--- a/make.tmpl.in
+++ b/make.tmpl.in
@@ -17,7 +17,7 @@ SHELL = /bin/sh
 
 @SET_MAKE@
 
-CC ?= @CC@
+CC = @CC@
 RANLIB = @RANLIB@
 INSTALL = @INSTALL@
 MKDIR_P = @MKDIR_P@