Build: m4 macro for Bison version check
This new m4 macro make check for a supported version of Bison.
This macro is valid starting from commit id
e79137accc7ea0352cd4677ff22818f9c68d4eab of the GNU Bison git tree[1].
This check works for version 1.29b to this day.
[1] http://git.savannah.gnu.org/cgit/bison.git/commit/?id=e79137accc7ea0352cd4677ff22818f9c68d4eab
Fixes: #891
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- [DB] m4/ax_compare_version.m4