* gnu/packages/maths.scm (hdf-eos2): New variable. * gnu/packages/patches/hdf-eos2-build-shared.patch: New file. * gnu/packages/patches/hdf-eos2-remove-gctp.patch: New file. * gnu/packages/patches/hdf-eos2-fortrantests.patch: New file. * gnu/local.mk (dist_patch_DATA): Add patches. Signed-off-by: Ludovic Courtès <ludo@gnu.org>