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mpi programme broken with new gcc 4.0.1?

Subject: mpi programme broken with new gcc 4.0.1?
From: Jan Hegewald <email@hidden>
Date: Fri, 26 May 2006 18:51:32 +0200
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Dear list members, I just installed the Xcode 2.3 and the new gcc somehow breaks my MPI programmes. Compilation is just fine as before. But when I execute multiple instances via mpirun, the programme behaves erratically. I don't know what exactly is going on here. Please note that Xcode is not involved. I get the same errors when used from bash (i.e. make and mpirun). Everything is good with the old binaries. When I do a make clean; make with the new gcc, the mess begins. Please share any suggestions about the cause and a possible cure (-; you might have.

Many TIA,
-- Jan
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