On Thursday November 17 2011 10:34:42 Garth N. Wells wrote:
> On 17 November 2011 18:30, Johan Hake <johan.h...@gmail.com> wrote:
> > On Thursday November 17 2011 02:36:56 Garth N. Wells wrote:
> >> On 17 November 2011 07:36, Johan Hake <johan.h...@gmail.com> wrote:
> >> > On Wednesday November 16 2011 23:12:32 Garth N. Wells wrote:
> >> >> On 17 Nov 2011, at 05:30, Johan Hake <johan.h...@gmail.com> wrote:
> >> >> > Hello!
> >> >> >
> >> >> > I have problems with the CMake configure script trying to find
> >> >> > pastix. It fails with the following:
> >> >> >
> >> >> > /usr/lib/ccache/gcc -DCHECK_FUNCTION_EXISTS=pthread_create
> >> >> > -fopenmp CMakeFiles/cmTryCompileExec.dir/CheckFunctionExists.c.o
> >> >> > -o cmTryCompileExec - rdynamic -lpthreads
> >> >> > /usr/bin/ld: cannot find -lpthreads
> >> >> > collect2: ld returned 1 exit status
> >> >> > gmake[1]: *** [cmTryCompileExec] Error 1
> >> >> > gmake[1]: Leaving directory `/home/hake/bzr/fenics/dolfin/dolfin-
> >> >> > gpu/build/CMakeFiles/CMakeTmp'
> >> >> > gmake: *** [cmTryCompileExec/fast] Error 2
> >> >> >
> >> >> > Does anyone know why pthreads get added to the the linking? If I
> >> >> > remove -lpthreads from the linkning it passes just fine.
> >> >>
> >> >> Configuring PaStiX is complicated and pthreads is usually required.
> >> >> The PaStiX cake module needs to do some proper testing. It's very
> >> >> primitive at the moment.
> >> >
> >> > Ok, then I suggest we disable it by default.
> >>
> >> pthread is not added manually anywhere, so its should not be added by
> >> the build system unless it's available on your system. It's most
> >> likely being added as a BLAS flag. Which BLAS are you using?
> >
> > Good question... How do I find that out?
>
> Lots of printing from CMake . . .
>
> message(STATUS "The are the flags: ${BLAS_LIBRARIES}")
/usr/lib/libatlas.so
> Anyway, why is PaStiX being picked up? Have you installed it in /usr/local?
It is installed automatically by the petsc dorsal script.
Johan
> Garth
>
> > Johan
> >
> >> Garth
> >>
> >> > Johan
> >> >
> >> >> Garth
> >> >>
> >> >> > I am on a Natty Ubuntu.
> >> >> >
> >> >> > Johan
> >> >> >
> >> >> > _______________________________________________
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> >> >>
> >> >> _______________________________________________
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