Re: [BUGS] Detecting proper bison version before make

Sure, I will change it to $YACC, but I thought it had to be 'bison -y'
because that's what we fed to AC_CHECK_PROGS. I looked at the configure
output but I don't understand it, even though I know shell script.

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Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > AC_CHECK_PROGS(YACC, ['bison -y'])
> > +
> > + if test "$YACC"; then
> > + if bison --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then
> > + AC_MSG_WARN([
>
> Should this not be making at least some effort to use the particular
> program found by the AC_CHECK_PROGS macro? ie, why not $YACC --version ...
>
> regards, tom lane
>

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