merge from gcc:

2004-04-27  Paolo Bonzini  <bonzini@gnu.org>

	Revert:
	2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (flags_to_pass): Remove *dir variables that
	are passed to the modules via TOPLEVEL_CONFIGURE_ARGUMENTS,
	as well as prefix and exec_prefix.
	* Makefile.in: Regenerate.

2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (host_modules): Mark with the bootstrap
	flag packages on which gcc depends.
	* Makefile.tpl (all-bootstrap): Use it.
	* Makefile.in: Regenerate.

2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def (flags_to_pass): Remove *dir variables that
	are passed to the modules via TOPLEVEL_CONFIGURE_ARGUMENTS,
	as well as prefix and exec_prefix.
	* Makefile.in: Regenerate.

2004-04-26  Paolo Bonzini  <bonzini@gnu.org>

        * configure.in: Invoke ACX_PROG_CMP_IGNORE_INITIAL.
        * configure: Regenerate.
        * config/acx.m4: Mutuate ACX_PROG_CMP_IGNORE_INITIAL from gcc.
        * gcc/Makefile.tpl (compare): Use the result of the test.
        * gcc/Makefile.in: Regenerate.

2004-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.tpl (all-stage1-gcc, all-stage2-gcc, all-stage3-gcc):
	Always relocate gcc and prev-gcc to the original names, even
	if the build fails.
	(new-cleanstrap, new-restage1, new-restage2, new-restage3):
	New targets.

1 files changed, 36 insertions, 10 deletions

diff --git a/Makefile.tpl b/Makefile.tpl
index 7ae10de..18d55f2 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -1377,11 +1377,11 @@ all-stage1-gcc: configure-stage1-gcc prebootstrap
 	mv stage1-gcc gcc ; \
 	cd gcc && \
 	$(MAKE) $(GCC_FLAGS_TO_PASS) \
-		CFLAGS="$(STAGE1_CFLAGS)" \
-		|| exit 1 ; \
+		CFLAGS="$(STAGE1_CFLAGS)" && $(STAMP) ../all-stage1-gcc ; \
+	result=$$? ; \
 	cd .. ; \
 	mv gcc stage1-gcc ; \
-	$(STAMP) all-stage1-gcc
+	exit $$result
 
 # TODO: Deal with STAGE_PREFIX (which is only for ada, incidentally)
 # Possibly pass --enable-werror-always (depending on --enable-werror);
@@ -1453,11 +1453,12 @@ all-stage2-gcc: all-stage1-gcc configure-stage2-gcc
 		CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		STAGE_PREFIX=$$r/prev-gcc/ \
-		$(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \
+		$(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage2-gcc ; \
+	result=$$? ; \
 	cd .. ; \
 	mv prev-gcc stage1-gcc ; \
 	mv gcc stage2-gcc ; \
-	$(STAMP) all-stage2-gcc
+	exit $$result
 
 configure-stage3-gcc: all-stage2-gcc
 	echo configure-stage3-gcc > stage_last ; \
@@ -1520,11 +1521,12 @@ all-stage3-gcc: all-stage2-gcc configure-stage3-gcc
 		CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/" \
 		STAGE_PREFIX=$$r/prev-gcc/ \
-		$(POSTSTAGE1_FLAGS_TO_PASS) || exit 1 ; \
+		$(POSTSTAGE1_FLAGS_TO_PASS) && $(STAMP) ../all-stage3-gcc \
+	result=$$? ; \
 	cd .. ; \
 	mv prev-gcc stage2-gcc ; \
 	mv gcc stage3-gcc ; \
-	$(STAMP) all-stage3-gcc
+	exit $$result
 
 # We only want to compare .o files, so set this!
 objext = .o
@@ -1537,8 +1539,8 @@ compare: all-stage3-gcc
 	files=`find . -name "*$(objext)" -print` ; \
 	cd .. ; \
 	for file in $${files} ; do \
-	  cmp --ignore-initial=16 $$r/stage2-gcc/$$file $$r/stage3-gcc/$$file \
-	      > /dev/null 2>&1; \
+	  f1=$$r/stage2-gcc/$$file; f2=$$r/stage3-gcc/$$file; \
+	  @do_compare@ > /dev/null 2>&1; \
 	  test $$? -eq 1 && echo $$file differs >> .bad_compare || true; \
 	done ; \
 	if [ -f .bad_compare ]; then \
@@ -1559,6 +1561,30 @@ new-bootstrap: compare
 	$(MAKE) all ; \
 	mv gcc stage3-gcc
 
+new-cleanstrap:
+	rm -rf configure-stage1-gcc all-stage1-gcc stage1-gcc \
+	  configure-stage2-gcc all-stage2-gcc stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) new-bootstrap
+
+new-restage1:
+	rm -rf all-stage1-gcc \
+	  configure-stage2-gcc all-stage2-gcc stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) all-stage1-gcc
+
+new-restage2: all-stage1-gcc
+	rm -rf all-stage2-gcc \
+	  configure-stage3-gcc all-stage3-gcc stage3-gcc \
+	  compare
+	$(MAKE) all-stage2-gcc
+
+new-restage3: all-stage2-gcc
+	rm -rf all-stage3-gcc compare
+	$(MAKE) compare
+
 # --------------------------------------
 # Dependencies between different modules
 # --------------------------------------
@@ -1578,7 +1604,7 @@ all-gcc: maybe-all-libiberty maybe-all-intl maybe-all-bison maybe-all-byacc mayb
 # This is a slightly kludgy method of getting dependencies on 
 # all-build-libiberty correct; it would be better to build it every time.
 all-gcc: maybe-all-build-libiberty
-all-bootstrap: maybe-all-libiberty maybe-all-intl maybe-all-texinfo maybe-all-bison maybe-all-byacc maybe-all-binutils maybe-all-gas maybe-all-ld maybe-all-zlib
+all-bootstrap: [+ FOR host_modules +][+ IF bootstrap +]maybe-all-[+module+] [+ ENDIF bootstrap +][+ ENDFOR host_modules +]
 
 # Host modules specific to gdb.
 # GDB needs to know that the simulator is being built.