Review Request 111612: Add basic support for clang in FindKDE4Internal.cmake

Commit Hook null at kde.org
Tue Aug 6 20:27:04 UTC 2013


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This review has been submitted with commit 7148da9c94527ced3804c39662fa48756b091178 by Milian Wolff to branch KDE/4.11.

- Commit Hook


On July 21, 2013, 7:09 p.m., Milian Wolff wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/111612/
> -----------------------------------------------------------
> 
> (Updated July 21, 2013, 7:09 p.m.)
> 
> 
> Review request for Build System, Andreas Pakulat, Alexander Neundorf, and Stephen Kelly.
> 
> 
> Description
> -------
> 
> When building KDE applications with clang, multiple issues arise:
> 
> - debugfull is not supported at all, it's as if one gives an 'invalid' build type to cmake (i.e. neither -O nor -g is present)
> - most of the "pedantic" flags are not set properly, such as those that ensure proper visibility macros etc. pp.
> - none of the above is communicated to the developer, the might compile for him but not work as expected or he will introduce issues for others (like the windows guys)
> 
> This patch lets clang use the same codepaths as gcc which works due to its CLI compatibility interface.
> 
> 
> Diffs
> -----
> 
>   cmake/modules/FindKDE4Internal.cmake 98a6f48 
> 
> Diff: http://git.reviewboard.kde.org/r/111612/diff/
> 
> 
> Testing
> -------
> 
> I get this build error in kdevelop now: 
> 
> [ 48%] Building C object projectmanagers/cmake/CMakeFiles/kdev4cmakecommon.dir/parser/cmListFileLexer.o
> cmListFileLexer.c:1566:48: error: implicit declaration of function 'fileno' [-Werror,-Wimplicit-function-declaration]
>         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
>                                                ^
> 1 error generated.
> make[2]: *** [projectmanagers/cmake/CMakeFiles/kdev4cmakecommon.dir/parser/cmListFileLexer.o] Error 1
> 
> Besides that, I successfully built kate and kdevplatform in debugfull with clang 3.3 and finally have my debug symbols back!
> So how can I fix the above? The file is generated and apparently contains a posix-ism which is not available anymore on clang?
> How does one do that in a platform independent way?
> 
> Other than that, here is e.g. the cmake output for kdevelop:
> 
> -- The C compiler identification is Clang 3.3.0
> -- The CXX compiler identification is Clang 3.3.0
> -- Check for working C compiler: /usr/bin/ccache
> -- Check for working C compiler: /usr/bin/ccache -- works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Check for working CXX compiler: /usr/bin/ccache
> -- Check for working CXX compiler: /usr/bin/ccache -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Looking for Q_WS_X11
> -- Looking for Q_WS_X11 - found
> -- Looking for Q_WS_WIN
> -- Looking for Q_WS_WIN - not found
> -- Looking for Q_WS_QWS
> -- Looking for Q_WS_QWS - not found
> -- Looking for Q_WS_MAC
> -- Looking for Q_WS_MAC - not found
> -- Found Qt-Version 4.8.5 (using /usr/bin/qmake-qt4)
> -- Looking for XOpenDisplay in /usr/lib64/libX11.so;/usr/lib64/libXext.so;/usr/lib64/libXft.so;/usr/lib64/libXau.so;/usr/lib64/libXdmcp.so;/usr/lib64/libXpm.so
> -- Looking for XOpenDisplay in /usr/lib64/libX11.so;/usr/lib64/libXext.so;/usr/lib64/libXft.so;/usr/lib64/libXau.so;/usr/lib64/libXdmcp.so;/usr/lib64/libXpm.so - found
> -- Looking for gethostbyname
> -- Looking for gethostbyname - found
> -- Looking for connect
> -- Looking for connect - found
> -- Looking for remove
> -- Looking for remove - found
> -- Looking for shmat
> -- Looking for shmat - found
> -- Looking for IceConnectionNumber in ICE
> -- Looking for IceConnectionNumber in ICE - found
> -- Found X11: /usr/lib64/libX11.so
> -- Looking for include file pthread.h
> -- Looking for include file pthread.h - found
> -- Looking for pthread_create
> -- Looking for pthread_create - not found
> -- Looking for pthread_create in pthreads
> -- Looking for pthread_create in pthreads - not found
> -- Looking for pthread_create in pthread
> -- Looking for pthread_create in pthread - found
> -- Found Threads: TRUE  
> -- Found OpenSSL: /usr/lib64/libssl.so;/usr/lib64/libcrypto.so (found version "1.0.1e") 
> -- Looking for _POSIX_TIMERS
> -- Looking for _POSIX_TIMERS - found
> -- Found Automoc4: /usr/bin/automoc4  
> -- Found Perl: /usr/bin/perl (found version "5.18.0") 
> -- Adding /home/milian/projects/compiled/kde4/share/apps/cmake/modules to CMAKE_MODULE_PATH
> -- Found Phonon: /usr/include/qt4 (Required is at least version "4.3.80") 
> -- Performing Test _OFFT_IS_64BIT
> -- Performing Test _OFFT_IS_64BIT - Success
> -- Performing Test HAVE_FPIE_SUPPORT
> -- Performing Test HAVE_FPIE_SUPPORT - Success
> -- Performing Test __KDE_HAVE_W_OVERLOADED_VIRTUAL
> -- Performing Test __KDE_HAVE_W_OVERLOADED_VIRTUAL - Success
> -- Performing Test __KDE_HAVE_GCC_VISIBILITY
> -- Performing Test __KDE_HAVE_GCC_VISIBILITY - Success
> -- Found KDE 4.10 include dir: /usr/include
> -- Found KDE 4.10 library dir: /usr/lib
> -- Found the KDE4 kconfig_compiler preprocessor: /usr/bin/kconfig_compiler
> -- Found automoc4: /usr/bin/automoc4
> -- Found KDevPlatform: /home/milian/projects/compiled/kde4/lib/cmake/kdevplatform/KDevPlatformConfig.cmake (Required is at least version "1.5.60") 
> -- Found SharedMimeInfo: /usr/bin/update-mime-database (found suitable version "1.1", minimum required is "0.18") 
> -- Found KDeclarative: /usr/include  
> -- Found KDE4Workspace: /usr/lib64/cmake/KDE4Workspace/KDE4WorkspaceConfig.cmake (Required is at least version "4.2.0") 
> -- Found Okteta Kasten libraries v2: /usr/lib64/libkasten2okteta1core.so;/usr/lib64/libkasten2okteta1gui.so;/usr/lib64/libkasten2okteta1controllers.so
> -- Found Okteta libraries v1: /usr/lib64/libokteta1core.so;/usr/lib64/libokteta1gui.so
> -- Found Kasten libraries v2: /usr/lib64/libkasten2core.so;/usr/lib64/libkasten2gui.so;/usr/lib64/libkasten2controllers.so
> -- Found KDevPlatform: /home/milian/projects/compiled/kde4/lib/cmake/kdevplatform/KDevPlatformConfig.cmake  
> -- Found PkgConfig: /usr/bin/pkg-config (found version "0.28") 
> -- checking for module 'QJson'
> --   found QJson, version 0.8.1
> -- Found QJson: /usr/lib64/libqjson.so
> 
> 
> Thanks,
> 
> Milian Wolff
> 
>

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