fortran fix macos

.github/workflows/test-fortran-macos.yml

@@ -0,0 +1,46 @@
+name: test-fortran-macos
+
+on: [push, pull_request]
+
+jobs:
+  fast_build_release:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest]
+        # toolchain:
+        #   - {compiler: gcc, version: 13}
+        #   # - {compiler: intel, version: '2023.2'}
+        #   # - {compiler: nvidia-hpc, version: '23.11'}
+        # include:
+        #   - os: ubuntu-latest
+        #     toolchain: {compiler: gcc, version: 12}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: fortran-lang/setup-fortran@v1
+        id: setup-fortran
+        # with:
+        #   compiler: ${{ matrix.toolchain.compiler }}
+        #   version: ${{ matrix.toolchain.version }}
+
+      - name: Create Build Environment
+        run: cmake -E make_directory ${{runner.workspace}}/build
+
+      - name: Configure CMake
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: cmake $GITHUB_WORKSPACE -DFORTRAN=ON 
+
+      - name: Build
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: cmake --build . --parallel
+
+      - name: Test
+        shell: bash
+        working-directory: ${{runner.workspace}}/build
+        run: |
+          ls 
+          ./bin/fortrantest

.github/workflows/test-fortran-ubuntu.yml

@@ -1,4 +1,4 @@
-name: test-fortran
+name: test-fortran-ubuntu
 
 on: [push, pull_request]
 

CMakeLists.txt

@@ -209,7 +209,7 @@ if (BUILD_CXX)
               "but it is not supported by the compiler. The check failed with this output:\n"
               "${check_ipo_support_output}")
     endif()
-  elseif(NOT ipo_supported)
+  elseif(NOT ipo_supported OR APPLE)
     message(STATUS "IPO / LTO: disabled because it is not supported")
   elseif(NOT BUILD_SHARED_LIBS)
     # For a static library, we can't be sure whether the final linking will