Error buildin KDE

[Allen Winter]

See the fix at https://git.reviewboard.kde.org/r/127425/

On Saturday, March 19, 2016 09:57:53 AM Allen Winter wrote:
> Same here.
> The relevant problem is shown in the cmake.log:
> 
> CMake Warning (dev) at src/lib/CMakeLists.txt:99 (add_library):
>   Policy CMP0028 is not set: Double colon in target name means ALIAS or
>   IMPORTED target.  Run "cmake --help-policy CMP0028" for policy details.
>   Use the cmake_policy command to set the policy and suppress this warning.
> 
>   Target "KF5CoreAddons" links to target "Threads::Threads" but the target
>   was not found.  Perhaps a find_package() call is missing for an IMPORTED
>   target, or an ALIAS target is missing?
> 
> 
> 
> On Friday, March 18, 2016 10:47:14 PM rafranco.2014 at yahoo.it wrote:
> > Hi guys, I' m new to this mailing list and to the KDE community.
> > I' m a newby in KDE development but I have a not so bad knowledge of Linux.
> > I don't know if this is the right place to post these kind of requests and if it is not the case I'd ask you to point me where can I post it.
> > I was trying to build kde following instructions at
> > 
> > https://community.kde.org/Guidelines_and_HOWTOs/Build_from_source#Run_kdesrc-build
> > 
> > I executed exactly all steps reported there and installed all required packages from official distro repository except for cmake 2.8.12 that I found at
> > 
> > https://kojipkgs.fedoraproject.org/packages/cmake/2.8.12/3.fc21/x86_64/cmake-2.8.12-3.fc21.x86_64.rpm
> > 
> > and installed with yum localinstall. My host is a CentOS 7 x64 VMware virtual machine.
> > 
> > First few modules are built correctly without any problem using kdesrc-build but build process stops on kcoreaddons with the following error:
> > 
> > 
> > Building CXX object src/lib/CMakeFiles/KF5CoreAddons.dir/KF5CoreAddons_automoc.cpp.o
> > Linking CXX shared library libKF5CoreAddons.so
> > /usr/bin/ld: cannot find -lThreads::Threads
> > collect2: error: ld returned 1 exit status
> > gmake[2]: *** [src/lib/libKF5CoreAddons.so.5.21.0] Errore 1
> > gmake[1]: *** [src/lib/CMakeFiles/KF5CoreAddons.dir/all] Errore 2
> > gmake: *** [all] Errore 2
> > 
> > 
> > while the following is the cmake log I find
> > 
> > 
> > # kdesrc-build running: 'cmake' '/home/lfranco/devel/kde/src/frameworks/kcoreaddons' '-DCMAKE_BUILD_TYPE:STRING=debug' '-DKDE4_BUILD_TESTS=true' '-DBUILD_TESTING=TRUE' '-DCMAKE_BUILD_TYPE:STRING=debug' '-DCMAKE_CXX_FLAGS:STRING=-std=c++11 -pipe -DQT_STRICT_ITERATORS -DQURL_NO_CAST_FROM_STRING -DQT_NO_HTTP -DQT_NO_FTP -Wformat -Werror=format-security -Werror=return-type -Wno-variadic-macros -Wlogical-op -Wmissing-include-dirs ' '-DCMAKE_INSTALL_PREFIX=/home/lfranco/devel/kde/usr'
> > # from directory: /home/lfranco/devel/kde/build/frameworks/kcoreaddons
> > -- The C compiler identification is GNU 4.8.5
> > -- The CXX compiler identification is GNU 4.8.5
> > -- Check for working C compiler: /usr/bin/cc
> > -- Check for working C compiler: /usr/bin/cc -- works
> > -- Detecting C compiler ABI info
> > -- Detecting C compiler ABI info - done
> > -- Check for working CXX compiler: /usr/bin/c++
> > -- Check for working CXX compiler: /usr/bin/c++ -- works
> > -- Detecting CXX compiler ABI info
> > -- Detecting CXX compiler ABI info - done
> > 
>