Commit Graph

119 Commits

Author SHA1 Message Date
Richard Guenther
7413962d04 re PR bootstrap/41529 (LTO configuration should detect if the target is ELF)
2010-01-02  Richard Guenther  <rguenther@suse.de>

	PR lto/41529
	* configure.ac: Include config/elf.m4.  Disable LTO if not
	builting for an elf target.
	* configure: Regenerate.

	config/
	* elf.m4: New file.

From-SVN: r155565
2010-01-02 14:13:37 +00:00
Kaveh R. Ghazi
3a5729ea2a re PR middle-end/30447 (Evaluate complex math functions at compile-time)
PR middle-end/30447
	PR middle-end/30789
	PR other/40302

	* configure.ac: Require MPC.
	* configure: Regenerate.
gcc:
	* doc/install.texi: Document MPC is required.

From-SVN: r155023
2009-12-06 16:11:06 +00:00
Kaveh R. Ghazi
360d4522c4 configure.ac: Update minimum MPC version to 0.8.
* configure.ac: Update minimum MPC version to 0.8.
	* configure: Regenerate.

gcc:
	* doc/install.texi: Update minimum MPC version to 0.8.

From-SVN: r154750
2009-11-30 06:12:16 +00:00
Sebastian Pop
f264ed5676 configure.ac: Check for version 0.15.5 or later revision of CLooG.
2009-11-21  Sebastian Pop  <sebpop@gmail.com>

	* configure.ac: Check for version 0.15.5 or later revision of CLooG.
	* configure: Regenerated.

From-SVN: r154635
2009-11-25 05:29:37 +00:00
Ian Lance Taylor
ed2eaa9f6e configure.ac: Change default of poststage1_ldflags to be empty if poststage1_libs is set.
./:	* configure.ac: Change default of poststage1_ldflags to be empty if
	poststage1_libs is set.  When poststage1_libs is empty, and
	ENABLE_BUILD_WITH_CXX is set, add -static-libgcc.
	* configure: Rebuild.
gcc/:
	* Makefile.in (HOST_LIBS): Move higher in file.
	(LINKER, LINKER_FLAGS): If ENABLE_BUILD_WITH_CXX, but $(HOST_LIBS)
	is not empty, set to $(CC) and $(CFLAGS).

From-SVN: r154422
2009-11-22 04:25:56 +00:00
Alexandre Oliva
f61428ed3c configure.ac: Add libelf to host_libs.
* configure.ac: Add libelf to host_libs.  Enable in-tree configury
of ppl and cloog.  Fix in-tree configury of libelf, skip tests.
Fix portability of test of C++ as bootstrap language.  Add
ppl/src/ppl-config.o to the bootstrap compare exclusion list.
* configure: Rebuild.
* Makefile.def: Drop host and target settings from gmp, mpfr, ppl,
and cloog.  Fix in-tree ppl configuration.  Introduce libelf
in-tree building.
* Makefile.tpl (POSTSTAGE1_CXX_EXPORT): New.
(POSTSTAGE1_HOST_EXPORTS): Use it.
(STAGE[+id+]_CXXFLAGS): New.
(BASE_FLAGS_TO_PASS): Pass it down.
(configure-stage[+id+]-[+prefix+][+module+]): Use it.  Add
extra_exports.
(all-stage[+id+]-[+prefix+][+module+]): Likewise.
(configure-[+prefix+][+module+], all-[+prefix+][+module+]): Add
extra_exports.
* Makefile.in: Rebuild.

From-SVN: r154211
2009-11-16 18:31:10 +00:00
Ozkan Sezer
5d571eaa95 configure.ac (FLAGS_FOR_TARGET): Add -L and -isystem paths for *-w64-mingw* and x86_64-*mingw*.
2009-11-06  Ozkan Sezer  <sezeroz@gmail.com>

        * configure.ac (FLAGS_FOR_TARGET):  Add -L and -isystem
        paths for *-w64-mingw* and x86_64-*mingw*.
        * configure: Regenerated.

From-SVN: r153964
2009-11-06 11:16:30 +01:00
Kai Tietz
ef4c43006d configure.ac: Disable target-winsup & co for x86_64-*-mingw* and *-w64-mingw* targets.
2009-10-30  Kai Tietz  <kai.tietz@onevision.com>

        * configure.ac: Disable target-winsup & co for
        x86_64-*-mingw* and *-w64-mingw* targets.
        * configure: Regenerated.

From-SVN: r153761
2009-10-30 17:47:40 +01:00
Rainer Orth
17e72e5d22 configure.ac (CLooG test): Use = with test.
* configure.ac (CLooG test): Use = with test.
	* configure: Regenerate.

