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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
96111c10
AO		 430# Save it here so that, even in case of --enable-libgcj, if the Java
431# front-end isn't enabled, we still get libgcj disabled.
432libgcj_saved=$libgcj
433case $enable_libgcj in
434yes)
435 # If we reset it here, it won't get added to noconfigdirs in the
436 # target-specific build rules, so it will be forcibly enabled
437 # (unless the Java language itself isn't enabled).
438 libgcj=
439 ;;
440no)
441 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 442 # Don't disable libffi, though, other languages use it.
443 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 444 # Clear libgcj_saved so that even if java is enabled libffi won't be
445 # built.
446 libgcj_saved=
96111c10
AO		 447 ;;
448esac
449
ffdd6afc
ILT		 450AC_ARG_ENABLE(static-libjava,
451[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
452 [build static libjava @<:@default=no@:>@])],
453ENABLE_STATIC_LIBJAVA=$enableval,
454ENABLE_STATIC_LIBJAVA=no)
455enable_static_libjava=
456if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
457 enable_static_libjava=yes
458fi
459
460if test x$enable_static_libjava != xyes ; then
461 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
462fi
463AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
4b1cb4fe 464
a6df5a19
PB		 465# Disable libmudflap on some systems.
466if test x$enable_libmudflap = x ; then
3e707e94 467 case "${target}" in
29383458 468 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 469 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 470 ;;
471 *-*-freebsd*)
472 # Enable libmudflap by default in FreeBSD.
473 ;;
474 *)
475 # Disable it by default everywhere else.
476 noconfigdirs="$noconfigdirs target-libmudflap"
477 ;;
478 esac
a6df5a19 479fi
4b1cb4fe 480
a6df5a19
PB		 481# Disable libgomp on non POSIX hosted systems.
482if test x$enable_libgomp = x ; then
b3ded179
PB		 483 # Enable libgomp by default on hosted POSIX systems.
484 case "${target}" in
29383458 485 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 486 ;;
5b806d27 487 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 488 ;;
2479f722 489 *-*-solaris2* | *-*-hpux11*)
b3ded179
PB		 490 ;;
491 *-*-darwin* | *-*-aix*)
492 ;;
493 *)
494 noconfigdirs="$noconfigdirs target-libgomp"
495 ;;
496 esac
a6df5a19 497fi
b3ded179 498
7ec59b9e
L		 499# Disable libatomic on unsupported systems.
500if test -d ${srcdir}/libatomic; then
501 if test x$enable_libatomic = x; then
502 AC_MSG_CHECKING([for libatomic support])
503 if (srcdir=${srcdir}/libatomic; \
504 . ${srcdir}/configure.tgt; \
505 test -n "$UNSUPPORTED")
506 then
507 AC_MSG_RESULT([no])
508 noconfigdirs="$noconfigdirs target-libatomic"
509 else
510 AC_MSG_RESULT([yes])
511 fi
512 fi
513fi
514
d32e2926
RH		 515# Disable libitm on unsupported systems.
516if test -d ${srcdir}/libitm; then
517 if test x$enable_libitm = x; then
518 AC_MSG_CHECKING([for libitm support])
519 if (srcdir=${srcdir}/libitm; \
520 . ${srcdir}/configure.tgt; \
521 test -n "$UNSUPPORTED")
522 then
523 AC_MSG_RESULT([no])
524 noconfigdirs="$noconfigdirs target-libitm"
525 else
526 AC_MSG_RESULT([yes])
527 fi
528 fi
529fi
530
1488e230
DE		 531# Disable libquadmath for some systems.
532case "${target}" in
533 # libquadmath is unused on AIX and libquadmath build process use of
534 # LD_LIBRARY_PATH can break AIX bootstrap.
535 powerpc-*-aix* | rs6000-*-aix*)
536 noconfigdirs="$noconfigdirs target-libquadmath"
537 ;;
538esac
539
065a5627
JM		 540# Disable libssp for some systems.
541case "${target}" in
542 avr-*-*)
c5f5c3c2 543 # No hosted I/O support.
065a5627
JM		 544 noconfigdirs="$noconfigdirs target-libssp"
545 ;;
546 powerpc-*-aix* | rs6000-*-aix*)
547 noconfigdirs="$noconfigdirs target-libssp"
548 ;;
99c513f6 549 rl78-*-*)
202e2356
NC		 550 # libssp uses a misaligned load to trigger a fault, but the RL78
551 # doesn't fault for those - instead, it gives a build-time error
552 # for explicit misaligned loads.
99c513f6
DD		 553 noconfigdirs="$noconfigdirs target-libssp"
554 ;;
065a5627
JM		 555esac
556
8e71395b
L		 557# Disable libquadmath for some systems.
558case "${target}" in
559 avr-*-*)
560 noconfigdirs="$noconfigdirs target-libquadmath"
561 ;;
562esac
563
065a5627
JM		 564# Disable libstdc++-v3 for some systems.
565case "${target}" in
566 *-*-vxworks*)
567 # VxWorks uses the Dinkumware C++ library.
568 noconfigdirs="$noconfigdirs target-libstdc++-v3"
569 ;;
570 arm*-wince-pe*)
571 # the C++ libraries don't build on top of CE's C libraries
572 noconfigdirs="$noconfigdirs target-libstdc++-v3"
573 ;;
574 avr-*-*)
575 noconfigdirs="$noconfigdirs target-libstdc++-v3"
576 ;;
577esac
578
579# Disable Fortran for some systems.
580case "${target}" in
581 mmix-*-*)
582 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
583 unsupported_languages="$unsupported_languages fortran"
584 ;;
585esac
586
0827f9a6 587# Disable Java if libffi is not supported.
9863d716 588case "${target}" in
0827f9a6
JM		 589 alpha*-*-*)
590 ;;
591 arm*-*-*)
592 ;;
593 cris-*-*)
594 ;;
595 frv-*-*)
596 ;;
597 hppa*-*-linux*)
598 ;;
599 hppa*-*-hpux*)
600 ;;
601 i?86-*-*)
602 ;;
603 ia64*-*-*)
604 ;;
605 m32r*-*-*)
606 ;;
607 m68k-*-*)
608 ;;
2479f722 609 mips*-*-rtems*)
0827f9a6
JM		 610 ;;
611 mips*-*-linux*)
612 ;;
613 powerpc*-*-linux*)
614 ;;
615 powerpc-*-darwin*)
616 ;;
617 powerpc-*-aix* | rs6000-*-aix*)
618 ;;
619 powerpc-*-freebsd*)
620 ;;
621 powerpc64-*-freebsd*)
622 ;;
623 powerpc*-*-rtems*)
9863d716 624 ;;
0827f9a6
JM		 625 s390-*-* | s390x-*-*)
626 ;;
627 sh-*-* | sh[[34]]*-*-*)
628 ;;
629 sh64-*-* | sh5*-*-*)
630 ;;
631 sparc*-*-*)
632 ;;
633 x86_64-*-*)
634 ;;
635 *-*-*)
636 unsupported_languages="$unsupported_languages java"
637 ;;
638esac
639
640# Disable Java, libgcj or related libraries for some systems.
641case "${target}" in
9863d716
JM		 642 powerpc-*-darwin*)
643 ;;
644 i[[3456789]]86-*-darwin*)
645 ;;
646 x86_64-*-darwin[[912]]*)
647 ;;
648 *-*-darwin*)
649 noconfigdirs="$noconfigdirs ${libgcj}"
650 ;;
9863d716
JM		 651 *-*-netware*)
652 noconfigdirs="$noconfigdirs ${libgcj}"
653 ;;
654 *-*-rtems*)
655 noconfigdirs="$noconfigdirs ${libgcj}"
656 ;;
657 *-*-tpf*)
658 noconfigdirs="$noconfigdirs ${libgcj}"
659 ;;
660 *-*-uclinux*)
661 noconfigdirs="$noconfigdirs ${libgcj}"
662 ;;
663 *-*-vxworks*)
664 noconfigdirs="$noconfigdirs ${libgcj}"
665 ;;
9863d716
JM		 666 alpha*-*-*vms*)
667 noconfigdirs="$noconfigdirs ${libgcj}"
668 ;;
0827f9a6 669 arm-wince-pe)
9863d716
JM		 670 noconfigdirs="$noconfigdirs ${libgcj}"
671 ;;
9863d716
JM		 672 arm*-*-symbianelf*)
673 noconfigdirs="$noconfigdirs ${libgcj}"
674 ;;
9863d716 675 bfin-*-*)
9863d716
JM		 676 noconfigdirs="$noconfigdirs target-boehm-gc"
677 ;;
9863d716
JM		 678 cris-*-* | crisv32-*-*)
679 unsupported_languages="$unsupported_languages java"
680 case "${target}" in
681 *-*-linux*)
682 ;;
683 *) # See PR46792 regarding target-libffi.
684 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
685 esac
686 ;;
9863d716
JM		 687 hppa*64*-*-linux*)
688 # In this case, it's because the hppa64-linux target is for
689 # the kernel only at this point and has no libc, and thus no
690 # headers, crt*.o, etc., all of which are needed by these.
82ae827f 691 unsupported_languages="$unsupported_languages java"
9863d716 692 ;;
82ae827f 693 hppa*64*-*-hpux*)
9863d716
JM		 694 noconfigdirs="$noconfigdirs ${libgcj}"
695 ;;
696 hppa*-hp-hpux11*)
697 ;;
82ae827f 698 hppa*-*-hpux*)
9863d716
JM		 699 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
700 # build on HP-UX 10.20.
701 noconfigdirs="$noconfigdirs ${libgcj}"
702 ;;
9863d716
JM		 703 ia64*-*-*vms*)
704 noconfigdirs="$noconfigdirs ${libgcj}"
705 ;;
9863d716
JM		 706 i[[3456789]]86-w64-mingw*)
707 noconfigdirs="$noconfigdirs ${libgcj}"
708 ;;
709 i[[3456789]]86-*-mingw*)
710 noconfigdirs="$noconfigdirs ${libgcj}"
711 ;;
712 x86_64-*-mingw*)
713 noconfigdirs="$noconfigdirs ${libgcj}"
714 ;;
9863d716
JM		 715 mmix-*-*)
716 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
9863d716
JM		 717 ;;
718 powerpc-*-aix*)
719 # copied from rs6000-*-* entry
720 noconfigdirs="$noconfigdirs ${libgcj}"
721 ;;
9863d716
JM		 722 rs6000-*-aix*)
723 noconfigdirs="$noconfigdirs ${libgcj}"
724 ;;
9863d716
JM		 725 *-*-lynxos*)
726 noconfigdirs="$noconfigdirs ${libgcj}"
7ec59b9e 727 ;;
9863d716
JM		 728esac
729
691bb5a1
DD		 730# Default libgloss CPU subdirectory.
731libgloss_dir="$target_cpu"
4b1cb4fe 732
ff46fb8f
JM		 733case "${target}" in
734 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
735 libgloss_dir=wince
736 ;;
737 arm*-*-*)
738 libgloss_dir=arm
739 ;;
740 cris-*-* | crisv32-*-*)
741 libgloss_dir=cris
742 ;;
743 hppa*-*-*)
744 libgloss_dir=pa
745 ;;
746 i[[3456789]]86-*-*)
747 libgloss_dir=i386
748 ;;
749 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
750 libgloss_dir=m68hc11
751 ;;
752 m68*-*-* | fido-*-*)
753 libgloss_dir=m68k
754 ;;
755 mips*-*-*)
756 libgloss_dir=mips
757 ;;
758 powerpc*-*-*)
759 libgloss_dir=rs6000
760 ;;
761 sparc*-*-*)
762 libgloss_dir=sparc
763 ;;
764esac
765
c7e4b184 766# Disable newlib and libgloss for various target OSes.
252b5132 767case "${target}" in
c7e4b184
JM		 768 alpha*-dec-osf*)
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
770 ;;
771 i[[3456789]]86-*-linux*)
772 # This section makes it possible to build newlib natively on linux.
773 # If we are using a cross compiler then don't configure newlib.
774 if test x${is_cross_compiler} != xno ; then
775 noconfigdirs="$noconfigdirs target-newlib"
776 fi
777 noconfigdirs="$noconfigdirs target-libgloss"
778 # If we are not using a cross compiler, do configure newlib.
