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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113503 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2010-09-09 17:38:11 +00:00
parent f73c5587fa
commit 9ae4ca611b
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 # 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 # 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),$(PROJ_SRC_DIR)) ifneq ($(PROJ_OBJ_DIR),$(PROJ_SRC_DIR))
Makefile: $(PROJ_SRC_DIR)/Makefile $(ExtraMakefiles) Makefile: $(PROJ_MAKEFILE) $(ExtraMakefiles)
$(Echo) "Updating Makefile" $(Echo) "Updating Makefile"
$(Verb) $(MKDIR) $(@D) $(Verb) $(MKDIR) $(@D)
$(Verb) $(CP) -f $< $@ $(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 # 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 # the copying of Makefile.config.in or other things that should be explicitly
# taken care of. # taken care of.
$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_SRC_DIR)/Makefile% $(PROJ_OBJ_DIR)/Makefile% : $(PROJ_MAKEFILE)%
@case '$?' in \ @case '$?' in \
*Makefile.rules) ;; \ *Makefile.rules) ;; \
*.in) ;; \ *.in) ;; \
@ -1436,27 +1440,27 @@ DEPEND_OPTIONS = -MMD -MP -MF "$(ObjDir)/$*.d.tmp" \
DEPEND_MOVEFILE = then $(MV) -f "$(ObjDir)/$*.d.tmp" "$(ObjDir)/$*.d"; \ DEPEND_MOVEFILE = then $(MV) -f "$(ObjDir)/$*.d.tmp" "$(ObjDir)/$*.d"; \
else $(RM) "$(ObjDir)/$*.d.tmp"; exit 1; fi 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) $(Echo) "Compiling $*.cpp for $(BuildMode) build" $(PIC_FLAG)
$(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
$(DEPEND_MOVEFILE) $(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) $(Echo) "Compiling $*.mm for $(BuildMode) build" $(PIC_FLAG)
$(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
$(DEPEND_MOVEFILE) $(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) $(Echo) "Compiling $*.cc for $(BuildMode) build" $(PIC_FLAG)
$(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
$(DEPEND_MOVEFILE) $(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) $(Echo) "Compiling $*.c for $(BuildMode) build" $(PIC_FLAG)
$(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
$(DEPEND_MOVEFILE) $(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) $(Echo) "Compiling $*.m for $(BuildMode) build" $(PIC_FLAG)
$(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \ $(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
$(DEPEND_MOVEFILE) $(DEPEND_MOVEFILE)