From-SVN: r153490
2009-10-23 09:24:25 +00:00
Richard Guenther
ed3a56f30b configure.ac: Do not set LIBS for ppl/cloog checks.
2009-10-22  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Do not set LIBS for ppl/cloog checks.  Disable
	cloog if the ppl version check failed.  Move flags saving
	before setting in libelf check.
	* configure: Regenerate.

From-SVN: r153447
2009-10-22 08:56:00 +00:00
Richard Guenther
ad0abd3c90 configure.ac: Adjust the ppl and cloog configure to work as documented.
2009-10-21  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Adjust the ppl and cloog configure to work as
	documented.  Disable cloog if ppl was disabled.  Omit the version
	checks if they were disabled.
	* configure: Re-generate.

From-SVN: r153055
2009-10-21 11:40:17 +00:00
Ralf Wildenhues
e4c5bd489f Fix toplevel 'config.status --recheck' for --enable-lto.
/:
	* configure.ac: Add 'lto' to enable_languages, not
	new_enable_languages, and only if not already present.
	* configure: Regenerate.

From-SVN: r152697
2009-10-13 03:31:50 +00:00
Diego Novillo
d7f09764d7 Merge lto branch into trunk.
From-SVN: r152434
2009-10-03 17:10:11 -04:00
Kaveh R. Ghazi
3e661154be configure.ac: Update minimum MPC version to 0.7.
* configure.ac: Update minimum MPC version to 0.7.
	* configure: Regenerate.

gcc:
	* doc/install.texi: Update minimum MPC version to 0.7.

From-SVN: r152207
2009-09-26 20:22:43 +00:00
Nick Clifton
f1a036e46f configure.ac: Pass any --cache-file=/dev/null option on to subconfigures.
* configure.ac: Pass any --cache-file=/dev/null option on to
        subconfigures.
        * configure: Regenerate.

From-SVN: r152183
2009-09-25 19:23:40 +00:00
Ralf Wildenhues
0db770bd0a Error out if building separately but srcdir has build remnants.
/:
	PR bootstrap/32272
	* configure.ac: Error out if $srcdir isn't '.' but contains
	host-${host_noncanonical}.
	* configure: Regenerate.

From-SVN: r152037
2009-09-22 18:00:15 +00:00
Ralf Wildenhues
79cd2b2322 Require c++ in stage1_languages with --enable-gold in combined bootstrap.
/:
	* configure.ac: If bootstrapping a combined tree with
	--enable-gold, require c++ in stage1_languages.
	* configure: Regenerate.

From-SVN: r151943
2009-09-21 20:32:37 +00:00
Ralf Wildenhues
ab9dcd0c1e toplevel configure: bootstrap target_libs of stage1_languages.
/:
	* configure.ac: Also add target_libs of stage1_languages to
	bootstrap_target_libs.
	* configure: Regenerate.

From-SVN: r151942
2009-09-21 20:31:18 +00:00
Ralf Wildenhues
ca6d0d6209 Diagnose --enable-build-with-cxx --enable-bootstrap --enable-languages w/o c++
/*
	* configure.ac: Diagnose --enable-build-with-cxx bootstrap
	with --enable-languages not containing c++.
	* configure: Regenerate.

From-SVN: r151939
2009-09-21 19:24:40 +00:00
Jie Zhang
1c3c9f1247 configure.ac: Disable java and boehm-gc for bfin-*-*.
* configure.ac: Disable java and boehm-gc for bfin-*-*.
	* configure: Regenerate.

From-SVN: r151724
2009-09-15 15:10:09 +00:00
Ralf Wildenhues
3e54529c11 Fix toplevel config.status for HP-UX sed.
/:
	* configure.ac: Do not use $extrasub for replacing @if/@endif
	parts in Makefile; instead, use additional arguments to
	AC_CONFIG_COMMANDS to do the replacement manually, with several
	sed invocations, to avoid HP-UX sed command limits.
	* configure: Regenerate.

From-SVN: r151525
2009-09-08 17:55:03 +00:00
Alexandre Oliva
5646b7b97e configure.ac (with-build-config): Document.
* configure.ac (with-build-config): Document.  Handle without.
Handle missing argument.
* configure: Rebuilt.