779 # Note however, that newlib will only be configured in this situation
780 # if the --with-newlib option has been given, because otherwise
781 # 'target-newlib' will appear in skipdirs.
782 ;;
783 i[[3456789]]86-*-rdos*)
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
785 ;;
786 sh*-*-pe|mips*-*-pe|arm-wince-pe)
787 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
788 ;;
789 sparc-*-sunos4*)
790 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
791 ;;
792 *-*-aix*)
793 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
794 ;;
795 *-*-beos*)
796 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
797 ;;
75205f78 798 *-*-chorusos)
b2f14e4a 799 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 800 ;;
c7e4b184
JM		 801 *-*-dragonfly*)
802 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
803 ;;
804 *-*-freebsd*)
805 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
806 ;;
807 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
808 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
809 ;;
810 *-*-lynxos*)
811 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
7ec59b9e 812 ;;
c7e4b184
JM		 813 *-*-mingw*)
814 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
815 ;;
816 *-*-netbsd*)
817 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
818 ;;
819 *-*-netware*)
820 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
821 ;;
822 *-*-tpf*)
823 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
824 ;;
825 *-*-uclinux*)
826 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
827 ;;
828 *-*-vxworks*)
829 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
830 ;;
831esac
832
833case "${target}" in
834 *-*-chorusos)
835 ;;
24741ab2 836 powerpc-*-darwin*)
9d39db92 837 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 838 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 839 ;;
85bd1942
TG		 840 i[[3456789]]86-*-darwin*)
841 noconfigdirs="$noconfigdirs ld gprof"
842 noconfigdirs="$noconfigdirs sim target-rda"
843 ;;
e8a5fa9c 844 x86_64-*-darwin[[912]]*)
652dec25
TG		 845 noconfigdirs="$noconfigdirs ld gas gprof"
846 noconfigdirs="$noconfigdirs sim target-rda"
847 ;;
04d1ab34 848 *-*-darwin*)
d320aacb 849 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 850 noconfigdirs="$noconfigdirs sim target-rda"
04d1ab34 851 ;;
5b806d27 852 *-*-dragonfly*)
5b806d27 853 ;;
de0b4a87 854 *-*-freebsd*)
4b1cb4fe
DD		 855 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
856 && test -f /usr/local/include/gmp.h; then
857 with_gmp=/usr/local
858 fi
4b1cb4fe 859 ;;
f8a495c8
NC		 860 *-*-kaos*)
861 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 862 noconfigdirs="$noconfigdirs target-libgloss"
863 ;;
e82380cc 864 *-*-netbsd*)
e82380cc 865 ;;
2a3124ca 866 *-*-netware*)
252b5132
RH		 867 ;;
868 *-*-rtems*)
9863d716 869 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 870 ;;
1587117a
EC		 871 # The tpf target doesn't support gdb yet.
872 *-*-tpf*)
c7e4b184 873 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1587117a 874 ;;
c1968181 875 *-*-uclinux*)
c7e4b184 876 noconfigdirs="$noconfigdirs target-rda"
c1968181 877 ;;
252b5132 878 *-*-vxworks*)
252b5132
RH		 879 ;;
880 alpha*-dec-osf*)
e99daf2b 881 # ld works, but does not support shared libraries.
252b5132 882 # gas doesn't generate exception information.
c7e4b184 883 noconfigdirs="$noconfigdirs gas ld"
252b5132
RH		 884 ;;
885 alpha*-*-*vms*)
9863d716 886 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
75205f78 887 ;;
252b5132
RH		 888 alpha*-*-*)
889 # newlib is not 64 bit ready
9863d716 890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132 891 ;;
2fb651f6 892 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
675c6968 893 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6 894 ;;
252b5132 895 arc-*-*)
782cb41f 896 noconfigdirs="$noconfigdirs target-libgloss"
252b5132
RH		 897 ;;
898 arm-*-pe*)
9863d716 899 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 900 ;;
252b5132 901 arm-*-riscix*)
b2f14e4a 902 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 903 ;;
8e71395b
L		 904 avr-*-rtems*)
905 ;;
906 avr-*-*)
907 if test x${with_avrlibc} != xno; then
908 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 fi
910 ;;
ff72e302 911 c4x-*-* | tic4x-*-*)
b2f14e4a 912 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 913 ;;
b2f14e4a
JM		 914 tic54x-*-*)
915 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 916 ;;
252b5132 917 d10v-*-*)
b2f14e4a 918 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 919 ;;
252b5132 920 d30v-*-*)
b2f14e4a 921 noconfigdirs="$noconfigdirs gdb"
252b5132 922 ;;
252b5132 923 fr30-*-elf*)
9863d716 924 noconfigdirs="$noconfigdirs gdb"
252b5132 925 ;;
20135e4c 926 moxie-*-*)
20135e4c
NC		 927 noconfigdirs="$noconfigdirs gprof"
928 ;;
dd1e52a4 929 h8300*-*-*)
9863d716 930 noconfigdirs="$noconfigdirs target-libgloss"
dd1e52a4 931 ;;
252b5132 932 h8500-*-*)
b2f14e4a 933 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 934 ;;
caeba88f 935 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 936 ;;
93cc359e 937 hppa*64*-*-linux*)
252b5132 938 ;;
f0ff0f90 939 hppa*-*-linux*)
5dcac624 940 ;;
252b5132 941 hppa*-*-*elf* | \
09e90eb4 942 hppa*-*-lites* | \
17240c1f 943 hppa*-*-openbsd* | \
09e90eb4 944 hppa*64*-*-*)
4f0ef2d8
CD		 945 ;;
946 hppa*-hp-hpux11*)
0377a422 947 noconfigdirs="$noconfigdirs ld"
252b5132 948 ;;
691bb5a1 949 hppa*-*-pro*)
691bb5a1 950 ;;
252b5132 951 hppa*-*-*)
9863d716 952 noconfigdirs="$noconfigdirs ld"
252b5132 953 ;;
b07c2aad 954 i960-*-*)
b2f14e4a 955 noconfigdirs="$noconfigdirs gdb"
b07c2aad 956 ;;
2315914d
JW		 957 ia64*-*-elf*)
958 # No gdb support yet.
0377a422 959 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 960 ;;
a0c1c920 961 ia64*-**-hpux*)
92c9a463 962 # No ld support yet.
9863d716 963 noconfigdirs="$noconfigdirs libgui itcl ld"
a0c1c920 964 ;;
19e99079 965 ia64*-*-*vms*)
7ec59b9e
L		 966 # No ld support yet.
967 noconfigdirs="$noconfigdirs libgui itcl ld"
19e99079 968 ;;
1f53ca9a 969 i[[3456789]]86-w64-mingw*)
1f53ca9a
AO		 970 ;;
971 i[[3456789]]86-*-mingw*)
45055374 972 target_configdirs="$target_configdirs target-winsup"
1f53ca9a 973 ;;
252b5132
RH		 974 *-*-cygwin*)
975 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 976 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 977 # always build newlib if winsup directory is present.
45055374 978 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 979 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 980 elif test -d "$srcdir/newlib"; then
45055374 981 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 982 fi
1f53ca9a 983 ;;
ec11bdc6 984 i[[3456789]]86-*-pe)
782cb41f 985 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 986 ;;
ec11bdc6 987 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 988 # The linker does not yet know about weak symbols in COFF,
989 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 990 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 991 ;;
ec11bdc6 992 i[[3456789]]86-*-sco*)
b2f14e4a 993 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 994 ;;
cff32a7c 995 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
252b5132
RH		 996 noconfigdirs="$noconfigdirs target-libgloss"
997 ;;
ec11bdc6 998 i[[3456789]]86-*-sysv4*)
b2f14e4a 999 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 1000 ;;
ec11bdc6 1001 i[[3456789]]86-*-beos*)
c7e4b184 1002 noconfigdirs="$noconfigdirs gdb"
bba45b8b 1003 ;;
b59bea8a 1004 i[[3456789]]86-*-rdos*)
c7e4b184 1005 noconfigdirs="$noconfigdirs gdb"
691bb5a1 1006 ;;
75205f78 1007 mmix-*-*)
9863d716 1008 noconfigdirs="$noconfigdirs gdb"
75205f78 1009 ;;
4970f871 1010 mt-*-*)
cdb9b172
AH		 1011 noconfigdirs="$noconfigdirs sim"
1012 ;;
252b5132
RH		 1013 powerpc-*-aix*)
1014 # copied from rs6000-*-* entry
c7e4b184 1015 noconfigdirs="$noconfigdirs gprof"
252b5132 1016 ;;
93cc359e 1017 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 1018 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 1019 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 1020 # always build newlib.
1021 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1022 ;;
1023 # This is temporary until we can link against shared libraries
1024 powerpcle-*-solaris*)
b2f14e4a 1025 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
ba73c63f
JM		 1026 ;;
1027 powerpc-*-beos*)
c7e4b184 1028 noconfigdirs="$noconfigdirs gdb"
252b5132
RH		 1029 ;;
1030 rs6000-*-lynxos*)
c7e4b184 1031 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1032 ;;
1033 rs6000-*-aix*)
c7e4b184 1034 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1035 ;;
1036 rs6000-*-*)
9863d716 1037 noconfigdirs="$noconfigdirs gprof"
252b5132
RH		 1038 ;;
1039 m68k-apollo-*)
b2f14e4a 1040 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 1041 ;;
25a07265 1042 microblaze*)
9863d716 1043 noconfigdirs="$noconfigdirs gprof"
25a07265 1044 ;;
d09bbf00 1045 mips*-sde-elf* | mips*-mti-elf*)
5bd8be13
RS		 1046 if test x$with_newlib = xyes; then
1047 noconfigdirs="$noconfigdirs gprof"
1048 fi
5bd8be13 1049 ;;
252b5132 1050 mips*-*-irix5*)
b2f14e4a 1051 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 1052 ;;
1053 mips*-*-irix6*)
9863d716 1054 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1055 ;;
252b5132 1056 mips*-*-bsd*)
b2f14e4a 1057 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 1058 ;;
fad93c55 1059 mips*-*-linux*)
fad93c55 1060 ;;
252b5132 1061 mips*-*-*)
9863d716 1062 noconfigdirs="$noconfigdirs gprof"
252b5132 1063 ;;
dbf85af7 1064 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 1065 case "${target}" in
1066 sh*-*-elf)
9863d716 1067 ;;
e8a5fa9c 1068 *)
9863d716 1069 noconfigdirs="$noconfigdirs target-libgloss" ;;
e8a5fa9c 1070 esac
252b5132 1071 ;;
252b5132 1072 sparc-*-sunos4*)
c7e4b184 1073 if test x${is_cross_compiler} = xno ; then
252b5132
RH		 1074 use_gnu_ld=no
1075 fi
1076 ;;
619a3713 1077 tic6x-*-*)
40ae9136 1078 noconfigdirs="$noconfigdirs sim"
619a3713 1079 ;;
eb4b2452
NC		 1080 tilepro-*-* | tilegx-*-*)
1081 noconfigdirs="$noconfigdirs sim"
1082 ;;
252b5132 1083 v810-*-*)
b2f14e4a 1084 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 1085 ;;
1086 vax-*-*)
9863d716 1087 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
96ce09a7 1088 ;;
252b5132
RH		 1089esac
1090
1091# If we aren't building newlib, then don't build libgloss, since libgloss
1092# depends upon some newlib header files.
