Set native compiler to gcc

.

.github/workflows/build.yml

@@ -124,15 +124,24 @@ jobs:
 
   # MacOS build
   macos:
-    runs-on: macos-11
+    runs-on: macos-12
 
     strategy:
+      fail-fast: false
       matrix:
         include:
           - suffix: "-NoGPU"
             custom_glfw: true
+            toolchain_file: ""
+            needs_update: true
           - suffix: ""
             custom_glfw: false
+            toolchain_file: ""
+            needs_update: true
+          - suffix: "-ARM"
+            custom_glfw: false
+            toolchain_file: "dist/macOS/macos_arm_toolchain.cmake"
+            needs_update: true
 
     name: 🍎 macOS 11.0${{matrix.suffix}}
 
@@ -160,6 +169,11 @@ jobs:
           build/CMakeCache.txt
         key: ${{ runner.os }}-${{ matrix.suffix }}-cmakecache-${{ hashFiles('**/CMakeLists.txt') }}
 
+    - name: ⬇️ Update brew packages
+      if: ${{matrix.needs_update}}
+      run: |
+        brew update
+
     - name: ⬇️ Install dependencies
       run: |
         brew bundle --no-lock --file dist/Brewfile
@@ -207,19 +221,22 @@ jobs:
       run: |
         mkdir -p build
         cd build
-        CC=$(brew --prefix gcc@12)/bin/gcc-12                                                       \
+        CC=$(brew --prefix llvm)/bin/clang                                                          \
-        CXX=$(brew --prefix gcc@12)/bin/g++-12                                                      \
+        CXX=$(brew --prefix llvm)/bin/clang++                                                       \
         OBJC=$(brew --prefix llvm)/bin/clang                                                        \
         OBJCXX=$(brew --prefix llvm)/bin/clang++                                                    \
         PKG_CONFIG_PATH="$(brew --prefix openssl)/lib/pkgconfig":"$(brew --prefix)/lib/pkgconfig"   \
         cmake -G "Ninja"                                                                            \
           -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}                                                    \
+          -DCMAKE_TOOLCHAIN_FILE="${{matrix.toolchain_file}}"                                       \
           -DCREATE_BUNDLE=ON                                                                        \
           -DCREATE_PACKAGE=ON                                                                       \
           -DCMAKE_C_COMPILER_LAUNCHER=ccache                                                        \
           -DCMAKE_CXX_COMPILER_LAUNCHER=ccache                                                      \
           -DCMAKE_OBJC_COMPILER_LAUNCHER=ccache                                                     \
           -DCMAKE_OBJCXX_COMPILER_LAUNCHER=ccache                                                   \
+          -DNATIVE_CMAKE_C_COMPILER="$(brew --prefix gcc@12)/bin/gcc-12"                            \
+          -DNATIVE_CMAKE_CXX_COMPILER="$(brew --prefix gcc@12)/bin/g++-12"                          \
           -DIMHEX_PATTERNS_PULL_MASTER=ON                                                           \
           -DIMHEX_COMMIT_HASH_SHORT="${GITHUB_SHA::7}"                                              \
           -DIMHEX_COMMIT_HASH_LONG="${GITHUB_SHA}"                                                  \
@@ -472,6 +489,7 @@ jobs:
   # RPM distro builds
   rpm-build:
     strategy:
+      fail-fast: false
       matrix:
         include:
           - name: Fedora

cmake/build_helpers.cmake

@@ -297,6 +297,10 @@ macro(configureCMake)
     # Enable C and C++ languages
     enable_language(C CXX)
 
+    if (CMAKE_CROSSCOMPILING)
+        message(STATUS "ImHex is being Cross-Compiled for ${CMAKE_SYSTEM_NAME}!")
+    endif ()
+
     # Configure use of recommended build tools
     if (IMHEX_USE_DEFAULT_BUILD_SETTINGS)
         message(STATUS "Configuring CMake to use recommended build tools...")

dist/macOS/macos_arm_toolchain.cmake

@@ -0,0 +1,4 @@
+set(CMAKE_SYSTEM_NAME Darwin)
+set(CMAKE_SYSTEM_PROCESSOR arm64)
+set(CMAKE_OSX_ARCHITECTURES arm64 CACHE INTERNAL "" FORCE)
+SET(CMAKE_OSX_SYSROOT macosx CACHE INTERNAL "" FORCE)