78 1052 m68k-*-elf*)
252b5132 1053 ;;
691bb5a1
DD
1054 m68*-*-* | fido-*-*)
1055 libgloss_dir=m68k
1056 ;;
75205f78 1057 mmix-*-*)
9863d716 1058 noconfigdirs="$noconfigdirs gdb"
75205f78 1059 ;;
4970f871 1060 mt-*-*)
cdb9b172
AH
1061 noconfigdirs="$noconfigdirs sim"
1062 ;;
252b5132
RH
1063 powerpc-*-aix*)
1064 # copied from rs6000-*-* entry
9863d716 1065 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib"
252b5132 1066 ;;
93cc359e 1067 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1068 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1069 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH
1070 # always build newlib.
1071 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1072 ;;
1073 # This is temporary until we can link against shared libraries
1074 powerpcle-*-solaris*)
b2f14e4a 1075 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
691bb5a1 1076 libgloss_dir=rs6000
ba73c63f
JM
1077 ;;
1078 powerpc-*-beos*)
b2f14e4a 1079 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH
1080 ;;
1081 powerpc-*-eabi)
691bb5a1 1082 libgloss_dir=rs6000
caeba88f
AL
1083 ;;
1084 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
691bb5a1 1085 libgloss_dir=rs6000
252b5132
RH
1086 ;;
1087 rs6000-*-lynxos*)
9863d716 1088 noconfigdirs="$noconfigdirs target-newlib gprof"
252b5132
RH
1089 ;;
1090 rs6000-*-aix*)
9863d716 1091 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib"
252b5132
RH
1092 ;;
1093 rs6000-*-*)
9863d716 1094 noconfigdirs="$noconfigdirs gprof"
252b5132
RH
1095 ;;
1096 m68k-apollo-*)
b2f14e4a 1097 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1098 ;;
25a07265 1099 microblaze*)
9863d716 1100 noconfigdirs="$noconfigdirs gprof"
25a07265 1101 ;;
5bd8be13 1102 mips*-sde-elf*)
5bd8be13
RS
1103 if test x$with_newlib = xyes; then
1104 noconfigdirs="$noconfigdirs gprof"
1105 fi
1106 libgloss_dir=mips
1107 ;;
252b5132 1108 mips*-*-irix5*)
b2f14e4a 1109 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH
1110 ;;
1111 mips*-*-irix6*)
9863d716 1112 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1113 ;;
252b5132 1114 mips*-*-bsd*)
b2f14e4a 1115 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1116 ;;
fad93c55 1117 mips*-*-linux*)
574e6d11 1118 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
fad93c55 1119 ;;
252b5132 1120 mips*-*-*)
9863d716 1121 noconfigdirs="$noconfigdirs gprof"
691bb5a1 1122 libgloss_dir=mips
252b5132 1123 ;;
dbf85af7 1124 sh-*-* | sh64-*-*)
e8a5fa9c
RW
1125 case "${target}" in
1126 sh*-*-elf)
9863d716 1127 ;;
e8a5fa9c 1128 *)
9863d716 1129 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1130 esac
252b5132 1131 ;;
691bb5a1
DD
1132 sparclet-*-aout* | sparc86x-*-*)
1133 libgloss_dir=sparc
1134 ;;
252b5132 1135 sparc-*-elf*)
252b5132
RH
1136 ;;
1137 sparc64-*-elf*)
691bb5a1 1138 libgloss_dir=sparc
252b5132
RH
1139 ;;
1140 sparclite-*-*)
691bb5a1 1141 libgloss_dir=sparc
252b5132
RH
1142 ;;
1143 sparc-*-sunos4*)
a0c4f3a0 1144 if test x${is_cross_compiler} != xno ; then
c74222f7 1145 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH
1146 else
1147 use_gnu_ld=no
1148 fi
1149 ;;
3a036cdc 1150 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
b3ed1d6b 1151 ;;
619a3713 1152 tic6x-*-*)
9863d716 1153 noconfigdirs="$noconfigdirs gdb sim"
619a3713 1154 ;;
252b5132 1155 v810-*-*)
b2f14e4a 1156 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH
1157 ;;
1158 vax-*-*)
9863d716 1159 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1160 ;;
29383458 1161 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
574e6d11
DD
1162 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1163 ;;
252b5132 1164 *-*-lynxos*)
9863d716 1165 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 1166 ;;
75205f78 1167 *-*-*)
75205f78 1168 ;;
252b5132
RH
1169esac
1170
1171# If we aren't building newlib, then don't build libgloss, since libgloss
1172# depends upon some newlib header files.
1173case "${noconfigdirs}" in
1174 *target-libgloss*) ;;
1175 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1176esac
252b5132 1177
f48556b1 1178# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1179host_makefile_frag=/dev/null
f48556b1
DD
1180if test -d ${srcdir}/config ; then
1181case "${host}" in
ec11bdc6 1182 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD
1183 host_makefile_frag="config/mh-djgpp"
1184 ;;
1185 *-cygwin*)
e33b51a6 1186 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD
1187 host_makefile_frag="config/mh-cygwin"
1188 ;;
8a1599ab 1189 *-mingw*)
84e7906e 1190 host_makefile_frag="config/mh-mingw"
80f6dcbc 1191 ;;
f48556b1
DD
1192 *-interix*)
1193 host_makefile_frag="config/mh-interix"
1194 ;;
da888c87 1195 hppa*-hp-hpux10*)
da888c87 1196 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1197 ;;
3516a403 1198 hppa*-hp-hpux*)
da888c87
PB
1199 host_makefile_frag="config/mh-pa"
1200 ;;
1201 hppa*-*)
1202 host_makefile_frag="config/mh-pa"
1203 ;;
e552509b
ILT
1204 *-*-darwin*)
1205 host_makefile_frag="config/mh-darwin"
0df3d27f 1206 ;;
f6d183c0
PB
1207 powerpc-*-aix*)
1208 host_makefile_frag="config/mh-ppc-aix"
1209 ;;
1210 rs6000-*-aix*)
1211 host_makefile_frag="config/mh-ppc-aix"
1212 ;;
f48556b1
DD
1213esac
1214fi
1215
9e07f89d 1216if test "${build}" != "${host}" ; then
b5714970
PB
1217 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1218 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1219 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB
1220 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1221 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1222 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1223 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB
1224 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1225 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1226 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1227 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1228 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1229 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1230else
b5714970
PB
1231 AR_FOR_BUILD="\$(AR)"
1232 AS_FOR_BUILD="\$(AS)"
9e07f89d 1233 CC_FOR_BUILD="\$(CC)"
b5714970
PB
1234 CXX_FOR_BUILD="\$(CXX)"
1235 GCJ_FOR_BUILD="\$(GCJ)"
1236 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1237 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB
1238 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1239 LD_FOR_BUILD="\$(LD)"
1240 NM_FOR_BUILD="\$(NM)"
1241 RANLIB_FOR_BUILD="\$(RANLIB)"
1242 WINDRES_FOR_BUILD="\$(WINDRES)"
1243 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1244fi
9e07f89d 1245
24ff9987
DJ
1246AC_PROG_CC
1247AC_PROG_CXX
1248
1249# We must set the default linker to the linker used by gcc for the correct
1250# operation of libtool. If LD is not defined and we are using gcc, try to
1251# set the LD default to the ld used by gcc.
1252if test -z "$LD"; then
1253 if test "$GCC" = yes; then
1254 case $build in
1255 *-*-mingw*)
1256 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1257 *)
1258 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1259 esac
1260 case $gcc_prog_ld in
1261 # Accept absolute paths.
1262 [[\\/]* | [A-Za-z]:[\\/]*)]
1263 LD="$gcc_prog_ld" ;;
1264 esac
1265 fi
9e07f89d
NN
1266fi
1267
1268ACX_PROG_GNAT
b8908782 1269ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1270
e8a5fa9c
RW
1271# See if we are building gcc with C++.
1272AC_ARG_ENABLE(build-with-cxx,
7837304f
AS
1273[AS_HELP_STRING([--enable-build-with-cxx],
1274 [build with C++ compiler instead of C compiler])],
e8a5fa9c
RW
1275ENABLE_BUILD_WITH_CXX=$enableval,
1276ENABLE_BUILD_WITH_CXX=no)
1277
d5f2ee2e
KG
1278# Used for setting $lt_cv_objdir
1279_LT_CHECK_OBJDIR
1280
e8a5fa9c 1281# Check for GMP, MPFR and MPC
d9b76ff9 1282gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1283gmpinc=
4b900473 1284have_gmp=no
e8a5fa9c
RW
1285
1286# Specify a location for mpc
1287# check for this first so it ends up on the link line before mpfr.
7837304f
AS
1288AC_ARG_WITH(mpc,
1289[AS_HELP_STRING([--with-mpc=PATH],
1290 [specify prefix directory for installed MPC package.
1291 Equivalent to --with-mpc-include=PATH/include
1292 plus --with-mpc-lib=PATH/lib])])
1293AC_ARG_WITH(mpc-include,
1294[AS_HELP_STRING([--with-mpc-include=PATH],
1295 [specify directory for installed MPC include files])])
1296AC_ARG_WITH(mpc-lib,
1297[AS_HELP_STRING([--with-mpc-lib=PATH],
1298 [specify directory for the installed MPC library])])
e8a5fa9c
RW
1299
1300if test "x$with_mpc" != x; then
d9b76ff9
KG
1301 gmplibs="-L$with_mpc/lib $gmplibs"
1302 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW
1303fi
1304if test "x$with_mpc_include" != x; then
d9b76ff9 1305 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW
1306fi
1307if test "x$with_mpc_lib" != x; then
d9b76ff9 1308 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW
1309fi
1310if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1311 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1312 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW
1313 # Do not test the mpc version. Assume that it is sufficient, since
1314 # it is in the source tree, and the library has not been built yet
1315 # but it would be included on the link line in the version check below
1316 # hence making the test fail.
d9b76ff9 1317 have_gmp=yes
e8a5fa9c 1318fi
4b900473 1319
11b04d1f
DD
1320# Specify a location for mpfr
1321# check for this first so it ends up on the link line before gmp.
7837304f
AS
1322AC_ARG_WITH(mpfr-dir,
1323[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1324[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1325Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1326
1327AC_ARG_WITH(mpfr,
1328[AS_HELP_STRING([--with-mpfr=PATH],
1329 [specify prefix directory for installed MPFR package.
