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[deliverable/binutils-gdb.git] / configure.ac
CommitLineData
92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
202e2356 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
ba98da75 3# Free Software Foundation, Inc.
252b5132
RH		 4#
5# This file is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
7ec59b9e 31m4_include([config/isl.m4])
e552509b 32m4_include([config/cloog.m4])
656fdd47 33
a0da8069 34AC_INIT(move-if-change)
d444d2ba 35AC_PREREQ(2.64)
34a0f3cf 36AC_DISABLE_OPTION_CHECKING
c6b750e1 37
5b553f7e
RW		 38progname=$0
39# if PWD already has a value, it is probably wrong.
40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41
42# Export original configure arguments for use by sub-configures.
43# Quote arguments with shell meta charatcers.
44TOPLEVEL_CONFIGURE_ARGUMENTS=
45set -- "$progname" "$@"
46for ac_arg
47do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57done
58if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60fi
61# Remove the initial space we just introduced and, as these will be
62# expanded by make, quote '$'.
63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65
c6b750e1
DJ		 66# Find the build, host, and target systems.
67ACX_NONCANONICAL_BUILD
68ACX_NONCANONICAL_HOST
69ACX_NONCANONICAL_TARGET
70
71dnl Autoconf 2.5x and later will set a default program prefix if
72dnl --target was used, even if it was the same as --host. Disable
73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74dnl to take effect.
75test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
79
a0da8069
NN		 80AC_CANONICAL_SYSTEM
81AC_ARG_PROGRAM
82
c6b750e1 83m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 84m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 85
e5c3f801
NN		 86# Get 'install' or 'install-sh' and its variants.
87AC_PROG_INSTALL
656fdd47 88ACX_PROG_LN
dfdffa2c 89AC_PROG_LN_S
8e957354
PB		 90AC_PROG_SED
91AC_PROG_AWK
e5c3f801 92
0fdbe983
DJ		 93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94
95# We pass INSTALL explicitly to sub-makes. Make sure that it is not
96# a relative path.
97if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99fi
100
a0da8069
NN		 101# Set srcdir to "." if that's what it is.
102# This is important for multilib support.
103pwd=`${PWDCMD-pwd}`
a0da8069
NN		 104if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106fi
107
108topsrcdir=$srcpwd
252b5132 109
ae831be5 110extra_host_args=
afefada0 111
252b5132
RH		 112### To add a new directory to the tree, first choose whether it is a target
113### or a host dependent tool. Then put it into the appropriate list
a2cc058a 114### (library or tools, host or target), doing a dependency sort.
252b5132 115
7ec59b9e 116# Subdirs will be configured in the order listed in build_configdirs,
a2cc058a
NN		 117# configdirs, or target_configdirs; see the serialization section below.
118
7ec59b9e
L		 119# Dependency sorting is only needed when *configuration* must be done in
120# a particular order. In all cases a dependency should be specified in
a2cc058a
NN		 121# the Makefile, whether or not it's implicitly specified here.
122
123# Double entries in build_configdirs, configdirs, or target_configdirs may
124# cause circular dependencies and break everything horribly.
252b5132 125
6a9cf61e
PB		 126# these library is used by various programs built for the build
127# environment
128#
129build_libs="build-libiberty"
130
131# these tools are built for the build environment
a90ef4bf 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 133
252b5132
RH		 134# these libraries are used by various programs built for the host environment
135#
7ec59b9e 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
252b5132 137
252b5132
RH		 138# these tools are built for the host environment
139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140# know that we are building the simulator.
2af579c4
NN		 141# binutils, gas and ld appear in that order because it makes sense to run
142# "make check" in that particular order.
e6de499b 143# If --enable-gold is used, "gold" may replace "ld".
a90ef4bf 144host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
75205f78
DD		 145
146# libgcj represents the runtime libraries only used by gcj.
147libgcj="target-libffi \
75205f78 148 target-zlib \
75205f78 149 target-libjava"
252b5132
RH		 150
151# these libraries are built for the target environment, and are built after
152# the host libraries and the host tools (which may be a cross compiler)
ffdd6afc 153# Note that libiberty is not a target library.
b1299c4e 154target_libraries="target-libgcc \
252b5132
RH		 155 target-libgloss \
156 target-newlib \
cff87f51 157 target-libgomp \
7ec59b9e 158 target-libatomic \
d32e2926 159 target-libitm \
b9459e83 160 target-libstdc++-v3 \
4b1cb4fe 161 target-libmudflap \
bb780410 162 target-libssp \
e552509b 163 target-libquadmath \
4b1cb4fe 164 target-libgfortran \
4f0ef2d8 165 target-boehm-gc \
83326456 166 ${libgcj} \
a2592b1b 167 target-libobjc \
e552509b
ILT		 168 target-libada \
169 target-libgo"
252b5132 170
9c14acb8
NN		 171# these tools are built using the target libraries, and are intended to
172# run only in the target environment
252b5132 173#
9c14acb8 174# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 175# list belongs in this list.
252b5132 176#
a90ef4bf 177target_tools="target-rda"
252b5132
RH		 178
179################################################################################
180
252b5132
RH		 181## All tools belong in one of the four categories, and are assigned above
182## We assign ${configdirs} this way to remove all embedded newlines. This
183## is important because configure will choke if they ever get through.
184## ${configdirs} is directories we build using the host tools.
185## ${target_configdirs} is directories we build using the target tools.
252b5132 186configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 187target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 188build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 189
9cc8ae67 190m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 191[case $srcdir in
192 *" "*)
193m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
194 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
195m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ;;
197esac
198ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 199])
200
252b5132
RH		 201################################################################################
202
252b5132
RH		 203srcname="gnu development package"
204
205# This gets set non-empty for some net releases of packages.
206appdirs=""
207
c712250a
DD		 208# Define is_cross_compiler to save on calls to 'test'.
209is_cross_compiler=
210if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=no
212else
213 is_cross_compiler=yes
7ec59b9e 214fi
c712250a 215
9175bfc0 216# Find the build and target subdir names.
dd12c3a8 217GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 218# Be sure to cover against remnants of an in-tree build.
219if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
220 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
221Use a pristine source tree when building in a separate tree])
222fi
252b5132 223
f48556b1
DD		 224# Skipdirs are removed silently.
225skipdirs=
226# Noconfigdirs are removed loudly.
227noconfigdirs=""
252b5132 228
f48556b1
DD		 229use_gnu_ld=
230# Make sure we don't let GNU ld be added if we didn't want it.
231if test x$with_gnu_ld = xno ; then
232 use_gnu_ld=no
93f9b408 233 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 234fi
235
f48556b1
DD		 236use_gnu_as=
237# Make sure we don't let GNU as be added if we didn't want it.
238if test x$with_gnu_as = xno ; then
239 use_gnu_as=no
240 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 241fi
242
700d40ca
ILT		 243use_included_zlib=
244# Make sure we don't let ZLIB be added if we didn't want it.
245if test x$with_system_zlib = xyes ; then
246 use_included_zlib=no
247 noconfigdirs="$noconfigdirs zlib"
248fi
249
7ec59b9e 250# some tools are so dependent upon X11 that if we're not building with X,
f48556b1 251# it's not even worth trying to configure, much less build, that tool.
252b5132 252
f48556b1
DD		 253case ${with_x} in
254 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 255 no)
675c6968 256 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8 257 # We won't be able to build gdbtk without X.
7ec59b9e 258 enable_gdbtk=no
ff0a3bf8 259 ;;
f48556b1
DD		 260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261esac
252b5132 262
0377a422 263# Some are only suitable for cross toolchains.
405ea7a0
NN		 264# Remove these if host=target.
265cross_only="target-libgloss target-newlib target-opcodes"
252b5132 266
f48556b1
DD		 267case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 269esac
252b5132 270
a32d391c
DD		 271# If both --with-headers and --with-libs are specified, default to
272# --without-newlib.
32be62b5
RS		 273if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 275 if test x"${with_newlib}" = x ; then
276 with_newlib=no
277 fi
278fi
279
280# Recognize --with-newlib/--without-newlib.
281case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284esac
285
c7791212
NC		 286# Handle --enable-gold, --enable-ld.
287# --disable-gold [--enable-ld]
288# Build only ld. Default option.
d3b50760
L		 289# --enable-gold [--enable-ld]
290# Build both gold and ld. Install gold as "ld.gold", install ld
291# as "ld.bfd" and "ld".
292# --enable-gold=default [--enable-ld]
c7791212
NC		 293# Build both gold and ld. Install gold as "ld.gold" and "ld",
294# install ld as "ld.bfd".
295# --enable-gold[=default] --disable-ld
296# Build only gold, which is then installed as both "ld.gold" and "ld".
297# --enable-gold --enable-ld=default
d3b50760
L		 298# Build both gold (installed as "ld.gold") and ld (installed as "ld"
299# and ld.bfd).
c7791212
NC		 300# In other words, ld is default
301# --enable-gold=default --enable-ld=default
302# Error.
303
304default_ld=
93f9b408 305AC_ARG_ENABLE(gold,
7837304f
AS		 306[AS_HELP_STRING([[--enable-gold[=ARG]]],
307 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 308ENABLE_GOLD=$enableval,
309ENABLE_GOLD=no)
c7791212
NC		 310case "${ENABLE_GOLD}" in
311 yes|default)
e6de499b
NC		 312 # Check for ELF target.
313 is_elf=no
314 case "${target}" in
315 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
316 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27 317 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
7ec59b9e 318 | *-*-solaris2* | *-*-nto*)
e6de499b
NC		 319 case "${target}" in
320 *-*-linux*aout* | *-*-linux*oldld*)
321 ;;
322 *)
323 is_elf=yes
324 ;;
325 esac
326 esac
327
328 if test "$is_elf" = "yes"; then
329 # Check for target supported by gold.
93f9b408 330 case "${target}" in
5c0b3823 331 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
c7791212
NC		 332 configdirs="$configdirs gold"
333 if test x${ENABLE_GOLD} = xdefault; then
334 default_ld=gold
335 fi
e6de499b 336 ENABLE_GOLD=yes
93f9b408
ILT		 337 ;;
338 esac
e6de499b
NC		 339 fi
340 ;;
341 no)
342 ;;
343 *)
344 AC_MSG_ERROR([invalid --enable-gold argument])
345 ;;
c7791212
NC		 346esac
347
348AC_ARG_ENABLE(ld,
7837304f
AS		 349[AS_HELP_STRING([[--enable-ld[=ARG]]],
350 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 351ENABLE_LD=$enableval,
352ENABLE_LD=yes)
353
354case "${ENABLE_LD}" in
355 default)
d3b50760 356 if test x${default_ld} != x; then
c7791212
NC		 357 AC_MSG_ERROR([either gold or ld can be the default ld])
358 fi
359 ;;
360 yes)
361 ;;
362 no)
363 if test x${ENABLE_GOLD} != xyes; then
364 AC_MSG_WARN([neither ld nor gold are enabled])
365 fi
366 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
367 ;;
368 *)
369 AC_MSG_ERROR([invalid --enable-ld argument])
370 ;;
371esac
93f9b408 372
252b5132
RH		 373# Configure extra directories which are host specific
374
375case "${host}" in
f48556b1 376 *-cygwin*)
3866be5d 377 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 378esac
379
59f7ec45
HPN		 380# A target can indicate whether a language isn't supported for some reason.
381# Only spaces may be used in this macro; not newlines or tabs.
382unsupported_languages=
383
7ec59b9e 384# Remove more programs from consideration, based on the host or
252b5132
RH		 385# target this usually means that a port of the program doesn't
386# exist yet.
387
252b5132 388case "${host}" in
3516a403 389 i[[3456789]]86-*-msdosdjgpp*)
6a608608 390 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 391 ;;
252b5132
RH		 392esac
393
4b1cb4fe 394
89a1e9c3
PB		 395AC_ARG_ENABLE(libquadmath,
396AS_HELP_STRING([--disable-libquadmath],
397 [do not build libquadmath directory]),
398ENABLE_LIBQUADMATH=$enableval,
399ENABLE_LIBQUADMATH=yes)
400if test "${ENABLE_LIBQUADMATH}" = "no" ; then
401 noconfigdirs="$noconfigdirs target-libquadmath"
402fi
403
404
405AC_ARG_ENABLE(libquadmath-support,
406AS_HELP_STRING([--disable-libquadmath-support],
407 [disable libquadmath support for Fortran]),
408ENABLE_LIBQUADMATH_SUPPORT=$enableval,
409ENABLE_LIBQUADMATH_SUPPORT=yes)
410enable_libquadmath_support=
411if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
412 enable_libquadmath_support=no
413fi
414
415
a2592b1b 416AC_ARG_ENABLE(libada,
7837304f 417[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 418ENABLE_LIBADA=$enableval,
419ENABLE_LIBADA=yes)
420if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 421 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 422fi
423
5f128533 424AC_ARG_ENABLE(libssp,
7837304f 425[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 426ENABLE_LIBSSP=$enableval,
427ENABLE_LIBSSP=yes)
5f128533 428
96111c10
AO		 429# Save it here so that, even in case of --enable-libgcj, if the Java
430# front-end isn't enabled, we still get libgcj disabled.
