Add configure support for setting and using MOZ_STRIP_NOT_EXPORTED.

Courtesy of Alex Larsson.

config/autoconf.mk.in

@@ -41,6 +41,7 @@ NO_SHARED_LIB	= @NO_SHARED_LIB@
 NO_NETSCAPE_SHARED = @NO_SHARED_LIB@
 NO_STATIC_LIB	= @NO_STATIC_LIB@
 NO_NETSCAPE_STATIC = @NO_STATIC_LIB@
+MOZ_STRIP_NOT_EXPORTED = @MOZ_STRIP_NOT_EXPORTED@
 ENABLE_TESTS	= @ENABLE_TESTS@
 ENABLE_PICS     = @ENABLE_PICS@
 DOM		= @MOZ_DOM@

config/rules.mk

@@ -585,6 +585,12 @@ $(LIBRARY): $(OBJS)
 endif
 endif
 
+ifdef MOZ_STRIP_NOT_EXPORTED
+ifndef INHIBIT_STRIP_NOT_EXPORTED
+EXTRA_DSO_LDOPTS += -Wl,--version-exports-section -Wl,Mozilla
+endif
+endif
+
 ifneq ($(OS_ARCH),OS2)
 $(SHARED_LIBRARY): $(OBJS) $(LOBJS)
 	rm -f $@

configure.in

@@ -1673,6 +1673,22 @@ MOZ_ARG_ENABLE_BOOL(strip-libs,
   [ MOZ_POST_DSO_LIB_COMMAND=strip
     MOZ_POST_PROGRAM_COMMAND=strip ])
 
+dnl ========================================================
+dnl =
+dnl = --enable-strip-not-exported
+dnl = 
+dnl = Enable stripping of not exported symbols in .so files
+dnl = 
+dnl ========================================================
+MOZ_STRIP_NOT_EXPORTED=
+
+MOZ_ARG_ENABLE_BOOL(strip-not-exported,
+[  --enable-strip-not-exported       Enable stripping of not exported symbols in .so files ],
+  [MOZ_STRIP_NOT_EXPORTED=1
+   AC_DEFINE(MOZ_STRIP_NOT_EXPORTED) ])
+
+dnl ========================================================
+
 dnl ========================================================
 dnl =
 dnl = --with-debug-modules=module1,module1,etc
@@ -1901,6 +1917,7 @@ AC_SUBST(MOZ_EDITOR)
 AC_SUBST(MOZ_BRPROF)
 
 AC_SUBST(UNIX_CRASH_ON_ASSERT)
+AC_SUBST(MOZ_STRIP_NOT_EXPORTED)
 AC_SUBST(NO_UNIX_ASYNC_DNS)
 AC_SUBST(NO_SHARED_LIB)
 AC_SUBST(NO_STATIC_LIB)