1330 Equivalent to --with-mpfr-include=PATH/include
1331 plus --with-mpfr-lib=PATH/lib])])
1332AC_ARG_WITH(mpfr-include,
1333[AS_HELP_STRING([--with-mpfr-include=PATH],
1334 [specify directory for installed MPFR include files])])
1335AC_ARG_WITH(mpfr-lib,
1336[AS_HELP_STRING([--with-mpfr-lib=PATH],
1337 [specify directory for the installed MPFR library])])
11b04d1f
DD
1338
1339if test "x$with_mpfr" != x; then
1340 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1341 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1342fi
8a0d8a5c 1343if test "x$with_mpfr_include" != x; then
d9b76ff9 1344 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB
1345fi
1346if test "x$with_mpfr_lib" != x; then
1347 gmplibs="-L$with_mpfr_lib $gmplibs"
1348fi
4b900473 1349if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
d5f2ee2e 1350 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
4b900473 1351 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
d5f2ee2e 1352 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
4b900473
PB
1353 # Do not test the mpfr version. Assume that it is sufficient, since
1354 # it is in the source tree, and the library has not been built yet
1355 # but it would be included on the link line in the version check below
1356 # hence making the test fail.
1357 have_gmp=yes
1358fi
11b04d1f 1359
4b1cb4fe 1360# Specify a location for gmp
7837304f
AS
1361AC_ARG_WITH(gmp-dir,
1362[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1363[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1364Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1365
1366AC_ARG_WITH(gmp,
1367[AS_HELP_STRING([--with-gmp=PATH],
1368 [specify prefix directory for the installed GMP package.
1369 Equivalent to --with-gmp-include=PATH/include
1370 plus --with-gmp-lib=PATH/lib])])
1371AC_ARG_WITH(gmp-include,
1372[AS_HELP_STRING([--with-gmp-include=PATH],
1373 [specify directory for installed GMP include files])])
1374AC_ARG_WITH(gmp-lib,
1375[AS_HELP_STRING([--with-gmp-lib=PATH],
1376 [specify directory for the installed GMP library])])
4b1cb4fe 1377
4b1cb4fe 1378
11b04d1f
DD
1379if test "x$with_gmp" != x; then
1380 gmplibs="-L$with_gmp/lib $gmplibs"
1381 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1382fi
8a0d8a5c
PB
1383if test "x$with_gmp_include" != x; then
1384 gmpinc="-I$with_gmp_include $gmpinc"
1385fi
1386if test "x$with_gmp_lib" != x; then
1387 gmplibs="-L$with_gmp_lib $gmplibs"
1388fi
4b900473 1389if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1390 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1391 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1392 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1393 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
4b900473
PB
1394 # Do not test the gmp version. Assume that it is sufficient, since
1395 # it is in the source tree, and the library has not been built yet
1396 # but it would be included on the link line in the version check below
1397 # hence making the test fail.
1398 have_gmp=yes
1399fi
4b1cb4fe 1400
ceb92e78 1401if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB
1402 have_gmp=yes
1403 saved_CFLAGS="$CFLAGS"
1404 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG
1405 # Check for the recommended and required versions of GMP.
1406 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1407 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG
1408 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1409 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1410 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
9dbaa842 1411 choke me
4b900473 1412 #endif
a009f2e7 1413 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG
1414 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1415 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1416 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1417 choke me
1418 #endif
a009f2e7 1419 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1420 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1421
e8a5fa9c 1422 # If we have GMP, check the MPFR version.
4b900473 1423 if test x"$have_gmp" = xyes; then
a6b5846e
KG
1424 # Check for the recommended and required versions of MPFR.
1425 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1426 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1427 #include <mpfr.h>],[
ef699244 1428 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
4b900473
PB
1429 choke me
1430 #endif
a009f2e7 1431 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1432 #include <mpfr.h>],[
a6b5846e 1433 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW
1434 choke me
1435 #endif
a009f2e7 1436 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW
1437 [AC_MSG_RESULT([no]); have_gmp=no])
1438 fi
1439
1440 # Check for the MPC header version.
d9b76ff9 1441 if test x"$have_gmp" = xyes ; then
a6b5846e 1442 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW
1443 AC_MSG_CHECKING([for the correct version of mpc.h])
1444 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1445 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW
1446 choke me
1447 #endif
a009f2e7 1448 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG
1449 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1450 choke me
1451 #endif
a009f2e7 1452 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1453 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW
1454 fi
1455
1456 # Now check the MPFR library.
1457 if test x"$have_gmp" = xyes; then
1458 saved_LIBS="$LIBS"
1459 LIBS="$LIBS $gmplibs"
d9b76ff9
KG
1460 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1461 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD
1462 mpfr_t n;
1463 mpfr_t x;
d9b76ff9 1464 mpc_t c;
4b900473 1465 int t;
a3ca38d2
DD
1466 mpfr_init (n);
1467 mpfr_init (x);
4b900473
PB
1468 mpfr_atan2 (n, n, x, GMP_RNDN);
1469 mpfr_erfc (n, x, GMP_RNDN);
1470 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG
1471 mpfr_clear(n);
1472 mpfr_clear(x);
1473 mpc_init2 (c, 53);
1474 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1475 mpc_cosh (c, c, MPC_RNDNN);
1476 mpc_pow (c, c, c, MPC_RNDNN);
1477 mpc_acosh (c, c, MPC_RNDNN);
1478 mpc_clear (c);
e8a5fa9c
RW
1479 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1480 LIBS="$saved_LIBS"
4b900473 1481 fi
e8a5fa9c 1482
4b900473 1483 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1484
a6b5846e
KG
1485# The library versions listed in the error message below should match
1486# the HARD-minimums enforced above.
4b900473 1487 if test x$have_gmp != xyes; then
a6b5846e 1488 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
d9b76ff9
KG
1489Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1490their locations. Source code for these libraries can be found at
1491their respective hosting sites as well as at
1492ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1493http://gcc.gnu.org/install/prerequisites.html for additional info. If
1494you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1495make sure that you have installed both the libraries and the header
1496files. They may be located in separate packages.])
4b900473 1497 fi
9dbaa842
DD
1498fi
1499
e8a5fa9c 1500# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD
1501AC_SUBST(gmplibs)
1502AC_SUBST(gmpinc)
e8a5fa9c
RW
1503AC_SUBST(extra_mpfr_configure_flags)
1504AC_SUBST(extra_mpc_gmp_configure_flags)
1505AC_SUBST(extra_mpc_mpfr_configure_flags)
4b1cb4fe 1506
29383458 1507# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS
1508AC_ARG_WITH(host-libstdcxx,
1509[AS_HELP_STRING([--with-host-libstdcxx=L],
1510 [use linker arguments L to link with libstdc++
1511 when linking with PPL])])
29383458
JM
1512
1513case $with_host_libstdcxx in
1514 no|yes)
1515 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1516 ;;
1517esac
e28c595f 1518
e8a5fa9c
RW
1519# Linker flags to use for stage1 or when not boostrapping.
1520AC_ARG_WITH(stage1-ldflags,
7837304f 1521[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
e8a5fa9c
RW
1522[if test "$withval" = "no" -o "$withval" = "yes"; then
1523 stage1_ldflags=
1524 else
1525 stage1_ldflags=$withval
1526 fi],
1527[stage1_ldflags=])
1528AC_SUBST(stage1_ldflags)
1529
1530# Libraries to use for stage1 or when not bootstrapping.
1531AC_ARG_WITH(stage1-libs,
7837304f 1532[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW
1533[if test "$withval" = "no" -o "$withval" = "yes"; then
1534 stage1_libs=
1535 else
1536 stage1_libs=$withval
1537 fi],
1538[stage1_libs=$with_host_libstdcxx])
1539AC_SUBST(stage1_libs)
1540
e8a5fa9c
RW
1541# Libraries to use for stage2 and later builds. This defaults to the
1542# argument passed to --with-host-libstdcxx.
1543AC_ARG_WITH(boot-libs,
7837304f 1544[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW
1545[if test "$withval" = "no" -o "$withval" = "yes"; then
1546 poststage1_libs=
1547 else
1548 poststage1_libs=$withval
1549 fi],
1550[poststage1_libs=$with_host_libstdcxx])
1551AC_SUBST(poststage1_libs)
1552
143754cd
NC
1553# Linker flags to use for stage2 and later builds.
1554AC_ARG_WITH(boot-ldflags,
7837304f
AS
1555[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1556 [linker flags for stage2 and later])],
143754cd
NC
1557[if test "$withval" = "no" -o "$withval" = "yes"; then
1558 poststage1_ldflags=
1559 else
1560 poststage1_ldflags=$withval
1561 fi],
1562[poststage1_ldflags=
4f11b223
ILT
1563 # In stages 2 and 3, default to linking libstdc++ and libgcc
1564 # statically. But if the user explicitly specified the libraries to
1565 # use, trust that they are doing what they want.
1566 if test "$poststage1_libs" = ""; then
143754cd
NC
1567 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1568 fi])
1569AC_SUBST(poststage1_ldflags)
1570
e28c595f 1571# Check for PPL
b123da99 1572ppllibs=
e28c595f 1573pplinc=
b123da99 1574pwllib=
e28c595f 1575
7837304f
AS
1576AC_ARG_WITH(ppl,
1577[AS_HELP_STRING([--with-ppl=PATH],
1578 [specify prefix directory for the installed PPL package.
