On Sat, Jul 19, 2008 at 3:19 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote: > On Sat, Jul 19, 2008 at 2:56 PM, Ólafur Jens Sigurðsson > <[EMAIL PROTECTED]> wrote: >> On Fri, Jul 18, 2008 at 11:16:20AM -0400, Adam C Powell IV wrote: >> >>> I don't have this problem with ex2, or any other example. Unfortunately >>> the shlib is stripped so there are no symbols to check. :-( >>> >>> What's your architecture? It's fine on amd64. >> >> When I follow the example I get the following: >> >> g++ -I/usr/include/libmesh -I/usr/include/mpi -I/usr/include/petsc -c -o >> ex2.o ex2.C >> >> so the first compile works fine >> >> g++ -o ex2 ex2.o -lmesh -lscotchmetis -lscotch -lscotcherr >> ex2.o: In function main': >> ex2.C:(.text+0x7c): undefined reference to lam_mpi_comm_world' > > ^^^^ This is weird. petsc is compiled against openmpi and libmesh > should be too. > > I just tried on i386 and it works fine for me. Which architecture are > you on? Do you have latest openmpi, petsc and libmesh and all > depending packages from unstable installed?
Please post the output of: [EMAIL PROTECTED]:~$ ll -d /usr/include/mpi lrwxrwxrwx 1 root root 21 2008-03-09 14:58 /usr/include/mpi -> /etc/alternatives/mpi [EMAIL PROTECTED]:~$ ll -d /etc/alternatives/mpi lrwxrwxrwx 1 root root 24 2008-07-03 12:41 /etc/alternatives/mpi -> /usr/lib/openmpi/include On your system. Does it point to openmpi? Ondrej
