Add macos-15-intel runner

Author: bonachea

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, macos-14, macos-15, ubuntu-24.04]
+        os: [macos-13, macos-14, macos-15, macos-15-intel, ubuntu-24.04]
         compiler: [ gfortran ]
         version: [ 13, 14 ]
         network: [ smp ]
@@ -36,6 +36,10 @@ jobs:
             compiler: flang
             version: 21
             network: smp
+          - os: macos-15-intel
+            compiler: flang
+            version: 21
+            network: smp
           - os: ubuntu-24.04
             compiler: flang
             version: latest
@@ -77,6 +81,10 @@ jobs:
             compiler: gfortran
             version: 14
             network: udp
+          - os: macos-15-intel
+            compiler: flang
+            version: 21
+            network: udp
           - os: macos-15
             compiler: flang
             version: 21
@@ -176,14 +184,14 @@ jobs:
 
     - name: Setup FPM
       uses: fortran-lang/setup-fpm@main
-      if: ${{ !contains(matrix.os, 'macos') || matrix.os == 'macos-13' }}
+      if: ${{ !contains(matrix.os, 'macos') || matrix.os == 'macos-13' || matrix.os == 'macos-15-intel'}}
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         fpm-version: latest
 
     - name: Build FPM
       # no macos-arm64 fpm distro, build from source
-      if: ${{ contains(matrix.os, 'macos') && matrix.os != 'macos-13' }} 
+      if: ${{ contains(matrix.os, 'macos') && matrix.os != 'macos-13' && matrix.os != 'macos-15-intel' }} 
       run: |
         set -x
         export FPM_VERSION=0.12.0