Add support of macOS

Author: rofferom

.github/workflows/build.yml

@@ -84,3 +84,67 @@ jobs:
         path: |
           build/msfce.exe
           build/*.dll
+  build-macos-x86-64:
+    needs: clang-format
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v1
+    - uses: n1hility/cancel-previous-runs@v2
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Fetch submodules
+      run: git submodule update --init --recursive
+    - name: Install required system packages
+      run: |
+        brew install coreutils wget cmake pkg-config nasm meson ninja
+    - name: Cache build dependencies
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-build-dependencies
+      with:
+        path: extras/apple-darwin-x86_64
+        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('extras/build-macos.sh') }}
+    - name: Build dependencies
+      run: (test -d extras/apple-darwin-x86_64 && echo Build dependencies found, skip rebuild) || ./extras/build-macos.sh
+    - name: Run cmake
+      run: |
+        export PKG_CONFIG_LIBDIR=$(pwd)/extras/apple-darwin-x86_64/lib/pkgconfig
+        mkdir build
+        cd build
+        cmake -DCMAKE_BUILD_TYPE=Release ..
+    - name: Build
+      run: |
+        cd build
+        make -j2
+  build-macos-arm64:
+    needs: clang-format
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v1
+    - uses: n1hility/cancel-previous-runs@v2
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Fetch submodules
+      run: git submodule update --init --recursive
+    - name: Install required system packages
+      run: |
+        brew install coreutils wget cmake pkg-config nasm meson ninja
+    - name: Cache build dependencies
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-build-dependencies
+      with:
+        path: extras/apple-darwin-arm64
+        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('extras/build-macos.sh') }}
+    - name: Build dependencies
+      run: (test -d extras/apple-darwin-arm64 && echo Build dependencies found, skip rebuild) || ./extras/build-macos.sh -a arm64
+    - name: Run cmake
+      run: |
+        export PKG_CONFIG_LIBDIR=$(pwd)/extras/apple-darwin-arm64/lib/pkgconfig
+        mkdir build
+        cd build
+        cmake -DCMAKE_OSX_ARCHITECTURES=arm64 -DCMAKE_BUILD_TYPE=Release ..
+    - name: Build
+      run: |
+        cd build
+        make -j2

.gitignore

@@ -1,2 +1,4 @@
 build*
-extras/x86_64-w64-mingw32
+extras/apple-darwin-arm64
+extras/apple-darwin-x86_64
+extras/x86_64-w64-mingw32

README.md

@@ -162,6 +162,37 @@ cmake -DCMAKE_TOOLCHAIN_FILE=../extras/mingw64-toolchain.cmake -DCMAKE_BUILD_TYP
 make
 ```
 
+### macOS
+
+Both Mac Intel and Mac M1 targets are supported, but build has only been tested on Mac Intel.
+
+Install required packages
+```
+brew install coreutils wget cmake pkg-config nasm meson ninja
+```
+
+#### Build for Mac Intel
+
+Build for Intel
+```
+./extras/build-macos.sh
+export PKG_CONFIG_LIBDIR=$(pwd)/extras/apple-darwin-x86_64/lib/pkgconfig
+mkdir build-x86_64
+cd build-x86_64
+cmake -DCMAKE_BUILD_TYPE=Release ..
+make
+```
+
+#### Build for M1
+```
+./extras/build-macos.sh -a arm64
+export PKG_CONFIG_LIBDIR=$(pwd)/extras/apple-darwin-arm64/lib/pkgconfig
+mkdir build-arm64
+cd build-arm64
+cmake -DCMAKE_OSX_ARCHITECTURES=arm64 -DCMAKE_BUILD_TYPE=Release ..
+make
+```
+
 ## Ressources
 
 * [65C816 Opcodes by Bruce Clark](http://6502.org/tutorials/65c816opcodes.html)

app/frontend_sdl2/frontend_sdl2.cpp

@@ -57,6 +57,11 @@ int FrontendSdl2::init(const std::shared_ptr<msfce::core::Snes>& snes)
     assert(m_Window);
 
     // Init OpenGl context
+    SDL_GL_SetAttribute(
+        SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+
     m_GlContext = SDL_GL_CreateContext(m_Window);
     assert(m_GlContext);