1579 Equivalent to --with-ppl-include=PATH/include
1580 plus --with-ppl-lib=PATH/lib])])
1581AC_ARG_WITH(ppl-include,
1582[AS_HELP_STRING([--with-ppl-include=PATH],
1583 [specify directory for installed PPL include files])])
1584AC_ARG_WITH(ppl-lib,
1585[AS_HELP_STRING([--with-ppl-lib=PATH],
1586 [specify directory for the installed PPL library])])
e28c595f 1587
b123da99
SP
1588AC_ARG_ENABLE(ppl-version-check,
1589[AS_HELP_STRING([--disable-ppl-version-check],
1590 [disable check for PPL version])])
1591
1592case $with_ppl in
1593 yes | no | "")
1f53ca9a 1594 ;;
29383458 1595 *)
b123da99 1596 ppllibs="-L$with_ppl/lib"
29383458 1597 pplinc="-I$with_ppl/include $pplinc"
b123da99
SP
1598 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1599 with_ppl=yes
1600 else
1601 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1602 fi
29383458
JM
1603 ;;
1604esac
b123da99
SP
1605
1606if test x"$with_ppl_include" != x; then
e28c595f 1607 pplinc="-I$with_ppl_include $pplinc"
b123da99 1608 with_ppl=yes
e28c595f 1609fi
b123da99 1610
e28c595f 1611if test "x$with_ppl_lib" != x; then
b123da99
SP
1612 ppllibs="-L$with_ppl_lib"
1613 with_ppl=yes
e28c595f 1614fi
b123da99
SP
1615
1616if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1617 if test x"$enable_watchdog" = xyes; then
1618 pwllib="-lpwl"
1619 fi
1620 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1f53ca9a
AO
1621 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1622 enable_ppl_version_check=no
b123da99 1623 with_ppl=yes
e28c595f
JM
1624fi
1625
86ed8cf6 1626if test "x$with_ppl" != xno; then
b123da99 1627 if test "x$pwllib" = x; then
0e8ad34f
RO
1628 saved_LIBS="$LIBS"
1629 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1630 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1631 LIBS="$saved_LIBS"
b123da99 1632 fi
e28c595f 1633
b123da99
SP
1634 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1635
1636 if test "$enable_ppl_version_check" != no; then
1637 saved_CFLAGS="$CFLAGS"
1638 CFLAGS="$CFLAGS $pplinc $gmpinc"
1639 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1640 AC_TRY_COMPILE([#include "ppl_c.h"],[
1641 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1642 choke me
1643 #endif
1644 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1645 CFLAGS="$saved_CFLAGS"
1646 fi
e28c595f
JM
1647fi
1648
1649# Flags needed for PPL
1650AC_SUBST(ppllibs)
1651AC_SUBST(pplinc)
1652
1653
1654# Check for CLOOG
e28c595f 1655
e552509b
ILT
1656dnl Provide configure switches and initialize clooginc & clooglibs
1657dnl with user input.
1658CLOOG_INIT_FLAGS
1f53ca9a 1659if test "x$with_ppl" = "xno"; then
8d8eef9a
RW
1660 dnl Only execute fail-action, if CLooG has been requested.
1661 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1662 if test "${graphite_requested}" = yes; then
1663 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1664 fi
1f53ca9a
AO
1665 with_cloog=no
1666fi
e552509b
ILT
1667if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1668 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1669 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1670 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
e28c595f 1671fi
e552509b 1672if test "x$with_cloog" != "xno"; then
8d8eef9a 1673 dnl The minimal version of CLooG required for Graphite.
e552509b 1674 dnl
8d8eef9a
RW
1675 dnl If we use CLooG-Legacy, the provided version information is
1676 dnl ignored.
1677 CLOOG_CHECK_VERSION(0,16,1)
e552509b 1678
8d8eef9a 1679 dnl Only execute fail-action, if CLooG has been requested.
e552509b 1680 CLOOG_IF_FAILED([
8d8eef9a 1681 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
e28c595f
JM
1682fi
1683
700d40ca
ILT
1684# Check for LTO support.
1685AC_ARG_ENABLE(lto,
7837304f 1686[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT
1687enable_lto=$enableval,
1688enable_lto=yes; default_enable_lto=yes)
1689
74cea91b
DK
1690ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1691 build_lto_plugin=yes
1692],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1693 case $target in
899b04ef 1694 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1695 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW
1696 *) enable_lto=no ;;
1697 esac
e49e5c92 1698 else
29821356
RW
1699 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1700 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK
1701 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1702 # warn during gcc/ subconfigure; unless you're bootstrapping with
1703 # -flto it won't be needed until after installation anyway.
1704 case $target in
a8eb3f0a 1705 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK
1706 *) if test x"$enable_lto" = x"yes"; then
1707 AC_MSG_ERROR([LTO support is not enabled for this target.])
1708 fi
1709 ;;
1710 esac
1711 fi
a8eb3f0a 1712 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1713 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1714 case $target in
74cea91b 1715 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK
1716 *) ;;
1717 esac
74cea91b 1718])
700d40ca 1719
e28c595f 1720
947f426e 1721# By default, C is the only stage 1 language.
9b134994 1722stage1_languages=,c,
1d39f329 1723
e8a5fa9c 1724# Target libraries that we bootstrap.
2aa2364a 1725bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1726
9e07f89d
NN
1727# Figure out what language subdirectories are present.
1728# Look if the user specified --enable-languages="..."; if not, use
1729# the environment variable $LANGUAGES if defined. $LANGUAGES might
1730# go away some day.
1731# NB: embedded tabs in this IF block -- do not untabify
1732if test -d ${srcdir}/gcc; then
1733 if test x"${enable_languages+set}" != xset; then
1734 if test x"${LANGUAGES+set}" = xset; then
1735 enable_languages="${LANGUAGES}"
1736 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1737 else
1738 enable_languages=all
1739 fi
1740 else
1741 if test x"${enable_languages}" = x ||
1742 test x"${enable_languages}" = xyes;
1743 then
1744 echo configure.in: --enable-languages needs at least one language argument 1>&2
1745 exit 1
1746 fi
1747 fi
1748 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1749
096f7d00
DE
1750 # 'f95' is the old name for the 'fortran' language. We issue a warning
1751 # and make the substitution.
1752 case ,${enable_languages}, in
1753 *,f95,*)
1754 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1755 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1756 ;;
1757 esac
1758
9e07f89d
NN
1759 # First scan to see if an enabled language requires some other language.
1760 # We assume that a given config-lang.in will list all the language
1761 # front ends it requires, even if some are required indirectly.
1762 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1763 case ${lang_frag} in
1764 ..) ;;
1765 # The odd quoting in the next line works around
1766 # an apparent bug in bash 1.12 on linux.
1767 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1768 *)
e552509b
ILT
1769 # From the config-lang.in, get $language, $lang_requires, and
1770 # $lang_requires_boot_languages.
9e07f89d
NN
1771 language=
1772 lang_requires=
e552509b 1773 lang_requires_boot_languages=
9e07f89d 1774 . ${lang_frag}
e552509b 1775 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN
1776 case ,${enable_languages}, in
1777 *,$other,*) ;;
1778 *,all,*) ;;
1779 *,$language,*)
1780 echo " \`$other' language required by \`$language'; enabling" 1>&2
1781 enable_languages="${enable_languages},${other}"
1782 ;;
1783 esac
1784 done
e552509b
ILT
1785 for other in ${lang_requires_boot_languages} ; do
1786 if test "$other" != "c"; then
1787 case ,${enable_stage1_languages}, in
1788 *,$other,*) ;;
1789 *,all,*) ;;
1790 *)
1791 case ,${enable_languages}, in
1792 *,$language,*)
1793 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1794 enable_stage1_languages="$enable_stage1_languages,${other}"
1795 ;;
1796 esac
1797 ;;
1798 esac
1799 fi
1800 done
9e07f89d
NN
1801 ;;
1802 esac
1803 done
1804
9b134994 1805 new_enable_languages=,c,
700d40ca
ILT
1806
1807 # If LTO is enabled, add the LTO front end.
1808 extra_host_libiberty_configure_flags=
1809 if test "$enable_lto" = "yes" ; then
6811fb56
RW
1810 case ,${enable_languages}, in
1811 *,lto,*) ;;
1812 *) enable_languages="${enable_languages},lto" ;;
1813 esac
a8eb3f0a 1814 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT
1815 configdirs="$configdirs lto-plugin"
1816 extra_host_libiberty_configure_flags=--enable-shared
1817 fi
1818 fi
1819 AC_SUBST(extra_host_libiberty_configure_flags)
1820
9e07f89d 1821 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1822 potential_languages=,c,
9e07f89d 1823
9e1a94f4
ILT
1824 enabled_target_libs=
1825 disabled_target_libs=
1826
9e07f89d
NN
1827 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1828 case ${lang_frag} in
1829 ..) ;;
1830 # The odd quoting in the next line works around
1831 # an apparent bug in bash 1.12 on linux.
1832 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1833 *)
1834 # From the config-lang.in, get $language, $target_libs,
1d39f329 1835 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN
1836 language=
1837 target_libs=
1838 lang_dirs=
64ce424c 1839 subdir_requires=
9b134994
PB
1840 boot_language=no
1841 build_by_default=yes
9e07f89d 1842 . ${lang_frag}
9b134994
PB
1843 if test x${language} = x; then
1844 echo "${lang_frag} doesn't set \$language." 1>&2
1845 exit 1
1846 fi
1847
1f53ca9a
AO
1848 if test "$language" = "c++" \
1849 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
e8a5fa9c
RW
1850 boot_language=yes
1851 fi
1852
9b134994
PB
1853 case ,${enable_languages}, in
1854 *,${language},*)
9e07f89d
NN
1855 # Language was explicitly selected; include it.
1856 add_this_lang=yes
1857 ;;
9b134994
PB
1858 *,all,*)
1859 # 'all' was selected, select it if it is a default language
1860 add_this_lang=${build_by_default}
9e07f89d
NN
1861 ;;
1862 *)
1863 add_this_lang=no
1864 ;;
1865 esac
4b1cb4fe 1866
64ce424c 1867 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1868 for i in $subdir_requires; do
3d3adb43 1869 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB
1870 case ,${enable_languages}, in
1871 *,${language},*)
1872 # Specifically requested language; tell them.
1873 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1874 ;;
1875 *)
1876 # Silently disable.
9b134994 1877 add_this_lang=unsupported
64ce424c
PB
1878 ;;
1879 esac
1880 done
1881
9b134994
PB
1882 # Disable Ada if no preexisting GNAT is available.
1883 case ,${enable_languages},:${language}:${have_gnat} in
1884 *,${language},*:ada:no)
1885 # Specifically requested language; tell them.
1886 AC_MSG_ERROR([GNAT is required to build $language])
1887 ;;
1888 *:ada:no)
1889 # Silently disable.
1890 add_this_lang=unsupported
1891 ;;
1892 esac
1893
59f7ec45
HPN
1894 # Disable a language that is unsupported by the target.
1895 case " $unsupported_languages " in
1896 *" $language "*)
9b134994 1897 add_this_lang=unsupported
59f7ec45
HPN
1898 ;;
1899 esac
1900
4b1cb4fe 1901 case $add_this_lang in
9b134994 1902 unsupported)
9e07f89d 1903 # Remove language-dependent dirs.