1093case "${noconfigdirs}" in
1094 *target-libgloss*) ;;
1095 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1096esac
252b5132 1097
f48556b1 1098# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 1099host_makefile_frag=/dev/null
f48556b1
DD		 1100if test -d ${srcdir}/config ; then
1101case "${host}" in
ec11bdc6 1102 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1103 host_makefile_frag="config/mh-djgpp"
1104 ;;
1105 *-cygwin*)
e33b51a6 1106 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1107 host_makefile_frag="config/mh-cygwin"
1108 ;;
8a1599ab 1109 *-mingw*)
84e7906e 1110 host_makefile_frag="config/mh-mingw"
80f6dcbc 1111 ;;
da888c87 1112 hppa*-hp-hpux10*)
da888c87 1113 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1114 ;;
3516a403 1115 hppa*-hp-hpux*)
da888c87
PB		 1116 host_makefile_frag="config/mh-pa"
1117 ;;
7ec59b9e 1118 hppa*-*)
da888c87
PB		 1119 host_makefile_frag="config/mh-pa"
1120 ;;
e552509b
ILT		 1121 *-*-darwin*)
1122 host_makefile_frag="config/mh-darwin"
0df3d27f 1123 ;;
f6d183c0
PB		 1124 powerpc-*-aix*)
1125 host_makefile_frag="config/mh-ppc-aix"
1126 ;;
1127 rs6000-*-aix*)
1128 host_makefile_frag="config/mh-ppc-aix"
1129 ;;
f48556b1
DD		 1130esac
1131fi
1132
9e07f89d 1133if test "${build}" != "${host}" ; then
b5714970
PB		 1134 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1135 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1136 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1137 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1138 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1139 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1140 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1141 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1142 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1143 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1144 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1145 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1146 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1147else
b5714970
PB		 1148 AR_FOR_BUILD="\$(AR)"
1149 AS_FOR_BUILD="\$(AS)"
9e07f89d 1150 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1151 CXX_FOR_BUILD="\$(CXX)"
1152 GCJ_FOR_BUILD="\$(GCJ)"
1153 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1154 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1155 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1156 LD_FOR_BUILD="\$(LD)"
1157 NM_FOR_BUILD="\$(NM)"
1158 RANLIB_FOR_BUILD="\$(RANLIB)"
1159 WINDRES_FOR_BUILD="\$(WINDRES)"
1160 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1161fi
9e07f89d 1162
24ff9987
DJ		 1163AC_PROG_CC
1164AC_PROG_CXX
1165
1166# We must set the default linker to the linker used by gcc for the correct
1167# operation of libtool. If LD is not defined and we are using gcc, try to
1168# set the LD default to the ld used by gcc.
1169if test -z "$LD"; then
1170 if test "$GCC" = yes; then
1171 case $build in
1172 *-*-mingw*)
1173 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1174 *)
1175 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1176 esac
1177 case $gcc_prog_ld in
1178 # Accept absolute paths.
1179 [[\\/]* | [A-Za-z]:[\\/]*)]
1180 LD="$gcc_prog_ld" ;;
1181 esac
1182 fi
9e07f89d
NN		 1183fi
1184
b3676d82
EB		 1185# Check whether -static-libstdc++ -static-libgcc is supported.
1186have_static_libs=no
1187if test "$GCC" = yes; then
1188 saved_LDFLAGS="$LDFLAGS"
1189
1190 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1191 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1192 AC_LANG_PUSH(C++)
1193 AC_LINK_IFELSE([int main() {}],
1194 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1195 [AC_MSG_RESULT([no])])
1196 AC_LANG_POP(C++)
1197
1198 LDFLAGS="$saved_LDFLAGS"
1199fi
1200
9e07f89d 1201ACX_PROG_GNAT
b8908782 1202ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1203
ffdd6afc
ILT		 1204AC_ARG_ENABLE([bootstrap],
1205[AS_HELP_STRING([--enable-bootstrap],
1206 [enable bootstrapping @<:@yes if native build@:>@])],,
1207enable_bootstrap=default)
1208
1209# Issue errors and warnings for invalid/strange bootstrap combinations.
1210if test -r $srcdir/gcc/configure; then
1211 have_compiler=yes
1212else
1213 have_compiler=no
1214fi
1215
1216case "$have_compiler:$host:$target:$enable_bootstrap" in
1217 *:*:*:no) ;;
1218
1219 # Default behavior. Enable bootstrap if we have a compiler
1220 # and we are in a native configuration.
1221 yes:$build:$build:default)
1222 enable_bootstrap=yes ;;
1223
1224 *:*:*:default)
1225 enable_bootstrap=no ;;
1226
1227 # We have a compiler and we are in a native configuration, bootstrap is ok
1228 yes:$build:$build:yes)
1229 ;;
1230
1231 # Other configurations, but we have a compiler. Assume the user knows
1232 # what he's doing.
1233 yes:*:*:yes)
1234 AC_MSG_WARN([trying to bootstrap a cross compiler])
1235 ;;
1236
1237 # No compiler: if they passed --enable-bootstrap explicitly, fail
1238 no:*:*:yes)
1239 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1240
1241 # Fail if wrong command line
1242 *)
1243 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1244 ;;
1245esac
1246
d5f2ee2e
KG		 1247# Used for setting $lt_cv_objdir
1248_LT_CHECK_OBJDIR
1249
e8a5fa9c 1250# Check for GMP, MPFR and MPC
d9b76ff9 1251gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1252gmpinc=
4b900473 1253have_gmp=no
e8a5fa9c
RW		 1254
1255# Specify a location for mpc
1256# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1257AC_ARG_WITH(mpc,
1258[AS_HELP_STRING([--with-mpc=PATH],
1259 [specify prefix directory for installed MPC package.
1260 Equivalent to --with-mpc-include=PATH/include
1261 plus --with-mpc-lib=PATH/lib])])
1262AC_ARG_WITH(mpc-include,
1263[AS_HELP_STRING([--with-mpc-include=PATH],
1264 [specify directory for installed MPC include files])])
1265AC_ARG_WITH(mpc-lib,
1266[AS_HELP_STRING([--with-mpc-lib=PATH],
1267 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1268
1269if test "x$with_mpc" != x; then
d9b76ff9
KG		 1270 gmplibs="-L$with_mpc/lib $gmplibs"
1271 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1272fi
1273if test "x$with_mpc_include" != x; then
d9b76ff9 1274 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1275fi
1276if test "x$with_mpc_lib" != x; then
d9b76ff9 1277 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1278fi
1279if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1280 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1281 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1282 # Do not test the mpc version. Assume that it is sufficient, since
1283 # it is in the source tree, and the library has not been built yet
1284 # but it would be included on the link line in the version check below
1285 # hence making the test fail.
d9b76ff9 1286 have_gmp=yes
e8a5fa9c 1287fi
4b900473 1288
11b04d1f
DD		 1289# Specify a location for mpfr
1290# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1291AC_ARG_WITH(mpfr-dir,
1292[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1293[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1294Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1295
1296AC_ARG_WITH(mpfr,
1297[AS_HELP_STRING([--with-mpfr=PATH],
1298 [specify prefix directory for installed MPFR package.
1299 Equivalent to --with-mpfr-include=PATH/include
1300 plus --with-mpfr-lib=PATH/lib])])
1301AC_ARG_WITH(mpfr-include,
1302[AS_HELP_STRING([--with-mpfr-include=PATH],
1303 [specify directory for installed MPFR include files])])
1304AC_ARG_WITH(mpfr-lib,
1305[AS_HELP_STRING([--with-mpfr-lib=PATH],
1306 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1307
1308if test "x$with_mpfr" != x; then
1309 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1310 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1311fi
8a0d8a5c 1312if test "x$with_mpfr_include" != x; then
d9b76ff9 1313 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1314fi
1315if test "x$with_mpfr_lib" != x; then
1316 gmplibs="-L$with_mpfr_lib $gmplibs"
1317fi
4b900473 1318if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
58b1dd21
NC		 1319 # MPFR v3.1.0 moved the sources into a src sub-directory.
1320 if test -d ${srcdir}/mpfr/src; then
1321 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1322 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1323 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1324 else
1325 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1326 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1327 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1328 fi
4b900473
PB		 1329 # Do not test the mpfr version. Assume that it is sufficient, since
1330 # it is in the source tree, and the library has not been built yet
1331 # but it would be included on the link line in the version check below
1332 # hence making the test fail.
1333 have_gmp=yes
1334fi
11b04d1f 1335
4b1cb4fe 1336# Specify a location for gmp
7837304f
AS		 1337AC_ARG_WITH(gmp-dir,
1338[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1339[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1340Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1341
1342AC_ARG_WITH(gmp,
1343[AS_HELP_STRING([--with-gmp=PATH],
1344 [specify prefix directory for the installed GMP package.
1345 Equivalent to --with-gmp-include=PATH/include
1346 plus --with-gmp-lib=PATH/lib])])
1347AC_ARG_WITH(gmp-include,
1348[AS_HELP_STRING([--with-gmp-include=PATH],
1349 [specify directory for installed GMP include files])])
1350AC_ARG_WITH(gmp-lib,
1351[AS_HELP_STRING([--with-gmp-lib=PATH],
1352 [specify directory for the installed GMP library])])
4b1cb4fe 1353
4b1cb4fe 1354
11b04d1f
DD		 1355if test "x$with_gmp" != x; then
1356 gmplibs="-L$with_gmp/lib $gmplibs"
1357 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1358fi
8a0d8a5c
PB		 1359if test "x$with_gmp_include" != x; then
1360 gmpinc="-I$with_gmp_include $gmpinc"
1361fi
1362if test "x$with_gmp_lib" != x; then
1363 gmplibs="-L$with_gmp_lib $gmplibs"
1364fi
4b900473 1365if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1366 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1367 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1368 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1369 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
7ec59b9e 1370 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
4b900473
PB		 1371 # Do not test the gmp version. Assume that it is sufficient, since
1372 # it is in the source tree, and the library has not been built yet
1373 # but it would be included on the link line in the version check below
1374 # hence making the test fail.
1375 have_gmp=yes
1376fi
4b1cb4fe 1377
ceb92e78 1378if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1379 have_gmp=yes
1380 saved_CFLAGS="$CFLAGS"
1381 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1382 # Check for the recommended and required versions of GMP.
1383 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1384 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1385 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1386 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
8e71395b 1387 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
9dbaa842 1388 choke me
4b900473 1389 #endif
a009f2e7 1390 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1391 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1392 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1393 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1394 choke me
1395 #endif
a009f2e7 1396 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1397 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1398
e8a5fa9c 1399 # If we have GMP, check the MPFR version.
4b900473 1400 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1401 # Check for the recommended and required versions of MPFR.
1402 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1403 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1404 #include <mpfr.h>],[
7ec59b9e 1405 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
4b900473
PB		 1406 choke me
1407 #endif
a009f2e7 1408 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1409 #include <mpfr.h>],[
a6b5846e 1410 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1411 choke me
1412 #endif
a009f2e7 1413 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1414 [AC_MSG_RESULT([no]); have_gmp=no])
1415 fi
1416
1417 # Check for the MPC header version.
d9b76ff9 1418 if test x"$have_gmp" = xyes ; then
a6b5846e 1419 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1420 AC_MSG_CHECKING([for the correct version of mpc.h])
1421 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1422 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1423 choke me
1424 #endif
a009f2e7 1425 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1426 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1427 choke me
1428 #endif
a009f2e7 1429 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1430 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1431 fi
1432
1433 # Now check the MPFR library.
1434 if test x"$have_gmp" = xyes; then
1435 saved_LIBS="$LIBS"
1436 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1437 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1438 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1439 mpfr_t n;
1440 mpfr_t x;
d9b76ff9 1441 mpc_t c;
4b900473 1442 int t;
a3ca38d2
DD		 1443 mpfr_init (n);
1444 mpfr_init (x);
4b900473
PB		 1445 mpfr_atan2 (n, n, x, GMP_RNDN);
1446 mpfr_erfc (n, x, GMP_RNDN);
1447 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1448 mpfr_clear(n);
1449 mpfr_clear(x);
1450 mpc_init2 (c, 53);
1451 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1452 mpc_cosh (c, c, MPC_RNDNN);
1453 mpc_pow (c, c, c, MPC_RNDNN);
1454 mpc_acosh (c, c, MPC_RNDNN);
1455 mpc_clear (c);
e8a5fa9c
RW		 1456 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1457 LIBS="$saved_LIBS"
4b900473 1458 fi
e8a5fa9c 1459
4b900473 1460 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1461
a6b5846e
KG		 1462# The library versions listed in the error message below should match
1463# the HARD-minimums enforced above.
4b900473 1464 if test x$have_gmp != xyes; then
7ec59b9e 1465 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
d9b76ff9
KG		 1466Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1467their locations. Source code for these libraries can be found at
1468their respective hosting sites as well as at
1469ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1470http://gcc.gnu.org/install/prerequisites.html for additional info. If
1471you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1472make sure that you have installed both the libraries and the header
1473files. They may be located in separate packages.])
