BuildRequires: xorg-lib-libXau-devel
BuildRequires: xorg-lib-libXdmcp-devel
BuildRequires: libtool
-BuildRequires: pkg-config
+BuildRequires: pkgconfig >= 0.19
BuildRequires: xorg-util-util-macros
BuildRequires: xorg-proto-xcmiscproto-devel
BuildRequires: xorg-proto-xextproto-devel