Bug 150143: use map file to limit exported symbols on Mac OS X. The patch

is contributed by Brian Ryner <bryner@netscape.com>.
Modified files: Darwin.mk rules.mk

security/coreconf/Darwin.mk

@@ -70,5 +70,7 @@ DSO_LDOPTS	= -dynamiclib -compatibility_version 1 -current_version 1 -install_na
 
 MKSHLIB		= $(CC) -arch $(CPU_ARCH) $(DSO_LDOPTS)
 DLL_SUFFIX	= dylib
+PROCESS_MAP_FILE = grep -v ';+' $(LIBRARY_NAME).def | grep -v ';-' | \
+                sed -e 's; DATA ;;' -e 's,;;,,' -e 's,;.*,,' -e 's,^,_,' > $@
 
 G++INCLUDES	= -I/usr/include/g++

security/coreconf/rules.mk

@@ -364,6 +364,11 @@ endif
 ifeq ($(OS_TARGET),OpenVMS)
 	@echo "`translate $@`" > $(@:$(DLL_SUFFIX)=vms)
 endif
+ifeq ($(OS_TARGET),Darwin)
+ifdef MAPFILE
+	nmedit -s $(MAPFILE) $@
+endif
+endif
 endif
 endif