From b41250efaa3b65c89b85ae20a3a2242bbecd97dc Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 3 Aug 2022 23:32:43 +0200
Subject: [PATCH] clean up LAPACK_FFLAGS for NAG and Cray compilers

---
 cmake/system.cmake | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cmake/system.cmake b/cmake/system.cmake
index cb911ad56..a9fc0f4b7 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -559,6 +559,14 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
   endforeach ()
 endif ()
 
+if ("${F_COMPILER}" STREQUAL "NAG" OR "${F_COMPILER}" STREQUAL "CRAY")
+  set(FILTER_FLAGS "-msse3;-mssse3;-msse4.1;-mavx;-mavx2,-mskylake-avx512")
+  foreach (FILTER_FLAG ${FILTER_FLAGS})
+    string(REPLACE ${FILTER_FLAG} "" LAPACK_FFLAGS ${LAPACK_FFLAGS})
+    string(REPLACE ${FILTER_FLAG} "" LAPACK_FPFLAGS ${LAPACK_FPFLAGS})
+  endforeach ()
+endif ()
+
 if ("${F_COMPILER}" STREQUAL "GFORTRAN")
   # lapack-netlib is rife with uninitialized warnings -hpa
   set(LAPACK_FFLAGS "${LAPACK_FFLAGS} -Wno-maybe-uninitialized")