Fix building with MinGW 11.2.0 on Windows, add it into CI/CD

.github/workflows/main.yml

@@ -87,7 +87,7 @@ jobs:
       - name: Build everything
         run: ninja -C build-meson
 
-  build_win:
+  build_windows:
     name: Build on Windows
     runs-on: windows-2019
     steps:
@@ -115,7 +115,7 @@ jobs:
       - name: Configure UEFIExtract
         shell: bash
         working-directory: ${{runner.workspace}}/build/UEFIExtract
-        run: cmake -G "Visual Studio 16 2019" -T "v141_xp" -DU_STATIC_RT=YES ../../UEFITool/UEFIExtract/
+        run: cmake -G "Visual Studio 16 2019" -T "v141_xp" ../../UEFITool/UEFIExtract/
       
       - name: Build UEFIExtract
         working-directory: ${{runner.workspace}}/build/UEFIExtract
@@ -135,7 +135,7 @@ jobs:
       - name: Configure UEFIFind
         shell: bash
         working-directory: ${{runner.workspace}}/build/UEFIFind
-        run: cmake -G "Visual Studio 16 2019" -T "v141_xp" -DU_STATIC_RT=YES ../../UEFITool/UEFIFind/
+        run: cmake -G "Visual Studio 16 2019" -T "v141_xp" ../../UEFITool/UEFIFind/
       
       - name: Build UEFIFind
         working-directory: ${{runner.workspace}}/build/UEFIFind
@@ -186,6 +186,25 @@ jobs:
           tag: ${{ github.ref }}
           file_glob: true
 
+  build_windows_mingw:
+    name: Build on Windows with MinGW
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v3
+        with:
+          version: '6.3.1'
+          host: 'windows'
+          target: 'desktop'
+          arch: 'win64_mingw'
+          
+      - name: Build everything using CMake and MinGW
+        run: |
+          cmake -G "MinGW Makefiles" -B build .
+          cmake --build build -j
+
   analyze_coverity:
     env:
       PROJECT_TYPE: TOOL

common/filesystem.h

@@ -20,7 +20,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <sys/stat.h>
 #include <fstream>
 
-#ifdef WIN32
+#if defined(_WIN32) || defined(__MINGW32__)
 #include <direct.h>
 #include <stdlib.h>
 static inline bool isExistOnFs(const UString & path) {

common/kaitai/kaitaistream.cpp

@@ -12,8 +12,8 @@
 #define __BYTE_ORDER    BYTE_ORDER
 #define __BIG_ENDIAN    BIG_ENDIAN
 #define __LITTLE_ENDIAN LITTLE_ENDIAN
-// Windows with MS compiler
-#elif defined(_MSC_VER)
+// Windows with MS or MinGW compilers
+#elif defined(_MSC_VER) || defined(__MINGW32__)
 #include <stdlib.h>
 #define __LITTLE_ENDIAN     1234
 #define __BIG_ENDIAN        4321