Thanks a lot Satish, your patch did the job :-) Am 24.11.2010 17:19, schrieb Satish Balay: > On Wed, 24 Nov 2010, Satish Balay wrote: > >> B1;2601;0cOn Wed, 24 Nov 2010, Jed Brown wrote: >> >>> On Wed, Nov 24, 2010 at 16:26, Jens-Malte Gottfried <jmgottfried at >>> web.de>wrote: >>> >>>> I am trying to write a gentoo ebuild for petsc (my current work is >>>> already in the science overlay). >>>> Is there any possibility to disable writing the RPATH of the >>>> to-be-generated libpetsc.so? >>>> Currently, the library is built fine but RPATH is set to >>>> >>>> >>>> /usr/lib64:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.4:/usr/x86_64-pc-linux-gnu/lib >>>> which is not neccessary. Before trying to patch the build system, >>>> perhaps there is a simple configure option which I did not find. >>>> >>> The standard build system does not provide an easy way to do this. If you >>> are using petsc-dev, you use CMake (configure as usual, but then run make >>> from $PETSC_DIR/$PETSC_ARCH instead of from $PETSC_DIR). The CMake build >>> files default to setting RPATH, but it is easy to set the cache variables to >>> disable RPATH. >> Some of the above comes from 'gfortran -v' - which checkFortranLibraries() >> etc do.. >> >> For such known systems with known compatibility libraries [ and each >> language compiler can find each others libs] you can use: >> >> [for c++ build] > I meant c build.. > >> -with-clib-autodetect=0 -with-fortranlib-autodetect=0 LIBS=-lgfortran >> >> [for c++ build] >> -with-clib-autodetect=0 -with-cxxlib-autodetect=0 >> -with-fortranlib-autodetect=0 LIBS='-lstdc++ -lgfortran' >> >> Wrt -rpath for -lpetsc, perhaps commenting out the following line in >> config/BuildSystem/config/setCompilers.py is sufficient: >> >> self.executeTest(self.checkSharedLinkerPaths) > Actually you need '-L' there - so the following change will remove -rpath > > asterix:/home/balay/tmp/petsc-dist-test/config/BuildSystem>hg diff > diff -r 5fac76781491 config/setCompilers.py > --- a/config/setCompilers.py Mon Sep 20 16:15:14 2010 -0500 > +++ b/config/setCompilers.py Wed Nov 24 10:12:46 2010 -0600 > @@ -1188,7 +1188,7 @@ > self.pushLanguage(language) > # test '-R' before '-rpath' as sun compilers [c,fortran] don't give > proper errors with wrong options. > if not Configure.isDarwin(): > - testFlags = ['-Wl,-rpath,', '-R','-rpath ' , '-Wl,-R,'] > + testFlags = [] > else: > testFlags = [] > # test '-R' before '-Wl,-rpath' for SUN compilers [as cc on linux > accepts -Wl,-rpath, but f90 & CC do not. > asterix:/home/balay/tmp/petsc-dist-test/config/BuildSystem> > > > > Satish
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