4b900473 1474 fi
9dbaa842
DD		 1475fi
1476
e8a5fa9c 1477# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1478AC_SUBST(gmplibs)
1479AC_SUBST(gmpinc)
e8a5fa9c
RW		 1480AC_SUBST(extra_mpfr_configure_flags)
1481AC_SUBST(extra_mpc_gmp_configure_flags)
1482AC_SUBST(extra_mpc_mpfr_configure_flags)
7ec59b9e 1483AC_SUBST(extra_isl_gmp_configure_flags)
4b1cb4fe 1484
29383458 1485# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1486AC_ARG_WITH(host-libstdcxx,
1487[AS_HELP_STRING([--with-host-libstdcxx=L],
1488 [use linker arguments L to link with libstdc++
1489 when linking with PPL])])
29383458
JM		 1490
1491case $with_host_libstdcxx in
1492 no|yes)
1493 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1494 ;;
1495esac
e28c595f 1496
e8a5fa9c
RW		 1497# Libraries to use for stage1 or when not bootstrapping.
1498AC_ARG_WITH(stage1-libs,
7837304f 1499[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1500[if test "$withval" = "no" -o "$withval" = "yes"; then
1501 stage1_libs=
1502 else
1503 stage1_libs=$withval
1504 fi],
1505[stage1_libs=$with_host_libstdcxx])
1506AC_SUBST(stage1_libs)
1507
b3676d82
EB		 1508# Linker flags to use for stage1 or when not bootstrapping.
1509AC_ARG_WITH(stage1-ldflags,
1510[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1511[if test "$withval" = "no" -o "$withval" = "yes"; then
1512 stage1_ldflags=
1513 else
1514 stage1_ldflags=$withval
1515 fi],
1516[stage1_ldflags=
1517 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1518 # if supported. But if the user explicitly specified the libraries to use,
1519 # trust that they are doing what they want.
1520 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1521 stage1_ldflags="-static-libstdc++ -static-libgcc"
1522 fi])
1523AC_SUBST(stage1_ldflags)
1524
e8a5fa9c
RW		 1525# Libraries to use for stage2 and later builds. This defaults to the
1526# argument passed to --with-host-libstdcxx.
1527AC_ARG_WITH(boot-libs,
7837304f 1528[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1529[if test "$withval" = "no" -o "$withval" = "yes"; then
1530 poststage1_libs=
1531 else
1532 poststage1_libs=$withval
1533 fi],
1534[poststage1_libs=$with_host_libstdcxx])
1535AC_SUBST(poststage1_libs)
1536
143754cd
NC		 1537# Linker flags to use for stage2 and later builds.
1538AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1539[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1540 [linker flags for stage2 and later])],
143754cd
NC		 1541[if test "$withval" = "no" -o "$withval" = "yes"; then
1542 poststage1_ldflags=
1543 else
1544 poststage1_ldflags=$withval
1545 fi],
1546[poststage1_ldflags=
4f11b223
ILT		 1547 # In stages 2 and 3, default to linking libstdc++ and libgcc
1548 # statically. But if the user explicitly specified the libraries to
1549 # use, trust that they are doing what they want.
1550 if test "$poststage1_libs" = ""; then
143754cd
NC		 1551 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1552 fi])
1553AC_SUBST(poststage1_ldflags)
1554
8e71395b
L		 1555# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1556# Basic setup is inlined here, actual checks are in config/cloog.m4 and
1557# config/isl.m4
1558
1559AC_ARG_WITH(cloog,
1560 [AS_HELP_STRING(
1561 [--with-cloog=PATH],
1562 [Specify prefix directory for the installed CLooG-ISL package.
1563 Equivalent to --with-cloog-include=PATH/include
1564 plus --with-cloog-lib=PATH/lib])])
1565AC_ARG_WITH(isl,
1566 [AS_HELP_STRING(
1567 [--with-isl=PATH],
1568 [Specify prefix directory for the installed ISL package.
1569 Equivalent to --with-isl-include=PATH/include
1570 plus --with-isl-lib=PATH/lib])])
1571
1572# Treat either --without-cloog or --without-isl as a request to disable
1573# GRAPHITE support and skip all following checks.
1574if test "x$with_isl" != "xno" &&
1575 test "x$with_cloog" != "xno"; then
1576 # Check for ISL
1577 dnl Provide configure switches and initialize islinc & isllibs
1578 dnl with user input.
1579 ISL_INIT_FLAGS
7ec59b9e
L		 1580 dnl The minimal version of ISL required for Graphite.
1581 ISL_CHECK_VERSION(0,10)
7ec59b9e
L		 1582 dnl Only execute fail-action, if ISL has been requested.
1583 ISL_IF_FAILED([
1584 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
e28c595f 1585
8e71395b
L		 1586 if test "x$gcc_cv_isl" != "xno"; then
1587 # Check for CLOOG
1588 dnl Provide configure switches and initialize clooginc & clooglibs
1589 dnl with user input.
1590 CLOOG_INIT_FLAGS
1591 dnl The minimal version of CLooG required for Graphite.
1592 dnl
1593 dnl If we use CLooG-Legacy, the provided version information is
1594 dnl ignored.
1595 CLOOG_CHECK_VERSION(0,17,0)
1596
1597 dnl Only execute fail-action, if CLooG has been requested.
1598 CLOOG_IF_FAILED([
1599 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1600 fi
e28c595f
JM		 1601fi
1602
7ec59b9e
L		 1603# If either the ISL or the CLooG check failed, disable builds of in-tree
1604# variants of both
8e71395b
L		 1605if test "x$with_isl" = xno ||
1606 test "x$with_cloog" = xno ||
1607 test "x$gcc_cv_cloog" = xno ||
1608 test "x$gcc_cv_isl" = xno; then
7ec59b9e 1609 noconfigdirs="$noconfigdirs cloog isl"
8e71395b
L		 1610 islinc=
1611 clooginc=
1612 clooglibs=
7ec59b9e
L		 1613fi
1614
8e71395b
L		 1615AC_SUBST(islinc)
1616AC_SUBST(clooglibs)
1617AC_SUBST(clooginc)
1618
1619
700d40ca
ILT		 1620# Check for LTO support.
1621AC_ARG_ENABLE(lto,
7837304f 1622[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1623enable_lto=$enableval,
1624enable_lto=yes; default_enable_lto=yes)
1625
74cea91b
DK		 1626ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1627 build_lto_plugin=yes
1628],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1629 case $target in
899b04ef 1630 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
74cea91b 1631 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1632 *) enable_lto=no ;;
1633 esac
e49e5c92 1634 else
29821356
RW		 1635 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1636 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1637 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1638 # warn during gcc/ subconfigure; unless you're bootstrapping with
1639 # -flto it won't be needed until after installation anyway.
1640 case $target in
a8eb3f0a 1641 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1642 *) if test x"$enable_lto" = x"yes"; then
1643 AC_MSG_ERROR([LTO support is not enabled for this target.])
1644 fi
1645 ;;
1646 esac
1647 fi
a8eb3f0a 1648 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1649 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1650 case $target in
74cea91b 1651 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1652 *) ;;
1653 esac
74cea91b 1654])
700d40ca 1655
e28c595f 1656
7ec59b9e 1657# By default, C and C++ are the only stage 1 languages.
9b134994 1658stage1_languages=,c,
1d39f329 1659
e8a5fa9c 1660# Target libraries that we bootstrap.
2aa2364a 1661bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1662
9e07f89d
NN		 1663# Figure out what language subdirectories are present.
1664# Look if the user specified --enable-languages="..."; if not, use
1665# the environment variable $LANGUAGES if defined. $LANGUAGES might
1666# go away some day.
1667# NB: embedded tabs in this IF block -- do not untabify
1668if test -d ${srcdir}/gcc; then
1669 if test x"${enable_languages+set}" != xset; then
1670 if test x"${LANGUAGES+set}" = xset; then
1671 enable_languages="${LANGUAGES}"
1672 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1673 else
1674 enable_languages=all
1675 fi
1676 else
1677 if test x"${enable_languages}" = x ||
1678 test x"${enable_languages}" = xyes;
1679 then
1680 echo configure.in: --enable-languages needs at least one language argument 1>&2
1681 exit 1
1682 fi
1683 fi
1684 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1685
096f7d00
DE		 1686 # 'f95' is the old name for the 'fortran' language. We issue a warning
1687 # and make the substitution.
1688 case ,${enable_languages}, in
1689 *,f95,*)
1690 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1691 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1692 ;;
1693 esac
1694
7ec59b9e
L		 1695 # If bootstrapping, C++ must be enabled.
1696 case ",$enable_languages,:$enable_bootstrap" in
1697 *,c++,*:*) ;;
1698 *:yes)
ffdd6afc
ILT		 1699 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1700 enable_languages="${enable_languages},c++"
1701 else
7ec59b9e 1702 AC_MSG_ERROR([bootstrapping requires c++ sources])
ffdd6afc
ILT		 1703 fi
1704 ;;
1705 esac
1706
9e07f89d
NN		 1707 # First scan to see if an enabled language requires some other language.
1708 # We assume that a given config-lang.in will list all the language
1709 # front ends it requires, even if some are required indirectly.
1710 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1711 case ${lang_frag} in
1712 ..) ;;
1713 # The odd quoting in the next line works around
1714 # an apparent bug in bash 1.12 on linux.
1715 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1716 *)
e552509b
ILT		 1717 # From the config-lang.in, get $language, $lang_requires, and
1718 # $lang_requires_boot_languages.
9e07f89d
NN		 1719 language=
1720 lang_requires=
e552509b 1721 lang_requires_boot_languages=
9e07f89d 1722 . ${lang_frag}
e552509b 1723 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1724 case ,${enable_languages}, in
1725 *,$other,*) ;;
1726 *,all,*) ;;
1727 *,$language,*)
1728 echo " \`$other' language required by \`$language'; enabling" 1>&2
1729 enable_languages="${enable_languages},${other}"
1730 ;;
1731 esac
1732 done
e552509b
ILT		 1733 for other in ${lang_requires_boot_languages} ; do
1734 if test "$other" != "c"; then
1735 case ,${enable_stage1_languages}, in
1736 *,$other,*) ;;
1737 *,all,*) ;;
1738 *)
1739 case ,${enable_languages}, in
1740 *,$language,*)
1741 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1742 enable_stage1_languages="$enable_stage1_languages,${other}"
1743 ;;
1744 esac
1745 ;;
1746 esac
1747 fi
1748 done
9e07f89d
NN		 1749 ;;
1750 esac
1751 done
1752
9b134994 1753 new_enable_languages=,c,
700d40ca
ILT		 1754
1755 # If LTO is enabled, add the LTO front end.
1756 extra_host_libiberty_configure_flags=
1757 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1758 case ,${enable_languages}, in
1759 *,lto,*) ;;
1760 *) enable_languages="${enable_languages},lto" ;;
1761 esac
a8eb3f0a 1762 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1763 configdirs="$configdirs lto-plugin"
1764 extra_host_libiberty_configure_flags=--enable-shared
1765 fi
1766 fi
1767 AC_SUBST(extra_host_libiberty_configure_flags)
1768
9e07f89d 1769 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1770 potential_languages=,c,
9e07f89d 1771
9e1a94f4
ILT		 1772 enabled_target_libs=
1773 disabled_target_libs=
1774
9e07f89d
NN		 1775 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1776 case ${lang_frag} in
1777 ..) ;;
1778 # The odd quoting in the next line works around
1779 # an apparent bug in bash 1.12 on linux.
1780 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1781 *)
7ec59b9e 1782 # From the config-lang.in, get $language, $target_libs,
1d39f329 1783 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1784 language=
1785 target_libs=
1786 lang_dirs=
64ce424c 1787 subdir_requires=
9b134994
PB		 1788 boot_language=no
1789 build_by_default=yes
9e07f89d 1790 . ${lang_frag}
9b134994
PB		 1791 if test x${language} = x; then
1792 echo "${lang_frag} doesn't set \$language." 1>&2
1793 exit 1
1794 fi
1795
ffdd6afc 1796 if test "$language" = "c++"; then
7ec59b9e 1797 boot_language=yes
e8a5fa9c
RW		 1798 fi
1799
8e71395b 1800 add_this_lang=no
9b134994
PB		 1801 case ,${enable_languages}, in
1802 *,${language},*)
7ec59b9e
L		 1803 # Language was explicitly selected; include it
1804 # unless it is C, which is enabled by default.
