CVS psmith make: Commit fix for bug #1418.

CVSROOT:        /cvsroot/make
Module name:    make
Changes by:     psmith  03/03/24 19:15:25

Modified files:
        .              : ChangeLog Makefile.am README.cvs configure.in 
                         function.c remake.c 
        tests          : ChangeLog 
        tests/scripts/options: dash-t 

Log message:
Commit fix for bug #1418.
Upgrade to require autoconf 2.56.
Fix a pathological performance hit substituting in large values with
lots of words.