Add CI/CD building script using MinGW64

.github/workflows/build_wglinfo_mingw.yml

@@ -0,0 +1,46 @@
+# This workflow will build wglinfo on Windows
+name: Build (MinGW64)
+
+on: [push]
+
+jobs:
+  build-windows-mingw:
+    name: Build on Windows with GCC
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+      with:
+        fetch-depth: 0
+
+    - name: Setup MSYS2
+      uses: msys2/setup-msys2@v2
+      with:
+        msystem: ucrt64
+        update: true
+        install: >-
+          git
+          make
+        pacboy: >-
+          toolchain:p
+          cmake:p
+          ninja:p
+
+    - name: Configure wglinfo
+      run: |
+        mkdir "build"
+        cmake -G Ninja -D BUILD_TREAT_WARNINGS_AS_ERRORS=ON -S . -B "./build"
+
+    - name: Build wglinfo
+      run: |
+        cmake --build "./build" --config Release
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: wglinfo-mingw
+        path: build/wglinfo.exe

.github/workflows/build_wglinfo_msvc.yml

@@ -11,8 +11,10 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
+      with:
+        fetch-depth: 0
 
-    - name: Set up MSVC
+    - name: Setup MSVC
       uses: ilammy/msvc-dev-cmd@v1.13.0
       with:
         arch: x64

CMakeLists.txt

@@ -10,9 +10,19 @@ set (CMAKE_CXX_STANDARD 11)
 if (MSVC)
   set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:precise /EHa /MP")
   string (REGEX REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-  add_definitions (-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE -DUNICODE)
+  add_definitions (-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE)
+  # static linking with CRT
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
+  #set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
 else()
   set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions -fPIC")
+  if (WIN32)
+    # force static linking to gcc C++ runtime libraries
+    set (CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++ ${CMAKE_EXE_LINKER_FLAGS}")
+  endif()
+endif()
+if (WIN32)
+  add_definitions(-DUNICODE)
 endif()
 
 set (BUILD_TREAT_WARNINGS_AS_ERRORS OFF CACHE BOOL "Treat compilation warnings as errors")
@@ -37,8 +47,19 @@ endif()
 # Find OpenGL
 find_package (OpenGL REQUIRED)
 
+set (USED_SRCFILES "wglinfo.cpp")
+set (USED_RCFILE "")
+if (WIN32)
+  set (USED_RCFILE "wglinfo.rc")
+endif()
+
 # main project target
 add_executable (${PROJECT_NAME}
-  wglinfo.cpp
+  ${USED_SRCFILES} ${RESOURCE_FILES}
 )
 target_link_libraries (${PROJECT_NAME} PRIVATE ${OPENGL_LIBRARIES})
+
+# force static linking to winpthreads
+if (WIN32 AND CMAKE_COMPILER_IS_GNUCXX)
+  target_link_libraries (${PROJECT_NAME} PRIVATE -static gcc stdc++ winpthread -dynamic)
+endif()

README.md

@@ -4,6 +4,7 @@ wglinfo - command line tool for printing OpenGL information on Windows platform
 [![Downloads](https://img.shields.io/github/downloads/gkv311/wglinfo/total.svg)](https://github.com/gkv311/wglinfo/releases)
 [![License: GPL v3](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/gkv311/wglinfo/blob/master/LICENSE.txt)
 [![Status](https://github.com/gkv311/wglinfo/actions/workflows/build_wglinfo_msvc.yml/badge.svg?branch=master)](https://github.com/gkv311/wglinfo/actions?query=branch%3Amaster)
+[![Status](https://github.com/gkv311/wglinfo/actions/workflows/build_wglinfo_mingw.yml/badge.svg?branch=master)](https://github.com/gkv311/wglinfo/actions?query=branch%3Amaster)
 
 wglinfo is a small utility printing information about OpenGL library available in Windows system in similar way as glxinfo does on Linux.
 In case, if libEGL.dll (e.g. Angle or another implementation) is in PATH, it also prints information about EGL/GLES.

wglinfo.cpp

@@ -15,6 +15,12 @@
 
 #include <GL/gl.h>
 
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
+  #if (__GNUC__ > 8) || ((__GNUC__ == 8) && (__GNUC_MINOR__ >= 1))
+    #pragma GCC diagnostic ignored "-Wcast-function-type"
+  #endif
+#endif
+
 //! Window creation tool.
 struct GlWindow
 {
@@ -1184,7 +1190,7 @@ class EglInfoWindow
 
 };
 
-int actual_main (int theNbArgs, char** theArgVec)
+static int actual_main (int theNbArgs, const char** theArgVec)
 {
   bool isVerbose = false, toPrintVisuals = true, toShowEgl = true;
   for (int anArgIter = 1; anArgIter < theNbArgs; ++anArgIter)
@@ -1211,7 +1217,7 @@ int actual_main (int theNbArgs, char** theArgVec)
     else
     {
       std::cerr << "Syntax error! Unknown argument '" << theArgVec[anArgIter] << "'\n\n";
-      char* anArgs[2] = { theArgVec[0], "-h" };
+      const char* anArgs[2] = { theArgVec[0], "-h" };
       actual_main (2, anArgs);
       return 1;
     }
@@ -1252,7 +1258,7 @@ int actual_main (int theNbArgs, char** theArgVec)
   return 0;
 }
 
-int main(int argc, char** argv)
+int main(int argc, const char** argv)
 {
   return actual_main(argc, argv);
 }