build(cmake): 📦 apple brew omp configs added

.github/workflows/build_dev_macos.yml

@@ -0,0 +1,120 @@
+# CI code is based on
+# https://github.com/nihui/realsr-ncnn-vulkan/blob/master/.github/workflows/release.yml
+# Modified in here for newer vulkan
+# https://github.com/onuralpszr/realsr-ncnn-vulkan/blob/vulkan-ci-version/.github/workflows/CI.yml
+
+
+name: macOS Dev Build
+on: [pull_request]
+
+env:
+  APPLICATION_NAME: gfpgan-ncnn-vulkan
+  DEVELOPER_DIR: /Applications/Xcode_14.2.app/Contents/Developer
+
+jobs:
+  openmp-macos:
+    runs-on: macos-latest
+    steps:
+    - name: cache-openmp
+      id: cache-openmp
+      uses: actions/cache@v3
+      with:
+        path: openmp-install
+        key: openmp-macos-release-${{ vars.LLVM_PACKAGE_VERSION}}
+    - name: checkout
+      if: steps.cache-openmp.outputs.cache-hit != 'true'
+      uses: actions/checkout@v4
+    - name: openmp
+      if: steps.cache-openmp.outputs.cache-hit != 'true'
+      run: |
+        wget https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ vars.LLVM_PACKAGE_VERSION}}/llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src.tar.xz
+        tar -xf llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src.tar.xz
+        cd llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src/openmp
+    - name: build-x86_64
+      if: steps.cache-openmp.outputs.cache-hit != 'true'
+      run: |
+        cd llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src/openmp
+        mkdir build-x86_64 && cd build-x86_64
+        cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DCMAKE_OSX_ARCHITECTURES="x86_64" \
+            -DLIBOMP_ENABLE_SHARED=OFF -DENABLE_CHECK_TARGETS=OFF -DLIBOMP_OMPT_SUPPORT=OFF -DLIBOMP_USE_HWLOC=OFF ..
+        cmake --build . -j 3
+        cmake --build . --target install
+    - name: build-arm64
+      if: steps.cache-openmp.outputs.cache-hit != 'true'
+      run: |
+        cd llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src/openmp
+        mkdir build-arm64 && cd build-arm64
+        cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install -DCMAKE_OSX_ARCHITECTURES="arm64" \
+            -DLIBOMP_ENABLE_SHARED=OFF -DENABLE_CHECK_TARGETS=OFF -DLIBOMP_OMPT_SUPPORT=OFF -DLIBOMP_USE_HWLOC=OFF ..
+        cmake --build . -j 3
+        cmake --build . --target install
+    - name: merge-fat-library
+      if: steps.cache-openmp.outputs.cache-hit != 'true'
+      run: |
+        rm -rf $GITHUB_WORKSPACE/openmp-install
+        mkdir -p $GITHUB_WORKSPACE/openmp-install
+        cp -r llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src/openmp/build-x86_64/install/include $GITHUB_WORKSPACE/openmp-install
+        mkdir -p $GITHUB_WORKSPACE/openmp-install/lib
+        lipo -create llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src/openmp/build-x86_64/install/lib/libomp.a llvm-project-${{ vars.LLVM_PACKAGE_VERSION}}.src/openmp/build-arm64/install/lib/libomp.a -o $GITHUB_WORKSPACE/openmp-install/lib/libomp.a
+    - name: upload
+      uses: actions/upload-artifact@v3
+      with:
+        name: openmp-macos
+        path: openmp-install
+
+  macos:
+    needs: [openmp-macos]
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: 'recursive'
+    - name: download-openmp-macos
+      uses: actions/download-artifact@v3
+      with:
+        name: openmp-macos
+        path: openmp-macos
+    - name: install-openmp
+      run: |
+        sudo cp openmp-macos/include/* $DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include
+        sudo cp openmp-macos/lib/libomp.a $DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib
+    - name: cache-vulkansdk
+      id: cache-vulkansdk
+      uses: actions/cache@v3
+      with:
+        path: "vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}"
+        key: vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}
+    - name: vulkansdk
+      if: steps.cache-vulkansdk.outputs.cache-hit != 'true'
+      run: |
+        wget https://sdk.lunarg.com/sdk/download/${{ vars.VULKAN_SDK_VERSION }}/mac/vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}.dmg?Human=true -O vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}.dmg
+        hdiutil attach vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}.dmg
+        cp -r /Volumes/vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }} .
+        rm -rf vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/Applications
+        find vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }} -type f | grep -v -E 'vulkan|glslang|MoltenVK' | xargs rm
+        hdiutil detach /Volumes/vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}
+    - name: build-x86_64
+      run: |
+        export VULKAN_SDK=`pwd`/vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/macOS
+        mkdir build-x86_64 && cd build-x86_64
+        cmake -DUSE_OPENMP_SRC=ON -DUSE_STATIC_MOLTENVK=ON -DCMAKE_OSX_ARCHITECTURES="x86_64" \
+            -DOpenMP_C_FLAGS="-Xclang -fopenmp" -DOpenMP_CXX_FLAGS="-Xclang -fopenmp" \
+            -DOpenMP_C_LIB_NAMES="libomp" -DOpenMP_CXX_LIB_NAMES="libomp" \
+            -DOpenMP_libomp_LIBRARY="$DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/libomp.a" \
+            -DVulkan_INCLUDE_DIR=`pwd`/../vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/MoltenVK/include \
+            -DVulkan_LIBRARY=`pwd`/../vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/MoltenVK/MoltenVK.xcframework/macos-arm64_x86_64/libMoltenVK.a \
+            ../src
+        cmake --build . -j 3
+    - name: build-arm64
+      run: |
+        export VULKAN_SDK=`pwd`/vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/macOS
+        mkdir build-arm64 && cd build-arm64
+        cmake -DUSE_OPENMP_SRC=ON -DUSE_STATIC_MOLTENVK=ON -DCMAKE_OSX_ARCHITECTURES="arm64" \
+            -DCMAKE_CROSSCOMPILING=ON -DCMAKE_SYSTEM_PROCESSOR=arm64 \
+            -DOpenMP_C_FLAGS="-Xclang -fopenmp" -DOpenMP_CXX_FLAGS="-Xclang -fopenmp" \
+            -DOpenMP_C_LIB_NAMES="libomp" -DOpenMP_CXX_LIB_NAMES="libomp" \
+            -DOpenMP_libomp_LIBRARY="$DEVELOPER_DIR/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/libomp.a" \
+            -DVulkan_INCLUDE_DIR=`pwd`/../vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/MoltenVK/include \
+            -DVulkan_LIBRARY=`pwd`/../vulkansdk-macos-${{ vars.VULKAN_SDK_VERSION }}/MoltenVK/MoltenVK.xcframework/macos-arm64_x86_64/libMoltenVK.a \
+            ../src
+        cmake --build . -j 3