431libgcj_saved=$libgcj
432case $enable_libgcj in
433yes)
434 # If we reset it here, it won't get added to noconfigdirs in the
435 # target-specific build rules, so it will be forcibly enabled
436 # (unless the Java language itself isn't enabled).
437 libgcj=
438 ;;
439no)
440 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 441 # Don't disable libffi, though, other languages use it.
442 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 443 # Clear libgcj_saved so that even if java is enabled libffi won't be
444 # built.
445 libgcj_saved=
96111c10
AO		 446 ;;
447esac
448
ffdd6afc
ILT		 449AC_ARG_ENABLE(static-libjava,
450[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
451 [build static libjava @<:@default=no@:>@])],
452ENABLE_STATIC_LIBJAVA=$enableval,
453ENABLE_STATIC_LIBJAVA=no)
454enable_static_libjava=
455if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
456 enable_static_libjava=yes
457fi
458
459if test x$enable_static_libjava != xyes ; then
460 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
461fi
462AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 463
a6df5a19
PB		 464# Disable libmudflap on some systems.
465if test x$enable_libmudflap = x ; then
3e707e94 466 case "${target}" in
29383458 467 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 468 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 469 ;;
470 *-*-freebsd*)
471 # Enable libmudflap by default in FreeBSD.
472 ;;
473 *)
474 # Disable it by default everywhere else.
475 noconfigdirs="$noconfigdirs target-libmudflap"
476 ;;
477 esac
a6df5a19 478fi
4b1cb4fe 479
a6df5a19
PB		 480# Disable libgomp on non POSIX hosted systems.
481if test x$enable_libgomp = x ; then
b3ded179
PB		 482 # Enable libgomp by default on hosted POSIX systems.
483 case "${target}" in
29383458 484 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 485 ;;
5b806d27 486 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 487 ;;
2479f722 488 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 489 ;;
490 *-*-darwin* | *-*-aix*)
491 ;;
492 *)
493 noconfigdirs="$noconfigdirs target-libgomp"
494 ;;
495 esac
a6df5a19 496fi
b3ded179 497
7ec59b9e
L		 498# Disable libatomic on unsupported systems.
499if test -d ${srcdir}/libatomic; then
500 if test x$enable_libatomic = x; then
501 AC_MSG_CHECKING([for libatomic support])
502 if (srcdir=${srcdir}/libatomic; \
503 . ${srcdir}/configure.tgt; \
504 test -n "$UNSUPPORTED")
505 then
506 AC_MSG_RESULT([no])
507 noconfigdirs="$noconfigdirs target-libatomic"
508 else
509 AC_MSG_RESULT([yes])
510 fi
511 fi
512fi
513
d32e2926
RH		 514# Disable libitm on unsupported systems.
515if test -d ${srcdir}/libitm; then
516 if test x$enable_libitm = x; then
517 AC_MSG_CHECKING([for libitm support])
518 if (srcdir=${srcdir}/libitm; \
519 . ${srcdir}/configure.tgt; \
520 test -n "$UNSUPPORTED")
521 then
522 AC_MSG_RESULT([no])
523 noconfigdirs="$noconfigdirs target-libitm"
524 else
525 AC_MSG_RESULT([yes])
526 fi
527 fi
528fi
529
1488e230
DE		 530# Disable libquadmath for some systems.
531case "${target}" in
532 # libquadmath is unused on AIX and libquadmath build process use of
533 # LD_LIBRARY_PATH can break AIX bootstrap.
534 powerpc-*-aix* | rs6000-*-aix*)
535 noconfigdirs="$noconfigdirs target-libquadmath"
536 ;;
537esac
538
065a5627
JM		 539# Disable libssp for some systems.
540case "${target}" in
541 avr-*-*)
c5f5c3c2 542 # No hosted I/O support.
065a5627
JM		 543 noconfigdirs="$noconfigdirs target-libssp"
544 ;;
545 powerpc-*-aix* | rs6000-*-aix*)
546 noconfigdirs="$noconfigdirs target-libssp"
547 ;;
99c513f6 548 rl78-*-*)
202e2356
NC		 549 # libssp uses a misaligned load to trigger a fault, but the RL78
550 # doesn't fault for those - instead, it gives a build-time error
551 # for explicit misaligned loads.
99c513f6
DD		 552 noconfigdirs="$noconfigdirs target-libssp"
553 ;;
065a5627
JM		 554esac
555
065a5627
JM		 556# Disable libstdc++-v3 for some systems.
557case "${target}" in
558 *-*-vxworks*)
559 # VxWorks uses the Dinkumware C++ library.
560 noconfigdirs="$noconfigdirs target-libstdc++-v3"
561 ;;
562 arm*-wince-pe*)
563 # the C++ libraries don't build on top of CE's C libraries
564 noconfigdirs="$noconfigdirs target-libstdc++-v3"
565 ;;
566 avr-*-*)
567 noconfigdirs="$noconfigdirs target-libstdc++-v3"
568 ;;
569esac
570
571# Disable Fortran for some systems.
572case "${target}" in
573 mmix-*-*)
574 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
575 unsupported_languages="$unsupported_languages fortran"
576 ;;
577esac
578
0827f9a6 579# Disable Java if libffi is not supported.
9863d716 580case "${target}" in
0827f9a6
JM		 581 alpha*-*-*)
582 ;;
583 arm*-*-*)
584 ;;
585 cris-*-*)
586 ;;
587 frv-*-*)
588 ;;
589 hppa*-*-linux*)
590 ;;
591 hppa*-*-hpux*)
592 ;;
593 i?86-*-*)
594 ;;
595 ia64*-*-*)
596 ;;
597 m32r*-*-*)
598 ;;
599 m68k-*-*)
600 ;;
2479f722 601 mips*-*-rtems*)
0827f9a6
JM		 602 ;;
603 mips*-*-linux*)
604 ;;
605 powerpc*-*-linux*)
606 ;;
607 powerpc-*-darwin*)
608 ;;
609 powerpc-*-aix* | rs6000-*-aix*)
610 ;;
611 powerpc-*-freebsd*)
612 ;;
613 powerpc64-*-freebsd*)
614 ;;
615 powerpc*-*-rtems*)
9863d716 616 ;;
0827f9a6
JM		 617 s390-*-* | s390x-*-*)
618 ;;
619 sh-*-* | sh[[34]]*-*-*)
620 ;;
621 sh64-*-* | sh5*-*-*)
622 ;;
623 sparc*-*-*)
624 ;;
625 x86_64-*-*)
626 ;;
627 *-*-*)
628 unsupported_languages="$unsupported_languages java"
629 ;;
630esac
631
632# Disable Java, libgcj or related libraries for some systems.
633case "${target}" in
9863d716
JM		 634 powerpc-*-darwin*)
635 ;;
636 i[[3456789]]86-*-darwin*)
637 ;;
638 x86_64-*-darwin[[912]]*)
639 ;;
640 *-*-darwin*)
641 noconfigdirs="$noconfigdirs ${libgcj}"
642 ;;
9863d716
JM		 643 *-*-netware*)
644 noconfigdirs="$noconfigdirs ${libgcj}"
645 ;;
646 *-*-rtems*)
647 noconfigdirs="$noconfigdirs ${libgcj}"
648 ;;
649 *-*-tpf*)
650 noconfigdirs="$noconfigdirs ${libgcj}"
651 ;;
652 *-*-uclinux*)
653 noconfigdirs="$noconfigdirs ${libgcj}"
654 ;;
655 *-*-vxworks*)
656 noconfigdirs="$noconfigdirs ${libgcj}"
657 ;;
9863d716
JM		 658 alpha*-*-*vms*)
659 noconfigdirs="$noconfigdirs ${libgcj}"
660 ;;
0827f9a6 661 arm-wince-pe)
9863d716
JM		 662 noconfigdirs="$noconfigdirs ${libgcj}"
663 ;;
9863d716
JM		 664 arm*-*-symbianelf*)
665 noconfigdirs="$noconfigdirs ${libgcj}"
666 ;;
9863d716 667 bfin-*-*)
9863d716
JM		 668 noconfigdirs="$noconfigdirs target-boehm-gc"
669 ;;
9863d716
JM		 670 cris-*-* | crisv32-*-*)
671 unsupported_languages="$unsupported_languages java"
672 case "${target}" in
673 *-*-linux*)
674 ;;
675 *) # See PR46792 regarding target-libffi.
676 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
677 esac
678 ;;
9863d716
JM		 679 hppa*64*-*-linux*)
680 # In this case, it's because the hppa64-linux target is for
681 # the kernel only at this point and has no libc, and thus no
682 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 683 unsupported_languages="$unsupported_languages java"
9863d716 684 ;;
82ae827f 685 hppa*64*-*-hpux*)
9863d716
JM		 686 noconfigdirs="$noconfigdirs ${libgcj}"
687 ;;
688 hppa*-hp-hpux11*)
689 ;;
82ae827f 690 hppa*-*-hpux*)
9863d716
JM		 691 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
692 # build on HP-UX 10.20.
693 noconfigdirs="$noconfigdirs ${libgcj}"
694 ;;
9863d716
JM		 695 ia64*-*-*vms*)
696 noconfigdirs="$noconfigdirs ${libgcj}"
697 ;;
9863d716
JM		 698 i[[3456789]]86-w64-mingw*)
699 noconfigdirs="$noconfigdirs ${libgcj}"
700 ;;
701 i[[3456789]]86-*-mingw*)
702 noconfigdirs="$noconfigdirs ${libgcj}"
703 ;;
704 x86_64-*-mingw*)
705 noconfigdirs="$noconfigdirs ${libgcj}"
706 ;;
9863d716
JM		 707 mmix-*-*)
708 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 709 ;;
710 powerpc-*-aix*)
711 # copied from rs6000-*-* entry
712 noconfigdirs="$noconfigdirs ${libgcj}"
713 ;;
9863d716
JM		 714 rs6000-*-aix*)
715 noconfigdirs="$noconfigdirs ${libgcj}"
716 ;;
9863d716
JM		 717 *-*-lynxos*)
718 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 719 ;;
9863d716
JM		 720esac
721
691bb5a1
DD		 722# Default libgloss CPU subdirectory.
723libgloss_dir="$target_cpu"
4b1cb4fe 724
ff46fb8f
JM		 725case "${target}" in
726 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
727 libgloss_dir=wince
728 ;;
729 arm*-*-*)
730 libgloss_dir=arm
731 ;;
732 cris-*-* | crisv32-*-*)
733 libgloss_dir=cris
734 ;;
735 hppa*-*-*)
736 libgloss_dir=pa
737 ;;
738 i[[3456789]]86-*-*)
739 libgloss_dir=i386
740 ;;
741 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
742 libgloss_dir=m68hc11
743 ;;
744 m68*-*-* | fido-*-*)
745 libgloss_dir=m68k
746 ;;
747 mips*-*-*)
748 libgloss_dir=mips
749 ;;
750 powerpc*-*-*)
751 libgloss_dir=rs6000
752 ;;
753 sparc*-*-*)
754 libgloss_dir=sparc
755 ;;
756esac
757
c7e4b184 758# Disable newlib and libgloss for various target OSes.
252b5132 759case "${target}" in
c7e4b184
JM		 760 alpha*-dec-osf*)
761 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
762 ;;
763 i[[3456789]]86-*-linux*)
764 # This section makes it possible to build newlib natively on linux.
765 # If we are using a cross compiler then don't configure newlib.
766 if test x${is_cross_compiler} != xno ; then
767 noconfigdirs="$noconfigdirs target-newlib"
768 fi
769 noconfigdirs="$noconfigdirs target-libgloss"
770 # If we are not using a cross compiler, do configure newlib.
771 # Note however, that newlib will only be configured in this situation
772 # if the --with-newlib option has been given, because otherwise
773 # 'target-newlib' will appear in skipdirs.
774 ;;
775 i[[3456789]]86-*-rdos*)
776 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
777 ;;
778 sh*-*-pe|mips*-*-pe|arm-wince-pe)
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
780 ;;
781 sparc-*-sunos4*)
782 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
783 ;;
784 *-*-aix*)
785 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
786 ;;
787 *-*-beos*)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 ;;
75205f78 790 *-*-chorusos)
b2f14e4a 791 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 792 ;;
c7e4b184
JM		 793 *-*-dragonfly*)
794 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
795 ;;
796 *-*-freebsd*)
797 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
798 ;;
799 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
801 ;;
802 *-*-lynxos*)
803 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 804 ;;
c7e4b184
JM		 805 *-*-mingw*)
806 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
807 ;;
808 *-*-netbsd*)
809 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
810 ;;
811 *-*-netware*)
812 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
813 ;;
814 *-*-tpf*)
815 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
816 ;;
817 *-*-uclinux*)
818 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
819 ;;
820 *-*-vxworks*)
821 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
822 ;;
823esac
824
825case "${target}" in
826 *-*-chorusos)
827 ;;
24741ab2 828 powerpc-*-darwin*)
9d39db92 829 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 830 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 831 ;;
85bd1942
TG		 832 i[[3456789]]86-*-darwin*)
833 noconfigdirs="$noconfigdirs ld gprof"
834 noconfigdirs="$noconfigdirs sim target-rda"
835 ;;
e8a5fa9c 836 x86_64-*-darwin[[912]]*)
652dec25
TG		 837 noconfigdirs="$noconfigdirs ld gas gprof"
838 noconfigdirs="$noconfigdirs sim target-rda"
839 ;;
04d1ab34 840 *-*-darwin*)
d320aacb 841 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 842 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 843 ;;
5b806d27 844 *-*-dragonfly*)
5b806d27 845 ;;
de0b4a87 846 *-*-freebsd*)
4b1cb4fe
DD		 847 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
848 && test -f /usr/local/include/gmp.h; then
849 with_gmp=/usr/local
850 fi
4b1cb4fe 851 ;;
f8a495c8
NC		 852 *-*-kaos*)
853 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 854 noconfigdirs="$noconfigdirs target-libgloss"
855 ;;
e82380cc 856 *-*-netbsd*)
e82380cc 857 ;;
2a3124ca 858 *-*-netware*)
252b5132
RH		 859 ;;
860 *-*-rtems*)
9863d716 861 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 862 ;;
1587117a
EC		 863 # The tpf target doesn't support gdb yet.
