Fix CI Windows

.github/workflows/cpp_lib_with_bindings.yml

@@ -23,21 +23,30 @@ jobs:
       with:
         submodules: true
 
-#    - name: Setup interactive tmate session
-#      if: ${{ matrix.platform == 'ubuntu-latest' }}
-#      uses: mxschmitt/action-tmate@v3
-
     - name: install xorg-dev on ubuntu
       run: ./ci_scripts/install_xorg_dev.sh
 
-    - name: install pybind11
+#    - name: Setup interactive tmate session
+#      uses: mxschmitt/action-tmate@v3
+
+    - name: Build and install (*nixes)
+      if: ${{ matrix.platform != 'windows-latest' }}
+      shell: bash
       run: |
+        python3 -m venv venv
+        source venv/bin/activate
         pip install pybind11
+        mkdir build && cd build
+        cmake .. -DIMGUI_BUNDLE_BUILD_PYTHON=ON -DCMAKE_BUILD_TYPE=Release
+        cmake --build . --config Release -j 3
 
-    - name: Build and install
+    - name: Build and install (Windows)
+      if: ${{ matrix.platform == 'windows-latest' }}
       shell: bash
       run: |
-        mkdir build
-        cd build
+        python3 -m venv venv
+        source venv/Scripts/activate # only difference from *nixes...
+        pip install pybind11
+        mkdir build && cd build
         cmake .. -DIMGUI_BUNDLE_BUILD_PYTHON=ON -DCMAKE_BUILD_TYPE=Release
         cmake --build . --config Release -j 3

CMakeLists.txt

@@ -228,9 +228,11 @@ option(IMGUI_BUNDLE_BUILD_CI_AUTOMATION_TESTS "Build CI automation tests" OFF)
 # By default, imgui_bundle and hello_imgui will download and build the required
 # libraries automatically, if they cannot be found via cmake's find_package:
 #   glfw3, lunasvg, freetype, opencv
+# To build offline, you can for example pre-install the required libraries with vcpkg,
+# see below:
+#
 # C++ library, install requirements via vcpkg
 # --------------------------------------------
-# To build offline, you can for example pre-install the required libraries with vcpkg:
 #
 #    git clone https://github.com/microsoft/vcpkg
 #    ./vcpkg/bootstrap-vcpkg.sh