9e1a94f4
ILT
1904 disabled_target_libs="$disabled_target_libs $target_libs"
1905 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1906 ;;
9b134994
PB
1907 no)
1908 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT
1909 disabled_target_libs="$disabled_target_libs $target_libs"
1910 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB
1911 potential_languages="${potential_languages}${language},"
1912 ;;
1913 yes)
1914 new_enable_languages="${new_enable_languages}${language},"
1915 potential_languages="${potential_languages}${language},"
1d39f329 1916 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1917 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW
1918 case "${boot_language}:,$enable_stage1_languages," in
1919 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1920 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW
1921 case ",$stage1_languages," in
1922 *,$language,* | ,yes, | ,all,) ;;
1923 *) stage1_languages="${stage1_languages}${language}," ;;
1924 esac
e8a5fa9c
RW
1925 # We need to bootstrap any supporting libraries.
1926 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN
1927 ;;
1928 esac
1929 ;;
9e07f89d
NN
1930 esac
1931 ;;
1932 esac
1933 done
1934
9e1a94f4
ILT
1935 # Add target libraries which are only needed for disabled languages
1936 # to noconfigdirs.
1937 if test -n "$disabled_target_libs"; then
1938 for dir in $disabled_target_libs; do
1939 case " $enabled_target_libs " in
1940 *" ${dir} "*) ;;
1941 *) noconfigdirs="$noconfigdirs $dir" ;;
1942 esac
1943 done
1944 fi
1945
9b134994 1946 AC_ARG_ENABLE(stage1-languages,
7837304f
AS
1947 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1948 [choose additional languages to build during
1949 stage1. Mostly useful for compiler development])],
9b134994
PB
1950 [case ,${enable_stage1_languages}, in
1951 ,no,|,,)
1952 # Set it to something that will have no effect in the loop below
1953 enable_stage1_languages=c ;;
1954 ,yes,)
1955 enable_stage1_languages=`echo $new_enable_languages | \
1956 sed -e "s/^,//" -e "s/,$//" ` ;;
1957 *,all,*)
1958 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1959 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1960 esac
1961
1962 # Add "good" languages from enable_stage1_languages to stage1_languages,
1963 # while "bad" languages go in missing_languages. Leave no duplicates.
1964 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1965 case $potential_languages in
1966 *,$i,*)
1967 case $stage1_languages in
1968 *,$i,*) ;;
1969 *) stage1_languages="$stage1_languages$i," ;;
1970 esac ;;
1971 *)
1972 case $missing_languages in
1973 *,$i,*) ;;
1974 *) missing_languages="$missing_languages$i," ;;
1975 esac ;;
1976 esac
1977 done])
1978
1979 # Remove leading/trailing commas that were added for simplicity
1980 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 1981 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB
1982 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1983 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1984
9e07f89d
NN
1985 if test "x$missing_languages" != x; then
1986 AC_MSG_ERROR([
27258dd4 1987The following requested languages could not be built: ${missing_languages}
9b134994 1988Supported languages are: ${potential_languages}])
9e07f89d 1989 fi
9e07f89d
NN
1990 if test "x$new_enable_languages" != "x$enable_languages"; then
1991 echo The following languages will be built: ${new_enable_languages}
9b134994 1992 enable_languages="$new_enable_languages"
9e07f89d 1993 fi
9b134994
PB
1994
1995 AC_SUBST(stage1_languages)
81ec575a 1996 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN
1997fi
1998
a6df5a19
PB
1999# Handle --disable-<component> generically.
2000for dir in $configdirs $build_configdirs $target_configdirs ; do
2001 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB
2002 varname=`echo $dirname | sed -e s/+/_/g`
2003 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB
2004 noconfigdirs="$noconfigdirs $dir"
2005 fi
2006done
2007
4f0ef2d8
CD
2008# Check for Boehm's garbage collector
2009AC_ARG_ENABLE(objc-gc,
7837304f
AS
2010[AS_HELP_STRING([--enable-objc-gc],
2011 [enable use of Boehm's garbage collector with the
2012 GNU Objective-C runtime])],
4f0ef2d8
CD
2013[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2014 *,objc,*:*:yes:*target-boehm-gc*)
2015 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2016 ;;
2017esac])
2018
2019# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA
2020case ,${enable_languages},:${enable_objc_gc} in
2021 *,objc,*:yes)
4f0ef2d8
CD
2022 # Keep target-boehm-gc if requested for Objective-C.
2023 ;;
4f0ef2d8 2024 *)
d42c4017
DA
2025 # Otherwise remove target-boehm-gc depending on target-libjava.
2026 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2027 noconfigdirs="$noconfigdirs target-boehm-gc"
2028 fi
4f0ef2d8
CD
2029 ;;
2030esac
2031
caeba88f
AL
2032# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2033# $build_configdirs and $target_configdirs.
9e07f89d
NN
2034# If we have the source for $noconfigdirs entries, add them to $notsupp.
2035
2036notsupp=""
2037for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2038 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN
2039 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2040 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2041 if test -r $srcdir/$dirname/configure ; then
2042 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2043 true
2044 else
2045 notsupp="$notsupp $dir"
2046 fi
2047 fi
2048 fi
caeba88f
AL
2049 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2050 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2051 if test -r $srcdir/$dirname/configure ; then
2052 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2053 true
2054 else
2055 notsupp="$notsupp $dir"
2056 fi
2057 fi
2058 fi
9e07f89d
NN
2059 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2060 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2061 if test -r $srcdir/$dirname/configure ; then
2062 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2063 true
2064 else
2065 notsupp="$notsupp $dir"
2066 fi
2067 fi
2068 fi
2069done
2070
2071# Sometimes the tools are distributed with libiberty but with no other
2072# libraries. In that case, we don't want to build target-libiberty.
f86e35b8 2073# Don't let libgcc imply libiberty either.
9e07f89d 2074if test -n "${target_configdirs}" ; then
f86e35b8 2075 libgcc=
9e07f89d
NN
2076 others=
2077 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
f86e35b8
NC
2078 if test "$i" = "libgcc"; then
2079 libgcc=target-libgcc
2080 elif test "$i" != "libiberty" ; then
9e07f89d
NN
2081 if test -r $srcdir/$i/configure ; then
2082 others=yes;
2083 break;
2084 fi
2085 fi
2086 done
2087 if test -z "${others}" ; then
f86e35b8 2088 target_configdirs=$libgcc
9e07f89d
NN
2089 fi
2090fi
2091
2092# Quietly strip out all directories which aren't configurable in this tree.
2093# This relies on all configurable subdirectories being autoconfiscated, which
2094# is now the case.
6a9cf61e
PB
2095build_configdirs_all="$build_configdirs"
2096build_configdirs=
2097for i in ${build_configdirs_all} ; do
2098 j=`echo $i | sed -e s/build-//g`
2099 if test -f ${srcdir}/$j/configure ; then
2100 build_configdirs="${build_configdirs} $i"
2101 fi
2102done
2103
9e07f89d
NN
2104configdirs_all="$configdirs"
2105configdirs=
2106for i in ${configdirs_all} ; do
2107 if test -f ${srcdir}/$i/configure ; then
2108 configdirs="${configdirs} $i"
2109 fi
2110done
6a9cf61e 2111
9e07f89d
NN
2112target_configdirs_all="$target_configdirs"
2113target_configdirs=
2114for i in ${target_configdirs_all} ; do
2115 j=`echo $i | sed -e s/target-//g`
2116 if test -f ${srcdir}/$j/configure ; then
2117 target_configdirs="${target_configdirs} $i"
2118 fi
2119done
2120
2121# Produce a warning message for the subdirs we can't configure.
2122# This isn't especially interesting in the Cygnus tree, but in the individual
2123# FSF releases, it's important to let people know when their machine isn't
2124# supported by the one or two programs in a package.
2125
2126if test -n "${notsupp}" && test -z "${norecursion}" ; then
2127 # If $appdirs is non-empty, at least one of those directories must still
2128 # be configured, or we error out. (E.g., if the gas release supports a
2129 # specified target in some subdirs but not the gas subdir, we shouldn't
2130 # pretend that all is well.)
2131 if test -n "$appdirs" ; then
2132 for dir in $appdirs ; do
2133 if test -r $dir/Makefile.in ; then
2134 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2135 appdirs=""
2136 break
2137 fi
6a9cf61e 2138 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN
2139 appdirs=""
2140 break
2141 fi
2142 fi
2143 done
2144 if test -n "$appdirs" ; then
2145 echo "*** This configuration is not supported by this package." 1>&2
2146 exit 1
2147 fi
2148 fi
2149 # Okay, some application will build, or we don't care to check. Still
2150 # notify of subdirs not getting built.
2151 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2152 echo " ${notsupp}" 1>&2
2153 echo " (Any other directories should still work fine.)" 1>&2
2154fi
2155
2156case "$host" in
2157 *msdosdjgpp*)
2158 enable_gdbtk=no ;;
2159esac
2160
24ff9987
DJ
2161# To find our prefix, in gcc_cv_tool_prefix.
2162ACX_TOOL_DIRS
2163
9e07f89d
NN
2164copy_dirs=
2165
a19b6204 2166AC_ARG_WITH([build-sysroot],
7837304f
AS
2167 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2168 [use sysroot as the system root during the build])],
a19b6204
MM
2169 [if test x"$withval" != x ; then
2170 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2171 fi],
2172 [SYSROOT_CFLAGS_FOR_TARGET=])
2173AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2174
8a6ee3ab 2175AC_ARG_WITH([debug-prefix-map],
7837304f
AS
2176 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2177 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM
2178 [if test x"$withval" != x; then
2179 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2180 for debug_map in $withval; do
2181 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2182 done
2183 fi],
2184 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2185AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2186
7f6ef0c0
PB
2187# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2188# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2189# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2190# We want to ensure that TARGET libraries (which we know are built with
2191# gcc) are built with "-O2 -g", so include those options when setting
2192# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2193if test "x$CFLAGS_FOR_TARGET" = x; then
2194 CFLAGS_FOR_TARGET=$CFLAGS
2195 case " $CFLAGS " in
2196 *" -O2 "*) ;;
2197 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2198 esac
2199 case " $CFLAGS " in
2200 *" -g "* | *" -g3 "*) ;;
2201 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2202 esac
2203fi
2204AC_SUBST(CFLAGS_FOR_TARGET)
2205
2206if test "x$CXXFLAGS_FOR_TARGET" = x; then
2207 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2208 case " $CXXFLAGS " in
2209 *" -O2 "*) ;;
2210 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2211 esac
2212 case " $CXXFLAGS " in
2213 *" -g "* | *" -g3 "*) ;;
2214 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2215 esac
2216fi
2217AC_SUBST(CXXFLAGS_FOR_TARGET)
2218
9e07f89d
NN
2219# Handle --with-headers=XXX. If the value is not "yes", the contents of
2220# the named directory are copied to $(tooldir)/sys-include.
2221if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2222 if test x${is_cross_compiler} = xno ; then
2223 echo 1>&2 '***' --with-headers is only supported when cross compiling
2224 exit 1
2225 fi
2226 if test x"${with_headers}" != xyes ; then
24ff9987 2227 x=${gcc_cv_tool_prefix}
c6b750e1 2228 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN
2229 fi
2230fi
2231
2232# Handle --with-libs=XXX. If the value is not "yes", the contents of
2233# the name directories are copied to $(tooldir)/lib. Multiple directories
2234# are permitted.
2235if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2236 if test x${is_cross_compiler} = xno ; then
2237 echo 1>&2 '***' --with-libs is only supported when cross compiling
2238 exit 1
2239 fi
2240 if test x"${with_libs}" != xyes ; then
2241 # Copy the libraries in reverse order, so that files in the first named
2242 # library override files in subsequent libraries.
24ff9987 2243 x=${gcc_cv_tool_prefix}
9e07f89d 2244 for l in ${with_libs}; do
c6b750e1 2245 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN
2246 done
2247 fi
2248fi
2249
700d40ca 2250# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB
2251#
2252# This is done by determining whether or not the appropriate directory
2253# is available, and by checking whether or not specific configurations
2254# have requested that this magic not happen.
2255#
2256# The command line options always override the explicit settings in
2257# configure.in, and the settings in configure.in override this magic.
2258#
2259# If the default for a toolchain is to use GNU as and ld, and you don't
2260# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT
2261# --without-gnu-ld options for the configure script. Similarly, if
2262# the default is to use the included zlib and you don't want to do that,
2263# you should use the --with-system-zlib option for the configure script.
2429c060
PB
2264
2265if test x${use_gnu_as} = x &&
2266 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2267 with_gnu_as=yes
2268 extra_host_args="$extra_host_args --with-gnu-as"
2269fi
2270
2271if test x${use_gnu_ld} = x &&
93f9b408 2272 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB
2273 with_gnu_ld=yes
2274 extra_host_args="$extra_host_args --with-gnu-ld"
2275fi
2276
700d40ca
ILT
2277if test x${use_included_zlib} = x &&
2278 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2279 :
2280else
2281 with_system_zlib=yes
2282 extra_host_args="$extra_host_args --with-system-zlib"
2283fi
2284
2429c060
PB
2285# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2286# can detect this case.
2287
2288if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2289 with_newlib=yes
2290 extra_host_args="$extra_host_args --with-newlib"
2291fi
2292
9e07f89d
NN
2293# Handle ${copy_dirs}
2294set fnord ${copy_dirs}
2295shift
2296while test $# != 0 ; do
2297 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2298 :
2299 else
2300 echo Copying $1 to $2
2301
2302 # Use the install script to create the directory and all required
2303 # parent directories.
2304 if test -d $2 ; then
2305 :
2306 else
2307 echo >config.temp
2308 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2309 fi
2310
2311 # Copy the directory, assuming we have tar.
2312 # FIXME: Should we use B in the second tar? Not all systems support it.
2313 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2314
2315 # It is the responsibility of the user to correctly adjust all
2316 # symlinks. If somebody can figure out how to handle them correctly
2317 # here, feel free to add the code.
2318
2319 echo $1 > $2/COPIED
2320 fi
2321 shift; shift
2322done
2323
2429c060
PB
2324# Determine a target-dependent exec_prefix that the installed
2325# gcc will search in. Keep this list sorted by triplet, with
2326# the *-*-osname triplets last.
2327md_exec_prefix=
2328case "${target}" in
521ec477 2329 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB
2330 md_exec_prefix=/dev/env/DJDIR/bin
2331 ;;
2429c060 2332 *-*-hpux* | \
2429c060 2333 *-*-nto-qnx* | \
1f111696 2334 *-*-solaris2*)
2429c060
PB
2335 md_exec_prefix=/usr/ccs/bin
2336 ;;
2337esac
2338
874e38b4
NN
2339extra_arflags_for_target=
2340extra_nmflags_for_target=
1086bc09 2341extra_ranlibflags_for_target=
a0da8069 2342target_makefile_frag=/dev/null
f48556b1 2343case "${target}" in
77d7106f
AM
2344 spu-*-*)
2345 target_makefile_frag="config/mt-spu"
2346 ;;
429acdec
RS
2347 mips*-sde-elf*)
2348 target_makefile_frag="config/mt-sde"
2349 ;;
f3b1e08e
RS
2350 mipsisa*-*-elfoabi*)
2351 target_makefile_frag="config/mt-mips-elfoabi"
2352 ;;
e7c8859c
RS
2353 mips*-*-*linux* | mips*-*-gnu*)
2354 target_makefile_frag="config/mt-mips-gnu"
2355 ;;
29383458 2356 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2357 target_makefile_frag="config/mt-gnu"
f48556b1 2358 ;;
a0da8069 2359 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN
2360 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2361 # commands to handle both 32-bit and 64-bit objects. These flags are
2362 # harmless if we're using GNU nm or ar.
2363 extra_arflags_for_target=" -X32_64"
2364 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2365 ;;
92f4e989
JM
2366 *-*-darwin[[3-9]]*)
2367 # ranlib before Darwin10 requires the -c flag to look at common symbols.
1086bc09
NN
2368 extra_ranlibflags_for_target=" -c"
2369 ;;
b6f83f2a
DD
2370esac
2371
a0da8069 2372alphaieee_frag=/dev/null
b6f83f2a
DD
2373case $target in
2374 alpha*-*-*)
2375 # This just makes sure to use the -mieee option to build target libs.
2376 # This should probably be set individually by each library.
2377 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD
2378 ;;
2379esac
a0a2c6c6 2380
f48556b1
DD
2381# If --enable-target-optspace always use -Os instead of -O2 to build
2382# the target libraries, similarly if it is not specified, use -Os
2383# on selected platforms.
a0da8069 2384ospace_frag=/dev/null
f48556b1
DD
2385case "${enable_target_optspace}:${target}" in
2386 yes:*)
b6f83f2a 2387 ospace_frag="config/mt-ospace"
f48556b1
DD
2388 ;;
2389 :d30v-*)
b6f83f2a 2390 ospace_frag="config/mt-d30v"
f48556b1
DD
2391 ;;
2392 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2393 ospace_frag="config/mt-ospace"
f48556b1
DD
2394 ;;
2395 no:* | :*)
2396 ;;
2397 *)
2398 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2399 ;;
2400esac
252b5132 2401
f48556b1
DD
2402# Default to using --with-stabs for certain targets.
2403if test x${with_stabs} = x ; then
2404 case "${target}" in
e31d1ea3 2405 mips*-*-irix[[56]]*)
f48556b1
DD
2406 ;;
2407 mips*-*-* | alpha*-*-osf*)
2408 with_stabs=yes;
ae831be5 2409 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD
2410 ;;
2411 esac
2412fi
2413
2414# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2415# them automatically.
2416case "${host}" in
2417 hppa*64*-*-hpux11*)
ae831be5 2418 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
f48556b1 2419 ;;
c92a0210
DD
2420esac
2421
a0da8069
NN
2422# Some systems (e.g., one of the i386-aix systems the gas testers are
2423# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2424tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN
2425build_tooldir=${tooldir}
2426
a0da8069
NN
2427# Create a .gdbinit file which runs the one in srcdir
2428# and tells GDB to look there for source files.
2429
2430if test -r ${srcdir}/.gdbinit ; then
2431 case ${srcdir} in
2432 .) ;;
2433 *) cat > ./.gdbinit <<EOF
2434# ${NO_EDIT}
2435dir ${srcdir}
2436dir .
2437source ${srcdir}/.gdbinit
2438EOF
2439 ;;
2440 esac
2441fi
2442
252b5132
RH
2443# Make sure that the compiler is able to generate an executable. If it
2444# can't, we are probably in trouble. We don't care whether we can run the
2445# executable--we might be using a cross compiler--we only care whether it
2446# can be created. At this point the main configure script has set CC.
a0c4f3a0 2447we_are_ok=no
252b5132
RH
2448echo "int main () { return 0; }" > conftest.c
2449${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD
2450if test $? = 0 ; then
2451 if test -s conftest || test -s conftest.exe ; then
2452 we_are_ok=yes
2453 fi
2454fi
2455case $we_are_ok in
2456 no)
2457 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2458 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2459 rm -f conftest*
2460 exit 1
2461 ;;
2462esac
252b5132
RH
2463rm -f conftest*
2464
2465# The Solaris /usr/ucb/cc compiler does not appear to work.
2466case "${host}" in
2467 sparc-sun-solaris2*)
2468 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
a0da8069 2469 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
252b5132 2470 could_use=
a0c4f3a0
DD
2471 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2472 if test -d /opt/cygnus/bin ; then
2473 if test "$could_use" = "" ; then
252b5132
RH
2474 could_use="/opt/cygnus/bin"
2475 else
2476 could_use="$could_use or /opt/cygnus/bin"
2477 fi
2478 fi
a0c4f3a0 2479 if test "$could_use" = "" ; then
252b5132
RH
2480 echo "Warning: compilation may fail because you're using"
2481 echo "/usr/ucb/cc. You should change your PATH or CC "
2482 echo "variable and rerun configure."
2483 else
2484 echo "Warning: compilation may fail because you're using"
2485 echo "/usr/ucb/cc, when you should use the C compiler from"
2486 echo "$could_use. You should change your"
2487 echo "PATH or CC variable and rerun configure."
2488 fi
2489 fi
2490 ;;
2491esac
2492
3bbd2f8f 2493# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN
2494case "${host}" in
2495 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2496 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2497 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN
2498 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2499esac
8607b6c9 2500
3bbd2f8f 2501# On systems where the dynamic library environment variable is PATH,
e28c595f
JM
2502# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2503# built executables to PATH.
