OMPI developers -- Is "-z noexecstack" a linker option we should test for in configure, and use it if it works?
Are there any side effects that could cause problems? Begin forwarded message: > From: Siegmar Gross <siegmar.gr...@informatik.hs-fulda.de> > Subject: [OMPI users] missing link option for openmpi-1.8.2rc2 on Linux > Date: July 25, 2014 at 2:44:48 AM EDT > To: <us...@open-mpi.org> > Reply-To: Siegmar Gross <siegmar.gr...@informatik.hs-fulda.de>, Open MPI > Users <us...@open-mpi.org> > > Hi, > > I installed openmpi-1.8.2rc2 on "openSUSE Linux 12.1 x86_64" > with Sun C 5.12 and get the following warning if I run a small > Java program. I get no warning for my gcc-4.9.0 version of > openmpi-1.8.2rc2. > > > linpc1 java 109 mpiexec -np 1 java InitFinalizeMain > Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library > /usr/local/openmpi-1.8.2_64_cc/lib64/libmpi_java.so.1.2.0 which > might have disabled stack guard. The VM will try to fix the stack > guard now. > It's highly recommended that you fix the library with > 'execstack -c <libfile>', or link it with '-z noexecstack'. > Hello! > linpc1 java 110 > > > I would be grateful if somebody can add the link option > '-z noexecstack' to omit the warning. Thank you very much for > your help in advance. > > > Kind regards > > Siegmar > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2014/07/24871.php -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
