gnu: wayland: Update to 1.19.0.

* gnu/packages/freedesktop.scm (wayland)[version]: Update to 1.19.0.
[build-system]: Change from gnu to meson.
[native-inputs]: Move here docbook-xml and docbook-xsl from ...
[inputs]: ... here. Move libffi to ...
[propagated-inputs]: ... here.

Signed-off-by: Léo Le Bouter <lle-bout@zaclys.net>

gnu/packages/freedesktop.scm

@@ -916,29 +916,31 @@ (define-public python2-pyxdg
 (define-public wayland
   (package
     (name "wayland")
-    (version "1.18.0")
+    (version "1.19.0")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://wayland.freedesktop.org/releases/"
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "0k995rn96xkplrapz5k648j651wc43kq817xk1x8280h16gsfxa6"))))
+                "05bd2vphyx8qwa1mhsj1zdaiv4m4v94wrlssrn0lad8d601dkk5s"))))
-    (build-system gnu-build-system)
+    (build-system meson-build-system)
     (arguments
      `(#:parallel-tests? #f))
     (native-inputs
-     `(("doxygen" ,doxygen)
+     `(("docbook-xml-4.2" ,docbook-xml-4.2)
-       ("graphviz" ,graphviz)
+       ("docbook-xml" ,docbook-xml)
+       ("docbook-xsl" ,docbook-xsl)
+       ("dot" ,graphviz)
+       ("doxygen" ,doxygen)
        ("pkg-config" ,pkg-config)
        ("xmlto" ,xmlto)
        ("xsltproc" ,libxslt)))
     (inputs
-     `(("docbook-xml" ,docbook-xml)
+     `(("expat" ,expat)
-       ("docbook-xsl" ,docbook-xsl)
+       ("libxml2" ,libxml2)))           ; for XML_CATALOG_FILES
-       ("expat" ,expat)
+    (propagated-inputs
-       ("libffi" ,libffi)
+     `(("libffi" ,libffi)))
-       ("libxml2" ,libxml2))) ; for XML_CATALOG_FILES
     (home-page "https://wayland.freedesktop.org/")
     (synopsis "Display server protocol")
     (description