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PONot having ability to link pthreads to resolve cmake compiling issue
 

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  1. PONot having ability to link pthreads to resolve cmake compiling issue
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    <p>Here is the output when compiling, I get to 100% then when linking it fails, presumably due to missing pthreads</p> <pre><code>cd /home/username/code/gnucash/build/src/gnc &amp;&amp; /usr/bin/cmake -E cmake_link_script CMakeFiles/cutecash.dir/link.txt --verbose=1 /usr/bin/c++ CMakeFiles/cutecash.dir/moc_AccountItemModel.cxx.o CMakeFiles/cutecash.dir/moc_AccountSelectionDelegate.cxx.o CMakeFiles/cutecash.dir/moc_RecentFileMenu.cxx.o CMakeFiles/cutecash.dir/moc_SplitListModel.cxx.o CMakeFiles/cutecash.dir/moc_SplitListView.cxx.o CMakeFiles/cutecash.dir/moc_mainwindow.cxx.o CMakeFiles/cutecash.dir/moc_dashboard.cxx.o CMakeFiles/cutecash.dir/fpo/moc_FPO.cxx.o CMakeFiles/cutecash.dir/fpo/moc_ViewletModel.cxx.o CMakeFiles/cutecash.dir/fpo/moc_ViewletView.cxx.o CMakeFiles/cutecash.dir/qrc_gnucash.cxx.o CMakeFiles/cutecash.dir/qrc_gtk-icons.cxx.o CMakeFiles/cutecash.dir/qrc_fallback-icons.cxx.o CMakeFiles/cutecash.dir/qrc_stylesheets.cxx.o CMakeFiles/cutecash.dir/AccountItemModel.cpp.o CMakeFiles/cutecash.dir/AccountSelectionDelegate.cpp.o CMakeFiles/cutecash.dir/Cmd.cpp.o CMakeFiles/cutecash.dir/QofEventWrapper.cpp.o CMakeFiles/cutecash.dir/RecentFileMenu.cpp.o CMakeFiles/cutecash.dir/Session.cpp.o CMakeFiles/cutecash.dir/SplitListModel.cpp.o CMakeFiles/cutecash.dir/SplitListView.cpp.o CMakeFiles/cutecash.dir/main.cpp.o CMakeFiles/cutecash.dir/mainwindow.cpp.o CMakeFiles/cutecash.dir/mainwindow-file.cpp.o CMakeFiles/cutecash.dir/dashboard.cpp.o CMakeFiles/cutecash.dir/fpo/FPO.cpp.o CMakeFiles/cutecash.dir/fpo/ViewletModel.cpp.o CMakeFiles/cutecash.dir/fpo/ViewletView.cpp.o -o cutecash -rdynamic ../backend/xml/libgnc-backend-xml.a ../import-export/libgnc-import.a ../app-utils/libapp-utils.a ../optional/gtkmm/liblibgncmod-gtkmm.a ../engine/libengine.a ../gnc-module/libgnc-module.a ../core-utils/libcore-utils.a ../libqof/libqof.a -lguile -lgmp -lcrypt -lm -lltdl -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0 -lgconf-2 -lglib-2.0 -lgthread-2.0 -lglib-2.0 -lgobject-2.0 -lglib-2.0 -lgmodule-2.0 -lglib-2.0 -lglib-2.0 -lxml2 -lQtGui -lQtCore -lgobject-2.0 -lsigc-2.0 -lgconf-2 -lgthread-2.0 -lgmodule-2.0 -lxml2 -lQtGui -lQtCore /usr/bin/ld: CMakeFiles/cutecash.dir/main.cpp.o: undefined reference to symbol 'pthread_getspecific@@GLIBC_2.2.5' /usr/bin/ld: note: 'pthread_getspecific@@GLIBC_2.2.5' is defined in DSO /lib/x86_64-linux-gnu/libpthread.so.0 so try adding it to the linker command line /lib/x86_64-linux-gnu/libpthread.so.0: could not read symbols: Invalid operation collect2: error: ld returned 1 exit status make[2]: *** [src/gnc/cutecash] Error 1 make[2]: Leaving directory `/home/username/code/gnucash/build' make[1]: *** [src/gnc/CMakeFiles/cutecash.dir/all] Error 2 make[1]: Leaving directory `/home/username/code/gnucash/build' make: *** [all] Error 2 </code></pre> <p>I have tried messing with the CMakeLists file a lot, here are some of the things I tried:</p> <ul> <li>adding <code>FIND_PACKAGE (Threads)</code></li> <li>adding <code>TARGET_LINK_LIBRARIES(pthread)</code> (causes cmake error)</li> </ul> <p>Any help would be greatly appreciated, thanks.</p>
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    1. COpossible duplicate of [cmake and libpthread](http://stackoverflow.com/questions/1620918/cmake-and-libpthread)
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    2. CO@sleske I tried those suggestions to no luck, have had errors with both of the answers there.
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    3. CO@jett Have you [read this](http://stackoverflow.com/questions/15193785/how-to-get-cmake-to-recognize-pthread-on-ubuntu) as well? The solution in the answer linked by sleske is correct, so we would need your complete CMakeLists and the error message that you get with that solution in place.
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