Build simple QML on WebAssembly
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wrote on 31 Jul 2020, 12:52 last edited by kirill_f 8 Feb 2020, 10:17
Hello everyone,
I'm trying to build my first app on WebAssembly.
My setup:- Windows 10
- Qt 5.15
- emsdk install/activate sdk-fastcomp-1.39.7-64bit
- corrected .emscripten config file in home directory, so Qt Creator could find emscripten
But I stuck with the same build/compile error:
14:40:44: Running steps for project untitled1... 14:40:44: Starting: "D:\Projects\Qt\_SDK\emsdk\emsdk_env.bat" Adding directories to PATH: PATH += D:\Projects\Qt\_SDK\emsdk PATH += D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten PATH += D:\Projects\Qt\_SDK\emsdk\node\12.18.1_64bit\bin PATH += D:\Projects\Qt\_SDK\emsdk\python\3.7.4-pywin32_64bit PATH += D:\Projects\Qt\_SDK\emsdk\java\8.152_64bit\bin Setting environment variables: EMSDK = D:/Projects/Qt/_SDK/emsdk EM_CONFIG = D:\Projects\Qt\_SDK\emsdk\.emscripten EM_CACHE = D:/Projects/Qt/_SDK/emsdk/fastcomp/emscripten\cache EMSDK_NODE = D:\Projects\Qt\_SDK\emsdk\node\12.18.1_64bit\bin\node.exe EMSDK_PYTHON = D:\Projects\Qt\_SDK\emsdk\python\3.7.4-pywin32_64bit\python.exe JAVA_HOME = D:\Projects\Qt\_SDK\emsdk\java\8.152_64bit 14:40:45: The process "D:\Projects\Qt\_SDK\emsdk\emsdk_env.bat" exited normally. 14:40:45: Configuration unchanged, skipping qmake step. 14:40:45: Starting: "D:\Qt\Tools\mingw810_64\bin\mingw32-make.exe" -j8 D:\Qt\5.15.0\wasm_32\bin\qmake.exe -install sed -e s/@APPNAME@/untitled1/g D:/Qt/5.15.0/wasm_32/plugins/platforms/wasm_shell.html > D:/Projects/Qt/_Builds/build-untitled1-Qt_5_15_0_WebAssembly-Debug/untitled1.html copy /y D:\Qt\5.15.0\wasm_32\plugins\platforms\qtloader.js D:\Projects\Qt\_Builds\build-untitled1-Qt_5_15_0_WebAssembly-Debug copy /y D:\Qt\5.15.0\wasm_32\plugins\platforms\qtlogo.svg D:\Projects\Qt\_Builds\build-untitled1-Qt_5_15_0_WebAssembly-Debug 1 file(s) copied. 1 file(s) copied. em++ -s WASM=1 -s FULL_ES2=1 -s FULL_ES3=1 -s USE_WEBGL2=1 -s EXIT_RUNTIME=1 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=["UTF16ToString","stringToUTF16"] --bind -s FETCH=1 -g -s WASM=1 -s FULL_ES2=1 -s FULL_ES3=1 -s USE_WEBGL2=1 -s EXIT_RUNTIME=1 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=["UTF16ToString","stringToUTF16"] --bind -s FETCH=1 -s ASSERTIONS=2 -s DEMANGLE_SUPPORT=1 -s GL_DEBUG=1 -s ALLOW_MEMORY_GROWTH=1 --source-map-base http://localhost:8000/ -o .\untitled1.js main.obj untitled1.js_plugin_import.obj untitled1.js_qml_plugin_import.obj qrc_qml.obj D:/Qt/5.15.0/wasm_32/plugins/platforms/libqwasm.a D:/Qt/5.15.0/wasm_32/lib/libQt5EventDispatcherSupport.a D:/Qt/5.15.0/wasm_32/lib/libQt5FontDatabaseSupport.a D:/Qt/5.15.0/wasm_32/lib/libqtfreetype.a D:/Qt/5.15.0/wasm_32/lib/libQt5EglSupport.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqgif.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqicns.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqico.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqjpeg.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqtga.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqtiff.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqwbmp.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqwebp.a D:/Qt/5.15.0/wasm_32/qml/QtQuick.2/libqtquick2plugin.a D:/Qt/5.15.0/wasm_32/qml/QtQuick/Window.2/libwindowplugin.a D:/Qt/5.15.0/wasm_32/lib/libQt5Quick.a D:/Qt/5.15.0/wasm_32/lib/libQt5QmlModels.a D:/Qt/5.15.0/wasm_32/lib/libQt5Qml.a D:/Qt/5.15.0/wasm_32/lib/libQt5Gui.a D:/Qt/5.15.0/wasm_32/lib/libqtlibpng.a D:/Qt/5.15.0/wasm_32/lib/libqtharfbuzz.a D:/Qt/5.15.0/wasm_32/lib/libQt5Network.a D:/Qt/5.15.0/wasm_32/lib/libQt5Core.a D:/Qt/5.15.0/wasm_32/lib/libqtpcre2.a Exception in thread Thread-6: Traceback (most recent call last): File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\threading.py", line 926, in _bootstrap_inner File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\threading.py", line 870, in run File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 1238, in _readerthread File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\cp1252.py", line 23, in decode UnicodeDecodeError: 'charmap' codec can't decode byte 0x8f in position 17942: character maps to <undefined> multiprocessing.pool.RemoteTraceback: """ Traceback (most recent call last): File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 121, in worker File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 44, in mapstar File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 1305, in g_llvm_nm_uncached return Building.llvm_nm_uncached(filename) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 2116, in llvm_nm_uncached proc = run_process([LLVM_NM, filename], stdout=stdout, stderr=stderr, check=False) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 181, in run_process ret = subprocess.run(cmd, check=check, input=input, *args, **kw) File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 474, in run File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 939, in communicate File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 1290, in _communicate IndexError: list index out of range """ The above exception was the direct cause of the following exception: Traceback (most recent call last): File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\emcc.py", line 3905, in <module> sys.exit(run(sys.argv)) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\emcc.py", line 2205, in run extra_files_to_link += system_libs.calculate([f for _, f in sorted(temp_files)] + extra_files_to_link, in_temp, stdout_=None, stderr_=None, forced=forced_stdlibs) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\system_libs.py", line 1364, in calculate symbolses = shared.Building.parallel_llvm_nm([os.path.abspath(t) for t in temp_files]) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 1682, in parallel_llvm_nm object_contents = pool.map(g_llvm_nm_uncached, files) File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 268, in map File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 657, in get IndexError: list index out of range mingw32-make: *** [Makefile:73: .\untitled1.js] Error 1 14:40:49: The process "D:\Qt\Tools\mingw810_64\bin\mingw32-make.exe" exited with code 2. Error while building/deploying project untitled1 (kit: Qt 5.15.0 WebAssembly) When executing step "Make" 14:40:49: Elapsed time: 00:05.
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Hello everyone,
I'm trying to build my first app on WebAssembly.
My setup:- Windows 10
- Qt 5.15
- emsdk install/activate sdk-fastcomp-1.39.7-64bit
- corrected .emscripten config file in home directory, so Qt Creator could find emscripten
But I stuck with the same build/compile error:
14:40:44: Running steps for project untitled1... 14:40:44: Starting: "D:\Projects\Qt\_SDK\emsdk\emsdk_env.bat" Adding directories to PATH: PATH += D:\Projects\Qt\_SDK\emsdk PATH += D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten PATH += D:\Projects\Qt\_SDK\emsdk\node\12.18.1_64bit\bin PATH += D:\Projects\Qt\_SDK\emsdk\python\3.7.4-pywin32_64bit PATH += D:\Projects\Qt\_SDK\emsdk\java\8.152_64bit\bin Setting environment variables: EMSDK = D:/Projects/Qt/_SDK/emsdk EM_CONFIG = D:\Projects\Qt\_SDK\emsdk\.emscripten EM_CACHE = D:/Projects/Qt/_SDK/emsdk/fastcomp/emscripten\cache EMSDK_NODE = D:\Projects\Qt\_SDK\emsdk\node\12.18.1_64bit\bin\node.exe EMSDK_PYTHON = D:\Projects\Qt\_SDK\emsdk\python\3.7.4-pywin32_64bit\python.exe JAVA_HOME = D:\Projects\Qt\_SDK\emsdk\java\8.152_64bit 14:40:45: The process "D:\Projects\Qt\_SDK\emsdk\emsdk_env.bat" exited normally. 14:40:45: Configuration unchanged, skipping qmake step. 14:40:45: Starting: "D:\Qt\Tools\mingw810_64\bin\mingw32-make.exe" -j8 D:\Qt\5.15.0\wasm_32\bin\qmake.exe -install sed -e s/@APPNAME@/untitled1/g D:/Qt/5.15.0/wasm_32/plugins/platforms/wasm_shell.html > D:/Projects/Qt/_Builds/build-untitled1-Qt_5_15_0_WebAssembly-Debug/untitled1.html copy /y D:\Qt\5.15.0\wasm_32\plugins\platforms\qtloader.js D:\Projects\Qt\_Builds\build-untitled1-Qt_5_15_0_WebAssembly-Debug copy /y D:\Qt\5.15.0\wasm_32\plugins\platforms\qtlogo.svg D:\Projects\Qt\_Builds\build-untitled1-Qt_5_15_0_WebAssembly-Debug 1 file(s) copied. 1 file(s) copied. em++ -s WASM=1 -s FULL_ES2=1 -s FULL_ES3=1 -s USE_WEBGL2=1 -s EXIT_RUNTIME=1 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=["UTF16ToString","stringToUTF16"] --bind -s FETCH=1 -g -s WASM=1 -s FULL_ES2=1 -s FULL_ES3=1 -s USE_WEBGL2=1 -s EXIT_RUNTIME=1 -s ERROR_ON_UNDEFINED_SYMBOLS=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=["UTF16ToString","stringToUTF16"] --bind -s FETCH=1 -s ASSERTIONS=2 -s DEMANGLE_SUPPORT=1 -s GL_DEBUG=1 -s ALLOW_MEMORY_GROWTH=1 --source-map-base http://localhost:8000/ -o .