[WIP 6/8] gnu: libchamplain: Build Vala bindings.

[Leo Famulari]

* gnu/packages/gnome.scm (libchamplain)[native-inputs]: Add
gobject-introspection, vala.
[arguments]: New field.
---
 gnu/packages/gnome.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index 9c694e9..c213da0 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -2895,7 +2895,11 @@ GL based interactive canvas library.")
                (base32
                 "1arzd1hsgq14rbiwa1ih2g250x6ljna2s2kiqfrw155c612s9cxk"))))
     (build-system gnu-build-system)
-    (native-inputs `(("pkg-config" ,pkg-config)))
+    (arguments '(#:configure-flags '("--enable-vala")))
+    (native-inputs
+     `(("gobject-introspection" ,gobject-introspection)
+       ("pkg-config" ,pkg-config)
+       ("vala" ,vala)))
     (propagated-inputs
      `(("libsoup" ,libsoup)
        ("sqlite" ,sqlite)
-- 
2.7.3