GitLab

* configure.in (LIBXTR6): New output variable.  Move unixware special
case here from src/s/unixware.h.

* src/Makefile.in (LIBXTR6): Set with configure, not cpp.
* src/s/unixware.h (NEED_LIBW): Remove definition.

* admin/CPP-DEFINES: Remove NEED_LIBW.