Github user radarwave commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1395#discussion_r213173453
--- Diff: configure ---
@@ -7435,14 +7435,14 @@ if test "$BISON"; then
pgac_bison_version=`$BISON --version 2>/dev/null | sed q`
{ $as_echo "$as_me:${as_lineno-$LINENO}: using $pgac_bison_version" >&5
$as_echo "$as_me: using $pgac_bison_version" >&6;}
- if echo "$pgac_bison_version" | $AWK '{ if ($4 < 1.875) exit 0; else
exit 1;}'
+ if echo "$pgac_bison_version" | $AWK '{ if ($4 < 1.875 && $4 > 2.9) exit
0; else exit 1;}'
--- End diff --
We should modify configure.in instead of configure, then generate new
configure with configure.in.
---