864 *-*-tpf*)
c7e4b184 865 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 866 ;;
c1968181 867 *-*-uclinux*)
c7e4b184 868 noconfigdirs="$noconfigdirs target-rda"
c1968181 869 ;;
252b5132 870 *-*-vxworks*)
252b5132
RH		 871 ;;
872 alpha*-dec-osf*)
e99daf2b 873 # ld works, but does not support shared libraries.
252b5132 874 # gas doesn't generate exception information.
c7e4b184 875 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 876 ;;
877 alpha*-*-*vms*)
9863d716 878 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 879 ;;
252b5132
RH		 880 alpha*-*-*)
881 # newlib is not 64 bit ready
9863d716 882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 883 ;;
2fb651f6 884 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 885 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 886 ;;
252b5132 887 arc-*-*)
782cb41f 888 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 889 ;;
890 arm-*-pe*)
9863d716 891 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 892 ;;
252b5132 893 arm-*-riscix*)
b2f14e4a 894 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 895 ;;
ff72e302 896 c4x-*-* | tic4x-*-*)
b2f14e4a 897 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 898 ;;
b2f14e4a
JM		 899 tic54x-*-*)
900 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 901 ;;
252b5132 902 d10v-*-*)
b2f14e4a 903 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 904 ;;
252b5132 905 d30v-*-*)
b2f14e4a 906 noconfigdirs="$noconfigdirs gdb"
252b5132 907 ;;
252b5132 908 fr30-*-elf*)
9863d716 909 noconfigdirs="$noconfigdirs gdb"
252b5132 910 ;;
20135e4c 911 moxie-*-*)
20135e4c
NC		 912 noconfigdirs="$noconfigdirs gprof"
913 ;;
dd1e52a4 914 h8300*-*-*)
9863d716 915 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 916 ;;
252b5132 917 h8500-*-*)
b2f14e4a 918 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 919 ;;
caeba88f 920 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 921 ;;
93cc359e 922 hppa*64*-*-linux*)
252b5132 923 ;;
f0ff0f90 924 hppa*-*-linux*)
5dcac624 925 ;;
252b5132 926 hppa*-*-*elf* | \
09e90eb4 927 hppa*-*-lites* | \
17240c1f 928 hppa*-*-openbsd* | \
09e90eb4 929 hppa*64*-*-*)
4f0ef2d8
CD		 930 ;;
931 hppa*-hp-hpux11*)
0377a422 932 noconfigdirs="$noconfigdirs ld"
252b5132 933 ;;
691bb5a1 934 hppa*-*-pro*)
691bb5a1 935 ;;
252b5132 936 hppa*-*-*)
9863d716 937 noconfigdirs="$noconfigdirs ld"
252b5132 938 ;;
b07c2aad 939 i960-*-*)
b2f14e4a 940 noconfigdirs="$noconfigdirs gdb"
b07c2aad 941 ;;
2315914d
JW		 942 ia64*-*-elf*)
943 # No gdb support yet.
0377a422 944 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 945 ;;
a0c1c920 946 ia64*-**-hpux*)
92c9a463 947 # No ld support yet.
9863d716 948 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 949 ;;
19e99079 950 ia64*-*-*vms*)
7ec59b9e
L		 951 # No ld support yet.
952 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 953 ;;
1f53ca9a 954 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 955 ;;
956 i[[3456789]]86-*-mingw*)
45055374 957 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 958 ;;
252b5132
RH		 959 *-*-cygwin*)
960 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 961 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 962 # always build newlib if winsup directory is present.
45055374 963 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 964 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 965 elif test -d "$srcdir/newlib"; then
45055374 966 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 967 fi
1f53ca9a 968 ;;
ec11bdc6 969 i[[3456789]]86-*-pe)
782cb41f 970 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 971 ;;
ec11bdc6 972 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 973 # The linker does not yet know about weak symbols in COFF,
974 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 975 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 976 ;;
ec11bdc6 977 i[[3456789]]86-*-sco*)
b2f14e4a 978 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 979 ;;
cff32a7c 980 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 981 noconfigdirs="$noconfigdirs target-libgloss"
982 ;;
ec11bdc6 983 i[[3456789]]86-*-sysv4*)
b2f14e4a 984 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 985 ;;
ec11bdc6 986 i[[3456789]]86-*-beos*)
c7e4b184 987 noconfigdirs="$noconfigdirs gdb"
bba45b8b 988 ;;
b59bea8a 989 i[[3456789]]86-*-rdos*)
c7e4b184 990 noconfigdirs="$noconfigdirs gdb"
691bb5a1 991 ;;
75205f78 992 mmix-*-*)
9863d716 993 noconfigdirs="$noconfigdirs gdb"
75205f78 994 ;;
4970f871 995 mt-*-*)
cdb9b172
AH		 996 noconfigdirs="$noconfigdirs sim"
997 ;;
252b5132
RH		 998 powerpc-*-aix*)
999 # copied from rs6000-*-* entry
c7e4b184 1000 noconfigdirs="$noconfigdirs gprof"
252b5132 1001 ;;
93cc359e 1002 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1003 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1004 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1005 # always build newlib.
1006 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1007 ;;
1008 # This is temporary until we can link against shared libraries
1009 powerpcle-*-solaris*)
b2f14e4a 1010 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1011 ;;
1012 powerpc-*-beos*)
c7e4b184 1013 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1014 ;;
1015 rs6000-*-lynxos*)
c7e4b184 1016 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1017 ;;
1018 rs6000-*-aix*)
c7e4b184 1019 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1020 ;;
1021 rs6000-*-*)
9863d716 1022 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1023 ;;
1024 m68k-apollo-*)
b2f14e4a 1025 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1026 ;;
25a07265 1027 microblaze*)
9863d716 1028 noconfigdirs="$noconfigdirs gprof"
25a07265 1029 ;;
5bd8be13 1030 mips*-sde-elf*)
5bd8be13
RS		 1031 if test x$with_newlib = xyes; then
1032 noconfigdirs="$noconfigdirs gprof"
1033 fi
5bd8be13 1034 ;;
252b5132 1035 mips*-*-irix5*)
b2f14e4a 1036 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1037 ;;
1038 mips*-*-irix6*)
9863d716 1039 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1040 ;;
252b5132 1041 mips*-*-bsd*)
b2f14e4a 1042 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1043 ;;
fad93c55 1044 mips*-*-linux*)
fad93c55 1045 ;;
252b5132 1046 mips*-*-*)
9863d716 1047 noconfigdirs="$noconfigdirs gprof"
252b5132 1048 ;;
dbf85af7 1049 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1050 case "${target}" in
1051 sh*-*-elf)
9863d716 1052 ;;
e8a5fa9c 1053 *)
9863d716 1054 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1055 esac
252b5132 1056 ;;
252b5132 1057 sparc-*-sunos4*)
c7e4b184 1058 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1059 use_gnu_ld=no
1060 fi
1061 ;;
619a3713 1062 tic6x-*-*)
40ae9136 1063 noconfigdirs="$noconfigdirs sim"
619a3713 1064 ;;
eb4b2452
NC		 1065 tilepro-*-* | tilegx-*-*)
1066 noconfigdirs="$noconfigdirs sim"
1067 ;;
252b5132 1068 v810-*-*)
b2f14e4a 1069 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1070 ;;
1071 vax-*-*)
9863d716 1072 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1073 ;;
252b5132
RH		 1074esac
1075
1076# If we aren't building newlib, then don't build libgloss, since libgloss
1077# depends upon some newlib header files.
1078case "${noconfigdirs}" in
1079 *target-libgloss*) ;;
1080 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1081esac
252b5132 1082
f48556b1 1083# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1084host_makefile_frag=/dev/null
f48556b1
DD		 1085if test -d ${srcdir}/config ; then
1086case "${host}" in
ec11bdc6 1087 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1088 host_makefile_frag="config/mh-djgpp"
1089 ;;
1090 *-cygwin*)
e33b51a6 1091 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1092 host_makefile_frag="config/mh-cygwin"
1093 ;;
8a1599ab 1094 *-mingw*)
84e7906e 1095 host_makefile_frag="config/mh-mingw"
80f6dcbc 1096 ;;
da888c87 1097 hppa*-hp-hpux10*)
da888c87 1098 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1099 ;;
3516a403 1100 hppa*-hp-hpux*)
da888c87
PB		 1101 host_makefile_frag="config/mh-pa"
1102 ;;
7ec59b9e 1103 hppa*-*)
da888c87
PB		 1104 host_makefile_frag="config/mh-pa"
1105 ;;
e552509b
ILT		 1106 *-*-darwin*)
1107 host_makefile_frag="config/mh-darwin"
0df3d27f 1108 ;;
f6d183c0
PB		 1109 powerpc-*-aix*)
1110 host_makefile_frag="config/mh-ppc-aix"
1111 ;;
1112 rs6000-*-aix*)
1113 host_makefile_frag="config/mh-ppc-aix"
1114 ;;
f48556b1
DD		 1115esac
1116fi
1117
9e07f89d 1118if test "${build}" != "${host}" ; then
b5714970
PB		 1119 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1120 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1121 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1122 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1123 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1124 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1125 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1126 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1127 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1128 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1129 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1130 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1131 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1132else
b5714970
PB		 1133 AR_FOR_BUILD="\$(AR)"
1134 AS_FOR_BUILD="\$(AS)"
9e07f89d 1135 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1136 CXX_FOR_BUILD="\$(CXX)"
1137 GCJ_FOR_BUILD="\$(GCJ)"
1138 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1139 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1140 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1141 LD_FOR_BUILD="\$(LD)"
1142 NM_FOR_BUILD="\$(NM)"
1143 RANLIB_FOR_BUILD="\$(RANLIB)"
1144 WINDRES_FOR_BUILD="\$(WINDRES)"
1145 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1146fi
9e07f89d 1147
24ff9987
DJ		 1148AC_PROG_CC
1149AC_PROG_CXX
1150
1151# We must set the default linker to the linker used by gcc for the correct
1152# operation of libtool. If LD is not defined and we are using gcc, try to
1153# set the LD default to the ld used by gcc.
1154if test -z "$LD"; then
1155 if test "$GCC" = yes; then
1156 case $build in
1157 *-*-mingw*)
1158 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1159 *)
1160 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1161 esac
1162 case $gcc_prog_ld in
1163 # Accept absolute paths.
1164 [[\\/]* | [A-Za-z]:[\\/]*)]
1165 LD="$gcc_prog_ld" ;;
1166 esac
1167 fi
9e07f89d
NN		 1168fi
1169
1170ACX_PROG_GNAT
b8908782 1171ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1172
ffdd6afc
ILT		 1173AC_ARG_ENABLE([bootstrap],
1174[AS_HELP_STRING([--enable-bootstrap],
1175 [enable bootstrapping @<:@yes if native build@:>@])],,
1176enable_bootstrap=default)
1177
1178# Issue errors and warnings for invalid/strange bootstrap combinations.
1179if test -r $srcdir/gcc/configure; then
1180 have_compiler=yes
1181else
1182 have_compiler=no
1183fi
1184
1185case "$have_compiler:$host:$target:$enable_bootstrap" in
1186 *:*:*:no) ;;
1187
1188 # Default behavior. Enable bootstrap if we have a compiler
1189 # and we are in a native configuration.
1190 yes:$build:$build:default)
1191 enable_bootstrap=yes ;;
1192
1193 *:*:*:default)
1194 enable_bootstrap=no ;;
1195
1196 # We have a compiler and we are in a native configuration, bootstrap is ok
1197 yes:$build:$build:yes)
1198 ;;
1199
1200 # Other configurations, but we have a compiler. Assume the user knows
1201 # what he's doing.
1202 yes:*:*:yes)
1203 AC_MSG_WARN([trying to bootstrap a cross compiler])
1204 ;;
1205
1206 # No compiler: if they passed --enable-bootstrap explicitly, fail
1207 no:*:*:yes)
1208 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1209
1210 # Fail if wrong command line
1211 *)
1212 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1213 ;;
1214esac
1215
d5f2ee2e
KG		 1216# Used for setting $lt_cv_objdir
1217_LT_CHECK_OBJDIR
1218
e8a5fa9c 1219# Check for GMP, MPFR and MPC
d9b76ff9 1220gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1221gmpinc=
4b900473 1222have_gmp=no
e8a5fa9c
RW		 1223
1224# Specify a location for mpc
1225# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1226AC_ARG_WITH(mpc,
1227[AS_HELP_STRING([--with-mpc=PATH],
1228 [specify prefix directory for installed MPC package.
