--- mozilla-1.9.2.orig/security/coreconf/Linux.mk	2010-12-03 16:48:49.000000000 +0100
+++ mozilla-1.9.2/security/coreconf/Linux.mk	2011-01-20 20:18:26.904905227 +0100
@@ -46,9 +46,9 @@ ifeq ($(USE_PTHREADS),1)
 	IMPL_STRATEGY = _PTH
 endif
 
-CC			= gcc
-CCC			= g++
-RANLIB			= ranlib
+CC			?= gcc
+CCC			?= g++
+RANLIB			?= ranlib
 
 DEFAULT_COMPILER = gcc
 
