[KDE/Mac] Review Request 120437: [OS X] patchset to make QtCurve 1.8.18+ build and work

Marko Käning mk-lists at email.de
Tue Sep 30 20:31:22 UTC 2014 


> On Sept. 30, 2014, 9:20 p.m., Marko Käning wrote:
> > How is this supposed to be build on Qt5?
> 
> Yichao Yu wrote:
>     What exactly do you mean?
> 
> Marko Käning wrote:
>     On the CI system I have these options set:
>     ```
>     configureExtraArgs=-DQT5_BUILD=true -DCMAKE_DISABLE_FIND_PACKAGE_X11=TRUE
>     ```
>     but during build the project neither tries to build for Qt5, nor does it stop to search for the X11 libs.
>     
>     What am I missing?
> 
> Marko Käning wrote:
>     What I mean is that I would like to do what René obviously succeeded with: build this project using Qt5 on my OSX/CI system.
> 
> Yichao Yu wrote:
>     I C. I guess Rene might have more to say about this but I also have a few comments.
>     
>     1. The configure options are in the README.md file. The one that control qt5 build is `ENABLE_QT5` not `QT5_BUILD` and it should be on by default.
>     2. There shouldn't be a problem building qt5 with x11 enabled on OSX, if not, please feel free to report it.
>     3. Qtcurve looks for xcb and x11-xcb, and the option that control whether it looks for them is QTC_ENABLE_X11. It does that using pkg-config not FindX11 so `CMAKE_DISABLE_FIND_PACKAGE_X11` won't do anything.
>     
>     I don't really understand why it doesn't build for Qt5. What's the configure output?
> 
> Yichao Yu wrote:
>     Also, since Rene mentioned that the Qt4 and Qt5 versions apparently cannot be built simultaneously on OSX, you should probably turn off the Qt4 build which is also on by default with the option `ENABLE_QT4`
> 
> Marko Käning wrote:
>     With these options
>     ```
>     configureExtraArgs=-DENABLE_QT4=false -DQTC_ENABLE_X11=false -DCMAKE_DISABLE_FIND_PACKAGE_X11=true
>     ```
>     I get this:
>     ```
>     -- Found PkgConfig: /opt/local/bin/pkg-config (found version "0.28")
>     -- checking for module 'xcb'
>     --   found xcb, version 1.11
>     -- checking for module 'gtk+-2.0'
>     --   package 'gtk+-2.0' not found
>     CMake Error at /opt/kde/install/darwin/mavericks/clang/shared/general/cmake/share/cmake-3.0/Modules/FindPkgConfig.cmake:341 (message):
>       A required package was not found
>     Call Stack (most recent call first):
>       /opt/kde/install/darwin/mavericks/clang/shared/general/cmake/share/cmake-3.0/Modules/FindPkgConfig.cmake:395 (_pkg_check_modules_internal)
>       CMakeLists.txt:118 (pkg_check_modules)
>     
>     
>     Package gtk+-2.0 was not found in the pkg-config search path.
>     Perhaps you should add the directory containing `gtk+-2.0.pc'
>     to the PKG_CONFIG_PATH environment variable
>     No package 'gtk+-2.0' found
>     -- checking for modules 'cairo;pangocairo'
>     --   package 'cairo' not found
>     --   package 'pangocairo' not found
>     CMake Error at /opt/kde/install/darwin/mavericks/clang/shared/general/cmake/share/cmake-3.0/Modules/FindPkgConfig.cmake:341 (message):
>       A required package was not found
>     Call Stack (most recent call first):
>       /opt/kde/install/darwin/mavericks/clang/shared/general/cmake/share/cmake-3.0/Modules/FindPkgConfig.cmake:395 (_pkg_check_modules_internal)
>       lib/cairo/CMakeLists.txt:11 (pkg_check_modules)
>     
>     
>     CMake Error at gtk2/style/CMakeLists.txt:58 (message):
>       Cannot find gdk-pixbuf-csource.
>     
>     
>     -- Configuring incomplete, errors occurred!
>     ```
>     
>     Can I build this also w/o GTK+?
> 
> René J.V. Bertin wrote:
>     Hi Marko,
>     
>     I built for Qt5 using the following cmake arguments:
>     
>     > -DQTC_QT4_STYLE_SUPPORT:BOOL=OFF -DENABLE_QT4:BOOL=OFF -DENABLE_QT5:BOOL=ON -DQTC_QT4_ENABLE_KWIN:BOOL=OFF -DCMAKE_C_COMPILER=/opt/local/bin/gcc-mp-4.8 -DCMAKE_CXX_COMPILER=/opt/local/bin/g++-mp-4.8 -DQTC_ENABLE_X11:BOOL=OFF -DQT_QMAKE_EXECUTABLE:FILEPATH=/usr/local/bin/qmake-5.3 -DCMAKE_PREFIX_PATH=/usr/local/qt/5/5.3/clang_64/lib/cmake/ -DCMAKE_MODULE_PATH=/usr/local/qt/5/5.3/clang_64/lib/cmake
>     
>     You probably won't need to specify the compiler on 10.9 .
> 
> Marko Käning wrote:
>     Looks like there is no way around GTK+?!

