Use new ldc_arches macro

gtkd.spec

@@ -6,13 +6,15 @@
 
 Name:           gtkd
 Version:        3.3.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        D binding and OO wrapper of GTK+
 
 License:        LGPLv3+ with exceptions
 URL:            https://github.com/gtkd-developers/GtkD/
 Source0:        https://github.com/gtkd-developers/GtkD/archive/v%{version}/%{name}-%{version}.tar.gz
 
+ExclusiveArch:  %{ldc_arches}
+
 BuildRequires:  ldc, ldc-phobos-devel, ldc-druntime-devel, gtk3-devel, libcurl-devel
 BuildRequires:  vte291-devel
 # Explicit require since gtkd use dlopen internally so rpm can't detect this.
@@ -108,6 +110,9 @@ install -m0644 gtkd.d.tags %{buildroot}/%{_datadir}/geany/tags/
 %{_datadir}/geany/tags/gtkd.d.tags
 
 %changelog
+* Sun Oct 30 2016 Kalev Lember <klember@redhat.com> - 3.3.1-3
+- Use new ldc_arches macro
+
 * Wed Oct 26 2016 Kalev Lember <klember@redhat.com> - 3.3.1-2
 - Build vte bindings
 - Use license macro