From b1a450cf2269c5b9ed882b7e8d786ebec3adb8ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=BCtzel?= <markus.muetzel@gmx.de>
Date: Fri, 20 Oct 2023 08:31:11 +0200
Subject: [PATCH] LAGraph: Link to OpenMP::OpenMP_C target

---
 LAGraph/CMakeLists.txt              | 7 ++-----
 LAGraph/experimental/CMakeLists.txt | 4 ++--
 LAGraph/src/CMakeLists.txt          | 4 ++--
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/LAGraph/CMakeLists.txt b/LAGraph/CMakeLists.txt
index bfe16c3da5..922e805810 100644
--- a/LAGraph/CMakeLists.txt
+++ b/LAGraph/CMakeLists.txt
@@ -127,11 +127,8 @@ find_package (GraphBLAS 7.0.1 REQUIRED MODULE)
 if ( COVERAGE )
     message ( STATUS "OpenMP disabled for test coverage" )
 else ( )
-    include ( FindOpenMP  )
-    include ( FindThreads )
-    if ( OPENMP_FOUND )
-        set ( CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS} " )
-    endif ( )
+    find_package ( OpenMP )
+    find_package ( Threads )
 endif ( )
 
 #-------------------------------------------------------------------------------
diff --git a/LAGraph/experimental/CMakeLists.txt b/LAGraph/experimental/CMakeLists.txt
index a88386ffca..0c38025f38 100644
--- a/LAGraph/experimental/CMakeLists.txt
+++ b/LAGraph/experimental/CMakeLists.txt
@@ -59,8 +59,8 @@ target_link_directories ( lagraphx_static BEFORE PUBLIC ${CMAKE_SOURCE_DIR}/buil
 #-------------------------------------------------------------------------------
 
 if ( OPENMP_FOUND )
-    target_link_libraries ( lagraphx PUBLIC lagraph ${OpenMP_C_LIBRARIES} )
-    target_link_libraries ( lagraphx_static PUBLIC lagraph_static ${OpenMP_C_LIBRARIES} )
+    target_link_libraries ( lagraphx PUBLIC lagraph OpenMP::OpenMP_C  )
+    target_link_libraries ( lagraphx_static PUBLIC lagraph_static OpenMP::OpenMP_C  )
 endif ( )
 
 #-------------------------------------------------------------------------------
diff --git a/LAGraph/src/CMakeLists.txt b/LAGraph/src/CMakeLists.txt
index daa435fbb4..c40b1ba5a5 100644
--- a/LAGraph/src/CMakeLists.txt
+++ b/LAGraph/src/CMakeLists.txt
@@ -65,8 +65,8 @@ target_link_directories( lagraph_static BEFORE PUBLIC ${CMAKE_SOURCE_DIR}/build
 #-------------------------------------------------------------------------------
 
 if ( OPENMP_FOUND )
-    target_link_libraries ( lagraph PUBLIC ${OpenMP_C_LIBRARIES} )
-    target_link_libraries ( lagraph_static PUBLIC ${OpenMP_C_LIBRARIES} )
+    target_link_libraries ( lagraph PUBLIC OpenMP::OpenMP_C  )
+    target_link_libraries ( lagraph_static PUBLIC OpenMP::OpenMP_C  )
 endif ( )
 
 #-------------------------------------------------------------------------------