This is what I get now after "sudo port install gtk2 -x11 +quartz":
```
-- Build files have been written to: /Users/marko/WC/KDECI-builds/qtcurve/build
Scanning dependencies of target qtc_gtk2_check_on_hdr
Scanning dependencies of target qtc_gtk2_check_x_on_hdr
Scanning dependencies of target qt-dump-png
Scanning dependencies of target qtc_gtk2_blank16x16_hdr
[  1%] [  4%] [  4%] [  5%] Generating check_on-png.h
Generating check_x_on-png.h
Generating blank16x16-png.h
Building C object tools/CMakeFiles/qt-dump-png.dir/qt_dump_png.c.o
failed to load "/Users/marko/WC/KDECI-builds/qtcurve/data/blank16x16.png": Couldn't recognize the image file format for file '/Users/marko/WC/KDECI-builds/qtcurve/data/blank16x16.png'
failed to load "/Users/marko/WC/KDECI-builds/qtcurve/data/check_on.png": Couldn't recognize the image file format for file '/Users/marko/WC/KDECI-builds/qtcurve/data/check_on.png'
Linking C executable qt-dump-png
failed to load "/Users/marko/WC/KDECI-builds/qtcurve/data/check_x_on.png": Couldn't recognize the image file format for file '/Users/marko/WC/KDECI-builds/qtcurve/data/check_x_on.png'
make[2]: *** [gtk2/style/blank16x16-png.h] Error 1
make[2]: *** [gtk2/style/check_on-png.h] Error 1make[1]: *** [gtk2/style/CMakeFiles/qtc_gtk2_blank16x16_hdr.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
make[2]: *** [gtk2/style/check_x_on-png.h] Error 1
make[1]: *** [gtk2/style/CMakeFiles/qtc_gtk2_check_x_on_hdr.dir/all] Error 2
make[1]: *** [gtk2/style/CMakeFiles/qtc_gtk2_check_on_hdr.dir/all] Error 2
```


