diff options
| author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-25 15:55:01 +0000 |
|---|---|---|
| committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-25 15:55:01 +0000 |
| commit | b8bd120bd21885d1054cb062e04d0ce48e0fe849 (patch) | |
| tree | 95d4aaec90834c8e0f73a3ee21377e79db80fc48 /gcc/Makefile.in | |
| parent | ea38f4be892b22b61a540a102bed374ddb381b9a (diff) | |
| download | ppe42-gcc-b8bd120bd21885d1054cb062e04d0ce48e0fe849.tar.gz ppe42-gcc-b8bd120bd21885d1054cb062e04d0ce48e0fe849.zip | |
(clh 9)
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202895 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/Makefile.in')
| -rw-r--r-- | gcc/Makefile.in | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/gcc/Makefile.in b/gcc/Makefile.in index 8f99a6cfa0b..c1480a4704f 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -308,6 +308,11 @@ write_entries_to_file = $(shell rm -f $(2) || :) $(shell touch $(2)) \ # UNSORTED # -------- +# Dependency tracking stuff. +CCDEPMODE = @CCDEPMODE@ +DEPDIR = @DEPDIR@ +depcomp = $(SHELL) $(srcdir)/../depcomp + # Some compilers can't handle cc -c blah.c -o foo/blah.o. # In stage2 and beyond, we force this to "-o $@" since we know we're using gcc. OUTPUT_OPTION = @OUTPUT_OPTION@ @@ -1071,8 +1076,23 @@ INCLUDES = -I. -I$(@D) -I$(srcdir) -I$(srcdir)/$(@D) \ $(CPPINC) $(GMPINC) $(DECNUMINC) $(BACKTRACEINC) \ $(CLOOGINC) $(ISLINC) +COMPILE.base = $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) -o $@ +ifeq ($(CCDEPMODE),depmode=gcc3) +# Note a subtlety here: we use $(@D) for the directory part, to make +# things like the go/%.o rule work properly; but we use $(*F) for the +# file part, as we just want the file part of the stem, not the entire +# file name. +COMPILE = $(COMPILE.base) -MT $@ -MMD -MP -MF $(@D)/$(DEPDIR)/$(*F).TPo +POSTCOMPILE = @mv $(@D)/$(DEPDIR)/$(*F).TPo $(@D)/$(DEPDIR)/$(*F).Po +else +COMPILE = source='$<' object='$@' libtool=no \ + DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) $(COMPILE.base) +POSTCOMPILE = +endif + .cc.o .c.o: - $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $< $(OUTPUT_OPTION) + $(COMPILE) $< + $(POSTCOMPILE) # # Support for additional languages (other than C). @@ -5387,7 +5407,17 @@ po/gcc.pot: force AWK=$(AWK) $(SHELL) $(srcdir)/po/exgettext \ $(XGETTEXT) gcc $(srcdir) +# + +# Dependency information. + # In order for parallel make to really start compiling the expensive # objects from $(OBJS) as early as possible, build all their # prerequisites strictly before all objects. $(ALL_HOST_OBJS) : | $(generated_files) + +# Include the auto-generated dependencies for all host objects. +DEPFILES = \ + $(foreach obj,$(ALL_HOST_OBJS),\ + $(dir $(obj))$(DEPDIR)/$(patsubst %.o,%.Po,$(notdir $(obj)))) +-include $(DEPFILES) |
