From 4baa2f6a0d4219df41dcc0ba752e9efcae492f22 Mon Sep 17 00:00:00 2001
From: "James D. Mitchell" <jdm3@st-andrews.ac.uk>
Date: Mon, 20 Nov 2023 11:21:04 +0000
Subject: [PATCH] Add -fopenmp-simd flags if available

---
 CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fbe438b0..f64c5834 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,6 +69,12 @@ if (NOT HPCOMBI_DISABLE_MARCH_NATIVE)
   endif()
 endif()
 
+check_cxx_compiler_flag('-fopenmp-simd', HPCOMBI_HAVE_OPENMP_SIMD_FLAG)
+
+if (HPCOMBI_HAVE_OPENMP_SIMD_FLAG) 
+  add_compile_options(-fopenmp-simd -DSIMDE_ENABLE_OPENMP)
+endif()
+
 # Currently the code coverage fails to link on Mac OSX, not sure why
 if(CODE_COVERAGE)
   include(CheckCCompilerFlag)
@@ -122,7 +128,6 @@ if (BUILD_TESTING)
   add_subdirectory(benchmark)
 endif(BUILD_TESTING)
 
-
 ###################
 # pkgconfig stuff
 configure_file(${CMAKE_SOURCE_DIR}/HPCOMBI_VERSION.in