set ENV 'GITHUB_ACTIONS' on GitHub Actions Workflow

Author: Paulchen-Panther

.github/workflows/qt5_6.yml

@@ -251,7 +251,7 @@ jobs:
       - name: 👷 Build ${{ env.HINT }}
         shell: cmd
         run: |
-           cmake --preset windows-${{ env.BUILD_TYPE }} -DGITHUB_ACTIONS ${{ steps.dependencies.outputs.cmakeArgs }}
+           cmake --preset windows-${{ env.BUILD_TYPE }} ${{ steps.dependencies.outputs.cmakeArgs }}
            cmake --build --preset windows-${{ env.BUILD_TYPE }} --target package
         env:
           BUILD_TYPE: ${{ inputs.event_name == 'pull_request' && 'debug' || 'release' }}

libsrc/python/CMakeLists.txt

@@ -47,3 +47,7 @@ target_compile_definitions(python PRIVATE
 	PYTHON_VERSION_MAJOR=${PYTHON_VERSION_MAJOR}
 	PYTHON_VERSION_MINOR=${PYTHON_VERSION_MINOR}
 )
+
+if(DEFINED ENV{GITHUB_ACTIONS})
+	target_compile_definitions(python PUBLIC GITHUB_ACTIONS)
+endif()