From-SVN: r151435
2009-09-04 18:58:34 +00:00
Alexandre Oliva
e12c409449 configure.ac (--with-build-config): New.
ChangeLog:
* configure.ac (--with-build-config): New.  Set BUILD_CONFIG.
Default to bootstrap-debug only if compare-debug works.
* configure: Rebuilt.
* Makefile.tpl: Make BUILD_CONFIG configure-configurable.
* Makefile.in: Rebuilt.
contrib/ChangeLog:
* bootstrap-debug-big.mk (STAGE2_CFLAGS): Drop -gtoggle.
* bootstrap-debug-lean.mk: Update comments.
(STAGE2_CFLAGS): Likewise.
(do-compare): Don't override.
gcc/ChangeLog:
* doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
(bootstrap-debug): Explain conditions in which it becomes default.
(bootstrap-debug-big): Rather than duplicate bootstrap-debug,
make it add to it.

From-SVN: r151367
2009-09-03 05:55:57 +00:00
Paolo Bonzini
872642768c configure.ac: Detect awk and sed.
2009-08-30  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Detect awk and sed.
	* Makefile.def (flags_to_pass): Add AWK and SED.
	* Makefile.tpl (AWK, SED): New.
	(BASE_FLAGS_TO_PASS): Add AWK and SED.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

From-SVN: r151228
2009-08-30 14:33:13 +00:00
Ralf Wildenhues
df58e64872 Update AC_PREREQ entries to 2.64
/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

intl/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libdecnumber/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libiberty/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libjava/classpath/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libjava/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libjava/libltdl/:
	* configure.ac (AC_PREREQ): Bump to 2.64.  Remove FIXME.

libssp/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libobjc/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libstdc++-v3/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libada/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libgcc/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libgfortran/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

boehm-gc/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

gnattools/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

gcc/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

fixincludes/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libmudflap/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

zlib/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libffi/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libcpp/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

libgomp/:
	* configure.ac (AC_PREREQ): Bump to 2.64.

From-SVN: r151059
2009-08-24 19:08:51 +00:00
Ralf Wildenhues
70fa0efaf4 Cleanups after the update to Autoconf 2.64, Automake 1.11.
/:
	* configure.ac: Remove --with-datarootdir, --with-docdir,
	--with-pdfdir, --with-htmldir switches.
	* configure: Regenerate.

gcc/:
	* configure.ac: Remove --with-datarootdir, --with-docdir,
	--with-htmldir switches.  No need to call AC_SUBST for
	datarootdir, docdir, htmldir any more.
	* configure: Regenerate.
	* doc/install.texi (Configuration): Document --datarootdir,
	--docdir, --htmldir, --pdfdir; update documentation for
	--infodir, --mandir.
	(Prerequisites): Bump Autoconf version to 2.64, Automake to
	1.11, M4 to 1.4.6.

libgfortran/:
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

libjava/classpath/:
	* doc/cp-hacking.texinfo (Needed Tools and Libraries): Bump
	Autoconf version to 2.64, Automake to 1.11, M4 to 1.4.6.

libjava/:
	* HACKING: Use aclocal-1.11 and autoconf-2.64 in example.
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

libstdc++-v3/:
	* doc/xml/manual/build_hacking.xml: Use tools from Autoconf
	2.64 and Automake 1.11 in examples; update link to Autoconf
	manual page about quadrigraphs.
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

libssp/:
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

boehm-gc/:
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

libmudflap/:
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

zlib/:
	* Makefile.am (install-html, install-pdf, html): Remove.
	* Makefile.in: Regenerate.

libffi/:
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

libgomp/:
	* Makefile.am (install-html, install-pdf): Remove.
	* Makefile.in: Regenerate.

From-SVN: r151015
2009-08-22 13:41:50 +00:00
Ralf Wildenhues
0115d4a36f Disable option checking in the toplevel, avoid 2.64 fopen glitch.
/:
	* configure.ac: Call AC_DISABLE_OPTION_CHECKING.
	(baseargs): Add --disable-option-checking.
	* configure: Regenerate.

config/:
	* override.m4 (AC_DISABLE_OPTION_CHECKING): Define to be
	empty if not defined, to avoid error with 2.59.
	(_AC_LANG_IO_PROGRAM): When the Autoconf version is exactly
	2.64, avoid per-language instances to drop fopen from test
	program.

From-SVN: r150945
2009-08-19 22:19:37 +00:00
Ralf Wildenhues
354ebf88ee Sync toplevel from src and merge.
/:
	Sync from src, merge:

	2009-07-02  Tristan Gingold  <gingold@adacore.com>

	* configure.ac: Do not exclude gas for i386-*-darwin.
	Add a case for x86_64-*-darwin.
	* configure: Regenerate.

From-SVN: r150800
2009-08-16 15:09:13 +00:00
Michael Eager
ca9fe9972e configure.ac: Add Microblaze target.
* configure.ac: Add Microblaze target.
        * configure: Regenerate.

