split out GTK+ support to the subpackage

Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>

libpeas.spec

@@ -23,13 +23,21 @@ BuildRequires:  pkgconfig(gobject-2.0)
 BuildRequires:  pkgconfig(gmodule-2.0)
 BuildRequires:  pkgconfig(gio-2.0)
 BuildRequires:  pkgconfig(gobject-introspection-1.0)
-BuildRequires:  pkgconfig(gtk+-3.0) >= 3.0.0
 BuildRequires:  pkgconfig(pygobject-3.0)
 BuildRequires:  pkgconfig(gladeui-2.0)
 
 %description
 libpeas is a convenience library making adding plug-ins support
-to GTK+ and glib-based applications.
+to glib-based applications.
+
+%package gtk
+Summary:        GTK+ plug-ins support for libpeas
+BuildRequires:  pkgconfig(gtk+-3.0)
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
+%description gtk
+libpeas-gtk is a convenience library making adding plug-ins support
+to GTK+-based applications.
 
 %package loader-python
 Summary:        Python 2 loader for libpeas
@@ -56,6 +64,7 @@ run Python 3 plugins that use libpeas.
 %package devel
 Summary:        Development files for libpeas
 Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       %{name}-gtk%{?_isa} = %{version}-%{release}
 
 %description devel
 This package contains development libraries and header files
@@ -91,13 +100,15 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor >&/dev/null || :
 %doc AUTHORS NEWS README
 %license COPYING
 %{_libdir}/libpeas-%{nsver}.so.*
-%{_libdir}/libpeas-gtk-%{nsver}.so.*
 %dir %{_libdir}/libpeas-%{nsver}/
 %dir %{_libdir}/libpeas-%{nsver}/loaders
 %{_libdir}/girepository-1.0/Peas-%{nsver}.typelib
-%{_libdir}/girepository-1.0/PeasGtk-%{nsver}.typelib
 %{_datadir}/icons/hicolor/*/actions/libpeas-plugin.*
 
+%files gtk
+%{_libdir}/libpeas-gtk-%{nsver}.so.*
+%{_libdir}/girepository-1.0/PeasGtk-%{nsver}.typelib
+
 %files loader-python
 %{_libdir}/libpeas-%{nsver}/loaders/libpythonloader.so