1805 if test "$language" != "c"; then
1806 add_this_lang=yes
1807 fi
9e07f89d 1808 ;;
9b134994
PB		 1809 *,all,*)
1810 # 'all' was selected, select it if it is a default language
8e71395b
L		 1811 if test "$language" != "c"; then
1812 add_this_lang=${build_by_default}
1813 fi
9e07f89d
NN		 1814 ;;
1815 esac
4b1cb4fe 1816
64ce424c 1817 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1818 for i in $subdir_requires; do
3d3adb43 1819 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1820 case ,${enable_languages}, in
1821 *,${language},*)
1822 # Specifically requested language; tell them.
1823 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1824 ;;
1825 *)
1826 # Silently disable.
9b134994 1827 add_this_lang=unsupported
64ce424c
PB		 1828 ;;
1829 esac
1830 done
1831
9b134994
PB		 1832 # Disable Ada if no preexisting GNAT is available.
1833 case ,${enable_languages},:${language}:${have_gnat} in
1834 *,${language},*:ada:no)
1835 # Specifically requested language; tell them.
1836 AC_MSG_ERROR([GNAT is required to build $language])
1837 ;;
1838 *:ada:no)
1839 # Silently disable.
1840 add_this_lang=unsupported
1841 ;;
1842 esac
1843
59f7ec45
HPN		 1844 # Disable a language that is unsupported by the target.
1845 case " $unsupported_languages " in
1846 *" $language "*)
9b134994 1847 add_this_lang=unsupported
59f7ec45
HPN		 1848 ;;
1849 esac
1850
4b1cb4fe 1851 case $add_this_lang in
9b134994 1852 unsupported)
9e07f89d 1853 # Remove language-dependent dirs.
9e1a94f4
ILT		 1854 disabled_target_libs="$disabled_target_libs $target_libs"
1855 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1856 ;;
9b134994
PB		 1857 no)
1858 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1859 disabled_target_libs="$disabled_target_libs $target_libs"
1860 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1861 potential_languages="${potential_languages}${language},"
1862 ;;
1863 yes)
1864 new_enable_languages="${new_enable_languages}${language},"
1865 potential_languages="${potential_languages}${language},"
1d39f329 1866 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1867 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1868 case "${boot_language}:,$enable_stage1_languages," in
1869 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1870 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1871 case ",$stage1_languages," in
1872 *,$language,* | ,yes, | ,all,) ;;
1873 *) stage1_languages="${stage1_languages}${language}," ;;
1874 esac
e8a5fa9c
RW		 1875 # We need to bootstrap any supporting libraries.
1876 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1877 ;;
1878 esac
1879 ;;
9e07f89d
NN		 1880 esac
1881 ;;
1882 esac
1883 done
1884
9e1a94f4
ILT		 1885 # Add target libraries which are only needed for disabled languages
1886 # to noconfigdirs.
1887 if test -n "$disabled_target_libs"; then
1888 for dir in $disabled_target_libs; do
1889 case " $enabled_target_libs " in
1890 *" ${dir} "*) ;;
1891 *) noconfigdirs="$noconfigdirs $dir" ;;
1892 esac
1893 done
1894 fi
1895
9b134994 1896 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1897 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1898 [choose additional languages to build during
1899 stage1. Mostly useful for compiler development])],
9b134994
PB		 1900 [case ,${enable_stage1_languages}, in
1901 ,no,|,,)
1902 # Set it to something that will have no effect in the loop below
1903 enable_stage1_languages=c ;;
1904 ,yes,)
1905 enable_stage1_languages=`echo $new_enable_languages | \
1906 sed -e "s/^,//" -e "s/,$//" ` ;;
1907 *,all,*)
1908 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1909 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1910 esac
1911
1912 # Add "good" languages from enable_stage1_languages to stage1_languages,
1913 # while "bad" languages go in missing_languages. Leave no duplicates.
1914 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1915 case $potential_languages in
1916 *,$i,*)
1917 case $stage1_languages in
1918 *,$i,*) ;;
1919 *) stage1_languages="$stage1_languages$i," ;;
1920 esac ;;
1921 *)
1922 case $missing_languages in
1923 *,$i,*) ;;
1924 *) missing_languages="$missing_languages$i," ;;
1925 esac ;;
1926 esac
1927 done])
1928
1929 # Remove leading/trailing commas that were added for simplicity
1930 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 1931 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 1932 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1933 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1934
9e07f89d
NN		 1935 if test "x$missing_languages" != x; then
1936 AC_MSG_ERROR([
27258dd4 1937The following requested languages could not be built: ${missing_languages}
9b134994 1938Supported languages are: ${potential_languages}])
9e07f89d 1939 fi
9e07f89d
NN		 1940 if test "x$new_enable_languages" != "x$enable_languages"; then
1941 echo The following languages will be built: ${new_enable_languages}
9b134994 1942 enable_languages="$new_enable_languages"
9e07f89d 1943 fi
9b134994
PB		 1944
1945 AC_SUBST(stage1_languages)
81ec575a 1946 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 1947fi
1948
a6df5a19
PB		 1949# Handle --disable-<component> generically.
1950for dir in $configdirs $build_configdirs $target_configdirs ; do
1951 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 1952 varname=`echo $dirname | sed -e s/+/_/g`
1953 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 1954 noconfigdirs="$noconfigdirs $dir"
1955 fi
1956done
1957
4f0ef2d8
CD		 1958# Check for Boehm's garbage collector
1959AC_ARG_ENABLE(objc-gc,
7837304f
AS		 1960[AS_HELP_STRING([--enable-objc-gc],
1961 [enable use of Boehm's garbage collector with the
1962 GNU Objective-C runtime])],
4f0ef2d8
CD		 1963[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1964 *,objc,*:*:yes:*target-boehm-gc*)
1965 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1966 ;;
1967esac])
1968
1969# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 1970case ,${enable_languages},:${enable_objc_gc} in
1971 *,objc,*:yes)
4f0ef2d8
CD		 1972 # Keep target-boehm-gc if requested for Objective-C.
1973 ;;
4f0ef2d8 1974 *)
d42c4017
DA		 1975 # Otherwise remove target-boehm-gc depending on target-libjava.
1976 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1977 noconfigdirs="$noconfigdirs target-boehm-gc"
1978 fi
4f0ef2d8
CD		 1979 ;;
1980esac
1981
7ec59b9e
L		 1982# Disable libitm if we're not building C++
1983case ,${enable_languages}, in
1984 *,c++,*) ;;
1985 *)
1986 noconfigdirs="$noconfigdirs target-libitm"
1987 ;;
1988esac
1989
caeba88f
AL		 1990# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1991# $build_configdirs and $target_configdirs.
9e07f89d
NN		 1992# If we have the source for $noconfigdirs entries, add them to $notsupp.
1993
1994notsupp=""
1995for dir in . $skipdirs $noconfigdirs ; do
caeba88f 1996 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 1997 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1998 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1999 if test -r $srcdir/$dirname/configure ; then
2000 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2001 true
2002 else
2003 notsupp="$notsupp $dir"
2004 fi
2005 fi
2006 fi
caeba88f
AL		 2007 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2008 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2009 if test -r $srcdir/$dirname/configure ; then
2010 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2011 true
2012 else
2013 notsupp="$notsupp $dir"
2014 fi
2015 fi
2016 fi
9e07f89d
NN		 2017 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2018 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2019 if test -r $srcdir/$dirname/configure ; then
2020 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2021 true
2022 else
2023 notsupp="$notsupp $dir"
2024 fi
2025 fi
2026 fi
2027done
2028
9e07f89d
NN		 2029# Quietly strip out all directories which aren't configurable in this tree.
2030# This relies on all configurable subdirectories being autoconfiscated, which
2031# is now the case.
6a9cf61e
PB		 2032build_configdirs_all="$build_configdirs"
2033build_configdirs=
2034for i in ${build_configdirs_all} ; do
7ec59b9e 2035 j=`echo $i | sed -e s/build-//g`
6a9cf61e
PB		 2036 if test -f ${srcdir}/$j/configure ; then
2037 build_configdirs="${build_configdirs} $i"
2038 fi
2039done
2040
9e07f89d
NN		 2041configdirs_all="$configdirs"
2042configdirs=
2043for i in ${configdirs_all} ; do
2044 if test -f ${srcdir}/$i/configure ; then
2045 configdirs="${configdirs} $i"
2046 fi
2047done
6a9cf61e 2048
9e07f89d
NN		 2049target_configdirs_all="$target_configdirs"
2050target_configdirs=
2051for i in ${target_configdirs_all} ; do
7ec59b9e 2052 j=`echo $i | sed -e s/target-//g`
9e07f89d
NN		 2053 if test -f ${srcdir}/$j/configure ; then
2054 target_configdirs="${target_configdirs} $i"
2055 fi
2056done
2057
2058# Produce a warning message for the subdirs we can't configure.
2059# This isn't especially interesting in the Cygnus tree, but in the individual
2060# FSF releases, it's important to let people know when their machine isn't
2061# supported by the one or two programs in a package.
2062
2063if test -n "${notsupp}" && test -z "${norecursion}" ; then
2064 # If $appdirs is non-empty, at least one of those directories must still
2065 # be configured, or we error out. (E.g., if the gas release supports a
2066 # specified target in some subdirs but not the gas subdir, we shouldn't
2067 # pretend that all is well.)
2068 if test -n "$appdirs" ; then
2069 for dir in $appdirs ; do
2070 if test -r $dir/Makefile.in ; then
2071 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2072 appdirs=""
2073 break
2074 fi
6a9cf61e 2075 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2076 appdirs=""
2077 break
2078 fi
2079 fi
2080 done
2081 if test -n "$appdirs" ; then
2082 echo "*** This configuration is not supported by this package." 1>&2
2083 exit 1
2084 fi
2085 fi
2086 # Okay, some application will build, or we don't care to check. Still
2087 # notify of subdirs not getting built.
2088 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2089 echo " ${notsupp}" 1>&2
2090 echo " (Any other directories should still work fine.)" 1>&2
2091fi
2092
2093case "$host" in
2094 *msdosdjgpp*)
2095 enable_gdbtk=no ;;
2096esac
2097
24ff9987
DJ		 2098# To find our prefix, in gcc_cv_tool_prefix.
2099ACX_TOOL_DIRS
2100
9e07f89d
NN		 2101copy_dirs=
2102
7ec59b9e 2103AC_ARG_WITH([build-sysroot],
7837304f
AS		 2104 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2105 [use sysroot as the system root during the build])],
a19b6204
MM		 2106 [if test x"$withval" != x ; then
2107 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2108 fi],
2109 [SYSROOT_CFLAGS_FOR_TARGET=])
2110AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2111
8a6ee3ab 2112AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2113 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2114 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2115 [if test x"$withval" != x; then
2116 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2117 for debug_map in $withval; do
2118 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2119 done
2120 fi],
2121 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2122AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2123
7f6ef0c0
PB		 2124# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2125# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2126# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2127# We want to ensure that TARGET libraries (which we know are built with
2128# gcc) are built with "-O2 -g", so include those options when setting
2129# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2130if test "x$CFLAGS_FOR_TARGET" = x; then
2131 CFLAGS_FOR_TARGET=$CFLAGS
2132 case " $CFLAGS " in
2133 *" -O2 "*) ;;
68f107fa 2134 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2135 esac
2136 case " $CFLAGS " in
2137 *" -g "* | *" -g3 "*) ;;
68f107fa 2138 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2139 esac
2140fi
2141AC_SUBST(CFLAGS_FOR_TARGET)
2142
2143if test "x$CXXFLAGS_FOR_TARGET" = x; then
2144 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2145 case " $CXXFLAGS " in
2146 *" -O2 "*) ;;
68f107fa 2147 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2148 esac
2149 case " $CXXFLAGS " in
2150 *" -g "* | *" -g3 "*) ;;
68f107fa 2151 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
7f6ef0c0
PB		 2152 esac
2153fi
2154AC_SUBST(CXXFLAGS_FOR_TARGET)
2155
91c1f14c
DK		 2156AC_SUBST(LDFLAGS_FOR_TARGET)
2157
9e07f89d
NN		 2158# Handle --with-headers=XXX. If the value is not "yes", the contents of
2159# the named directory are copied to $(tooldir)/sys-include.
