Fix configure macro check for HDF 5 library when no directory is specified in --with-hdf5. Also only use $acl_libdirstem if the directory exists, otherwise fallback to lib
Fix configure macro check for HDF 5 library when no directory is
specified in --with-hdf5. Also only use $acl_libdirstem if the
directory exists, otherwise fallback to lib

* config/matio_hdf5.m4 (MATIO_CHECK_HDF5): Check for HDF 5 unless
      --with-hdf5=no, and only use "-L${HDF5_DIR}/$acl_libdirstem" in
      HDF5_LIBS if "$acl_libdirstem" is not "lib" and the directory
      exists

tbeu/matio,MaartenBent/matio,CBL-ORION/matio-sf-mirror,CBL-ORION/matio,martinichka/matio-coder,martinichka/matio-coder,tbeu/matio,MaartenBent/matio,NJannasch/matio,CBL-ORION/matio-sf-mirror,MaartenBent/matio,telehan/libmatio,tbeu/matio,tbeu/matio,NJannasch/matio,MaartenBent/matio,CBL-ORION/matio,martinichka/matio-coder,telehan/libmatio