Tighten dependencies with the _isa macro

gtkd.spec

@@ -17,11 +17,19 @@ ExclusiveArch:  %{ldc_arches}
 
 BuildRequires:  ldc
 # Explicit require since gtkd use dlopen internally so rpm can't detect this.
-Requires:       atk, gtk3, gdk-pixbuf2, pango, cairo, gdk-pixbuf2, libcurl
-Requires:       libpeas
-Requires:       vte291
-Requires:       mesa-libGL, mesa-libGLU, gtksourceview3
-Requires:       gstreamer1, gstreamer1-plugins-base, xz
+Requires:       atk%{?_isa}
+Requires:       cairo%{?_isa}
+Requires:       gdk-pixbuf2%{?_isa}
+Requires:       gstreamer1%{?_isa}
+Requires:       gstreamer1-plugins-base%{?_isa}
+Requires:       gtk3%{?_isa}
+Requires:       gtksourceview3%{?_isa}
+Requires:       libcurl%{?_isa}
+Requires:       libpeas%{?_isa}
+Requires:       mesa-libGL%{?_isa}
+Requires:       mesa-libGLU%{?_isa}
+Requires:       pango%{?_isa}
+Requires:       vte291%{?_isa}
 
 %description
 GTK+ is a highly usable, feature rich toolkit for creating graphical user
@@ -134,6 +142,7 @@ install -m0644 gtkd.d.tags %{buildroot}/%{_datadir}/geany/tags/
 * Thu Dec 29 2016 Kalev Lember <klember@redhat.com> - 3.4.0-1
 - Update to 3.4.0
 - Build gstreamer1 and libpeas bindings
+- Tighten dependencies with the _isa macro
 
 * Wed Nov 30 2016 Kalev Lember <klember@redhat.com> - 3.3.1-4
 - Rebuilt for new ldc compiler