[Solved] error: [debug/moc_mainwindow.cpp] Error 1



  • I am getting an error: [debug/moc_mainwindow.cpp] Error 1
    Here is the output from the "Compile Output" tab:
    Running build steps for project ExtremeImageConverter...
    Starting: "c:/qt/2010.05/qt/bin/qmake.exe" C:/My Dropbox/Extreme Image Converter/Extreme Image Converter/ExtremeImageConverter.pro -r -spec win32-g++
    The process "c:/qt/2010.05/qt/bin/qmake.exe" exited normally.
    Starting: "C:/Qt/2010.05/mingw/bin/mingw32-make.exe" -w
    mingw32-make: Entering directory `C:/My Dropbox/Extreme Image Converter/ExtremeImageConverter-build-desktop'

    C:/Qt/2010.05/mingw/bin/mingw32-make -f Makefile.Debug

    mingw32-make[1]: Entering directory `C:/My Dropbox/Extreme Image Converter/ExtremeImageConverter-build-desktop'

    c:\Qt\2010.05\qt\bin\uic.exe "..\Extreme Image Converter\mainwindow.ui" -o ui_mainwindow.h

    g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"......\Qt\2010.05\qt\include\QtCore" -I"......\Qt\2010.05\qt\include\QtGui" -I"......\Qt\2010.05\qt\include" -I"......\Qt\2010.05\qt\include\ActiveQt" -I"debug" -I"." -I"..\Extreme Image Converter" -I"." -I"......\Qt\2010.05\qt\mkspecs\win32-g++" -o debug\main.o "..\Extreme Image Converter\main.cpp"

    g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"......\Qt\2010.05\qt\include\QtCore" -I"......\Qt\2010.05\qt\include\QtGui" -I"......\Qt\2010.05\qt\include" -I"......\Qt\2010.05\qt\include\ActiveQt" -I"debug" -I"." -I"..\Extreme Image Converter" -I"." -I"......\Qt\2010.05\qt\mkspecs\win32-g++" -o debug\mainwindow.o "..\Extreme Image Converter\mainwindow.cpp"

    g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"......\Qt\2010.05\qt\include\QtCore" -I"......\Qt\2010.05\qt\include\QtGui" -I"......\Qt\2010.05\qt\include" -I"......\Qt\2010.05\qt\include\ActiveQt" -I"debug" -I"." -I"..\Extreme Image Converter" -I"." -I"......\Qt\2010.05\qt\mkspecs\win32-g++" -o debug\imageconverter.o "..\Extreme Image Converter\imageconverter.cpp"

    C:\Qt\2010.05\qt\bin\moc.exe -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"......\Qt\2010.05\qt\include\QtCore" -I"......\Qt\2010.05\qt\include\QtGui" -I"......\Qt\2010.05\qt\include" -I"......\Qt\2010.05\qt\include\ActiveQt" -I"debug" -I"." -I"..\Extreme Image Converter" -I"." -I"......\Qt\2010.05\qt\mkspecs\win32-g++" -D__GNUC__ -DWIN32 ..\Extreme Image Converter\mainwindow.h -o debug\moc_mainwindow.cpp

    moc: Too many input files specified

    Usage: moc [options] <header-file>

    -o<file> write output to file rather than stdout

    -I<dir> add dir to the include path for header files

    -E preprocess only; do not generate meta object code

    -D<macro>[=<def>] define macro, with optional definition

    -U<macro> undefine macro

    -i do not generate an #include statement

    -p<path> path prefix for included file

    -f[<file>] force #include, optional file name

    -nw do not display warnings

    @<file> read additional options from file

    -v display version of moc

    mingw32-make[1]: Leaving directory `C:/My Dropbox/Extreme Image Converter/ExtremeImageConverter-build-desktop'

    mingw32-make: Leaving directory `C:/My Dropbox/Extreme Image Converter/ExtremeImageConverter-build-desktop'

    mingw32-make[1]: *** [debug/moc_mainwindow.cpp] Error 1

    mingw32-make: *** [debug] Error 2

    The process "C:/Qt/2010.05/mingw/bin/mingw32-make.exe" exited with code %2.
    Error while building project ExtremeImageConverter (target: Desktop)
    When executing build step 'Make'



  • Hm, for some reason path for moc'ed file is not wrapped with quotes. You wrote makefile by yourself or generated it with qmake/cmake? If first doublcheck it for paths.



  • It is generated by Qmake.



  • can you post it here? maybe there are some problems.



  • [removed]



  • oops, I meant .pro file :)



  • [removed]

    I don't see anything wrong with it. It built fine until today. I just moved the project to a different location on my hard drive.

    I remember having this problem once, but I don't remember how I fixed it.



  • Try to remove .pro.user file at new location and open project again in QtCreator.



  • I tried that. Same.



  • I just uninstalled and reinstalled the Qt SDK, but it didn't change anything. I also tried copying the files again, even to a different place. It is still not building.



  • I created a new empty project, imported the old files, and now it's working!



  • Your Build directory path must not contain spaces.. In your case `C:/My Dropbox/Extreme Image Converter/ExtremeImageConverter-build-desktop’ contains spaces..



  • @szh1 said:

    [debug/moc_mainwindow.cpp] Error 1

    I know this is a very old post but I've just bumped into it. This could be helpful.
    This kind of errors:
    [debug/moc_mainwindow.cpp] Error 1
    [debug/moc_*cpp] Error 1

    might come when declaring class data members in the slots / signals section by mistake.



  • Remove your file from project (not permanently) than add again with "Add Existing Files"


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