1229 Equivalent to --with-mpc-include=PATH/include
1230 plus --with-mpc-lib=PATH/lib])])
1231AC_ARG_WITH(mpc-include,
1232[AS_HELP_STRING([--with-mpc-include=PATH],
1233 [specify directory for installed MPC include files])])
1234AC_ARG_WITH(mpc-lib,
1235[AS_HELP_STRING([--with-mpc-lib=PATH],
1236 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1237
1238if test "x$with_mpc" != x; then
d9b76ff9
KG		 1239 gmplibs="-L$with_mpc/lib $gmplibs"
1240 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1241fi
1242if test "x$with_mpc_include" != x; then
d9b76ff9 1243 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1244fi
1245if test "x$with_mpc_lib" != x; then
d9b76ff9 1246 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1247fi
1248if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1249 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1250 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1251 # Do not test the mpc version. Assume that it is sufficient, since
1252 # it is in the source tree, and the library has not been built yet
1253 # but it would be included on the link line in the version check below
1254 # hence making the test fail.
d9b76ff9 1255 have_gmp=yes
e8a5fa9c 1256fi
4b900473 1257
11b04d1f
DD		 1258# Specify a location for mpfr
1259# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1260AC_ARG_WITH(mpfr-dir,
1261[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1262[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1263Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1264
1265AC_ARG_WITH(mpfr,
1266[AS_HELP_STRING([--with-mpfr=PATH],
1267 [specify prefix directory for installed MPFR package.
1268 Equivalent to --with-mpfr-include=PATH/include
1269 plus --with-mpfr-lib=PATH/lib])])
1270AC_ARG_WITH(mpfr-include,
1271[AS_HELP_STRING([--with-mpfr-include=PATH],
1272 [specify directory for installed MPFR include files])])
1273AC_ARG_WITH(mpfr-lib,
1274[AS_HELP_STRING([--with-mpfr-lib=PATH],
1275 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1276
1277if test "x$with_mpfr" != x; then
1278 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1279 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1280fi
8a0d8a5c 1281if test "x$with_mpfr_include" != x; then
d9b76ff9 1282 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1283fi
1284if test "x$with_mpfr_lib" != x; then
1285 gmplibs="-L$with_mpfr_lib $gmplibs"
1286fi
4b900473 1287if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1288 # MPFR v3.1.0 moved the sources into a src sub-directory.
1289 if test -d ${srcdir}/mpfr/src; then
1290 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1291 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1292 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1293 else
1294 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1295 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1296 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1297 fi
4b900473
PB		 1298 # Do not test the mpfr version. Assume that it is sufficient, since
1299 # it is in the source tree, and the library has not been built yet
1300 # but it would be included on the link line in the version check below
1301 # hence making the test fail.
1302 have_gmp=yes
1303fi
11b04d1f 1304
4b1cb4fe 1305# Specify a location for gmp
7837304f
AS		 1306AC_ARG_WITH(gmp-dir,
1307[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1308[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1309Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1310
1311AC_ARG_WITH(gmp,
1312[AS_HELP_STRING([--with-gmp=PATH],
1313 [specify prefix directory for the installed GMP package.
1314 Equivalent to --with-gmp-include=PATH/include
1315 plus --with-gmp-lib=PATH/lib])])
1316AC_ARG_WITH(gmp-include,
1317[AS_HELP_STRING([--with-gmp-include=PATH],
1318 [specify directory for installed GMP include files])])
1319AC_ARG_WITH(gmp-lib,
1320[AS_HELP_STRING([--with-gmp-lib=PATH],
1321 [specify directory for the installed GMP library])])
4b1cb4fe 1322
4b1cb4fe 1323
11b04d1f
DD		 1324if test "x$with_gmp" != x; then
1325 gmplibs="-L$with_gmp/lib $gmplibs"
1326 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1327fi
8a0d8a5c
PB		 1328if test "x$with_gmp_include" != x; then
1329 gmpinc="-I$with_gmp_include $gmpinc"
1330fi
1331if test "x$with_gmp_lib" != x; then
1332 gmplibs="-L$with_gmp_lib $gmplibs"
1333fi
4b900473 1334if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1335 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1336 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1337 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1338 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1339 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1340 # Do not test the gmp version. Assume that it is sufficient, since
1341 # it is in the source tree, and the library has not been built yet
1342 # but it would be included on the link line in the version check below
1343 # hence making the test fail.
1344 have_gmp=yes
1345fi
4b1cb4fe 1346
ceb92e78 1347if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1348 have_gmp=yes
1349 saved_CFLAGS="$CFLAGS"
1350 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1351 # Check for the recommended and required versions of GMP.
1352 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1353 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1354 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1355 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1356 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
9dbaa842 1357 choke me
4b900473 1358 #endif
a009f2e7 1359 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1360 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1361 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1362 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1363 choke me
1364 #endif
a009f2e7 1365 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1366 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1367
e8a5fa9c 1368 # If we have GMP, check the MPFR version.
4b900473 1369 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1370 # Check for the recommended and required versions of MPFR.
1371 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1372 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1373 #include <mpfr.h>],[
7ec59b9e 1374 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1375 choke me
1376 #endif
a009f2e7 1377 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1378 #include <mpfr.h>],[
a6b5846e 1379 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1380 choke me
1381 #endif
a009f2e7 1382 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1383 [AC_MSG_RESULT([no]); have_gmp=no])
1384 fi
1385
1386 # Check for the MPC header version.
d9b76ff9 1387 if test x"$have_gmp" = xyes ; then
a6b5846e 1388 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1389 AC_MSG_CHECKING([for the correct version of mpc.h])
1390 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1391 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1392 choke me
1393 #endif
a009f2e7 1394 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1395 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1396 choke me
1397 #endif
a009f2e7 1398 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1399 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1400 fi
1401
1402 # Now check the MPFR library.
1403 if test x"$have_gmp" = xyes; then
1404 saved_LIBS="$LIBS"
1405 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1406 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1407 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1408 mpfr_t n;
1409 mpfr_t x;
d9b76ff9 1410 mpc_t c;
4b900473 1411 int t;
a3ca38d2
DD		 1412 mpfr_init (n);
1413 mpfr_init (x);
4b900473
PB		 1414 mpfr_atan2 (n, n, x, GMP_RNDN);
1415 mpfr_erfc (n, x, GMP_RNDN);
1416 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1417 mpfr_clear(n);
1418 mpfr_clear(x);
1419 mpc_init2 (c, 53);
1420 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1421 mpc_cosh (c, c, MPC_RNDNN);
1422 mpc_pow (c, c, c, MPC_RNDNN);
1423 mpc_acosh (c, c, MPC_RNDNN);
1424 mpc_clear (c);
e8a5fa9c
RW		 1425 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1426 LIBS="$saved_LIBS"
4b900473 1427 fi
e8a5fa9c 1428
4b900473 1429 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1430
a6b5846e
KG		 1431# The library versions listed in the error message below should match
1432# the HARD-minimums enforced above.
4b900473 1433 if test x$have_gmp != xyes; then
7ec59b9e 1434 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1435Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1436their locations. Source code for these libraries can be found at
1437their respective hosting sites as well as at
1438ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1439http://gcc.gnu.org/install/prerequisites.html for additional info. If
1440you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1441make sure that you have installed both the libraries and the header
1442files. They may be located in separate packages.])
4b900473 1443 fi
9dbaa842
DD		 1444fi
1445
e8a5fa9c 1446# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1447AC_SUBST(gmplibs)
1448AC_SUBST(gmpinc)
e8a5fa9c
RW		 1449AC_SUBST(extra_mpfr_configure_flags)
1450AC_SUBST(extra_mpc_gmp_configure_flags)
1451AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1452AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1453
29383458 1454# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1455AC_ARG_WITH(host-libstdcxx,
1456[AS_HELP_STRING([--with-host-libstdcxx=L],
1457 [use linker arguments L to link with libstdc++
1458 when linking with PPL])])
29383458
JM		 1459
1460case $with_host_libstdcxx in
1461 no|yes)
1462 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1463 ;;
1464esac
e28c595f 1465
e8a5fa9c
RW		 1466# Linker flags to use for stage1 or when not boostrapping.
1467AC_ARG_WITH(stage1-ldflags,
7837304f 1468[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
e8a5fa9c
RW		 1469[if test "$withval" = "no" -o "$withval" = "yes"; then
1470 stage1_ldflags=
1471 else
1472 stage1_ldflags=$withval
1473 fi],
1474[stage1_ldflags=])
1475AC_SUBST(stage1_ldflags)
1476
1477# Libraries to use for stage1 or when not bootstrapping.
1478AC_ARG_WITH(stage1-libs,
7837304f 1479[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1480[if test "$withval" = "no" -o "$withval" = "yes"; then
1481 stage1_libs=
1482 else
1483 stage1_libs=$withval
1484 fi],
1485[stage1_libs=$with_host_libstdcxx])
1486AC_SUBST(stage1_libs)
1487
e8a5fa9c
RW		 1488# Libraries to use for stage2 and later builds. This defaults to the
1489# argument passed to --with-host-libstdcxx.
1490AC_ARG_WITH(boot-libs,
7837304f 1491[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1492[if test "$withval" = "no" -o "$withval" = "yes"; then
1493 poststage1_libs=
1494 else
1495 poststage1_libs=$withval
1496 fi],
1497[poststage1_libs=$with_host_libstdcxx])
1498AC_SUBST(poststage1_libs)
1499
143754cd
NC		 1500# Linker flags to use for stage2 and later builds.
1501AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1502[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1503 [linker flags for stage2 and later])],
143754cd
NC		 1504[if test "$withval" = "no" -o "$withval" = "yes"; then
1505 poststage1_ldflags=
1506 else
1507 poststage1_ldflags=$withval
1508 fi],
1509[poststage1_ldflags=
4f11b223
ILT		 1510 # In stages 2 and 3, default to linking libstdc++ and libgcc
1511 # statically. But if the user explicitly specified the libraries to
1512 # use, trust that they are doing what they want.
1513 if test "$poststage1_libs" = ""; then
143754cd
NC		 1514 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1515 fi])
1516AC_SUBST(poststage1_ldflags)
1517
7ec59b9e
L		 1518# Check for ISL
1519dnl Provide configure switches and initialize islinc & isllibs
1520dnl with user input.
1521ISL_INIT_FLAGS
1522if test "x$with_isl" != "xno"; then
1523 dnl The minimal version of ISL required for Graphite.
1524 ISL_CHECK_VERSION(0,10)
b123da99 1525
7ec59b9e
L		 1526 dnl Only execute fail-action, if ISL has been requested.
1527 ISL_IF_FAILED([
1528 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f
JM		 1529fi
1530
e28c595f 1531# Check for CLOOG
e552509b
ILT		 1532dnl Provide configure switches and initialize clooginc & clooglibs
1533dnl with user input.
1534CLOOG_INIT_FLAGS
7ec59b9e
L		 1535if test "x$isllibs" = x && test "x$islinc" = x; then
1536 clooglibs=
1537 clooginc=
1538elif test "x$with_cloog" != "xno"; then
8d8eef9a 1539 dnl The minimal version of CLooG required for Graphite.
e552509b 1540 dnl
8d8eef9a
RW		 1541 dnl If we use CLooG-Legacy, the provided version information is
1542 dnl ignored.
7ec59b9e 1543 CLOOG_CHECK_VERSION(0,17,0)
e552509b 1544
8d8eef9a 1545 dnl Only execute fail-action, if CLooG has been requested.
e552509b 1546 CLOOG_IF_FAILED([
8d8eef9a 1547 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
e28c595f
JM		 1548fi
1549
7ec59b9e
L		 1550# If either the ISL or the CLooG check failed, disable builds of in-tree
1551# variants of both
1552if test "x$clooglibs" = x && test "x$clooginc" = x; then
1553 noconfigdirs="$noconfigdirs cloog isl"
1554fi
1555
700d40ca
ILT		 1556# Check for LTO support.
1557AC_ARG_ENABLE(lto,
7837304f 1558[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1559enable_lto=$enableval,
1560enable_lto=yes; default_enable_lto=yes)
1561
74cea91b
DK		 1562ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1563 build_lto_plugin=yes
1564],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1565 case $target in
899b04ef 1566 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1567 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1568 *) enable_lto=no ;;
1569 esac
e49e5c92 1570 else
29821356
RW		 1571 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1572 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1573 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1574 # warn during gcc/ subconfigure; unless you're bootstrapping with
1575 # -flto it won't be needed until after installation anyway.
1576 case $target in
a8eb3f0a 1577 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1578 *) if test x"$enable_lto" = x"yes"; then
1579 AC_MSG_ERROR([LTO support is not enabled for this target.])
1580 fi
1581 ;;
1582 esac
1583 fi
a8eb3f0a 1584 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1585 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1586 case $target in
74cea91b 1587 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1588 *) ;;
1589 esac
74cea91b 1590])
700d40ca 1591
e28c595f 1592
7ec59b9e 1593# By default, C and C++ are the only stage 1 languages.
