github-actions: add cross-compiling

.github/workflows/compile.yml

@@ -32,6 +32,9 @@ jobs:
                 clang \
                 cmake \
                 gcc \
+                gcc-aarch64-linux-gnu \
+                gcc-arm-linux-gnueabihf \
+                gcc-mips-linux-gnu \
                 make
 
     - name: Configure & Build with gcc
@@ -48,6 +51,45 @@ jobs:
         podman exec -i stable cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=${cc} -DENABLE_WERROR=ON -B build-${cc}
         podman exec -i stable cmake --build build-${cc}
 
+    - name: Configure & Build with arm-linux-gnueabihf-gcc
+      env:
+        toolchain: arm-linux-gnueabihf-gcc
+      run: |
+        podman exec -i stable cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=cmake/${toolchain}.cmake -DENABLE_WERROR=ON -B build-${toolchain}
+        podman exec -i stable cmake --build build-${toolchain}
+
+    - name: Configure & Build with arm-linux-gnueabihf-clang
+      if:
+        ${{ matrix.release != 'ubuntu:20.04' && matrix.release != 'debian:oldstable-slim' }}
+      env:
+        toolchain: arm-linux-gnueabihf-clang
+      run: |
+        podman exec -i stable cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=cmake/${toolchain}.cmake -DENABLE_WERROR=ON -B build-${toolchain}
+        podman exec -i stable cmake --build build-${toolchain}
+
+    - name: Configure & Build with aarch64-linux-gnu-gcc
+      env:
+        toolchain: aarch64-linux-gnu-gcc
+      run: |
+        podman exec -i stable cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=cmake/${toolchain}.cmake -DENABLE_WERROR=ON -B build-${toolchain}
+        podman exec -i stable cmake --build build-${toolchain}
+
+    - name: Configure & Build with aarch64-linux-gnu-clang
+      if:
+        ${{ matrix.release != 'ubuntu:20.04' && matrix.release != 'debian:oldstable-slim' }}
+      env:
+        toolchain: aarch64-linux-gnu-clang
+      run: |
+        podman exec -i stable cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=cmake/${toolchain}.cmake -DENABLE_WERROR=ON -B build-${toolchain}
+        podman exec -i stable cmake --build build-${toolchain}
+
+    - name: Configure & Build with mips-linux-gnu-gcc
+      env:
+        toolchain: mips-linux-gnu-gcc
+      run: |
+        podman exec -i stable cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=cmake/${toolchain}.cmake -DENABLE_WERROR=ON -B build-${toolchain}
+        podman exec -i stable cmake --build build-${toolchain}
+
     - name: Show logs
       if: ${{ failure() }}
       run: |

cmake/aarch64-linux-gnu-clang.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_C_COMPILER_TARGET aarch64-linux-gnu)

cmake/aarch64-linux-gnu-gcc.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+
+set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
+set(CMAKE_C_COMPILER_TARGET aarch64-linux-gnu)

cmake/arm-linux-gnueabihf-clang.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR arm)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_C_COMPILER_TARGET arm-linux-gnueabihf)

cmake/arm-linux-gnueabihf-gcc.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR arm)
+
+set(CMAKE_C_COMPILER arm-linux-gnueabihf-gcc)
+set(CMAKE_C_COMPILER_TARGET arm-linux-gnueabihf)

cmake/mips-linux-gnu-gcc.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR mips)
+
+set(CMAKE_C_COMPILER mips-linux-gnu-gcc)
+set(CMAKE_C_COMPILER_TARGET mips-linux-gnu)