On 8/5/20 8:45 PM, Christoph Junghans wrote: > Hi, > > I am trying to rebuild espresso to adapt to the recent cmake changes, > when doing this I hit > https://github.com/espressomd/espresso/issues/3396, which prevents us > from compiling espresso with -lto, so I set _lto_cflags to %{nil}, > which works for the build with openmpi, but gets ignored for the mpich > build. > > I think the problem is that CMake picks up the lto flags from mpicxx > and then puts them in > MPI_CXX_COMPILE_OPTIONS. (Also compare mpicc -show). > > So I think the fix would be to strip these flags from mpicc. Sounds reasonable? > > The flags also contain > '-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1', which effectively > makes it depend on redhat-rpm-config. We had a similar issue in hdf5 a > while back: https://bugzilla.redhat.com/show_bug.cgi?id=1794625 > > Christoph > Another related bug is: https://bugzilla.redhat.com/show_bug.cgi?id=1821728 mpich should really clean up the flags that it injects - just using the same set as is used to compile mpich is causing several issues. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
