From 050d77d66322c68f90ade4f43849754081a9e5ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=BCtzel?= <markus.muetzel@gmx.de>
Date: Thu, 30 Nov 2023 10:50:52 +0100
Subject: [PATCH] FindGraphBLAS: Try to make sure GRAPHBLAS_STATIC is really a
 static library

---
 LAGraph/cmake_modules/FindGraphBLAS.cmake | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/LAGraph/cmake_modules/FindGraphBLAS.cmake b/LAGraph/cmake_modules/FindGraphBLAS.cmake
index 31464b6409..f72fc07ea9 100644
--- a/LAGraph/cmake_modules/FindGraphBLAS.cmake
+++ b/LAGraph/cmake_modules/FindGraphBLAS.cmake
@@ -120,16 +120,14 @@ find_library ( GRAPHBLAS_LIBRARY
   )
 
 if ( MSVC )
-    set ( STATIC_SUFFIX .lib )
     set ( STATIC_NAME graphblas_static )
 else ( )
-    set ( STATIC_SUFFIX .a )
     set ( STATIC_NAME graphblas )
 endif ( )
 
 # static SuiteSparse:GraphBLAS library
 set ( save ${CMAKE_FIND_LIBRARY_SUFFIXES} )
-set ( CMAKE_FIND_LIBRARY_SUFFIXES ${STATIC_SUFFIX} ${CMAKE_FIND_LIBRARY_SUFFIXES} )
+set ( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX} )
 find_library ( GRAPHBLAS_STATIC
   NAMES ${STATIC_NAME}
   HINTS ${GRAPHBLAS_ROOT}
@@ -140,6 +138,9 @@ find_library ( GRAPHBLAS_STATIC
   PATH_SUFFIXES lib build alternative
   )
 set ( CMAKE_FIND_LIBRARY_SUFFIXES ${save} )
+if ( MINGW AND GRAPHBLAS_STATIC MATCHES ".*\.dll\.a" )
+    set ( GRAPHBLAS_STATIC "" )
+endif ( )
 
 # get version of the library from the dynamic library name
 get_filename_component ( GRAPHBLAS_LIBRARY  ${GRAPHBLAS_LIBRARY} REALPATH )
@@ -214,13 +215,13 @@ else ( )
 endif ( )
 
 # Create target from information found
-if ( NOT "${GRAPHBLAS_LIBRARY}" STREQUAL "" )
+if ( GRAPHBLAS_LIBRARY )
     add_library ( GraphBLAS::GraphBLAS UNKNOWN IMPORTED )
     set_target_properties ( GraphBLAS::GraphBLAS PROPERTIES
         IMPORTED_LOCATION "${GRAPHBLAS_LIBRARY}"
         IMPORTED_INCLUDE_DIRECTORIES "${GRAPHBLAS_INCLUDE_DIR}" )
 endif ( )
-if ( NOT "${GRAPHBLAS_STATIC}" STREQUAL "" )
+if ( GRAPHBLAS_STATIC )
     add_library ( GraphBLAS::GraphBLAS_static UNKNOWN IMPORTED )
     set_target_properties ( GraphBLAS::GraphBLAS_static PROPERTIES
         IMPORTED_LOCATION "${GRAPHBLAS_STATIC}"