From-SVN: r150535
2009-08-06 17:48:24 +00:00
Christian Bruel
ea2002ba74 enable SH libgloss build
From-SVN: r150314
2009-07-31 14:51:10 +02:00
Ian Lance Taylor
e90e6bd737 configure.ac: Add missing comma in AC_ARG_WITH(boot-libs).
* configure.ac: Add missing comma in AC_ARG_WITH(boot-libs).
	* configure: Rebuild.

From-SVN: r149292
2009-07-06 18:06:55 +00:00
Steve Ellcey
f2689b094a re PR bootstrap/40338 (bootstrap comparision fails on 32 bit PA when comparing libgcc objects)
2009-06-26  Steve Ellcey  <sje@cup.hp.com>

	PR bootstrap/40338
	* configure.ac (comparestring): Create new variable.
	* Makefile.tpl (comparestring): Use to skip some comparisions.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

From-SVN: r148978
2009-06-26 17:28:40 +00:00
Doug Evans
8c32c9f0d0 Makefile.def (host_modules): Add cgen.
* Makefile.def (host_modules): Add cgen.
	* Makefile.in: Regenerate.
	* configure.ac (host_tools): Add cgen.
	* configure: Regenerate.

From-SVN: r148976
2009-06-26 17:11:35 +00:00
Ian Lance Taylor
00020c1638 configure.ac: Add --enable-build-with-cxx.
./:	* configure.ac: Add --enable-build-with-cxx.  When set, add c++ to
	boot_languages.  Only bootstrap target libraries listed in
	target_libs for some boot language.  Add --with-stage1-ldflags,
	--with-stage1-libs, --with-boot-ldflags, --with-boot-libs.  Remove
	with_host_libstdcxx from ppllibs.  Only add -fkeep-inline-functions
	if not building with C++.
	* Makefile.def: For target_module libstdc++-v3, set bootstrap=true.
	* Makefile.tpl (STAGE1_LDFLAGS, STAGE1_LIBS): New variables.
	(POSTSTAGE1_LDFLAGS, POSTSTAGE1_LIBS): New variables.
	(HOST_EXPORTS): Add STAGE1_LDFLAGS to LDFLAGS.  Export HOST_LIBS.
	(POSTSTAGE1_HOST_EXPORTS): Set CXX and CXX_FOR_BUILD.  Add
	POSTSTAGE1_LDFLAGS to LDFLAGS.  Export HOST_LIBS.
	(POSTSTAGE1_FLAGS_TO_PASS): Likewise.
	* configure, Makefile.in: Rebuild.
gcc/:
	* configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
	from loose_warn into c_loose_warn and from strict_warn into
	c_strict_warn.  Set and substitute warn_cxxflags.  Check for
	--enable-build-with-cxx.  Set and substitute
	ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
	* Makefile.in (CXXFLAGS): New variable.
	(C_LOOSE_WARN, C_STRICT_WARN): New variables.
	(GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
	the default is the same as $(STRICT_WARN).
	(GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
	(CXX): New variable.
	(COMPILER): New value if ENABLE_BUILD_WITH_CXX.
	(COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
	(ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
	(HOST_LIBS): New variable.
	(GCC_CFLAGS): Add $(C_LOOSE_WARN).
	(ALL_CXXFLAGS): New variable.
	(LIBS, BACKENDLIBS): Add $(HOST_LIBS).
	* doc/install.texi (Configuration): Document
	--enable-build-with-cxx, --with-stage1-ldflags,
	--with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
	* configure: Rebuild.

From-SVN: r148889
2009-06-24 04:03:51 +00:00
Ryan Mansfield
144c917562 configure.ac: Define is_elf for QNX Neutrino targets.
* configure.ac: Define is_elf for QNX Neutrino targets.
* configure: Regenerate.

From-SVN: r148491
2009-06-15 14:09:43 +00:00
Kaveh R. Ghazi
5f4a82c0c5 configure.ac: Detect MPC in default directory.
* configure.ac: Detect MPC in default directory.
	* configure: Regenerate.

From-SVN: r148280
2009-06-08 16:30:30 +00:00
Richard Sandiford
a891a4733d configure.ac (powerpc-*-aix*, [...]): Add target-newlib to noconfdirs.
* configure.ac (powerpc-*-aix*, rs6000-*-aix*): Add target-newlib
	to noconfdirs.
	* configure: Regenerate.