9b134994 1594stage1_languages=,c,
1d39f329 1595
e8a5fa9c 1596# Target libraries that we bootstrap.
2aa2364a 1597bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1598
9e07f89d
NN		 1599# Figure out what language subdirectories are present.
1600# Look if the user specified --enable-languages="..."; if not, use
1601# the environment variable $LANGUAGES if defined. $LANGUAGES might
1602# go away some day.
1603# NB: embedded tabs in this IF block -- do not untabify
1604if test -d ${srcdir}/gcc; then
1605 if test x"${enable_languages+set}" != xset; then
1606 if test x"${LANGUAGES+set}" = xset; then
1607 enable_languages="${LANGUAGES}"
1608 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1609 else
1610 enable_languages=all
1611 fi
1612 else
1613 if test x"${enable_languages}" = x ||
1614 test x"${enable_languages}" = xyes;
1615 then
1616 echo configure.in: --enable-languages needs at least one language argument 1>&2
1617 exit 1
1618 fi
1619 fi
1620 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1621
096f7d00
DE		 1622 # 'f95' is the old name for the 'fortran' language. We issue a warning
1623 # and make the substitution.
1624 case ,${enable_languages}, in
1625 *,f95,*)
1626 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1627 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1628 ;;
1629 esac
1630
7ec59b9e
L		 1631 # If bootstrapping, C++ must be enabled.
1632 case ",$enable_languages,:$enable_bootstrap" in
1633 *,c++,*:*) ;;
1634 *:yes)
ffdd6afc
ILT		 1635 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1636 enable_languages="${enable_languages},c++"
1637 else
7ec59b9e 1638 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1639 fi
1640 ;;
1641 esac
1642
9e07f89d
NN		 1643 # First scan to see if an enabled language requires some other language.
1644 # We assume that a given config-lang.in will list all the language
1645 # front ends it requires, even if some are required indirectly.
1646 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1647 case ${lang_frag} in
1648 ..) ;;
1649 # The odd quoting in the next line works around
1650 # an apparent bug in bash 1.12 on linux.
1651 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1652 *)
e552509b
ILT		 1653 # From the config-lang.in, get $language, $lang_requires, and
1654 # $lang_requires_boot_languages.
9e07f89d
NN		 1655 language=
1656 lang_requires=
e552509b 1657 lang_requires_boot_languages=
9e07f89d 1658 . ${lang_frag}
e552509b 1659 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1660 case ,${enable_languages}, in
1661 *,$other,*) ;;
1662 *,all,*) ;;
1663 *,$language,*)
1664 echo " \`$other' language required by \`$language'; enabling" 1>&2
1665 enable_languages="${enable_languages},${other}"
1666 ;;
1667 esac
1668 done
e552509b
ILT		 1669 for other in ${lang_requires_boot_languages} ; do
1670 if test "$other" != "c"; then
1671 case ,${enable_stage1_languages}, in
1672 *,$other,*) ;;
1673 *,all,*) ;;
1674 *)
1675 case ,${enable_languages}, in
1676 *,$language,*)
1677 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1678 enable_stage1_languages="$enable_stage1_languages,${other}"
1679 ;;
1680 esac
1681 ;;
1682 esac
1683 fi
1684 done
9e07f89d
NN		 1685 ;;
1686 esac
1687 done
1688
9b134994 1689 new_enable_languages=,c,
700d40ca
ILT		 1690
1691 # If LTO is enabled, add the LTO front end.
1692 extra_host_libiberty_configure_flags=
1693 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1694 case ,${enable_languages}, in
1695 *,lto,*) ;;
1696 *) enable_languages="${enable_languages},lto" ;;
1697 esac
a8eb3f0a 1698 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1699 configdirs="$configdirs lto-plugin"
1700 extra_host_libiberty_configure_flags=--enable-shared
1701 fi
1702 fi
1703 AC_SUBST(extra_host_libiberty_configure_flags)
1704
9e07f89d 1705 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1706 potential_languages=,c,
9e07f89d 1707
9e1a94f4
ILT		 1708 enabled_target_libs=
1709 disabled_target_libs=
1710
9e07f89d
NN		 1711 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1712 case ${lang_frag} in
1713 ..) ;;
1714 # The odd quoting in the next line works around
1715 # an apparent bug in bash 1.12 on linux.
1716 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1717 *)
7ec59b9e 1718 # From the config-lang.in, get $language, $target_libs,
1d39f329 1719 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1720 language=
1721 target_libs=
1722 lang_dirs=
64ce424c 1723 subdir_requires=
9b134994
PB		 1724 boot_language=no
1725 build_by_default=yes
9e07f89d 1726 . ${lang_frag}
9b134994
PB		 1727 if test x${language} = x; then
1728 echo "${lang_frag} doesn't set \$language." 1>&2
1729 exit 1
1730 fi
1731
ffdd6afc 1732 if test "$language" = "c++"; then
7ec59b9e 1733 boot_language=yes
e8a5fa9c
RW		 1734 fi
1735
9b134994
PB		 1736 case ,${enable_languages}, in
1737 *,${language},*)
7ec59b9e
L		 1738 # Language was explicitly selected; include it
1739 # unless it is C, which is enabled by default.
1740 if test "$language" != "c"; then
1741 add_this_lang=yes
1742 fi
9e07f89d 1743 ;;
9b134994
PB		 1744 *,all,*)
1745 # 'all' was selected, select it if it is a default language
1746 add_this_lang=${build_by_default}
9e07f89d
NN		 1747 ;;
1748 *)
1749 add_this_lang=no
1750 ;;
1751 esac
4b1cb4fe 1752
64ce424c 1753 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1754 for i in $subdir_requires; do
3d3adb43 1755 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1756 case ,${enable_languages}, in
1757 *,${language},*)
1758 # Specifically requested language; tell them.
1759 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1760 ;;
1761 *)
1762 # Silently disable.
9b134994 1763 add_this_lang=unsupported
64ce424c
PB		 1764 ;;
1765 esac
1766 done
1767
9b134994
PB		 1768 # Disable Ada if no preexisting GNAT is available.
1769 case ,${enable_languages},:${language}:${have_gnat} in
1770 *,${language},*:ada:no)
1771 # Specifically requested language; tell them.
1772 AC_MSG_ERROR([GNAT is required to build $language])
1773 ;;
1774 *:ada:no)
1775 # Silently disable.
1776 add_this_lang=unsupported
1777 ;;
1778 esac
1779
59f7ec45
HPN		 1780 # Disable a language that is unsupported by the target.
1781 case " $unsupported_languages " in
1782 *" $language "*)
9b134994 1783 add_this_lang=unsupported
59f7ec45
HPN		 1784 ;;
1785 esac
1786
4b1cb4fe 1787 case $add_this_lang in
9b134994 1788 unsupported)
9e07f89d 1789 # Remove language-dependent dirs.
9e1a94f4
ILT		 1790 disabled_target_libs="$disabled_target_libs $target_libs"
1791 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1792 ;;
9b134994
PB		 1793 no)
1794 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1795 disabled_target_libs="$disabled_target_libs $target_libs"
1796 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1797 potential_languages="${potential_languages}${language},"
1798 ;;
1799 yes)
1800 new_enable_languages="${new_enable_languages}${language},"
1801 potential_languages="${potential_languages}${language},"
1d39f329 1802 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1803 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1804 case "${boot_language}:,$enable_stage1_languages," in
1805 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1806 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1807 case ",$stage1_languages," in
1808 *,$language,* | ,yes, | ,all,) ;;
1809 *) stage1_languages="${stage1_languages}${language}," ;;
1810 esac
e8a5fa9c
RW		 1811 # We need to bootstrap any supporting libraries.
1812 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1813 ;;
1814 esac
1815 ;;
9e07f89d
NN		 1816 esac
1817 ;;
1818 esac
1819 done
1820
9e1a94f4
ILT		 1821 # Add target libraries which are only needed for disabled languages
1822 # to noconfigdirs.
1823 if test -n "$disabled_target_libs"; then
1824 for dir in $disabled_target_libs; do
1825 case " $enabled_target_libs " in
1826 *" ${dir} "*) ;;
1827 *) noconfigdirs="$noconfigdirs $dir" ;;
1828 esac
1829 done
1830 fi
1831
9b134994 1832 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1833 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1834 [choose additional languages to build during
1835 stage1. Mostly useful for compiler development])],
9b134994
PB		 1836 [case ,${enable_stage1_languages}, in
1837 ,no,|,,)
1838 # Set it to something that will have no effect in the loop below
1839 enable_stage1_languages=c ;;
1840 ,yes,)
1841 enable_stage1_languages=`echo $new_enable_languages | \
1842 sed -e "s/^,//" -e "s/,$//" ` ;;
1843 *,all,*)
1844 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1845 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1846 esac
1847
1848 # Add "good" languages from enable_stage1_languages to stage1_languages,
1849 # while "bad" languages go in missing_languages. Leave no duplicates.
1850 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1851 case $potential_languages in
1852 *,$i,*)
1853 case $stage1_languages in
1854 *,$i,*) ;;
1855 *) stage1_languages="$stage1_languages$i," ;;
1856 esac ;;
1857 *)
1858 case $missing_languages in
1859 *,$i,*) ;;
1860 *) missing_languages="$missing_languages$i," ;;
1861 esac ;;
1862 esac
1863 done])
1864
1865 # Remove leading/trailing commas that were added for simplicity
1866 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 1867 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 1868 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1869 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1870
9e07f89d
NN		 1871 if test "x$missing_languages" != x; then
1872 AC_MSG_ERROR([
27258dd4 1873The following requested languages could not be built: ${missing_languages}
9b134994 1874Supported languages are: ${potential_languages}])
9e07f89d 1875 fi
9e07f89d
NN		 1876 if test "x$new_enable_languages" != "x$enable_languages"; then
1877 echo The following languages will be built: ${new_enable_languages}
9b134994 1878 enable_languages="$new_enable_languages"
9e07f89d 1879 fi
9b134994
PB		 1880
1881 AC_SUBST(stage1_languages)
81ec575a 1882 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 1883fi
1884
a6df5a19
PB		 1885# Handle --disable-<component> generically.
1886for dir in $configdirs $build_configdirs $target_configdirs ; do
1887 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 1888 varname=`echo $dirname | sed -e s/+/_/g`
1889 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 1890 noconfigdirs="$noconfigdirs $dir"
1891 fi
1892done
1893
4f0ef2d8
CD		 1894# Check for Boehm's garbage collector
1895AC_ARG_ENABLE(objc-gc,
7837304f
AS		 1896[AS_HELP_STRING([--enable-objc-gc],
1897 [enable use of Boehm's garbage collector with the
1898 GNU Objective-C runtime])],
4f0ef2d8
CD		 1899[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1900 *,objc,*:*:yes:*target-boehm-gc*)
1901 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1902 ;;
1903esac])
1904
1905# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 1906case ,${enable_languages},:${enable_objc_gc} in
1907 *,objc,*:yes)
4f0ef2d8
CD		 1908 # Keep target-boehm-gc if requested for Objective-C.
1909 ;;
4f0ef2d8 1910 *)
d42c4017
DA		 1911 # Otherwise remove target-boehm-gc depending on target-libjava.
1912 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1913 noconfigdirs="$noconfigdirs target-boehm-gc"
1914 fi
4f0ef2d8
CD		 1915 ;;
1916esac
1917
7ec59b9e
L		 1918# Disable libitm if we're not building C++
1919case ,${enable_languages}, in
1920 *,c++,*) ;;
1921 *)
1922 noconfigdirs="$noconfigdirs target-libitm"
1923 ;;
1924esac
1925
caeba88f
AL		 1926# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1927# $build_configdirs and $target_configdirs.
9e07f89d
NN		 1928# If we have the source for $noconfigdirs entries, add them to $notsupp.
1929
1930notsupp=""
1931for dir in . $skipdirs $noconfigdirs ; do
caeba88f 1932 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 1933 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1934 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1935 if test -r $srcdir/$dirname/configure ; then
1936 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1937 true
1938 else
1939 notsupp="$notsupp $dir"
1940 fi
1941 fi
1942 fi
caeba88f
AL		 1943 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1944 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1945 if test -r $srcdir/$dirname/configure ; then
1946 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1947 true
1948 else
1949 notsupp="$notsupp $dir"
1950 fi
1951 fi
1952 fi
9e07f89d
NN		 1953 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1954 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1955 if test -r $srcdir/$dirname/configure ; then
1956 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1957 true
1958 else
1959 notsupp="$notsupp $dir"
1960 fi
1961 fi
1962 fi
1963done
1964
9e07f89d
NN		 1965# Quietly strip out all directories which aren't configurable in this tree.
1966# This relies on all configurable subdirectories being autoconfiscated, which
1967# is now the case.
6a9cf61e
PB		 1968build_configdirs_all="$build_configdirs"
1969build_configdirs=
1970for i in ${build_configdirs_all} ; do
7ec59b9e 1971 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 1972 if test -f ${srcdir}/$j/configure ; then
1973 build_configdirs="${build_configdirs} $i"
1974 fi
1975done
1976
9e07f89d
NN		 1977configdirs_all="$configdirs"
1978configdirs=
1979for i in ${configdirs_all} ; do
1980 if test -f ${srcdir}/$i/configure ; then
1981 configdirs="${configdirs} $i"
1982 fi
1983done
6a9cf61e 1984
9e07f89d
NN		 1985target_configdirs_all="$target_configdirs"
1986target_configdirs=
1987for i in ${target_configdirs_all} ; do
7ec59b9e 1988 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 1989 if test -f ${srcdir}/$j/configure ; then
1990 target_configdirs="${target_configdirs} $i"
1991 fi
1992done
1993
1994# Produce a warning message for the subdirs we can't configure.
1995# This isn't especially interesting in the Cygnus tree, but in the individual
1996# FSF releases, it's important to let people know when their machine isn't
1997# supported by the one or two programs in a package.
1998
1999if test -n "${notsupp}" && test -z "${norecursion}" ; then
2000 # If $appdirs is non-empty, at least one of those directories must still
2001 # be configured, or we error out. (E.g., if the gas release supports a
2002 # specified target in some subdirs but not the gas subdir, we shouldn't
2003 # pretend that all is well.)
2004 if test -n "$appdirs" ; then
2005 for dir in $appdirs ; do
2006 if test -r $dir/Makefile.in ; then
2007 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2008 appdirs=""
2009 break
2010 fi
6a9cf61e 2011 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2012 appdirs=""
2013 break
2014 fi
2015 fi
2016 done
2017 if test -n "$appdirs" ; then
2018 echo "*** This configuration is not supported by this package." 1>&2
2019 exit 1
2020 fi
2021 fi
2022 # Okay, some application will build, or we don't care to check. Still
2023 # notify of subdirs not getting built.
2024 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2025 echo " ${notsupp}" 1>&2
2026 echo " (Any other directories should still work fine.)" 1>&2
2027fi
2028
2029case "$host" in
2030 *msdosdjgpp*)
2031 enable_gdbtk=no ;;
2032esac
2033
24ff9987
DJ		 2034# To find our prefix, in gcc_cv_tool_prefix.
2035ACX_TOOL_DIRS
2036
9e07f89d
NN		 2037copy_dirs=
2038
7ec59b9e 2039AC_ARG_WITH([build-sysroot],
7837304f
AS		 2040 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2041 [use sysroot as the system root during the build])],
a19b6204
MM		 2042 [if test x"$withval" != x ; then
2043 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2044 fi],
2045 [SYSROOT_CFLAGS_FOR_TARGET=])
2046AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2047
8a6ee3ab 2048AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2049 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2050 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2051 [if test x"$withval" != x; then
2052 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2053 for debug_map in $withval; do
2054 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2055 done
2056 fi],
2057 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2058AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2059
7f6ef0c0
PB		 2060# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2061# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2062# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2063# We want to ensure that TARGET libraries (which we know are built with
2064# gcc) are built with "-O2 -g", so include those options when setting
2065# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2066if test "x$CFLAGS_FOR_TARGET" = x; then
2067 CFLAGS_FOR_TARGET=$CFLAGS
2068 case " $CFLAGS " in
2069 *" -O2 "*) ;;
68f107fa 2070 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2071 esac
2072 case " $CFLAGS " in
2073 *" -g "* | *" -g3 "*) ;;
68f107fa 2074 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2075 esac
2076fi
2077AC_SUBST(CFLAGS_FOR_TARGET)
2078
2079if test "x$CXXFLAGS_FOR_TARGET" = x; then
2080 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2081 case " $CXXFLAGS " in
2082 *" -O2 "*) ;;
68f107fa 2083 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2084 esac
2085 case " $CXXFLAGS " in
2086 *" -g "* | *" -g3 "*) ;;
68f107fa 2087 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2088 esac
2089fi
2090AC_SUBST(CXXFLAGS_FOR_TARGET)
2091
91c1f14c
DK		 2092AC_SUBST(LDFLAGS_FOR_TARGET)
2093
9e07f89d
NN		 2094# Handle --with-headers=XXX. If the value is not "yes", the contents of
2095# the named directory are copied to $(tooldir)/sys-include.
2096if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2097 if test x${is_cross_compiler} = xno ; then
2098 echo 1>&2 '***' --with-headers is only supported when cross compiling
2099 exit 1
2100 fi
2101 if test x"${with_headers}" != xyes ; then
24ff9987 2102 x=${gcc_cv_tool_prefix}
c6b750e1 2103 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2104 fi
2105fi
2106
2107# Handle --with-libs=XXX. If the value is not "yes", the contents of
2108# the name directories are copied to $(tooldir)/lib. Multiple directories
2109# are permitted.
2110if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2111 if test x${is_cross_compiler} = xno ; then
2112 echo 1>&2 '***' --with-libs is only supported when cross compiling
2113 exit 1
2114 fi
2115 if test x"${with_libs}" != xyes ; then
2116 # Copy the libraries in reverse order, so that files in the first named
2117 # library override files in subsequent libraries.
24ff9987 2118 x=${gcc_cv_tool_prefix}
9e07f89d 2119 for l in ${with_libs}; do
c6b750e1 2120 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2121 done
2122 fi
2123fi
2124
700d40ca 2125# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2126#
2127# This is done by determining whether or not the appropriate directory
2128# is available, and by checking whether or not specific configurations
2129# have requested that this magic not happen.
7ec59b9e
L		 2130#
2131# The command line options always override the explicit settings in
2429c060
PB		 2132# configure.in, and the settings in configure.in override this magic.
2133#
7ec59b9e 2134# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2135# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2136# --without-gnu-ld options for the configure script. Similarly, if
2137# the default is to use the included zlib and you don't want to do that,
2138# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2139
2140if test x${use_gnu_as} = x &&
2141 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2142 with_gnu_as=yes
2143 extra_host_args="$extra_host_args --with-gnu-as"
2144fi
2145
2146if test x${use_gnu_ld} = x &&
93f9b408 2147 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2148 with_gnu_ld=yes
2149 extra_host_args="$extra_host_args --with-gnu-ld"
2150fi
2151
700d40ca
ILT		 2152if test x${use_included_zlib} = x &&
2153 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2154 :
2155else
2156 with_system_zlib=yes
2157 extra_host_args="$extra_host_args --with-system-zlib"
2158fi
2159
2429c060
PB		 2160# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2161# can detect this case.
2162
2163if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2164 with_newlib=yes
2165 extra_host_args="$extra_host_args --with-newlib"
2166fi
2167
9e07f89d
NN		 2168# Handle ${copy_dirs}
2169set fnord ${copy_dirs}
2170shift
2171while test $# != 0 ; do
2172 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2173 :
2174 else
2175 echo Copying $1 to $2
2176
2177 # Use the install script to create the directory and all required
2178 # parent directories.
2179 if test -d $2 ; then
2180 :
2181 else
2182 echo >config.temp
2183 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2184 fi
2185
2186 # Copy the directory, assuming we have tar.
2187 # FIXME: Should we use B in the second tar? Not all systems support it.
2188 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2189
2190 # It is the responsibility of the user to correctly adjust all
2191 # symlinks. If somebody can figure out how to handle them correctly
2192 # here, feel free to add the code.
2193
2194 echo $1 > $2/COPIED
2195 fi
2196 shift; shift
2197done
2198
2429c060
PB		 2199# Determine a target-dependent exec_prefix that the installed
2200# gcc will search in. Keep this list sorted by triplet, with
2201# the *-*-osname triplets last.
2202md_exec_prefix=
2203case "${target}" in
521ec477 2204 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2205 md_exec_prefix=/dev/env/DJDIR/bin
2206 ;;
2429c060 2207 *-*-hpux* | \
2429c060 2208 *-*-nto-qnx* | \
1f111696 2209 *-*-solaris2*)
2429c060
PB		 2210 md_exec_prefix=/usr/ccs/bin
2211 ;;
2212esac
2213
874e38b4
NN		 2214extra_arflags_for_target=
2215extra_nmflags_for_target=
1086bc09 2216extra_ranlibflags_for_target=
a0da8069 2217target_makefile_frag=/dev/null
f48556b1 2218case "${target}" in
77d7106f
AM		 2219 spu-*-*)
2220 target_makefile_frag="config/mt-spu"
2221 ;;
429acdec
RS		 2222 mips*-sde-elf*)
2223 target_makefile_frag="config/mt-sde"
2224 ;;
f3b1e08e
RS		 2225 mipsisa*-*-elfoabi*)
2226 target_makefile_frag="config/mt-mips-elfoabi"
2227 ;;
e7c8859c
RS		 2228 mips*-*-*linux* | mips*-*-gnu*)
2229 target_makefile_frag="config/mt-mips-gnu"
2230 ;;
29383458 2231 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2232 target_makefile_frag="config/mt-gnu"
f48556b1 2233 ;;
a0da8069 2234 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2235 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2236 # commands to handle both 32-bit and 64-bit objects. These flags are
2237 # harmless if we're using GNU nm or ar.
2238 extra_arflags_for_target=" -X32_64"
2239 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2240 ;;
b6f83f2a
DD		 2241esac
2242
a0da8069 2243alphaieee_frag=/dev/null
b6f83f2a
DD		 2244case $target in
2245 alpha*-*-*)
2246 # This just makes sure to use the -mieee option to build target libs.
2247 # This should probably be set individually by each library.
2248 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2249 ;;
2250esac
a0a2c6c6 2251
f48556b1
DD		 2252# If --enable-target-optspace always use -Os instead of -O2 to build
2253# the target libraries, similarly if it is not specified, use -Os
2254# on selected platforms.
a0da8069 2255ospace_frag=/dev/null
f48556b1
DD		 2256case "${enable_target_optspace}:${target}" in
2257 yes:*)
b6f83f2a 2258 ospace_frag="config/mt-ospace"
f48556b1
DD		 2259 ;;
2260 :d30v-*)
b6f83f2a 2261 ospace_frag="config/mt-d30v"
f48556b1
DD		 2262 ;;
2263 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2264 ospace_frag="config/mt-ospace"
f48556b1
DD		 2265 ;;
2266 no:* | :*)
2267 ;;
2268 *)
2269 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2270 ;;
2271esac
252b5132 2272
a0da8069
NN		 2273# Some systems (e.g., one of the i386-aix systems the gas testers are
2274# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2275tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2276build_tooldir=${tooldir}
2277
a0da8069
NN		 2278# Create a .gdbinit file which runs the one in srcdir
2279# and tells GDB to look there for source files.
2280
2281if test -r ${srcdir}/.gdbinit ; then
2282 case ${srcdir} in
2283 .) ;;
2284 *) cat > ./.gdbinit <<EOF
2285# ${NO_EDIT}
2286dir ${srcdir}
2287dir .
2288source ${srcdir}/.gdbinit
2289EOF
2290 ;;
2291 esac
2292fi
2293
252b5132
RH		 2294# Make sure that the compiler is able to generate an executable. If it
2295# can't, we are probably in trouble. We don't care whether we can run the
2296# executable--we might be using a cross compiler--we only care whether it
2297# can be created. At this point the main configure script has set CC.
a0c4f3a0 2298we_are_ok=no
252b5132
RH		 2299echo "int main () { return 0; }" > conftest.c
2300${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2301if test $? = 0 ; then
2302 if test -s conftest || test -s conftest.exe ; then
2303 we_are_ok=yes
2304 fi
7ec59b9e 2305fi
a0c4f3a0
DD		 2306case $we_are_ok in
2307 no)
2308 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2309 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2310 rm -f conftest*
2311 exit 1
2312 ;;
2313esac
252b5132
RH		 2314rm -f conftest*
2315
3bbd2f8f 2316# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2317case "${host}" in
2318 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2319 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2320 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2321 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2322esac
8607b6c9 2323
3bbd2f8f 2324# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2325# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2326# built executables to PATH.
3bbd2f8f
AL		 2327if test "$RPATH_ENVVAR" = PATH; then
2328 GCC_SHLIB_SUBDIR=/shlib
2329else
2330 GCC_SHLIB_SUBDIR=
2331fi
2332
3866be5d
NN		 2333# Record target_configdirs and the configure arguments for target and
2334# build configuration in Makefile.
2335target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2336build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2337
2aa2364a
JR		 2338# If we are building libgomp, bootstrap it.
2339if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2340 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2341fi
2342
930314a4
NN		 2343# Determine whether gdb needs tk/tcl or not.
2344# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2345# and in that case we want gdb to be built without tk. Ugh!
2346# In fact I believe gdb is the *only* package directly dependent on tk,
2347# so we should be able to put the 'maybe's in unconditionally and
2348# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2349# 100% sure that that's safe though.
c180f501 2350
675c6968 2351gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2352case "$enable_gdbtk" in
2353 no)
2354 GDB_TK="" ;;
c180f501
AC		 2355 yes)
2356 GDB_TK="${gdb_tk}" ;;
930314a4 2357 *)
c180f501
AC		 2358 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2359 # distro. Eventually someone will fix this and move Insight, nee
2360 # gdbtk to a separate directory.
