Guard against M4 versions with a buggy strstr.
authorRalf Wildenhues <Ralf.Wildenhues@gmx.de>
Sat, 5 Mar 2011 07:32:50 +0000 (07:32 +0000)
committerRalf Wildenhues <rwild@gcc.gnu.org>
Sat, 5 Mar 2011 07:32:50 +0000 (07:32 +0000)
commit9d77a2c4e3006d31cf1c9b4bf5a3c7ef13a75e11
tree9ef3886585471b97dfacbf01721b48dade919716
parentd1509a41b31c9c3d3ec23c059d2953516690458f
Guard against M4 versions with a buggy strstr.

config/:
* override.m4: Error out if a buggy M4 was detected, to
avoid spurious diffs in generated files.

Co-Authored-By: Eric Blake <eblake@redhat.com>
From-SVN: r170697
config/ChangeLog
config/override.m4