2160if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2161 if test x${is_cross_compiler} = xno ; then
2162 echo 1>&2 '***' --with-headers is only supported when cross compiling
2163 exit 1
2164 fi
2165 if test x"${with_headers}" != xyes ; then
24ff9987 2166 x=${gcc_cv_tool_prefix}
c6b750e1 2167 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2168 fi
2169fi
2170
2171# Handle --with-libs=XXX. If the value is not "yes", the contents of
2172# the name directories are copied to $(tooldir)/lib. Multiple directories
2173# are permitted.
2174if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2175 if test x${is_cross_compiler} = xno ; then
2176 echo 1>&2 '***' --with-libs is only supported when cross compiling
2177 exit 1
2178 fi
2179 if test x"${with_libs}" != xyes ; then
2180 # Copy the libraries in reverse order, so that files in the first named
2181 # library override files in subsequent libraries.
24ff9987 2182 x=${gcc_cv_tool_prefix}
9e07f89d 2183 for l in ${with_libs}; do
c6b750e1 2184 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2185 done
2186 fi
2187fi
2188
700d40ca 2189# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2190#
2191# This is done by determining whether or not the appropriate directory
2192# is available, and by checking whether or not specific configurations
2193# have requested that this magic not happen.
7ec59b9e
L		 2194#
2195# The command line options always override the explicit settings in
2429c060
PB		 2196# configure.in, and the settings in configure.in override this magic.
2197#
7ec59b9e 2198# If the default for a toolchain is to use GNU as and ld, and you don't
2429c060 2199# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2200# --without-gnu-ld options for the configure script. Similarly, if
2201# the default is to use the included zlib and you don't want to do that,
2202# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2203
2204if test x${use_gnu_as} = x &&
2205 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2206 with_gnu_as=yes
2207 extra_host_args="$extra_host_args --with-gnu-as"
2208fi
2209
2210if test x${use_gnu_ld} = x &&
93f9b408 2211 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2212 with_gnu_ld=yes
2213 extra_host_args="$extra_host_args --with-gnu-ld"
2214fi
2215
700d40ca
ILT		 2216if test x${use_included_zlib} = x &&
2217 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2218 :
2219else
2220 with_system_zlib=yes
2221 extra_host_args="$extra_host_args --with-system-zlib"
2222fi
2223
2429c060
PB		 2224# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2225# can detect this case.
2226
2227if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2228 with_newlib=yes
2229 extra_host_args="$extra_host_args --with-newlib"
2230fi
2231
9e07f89d
NN		 2232# Handle ${copy_dirs}
2233set fnord ${copy_dirs}
2234shift
2235while test $# != 0 ; do
2236 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2237 :
2238 else
2239 echo Copying $1 to $2
2240
2241 # Use the install script to create the directory and all required
2242 # parent directories.
2243 if test -d $2 ; then
2244 :
2245 else
2246 echo >config.temp
2247 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2248 fi
2249
2250 # Copy the directory, assuming we have tar.
2251 # FIXME: Should we use B in the second tar? Not all systems support it.
2252 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2253
2254 # It is the responsibility of the user to correctly adjust all
2255 # symlinks. If somebody can figure out how to handle them correctly
2256 # here, feel free to add the code.
2257
2258 echo $1 > $2/COPIED
2259 fi
2260 shift; shift
2261done
2262
2429c060
PB		 2263# Determine a target-dependent exec_prefix that the installed
2264# gcc will search in. Keep this list sorted by triplet, with
2265# the *-*-osname triplets last.
2266md_exec_prefix=
2267case "${target}" in
521ec477 2268 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2269 md_exec_prefix=/dev/env/DJDIR/bin
2270 ;;
2429c060 2271 *-*-hpux* | \
2429c060 2272 *-*-nto-qnx* | \
1f111696 2273 *-*-solaris2*)
2429c060
PB		 2274 md_exec_prefix=/usr/ccs/bin
2275 ;;
2276esac
2277
874e38b4
NN		 2278extra_arflags_for_target=
2279extra_nmflags_for_target=
1086bc09 2280extra_ranlibflags_for_target=
a0da8069 2281target_makefile_frag=/dev/null
f48556b1 2282case "${target}" in
77d7106f
AM		 2283 spu-*-*)
2284 target_makefile_frag="config/mt-spu"
2285 ;;
d09bbf00 2286 mips*-sde-elf* | mips*-mti-elf*)
429acdec
RS		 2287 target_makefile_frag="config/mt-sde"
2288 ;;
f3b1e08e
RS		 2289 mipsisa*-*-elfoabi*)
2290 target_makefile_frag="config/mt-mips-elfoabi"
2291 ;;
e7c8859c
RS		 2292 mips*-*-*linux* | mips*-*-gnu*)
2293 target_makefile_frag="config/mt-mips-gnu"
2294 ;;
29383458 2295 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2296 target_makefile_frag="config/mt-gnu"
f48556b1 2297 ;;
a0da8069 2298 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
7ec59b9e 2299 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
874e38b4
NN		 2300 # commands to handle both 32-bit and 64-bit objects. These flags are
2301 # harmless if we're using GNU nm or ar.
2302 extra_arflags_for_target=" -X32_64"
2303 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2304 ;;
b6f83f2a
DD		 2305esac
2306
a0da8069 2307alphaieee_frag=/dev/null
b6f83f2a
DD		 2308case $target in
2309 alpha*-*-*)
2310 # This just makes sure to use the -mieee option to build target libs.
2311 # This should probably be set individually by each library.
2312 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2313 ;;
2314esac
a0a2c6c6 2315
f48556b1
DD		 2316# If --enable-target-optspace always use -Os instead of -O2 to build
2317# the target libraries, similarly if it is not specified, use -Os
2318# on selected platforms.
a0da8069 2319ospace_frag=/dev/null
f48556b1
DD		 2320case "${enable_target_optspace}:${target}" in
2321 yes:*)
b6f83f2a 2322 ospace_frag="config/mt-ospace"
f48556b1
DD		 2323 ;;
2324 :d30v-*)
b6f83f2a 2325 ospace_frag="config/mt-d30v"
f48556b1
DD		 2326 ;;
2327 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2328 ospace_frag="config/mt-ospace"
f48556b1
DD		 2329 ;;
2330 no:* | :*)
2331 ;;
2332 *)
2333 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2334 ;;
2335esac
252b5132 2336
a0da8069
NN		 2337# Some systems (e.g., one of the i386-aix systems the gas testers are
2338# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2339tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2340build_tooldir=${tooldir}
2341
a0da8069
NN		 2342# Create a .gdbinit file which runs the one in srcdir
2343# and tells GDB to look there for source files.
2344
2345if test -r ${srcdir}/.gdbinit ; then
2346 case ${srcdir} in
2347 .) ;;
2348 *) cat > ./.gdbinit <<EOF
2349# ${NO_EDIT}
2350dir ${srcdir}
2351dir .
2352source ${srcdir}/.gdbinit
2353EOF
2354 ;;
2355 esac
2356fi
2357
252b5132
RH		 2358# Make sure that the compiler is able to generate an executable. If it
2359# can't, we are probably in trouble. We don't care whether we can run the
2360# executable--we might be using a cross compiler--we only care whether it
2361# can be created. At this point the main configure script has set CC.
a0c4f3a0 2362we_are_ok=no
252b5132
RH		 2363echo "int main () { return 0; }" > conftest.c
2364${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2365if test $? = 0 ; then
2366 if test -s conftest || test -s conftest.exe ; then
2367 we_are_ok=yes
2368 fi
7ec59b9e 2369fi
a0c4f3a0
DD		 2370case $we_are_ok in
2371 no)
2372 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2373 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2374 rm -f conftest*
2375 exit 1
2376 ;;
2377esac
252b5132
RH		 2378rm -f conftest*
2379
3bbd2f8f 2380# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2381case "${host}" in
2382 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2383 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2384 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2385 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2386esac
8607b6c9 2387
3bbd2f8f 2388# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2389# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2390# built executables to PATH.
3bbd2f8f
AL		 2391if test "$RPATH_ENVVAR" = PATH; then
2392 GCC_SHLIB_SUBDIR=/shlib
2393else
2394 GCC_SHLIB_SUBDIR=
2395fi
2396
3866be5d
NN		 2397# Record target_configdirs and the configure arguments for target and
2398# build configuration in Makefile.
2399target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2400build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2401
2aa2364a
JR		 2402# If we are building libgomp, bootstrap it.
2403if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2404 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2405fi
2406
930314a4
NN		 2407# Determine whether gdb needs tk/tcl or not.
2408# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2409# and in that case we want gdb to be built without tk. Ugh!
2410# In fact I believe gdb is the *only* package directly dependent on tk,
2411# so we should be able to put the 'maybe's in unconditionally and
2412# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2413# 100% sure that that's safe though.
c180f501 2414
675c6968 2415gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2416case "$enable_gdbtk" in
2417 no)
2418 GDB_TK="" ;;
c180f501
AC		 2419 yes)
2420 GDB_TK="${gdb_tk}" ;;
930314a4 2421 *)
c180f501
AC		 2422 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2423 # distro. Eventually someone will fix this and move Insight, nee
2424 # gdbtk to a separate directory.
2425 if test -d ${srcdir}/gdb/gdbtk ; then
2426 GDB_TK="${gdb_tk}"
2427 else
2428 GDB_TK=""
2429 fi
2430 ;;
930314a4 2431esac
907be67c
DJ		 2432CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2433INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2434
6bd3dfaa 2435# Strip out unwanted targets.
dd12c3a8
NN		 2436
2437# While at that, we remove Makefiles if we were started for recursive
2438# configuration, so that the top-level Makefile reconfigures them,
2439# like we used to do when configure itself was recursive.
dd12c3a8 2440
06a51eac
RW		 2441# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2442# but now we're fixing up the Makefile ourselves with the additional
2443# commands passed to AC_CONFIG_FILES. Use separate variables
2444# extrasub-{build,host,target} not because there is any reason to split
2445# the substitutions up that way, but only to remain below the limit of
2446# 99 commands in a script, for HP-UX sed.
