--- a/common/autoconf/spec.gmk.in	Fri Feb 06 12:46:59 2015 +0100
+++ b/common/autoconf/spec.gmk.in	Tue Feb 10 12:25:44 2015 +0100
@@ -326,6 +326,8 @@
 
 CFLAGS_WARNINGS_ARE_ERRORS:=@CFLAGS_WARNINGS_ARE_ERRORS@
 
+CFLAGS_CCACHE:=@CFLAGS_CCACHE@
+
 # Tools that potentially need to be cross compilation aware.
 CC:=@FIXPATH@ @CCACHE@ @CC@