Makefile.in (bootstrap-lean): Combined with `normal' bootstrap targets using…

Makefile.in (bootstrap-lean): Combined with `normal' bootstrap targets using "$@" to provide support for...

        * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
        targets using "$@" to provide support for similar but not identical
        targets without having to duplicate code.
        (bootstrap4): New goal.

From-SVN: r16187

gcc/ChangeLog

 Sun Oct 26 11:32:16 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 
+	* Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
+	targets using "$@" to provide support for similar but not identical
+	targets without having to duplicate code.
+	(bootstrap4): New goal.
+
 	* Makefile.in (compare, compare-lean, compare3): Combined to one
 	ruleset determining actions to be performed via $@.
 	(compare4, compare4-lean): New targets.

gcc/Makefile.in

@@ -2574,7 +2574,7 @@ diff:
 	  $(LANG_DIFF_EXCLUDES) \
 	  gcc-$(oldversion) gcc-$(version) > diffs
 
-bootstrap: force
+bootstrap bootstrap-lean: force
 # Only build the C compiler for stage1, because that is the only one that
 # we can guarantee will build with the native compiler, and also it is the
 # only thing useful for building stage2.
@@ -2587,22 +2587,7 @@ bootstrap: force
 # alloca.o.  Then cc1 is newer, so it won't have to be relinked.
 	$(MAKE) CC="stage1/xgcc -Bstage1/" CFLAGS="$(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage1/ LANGUAGES="$(LANGUAGES)"
 	$(MAKE) stage2
-	$(MAKE) CC="stage2/xgcc -Bstage2/" CFLAGS="$(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage2/ LANGUAGES="$(LANGUAGES)"
-
-bootstrap-lean: force
-# Only build the C compiler for stage1, because that is the only one that
-# we can guarantee will build with the native compiler, and also it is the
-# only thing useful for building stage2.
-	$(MAKE) CC="$(CC)" libdir=$(libdir) LANGUAGES="$(BOOT_LANGUAGES)"
-	$(MAKE) stage1
-# This used to define ALLOCA as empty, but that would lead to bad results
-# for a subsequent `make install' since that would not have ALLOCA empty.
-# To prevent `make install' from compiling alloca.o and then relinking cc1
-# because alloca.o is newer, we permit these recursive makes to compile
-# alloca.o.  Then cc1 is newer, so it won't have to be relinked.
-	$(MAKE) CC="stage1/xgcc -Bstage1/" CFLAGS="$(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage1/ LANGUAGES="$(LANGUAGES)"
-	$(MAKE) stage2
-	rm -rf stage1
+	-if test $@ = bootstrap-lean; then rm -rf stage1; else true; fi
 	$(MAKE) CC="stage2/xgcc -Bstage2/" CFLAGS="$(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage2/ LANGUAGES="$(LANGUAGES)"
 
 bootstrap2: force
@@ -2613,6 +2598,9 @@ bootstrap2: force
 bootstrap3: force
 	$(MAKE) CC="stage2/xgcc -Bstage2/" CFLAGS="$(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage2/ LANGUAGES="$(LANGUAGES)"
 
+bootstrap4: force
+	$(MAKE) CC="stage3/xgcc -Bstage3/" CFLAGS="$(BOOT_CFLAGS)" LDFLAGS="$(BOOT_LDFLAGS)" libdir=$(libdir) STAGE_PREFIX=stage3/ LANGUAGES="$(LANGUAGES)"
+
 # Compare the object files in the current directory with those in the
 # stage2 directory.