2361 if test -d ${srcdir}/gdb/gdbtk ; then
2362 GDB_TK="${gdb_tk}"
2363 else
2364 GDB_TK=""
2365 fi
2366 ;;
930314a4 2367esac
907be67c
DJ		 2368CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2369INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2370
6bd3dfaa 2371# Strip out unwanted targets.
dd12c3a8
NN		 2372
2373# While at that, we remove Makefiles if we were started for recursive
2374# configuration, so that the top-level Makefile reconfigures them,
2375# like we used to do when configure itself was recursive.
dd12c3a8 2376
06a51eac
RW		 2377# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2378# but now we're fixing up the Makefile ourselves with the additional
2379# commands passed to AC_CONFIG_FILES. Use separate variables
2380# extrasub-{build,host,target} not because there is any reason to split
2381# the substitutions up that way, but only to remain below the limit of
2382# 99 commands in a script, for HP-UX sed.
2383# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2384
16b1ad29
RW		 2385case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2386 yes:yes:*\ gold\ *:*,c++,*) ;;
2387 yes:yes:*\ gold\ *:*)
2388 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2389 ;;
2390esac
2391
9cb3fa6f 2392# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2393case $enable_bootstrap in
498d4a71 2394 yes)
96655cc4
AO		 2395 bootstrap_suffix=bootstrap
2396 BUILD_CONFIG=bootstrap-debug
2397 ;;
498d4a71 2398 no)
96655cc4
AO		 2399 bootstrap_suffix=no-bootstrap
2400 BUILD_CONFIG=
2401 ;;
498d4a71 2402esac
498d4a71 2403
96655cc4
AO		 2404AC_MSG_CHECKING(for default BUILD_CONFIG)
2405
2406AC_ARG_WITH([build-config],
7837304f
AS		 2407 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2408 [use config/NAME.mk build configuration])],
96655cc4
AO		 2409 [case $with_build_config in
2410 yes) with_build_config= ;;
2411 no) with_build_config= BUILD_CONFIG= ;;
2412 esac])
2413
2414if test "x${with_build_config}" != x; then
2415 BUILD_CONFIG=$with_build_config
2416else
2417 case $BUILD_CONFIG in
2418 bootstrap-debug)
2419 if echo "int f (void) { return 0; }" > conftest.c &&
2420 ${CC} -c conftest.c &&
2421 mv conftest.o conftest.o.g0 &&
2422 ${CC} -c -g conftest.c &&
2423 mv conftest.o conftest.o.g &&
a009f2e7 2424 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO		 2425 :
2426 else
2427 BUILD_CONFIG=
2428 fi
2429 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2430 ;;
2431 esac
2432fi
2433AC_MSG_RESULT($BUILD_CONFIG)
2434AC_SUBST(BUILD_CONFIG)
2435
06a51eac 2436extrasub_build=
6a9cf61e 2437for module in ${build_configdirs} ; do
dd12c3a8
NN		 2438 if test -z "${no_recursion}" \
2439 && test -f ${build_subdir}/${module}/Makefile; then
2440 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2441 rm -f ${build_subdir}/${module}/Makefile
2442 fi
06a51eac 2443 extrasub_build="$extrasub_build
6bd3dfaa 2444/^@if build-$module\$/d
498d4a71
CF		 2445/^@endif build-$module\$/d
2446/^@if build-$module-$bootstrap_suffix\$/d
2447/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2448done
06a51eac 2449extrasub_host=
dd12c3a8 2450for module in ${configdirs} ; do
80911fe1 2451 if test -z "${no_recursion}"; then
8cf39b1b 2452 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2453 if test -f ${file}; then
2454 echo 1>&2 "*** removing ${file} to force reconfigure"
2455 rm -f ${file}
2456 fi
2457 done
dd12c3a8 2458 fi
06a51eac 2459 extrasub_host="$extrasub_host
6bd3dfaa 2460/^@if $module\$/d
498d4a71
CF		 2461/^@endif $module\$/d
2462/^@if $module-$bootstrap_suffix\$/d
2463/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2464done
06a51eac 2465extrasub_target=
dd12c3a8
NN		 2466for module in ${target_configdirs} ; do
2467 if test -z "${no_recursion}" \
2468 && test -f ${target_subdir}/${module}/Makefile; then
2469 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2470 rm -f ${target_subdir}/${module}/Makefile
2471 fi
e8a5fa9c
RW		 2472
2473 # We only bootstrap target libraries listed in bootstrap_target_libs.
2474 case $bootstrap_target_libs in
2475 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2476 *) target_bootstrap_suffix=no-bootstrap ;;
2477 esac
2478
06a51eac 2479 extrasub_target="$extrasub_target
6bd3dfaa 2480/^@if target-$module\$/d
498d4a71 2481/^@endif target-$module\$/d
e8a5fa9c
RW		 2482/^@if target-$module-$target_bootstrap_suffix\$/d
2483/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2484done
319cab08 2485
06a51eac
RW		 2486# Do the final fixup along with target modules.
2487extrasub_target="$extrasub_target
6bd3dfaa 2488/^@if /,/^@endif /d"
930314a4 2489
a2cc058a
NN		 2490# Create the serialization dependencies. This uses a temporary file.
2491
e6bfb94a 2492AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2493[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2494 [force sequential configuration of
2495 sub-packages for the host, target or build
2496 machine, or all sub-packages])])
1047cb91
DD		 2497
2498case ${enable_serial_configure} in
2499 yes)
2500 enable_serial_build_configure=yes
2501 enable_serial_host_configure=yes
2502 enable_serial_target_configure=yes
2503 ;;
2504esac
e6bfb94a 2505
a2cc058a
NN		 2506# These force 'configure's to be done one at a time, to avoid problems
2507# with contention over a shared config.cache.
2508rm -f serdep.tmp
e6bfb94a 2509echo '# serdep.tmp' > serdep.tmp
a2cc058a 2510olditem=
1047cb91 2511test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2512for item in ${build_configdirs} ; do
2513 case ${olditem} in
2514 "") ;;
e6bfb94a 2515 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2516 esac
2517 olditem=${item}
2518done
2519olditem=
1047cb91 2520test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2521for item in ${configdirs} ; do
2522 case ${olditem} in
2523 "") ;;
e6bfb94a 2524 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2525 esac
2526 olditem=${item}
2527done
2528olditem=
1047cb91 2529test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2530for item in ${target_configdirs} ; do
2531 case ${olditem} in
2532 "") ;;
e6bfb94a 2533 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2534 esac
2535 olditem=${item}
2536done
a0da8069
NN		 2537serialization_dependencies=serdep.tmp
2538AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2539
e6bfb94a 2540# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2541# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2542# might not want to pass down to subconfigures. The exception being
2543# --cache-file=/dev/null, which is used to turn off the use of cache
2544# files altogether, and which should be passed on to subconfigures.
2545# Also strip program-prefix, program-suffix, and program-transform-name,
2546# so that we can pass down a consistent program-transform-name.
c6b750e1 2547baseargs=
65b4571a 2548tbaseargs=
c6b750e1
DJ		 2549keep_next=no
2550skip_next=no
2551eval "set -- $ac_configure_args"
b0aaa663
DJ		 2552for ac_arg
2553do
c6b750e1
DJ		 2554 if test X"$skip_next" = X"yes"; then
2555 skip_next=no
2556 continue
2557 fi
2558 if test X"$keep_next" = X"yes"; then
2559 case $ac_arg in
2560 *\'*)
2561 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2562 esac
2563 baseargs="$baseargs '$ac_arg'"
65b4571a 2564 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2565 keep_next=no
2566 continue
2567 fi
2568
2569 # Handle separated arguments. Based on the logic generated by
2570 # autoconf 2.59.
2571 case $ac_arg in
2572 *=* | --config-cache | -C | -disable-* | --disable-* \
2573 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2574 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2575 | -with-* | --with-* | -without-* | --without-* | --x)
2576 separate_arg=no
2577 ;;
2578 -*)
2579 separate_arg=yes
2580 ;;
2581 *)
2582 separate_arg=no
2583 ;;
2584 esac
2585
65b4571a
AO		 2586 skip_targ=no
2587 case $ac_arg in
2588changequote(,)
2589 --with-* | --without-*)
2590 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2591
2592 case $libopt in
2593 *[-_]include)
2594 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2595 ;;
2596 *[-_]lib)
2597 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2598 ;;
2599 *)
2600 lib=$libopt
2601 ;;
2602 esac
2603changequote([,])
2604
2605 case $lib in
7ec59b9e 2606 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2607 # If we're processing --with-$lib, --with-$lib-include or
2608 # --with-$lib-lib, for one of the libs above, and target is
2609 # different from host, don't pass the current argument to any
2610 # target library's configure.
2611 if test x$is_cross_compiler = xyes; then
2612 skip_targ=yes
2613 fi
2614 ;;
2615 esac
2616 ;;
2617 esac
2618
c6b750e1 2619 case "$ac_arg" in
30167e0a
NC		 2620 --cache-file=/dev/null | \
2621 -cache-file=/dev/null )
2622 # Handled here to avoid the test to skip args below.
2623 baseargs="$baseargs '$ac_arg'"
65b4571a 2624 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2625 # Assert: $separate_arg should always be no.
2626 keep_next=$separate_arg
2627 ;;
c6b750e1
DJ		 2628 --no*)
2629 continue
2630 ;;
2631 --c* | \
2632 --sr* | \
2633 --ho* | \
2634 --bu* | \
2635 --t* | \
2636 --program-* | \
2637 -cache_file* | \
2638 -srcdir* | \
2639 -host* | \
2640 -build* | \
2641 -target* | \
2642 -program-prefix* | \
2643 -program-suffix* | \
2644 -program-transform-name* )
2645 skip_next=$separate_arg
2646 continue
2647 ;;
2648 -*)
2649 # An option. Add it.
2650 case $ac_arg in
2651 *\'*)
2652 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2653 esac
2654 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2655 if test X"$skip_targ" = Xno; then
2656 tbaseargs="$tbaseargs '$ac_arg'"
2657 fi
c6b750e1
DJ		 2658 keep_next=$separate_arg
2659 ;;
2660 *)
2661 # Either a variable assignment, or a nonopt (triplet). Don't
2662 # pass it down; let the Makefile handle this.
2663 continue
2664 ;;
2665 esac
2666done
2667# Remove the initial space we just introduced and, as these will be
2668# expanded by make, quote '$'.
2669baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2670
f27d4f92
DJ		 2671# Add in --program-transform-name, after --program-prefix and
2672# --program-suffix have been applied to it. Autoconf has already
2673# doubled dollar signs and backslashes in program_transform_name; we want
2674# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2675# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2676# Also, because we want to override the logic in subdir configure scripts to
2677# choose program_transform_name, replace any s,x,x, with s,y,y,.
2678sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2679${program_transform_name}
2680EOF_SED
2681gcc_transform_name=`cat conftestsed.out`
2682rm -f conftestsed.out
2683baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2684tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2685if test "$silent" = yes; then
2686 baseargs="$baseargs --silent"
65b4571a 2687 tbaseargs="$tbaseargs --silent"
2444379b 2688fi
34a0f3cf 2689baseargs="$baseargs --disable-option-checking"
65b4571a 2690tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2691
4074d5f2
RW		 2692# Record and document user additions to sub configure arguments.
2693AC_ARG_VAR([build_configargs],
2694 [additional configure arguments for build directories])
2695AC_ARG_VAR([host_configargs],
2696 [additional configure arguments for host directories])
2697AC_ARG_VAR([target_configargs],
2698 [additional configure arguments for target directories])
2699
49b7683b
DD		 2700# For the build-side libraries, we just need to pretend we're native,
2701# and not use the same cache file. Multilibs are neither needed nor
2702# desired.
4074d5f2 2703build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2704
ae831be5
NN		 2705# For host modules, accept cache file option, or specification as blank.
2706case "${cache_file}" in
2707"") # empty
2708 cache_file_option="" ;;
a0da8069 2709/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2710 cache_file_option="--cache-file=${cache_file}" ;;
2711*) # relative path
2712 cache_file_option="--cache-file=../${cache_file}" ;;
2713esac
2714
82252c06
NN		 2715# Host dirs don't like to share a cache file either, horribly enough.
2716# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2717host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2718
65b4571a 2719target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2720
252b5132
RH		 2721# Passing a --with-cross-host argument lets the target libraries know
2722# whether they are being built with a cross-compiler or being built
2723# native. However, it would be better to use other mechanisms to make the
2724# sorts of decisions they want to make on this basis. Please consider
2725# this option to be deprecated. FIXME.
a0c4f3a0 2726if test x${is_cross_compiler} = xyes ; then
c6b750e1 2727 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2728fi
2729
938d2b74
RW		 2730# Default to --enable-multilib.
2731if test x${enable_multilib} = x ; then
a0da8069 2732 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2733fi
252b5132
RH		 2734
2735# Pass --with-newlib if appropriate. Note that target_configdirs has
2736# changed from the earlier setting of with_newlib.
a0c4f3a0 2737if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2738 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2739fi
2740
95036d20
NN		 2741# Different target subdirs use different values of certain variables
2742# (notably CXX). Worse, multilibs use *lots* of different values.
2743# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2744# it doesn't automatically accept command-line overrides of them.
