From fee361ae64f2d02552713ade0ee972e6efdb1ed4 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Tue, 11 Aug 2020 13:27:19 +0200
Subject: [PATCH] fix another source of NO_CBLAS=0 surprise

---
 interface/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/interface/Makefile b/interface/Makefile
index 44a9fdcf0..2dbd60073 100644
--- a/interface/Makefile
+++ b/interface/Makefile
@@ -367,7 +367,7 @@ CZBLAS3OBJS   +=  cblas_zgemm3m.$(SUFFIX)
 endif
 
 
-ifndef NO_CBLAS
+ifneq ($(NO_CBLAS), 1)
 
 override CFLAGS += -I.