configure.ac: drop manual detection of expat header/library
authorEmil Velikov <emil.velikov@collabora.com>
Wed, 2 Aug 2017 18:39:05 +0000 (19:39 +0100)
committerEmil Velikov <emil.l.velikov@gmail.com>
Fri, 4 Aug 2017 13:58:50 +0000 (14:58 +0100)
commit5c007203b73da88b9e76ce28027c6d27661e45b1
treec7ed05c4c34e02f33e3ae2722cccd31beebd5bea
parent6f9298dbde63049da6f530ba4f4693ba78b01448
configure.ac: drop manual detection of expat header/library

Use the .pc file, as provided by version prior 2.1.0 onward and dropping
the manual header/library check.

Version 2.1.0 was released back in Mar 2012 and all major distributions
use it.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> (IRC)
configure.ac