Force blas in CMAKE

Author: thfroitzheim

.github/workflows/build.yml

@@ -232,6 +232,10 @@ jobs:
         -DCMAKE_INSTALL_PREFIX=$PWD/_dist
         -DCMAKE_INSTALL_LIBDIR=lib
         -DCMAKE_FORTRAN_COMPILER=${{ env.FC }}
+        ${{ env.CMAKE_ARGS }}
+      env:
+        CMAKE_ARGS: >-
+          ${{ contains(matrix.os, 'macos') && '-DBLA_VENDOR=OpenBLAS -DLAPACK_LIBRARIES=/opt/homebrew/opt/openblas/lib/libopenblas.dylib' || '' }}
 
     - name: Build library
       run: ninja -C ${{ env.BUILD_DIR }}