[phast3] Set Ninja Generator

Author: scharlton2

.github/workflows/cmake-multi-platform.yml

@@ -29,16 +29,17 @@ jobs:
         c_compiler: [gcc, clang, cl]
         toolchain:
           - {compiler: intel-classic, version: '2021.10'}
+        generator: [Ninja]
         include:
           - os: windows-latest
             c_compiler: cl
             cpp_compiler: cl
-          - os: ubuntu-latest
-            c_compiler: gcc
-            cpp_compiler: g++
-          - os: ubuntu-latest
-            c_compiler: clang
-            cpp_compiler: clang++
+          # - os: ubuntu-latest
+          #   c_compiler: gcc
+          #   cpp_compiler: g++
+          # - os: ubuntu-latest
+          #   c_compiler: clang
+          #   cpp_compiler: clang++
         exclude:
           - os: windows-latest
             c_compiler: gcc
@@ -68,6 +69,7 @@ jobs:
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
       run: >
         cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        -G ${{ matrix.generator }}
         -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
         -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
         -DCMAKE_Fortran_COMPILER=${{ steps.setup-fortran.outputs.fc }}