Accelerate framework on MacOS

Author: krystophny

.github/workflows/meta.yml

@@ -227,11 +227,6 @@ jobs:
         brew install netcdf
         brew install netcdf-fortran
 
-    - name: (macOS) Install homebrew OpenBLAS
-      if: contains(matrix.os,'macos')
-      run: |
-        brew install openblas
-
     # Phase 1: Bootstrap fpm with existing version
     - name: Install fpm
       uses: fortran-lang/setup-fpm@v5

src/metapackage/fpm_meta_blas.f90

@@ -1,5 +1,6 @@
 module fpm_meta_blas
     use fpm_compiler, only: compiler_t, get_include_flag
+    use fpm_environment, only: get_os_type, OS_MACOS
     use fpm_meta_base, only: metapackage_t, destroy
     use fpm_meta_util, only: add_pkg_config_compile_options
     use fpm_pkg_config, only: assert_pkg_config, pkgcfg_has_package
@@ -34,6 +35,14 @@ subroutine init_blas(this, compiler, error)
         this%flags = string_t("")
         this%has_external_modules = .false.
 
+        if (get_os_type() == OS_MACOS) then
+            this%flags = string_t("-framework Accelerate")
+            this%has_build_flags = .true.
+            this%link_flags = string_t("-framework Accelerate")
+            this%has_link_flags = .true.
+            return
+        end if
+
         if (compiler%is_intel()) then
             this%flags = string_t("-qmkl")
             this%has_build_flags = .true.