configure.ac: dpdk: tolerate no pkg-config
authorroot <root@zesty-test.lxd>
Thu, 17 Aug 2017 14:18:02 +0000 (14:18 +0000)
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>
Thu, 17 Aug 2017 14:38:17 +0000 (16:38 +0200)
commitaf406d0146bc22afcc4453ed3aaeae45f502c639
treec06ba9beaf5ce423601712b132b2aa65ce7e28e4
parent929a7f21e8f6709b7acc7491ffc71e8d95135cc2
configure.ac: dpdk: tolerate no pkg-config

Since pull request #2400 pkg-config works great for dpdk, but not if
there is no pkg-config around at all.
To fix that the PKG_CHECK_MODULES macro needs to define a valid fourth
argument, otherwise it will error out.

This closes 2404

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
configure.ac