src/CMakeLists.txt

@@ -20,10 +20,27 @@ set(CMAKE_CXX_EXTENSIONS ON)
 option(USE_SYSTEM_NCNN "build with system libncnn" OFF)
 option(USE_SYSTEM_WEBP "build with system libwebp" OFF)
 
+set(USE_OPENMP_SRC OFF)
 
+if(APPLE AND NOT USE_OPENMP_SRC)
+    find_program(BREW_EXECUTABLE NAMES brew)
+    if(NOT BREW_EXECUTABLE)
+        message(FATAL_ERROR "Brew not found!")
+    endif()
+    execute_process(COMMAND brew --prefix libomp
+    OUTPUT_VARIABLE HOMEBREW_LIBOMP_PREFIX
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+    set(OpenMP_C_FLAGS
+    "-Xpreprocessor -fopenmp -I${HOMEBREW_LIBOMP_PREFIX}/include")
+    set(OpenMP_CXX_FLAGS
+    "-Xpreprocessor -fopenmp -I${HOMEBREW_LIBOMP_PREFIX}/include")
+    set(OpenMP_C_LIB_NAMES omp)
+    set(OpenMP_CXX_LIB_NAMES omp)
+    set(OpenMP_omp_LIBRARY ${HOMEBREW_LIBOMP_PREFIX}/lib/libomp.dylib)
+endif()
 
-find_package(Threads)
 find_package(OpenMP REQUIRED)
+find_package(Threads)
 find_package(Vulkan REQUIRED)
 
 if (Vulkan_FOUND)