On Thu, Aug 10, 2017 at 11:21:30AM +0200, Jakub Martisko wrote: > > > On 9.8.2017 11:37, Richard W.M. Jones wrote: > > > > ocaml-gsl (OCaml bindings for GNU Scientific Library) currently > > fails to link to atlas: > > > > + /usr/bin/ocamlfind ocamlopt -g -I lib -linkpkg -package bigarray -I lib -I examples lib/gsl.cmxa examples/blas_ex.cmx -o examples/blas_ex.native > > /usr/lib64/atlas/libsatlas.so: undefined reference to `dlarfy_' > > /usr/lib64/atlas/libsatlas.so: undefined reference to `slarfy_' > > /usr/lib64/atlas/libsatlas.so: undefined reference to `clarfy_' > > /usr/lib64/atlas/libsatlas.so: undefined reference to `zlarfy_' > > collect2: error: ld returned 1 exit status > > > > However this only happens with the very latest atlas that was built by > > binutils 2.29 (atlas-3.10.2-18.fc27.x86_64). It doesn't occur with > > the previous version of atlas (atlas-3.10.2-16.fc26) even though there > > seems to have been no change in atlas. > > > > $ nm -D /usr/lib64/atlas/libtatlas.so | grep larfy > > U clarfy_ > > U dlarfy_ > > U slarfy_ > > U zlarfy_ > > > > I looked in /usr/lib64 on my development machine which has atlas > > installed but there is no .so* file that I can find which defines > > these symbols. I also couldn't work out where in the atlas code > > (which is a bit strange) these references are used. > > > > Hence the question: Is this breakage in atlas? binutils? > > > > Rich. > > > > OK so it seems that according to git commit messages LAPACK > has been rebased from 3.6.0 to 3.7.1 day before that mass > rebuild [1][2]. Those "larfy" subroutines have been added to > LAPACK in 3.7.0 and have not been present before[3]. I've > tried to make a scratch build of atlas [4] and the missing > symbols seem to be present... > > $ nm -D ./libtatlas.so.3|grep larfy > > T clarfy_ > T dlarfy_ > T slarfy_ > T zlarfy_ It looks as if you scratch build just changes ‘rm’ to ‘rm -f’ at one point in the spec file. Is that change also needed? I can do a bump and rebuild of atlas with or without that change - let me know. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://people.redhat.com/~rjones/virt-top _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
