[vta] revamp bootstrap-debug with -fcompare-debug, fix LIBCFLAGS uses

[Alexandre Oliva]

On Oct  7, 2008, Paolo Bonzini <bonzini@gnu.org> wrote:

> Alexandre Oliva wrote:
>> This patch introduces support for BUILD_CONFIG, a Makefile macro that,
>> if set to say "a b", will cause config/a.mk and config/b.mk to be
>> included in the top-level Makefile.  The plan was to use this to add
>> -fcompare-debug to certain variables, and eventually add a configure
>> option to set a default (non-empty) value for BUILD_CONFIG.

> I like it.  Please merge it into trunk when 4.5 stage1 starts.

Here's the patch I'm installing.  It's the same as last time, except for
variations in line numbers and a fix for an error I got in processing
the docs.  It's very large because of the regenerated files, so I'm
compressing it.

for ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	PR target/37137
	* Makefile.def (flags_to_pass): Remove redundant and incomplete
	STAGE1_CFLAGS, STAGE2_CFLAGS, STAGE3_CFLAGS, and STAGE4_CFLAGS.
	Add FLAGS_FOR_TARGET and BUILD_CONFIG.
	(bootstrap_stage): Remove bootstrap-debug custom stages.  Turn
	stage_configureflags, stage_cflags and stage_libcflags into
	explicit Makefile macros.
	* Makefile.tpl (HOST_EXPORTS, EXTRA_HOST_FLAGS): Pass GCJ and
	GFORTRAN.
	(POSTSTAGE1_HOST_EXPORTS): Add XGCC_FLAGS_FOR_TARGET and TFLAGS to
	CC.  Set CC_FOR_BUILD from CC.
	(BASE_TARGET_EXPORTS, RAW_CXX_TARGET_EXPORTS,
	NORMAL_TARGET_EXPORTS): Move SYSROOT_CFLAGS_FOR_TARGET and
	DEBUG_PREFIX_CFLAGS_FOR_TARGET from CFLAGS and CXXFLAGS to
	XGCC_FLAGS_FOR_TARGET.  Add it along with TFLAGS to CC, CXX, GCJ,
	and GFORTRAN.
	(TFLAGS, STAGE_CFLAGS, STAGE_TFLAGS, STAGE_CONFIGURE_FLAGS): New.
	(_LIBCFLAGS): Renamed to _TFLAGS.
	(do-compare-debug, do-compare3-debug): Drop.
	(CC, GCC_FOR_TARGET, CXX_FOR_TARGET, RAW_CXX_FOR_TARGET,
	GCJ_FOR_TARGET, GFORTRAN_FOR_TARGET): Remove FLAGS_FOR_TARGET.
	(FLAGS_FOR_TARGET, SYSROOT_CFLAGS_FOR_TARGET,
	DEBUG_PREFIX_CFLAGS_FOR_TARGET): Move down.
	(XGCC_FLAGS_FOR_TARGET): New.
	(BASE_FLAGS_TO_PASS): Pass STAGEid_CFLAGS, STAGEid_TFLAGS and TFLAGS.
	(EXTRA_HOST_FLAGS): Pass GCJ and GFORTRAN.
	(POSTSTAGE1_FLAGS_TO_PASS): Move SYSROOT_CFLAGS_FOR_TARGET and
	DEBUG_PREFIX_CFLAGS_FOR_TARGET from CFLAGS, CXXFLAGS, LIBCFLAGS,
	LIBCXXFLAGS to XGCC_FLAGS_FOR_TARGET.    Add it along with TFLAGS
	to CC, CXX, GCJ, and GFORTRAN.  Pass XGCC_FLAGS_FOR_TARGET and
	TFLAGS.
	(BUILD_CONFIG): Include if requested.
	(all): Set TFLAGS on bootstrap.
	(configure-stageid-prefixmodule): Pass TFLAGS, adjust FLAGS.
	(all-stageid-prefixmodule): Likewise.
	(do-clean, distclean-stageid): Set TFLAGS.
	(restrap): Fix whitespace.
	* Makefile.in: Rebuilt.

for config/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	* multi.m4: Save CXX, GFORTRAN and GCJ in config.status.
	* mt-gnu (CXXFLAGS_FOR_TARGET): Adjust.
	* bootstrap-O1.mk: New.
	* bootstrap-O3.mk: New.
	* bootstrap-debug.mk: New.

for  gcc/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	PR target/37137
	* doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.

for gcc/java/ChangeLog
from Alexandre Oliva  <aoliva@redhat.com>

	* Make-lang.in (GCJ): Renamed to...
	(XGCJ): ... this.

for libjava/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	* configure.ac: Insert libgcjdir in the GCJ passed in the
	environment, rather than overriding completely.
	* configure: Rebuilt.

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-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer