* libtool.m4 (AC_LIBTOOL_PROG_LD_SHLIBS): head -1 -> sed 1q to
port to POSIX 1003.1-2001 hosts, like textutils 2.0.21 with
_POSIX2_VERSION=200112.
* exe/link-txt.tpl: Include the previous change in the template.


* ltmain.in: Detect and handle object name conflicts while