From-SVN: r148093
2009-06-02 19:01:35 +00:00
Doug Kwan
7f1245dffd configure.ac: Support gold for target arm*-*-*.
2009-06-01  Doug Kwan  <dougkwan@google.com>

	* configure.ac: Support gold for target arm*-*-*.
	* configure: Regenerate.

From-SVN: r148064
2009-06-01 19:41:08 +00:00
Kaveh R. Ghazi
acd262252c Makefile.def: Add MPC support and dependencies.
* Makefile.def: Add MPC support and dependencies.
	* configure.ac: Likewise.  Reorganize GMP/MPFR checks.

	* Makefile.in, configure: Regenerate.
	
gcc:
	* configure.ac: Add MPC support.
	
	* config.in, configure: Regenerate.

From-SVN: r147996
2009-05-30 00:43:36 +00:00
Dave Korn
449223affa configure.ac (cygwin noconfigdirs): Remove libgcj.
* configure.ac (cygwin noconfigdirs):  Remove libgcj.
	* configure:  Regenerate.

From-SVN: r147770
2009-05-21 14:42:22 +00:00
Dave Korn
0b70eafda5 configure.ac ($with_ppl): Default to no if not supplied.
* configure.ac ($with_ppl):  Default to no if not supplied.
	($with_cloog):  Likewise.
	configure:  Regenerate.

From-SVN: r147216
2009-05-07 05:23:16 +00:00
Kaveh R. Ghazi
9e3eba1599 re PR bootstrap/39739 (Bootstrapping with in-tree mpfr-2.4.1 and --with-gmp=... errors)
PR bootstrap/39739
	* configure.ac (extra_mpfr_configure_flags): Set and AC_SUBST.
	* Makefile.def (module=mpfr): Use extra_mpfr_configure_flags.

	* configure, Makefile.in: Regenerate.

From-SVN: r146754
2009-04-25 03:24:17 +00:00
Anthony Green
55f2d96706 configure.ac: Add moxie support.
* configure.ac: Add moxie support.
        * configure: Rebuilt.

From-SVN: r146204
2009-04-16 17:11:08 +00:00
Jakub Jelinek
309c24a90d configure.ac: Change copyright header to refer to version 3 of the GNU General Public License...
* configure.ac: Change copyright header to refer to version
	3 of the GNU General Public License and to point readers at the
	COPYING3 file and the FSF's license web page.
	* Makefile.def: Likewise.
	* Makefile.tpl: Likewise.
	* Makefile.in: Regenerate.

From-SVN: r146023
2009-04-14 10:50:26 +02:00
Jack Howarth
b93133bcea configure.ac: Restore match for darwin9 or later.
2009-04-09  Jack Howarth  <howarth@bromo.med.uc.edu>

	* configure.ac: Restore match for darwin9 or later. Use double
	brackets since regeneration eats one pair.
	* configure: Regenerate.

From-SVN: r145860
2009-04-09 23:50:14 +02:00
H.J. Lu
d18ff35aff re PR c++/10039 ([macosx] gcc hangs at a c++-Constructor with switch "-Os")
2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/10039
	* configure.ac: Require texinfo 4.7.
	* configure: Regenerated.

From-SVN: r145842
2009-04-09 08:44:05 -07:00
Kaveh R. Ghazi
a3337ea264 configure.ac: Bump minimum GMP/MPFR versions to 4.2 and 2.3.1.
* configure.ac: Bump minimum GMP/MPFR versions to 4.2 and 2.3.1.
	* configure: Regenerate.
	
gcc:
	* doc/install.texi: Update minimum GMP version.  Remove obsolete
	text in MPFR section.

From-SVN: r145774
2009-04-08 20:25:10 +00:00
Tom Tromey
cfb1f59f5d configure: Rebuild.
* configure: Rebuild.
        * configure.ac (host_libs): Add libiconv.
        * Makefile.in: Rebuild.
        * Makefile.def (host_modules): Add libiconv.
        (configure-gdb, all-gdb): Depend on libiconv.

From-SVN: r144947
2009-03-18 23:32:36 +00:00
Tristan Gingold
75eeae1a13 configure.ac: Treat gdb as supported on x86_64-darwin.
* configure.ac: Treat gdb as supported on x86_64-darwin.
        * configure: Regenerate.

From-SVN: r144887
2009-03-16 17:02:02 +00:00
Joseph Myers
f38095f3ee configure.ac (--with-host-libstdcxx): New option.
* configure.ac (--with-host-libstdcxx): New option.
	* configure: Regenerate.

gcc/doc:
	* doc/install.texi (--with-host-libstdcxx): Document.

From-SVN: r144881
2009-03-16 13:23:13 +00:00