use gcc instead of cc
diff --git a/Makefile b/Makefile
index ceb7329..323fca4 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,7 @@
 
 MANDIR?=/usr/local/man
 CFLAGS:=-Wall -Wunused
+CC:=gcc
 include extensions/Makefile
 
 # Some kernel testers prefer to use a symlink for /usr/include/linux