2745# This means it's not safe for target subdirs to share a cache file,
2746# which is disgusting, but there you have it. Hopefully this can be
2747# fixed in future. It's still worthwhile to use a cache file for each
2748# directory. I think.
2749
ae380b45
MS		 2750# Pass the appropriate --build, --host, --target and --cache-file arguments.
2751# We need to pass --target, as newer autoconf's requires consistency
2752# for target_alias and gcc doesn't manage it consistently.
4b900473 2753target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2754
9e449d3e 2755FLAGS_FOR_TARGET=
7c1f909c 2756case " $target_configdirs " in
75205f78 2757 *" newlib "*)
a0da8069 2758 case " $target_configargs " in
75205f78 2759 *" --with-newlib "*)
9e449d3e 2760 case "$target" in
1f53ca9a
AO		 2761 *-cygwin*)
2762 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'
2763 ;;
9e449d3e
AO		 2764 esac
2765
7450026c 2766 # If we're not building GCC, don't discard standard headers.
4d5fd396 2767 if test -d ${srcdir}/gcc; then
63266560 2768 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2769
2770 if test "${build}" != "${host}"; then
2771 # On Canadian crosses, CC_FOR_TARGET will have already been set
2772 # by `configure', so we won't have an opportunity to add -Bgcc/
2773 # to it. This is right: we don't want to search that directory
2774 # for binaries, but we want the header files in there, so add
2775 # them explicitly.
e552509b 2776 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2777
2778 # Someone might think of using the pre-installed headers on
2779 # Canadian crosses, in case the installed compiler is not fully
2780 # compatible with the compiler being built. In this case, it
2781 # would be better to flag an error than risking having
2782 # incompatible object files being constructed. We can't
2783 # guarantee that an error will be flagged, but let's hope the
2784 # compiler will do it, when presented with incompatible header
2785 # files.
2786 fi
63266560
DD		 2787 fi
2788
0a0d0041 2789 case "${target}-${is_cross_compiler}" in
ec11bdc6 2790 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2791 # Here host == target, so we don't need to build gcc,
2792 # so we don't want to discard standard headers.
2793 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2794 ;;
2795 *)
2796 # If we're building newlib, use its generic headers last, but search
2797 # for any libc-related directories first (so make it the last -B
2798 # switch).
2799 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 2800
2801 # If we're building libgloss, find the startup file, simulator library
2802 # and linker script.
2803 case " $target_configdirs " in
2804 *" libgloss "*)
2805 # Look for startup file, simulator library and maybe linker script.
2806 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2807 # Look for libnosys.a in case the target needs it.
2808 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2809 # Most targets have the linker script in the source directory.
2810 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2811 ;;
2812 esac
0a0d0041
TF		 2813 ;;
2814 esac
9e449d3e 2815 ;;
75205f78
DD		 2816 esac
2817 ;;
9e449d3e 2818esac
1f53ca9a 2819
45055374 2820case "$target" in
1f53ca9a
AO		 2821 x86_64-*mingw* | *-w64-mingw*)
2822 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2823 # however, use a symlink named 'mingw' in ${prefix} .
2824 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2825 ;;
2826 *-mingw*)
2827 # MinGW can't be handled as Cygwin above since it does not use newlib.
2828 FLAGS_FOR_TARGET=$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'
2829 ;;
45055374 2830esac
63266560 2831
5fbad20a
DD		 2832# Allow the user to override the flags for
2833# our build compiler if desired.
c66487f8
NC		 2834if test x"${build}" = x"${host}" ; then
2835 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2836 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2837 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2838fi
5fbad20a 2839
63266560
DD		 2840# On Canadian crosses, we'll be searching the right directories for
2841# the previously-installed cross compiler, so don't bother to add
2842# flags for directories within the install tree of the compiler
2843# being built; programs in there won't even run.
4d5fd396 2844if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2845 # Search for pre-installed headers if nothing else fits.
bba45b8b 2846 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2847fi
63266560 2848
7c1f909c 2849if test "x${use_gnu_ld}" = x &&
f48556b1 2850 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 2851 # Arrange for us to find uninstalled linker scripts.
b00612cc 2852 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 2853fi
2854
a481dbb7
DD		 2855# Search for other target-specific linker scripts and such.
2856case "${target}" in
4e206d7e
DB		 2857 mep*)
2858 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2859 ;;
2860esac
2861
a0da8069 2862# Makefile fragments.
3e707e94
PB		 2863for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2864do
2865 eval fragval=\$$frag
2866 if test $fragval != /dev/null; then
2867 eval $frag=${srcdir}/$fragval
2868 fi
2869done
a0da8069
NN		 2870AC_SUBST_FILE(host_makefile_frag)
2871AC_SUBST_FILE(target_makefile_frag)
2872AC_SUBST_FILE(alphaieee_frag)
2873AC_SUBST_FILE(ospace_frag)
2874
2875# Miscellanea: directories, flags, etc.
a0da8069 2876AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 2877AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 2878AC_SUBST(tooldir)
2879AC_SUBST(build_tooldir)
907be67c 2880AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 2881AC_SUBST(GDB_TK)
907be67c 2882AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 2883
2884# Build module lists & subconfigure args.
a0da8069 2885AC_SUBST(build_configargs)
6a9cf61e 2886AC_SUBST(build_configdirs)
a0da8069
NN		 2887
2888# Host module lists & subconfigure args.
2889AC_SUBST(host_configargs)
2890AC_SUBST(configdirs)
911e63d0 2891AC_SUBST(target_configdirs)
a0da8069
NN		 2892
2893# Target module lists & subconfigure args.
a0da8069 2894AC_SUBST(target_configargs)
a6df5a19 2895
a0da8069
NN		 2896
2897# Build tools.
b5714970
PB		 2898AC_SUBST(AR_FOR_BUILD)
2899AC_SUBST(AS_FOR_BUILD)
a0da8069 2900AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 2901AC_SUBST(CFLAGS_FOR_BUILD)
2902AC_SUBST(CXXFLAGS_FOR_BUILD)
2903AC_SUBST(CXX_FOR_BUILD)
2904AC_SUBST(DLLTOOL_FOR_BUILD)
2905AC_SUBST(GCJ_FOR_BUILD)
2906AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 2907AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 2908AC_SUBST(LDFLAGS_FOR_BUILD)
2909AC_SUBST(LD_FOR_BUILD)
2910AC_SUBST(NM_FOR_BUILD)
2911AC_SUBST(RANLIB_FOR_BUILD)
2912AC_SUBST(WINDMC_FOR_BUILD)
2913AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 2914
be01d343
PB		 2915# Generate default definitions for YACC, M4, LEX and other programs that run
2916# on the build machine. These are used if the Makefile can't locate these
2917# programs in objdir.
2918MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2919
2920AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2921case " $build_configdirs " in
2922 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 2923esac
2924
2925AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2926case " $build_configdirs " in
2927 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2928esac
2929
2930AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2931case " $build_configdirs " in
2932 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2933esac
2934
2935AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2936case " $build_configdirs " in
2937 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2938 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2939esac
2940
2941AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2942case " $build_configdirs " in
2943 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2944esac
2945
2946AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2947case " $build_configdirs " in
2948 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2949 *)
2950changequote(,)
10ad8ef3 2951 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 2952 # higher, else we use the "missing" dummy.
2953 if ${MAKEINFO} --version \
10ad8ef3 2954 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 2955 :
2956 else
2957 MAKEINFO="$MISSING makeinfo"
2958 fi
2959 ;;
2960changequote([,])
2961esac
2962
2963# FIXME: expect and dejagnu may become build tools?
2964
2965AC_CHECK_PROGS(EXPECT, expect, expect)
2966case " $configdirs " in
2967 *" expect "*)
2968 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2969 ;;
2970esac
2971
2972AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2973case " $configdirs " in
2974 *" dejagnu "*)
6b89cc21 2975 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 2976 ;;
2977esac
2978
2979
a0da8069 2980# Host tools.
05cbd757
PB		 2981NCN_STRICT_CHECK_TOOLS(AR, ar)
2982NCN_STRICT_CHECK_TOOLS(AS, as)
2983NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2984NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 2985NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 2986NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 2987NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
2988NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 2989NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 2990NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 2991NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2992NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 2993NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 2994AC_SUBST(CC)
2995AC_SUBST(CXX)
2996AC_SUBST(CFLAGS)
2997AC_SUBST(CXXFLAGS)
a0da8069 2998
be01d343 2999# Target tools.
7ec59b9e 3000AC_ARG_WITH([build-time-tools],
7837304f
AS		 3001 [AS_HELP_STRING([--with-build-time-tools=PATH],
3002 [use given path to find target tools during the build])],
2429c060
PB		 3003 [case x"$withval" in
3004 x/*) ;;
3005 *)
3006 with_build_time_tools=
3007 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3008 ;;
3009 esac],
3010 [with_build_time_tools=])
3011
05cbd757
PB		 3012NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3013NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3014NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3015NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3016NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3017NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3018
3019ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3020ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3021ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3022ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3023ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3024ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3025ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3026ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3027ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3028ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3029ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3030ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3031
be01d343
PB		 3032RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3033
3034GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3035GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3036GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3037dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3038GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
950386c6 3039 [gcc/g++ -B$$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		 3040 c++)
3041GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3042 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3043 c++)
3044GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3045GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3046GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3047 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3048GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3049 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3050GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3051 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3052GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3053GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3054GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3055GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3056GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3057GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3058GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3059GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3060GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3061
be01d343 3062AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3063AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3064
a0da8069
NN		 3065# Certain tools may need extra flags.
3066AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3067RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3068NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3069
be01d343
PB		 3070# When building target libraries, except in a Canadian cross, we use
3071# the same toolchain as the compiler we just built.
3072COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3073COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3074COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3075if test $host = $build; then
3076 case " $configdirs " in
3077 *" gcc "*)
3078 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3079 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3080 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3081 ;;
3082 esac
3083fi
3084
3085AC_SUBST(COMPILER_AS_FOR_TARGET)
3086AC_SUBST(COMPILER_LD_FOR_TARGET)
3087AC_SUBST(COMPILER_NM_FOR_TARGET)
3088
6b784d9f
AO		 3089AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3090AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3091[AS_HELP_STRING([--enable-maintainer-mode],
3092 [enable make rules and dependencies not useful
3093 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3094 USE_MAINTAINER_MODE=$enableval,
3095 USE_MAINTAINER_MODE=no)
3096AC_MSG_RESULT($USE_MAINTAINER_MODE)
3097AC_SUBST(MAINTAINER_MODE_TRUE)
3098AC_SUBST(MAINTAINER_MODE_FALSE)
3099if test "$USE_MAINTAINER_MODE" = yes; then
3100 MAINTAINER_MODE_TRUE=
3101 MAINTAINER_MODE_FALSE='#'
3102else
3103 MAINTAINER_MODE_TRUE='#'
3104 MAINTAINER_MODE_FALSE=
7ec59b9e 3105fi
6b784d9f
AO		 3106MAINT=$MAINTAINER_MODE_TRUE
3107AC_SUBST(MAINT)dnl
3108
1d39f329
NN		 3109# ---------------------
3110# GCC bootstrap support
3111# ---------------------
3112
3113# Stage specific cflags for build.
3114stage1_cflags="-g"
3115case $build in
3116 vax-*-*)
3117 case ${GCC} in
3118 yes) stage1_cflags="-g -Wa,-J" ;;
3119 *) stage1_cflags="-g -J" ;;
3120 esac ;;
1d39f329 3121esac
1d89b610 3122
1d39f329
NN		 3123AC_SUBST(stage1_cflags)
3124
8a0d8a5c
PB		 3125# Enable --enable-checking in stage1 of the compiler.
3126AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3127[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3128 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3129[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3130[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3131 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3132else
5566c1fa 3133 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3134fi])
3135AC_SUBST(stage1_checking)
3136
1d39f329 3137# Enable -Werror in bootstrap stage2 and later.
1d39f329 3138AC_ARG_ENABLE(werror,
7837304f
AS		 3139[AS_HELP_STRING([--enable-werror],
3140 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3141[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3142 enable_werror=yes
3143else
3144 enable_werror=no
3145fi])
1a6f2dc7
NN		 3146case ${enable_werror} in
3147 yes) stage2_werror_flag="--enable-werror-always" ;;
3148 *) stage2_werror_flag="" ;;
1d39f329 3149esac
1a6f2dc7 3150AC_SUBST(stage2_werror_flag)
1d39f329 3151
e8a5fa9c
RW		 3152# Specify what files to not compare during bootstrap.
3153
3154compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3155case "$target" in
3156 hppa*64*-*-hpux*) ;;
3157 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3158 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3159esac
3160AC_SUBST(compare_exclusions)
3161
06a51eac
RW		 3162AC_CONFIG_FILES([Makefile],
3163 [sed "$extrasub_build" Makefile |
3164 sed "$extrasub_host" |
3165 sed "$extrasub_target" > mf$$
3166 mv -f mf$$ Makefile],
3167 [extrasub_build="$extrasub_build"
3168 extrasub_host="$extrasub_host"
3169 extrasub_target="$extrasub_target"])
3170AC_OUTPUT
GDB Binutils - Deliverables
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