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build: Allow subdir Makefiles to provide an alternate location for the SRCDIR

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Makefile, which can be used to allow building out of tree sources.

llvm-svn: 113503
This commit is contained in:
Daniel Dunbar 2010-09-09 17:38:11 +00:00
parent de53df20d6
commit 59aca55047
1 changed files with 11 additions and 7 deletions
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18
Makefile.rules
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@ -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)