gnu: xdg-desktop-portal-gtk: Update to 1.15.3.

* gnu/packages/freedesktop.scm (xdg-desktop-portal-gtk): Update to 1.15.3.
[build-system]: Switch to meson-build-system.
[arguments]: Add #:glib-or-gtk?.  Remove #:configure-flags.
[native-inputs]: Remove autoconf, automake, libtool, libxml2 and which.
[inputs]: Replace gtk+ with gtk.  Remove labels.

Change-Id: Ifaa7092872884b74fd3f783b677449935bfd4a2a

gnu/packages/freedesktop.scm

@@ -3218,7 +3218,7 @@ and others.")
 (define-public xdg-desktop-portal-gtk
   (package
     (name "xdg-desktop-portal-gtk")
-    (version "1.14.1")
+    (version "1.15.3")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -3226,44 +3226,12 @@ and others.")
                     version "/xdg-desktop-portal-gtk-" version ".tar.xz"))
               (sha256
                (base32
-                "002p19j1q3fc8x338ndzxnicwframpgafw31lwvv5avy329akqiy"))))
-    (build-system glib-or-gtk-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'po-chmod
-           (lambda _
-             ;; Make sure 'msgmerge' can modify the PO files.
-             (for-each (lambda (po)
-                         (chmod po #o666))
-                       (find-files "po" "\\.po$"))
-             #t)))
-       ;; Enable Gnome portal backends
-       #:configure-flags
-       (list
-        "--enable-appchooser"
-        "--enable-wallpaper"
-        "--enable-screenshot"
-        "--enable-screencast"
-        "--enable-background"
-        "--enable-settings")))
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("autoconf" ,autoconf)
-       ("automake" ,automake)
-       ("libtool" ,libtool)
-       ("libxml2" ,libxml2)
-       ("glib:bin" ,glib "bin")
-       ("which" ,which)
-       ("gettext" ,gettext-minimal)))
-    (inputs
-     `(("glib" ,glib)
-       ("gtk" ,gtk+)
-       ("fontconfig" ,fontconfig)
-       ("gnome-desktop" ,gnome-desktop)
-       ("gsettings-desktop-schemas" ,gsettings-desktop-schemas)))
-    (propagated-inputs
-     (list xdg-desktop-portal))
+                "0drvlanj4pydcmq1fhk8nbj5mb2zpf2pxcqxd4g61a0r4hyp98s7"))))
+    (build-system meson-build-system)
+    (arguments (list #:glib-or-gtk? #t))
+    (native-inputs (list gettext-minimal `(,glib "bin") pkg-config))
+    (inputs (list glib gtk fontconfig gnome-desktop gsettings-desktop-schemas))
+    (propagated-inputs (list xdg-desktop-portal))
     (home-page "https://github.com/flatpak/xdg-desktop-portal-gtk")
     (synopsis "GTK implementation of xdg-desktop-portal")
     (description