FIX: trying to fix OpenBLAS download and build

DownloadOpenBLAS.cmake

@@ -11,7 +11,6 @@ FetchContent_Declare(
     OpenBLAS
     SOURCE_DIR ${OPENBLAS_LOCAL_PATH}
     GIT_REPOSITORY https://github.com/xianyi/OpenBLAS.git
-    #    GIT_TAG 9.300.x  #TODO do some general solution!
 )
 
 set(FETCHCONTENT_QUIET FALSE)
@@ -27,21 +26,21 @@ execute_process(
     RESULT_VARIABLE rv
 )
 if(NOT rv STREQUAL "0")
-    message("OpenBLAS build: cmake: ${rv}")
+    message("OpenBLAS build: cmake .: ${rv}")
 endif()
 
 execute_process(
-    COMMAND cmake -j ${N_CORES} --build .
+    COMMAND cmake --build . -j ${N_CORES} --config Release
     WORKING_DIRECTORY ${OPENBLAS_LOCAL_PATH}
     RESULT_VARIABLE rv
 )
 if(NOT rv STREQUAL "0")
-    message("OpenBLAS build: cmake --build: ${rv}")
+    message("OpenBLAS build: cmake --build . -j ${N_CORES}: ${rv}")
 endif()
 
-find_package(BLAS
-        HINTS
-        external_dependencies/OpenBLAS)
+set(BLAS_DIR external_dependencies/OpenBLAS)
+
+find_package(BLAS)
 
 if(NOT BLAS_FOUND)
     message(FATAL_ERROR "OpenBLAS was not downloaded successfully!")