3bbd2f8f
AL
2504if test "$RPATH_ENVVAR" = PATH; then
2505 GCC_SHLIB_SUBDIR=/shlib
2506else
2507 GCC_SHLIB_SUBDIR=
2508fi
2509
3866be5d
NN
2510# Record target_configdirs and the configure arguments for target and
2511# build configuration in Makefile.
2512target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2513build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2514
2aa2364a
JR
2515# If we are building libgomp, bootstrap it.
2516if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2517 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2518fi
2519
930314a4
NN
2520# Determine whether gdb needs tk/tcl or not.
2521# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2522# and in that case we want gdb to be built without tk. Ugh!
2523# In fact I believe gdb is the *only* package directly dependent on tk,
2524# so we should be able to put the 'maybe's in unconditionally and
2525# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2526# 100% sure that that's safe though.
c180f501 2527
675c6968 2528gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN
2529case "$enable_gdbtk" in
2530 no)
2531 GDB_TK="" ;;
c180f501
AC
2532 yes)
2533 GDB_TK="${gdb_tk}" ;;
930314a4 2534 *)
c180f501
AC
2535 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2536 # distro. Eventually someone will fix this and move Insight, nee
2537 # gdbtk to a separate directory.
2538 if test -d ${srcdir}/gdb/gdbtk ; then
2539 GDB_TK="${gdb_tk}"
2540 else
2541 GDB_TK=""
2542 fi
2543 ;;
930314a4 2544esac
907be67c
DJ
2545CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2546INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2547
6bd3dfaa 2548# Strip out unwanted targets.
dd12c3a8
NN
2549
2550# While at that, we remove Makefiles if we were started for recursive
2551# configuration, so that the top-level Makefile reconfigures them,
2552# like we used to do when configure itself was recursive.
dd12c3a8 2553
06a51eac
RW
2554# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2555# but now we're fixing up the Makefile ourselves with the additional
2556# commands passed to AC_CONFIG_FILES. Use separate variables
2557# extrasub-{build,host,target} not because there is any reason to split
2558# the substitutions up that way, but only to remain below the limit of
2559# 99 commands in a script, for HP-UX sed.
2560# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2561
498d4a71 2562AC_ARG_ENABLE([bootstrap],
7837304f
AS
2563[AS_HELP_STRING([--enable-bootstrap],
2564 [enable bootstrapping @<:@yes if native build@:>@])],,
9cb3fa6f
PB
2565enable_bootstrap=default)
2566
2567# Issue errors and warnings for invalid/strange bootstrap combinations.
2568case "$configdirs" in
2569 *gcc*) have_compiler=yes ;;
2570 *) have_compiler=no ;;
2571esac
2572
2573case "$have_compiler:$host:$target:$enable_bootstrap" in
2574 *:*:*:no) ;;
2575
0aed8855 2576 # Default behavior. Enable bootstrap if we have a compiler
9cb3fa6f
PB
2577 # and we are in a native configuration.
2578 yes:$build:$build:default)
0aed8855 2579 enable_bootstrap=yes ;;
9cb3fa6f
PB
2580
2581 *:*:*:default)
2582 enable_bootstrap=no ;;
2583
2584 # We have a compiler and we are in a native configuration, bootstrap is ok
80911fe1 2585 yes:$build:$build:yes)
9cb3fa6f
PB
2586 ;;
2587
2588 # Other configurations, but we have a compiler. Assume the user knows
2589 # what he's doing.
80911fe1 2590 yes:*:*:yes)
9cb3fa6f
PB
2591 AC_MSG_WARN([trying to bootstrap a cross compiler])
2592 ;;
498d4a71 2593
9cb3fa6f 2594 # No compiler: if they passed --enable-bootstrap explicitly, fail
80911fe1 2595 no:*:*:yes)
9cb3fa6f
PB
2596 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2597
2598 # Fail if wrong command line
2599 *)
2600 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2601 ;;
2602esac
2603
4385ad3c
RW
2604case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2605 *,c++,*:yes:yes) ;;
2606 *:yes:yes)
2607 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2608 ;;
2609esac
2610
16b1ad29
RW
2611case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2612 yes:yes:*\ gold\ *:*,c++,*) ;;
2613 yes:yes:*\ gold\ *:*)
2614 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2615 ;;
2616esac
2617
9cb3fa6f 2618# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2619case $enable_bootstrap in
498d4a71 2620 yes)
96655cc4
AO
2621 bootstrap_suffix=bootstrap
2622 BUILD_CONFIG=bootstrap-debug
2623 ;;
498d4a71 2624 no)
96655cc4
AO
2625 bootstrap_suffix=no-bootstrap
2626 BUILD_CONFIG=
2627 ;;
498d4a71 2628esac
498d4a71 2629
96655cc4
AO
2630AC_MSG_CHECKING(for default BUILD_CONFIG)
2631
2632AC_ARG_WITH([build-config],
7837304f
AS
2633 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2634 [use config/NAME.mk build configuration])],
96655cc4
AO
2635 [case $with_build_config in
2636 yes) with_build_config= ;;
2637 no) with_build_config= BUILD_CONFIG= ;;
2638 esac])
2639
2640if test "x${with_build_config}" != x; then
2641 BUILD_CONFIG=$with_build_config
2642else
2643 case $BUILD_CONFIG in
2644 bootstrap-debug)
2645 if echo "int f (void) { return 0; }" > conftest.c &&
2646 ${CC} -c conftest.c &&
2647 mv conftest.o conftest.o.g0 &&
2648 ${CC} -c -g conftest.c &&
2649 mv conftest.o conftest.o.g &&
a009f2e7 2650 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO
2651 :
2652 else
2653 BUILD_CONFIG=
2654 fi
2655 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2656 ;;
2657 esac
2658fi
2659AC_MSG_RESULT($BUILD_CONFIG)
2660AC_SUBST(BUILD_CONFIG)
2661
06a51eac 2662extrasub_build=
6a9cf61e 2663for module in ${build_configdirs} ; do
dd12c3a8
NN
2664 if test -z "${no_recursion}" \
2665 && test -f ${build_subdir}/${module}/Makefile; then
2666 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2667 rm -f ${build_subdir}/${module}/Makefile
2668 fi
06a51eac 2669 extrasub_build="$extrasub_build
6bd3dfaa 2670/^@if build-$module\$/d
498d4a71
CF
2671/^@endif build-$module\$/d
2672/^@if build-$module-$bootstrap_suffix\$/d
2673/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2674done
06a51eac 2675extrasub_host=
dd12c3a8 2676for module in ${configdirs} ; do
80911fe1 2677 if test -z "${no_recursion}"; then
8cf39b1b 2678 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB
2679 if test -f ${file}; then
2680 echo 1>&2 "*** removing ${file} to force reconfigure"
2681 rm -f ${file}
2682 fi
2683 done
dd12c3a8 2684 fi
06a51eac 2685 extrasub_host="$extrasub_host
6bd3dfaa 2686/^@if $module\$/d
498d4a71
CF
2687/^@endif $module\$/d
2688/^@if $module-$bootstrap_suffix\$/d
2689/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2690done
06a51eac 2691extrasub_target=
dd12c3a8
NN
2692for module in ${target_configdirs} ; do
2693 if test -z "${no_recursion}" \
2694 && test -f ${target_subdir}/${module}/Makefile; then
2695 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2696 rm -f ${target_subdir}/${module}/Makefile
2697 fi
e8a5fa9c
RW
2698
2699 # We only bootstrap target libraries listed in bootstrap_target_libs.
2700 case $bootstrap_target_libs in
2701 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2702 *) target_bootstrap_suffix=no-bootstrap ;;
2703 esac
2704
06a51eac 2705 extrasub_target="$extrasub_target
6bd3dfaa 2706/^@if target-$module\$/d
498d4a71 2707/^@endif target-$module\$/d
e8a5fa9c
RW
2708/^@if target-$module-$target_bootstrap_suffix\$/d
2709/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2710done
319cab08 2711
06a51eac
RW
2712# Do the final fixup along with target modules.
2713extrasub_target="$extrasub_target
6bd3dfaa 2714/^@if /,/^@endif /d"
930314a4 2715
a2cc058a
NN
2716# Create the serialization dependencies. This uses a temporary file.
2717
e6bfb94a 2718AC_ARG_ENABLE([serial-configure],
7837304f
AS
2719[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2720 [force sequential configuration of
2721 sub-packages for the host, target or build
2722 machine, or all sub-packages])])
1047cb91
DD
2723
2724case ${enable_serial_configure} in
2725 yes)
2726 enable_serial_build_configure=yes
2727 enable_serial_host_configure=yes
2728 enable_serial_target_configure=yes
2729 ;;
2730esac
e6bfb94a 2731
a2cc058a
NN
2732# These force 'configure's to be done one at a time, to avoid problems
2733# with contention over a shared config.cache.
2734rm -f serdep.tmp
e6bfb94a 2735echo '# serdep.tmp' > serdep.tmp
a2cc058a 2736olditem=
1047cb91 2737test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN
2738for item in ${build_configdirs} ; do
2739 case ${olditem} in
2740 "") ;;
e6bfb94a 2741 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
2742 esac
2743 olditem=${item}
2744done
2745olditem=
1047cb91 2746test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN
2747for item in ${configdirs} ; do
2748 case ${olditem} in
2749 "") ;;
e6bfb94a 2750 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
2751 esac
2752 olditem=${item}
2753done
2754olditem=
1047cb91 2755test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN
2756for item in ${target_configdirs} ; do
2757 case ${olditem} in
2758 "") ;;
e6bfb94a 2759 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN
2760 esac
2761 olditem=${item}
2762done
a0da8069
NN
2763serialization_dependencies=serdep.tmp
2764AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2765
e6bfb94a 2766# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2767# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC
2768# might not want to pass down to subconfigures. The exception being
2769# --cache-file=/dev/null, which is used to turn off the use of cache
2770# files altogether, and which should be passed on to subconfigures.
