Use pkgconfig for BuildRequires

https://fedoraproject.org/wiki/Packaging:PkgConfigBuildRequires

eog.spec

@@ -18,27 +18,27 @@ Source: http://download.gnome.org/sources/eog/3.15/%{name}-%{version}.tar.xz
 # There is no need to add the + here.
 License: GPLv2+ and GFDL
 Group: User Interface/Desktops
-BuildRequires: glib2-devel >= %{glib2_version}
+
-BuildRequires: gtk3-devel >= %{gtk3_version}
+BuildRequires: pkgconfig(exempi-2.0)
-BuildRequires: libexif-devel >= %{libexif_version}
+BuildRequires: pkgconfig(gdk-pixbuf-2.0)
-BuildRequires: exempi-devel
+BuildRequires: pkgconfig(glib-2.0) >= %{glib2_version}
-BuildRequires: lcms2-devel
+BuildRequires: pkgconfig(gnome-desktop-3.0) >= %{gnome_desktop_version}
-BuildRequires: intltool >= 0.50.0-1
+BuildRequires: pkgconfig(gobject-introspection-1.0)
-BuildRequires: libjpeg-devel
+BuildRequires: pkgconfig(gsettings-desktop-schemas)
-BuildRequires: gettext
+BuildRequires: pkgconfig(gtk+-3.0) >= %{gtk3_version}
+BuildRequires: pkgconfig(lcms2)
+BuildRequires: pkgconfig(libexif) >= %{libexif_version}
+BuildRequires: pkgconfig(libpeas-1.0) >= 0.7.4
+BuildRequires: pkgconfig(libpeas-gtk-1.0) >= 0.7.4
+BuildRequires: pkgconfig(librsvg-2.0)
+BuildRequires: pkgconfig(shared-mime-info)
+BuildRequires: pkgconfig(x11)
 BuildRequires: desktop-file-utils >= %{desktop_file_utils_version}
-BuildRequires: gnome-desktop3-devel >= %{gnome_desktop_version}
+BuildRequires: gettext
-BuildRequires: libXt-devel
+BuildRequires: intltool >= 0.50.1
-BuildRequires: libxml2-devel
-BuildRequires: librsvg2-devel
-BuildRequires: libpeas-devel >= 0.7.4
-BuildRequires: gdk-pixbuf2-devel
-BuildRequires: shared-mime-info
-BuildRequires: gsettings-desktop-schemas-devel
-BuildRequires: dbus-glib-devel
-BuildRequires: gobject-introspection-devel
-BuildRequires: zlib-devel
 BuildRequires: itstool
+BuildRequires: libjpeg-devel
+BuildRequires: zlib-devel
 
 Requires:      gsettings-desktop-schemas
 Requires:      glib2%{?_isa} >= %{glib2_version}
@@ -133,6 +133,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas >&/dev/null || :
 %changelog
 * Mon Feb 02 2015 David King <amigadave@amigadave.com> - 3.15.1-1
 - Update to 3.15.1
+- Use pkgconfig for BuildRequires
 
 * Thu Nov 20 2014 Kalev Lember <kalevlember@gmail.com> - 3.14.3-1
 - Update to 3.14.3