Configuring a CMake-based Qt WASM project fails if emsdk path has spaces

[cmake] Running /usr/bin/cmake -S /home/alportal/dev/qtcreator-bug-snippets/QTCREATORBUG-25030/qtwidgets -B /home/alportal/dev/qtcreator-bug-snippets/QTCREATORBUG-25030/build-qtwidgets-WebAssembly_Qt_6_5_1_single_threaded-Debug -DCMAKE_GENERATOR:STRING=Ninja -DCMAKE_BUILD_TYPE:STRING=Debug -DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=/home/alportal/dev/qtcreator-bug-snippets/QTCREATORBUG-25030/build-qtwidgets-WebAssembly_Qt_6_5_1_single_threaded-Debug/.qtc/package-manager/auto-setup.cmake -DQT_QMAKE_EXECUTABLE:FILEPATH=/home/alportal/Qt/6.5.1/wasm_singlethread/bin/qmake -DCMAKE_PREFIX_PATH:PATH=/home/alportal/Qt/6.5.1/wasm_singlethread '-DCMAKE_C_COMPILER:FILEPATH=/home/alportal/em sdk/upstream/emscripten/emcc' '-DCMAKE_CXX_COMPILER:FILEPATH=/home/alportal/em sdk/upstream/emscripten/em++' -DCMAKE_TOOLCHAIN_FILE:FILEPATH=/home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6/qt.toolchain.cmake -DCMAKE_CXX_FLAGS_INIT:STRING=-DQT_QML_DEBUG in /home/alportal/dev/qtcreator-bug-snippets/QTCREATORBUG-25030/build-qtwidgets-WebAssembly_Qt_6_5_1_single_threaded-Debug.
[cmake] -- Using Qt bundled ZLIB.
[cmake] -- Found WrapZLIB: TRUE  
[cmake] -- Performing Test HAVE_STDATOMIC
[cmake] -- Performing Test HAVE_STDATOMIC - Success
[cmake] -- Found WrapAtomic: TRUE  
[cmake] -- Using Qt bundled PCRE2.
[cmake] -- Found WrapPCRE2: TRUE  
[cmake] -- Performing Test HAVE_GETTIME
[cmake] -- Performing Test HAVE_GETTIME - Success
[cmake] -- Found WrapRt: TRUE  
[cmake] -- Found GLESv2: ON  
[cmake] -- Performing Test HAVE_EGL
[cmake] -- Performing Test HAVE_EGL - Success
[cmake] -- Found EGL: /home/alportal/em sdk/upstream/emscripten/cache/sysroot/include (found version "1.5") 
[cmake] -- Using Qt bundled PNG.
[cmake] -- Found WrapPNG: TRUE  
[cmake] -- Using Qt bundled Harfbuzz.
[cmake] -- Found WrapHarfbuzz: TRUE  
[cmake] -- Using Qt bundled Freetype.
[cmake] -- Found WrapFreetype: TRUE  
[cmake] -- Using Qt bundled Jpeg.
[cmake] -- Found WrapJpeg: TRUE  
[cmake] CMake Error at /home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6/QtPublicWasmToolchainHelpers.cmake:43 (message):
[cmake]   Couldn't determine Emscripten version from running /home/alportal/em\
[cmake]   sdk/upstream/emscripten/emcc --version.  Error:
[cmake] Call Stack (most recent call first):
[cmake]   /home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6/QtPublicWasmToolchainHelpers.cmake:95 (__qt_internal_query_emsdk_version)
[cmake]   /home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6Core/Qt6WasmMacros.cmake:7 (_qt_test_emscripten_version)
[cmake]   /home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:642 (_qt_internal_wasm_add_target_helpers)
[cmake]   /home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:709 (_qt_internal_finalize_executable)
[cmake]   /home/alportal/Qt/6.5.1/wasm_singlethread/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:749 (qt6_finalize_target)
[cmake]   CMakeLists.txt:63 (qt_finalize_executable)
[cmake] 
[cmake] 
[cmake] -- Configuring incomplete, errors occurred!
[cmake] 
[cmake] CMake process exited with exit code 1.
[cmake] 
[cmake] Elapsed time: 00:04.