From a3e7b6f8cd27702d6a9427e14755bf5f2c28dcca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=BCtzel?= <markus.muetzel@gmx.de>
Date: Wed, 20 Dec 2023 14:31:38 +0100
Subject: [PATCH] CMake: Import OpenMP targets to global scope

---
 CHOLMOD/CMakeLists.txt            | 2 +-
 GraphBLAS/CMakeLists.txt          | 2 +-
 LAGraph/CMakeLists.txt            | 2 +-
 ParU/CMakeLists.txt               | 2 +-
 SuiteSparse_config/CMakeLists.txt | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/CHOLMOD/CMakeLists.txt b/CHOLMOD/CMakeLists.txt
index 6f7053a39..2c269f1e4 100644
--- a/CHOLMOD/CMakeLists.txt
+++ b/CHOLMOD/CMakeLists.txt
@@ -75,7 +75,7 @@ endif ( )
 option ( SUITESPARSE_USE_OPENMP "ON (default): Use OpenMP if available.  OFF: Do not use OpenMP" ON )
 option ( CHOLMOD_USE_OPENMP "ON: Use OpenMP in CHOLMOD if available.  OFF: Do not use OpenMP.  (Default: SUITESPARSE_USE_OPENMP)" ${SUITESPARSE_USE_OPENMP} )
 if ( CHOLMOD_USE_OPENMP )
-    find_package ( OpenMP )
+    find_package ( OpenMP GLOBAL )
 else ( )
     # OpenMP has been disabled
     set ( OpenMP_C_FOUND OFF )
diff --git a/GraphBLAS/CMakeLists.txt b/GraphBLAS/CMakeLists.txt
index 5758a4dc1..196d95aee 100644
--- a/GraphBLAS/CMakeLists.txt
+++ b/GraphBLAS/CMakeLists.txt
@@ -90,7 +90,7 @@ endif ( )
 option ( SUITESPARSE_USE_OPENMP "ON (default): Use OpenMP if available.  OFF: Do not use OpenMP" ON )
 option ( GRAPHBLAS_USE_OPENMP "ON: Use OpenMP in GraphBLAS if available.  OFF: Do not use OpenMP.  (Default: SUITESPARSE_USE_OPENMP)" ${SUITESPARSE_USE_OPENMP} )
 if ( GRAPHBLAS_USE_OPENMP )
-    find_package ( OpenMP )
+    find_package ( OpenMP GLOBAL )
 else ( )
     # OpenMP has been disabled.
     set ( OpenMP_C_FOUND OFF )
diff --git a/LAGraph/CMakeLists.txt b/LAGraph/CMakeLists.txt
index 369533062..4d31ce16c 100644
--- a/LAGraph/CMakeLists.txt
+++ b/LAGraph/CMakeLists.txt
@@ -161,7 +161,7 @@ if ( COVERAGE )
     message ( STATUS "OpenMP disabled for test coverage" )
 else ( )
     if ( LAGRAPH_USE_OPENMP )
-        find_package ( OpenMP )
+        find_package ( OpenMP GLOBAL )
         if ( OpenMP_C_FOUND AND BUILD_STATIC_LIBS )
             list ( APPEND LAGRAPH_STATIC_LIBS ${OpenMP_C_LIBRARIES} )
         endif ( )
diff --git a/ParU/CMakeLists.txt b/ParU/CMakeLists.txt
index ca4abcb9b..843e6351e 100644
--- a/ParU/CMakeLists.txt
+++ b/ParU/CMakeLists.txt
@@ -54,7 +54,7 @@ option ( SUITESPARSE_USE_OPENMP "ON (default): Use OpenMP if available.  OFF: Do
 option ( PARU_USE_OPENMP "ON: Use OpenMP in ParU if available.  OFF: Do not use OpenMP.  (Default: SUITESPARSE_USE_OPENMP)" ${SUITESPARSE_USE_OPENMP} )
 if ( PARU_USE_OPENMP )
     # OpenMP 4.5 or later is required
-    find_package ( OpenMP )
+    find_package ( OpenMP GLOBAL )
     if ( OpenMP_CXX_FOUND AND OpenMP_CXX_VERSION VERSION_LESS 4.5 )
         set ( PARU_USE_OPENMP OFF )
     endif ( )
diff --git a/SuiteSparse_config/CMakeLists.txt b/SuiteSparse_config/CMakeLists.txt
index 17874691a..d508a3b08 100644
--- a/SuiteSparse_config/CMakeLists.txt
+++ b/SuiteSparse_config/CMakeLists.txt
@@ -59,7 +59,7 @@ endif ( )
 
 option ( SUITESPARSE_USE_OPENMP "ON (default): Use OpenMP if available.  OFF: Do not use OpenMP" ON )
 if ( SUITESPARSE_USE_OPENMP )
-    find_package ( OpenMP )
+    find_package ( OpenMP GLOBAL )
 else ( )
     # OpenMP has been disabled
     message ( STATUS "OpenMP disabled" )