- Marko


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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/120437/#review67714
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On Sept. 30, 2014, 10:01 p.m., René J.V. Bertin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/120437/
> -----------------------------------------------------------
> 
> (Updated Sept. 30, 2014, 10:01 p.m.)
> 
> 
> Review request for KDE Software on Mac OS X, André Marcelo Alvarenga, Yuri Chornoivan, and Yichao Yu.
> 
> 
> Repository: qtcurve
> 
> 
> Description
> -------
> 
> KDE is built on a cross-platform framework, and as such most applications (not directly linked to the Plasma desktop or X11) function or can be made to function fine.
> Qt will use a native style by default, but supports the same style plugins as it does on other platforms, which bring the advantage of better (more precise) and more compact layout, without by definition reducing integration with the OS X desktop.
> 
> As such, QtCurve 1.8.14 worked "out of the box" (http://kde-look.org/content/show.php?content=40492, source from http://craigd.wikispaces.com/file/view) and I created a MacPorts port for it (https://trac.macports.org/ticket/44527). With the `kde4-workspace` port installed, one has almost the full customisation experience, minus everything window-manager related of course, nor full control of window backgrounds (not allowed by Qt and/or OS X).
> 
> The current version, which has seen many changes that require X11, was less straightforward to get to work, requiring a considerable collection of small changes.
> 
> The brunt of the present patchset consists of making the code in question conditional on the presence of `Q_WS_X11`, `Q_OS_MAC`, `__MACH__` or `__APPLE__` in non Qt code and `APPLE` in the cmake files. A few patches introduce functions not available on OS X (getline) or replace them with OS X specifics (`clock_gettime` -> `mach_absolute_timer`, nicely initialised with a dylib constructor function :) ) while others simply ensure that header files are found (or inexistent ones ignored).
> The only functional guess/change I made is in `setOpacityProp()`, where I added a `w->setWindowOpacity( 0.01 * opacity )` for non Q_WS_X11 code, presuming that `prop` is simply on the 0-100 percentage as exposed in the preferences dialog.
> 
> 
> Diffs
> -----
> 
>   CMakeLists.txt f76fd1b 
>   gtk2/common/config_file.c d732ca9 
>   gtk2/style/CMakeLists.txt 01e8891 
>   gtk2/style/qt_settings.c f5a5c98 
>   lib/cairo/CMakeLists.txt c66c63c 
>   lib/utils/CMakeLists.txt 15757ed 
>   lib/utils/color.h 2c7081f 
>   lib/utils/map.c a829e9e 
>   lib/utils/process.c f2490ef 
>   lib/utils/timer.c 879451e 
>   qt4/config/CMakeLists.txt 15454e6 
>   qt4/config/exportthemedialog.h 42590ec 
>   qt4/config/exportthemedialog.cpp f39b86d 
>   qt4/kwin/CMakeLists.txt 654604b 
>   qt4/kwinconfig/CMakeLists.txt cbd8b62 
>   qt4/style/CMakeLists.txt f38d029 
>   qt4/style/qtcurve.cpp 7346c2f 
>   qt4/style/qtcurve_plugin.cpp f390da4 
>   qt5/CMakeLists.txt 1d0359e 
>   qt5/style/CMakeLists.txt b6cb222 
> 
> Diff: https://git.reviewboard.kde.org/r/120437/diff/
> 
> 
> Testing
> -------
> 
> On OS X 10.6.8 against kdelibs 4.14.1 and Qt 4.8.6 . This OS requires to build v1.8.18 with a gcc version from MacPorts in order to get the necessary C++11 support; newer OS versions will use a recent clang version (system compiler).
> 
> - Qt4/KDE4 support: OK (see screenshot)
> - GTk2 support: OK
> - X11 support: builds but I have no idea what it's supposed to do
> - Qt5 support: OK (against Qt 5.3.1 obtained with Digia's installer)
> 
> I tested building on Linux (Kubuntu 14.04, KDE SC 4.13.3, using clang 3.4) after the 2nd update to the patchset and that worked fine.
> One issue that could use attention is the Qt5 detection: Qt5.3 is apparently required and `ENABLE_QT5` is not unset when an earlier Qt5 version is found instead.
> 
> 
> File Attachments
> ----------------
> 
> sample showing a native file dialog for comparison
>   https://git.reviewboard.kde.org/media/uploaded/files/2014/09/30/02545bef-04d2-4a45-8955-e13bf7d063a0__Screen_shot_2014-09-30_at_14.05.54.png
> KDE4 systemsettings and the QtCurve configuration dialog
>   https://git.reviewboard.kde.org/media/uploaded/files/2014/09/30/fe5564f2-5e4e-485a-96d7-d192ff104261__QtCurve-1818.png
> KDE4 systemsettings and QtCurve config dialog with QtCuve 1.8.14, for comparison
>   https://git.reviewboard.kde.org/media/uploaded/files/2014/09/30/6bd8dd5a-9b94-43c3-88d9-c9be32a56b72__QtCurve-1814.png
> a little convenience file for uploading to RB from KDevelop
>   https://git.reviewboard.kde.org/media/uploaded/files/2014/09/30/39207a85-4092-4ea1-a181-051d0db5bb96__.reviewboardrc
> 
> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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