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