gnu: guile-lib: Switch to Guile 2.2.

* gnu/packages/guile.scm (guile-lib)[inputs]: Replace GUILE-2.0 with
GUILE-2.2.
(guile2.0-lib): New variable.
(guile2.2-lib): Mark as deprecated.
* gnu/packages/guile.scm (guile-ics): Use GUILE2.0-LIB.
* gnu/packages/gtk.scm (guile-cairo, guile-rsvg)
(guile-present, guile-gnome): Likewise.
* gnu/packages/skribilo.scm (skribilo): Likewise.

gnu/packages/gtk.scm

@@ -793,7 +793,7 @@ application suites.")
                                                      effective "/cairo"))
                         #t))))))
     (inputs
-     `(("guile-lib" ,guile-lib)
+     `(("guile-lib" ,guile2.0-lib)
        ("expat" ,expat)
        ("guile" ,guile-2.0)))
     (propagated-inputs
@@ -842,7 +842,7 @@ exceptions, macros, and a dynamic programming environment.")
                      ("texinfo" ,texinfo)))
     (inputs `(("guile" ,guile-2.0)
               ("librsvg" ,librsvg)
-              ("guile-lib" ,guile-lib)))          ;for (unit-test)
+              ("guile-lib" ,guile2.0-lib)))          ;for (unit-test)
     (propagated-inputs `(("guile-cairo" ,guile-cairo)))
     (synopsis "Render SVG images using Cairo from Guile")
     (description
@@ -886,7 +886,7 @@ images onto Cairo surfaces.")
     (inputs `(("guile" ,guile-2.0)))
     (propagated-inputs
      ;; These are used by the (present …) modules.
-     `(("guile-lib" ,guile-lib)
+     `(("guile-lib" ,guile2.0-lib)
        ("guile-cairo" ,guile-cairo)
        ("guile-rsvg" ,guile-rsvg)))
     (home-page "http://wingolog.org/software/guile-present/")
@@ -934,7 +934,7 @@ documents.")
     (propagated-inputs
      `(("guile-cairo" ,guile-cairo)
        ("g-wrap" ,g-wrap)
-       ("guile-lib" ,guile-lib)))
+       ("guile-lib" ,guile2.0-lib)))
     (arguments
       `(#:tests? #f                               ;FIXME
         #:phases (modify-phases %standard-phases

gnu/packages/guile.scm

@@ -624,7 +624,7 @@ format is also supported.")
        ("gettext" ,gettext-minimal)
        ("pkg-config" ,pkg-config)))
     (inputs `(("guile" ,guile-2.0) ("which" ,which)))
-    (propagated-inputs `(("guile-lib" ,guile-lib)))
+    (propagated-inputs `(("guile-lib" ,guile2.0-lib)))
     (home-page "https://github.com/artyom-poptsov/guile-ics")
     (synopsis "Guile parser library for the iCalendar format")
     (description
@@ -661,7 +661,7 @@ The library is shipped with documentation in Info format and usage examples.")
 $(libdir)/guile/@GUILE_EFFECTIVE_VERSION@/site-ccache\n"))
              #t)))))
     (native-inputs `(("pkg-config" ,pkg-config)))
-    (inputs `(("guile" ,guile-2.0)))
+    (inputs `(("guile" ,guile-2.2)))
     (home-page "http://www.nongnu.org/guile-lib/")
     (synopsis "Collection of useful Guile Scheme modules")
     (description
@@ -675,8 +675,11 @@ for Guile\".")
     ;; details.
     (license license:gpl3+)))
 
+(define-public guile2.0-lib
+  (package-for-guile-2.0 guile-lib))
+
 (define-public guile2.2-lib
-  (package-for-guile-2.2 guile-lib))
+  (deprecated-package "guile2.2-lib" guile-lib))
 
 (define-public guile-json
   (package

gnu/packages/skribilo.scm

@@ -74,7 +74,7 @@
     ;; The 'skribilo' command needs them, and for people using Skribilo as a
     ;; library, these inputs are needed as well.
     (propagated-inputs `(("guile-reader" ,guile2.0-reader)
-                         ("guile-lib" ,guile-lib)))
+                         ("guile-lib" ,guile2.0-lib)))
 
     (home-page "http://www.nongnu.org/skribilo/")
     (synopsis "Document production tool written in Guile Scheme")