DARWIN_VERSION := `sw_vers -productVersion`
# Strip a number like 10.4.7 to 10.4
DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]).*/\1/')
+ # Get "4" out of 10.4 for later pieces in the makefile.
+ DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress -bundle \
-mmacosx-version-min=$(DARWIN_VERSION)
# startup time by 4x on darwin in some cases.
ifdef TOOL_NO_EXPORTS
ifeq ($(OS),Darwin)
+
+# Tiger tools don't support this.
+ifneq ($(DARWIN_MAJVERS),4)
LD.Flags += -Wl,-exported_symbol -Wl,_main
endif
+endif
ifeq ($(OS), $(filter $(OS), Linux NetBSD FreeBSD))
LD.Flags += -Wl,--version-script=$(LLVM_SRC_ROOT)/autoconf/ExportMap.map