Add_link_options mwindows on GCC windows

Author: azonenberg

.github/workflows/build-windows.yml

@@ -86,12 +86,6 @@ jobs:
         name: ngscopeclient-build-windows-${{ runner.os }}-${{ matrix.env }}-${{ github.job }}
         path: build
 
-    # - name: Upload Artifacts
-    #   uses: actions/upload-artifact@v4
-    #   with:
-    #     name: glscopeclient-windows-${{ runner.os }}-${{ github.job }}
-    #     path: msys2/*.zst
-
     - name: Upload Artifacts (ngscopeclient portable zip)
       if: ${{ matrix.sys == 'ucrt64' }}
       uses: actions/upload-artifact@v4

src/ngscopeclient/CMakeLists.txt

@@ -25,8 +25,13 @@ endif()
 if(WIN32)
 	if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
 		add_link_options(-Wl,/SUBSYSTEM:WINDOWS)
+		message(STATUS "using Clang on windows, setting win32 subsystem via linker option")
 	elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+		message(STATUS "Using gcc on windows, setting -mwindows to use win32 subsystem")
 		add_compile_options(-mwindows)
+		add_link_options(-mwindows)
+	else()
+		message(STATUS "Unknown windows compiler")
 	endif()
 endif()