Hmm, maybe it's the antique version of m4, 1.4.13 was released in 2009. Or possibly a similarly antique version of Autoconf.
Anyway, thanks for the report, I added some details below to the commit message and applied this to master. The problem isn't on older branches. On Tue, Jan 26, 2016 at 11:17:05PM -0800, William Tu wrote: > Hi Ben, > > I installed ovs on one of my physical machine and after > "./boot.sh;./configure;make", this error shows up. The machine has: > - CentOS release 6.5 (Final) > - m4 (GNU M4) 1.4.13 > > Regards, > William > > > On Tue, Jan 26, 2016 at 10:30 PM, Ben Pfaff <b...@ovn.org> wrote: > > > This patch is obviously correct, but the commit that introduced the bug > > is from October, and I've never seen the error you mention. Where do > > you see it? > > > > On Tue, Jan 26, 2016 at 10:21:15PM -0800, William Tu wrote: > > > The current build fails at this test case: > > > /usr/bin/m4:tests/ovs-vswitchd.at:171: recursion limit of 1024 exceeded, > > > use -L<N> to change it > > > autom4te: /usr/bin/m4 failed with exit status: 1 > > > > > > Signed-off-by: William Tu <u9012...@gmail.com> > > > --- > > > tests/ovs-vswitchd.at | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/tests/ovs-vswitchd.at b/tests/ovs-vswitchd.at > > > index 492b944..4245fc4 100644 > > > --- a/tests/ovs-vswitchd.at > > > +++ b/tests/ovs-vswitchd.at > > > @@ -168,7 +168,7 @@ dnl > > ---------------------------------------------------------------------- > > > dnl OVSDB server before release version 2.5 does not support the > > monitor2 > > > dnl method. This test defeatures the OVSDB server to simulate an older > > > dnl OVSDB server and make sure ovs-vswitchd can still work with it > > > -AT_SETUP([ovs-vswitchd -- Compatible with OVSDB server - w/o monitor2)]) > > > +AT_SETUP([ovs-vswitchd -- Compatible with OVSDB server - w/o monitor2]) > > > OVS_VSWITCHD_START > > > > > > dnl defeature OVSDB server -- no monitor2 > > > -- > > > 2.5.0 > > > > > > _______________________________________________ > > > dev mailing list > > > dev@openvswitch.org > > > http://openvswitch.org/mailman/listinfo/dev > > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev