From 3346dbc7537da565244d6d438a3e8a5be6d5f360 Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Thu, 10 Sep 2020 15:31:52 +0200
Subject: [PATCH] old make on SL6 has no undefine

---
 App/tools/driver.makefile | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index c0bfa08..35f4cc2 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -96,13 +96,9 @@ EXPORTFILE = ${PRJ}_exportAddress.c
 SUBFUNCFILE = ${PRJ}_subRecordFunctions.dbd
 DEPFILE = ${PRJ}.dep
 
-# Clear potential environment variables.
-undefine TEMPLATES
-undefine SOURCES
-undefine DBDS
-undefine HEADERS
-undefine BASH_ENV
-undefine ENV
+# Clear potentially problematic environment variables.
+BASH_ENV=
+ENV=
 
 # Default target is "build" for all versions.
 # Don't install anything (different from default EPICS make rules).