--- old/make/bsd/makefiles/fastdebug.make	2013-12-21 19:39:34.919501913 +0400
+++ new/make/bsd/makefiles/fastdebug.make	2013-12-21 19:39:34.819504846 +0400
@@ -57,6 +57,9 @@
 
 # Linker mapfile
 MAPFILE = $(GAMMADIR)/make/bsd/makefiles/mapfile-vers-debug
+ifeq ($(OS_VENDOR), Darwin)
+MAPFILE = $(GAMMADIR)/make/bsd/makefiles/mapfile-vers-darwin-debug
+endif
 
 VERSION = fastdebug
 SYSDEFS += -DASSERT -DCHECK_UNHANDLED_OOPS