2771# Also strip program-prefix, program-suffix, and program-transform-name,
2772# so that we can pass down a consistent program-transform-name.
c6b750e1 2773baseargs=
65b4571a 2774tbaseargs=
c6b750e1
DJ
2775keep_next=no
2776skip_next=no
2777eval "set -- $ac_configure_args"
b0aaa663
DJ
2778for ac_arg
2779do
c6b750e1
DJ
2780 if test X"$skip_next" = X"yes"; then
2781 skip_next=no
2782 continue
2783 fi
2784 if test X"$keep_next" = X"yes"; then
2785 case $ac_arg in
2786 *\'*)
2787 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2788 esac
2789 baseargs="$baseargs '$ac_arg'"
65b4571a 2790 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ
2791 keep_next=no
2792 continue
2793 fi
2794
2795 # Handle separated arguments. Based on the logic generated by
2796 # autoconf 2.59.
2797 case $ac_arg in
2798 *=* | --config-cache | -C | -disable-* | --disable-* \
2799 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2800 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2801 | -with-* | --with-* | -without-* | --without-* | --x)
2802 separate_arg=no
2803 ;;
2804 -*)
2805 separate_arg=yes
2806 ;;
2807 *)
2808 separate_arg=no
2809 ;;
2810 esac
2811
65b4571a
AO
2812 skip_targ=no
2813 case $ac_arg in
2814changequote(,)
2815 --with-* | --without-*)
2816 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2817
2818 case $libopt in
2819 *[-_]include)
2820 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2821 ;;
2822 *[-_]lib)
2823 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2824 ;;
2825 *)
2826 lib=$libopt
2827 ;;
2828 esac
2829changequote([,])
2830
2831 case $lib in
2832 mpc | mpfr | gmp | ppl | cloog)
2833 # If we're processing --with-$lib, --with-$lib-include or
2834 # --with-$lib-lib, for one of the libs above, and target is
2835 # different from host, don't pass the current argument to any
2836 # target library's configure.
2837 if test x$is_cross_compiler = xyes; then
2838 skip_targ=yes
2839 fi
2840 ;;
2841 esac
2842 ;;
2843 esac
2844
c6b750e1 2845 case "$ac_arg" in
30167e0a
NC
2846 --cache-file=/dev/null | \
2847 -cache-file=/dev/null )
2848 # Handled here to avoid the test to skip args below.
2849 baseargs="$baseargs '$ac_arg'"
65b4571a 2850 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC
2851 # Assert: $separate_arg should always be no.
2852 keep_next=$separate_arg
2853 ;;
c6b750e1
DJ
2854 --no*)
2855 continue
2856 ;;
2857 --c* | \
2858 --sr* | \
2859 --ho* | \
2860 --bu* | \
2861 --t* | \
2862 --program-* | \
2863 -cache_file* | \
2864 -srcdir* | \
2865 -host* | \
2866 -build* | \
2867 -target* | \
2868 -program-prefix* | \
2869 -program-suffix* | \
2870 -program-transform-name* )
2871 skip_next=$separate_arg
2872 continue
2873 ;;
2874 -*)
2875 # An option. Add it.
2876 case $ac_arg in
2877 *\'*)
2878 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2879 esac
2880 baseargs="$baseargs '$ac_arg'"
65b4571a
AO
2881 if test X"$skip_targ" = Xno; then
2882 tbaseargs="$tbaseargs '$ac_arg'"
2883 fi
c6b750e1
DJ
2884 keep_next=$separate_arg
2885 ;;
2886 *)
2887 # Either a variable assignment, or a nonopt (triplet). Don't
2888 # pass it down; let the Makefile handle this.
2889 continue
2890 ;;
2891 esac
2892done
2893# Remove the initial space we just introduced and, as these will be
2894# expanded by make, quote '$'.
2895baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2896
f27d4f92
DJ
2897# Add in --program-transform-name, after --program-prefix and
2898# --program-suffix have been applied to it. Autoconf has already
2899# doubled dollar signs and backslashes in program_transform_name; we want
2900# the backslashes un-doubled, and then the entire thing wrapped in single
2901# quotes, because this will be expanded first by make and then by the shell.
2902# Also, because we want to override the logic in subdir configure scripts to
2903# choose program_transform_name, replace any s,x,x, with s,y,y,.
2904sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2905${program_transform_name}
2906EOF_SED
2907gcc_transform_name=`cat conftestsed.out`
2908rm -f conftestsed.out
2909baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2910tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE
2911if test "$silent" = yes; then
2912 baseargs="$baseargs --silent"
65b4571a 2913 tbaseargs="$tbaseargs --silent"
2444379b 2914fi
34a0f3cf 2915baseargs="$baseargs --disable-option-checking"
65b4571a 2916tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2917
4074d5f2
RW
2918# Record and document user additions to sub configure arguments.
2919AC_ARG_VAR([build_configargs],
2920 [additional configure arguments for build directories])
2921AC_ARG_VAR([host_configargs],
2922 [additional configure arguments for host directories])
2923AC_ARG_VAR([target_configargs],
2924 [additional configure arguments for target directories])
2925
49b7683b
DD
2926# For the build-side libraries, we just need to pretend we're native,
2927# and not use the same cache file. Multilibs are neither needed nor
2928# desired.
4074d5f2 2929build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2930
ae831be5
NN
2931# For host modules, accept cache file option, or specification as blank.
2932case "${cache_file}" in
2933"") # empty
2934 cache_file_option="" ;;
a0da8069 2935/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN
2936 cache_file_option="--cache-file=${cache_file}" ;;
2937*) # relative path
2938 cache_file_option="--cache-file=../${cache_file}" ;;
2939esac
2940
82252c06
NN
2941# Host dirs don't like to share a cache file either, horribly enough.
2942# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2943host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2944
65b4571a 2945target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2946
252b5132
RH
2947# Passing a --with-cross-host argument lets the target libraries know
2948# whether they are being built with a cross-compiler or being built
2949# native. However, it would be better to use other mechanisms to make the
2950# sorts of decisions they want to make on this basis. Please consider
2951# this option to be deprecated. FIXME.
a0c4f3a0 2952if test x${is_cross_compiler} = xyes ; then
c6b750e1 2953 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH
2954fi
2955
938d2b74
RW
2956# Default to --enable-multilib.
2957if test x${enable_multilib} = x ; then
a0da8069 2958 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2959fi
252b5132
RH
2960
2961# Pass --with-newlib if appropriate. Note that target_configdirs has
2962# changed from the earlier setting of with_newlib.
a0c4f3a0 2963if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2964 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH
2965fi
2966
95036d20
NN
2967# Different target subdirs use different values of certain variables
2968# (notably CXX). Worse, multilibs use *lots* of different values.
2969# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2970# it doesn't automatically accept command-line overrides of them.
2971# This means it's not safe for target subdirs to share a cache file,
2972# which is disgusting, but there you have it. Hopefully this can be
2973# fixed in future. It's still worthwhile to use a cache file for each
2974# directory. I think.
2975
ae380b45
MS
2976# Pass the appropriate --build, --host, --target and --cache-file arguments.
2977# We need to pass --target, as newer autoconf's requires consistency
2978# for target_alias and gcc doesn't manage it consistently.
4b900473 2979target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2980
9e449d3e 2981FLAGS_FOR_TARGET=
7c1f909c 2982case " $target_configdirs " in
75205f78 2983 *" newlib "*)
a0da8069 2984 case " $target_configargs " in
75205f78 2985 *" --with-newlib "*)
9e449d3e 2986 case "$target" in
1f53ca9a
AO
2987 *-cygwin*)
2988 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 $$s/winsup/w32api/include'
2989 ;;
9e449d3e
AO
2990 esac
2991
7450026c 2992 # If we're not building GCC, don't discard standard headers.
4d5fd396 2993 if test -d ${srcdir}/gcc; then
63266560 2994 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO
2995
2996 if test "${build}" != "${host}"; then
2997 # On Canadian crosses, CC_FOR_TARGET will have already been set
2998 # by `configure', so we won't have an opportunity to add -Bgcc/
2999 # to it. This is right: we don't want to search that directory
3000 # for binaries, but we want the header files in there, so add
3001 # them explicitly.
e552509b 3002 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO
3003
3004 # Someone might think of using the pre-installed headers on
3005 # Canadian crosses, in case the installed compiler is not fully
3006 # compatible with the compiler being built. In this case, it
3007 # would be better to flag an error than risking having
3008 # incompatible object files being constructed. We can't
3009 # guarantee that an error will be flagged, but let's hope the
3010 # compiler will do it, when presented with incompatible header
3011 # files.
3012 fi
63266560
DD
3013 fi
3014
0a0d0041 3015 case "${target}-${is_cross_compiler}" in
ec11bdc6 3016 i[[3456789]]86-*-linux*-no)
0a0d0041
TF
3017 # Here host == target, so we don't need to build gcc,
3018 # so we don't want to discard standard headers.
3019 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF
3020 ;;
3021 *)
3022 # If we're building newlib, use its generic headers last, but search
3023 # for any libc-related directories first (so make it the last -B
3024 # switch).
3025 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD
3026
3027 # If we're building libgloss, find the startup file, simulator library
3028 # and linker script.
3029 case " $target_configdirs " in
3030 *" libgloss "*)
3031 # Look for startup file, simulator library and maybe linker script.
3032 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3033 # Look for libnosys.a in case the target needs it.
3034 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3035 # Most targets have the linker script in the source directory.
3036 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3037 ;;
3038 esac
0a0d0041
TF
3039 ;;
3040 esac
9e449d3e 3041 ;;
75205f78
DD
3042 esac
3043 ;;
9e449d3e 3044esac
1f53ca9a 3045
45055374 3046case "$target" in
1f53ca9a
AO
3047 x86_64-*mingw* | *-w64-mingw*)
3048 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3049 # however, use a symlink named 'mingw' in ${prefix} .
3050 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3051 ;;
3052 *-mingw*)
3053 # MinGW can't be handled as Cygwin above since it does not use newlib.
3054 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3055 ;;
45055374 3056esac
63266560 3057
5fbad20a
DD
3058# Allow the user to override the flags for
3059# our build compiler if desired.
c66487f8
NC
3060if test x"${build}" = x"${host}" ; then
3061 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3062 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3063 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3064fi
5fbad20a 3065
63266560
DD
3066# On Canadian crosses, we'll be searching the right directories for
3067# the previously-installed cross compiler, so don't bother to add
3068# flags for directories within the install tree of the compiler
3069# being built; programs in there won't even run.
4d5fd396 3070if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3071 # Search for pre-installed headers if nothing else fits.
bba45b8b 3072 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3073fi
63266560 3074
7c1f909c 3075if test "x${use_gnu_ld}" = x &&
f48556b1 3076 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3077 # Arrange for us to find uninstalled linker scripts.
b00612cc 3078 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO
3079fi
3080
a481dbb7
DD
3081# Search for other target-specific linker scripts and such.
3082case "${target}" in
4e206d7e
DB
3083 mep*)
3084 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3085 ;;
3086esac
3087
a0da8069 3088# Makefile fragments.
3e707e94
PB
3089for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3090do
3091 eval fragval=\$$frag
3092 if test $fragval != /dev/null; then
3093 eval $frag=${srcdir}/$fragval
3094 fi
3095done
a0da8069
NN
3096AC_SUBST_FILE(host_makefile_frag)
3097AC_SUBST_FILE(target_makefile_frag)
3098AC_SUBST_FILE(alphaieee_frag)
3099AC_SUBST_FILE(ospace_frag)
3100
3101# Miscellanea: directories, flags, etc.
a0da8069 3102AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3103AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN
3104AC_SUBST(tooldir)
3105AC_SUBST(build_tooldir)
907be67c 3106AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3107AC_SUBST(GDB_TK)
907be67c 3108AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN
3109
3110# Build module lists & subconfigure args.
a0da8069 3111AC_SUBST(build_configargs)
6a9cf61e 3112AC_SUBST(build_configdirs)
a0da8069
NN
3113
3114# Host module lists & subconfigure args.
3115AC_SUBST(host_configargs)
3116AC_SUBST(configdirs)
911e63d0 3117AC_SUBST(target_configdirs)
a0da8069
NN
3118
3119# Target module lists & subconfigure args.
a0da8069 3120AC_SUBST(target_configargs)
a6df5a19 3121
a0da8069
NN
3122
3123# Build tools.
b5714970
PB
3124AC_SUBST(AR_FOR_BUILD)
3125AC_SUBST(AS_FOR_BUILD)
a0da8069 3126AC_SUBST(CC_FOR_BUILD)
b5714970
PB
3127AC_SUBST(CFLAGS_FOR_BUILD)
3128AC_SUBST(CXXFLAGS_FOR_BUILD)
3129AC_SUBST(CXX_FOR_BUILD)
3130AC_SUBST(DLLTOOL_FOR_BUILD)
3131AC_SUBST(GCJ_FOR_BUILD)
3132AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3133AC_SUBST(GOC_FOR_BUILD)
b5714970
PB
3134AC_SUBST(LDFLAGS_FOR_BUILD)
3135AC_SUBST(LD_FOR_BUILD)
3136AC_SUBST(NM_FOR_BUILD)
3137AC_SUBST(RANLIB_FOR_BUILD)
3138AC_SUBST(WINDMC_FOR_BUILD)
3139AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 3140
be01d343
PB
3141# Generate default definitions for YACC, M4, LEX and other programs that run
3142# on the build machine. These are used if the Makefile can't locate these
3143# programs in objdir.
3144MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3145
3146AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3147case " $build_configdirs " in
3148 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB
3149esac
3150
3151AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3152case " $build_configdirs " in
3153 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3154esac
3155
3156AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3157case " $build_configdirs " in
3158 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3159esac
3160
3161AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3162case " $build_configdirs " in
3163 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3164 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3165esac
3166
3167AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3168case " $build_configdirs " in
3169 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3170esac
3171
3172AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3173case " $build_configdirs " in
3174 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3175 *)
3176changequote(,)
10ad8ef3 3177 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB
3178 # higher, else we use the "missing" dummy.
3179 if ${MAKEINFO} --version \
10ad8ef3 3180 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB
3181 :
3182 else
3183 MAKEINFO="$MISSING makeinfo"
3184 fi
3185 ;;
3186changequote([,])
3187esac
3188
3189# FIXME: expect and dejagnu may become build tools?
3190
3191AC_CHECK_PROGS(EXPECT, expect, expect)
3192case " $configdirs " in
3193 *" expect "*)
3194 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3195 ;;
3196esac
3197
3198AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3199case " $configdirs " in
3200 *" dejagnu "*)
6b89cc21 3201 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB
3202 ;;
3203esac
3204
3205
a0da8069 3206# Host tools.
05cbd757
PB
3207NCN_STRICT_CHECK_TOOLS(AR, ar)
3208NCN_STRICT_CHECK_TOOLS(AS, as)
3209NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3210NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3211NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3212NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO
3213NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3214NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3215NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3216NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB
3217NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3218NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
a0da8069
NN
3219AC_SUBST(CC)
3220AC_SUBST(CXX)
3221AC_SUBST(CFLAGS)
3222AC_SUBST(CXXFLAGS)
a0da8069 3223
be01d343 3224# Target tools.
2429c060 3225AC_ARG_WITH([build-time-tools],
7837304f
AS
3226 [AS_HELP_STRING([--with-build-time-tools=PATH],
3227 [use given path to find target tools during the build])],
2429c060
PB
3228 [case x"$withval" in
3229 x/*) ;;
3230 *)
3231 with_build_time_tools=
3232 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3233 ;;
3234 esac],
3235 [with_build_time_tools=])
3236
05cbd757
PB
3237NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3238NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB
3239NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3240NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3241NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3242NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB
3243
3244ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3245ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3246ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3247ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3248ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3249ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3250ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3251ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
2429c060
PB
3252ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3253ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3254ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3255
be01d343
PB
3256RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3257
3258GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3259GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3260GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3261dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3262GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
950386c6 3263 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
be01d343
PB
3264 c++)
3265GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3266 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3267 c++)
3268GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3269GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3270GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3271 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3272GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3273 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT
3274GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3275 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB
3276GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3277GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3278GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3279GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3280GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
9b980aa1 3281GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3282GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3283GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3284
be01d343 3285AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3286AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3287
a0da8069
NN
3288# Certain tools may need extra flags.
3289AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3290RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3291NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3292
be01d343
PB
3293# When building target libraries, except in a Canadian cross, we use
3294# the same toolchain as the compiler we just built.
3295COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3296COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3297COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3298if test $host = $build; then
3299 case " $configdirs " in
3300 *" gcc "*)
3301 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3302 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3303 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3304 ;;
3305 esac
3306fi
3307
3308AC_SUBST(COMPILER_AS_FOR_TARGET)
3309AC_SUBST(COMPILER_LD_FOR_TARGET)
3310AC_SUBST(COMPILER_NM_FOR_TARGET)
3311
6b784d9f
AO
3312AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3313AC_ARG_ENABLE(maintainer-mode,
7837304f
AS
3314[AS_HELP_STRING([--enable-maintainer-mode],
3315 [enable make rules and dependencies not useful
3316 (and sometimes confusing) to the casual installer])],
6b784d9f
AO
3317 USE_MAINTAINER_MODE=$enableval,
3318 USE_MAINTAINER_MODE=no)
3319AC_MSG_RESULT($USE_MAINTAINER_MODE)
3320AC_SUBST(MAINTAINER_MODE_TRUE)
3321AC_SUBST(MAINTAINER_MODE_FALSE)
3322if test "$USE_MAINTAINER_MODE" = yes; then
3323 MAINTAINER_MODE_TRUE=
3324 MAINTAINER_MODE_FALSE='#'
3325else
3326 MAINTAINER_MODE_TRUE='#'
3327 MAINTAINER_MODE_FALSE=
3328fi
3329MAINT=$MAINTAINER_MODE_TRUE
3330AC_SUBST(MAINT)dnl
3331
1d39f329
NN
3332# ---------------------
3333# GCC bootstrap support
3334# ---------------------
3335
3336# Stage specific cflags for build.
3337stage1_cflags="-g"
3338case $build in
3339 vax-*-*)
3340 case ${GCC} in
3341 yes) stage1_cflags="-g -Wa,-J" ;;
3342 *) stage1_cflags="-g -J" ;;
3343 esac ;;
1d39f329 3344esac
1d89b610
PB
3345
3346# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
e8a5fa9c 3347if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
1d89b610
PB
3348 saved_CFLAGS="$CFLAGS"
3349
3350 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3351 CFLAGS="$CFLAGS -fkeep-inline-functions"
3352 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2038f525
PB
3353 AC_TRY_COMPILE([
3354#if (__GNUC__ < 3) \
3355 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3356 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3357#error http://gcc.gnu.org/PR29382
3358#endif
3359 ],,
1d89b610
PB
3360 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3361 [AC_MSG_RESULT([no])])
3362
3363 CFLAGS="$saved_CFLAGS"
3364fi
3365
1d39f329
NN
3366AC_SUBST(stage1_cflags)
3367
8a0d8a5c
PB
3368# Enable --enable-checking in stage1 of the compiler.
3369AC_ARG_ENABLE(stage1-checking,
7837304f
AS
3370[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3371 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3372[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3373[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3374 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3375else
5566c1fa 3376 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB
3377fi])
3378AC_SUBST(stage1_checking)
3379
1d39f329 3380# Enable -Werror in bootstrap stage2 and later.
1d39f329 3381AC_ARG_ENABLE(werror,
7837304f
AS
3382[AS_HELP_STRING([--enable-werror],
3383 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3384[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB
3385 enable_werror=yes
3386else
3387 enable_werror=no
3388fi])
1a6f2dc7
NN
3389case ${enable_werror} in
3390 yes) stage2_werror_flag="--enable-werror-always" ;;
3391 *) stage2_werror_flag="" ;;
1d39f329 3392esac
1a6f2dc7 3393AC_SUBST(stage2_werror_flag)
1d39f329 3394
e8a5fa9c
RW
3395# Specify what files to not compare during bootstrap.
3396
3397compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3398case "$target" in
3399 hppa*64*-*-hpux*) ;;
3400 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3401esac
1f53ca9a
AO
3402case " $configdirs " in
3403*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3404esac
e8a5fa9c
RW
3405AC_SUBST(compare_exclusions)
3406
06a51eac
RW
3407AC_CONFIG_FILES([Makefile],
3408 [sed "$extrasub_build" Makefile |
3409 sed "$extrasub_host" |
3410 sed "$extrasub_target" > mf$$
3411 mv -f mf$$ Makefile],
3412 [extrasub_build="$extrasub_build"
3413 extrasub_host="$extrasub_host"
3414 extrasub_target="$extrasub_target"])
3415AC_OUTPUT
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