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| author | Daniel Dunbar <daniel@zuster.org> | 2010-09-09 17:38:11 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-09-09 17:38:11 +0000 |
| commit | 9ae4ca611b7fb082e8d5c3dc3870882a2ec45fe9 (patch) | |
| tree | 84dd1b8cf845feb233a028d4d52a3a1531ec1aeb /Makefile.rules | |
| parent | f73c5587fa68ec4b9eab69dd2ed270c69a24c3b9 (diff) | |
| download | llvm-9ae4ca611b7fb082e8d5c3dc3870882a2ec45fe9.tar.gz llvm-9ae4ca611b7fb082e8d5c3dc3870882a2ec45fe9.tar.bz2 llvm-9ae4ca611b7fb082e8d5c3dc3870882a2ec45fe9.tar.xz | |
build: Allow subdir Makefiles to provide an alternate location for the SRCDIR
Makefile, which can be used to allow building out of tree sources.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113503 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'Makefile.rules')
| -rw-r--r-- | Makefile.rules | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/Makefile.rules b/Makefile.rules index 2e18c66e2b..348dbde6d4 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -161,9 +161,13 @@ endif # If the Makefile in the source tree has been updated, copy it over into the # build tree. But, only do this if the source and object makefiles differ #------------------------------------------------------------------------ +ifndef PROJ_MAKEFILE +PROJ_MAKEFILE := $(PROJ_SRC_DIR)/Makefile +endif + ifneq ($(PROJ_OBJ_DIR),$(PROJ_SRC_DIR)) -Makefile: $(PROJ_SRC_DIR)/Makefile $(ExtraMakefiles) +Makefile: $(PROJ_MAKEFILE) $(ExtraMakefiles) $(Echo) "Updating Makefile" $(Verb) $(MKDIR) $(@D) $(Verb) $(CP) -f $< $@ @@ -171,7 +175,7 @@ Makefile: $(PROJ_SRC_DIR)/Makefile $(ExtraMakefiles) # Copy the Makefile.* files unless we're in the root directory which avoids # the copying of Makefile.config.in or other things that should be explicitly # taken care of. -$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_SRC_DIR)/Makefile% +$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_MAKEFILE)% @case '$?' in \ *Makefile.rules) ;; \ *.in) ;; \ @@ -1436,27 +1440,27 @@ DEPEND_OPTIONS = -MMD -MP -MF "$(ObjDir)/$*.d.tmp" \ DEPEND_MOVEFILE = then $(MV) -f "$(ObjDir)/$*.d.tmp" "$(ObjDir)/$*.d"; \ else $(RM) "$(ObjDir)/$*.d.tmp"; exit 1; fi -$(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile +$(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE) $(Echo) "Compiling $*.cpp for $(BuildMode) build" $(PIC_FLAG) $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(DEPEND_MOVEFILE) -$(ObjDir)/%.o: %.mm $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile +$(ObjDir)/%.o: %.mm $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE) $(Echo) "Compiling $*.mm for $(BuildMode) build" $(PIC_FLAG) $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(DEPEND_MOVEFILE) -$(ObjDir)/%.o: %.cc $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile +$(ObjDir)/%.o: %.cc $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE) $(Echo) "Compiling $*.cc for $(BuildMode) build" $(PIC_FLAG) $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(DEPEND_MOVEFILE) -$(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile +$(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE) $(Echo) "Compiling $*.c for $(BuildMode) build" $(PIC_FLAG) $(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(DEPEND_MOVEFILE) -$(ObjDir)/%.o: %.m $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile +$(ObjDir)/%.o: %.m $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE) $(Echo) "Compiling $*.m for $(BuildMode) build" $(PIC_FLAG) $(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(DEPEND_MOVEFILE) |