2447# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2448
16b1ad29
RW		 2449case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2450 yes:yes:*\ gold\ *:*,c++,*) ;;
2451 yes:yes:*\ gold\ *:*)
2452 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2453 ;;
2454esac
2455
9cb3fa6f 2456# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2457case $enable_bootstrap in
498d4a71 2458 yes)
96655cc4
AO		 2459 bootstrap_suffix=bootstrap
2460 BUILD_CONFIG=bootstrap-debug
2461 ;;
498d4a71 2462 no)
96655cc4
AO		 2463 bootstrap_suffix=no-bootstrap
2464 BUILD_CONFIG=
2465 ;;
498d4a71 2466esac
498d4a71 2467
96655cc4
AO		 2468AC_MSG_CHECKING(for default BUILD_CONFIG)
2469
2470AC_ARG_WITH([build-config],
7837304f
AS		 2471 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2472 [use config/NAME.mk build configuration])],
96655cc4
AO		 2473 [case $with_build_config in
2474 yes) with_build_config= ;;
2475 no) with_build_config= BUILD_CONFIG= ;;
2476 esac])
2477
2478if test "x${with_build_config}" != x; then
2479 BUILD_CONFIG=$with_build_config
2480else
2481 case $BUILD_CONFIG in
2482 bootstrap-debug)
2483 if echo "int f (void) { return 0; }" > conftest.c &&
2484 ${CC} -c conftest.c &&
2485 mv conftest.o conftest.o.g0 &&
2486 ${CC} -c -g conftest.c &&
2487 mv conftest.o conftest.o.g &&
a009f2e7 2488 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO		 2489 :
2490 else
2491 BUILD_CONFIG=
2492 fi
2493 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2494 ;;
2495 esac
2496fi
2497AC_MSG_RESULT($BUILD_CONFIG)
2498AC_SUBST(BUILD_CONFIG)
2499
06a51eac 2500extrasub_build=
6a9cf61e 2501for module in ${build_configdirs} ; do
dd12c3a8
NN		 2502 if test -z "${no_recursion}" \
2503 && test -f ${build_subdir}/${module}/Makefile; then
2504 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2505 rm -f ${build_subdir}/${module}/Makefile
2506 fi
06a51eac 2507 extrasub_build="$extrasub_build
6bd3dfaa 2508/^@if build-$module\$/d
498d4a71
CF		 2509/^@endif build-$module\$/d
2510/^@if build-$module-$bootstrap_suffix\$/d
2511/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2512done
06a51eac 2513extrasub_host=
dd12c3a8 2514for module in ${configdirs} ; do
80911fe1 2515 if test -z "${no_recursion}"; then
8cf39b1b 2516 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2517 if test -f ${file}; then
2518 echo 1>&2 "*** removing ${file} to force reconfigure"
2519 rm -f ${file}
2520 fi
2521 done
dd12c3a8 2522 fi
06a51eac 2523 extrasub_host="$extrasub_host
6bd3dfaa 2524/^@if $module\$/d
498d4a71
CF		 2525/^@endif $module\$/d
2526/^@if $module-$bootstrap_suffix\$/d
2527/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2528done
06a51eac 2529extrasub_target=
dd12c3a8
NN		 2530for module in ${target_configdirs} ; do
2531 if test -z "${no_recursion}" \
2532 && test -f ${target_subdir}/${module}/Makefile; then
2533 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2534 rm -f ${target_subdir}/${module}/Makefile
2535 fi
e8a5fa9c
RW		 2536
2537 # We only bootstrap target libraries listed in bootstrap_target_libs.
2538 case $bootstrap_target_libs in
2539 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2540 *) target_bootstrap_suffix=no-bootstrap ;;
2541 esac
2542
06a51eac 2543 extrasub_target="$extrasub_target
6bd3dfaa 2544/^@if target-$module\$/d
498d4a71 2545/^@endif target-$module\$/d
e8a5fa9c
RW		 2546/^@if target-$module-$target_bootstrap_suffix\$/d
2547/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2548done
319cab08 2549
06a51eac
RW		 2550# Do the final fixup along with target modules.
2551extrasub_target="$extrasub_target
6bd3dfaa 2552/^@if /,/^@endif /d"
930314a4 2553
a2cc058a
NN		 2554# Create the serialization dependencies. This uses a temporary file.
2555
e6bfb94a 2556AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2557[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2558 [force sequential configuration of
2559 sub-packages for the host, target or build
2560 machine, or all sub-packages])])
1047cb91
DD		 2561
2562case ${enable_serial_configure} in
2563 yes)
2564 enable_serial_build_configure=yes
2565 enable_serial_host_configure=yes
2566 enable_serial_target_configure=yes
2567 ;;
2568esac
e6bfb94a 2569
a2cc058a
NN		 2570# These force 'configure's to be done one at a time, to avoid problems
2571# with contention over a shared config.cache.
2572rm -f serdep.tmp
e6bfb94a 2573echo '# serdep.tmp' > serdep.tmp
a2cc058a 2574olditem=
1047cb91 2575test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2576for item in ${build_configdirs} ; do
2577 case ${olditem} in
2578 "") ;;
e6bfb94a 2579 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2580 esac
2581 olditem=${item}
2582done
2583olditem=
1047cb91 2584test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2585for item in ${configdirs} ; do
2586 case ${olditem} in
2587 "") ;;
e6bfb94a 2588 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2589 esac
2590 olditem=${item}
2591done
2592olditem=
1047cb91 2593test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2594for item in ${target_configdirs} ; do
2595 case ${olditem} in
2596 "") ;;
e6bfb94a 2597 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2598 esac
2599 olditem=${item}
2600done
a0da8069
NN		 2601serialization_dependencies=serdep.tmp
2602AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2603
e6bfb94a 2604# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2605# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2606# might not want to pass down to subconfigures. The exception being
2607# --cache-file=/dev/null, which is used to turn off the use of cache
2608# files altogether, and which should be passed on to subconfigures.
2609# Also strip program-prefix, program-suffix, and program-transform-name,
2610# so that we can pass down a consistent program-transform-name.
c6b750e1 2611baseargs=
65b4571a 2612tbaseargs=
c6b750e1
DJ		 2613keep_next=no
2614skip_next=no
2615eval "set -- $ac_configure_args"
b0aaa663
DJ		 2616for ac_arg
2617do
c6b750e1
DJ		 2618 if test X"$skip_next" = X"yes"; then
2619 skip_next=no
2620 continue
2621 fi
2622 if test X"$keep_next" = X"yes"; then
2623 case $ac_arg in
2624 *\'*)
2625 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2626 esac
2627 baseargs="$baseargs '$ac_arg'"
65b4571a 2628 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2629 keep_next=no
2630 continue
2631 fi
2632
2633 # Handle separated arguments. Based on the logic generated by
2634 # autoconf 2.59.
2635 case $ac_arg in
2636 *=* | --config-cache | -C | -disable-* | --disable-* \
2637 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2638 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2639 | -with-* | --with-* | -without-* | --without-* | --x)
2640 separate_arg=no
2641 ;;
2642 -*)
2643 separate_arg=yes
2644 ;;
2645 *)
2646 separate_arg=no
2647 ;;
2648 esac
2649
65b4571a
AO		 2650 skip_targ=no
2651 case $ac_arg in
2652changequote(,)
2653 --with-* | --without-*)
2654 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2655
2656 case $libopt in
2657 *[-_]include)
2658 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2659 ;;
2660 *[-_]lib)
2661 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2662 ;;
2663 *)
2664 lib=$libopt
2665 ;;
2666 esac
2667changequote([,])
2668
2669 case $lib in
7ec59b9e 2670 mpc | mpfr | gmp | cloog)
65b4571a
AO		 2671 # If we're processing --with-$lib, --with-$lib-include or
2672 # --with-$lib-lib, for one of the libs above, and target is
2673 # different from host, don't pass the current argument to any
2674 # target library's configure.
2675 if test x$is_cross_compiler = xyes; then
2676 skip_targ=yes
2677 fi
2678 ;;
2679 esac
2680 ;;
2681 esac
2682
c6b750e1 2683 case "$ac_arg" in
30167e0a
NC		 2684 --cache-file=/dev/null | \
2685 -cache-file=/dev/null )
2686 # Handled here to avoid the test to skip args below.
2687 baseargs="$baseargs '$ac_arg'"
65b4571a 2688 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2689 # Assert: $separate_arg should always be no.
2690 keep_next=$separate_arg
2691 ;;
c6b750e1
DJ		 2692 --no*)
2693 continue
2694 ;;
2695 --c* | \
2696 --sr* | \
2697 --ho* | \
2698 --bu* | \
2699 --t* | \
2700 --program-* | \
2701 -cache_file* | \
2702 -srcdir* | \
2703 -host* | \
2704 -build* | \
2705 -target* | \
2706 -program-prefix* | \
2707 -program-suffix* | \
2708 -program-transform-name* )
2709 skip_next=$separate_arg
2710 continue
2711 ;;
2712 -*)
2713 # An option. Add it.
2714 case $ac_arg in
2715 *\'*)
2716 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2717 esac
2718 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2719 if test X"$skip_targ" = Xno; then
2720 tbaseargs="$tbaseargs '$ac_arg'"
2721 fi
c6b750e1
DJ		 2722 keep_next=$separate_arg
2723 ;;
2724 *)
2725 # Either a variable assignment, or a nonopt (triplet). Don't
2726 # pass it down; let the Makefile handle this.
2727 continue
2728 ;;
2729 esac
2730done
2731# Remove the initial space we just introduced and, as these will be
2732# expanded by make, quote '$'.
2733baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2734
f27d4f92
DJ		 2735# Add in --program-transform-name, after --program-prefix and
2736# --program-suffix have been applied to it. Autoconf has already
2737# doubled dollar signs and backslashes in program_transform_name; we want
2738# the backslashes un-doubled, and then the entire thing wrapped in single
7ec59b9e 2739# quotes, because this will be expanded first by make and then by the shell.
f27d4f92
DJ		 2740# Also, because we want to override the logic in subdir configure scripts to
2741# choose program_transform_name, replace any s,x,x, with s,y,y,.
2742sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2743${program_transform_name}
2744EOF_SED
2745gcc_transform_name=`cat conftestsed.out`
2746rm -f conftestsed.out
2747baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2748tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2749if test "$silent" = yes; then
2750 baseargs="$baseargs --silent"
65b4571a 2751 tbaseargs="$tbaseargs --silent"
2444379b 2752fi
34a0f3cf 2753baseargs="$baseargs --disable-option-checking"
65b4571a 2754tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2755
4074d5f2
RW		 2756# Record and document user additions to sub configure arguments.
2757AC_ARG_VAR([build_configargs],
2758 [additional configure arguments for build directories])
2759AC_ARG_VAR([host_configargs],
2760 [additional configure arguments for host directories])
2761AC_ARG_VAR([target_configargs],
2762 [additional configure arguments for target directories])
2763
49b7683b
DD		 2764# For the build-side libraries, we just need to pretend we're native,
2765# and not use the same cache file. Multilibs are neither needed nor
2766# desired.
4074d5f2 2767build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2768
ae831be5
NN		 2769# For host modules, accept cache file option, or specification as blank.
2770case "${cache_file}" in
2771"") # empty
2772 cache_file_option="" ;;
a0da8069 2773/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2774 cache_file_option="--cache-file=${cache_file}" ;;
2775*) # relative path
2776 cache_file_option="--cache-file=../${cache_file}" ;;
2777esac
2778
82252c06
NN		 2779# Host dirs don't like to share a cache file either, horribly enough.
2780# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2781host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2782
65b4571a 2783target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2784
252b5132
RH		 2785# Passing a --with-cross-host argument lets the target libraries know
2786# whether they are being built with a cross-compiler or being built
2787# native. However, it would be better to use other mechanisms to make the
2788# sorts of decisions they want to make on this basis. Please consider
2789# this option to be deprecated. FIXME.
a0c4f3a0 2790if test x${is_cross_compiler} = xyes ; then
c6b750e1 2791 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2792fi
2793
938d2b74
RW		 2794# Default to --enable-multilib.
2795if test x${enable_multilib} = x ; then
a0da8069 2796 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2797fi
252b5132
RH		 2798
2799# Pass --with-newlib if appropriate. Note that target_configdirs has
2800# changed from the earlier setting of with_newlib.
a0c4f3a0 2801if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2802 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2803fi
2804
95036d20
NN		 2805# Different target subdirs use different values of certain variables
2806# (notably CXX). Worse, multilibs use *lots* of different values.
2807# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2808# it doesn't automatically accept command-line overrides of them.
2809# This means it's not safe for target subdirs to share a cache file,
2810# which is disgusting, but there you have it. Hopefully this can be
2811# fixed in future. It's still worthwhile to use a cache file for each
2812# directory. I think.
2813
ae380b45
MS		 2814# Pass the appropriate --build, --host, --target and --cache-file arguments.
2815# We need to pass --target, as newer autoconf's requires consistency
2816# for target_alias and gcc doesn't manage it consistently.
4b900473 2817target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2818
9e449d3e 2819FLAGS_FOR_TARGET=
7c1f909c 2820case " $target_configdirs " in
75205f78 2821 *" newlib "*)
a0da8069 2822 case " $target_configargs " in
75205f78 2823 *" --with-newlib "*)
9e449d3e 2824 case "$target" in
1f53ca9a
AO		 2825 *-cygwin*)
2826 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
2827 ;;
9e449d3e
AO		 2828 esac
2829
7450026c 2830 # If we're not building GCC, don't discard standard headers.
4d5fd396 2831 if test -d ${srcdir}/gcc; then
63266560 2832 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2833
2834 if test "${build}" != "${host}"; then
2835 # On Canadian crosses, CC_FOR_TARGET will have already been set
2836 # by `configure', so we won't have an opportunity to add -Bgcc/
2837 # to it. This is right: we don't want to search that directory
2838 # for binaries, but we want the header files in there, so add
2839 # them explicitly.
e552509b 2840 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2841
2842 # Someone might think of using the pre-installed headers on
2843 # Canadian crosses, in case the installed compiler is not fully
2844 # compatible with the compiler being built. In this case, it
2845 # would be better to flag an error than risking having
2846 # incompatible object files being constructed. We can't
2847 # guarantee that an error will be flagged, but let's hope the
2848 # compiler will do it, when presented with incompatible header
2849 # files.
2850 fi
63266560
DD		 2851 fi
2852
0a0d0041 2853 case "${target}-${is_cross_compiler}" in
ec11bdc6 2854 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2855 # Here host == target, so we don't need to build gcc,
2856 # so we don't want to discard standard headers.
2857 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2858 ;;
2859 *)
2860 # If we're building newlib, use its generic headers last, but search
2861 # for any libc-related directories first (so make it the last -B
2862 # switch).
2863 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 2864
2865 # If we're building libgloss, find the startup file, simulator library
2866 # and linker script.
2867 case " $target_configdirs " in
2868 *" libgloss "*)
2869 # Look for startup file, simulator library and maybe linker script.
2870 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2871 # Look for libnosys.a in case the target needs it.
2872 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2873 # Most targets have the linker script in the source directory.
2874 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2875 ;;
2876 esac
0a0d0041
TF		 2877 ;;
2878 esac
9e449d3e 2879 ;;
75205f78
DD		 2880 esac
2881 ;;
9e449d3e 2882esac
1f53ca9a 2883
45055374 2884case "$target" in
1f53ca9a
AO		 2885 x86_64-*mingw* | *-w64-mingw*)
2886 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2887 # however, use a symlink named 'mingw' in ${prefix} .
2888 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2889 ;;
2890 *-mingw*)
2891 # MinGW can't be handled as Cygwin above since it does not use newlib.
2892 FLAGS_FOR_TARGET=$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'
2893 ;;
45055374 2894esac
63266560 2895
5fbad20a
DD		 2896# Allow the user to override the flags for
2897# our build compiler if desired.
c66487f8
NC		 2898if test x"${build}" = x"${host}" ; then
2899 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2900 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2901 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2902fi
5fbad20a 2903
63266560
DD		 2904# On Canadian crosses, we'll be searching the right directories for
2905# the previously-installed cross compiler, so don't bother to add
2906# flags for directories within the install tree of the compiler
2907# being built; programs in there won't even run.
4d5fd396 2908if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2909 # Search for pre-installed headers if nothing else fits.
bba45b8b 2910 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2911fi
63266560 2912
7c1f909c 2913if test "x${use_gnu_ld}" = x &&
f48556b1 2914 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 2915 # Arrange for us to find uninstalled linker scripts.
b00612cc 2916 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 2917fi
2918
a481dbb7
DD		 2919# Search for other target-specific linker scripts and such.
2920case "${target}" in
4e206d7e
DB		 2921 mep*)
2922 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2923 ;;
2924esac
2925
a0da8069 2926# Makefile fragments.
3e707e94
PB		 2927for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2928do
2929 eval fragval=\$$frag
2930 if test $fragval != /dev/null; then
2931 eval $frag=${srcdir}/$fragval
2932 fi
2933done
a0da8069
NN		 2934AC_SUBST_FILE(host_makefile_frag)
2935AC_SUBST_FILE(target_makefile_frag)
2936AC_SUBST_FILE(alphaieee_frag)
2937AC_SUBST_FILE(ospace_frag)
2938
2939# Miscellanea: directories, flags, etc.
a0da8069 2940AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 2941AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 2942AC_SUBST(tooldir)
2943AC_SUBST(build_tooldir)
907be67c 2944AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 2945AC_SUBST(GDB_TK)
907be67c 2946AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 2947
2948# Build module lists & subconfigure args.
a0da8069 2949AC_SUBST(build_configargs)
6a9cf61e 2950AC_SUBST(build_configdirs)
a0da8069
NN		 2951
2952# Host module lists & subconfigure args.
2953AC_SUBST(host_configargs)
2954AC_SUBST(configdirs)
911e63d0 2955AC_SUBST(target_configdirs)
a0da8069
NN		 2956
2957# Target module lists & subconfigure args.
a0da8069 2958AC_SUBST(target_configargs)
a6df5a19 2959
a0da8069
NN		 2960
2961# Build tools.
b5714970
PB		 2962AC_SUBST(AR_FOR_BUILD)
2963AC_SUBST(AS_FOR_BUILD)
a0da8069 2964AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 2965AC_SUBST(CFLAGS_FOR_BUILD)
2966AC_SUBST(CXXFLAGS_FOR_BUILD)
2967AC_SUBST(CXX_FOR_BUILD)
2968AC_SUBST(DLLTOOL_FOR_BUILD)
2969AC_SUBST(GCJ_FOR_BUILD)
2970AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 2971AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 2972AC_SUBST(LDFLAGS_FOR_BUILD)
2973AC_SUBST(LD_FOR_BUILD)
2974AC_SUBST(NM_FOR_BUILD)
2975AC_SUBST(RANLIB_FOR_BUILD)
2976AC_SUBST(WINDMC_FOR_BUILD)
2977AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 2978
be01d343
PB		 2979# Generate default definitions for YACC, M4, LEX and other programs that run
2980# on the build machine. These are used if the Makefile can't locate these
2981# programs in objdir.
2982MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2983
2984AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2985case " $build_configdirs " in
2986 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
be01d343
PB		 2987esac
2988
2989AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2990case " $build_configdirs " in
2991 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2992esac
2993
2994AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2995case " $build_configdirs " in
2996 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2997esac
2998
2999AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3000case " $build_configdirs " in
3001 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3002 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3003esac
3004
3005AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3006case " $build_configdirs " in
3007 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3008esac
3009
3010AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3011case " $build_configdirs " in
3012 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3013 *)
3014changequote(,)
10ad8ef3 3015 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3016 # higher, else we use the "missing" dummy.
3017 if ${MAKEINFO} --version \
10ad8ef3 3018 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3019 :
3020 else
3021 MAKEINFO="$MISSING makeinfo"
3022 fi
3023 ;;
3024changequote([,])
3025esac
3026
3027# FIXME: expect and dejagnu may become build tools?
3028
3029AC_CHECK_PROGS(EXPECT, expect, expect)
3030case " $configdirs " in
3031 *" expect "*)
3032 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3033 ;;
3034esac
3035
3036AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3037case " $configdirs " in
3038 *" dejagnu "*)
6b89cc21 3039 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3040 ;;
3041esac
3042
3043
a0da8069 3044# Host tools.
05cbd757
PB		 3045NCN_STRICT_CHECK_TOOLS(AR, ar)
3046NCN_STRICT_CHECK_TOOLS(AS, as)
3047NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3048NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3049NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3050NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3051NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3052NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3053NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3054NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3055NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3056NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
b121d7d4 3057NCN_STRICT_CHECK_TOOLS(READELF, readelf)
a0da8069
NN		 3058AC_SUBST(CC)
3059AC_SUBST(CXX)
3060AC_SUBST(CFLAGS)
3061AC_SUBST(CXXFLAGS)
a0da8069 3062
be01d343 3063# Target tools.
7ec59b9e 3064AC_ARG_WITH([build-time-tools],
7837304f
AS		 3065 [AS_HELP_STRING([--with-build-time-tools=PATH],
3066 [use given path to find target tools during the build])],
2429c060
PB		 3067 [case x"$withval" in
3068 x/*) ;;
3069 *)
3070 with_build_time_tools=
3071 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3072 ;;
3073 esac],
3074 [with_build_time_tools=])
3075
05cbd757
PB		 3076NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3077NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3078NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3079NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3080NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3081NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3082
3083ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3084ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3085ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3086ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3087ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3088ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3089ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3090ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
b121d7d4 3091ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
2429c060
PB		 3092ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3093ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3094ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3095
be01d343
PB		 3096RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3097
3098GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3099GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3100GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3101dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3102GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
950386c6 3103 [gcc/g++ -B$$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		 3104 c++)
3105GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3106 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3107 c++)
3108GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3109GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3110GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3111 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3112GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3113 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3114GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3115 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3116GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3117GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3118GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3119GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3120GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
b121d7d4 3121GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
9b980aa1 3122GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3123GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3124GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3125
be01d343 3126AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3127AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3128
a0da8069
NN		 3129# Certain tools may need extra flags.
3130AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3131RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3132NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3133
be01d343
PB		 3134# When building target libraries, except in a Canadian cross, we use
3135# the same toolchain as the compiler we just built.
3136COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3137COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3138COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3139if test $host = $build; then
3140 case " $configdirs " in
3141 *" gcc "*)
3142 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3143 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3144 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3145 ;;
3146 esac
3147fi
3148
3149AC_SUBST(COMPILER_AS_FOR_TARGET)
3150AC_SUBST(COMPILER_LD_FOR_TARGET)
3151AC_SUBST(COMPILER_NM_FOR_TARGET)
3152
6b784d9f
AO		 3153AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3154AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3155[AS_HELP_STRING([--enable-maintainer-mode],
3156 [enable make rules and dependencies not useful
3157 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3158 USE_MAINTAINER_MODE=$enableval,
3159 USE_MAINTAINER_MODE=no)
3160AC_MSG_RESULT($USE_MAINTAINER_MODE)
3161AC_SUBST(MAINTAINER_MODE_TRUE)
3162AC_SUBST(MAINTAINER_MODE_FALSE)
3163if test "$USE_MAINTAINER_MODE" = yes; then
3164 MAINTAINER_MODE_TRUE=
3165 MAINTAINER_MODE_FALSE='#'
3166else
3167 MAINTAINER_MODE_TRUE='#'
3168 MAINTAINER_MODE_FALSE=
7ec59b9e 3169fi
6b784d9f
AO		 3170MAINT=$MAINTAINER_MODE_TRUE
3171AC_SUBST(MAINT)dnl
3172
1d39f329
NN		 3173# ---------------------
3174# GCC bootstrap support
3175# ---------------------
3176
3177# Stage specific cflags for build.
3178stage1_cflags="-g"
3179case $build in
3180 vax-*-*)
3181 case ${GCC} in
3182 yes) stage1_cflags="-g -Wa,-J" ;;
3183 *) stage1_cflags="-g -J" ;;
3184 esac ;;
1d39f329 3185esac
1d89b610 3186
1d39f329
NN		 3187AC_SUBST(stage1_cflags)
3188
8a0d8a5c
PB		 3189# Enable --enable-checking in stage1 of the compiler.
3190AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3191[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3192 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3193[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3194[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3195 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3196else
5566c1fa 3197 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3198fi])
3199AC_SUBST(stage1_checking)
3200
1d39f329 3201# Enable -Werror in bootstrap stage2 and later.
1d39f329 3202AC_ARG_ENABLE(werror,
7837304f
AS		 3203[AS_HELP_STRING([--enable-werror],
3204 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3205[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3206 enable_werror=yes
3207else
3208 enable_werror=no
3209fi])
1a6f2dc7
NN		 3210case ${enable_werror} in
3211 yes) stage2_werror_flag="--enable-werror-always" ;;
3212 *) stage2_werror_flag="" ;;
1d39f329 3213esac
1a6f2dc7 3214AC_SUBST(stage2_werror_flag)
1d39f329 3215
e8a5fa9c
RW		 3216# Specify what files to not compare during bootstrap.
3217
3218compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3219case "$target" in
3220 hppa*64*-*-hpux*) ;;
3221 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
1488e230 3222 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
e8a5fa9c
RW		 3223esac
3224AC_SUBST(compare_exclusions)
3225
06a51eac
RW		 3226AC_CONFIG_FILES([Makefile],
3227 [sed "$extrasub_build" Makefile |
3228 sed "$extrasub_host" |
3229 sed "$extrasub_target" > mf$$
3230 mv -f mf$$ Makefile],
3231 [extrasub_build="$extrasub_build"
3232 extrasub_host="$extrasub_host"
3233 extrasub_target="$extrasub_target"])
3234AC_OUTPUT
GDB Binutils - Deliverables
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