[mpich-discuss] MPICH 3.1.4 segfaults Clang 3.6.1 and 3.7

[Torbjörn Klatt]

Hello,

I'm trying to use MPICH 3.1.4 with Clang and tried Clang 3.6.1 and 3.7. With 
both versions Clang segfaults at the same point:

pt2pt/greq_start.c:239:62: error: alias must point to a defined variable or 
function
        MPIX_Grequest_class *greq_class) 
__attribute__((weak,alias("MPIX_Grequest_class_create")));

I've filed a LLVM bug [1] with more details, however without response yet.


MPICH was configured with:

CC=clang CXX=clang++ /opt/toolchains/src/mpi/mpich/3.1.4/configure --
srcdir=/opt/toolchains/src/mpi/mpich/3.1.4 --
prefix=/opt/toolchains/clang/3.7/libraries/mpi/mpich/3.1.4 --enable-g=most --
enable-fast=all --enable-fortran=all --enable-cxx


Is this a known MPICH problem or am I doing something wrong?


Kind regards,
Torbjörn



[1]: https://llvm.org/bugs/show_bug.cgi?id=24455
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