fallback to $PATH if progpath has no directory component [libtool--release--2.0--patch-15]

[Gary V. Vaughan]

Tree version:   address@hidden/libtool--devo--1.0
CVSROOT:        /cvsroot/libtool
TIMESTAMP:       1.1684 2004/10/08 17:01:49
Module name:    /cvsroot/libtool/libtool
Changes by:     address@hidden

Log Message:
        
        Fix some issues that mangled the reexecution path to a script,
        and thus prevented it from finding itself:
        
        * lib/general.m4sh (progname): Don't actually change the name of
        the script if it begins with a `-', just prepend `./'.
        (progpath): Add a new clause that first searches the execution
        PATH, and then finally assumes this script is in the current
        working directory if $progname has no directory separators (e.g
        when invoked as `$SHELL progname').

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