incremental build failure

[RJVB]

I pulled the latest sources (#89b9d91938c47a7d73c1ec70f08d45ab8014179e -> #c6003e19b93cf45ba96d06b2e7b68efe88c501a3) and thought I only had to invoke make in my shadow build directory to get the latest binary.

Not so, so removed the CMakeCache.txt file as well as all CMake directories in the toplevel build dir, re-ran cmake with the correct local arguments, then* ran make clean followed by make and still got the error below. I had to wipe and recreate the entire shadow build directory, then the build completed without further issues.

I saw a commit mentioning .ui files and CMake, is it possible it introduced a regression (in addition to fixing something I didn't realise was broken)? FWIW, I did incremental builds before without any problems.

I saw that before on Mac but didn't want to report it until I could reproduce it on Linux ;)

[ 45%] Building CXX object src/libs/ui/CMakeFiles/Ui.dir/aboutdialog.cpp.o
cd /path/to/work/build/src/libs/ui && /opt/local/bin/clang++-mp-4.0  -DQT_CONCURRENT_LIB -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_URL_CAST_FROM_STRING -DQT_RESTRICTED_CAST_FROM_ASCII -DQT_USE_QSTRINGBUILDER -DQT_WEBKITWIDGETS_LIB -DQT_WEBKIT_LIB -DQT_WIDGETS_LIB -DQT_X11EXTRAS_LIB -DZEAL_VERSION=\"0.3.1\" -I/path/to/work/build/src/libs/ui -I/path/to/work/zeal-git/src/libs/ui -I/path/to/work/build/src/libs/ui/Ui_autogen/include -I/path/to/work/zeal-git/src/libs -isystem /opt/local/include/qt5 -isystem /opt/local/include/qt5/QtGui -isystem /opt/local/include/qt5/QtCore -isystem /opt/local/share/qt5/mkspecs/linux-g++-64 -isystem /opt/local/include/qt5/QtX11Extras -I/opt/local/include -isystem /opt/local/include/qt5/QtConcurrent -isystem /opt/local/include/qt5/QtNetwork -isystem /opt/local/include/qt5/QtWebKitWidgets -isystem /opt/local/include/qt5/QtWebKit -isystem /opt/local/include/qt5/QtWidgets  -O3 -g -std=c++11 -DNDEBUG -I/opt/local/include   -fPIC -std=gnu++11 -o CMakeFiles/Ui.dir/aboutdialog.cpp.o -c /path/to/work/zeal-git/src/libs/ui/aboutdialog.cpp
/path/to/work/zeal-git/src/libs/ui/aboutdialog.cpp:32:12: error: allocation of incomplete type 'Ui::AboutDialog'
    ui(new Ui::AboutDialog)
           ^~~~~~~~~~~~~~~
/path/to/work/zeal-git/src/libs/ui/aboutdialog.h:32:7: note: forward declaration of 'Zeal::WidgetUi::Ui::AboutDialog'
class AboutDialog;

[trollixx]

I am not a CMake guru, so not sure what exactly caused the problem. And I am not sure it makes much sense or even is possible to guarantee incremental building for a development branch.

[lock[bot]]

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