Add github build action for linux

.github/workflows/Build.yml

@@ -20,7 +20,7 @@ defaults:
 
 jobs:
 
- Build:
+ build-windows:
   runs-on: windows-latest
   steps:
 
@@ -40,3 +40,22 @@ jobs:
      path: |
       Build/*/fallout2-ce.exe
      retention-days: 7
+
+ build-linux32:
+  runs-on: ubuntu-22.04
+  steps:
+
+  - name: Clone
+    uses: actions/checkout@v2
+
+  - name: Install dependencies
+    run: |
+     sudo dpkg --add-architecture i386
+     sudo apt update
+     sudo apt install g++-multilib libsdl2-dev:i386 libsdl2-2.0-0:i386 zlib1g-dev:i386
+
+  - name: Prepare
+    run: cmake -DCMAKE_C_FLAGS="-m32" -DCMAKE_CXX_FLAGS="-m32" -B build
+
+  - name: Release build
+    run: cmake --build build --config Release

CMakeLists.txt

@@ -10,7 +10,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
 set(CMAKE_CXX_EXTENSIONS NO)
 
-add_executable(${EXECUTABLE_NAME}
+add_executable(${EXECUTABLE_NAME} WIN32
     "src/actions.cc"
     "src/actions.h"
     "src/animation.cc"