Enabled CI MSVC build jobs.

.github/workflows/jobs.yml

@@ -1,29 +1,45 @@
 name: libQGLViewer
-on: [push, pull_request]
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
 jobs:
-  buildQt5:
-    runs-on: ubuntu-latest
+  build:
+    strategy:
+      matrix:
+        include:
+          - runner: 'ubuntu-latest'
+            qtVersion: '6.2.2'
+          - runner: 'ubuntu-latest'
+            qtVersion: '5.15.2'
+#          - runner: 'macOS-11'
+#            qtVersion: '6.2.2'
+          - runner: 'windows-2019'
+            qtVersion: '6.2.2'
+            qtArch: 'win64_msvc2019_64'
+          - runner: 'windows-2019'
+            qtVersion: '5.15.2'
+            qtArch: 'win64_msvc2019_64'
+    runs-on: ${{ matrix.runner }}
     steps:
-      - name: Check out repository code
-        uses: actions/checkout@v3
-      - name: Install dependencies
-        run: sudo apt-get install -y build-essential qtbase5-dev libglu1-mesa-dev
-      - name: Build all
+      - uses: actions/checkout@v3
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v3
+        with:
+          version: ${{ matrix.qtVersion }}
+          arch: ${{ matrix.qtArch }}
+          cache: true
+
+      - name: Install GLU
+        if: startsWith(matrix.runner, 'ubuntu')
+        run: sudo apt-get install -y libglu1-mesa-dev          
+
+      - name: Build QGLViewer
         run: |
-          mkdir build
-          cd build
-          cmake ..
-          make all
-  buildQt6:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v3
-      - name: Install dependencies
-        run: sudo apt-get install -y build-essential qt6-base-dev libglu1-mesa-dev
-      - name: Build all
-        run: |
-          mkdir build
-          cd build
-          cmake ..
-          make all
+           mkdir build
+           cmake -B build -S .
+           cmake --build build --config Release

CMakeLists.txt

@@ -62,6 +62,15 @@ add_library(QGLViewer SHARED ${QGLViewer_SRC})
 target_include_directories(QGLViewer INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(QGLViewer PRIVATE ${QtLibs} OpenGL::GL OpenGL::GLU)
 
+if(MSVC)
+    # Avoid a compiler error when using std::min/std::max.
+    target_compile_definitions(QGLViewer PRIVATE NOMINMAX)
+endif()
+
+if(WIN32)
+    target_compile_definitions(QGLViewer PRIVATE CREATE_QGLVIEWER_DLL)
+endif()
+
 # Example: animation.
 set(animation_SRC
     "${PROJECT_SOURCE_DIR}/examples/animation/animation.cpp"

QGLViewer/VRender/NVector3.h

@@ -7,6 +7,8 @@
 namespace vrender
 {
   class Vector3;
+  class NVector3;
+  std::ostream& operator<<(std::ostream &out,const NVector3 &u);
 
   class NVector3
   {

QGLViewer/VRender/Primitive.h

@@ -21,6 +21,7 @@ namespace vrender
 {
 	class Feedback3DColor ;
 	class Primitive ;
+	std::ostream& operator<<(std::ostream&, const Feedback3DColor&) ;
 
 #define EPS_SMOOTH_LINE_FACTOR 0.06  /* Lower for better smooth lines. */
 

QGLViewer/VRender/Vector2.h

@@ -6,7 +6,9 @@
 
 namespace vrender
 {
+  class Vector2;
   class Vector3;
+  std::ostream& operator<< (std::ostream&,const Vector2&);
 
   class Vector2
 	{

QGLViewer/VRender/Vector3.h

@@ -10,6 +10,8 @@
 namespace vrender
 {
   class NVector3;
+  class Vector3;
+  std::ostream& operator<< (std::ostream&, const Vector3&);
 
 	class Vector3
 	{