Webassembly linker errors

yalnte

I'm getting these errors:

shared:WARNING: object /tmp/emscripten_temp_TI8vJy_archive_contents/main.o is not valid according to llvm-nm, cannot link
shared:WARNING: object /tmp/emscripten_temp_TI8vJy_archive_contents/qwasmintegration.o is not valid according to llvm-nm, cannot link
shared:WARNING: object /tmp/emscripten_temp_TI8vJy_archive_contents/qwasmwindow.o is not valid according to llvm-nm, cannot link
shared:WARNING: object /tmp/emscripten_temp_TI8vJy_archive_contents/qwasmscreen.o is not valid according to llvm-nm, cannot link
shared:WARNING: object /tmp/emscripten_temp_TI8vJy_archive_contents/qwasmfontdatabase.o is not valid according to llvm-nm, cannot link

and

error: undefined symbol: _Z11qt_assert_xPKcS0_S0_i
warning: To disable errors for undefined symbols use `-s ERROR_ON_UNDEFINED_SYMBOLS=0`
error: undefined symbol: _Z13qFlagLocationPKc
error: undefined symbol: _Z20qResourceFeatureZlibv
error: undefined symbol: _Z21qRegisterResourceDataiPKhS0_S0_
error: undefined symbol: _Z23qUnregisterResourceDataiPKhS0_S0_
error: undefined symbol: _Z27qt_static_plugin_QGifPluginv

Any suggestions please?