build: Fix Qt5PlatformSupport check without pkg-config
commit0c928cb13cc9146bb2c0f39d1d3b6e1e660a375d
authorCory Fields <cory-nospam-@coryfields.com>
Thu, 7 Jul 2016 17:46:59 +0000 (7 13:46 -0400)
committerCory Fields <cory-nospam-@coryfields.com>
Thu, 7 Jul 2016 18:15:17 +0000 (7 14:15 -0400)
treef45d6062b7d84f68960fc20524ab9817e34e85d3
parent91abb77970f47b1f6166e564bc695ed30c75bb63
build: Fix Qt5PlatformSupport check without pkg-config

The non-pkg-config case can't use pkg-config to check the version.

Also, make sure that the check is properly guarded in the case of missing
pkg-config macros.
build-aux/m4/bitcoin_qt.m4