--- a/configure	2010-06-30 10:29:13.000000000 +0530
+++ b/configure	2010-06-30 10:30:52.000000000 +0530
@@ -5,7 +5,7 @@
 CXX="g++"
 enable_lcms="no"
 enable_openmp="no"
-CFLAGS="-O4 -I. -w"
+CFLAGS="-O4 -I. -w $CFLAGS"
 LDFLAGS=
 DESTDIR=""
 PREFIX="/usr/local"