From ac8af9cec6e9c391f9047992c15454db8ada1821 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 15 Oct 2020 19:06:45 +0200
Subject: [PATCH] Add -msse where supported, apparently required for older gcc

---
 Makefile.x86 | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Makefile.x86 b/Makefile.x86
index a6196d365..330690935 100644
--- a/Makefile.x86
+++ b/Makefile.x86
@@ -54,3 +54,19 @@ LIBATLAS	= -L$(ATLASPATH)/32 -lcblas -lf77blas -latlas -lm
 else
 LIBATLAS	= -L$(ATLASPATH)/32 -lptf77blas -lptatlas -lpthread -lm
 endif
+
+ifdef HAVE_SSE3
+ifndef DYNAMIC_ARCH
+CCOMMON_OPT += -msse3
+FCOMMON_OPT += -msse3
+ifdef HAVE_SSSE3
+CCOMMON_OPT += -mssse3
+FCOMMON_OPT += -mssse3
+endif
+ifdef HAVE_SSE4_1
+CCOMMON_OPT += -msse4.1
+FCOMMON_OPT += -msse4.1
+endif
+endif
+endif
+