From a142b09ae91ee2ad981c24c9a48689e623d6a952 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Fri, 15 Jul 2016 15:08:37 +0000
Subject: [PATCH] Sanitize the environment when calling make(1) to autodetect
 ${CC}. Sevan Janiyan found during testing on AIX that ${CC} could leak in.

---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 6f2c4116..04768be4 100755
--- a/configure
+++ b/configure
@@ -34,7 +34,7 @@ echo "config.log: writing..."
 MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man"
 OSNAME=
 
-CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make -f -`
+CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -f -`
 CFLAGS="-g -W -Wall -Wstrict-prototypes -Wno-unused-parameter -Wwrite-strings"
 LDADD=
 LDFLAGS=
-- 
2.47.1