--- include/autoconf.hin.orig	2022-12-09 09:03:48 UTC
+++ include/autoconf.hin
@@ -49,7 +49,6 @@
 
 /* compiler, compilerflags, ... */
 #	undef TIN_CC
-#	undef TIN_CFLAGS
 #	undef TIN_CPP
 #	undef TIN_CPPFLAGS
 #	undef TIN_LD