gnu: Add vte.

* gnu/packages/gnome.scm (vte, vte/gtk+-2): New variables.

gnu/packages/gnome.scm

@@ -47,7 +47,8 @@
   #:use-module (gnu packages gl)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages xorg)
-  #:use-module (gnu packages xdisorg))
+  #:use-module (gnu packages xdisorg)
+  #:use-module (gnu packages ncurses))
 
 (define-public brasero
   (package
@@ -1324,3 +1325,57 @@ language features to GNOME developers without imposing any additional runtime
 requirements and without using a different ABI compared to applications and
 libraries written in C.")
     (license license:lgpl2.1+)))
+
+(define-public vte
+  (package
+    (name "vte")
+    (version "0.38.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://gnome/sources/" name "/"
+                                  (version-major+minor version) "/"
+                                  name "-" version ".tar.xz"))
+              (sha256
+               (base32
+                "1rbxrigff9yszbgdw0gw4c2saz4d1hbbpz21phzxx14w49wvmnmj"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("intltool" ,intltool)
+       ("vala" ,vala)
+       ("gobject-introspection" ,gobject-introspection)
+       ("glib" ,glib "bin") ; for glib-genmarshal, etc.
+       ("xmllint" ,libxml2)))
+    (propagated-inputs
+     `(("gtk+" ,gtk+))) ; required by libvte-2.91.pc
+    (home-page "http://www.gnome.org/")
+    (synopsis "Virtual Terminal Emulator")
+    (description
+     "VTE is a library (libvte) implementing a terminal emulator widget for
+GTK+, and a minimal sample application (vte) using that.  Vte is mainly used in
+gnome-terminal, but can also be used to embed a console/terminal in games,
+editors, IDEs, etc.")
+    (license license:lgpl2.1+)))
+
+;; stable version for gtk2, required by xfce4-terminal.
+(define-public vte/gtk+-2
+  (package (inherit vte)
+    (name "vte")
+    (version "0.28.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://gnome/sources/" name "/"
+                                  (version-major+minor version) "/"
+                                  name "-" version ".tar.xz"))
+              (sha256
+               (base32
+                "1bmhahkf8wdsra9whd3k5l5z4rv7r58ksr8mshzajgq2ma0hpkw6"))))
+    (arguments
+     '(#:configure-flags '("--disable-python")))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("intltool" ,intltool)
+       ("glib" ,glib "bin")))   ; for glib-genmarshal, etc.
+    (propagated-inputs
+     `(("gtk+" ,gtk+-2)         ; required by libvte.pc
+       ("ncurses" ,ncurses))))) ; required by libvte.la