Excerpts from Allan McRae's message of 2011-12-09 23:32:26 +0100: > On 10/12/11 08:12, Philipp Überbacher wrote: > > Excerpts from Allan McRae's message of 2011-12-09 23:04:54 +0100: > >> On 10/12/11 07:29, Ionut Biru wrote: > >>> On 12/09/2011 09:25 PM, Philipp wrote: > >>>> Hi there, > >>>> I have linking issues with one of the programs I maintain in AUR and I > >>>> don't quite understand the issue. Here's the output: > >>>> > >>>> g++ -Wl,-O1,--sort-common,--as-needed,-z,relro,--hash-style=gnu > >>>> -L/usr/X11R6/lib -o jmeters jmeters.o styles.o mainwin.o jclient.o > >>>> mkimage.o meterwin.o -lsndfile -lclxclient -lclthreads -ljack -lpng > >>>> -lXft -lX11 -lrt > >>>> /usr/bin/ld: jmeters.o: undefined reference to symbol > >>>> 'pthread_mutex_trylock@@GLIBC_2.2.5' > >>>> /usr/bin/ld: note: 'pthread_mutex_trylock@@GLIBC_2.2.5' is defined in > >>>> DSO /lib/libpthread.so.0 so try adding it to the linker command line > >>>> /lib/libpthread.so.0: could not read symbols: Invalid operation > >>>> collect2: ld returned 1 exit status > >>>> make: *** [jmeters] Error 1 > >>>> > >>>> The program is jmeters > >>>> (https://aur.archlinux.org/packages.php?ID=25711). > >>>> > >>>> It depends on clthreads (https://aur.archlinux.org/packages.php?ID=3627) > >>>> which handles the threading stuff. > >>>> > >>>> I wonder where this problem comes from. Needles to say that it worked > >>>> fine in the past. Any ideas? > >>>> > >>>> Regards, > >>>> Philipp > >>>> > >>> > >>> sounds like you don't have a fully up to date toolchain > >>> > >> > >> Actually, it sounds like he does have a fully up-to-date toolchain: > >> http://fedoraproject.org/wiki/UnderstandingDSOLinkChange > >> > >> The output also gives the fix... > >>>> /usr/bin/ld: note: 'pthread_mutex_trylock@@GLIBC_2.2.5' is defined in > >>>> DSO /lib/libpthread.so.0 so try adding it to the linker command line > >> > >> Allan > > > > Thanks, > > adding -lpthread helped in this case. > > I'm not looking forward to patching possibly all the other programs I > > maintain. > > > > FYI, I rebuilt the entire [core] and only one package needed fixed for > this. So this does not appear that widespread. > > Allan Guess it depends.. I only maintain 70 packages in AUR, already found/patched 3, about 65 more to look at ... Anyway, not much I can do about it. Regards, Philipp