Re: if (! defined $configure_vars{'YACC'})

[Tom Tromey]

>>>>> "Bruce" == Bruce Korb <address@hidden> writes:

Bruce> AC_DEFUN(AG_PROG_BYACC,
Bruce> [missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`, $1)
Bruce> AC_CHECK_PROGS(YACC, byacc yacc 'bison -y', "$missing_dir/missing 
yacc")])

This ought to work fine.  In particular $AC_CHECK_PATTERN (look down a
few lines from the AC_PROG_YACC code in scan_one_configure_file)
should catch the AC_CHECK_PROGS invocation.
Do you know why it doesn't?

Tom