On Wednesday 27 June 2012 22:44:22 Darrell Anderson wrote: > Slackware Current 64-bit > > The failure: > > /usr/lib64/gcc/x86_64-slackware-linux/4.7.1/../../../../x86_64-slackware-li >nux/bin/ld: CMakeFiles/rosegardensequencer.dir/sequencer/main.cpp.o: > undefined reference to symbol 'pthread_sigmask@@GLIBC_2.2.5' > /usr/lib64/gcc/x86_64-slackware-linux/4.7.1/../../../../x86_64-slackware-li >nux/bin/ld: note: 'pthread_sigmask@@GLIBC_2.2.5' is defined in DSO > /lib64/libpthread.so.0 so try adding it to the linker command line > /lib64/libpthread.so.0: could not read symbols: Invalid operation > collect2: error: ld returned 1 exit status > > rosegarden builds without that error in 32-bit. > > How to fix? > > Darrell Add "pthead" to linker. -- Serghei