fix gold warning about hidden symbols

Change-Id: Iae399e4d596db450e3ed0e15678e546aa76797a0

expat/StaticLibrary_expat.mk

@@ -45,6 +45,7 @@ endif
 # suppress warning spam
 $(eval $(call gb_StaticLibrary_add_cflags,expat,\
 	-w \
+	$(if $(filter GCC,$(COM)),-fvisibility=default) \
 ))
 
 $(eval $(call gb_StaticLibrary_add_generated_cobjects,expat,\

openssl/ExternalProject_openssl.mk

@@ -60,9 +60,6 @@ $(call gb_ExternalProject_get_state_target,openssl,build):
 			$(if $(SYSBASE),-I$(SYSBASE)/usr/include -L$(SYSBASE)/usr/lib)))) \
 			$(if $(filter MACOSX,$(OS)),--prefix=/@.__________________________________________________OOO) \
 		&& $(MAKE) build_libs \
-			CC="$(CC) $(if $(filter-out WNT,$(OS)),\
-			$(if $(filter TRUE,$(HAVE_GCC_VISIBILITY_FEATURE)),\
-			-fvisibility=hidden))" \
 	)
 endif
 # vim: set noet sw=4 ts=4: