- temporarily print which MKL libraries are being used so i can debug actions

- why is openblas not working

Author: pfeatherstone

.github/workflows/build_cpp.yml

@@ -216,7 +216,7 @@ jobs:
           - name: windows-latest-openblas
             os              : windows-latest
             build_openblas  : true
-            configure_extra : -DCMAKE_PREFIX_PATH="C:Program Files (x86)/openblas"
+            configure_extra : -DCMAKE_PREFIX_PATH="C:/Program Files (x86)/openblas"
 
           - name: windows-latest-mkl
             os              : windows-latest

dlib/CMakeLists.txt

@@ -598,15 +598,15 @@ if (NOT TARGET dlib)
          enable_preprocessor_switch(DLIB_USE_MKL_FFT)
          list (APPEND dlib_needed_public_includes ${mkl_include_dir})
          if (DLIB_USE_MKL_SEQUENTIAL)
-            message(STATUS "Using MKL sequential")
+            message(STATUS "Using MKL sequential ${mkl_libraries_sequential}")
             enable_preprocessor_switch(DLIB_USE_MKL_SEQUENTIAL)
             list (APPEND dlib_needed_public_libraries ${mkl_libraries_sequential})
          elseif(DLIB_USE_MKL_WITH_TBB)
-            message(STATUS "Using MKL tbb")
+            message(STATUS "Using MKL tbb ${mkl_libraries_tbb}")
             enable_preprocessor_switch(DLIB_USE_MKL_WITH_TBB)
             list (APPEND dlib_needed_public_libraries ${mkl_libraries_tbb})
          elseif(DLIB_USE_MKL_THREAD)
-            message(STATUS "Using MKL thread")
+            message(STATUS "Using MKL thread ${mkl_libraries_thread}")
             enable_preprocessor_switch(DLIB_USE_MKL_THREAD)
             list (APPEND dlib_needed_public_libraries ${mkl_libraries_thread})
          endif()