From e78fbe46541dedcf39eb0362e69b1de6f7808642 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 30 Jul 2021 14:44:54 +0200
Subject: [PATCH] Disable gfortran tree vectorizer to avoid gcc11+
 miscompilation at O3

---
 ctest/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ctest/Makefile b/ctest/Makefile
index 15c83a907..c5e1094da 100644
--- a/ctest/Makefile
+++ b/ctest/Makefile
@@ -6,6 +6,9 @@ TOPDIR = ..
 include $(TOPDIR)/Makefile.system
 
 override CFLAGS += -DADD$(BU) -DCBLAS
+ifeq ($(F_COMPILER),GFORTRAN)
+	override FFLAGS += -fno-tree-vectorize
+endif
 override TARGET_ARCH=
 override TARGET_MACH=