The trunk is broken: libfabric/libfabric/include/fi.h:50:25: error: stdatomic.h: No such file or directory
George. On Fri, Dec 19, 2014 at 2:03 AM, Gilles Gouaillardet < gilles.gouaillar...@iferc.org> wrote: > Jeff, > > the include path is $top_srcdir/opal/mca/event/libevent2021/libevent > and the libevent config.h is in > $top_builddir/opal/mca/event/libevent2021/libevent > > so if you do not use VPATH, $top_srcdir = $top_builddir and make success, > but since i use VPATH, $top_srcdir != $top_builddir and there is no > config.h in my include path, > and hence make fails. > > Cheers, > > Gilles > > > > On 2014/12/19 4:12, Jeff Squyres (jsquyres) wrote: > > On Dec 18, 2014, at 3:13 AM, Gilles Gouaillardet < > gilles.gouaillar...@iferc.org> wrote: > > > >> currently, ompi master cannot be built if configured with > >> --without-hwloc *and without* --without-libfabric. > >> > >> the root cause is HAVE_CONFIG_H is defined but no config.h file is > found. > >> > >> i digged a bit and found that config.h is taken from a hwloc directory > >> (if the --without-hwloc option is not used), > >> so even if this "works" that is unlikely the expected behavior. > > Mmm. I see what you're saying -- the libfabric code expects there to be > a config.h file; it'll basically take any config.h that's in the include > path. > > > > I actually find several config.h's in the tree: > > > > ----- > > $ find . -name config.h > > ./opal/libltdl/config.h > > ./opal/mca/hwloc/hwloc191/hwloc/include/hwloc/autogen/config.h > > ./opal/mca/hwloc/hwloc191/hwloc/include/private/autogen/config.h > > ./opal/mca/event/libevent2021/libevent/config.h > > ./ompi/contrib/vt/vt/extlib/otf/config.h > > ./ompi/contrib/vt/vt/config.h > > ----- > > > > However, even if I exclude libltdl, vt, and hwloc (so that there's only > a single config.h left in the tree -- for libevent), everything still works: > > > > ---- > > $ ./configure --prefix=$bogus --disable-dlopen --disable-vt > --without-hwloc > > ...etc... > > $ make > > [...succeeds...] > > $ find . -name config.h > > ./opal/mca/event/libevent2021/libevent/config.h > > ----- > > > > So I agree with you that it only works by chance (sorta -- libevent's > config.h will still have all the Right Stuff in it), I can't find a case > that fails. > > > > Can you detail what your specific case is that is failing? > > > > (SIDENOTE: I might not be able to find the failure because of what I > mention below...) > > > >> the attached patch fixes some missing #ifdef > > Good catch. I fixed those a different way (just deleted the #includes > -- they weren't necessary); I committed the fix both in OMPI and upstream > in libfabric. > > > >> my last (cosmetic) comment is about > >> $srcdir/opal/mca/common/libfabric/Makefile.in (and several other > >> Makefile.in) : > >> [snipped] > > Good catch. Fixed in > https://github.com/open-mpi/ompi/commit/be6d46490f7b80d4f5ea90c859ccbebe96bdaaba. > And then later fixed *that* a followup commit. :-( > > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2014/12/16684.php >
