# 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 $< $@
# Copy the Makefile.* files unless we're in the root directory which avoids
# the copying of Makefile.config.in or other things that should be explicitly
# taken care of.
-$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_SRC_DIR)/Makefile%
+$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_MAKEFILE)%
@case '$?' in \
*Makefile.rules) ;; \
*.in) ;; \
clean-local::
-$(Verb) $(RM) -f $(NativeExportsFile)
else
-NativeExportsFile := $(EXPORTED_SYMBOL_FILE)
-endif
-endif
-
-# Now add the linker command-line options to use the native export file.
-
-ifeq ($(HOST_OS),Darwin)
-LLVMLibsOptions += -Wl,-exported_symbols_list,$(NativeExportsFile)
-endif
-
-# GNU ld Win32 accepts .DEF files that contain "DATA" entries.
ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+# GNU ld Win32 accepts .DEF files that contain "DATA" entries.
NativeExportsFile := $(ObjDir)/$(notdir $(EXPORTED_SYMBOL_FILE:.exports=.def))
-
-# LLVMLibsOptions is invalidated at processing tools/llvm-shlib.
-SharedLinkOptions += $(NativeExportsFile)
-
$(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
$(Echo) Generating $(notdir $@)
$(Verb) $(ECHO) "EXPORTS" > $@
clean-local::
-$(Verb) $(RM) -f $(NativeExportsFile)
else
+# Default behavior: just use the exports file verbatim.
+NativeExportsFile := $(EXPORTED_SYMBOL_FILE)
+endif
+endif
+endif
+
+# Now add the linker command-line options to use the native export file.
+
+# Darwin
+ifeq ($(HOST_OS),Darwin)
+LLVMLibsOptions += -Wl,-exported_symbols_list,$(NativeExportsFile)
+endif
# gold, bfd ld, etc.
ifeq ($(HAVE_LINK_VERSION_SCRIPT),1)
LLVMLibsOptions += -Wl,--version-script,$(NativeExportsFile)
endif
+# Windows
+ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+# LLVMLibsOptions is invalidated at processing tools/llvm-shlib.
+SharedLinkOptions += $(NativeExportsFile)
endif
endif
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)