--- include/autoconf.hin.orig	2015-11-22 01:15:52.000000000 +0100
+++ include/autoconf.hin	2016-01-16 18:09:27.785884000 +0100
@@ -46,7 +46,6 @@
 
 /* compiler, compilerflags, ... */
 #	undef TIN_CC
-#	undef TIN_CFLAGS
 #	undef TIN_CPP
 #	undef TIN_CPPFLAGS
 #	undef TIN_LD