# Get "4" out of 10.4 for later pieces in the makefile.
DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
- SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress \
+ SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined,suppress \
-dynamiclib
ifneq ($(ARCH),ARM)
SharedLinkOptions += -mmacosx-version-min=$(DARWIN_VERSION)
endif
endif
+# Set up the library exports file.
+ifdef EXPORTED_SYMBOL_FILE
+
+# First, set up the native export file, which may differ from the source
+# export file.
+
+ifeq ($(HOST_OS),Darwin)
+# Darwin convention prefixes symbols with underscores.
+NativeExportsFile := $(ObjDir)/$(notdir $(EXPORTED_SYMBOL_FILE)).sed
+$(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
+ $(Verb) sed -e 's/[[:<:]]/_/' < $< > $@
+clean-local::
+ -$(Verb) $(RM) -f $(NativeExportsFile)
+else
+NativeExportsFile := $(EXPORTED_SYMBOL_FILE)
+endif
+
+# Now add the linker command-line options to use the native export file.
+
+ifeq ($(HOST_OS),Darwin)
+LLVMLibsOptions += -Wl,-exported_symbols_list,$(NativeExportsFile)
+endif
+
+# gold, bfd ld, etc.
+ifeq ($(HAVE_LINK_RETAIN_SYMBOLS_FILE),1)
+LLVMLibsOptions += -Wl,-retain-symbols-file,$(NativeExportsFile)
+endif
+
+endif
+
###############################################################################
# Library Build Rules: Four ways to build a library
###############################################################################
all-local:: $(LibName.SO)
+ifdef EXPORTED_SYMBOL_FILE
+$(LibName.SO): $(NativeExportsFile)
+endif
+
ifdef LINK_LIBS_IN_SHARED
ifdef LOADABLE_MODULE
SharedLibKindMessage := "Loadable Module"
# Tiger tools don't support this.
ifneq ($(DARWIN_MAJVERS),4)
-LD.Flags += -Wl,-exported_symbol -Wl,_main
+LD.Flags += -Wl,-exported_symbol,_main
endif
endif
$(Echo) "Building $(<F) intrinsics information with tblgen"
$(Verb) $(TableGen) -gen-tgt-intrinsic -o $(call SYSPATH, $@) $<
+$(ObjDir)/ARMGenDecoderTables.inc.tmp : ARM.td $(ObjDir)/.dir
+ $(Echo) "Building $(<F) decoder tables with tblgen"
+ $(Verb) $(TableGen) -gen-arm-decoder -o $(call SYSPATH, $@) $<
+
+
clean-local::
-$(Verb) $(RM) -f $(INCFiles)