\untitled1.js main.obj untitled1.js_plugin_import.obj untitled1.js_qml_plugin_import.obj qrc_qml.obj D:/Qt/5.15.0/wasm_32/plugins/platforms/libqwasm.a D:/Qt/5.15.0/wasm_32/lib/libQt5EventDispatcherSupport.a D:/Qt/5.15.0/wasm_32/lib/libQt5FontDatabaseSupport.a D:/Qt/5.15.0/wasm_32/lib/libqtfreetype.a D:/Qt/5.15.0/wasm_32/lib/libQt5EglSupport.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqgif.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqicns.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqico.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqjpeg.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqtga.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqtiff.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqwbmp.a D:/Qt/5.15.0/wasm_32/plugins/imageformats/libqwebp.a D:/Qt/5.15.0/wasm_32/qml/QtQuick.2/libqtquick2plugin.a D:/Qt/5.15.0/wasm_32/qml/QtQuick/Window.2/libwindowplugin.a D:/Qt/5.15.0/wasm_32/lib/libQt5Quick.a D:/Qt/5.15.0/wasm_32/lib/libQt5QmlModels.a D:/Qt/5.15.0/wasm_32/lib/libQt5Qml.a D:/Qt/5.15.0/wasm_32/lib/libQt5Gui.a D:/Qt/5.15.0/wasm_32/lib/libqtlibpng.a D:/Qt/5.15.0/wasm_32/lib/libqtharfbuzz.a D:/Qt/5.15.0/wasm_32/lib/libQt5Network.a D:/Qt/5.15.0/wasm_32/lib/libQt5Core.a D:/Qt/5.15.0/wasm_32/lib/libqtpcre2.a Exception in thread Thread-6: Traceback (most recent call last): File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\threading.py", line 926, in _bootstrap_inner File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\threading.py", line 870, in run File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 1238, in _readerthread File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\cp1252.py", line 23, in decode UnicodeDecodeError: 'charmap' codec can't decode byte 0x8f in position 17942: character maps to <undefined> multiprocessing.pool.RemoteTraceback: """ Traceback (most recent call last): File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 121, in worker File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 44, in mapstar File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 1305, in g_llvm_nm_uncached return Building.llvm_nm_uncached(filename) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 2116, in llvm_nm_uncached proc = run_process([LLVM_NM, filename], stdout=stdout, stderr=stderr, check=False) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 181, in run_process ret = subprocess.run(cmd, check=check, input=input, *args, **kw) File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 474, in run File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 939, in communicate File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\subprocess.py", line 1290, in _communicate IndexError: list index out of range """ The above exception was the direct cause of the following exception: Traceback (most recent call last): File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\emcc.py", line 3905, in <module> sys.exit(run(sys.argv)) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\emcc.py", line 2205, in run extra_files_to_link += system_libs.calculate([f for _, f in sorted(temp_files)] + extra_files_to_link, in_temp, stdout_=None, stderr_=None, forced=forced_stdlibs) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\system_libs.py", line 1364, in calculate symbolses = shared.Building.parallel_llvm_nm([os.path.abspath(t) for t in temp_files]) File "D:\Projects\Qt\_SDK\emsdk\fastcomp\emscripten\tools\shared.py", line 1682, in parallel_llvm_nm object_contents = pool.map(g_llvm_nm_uncached, files) File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 268, in map File "D:\obj\windows-release\37amd64_Release\msi_python\zip_amd64\pool.py", line 657, in get IndexError: list index out of range mingw32-make: *** [Makefile:73: .\untitled1.js] Error 1 14:40:49: The process "D:\Qt\Tools\mingw810_64\bin\mingw32-make.exe" exited with code 2. Error while building/deploying project untitled1 (kit: Qt 5.15.0 WebAssembly) When executing step "Make" 14:40:49: Elapsed time: 00:05.
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