--- a/configure.in	2010-11-30 14:50:56.000000000 -0800
+++ b/configure.in	2019-05-04 20:36:50.000000000 -0700
@@ -83,7 +83,7 @@
 #
 # -----------------------------------------------------------------------
 
-BLT_ENV_CC=$CC
+BLT_ENV_CC=
 
 #
 # CC search order