--- gtkperf/configure.in	2005-10-30 20:09:06.000000000 +0800
+++ gtkperf/configure.in.new	2010-01-11 18:19:50.777277420 +0800
@@ -8,8 +8,6 @@ AM_INIT_AUTOMAKE(gtkperf, 0.40)
 AM_CONFIG_HEADER(config.h)
 
 AC_ISC_POSIX
-CFLAGS=""
-AC_SUBST(CFLAGS)
 AC_PROG_CC
 AM_PROG_CC_STDC
 AC_HEADER_STDC