HDF5 detection on 64 bit systems

[Quentin Spencer]

HDF5 packages were recently released in Fedora Extras, and I'm trying to
include support for it in the Fedora octave packages. I was looking at
the build logs and discovered that the i386 and PPC versions correctly
detected the presence of HDF5, but x86_64 did not. This happened at the
following line of the configuration:

checking for H5Pcreate in -lhdf5... no

Unfortunately, the builds are submitted in batch mode, and I don't have
access to config.log to look more carefully at why this test failed, so
I'm asking here to see if anyone else has run into a similar problem. On
Fedora 64 bit systems, the library path is /usr/lib64 rather than
/usr/lib, but the build script tells this to the configure command, and
it is able to correctly find all other necessary libraries. Is there
anything about the configure test for HDF5 that is different and may
ignore this for any reason? Is there a command-line option to configure
that may help it correctly locate HDF5?

-Quentin



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