From 1830176417adac41d9c4c5894b1dce2c10280dcb Mon Sep 17 00:00:00 2001
From: Stas Boukarev <stassats@gmail.com>
Date: Sun, 26 Apr 2015 23:52:55 +0300
Subject: [PATCH] Use `undefine' instead of `unset' in asdf-module.mk

This a makefile, not a shell script.
---
 contrib/asdf-module.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/asdf-module.mk b/contrib/asdf-module.mk
index 1329134c8..fa1f7c721 100644
--- a/contrib/asdf-module.mk
+++ b/contrib/asdf-module.mk
@@ -10,7 +10,7 @@ DEST=$(SBCL_PWD)/obj/sbcl-home/contrib/
 FASL=$(DEST)/$(SYSTEM).fasl
 ASD=$(DEST)/$(SYSTEM).asd
 
-unset EXTRA_CFLAGS
+undefine EXTRA_CFLAGS
 
 ifeq (SunOS,$(UNAME))
   EXTRA_CFLAGS=-D_XOPEN_SOURCE=500 -D__EXTENSIONS__
-- 
2.11.4.GIT