gnu: lager: Update to 0.1.1.

* gnu/packages/cpp.scm (lager): Update to 0.1.1.

Change-Id: Ied19cc6d5371cee9d97aa4dfb21a78f6d1582f10

gnu/packages/cpp.scm

@@ -1839,19 +1839,17 @@ composable sequential transformations.")
    (license license:boost1.0)))
 
 (define-public lager
-  (let ((commit "2016df38be90ee176bcb73ea414be2318bc1ef31")
-        (revision "0"))
   (package
    (name "lager")
-     (version (git-version "0.0.0" revision commit))
+   (version "0.1.1")
    (source (origin
             (method git-fetch)
             (uri (git-reference
                   (url "https://github.com/arximboldi/lager")
-                    (commit commit)))
+                  (commit (string-append "v" version))))
             (file-name (git-file-name name version))
             (sha256
-               (base32 "1b7zxwqrbm7db7wxqbsrk7jjd3znvvi1cwj7jg6zkmf0199071a5"))))
+             (base32 "1by9d49qnkncifyjcq16zy605d7v4ps6hvc01q5nsp1nbswm94m4"))))
    (build-system cmake-build-system)
    (arguments (list #:test-target "check"
                     #:configure-flags #~(list "-Dlager_BUILD_EXAMPLES=no")
@@ -1861,13 +1859,13 @@ composable sequential transformations.")
                           (lambda _
                             (delete-file-recursively "test/event_loop"))))))
    (inputs (list boost immer zug))
-     (native-inputs (list cereal))
+   (native-inputs (list catch2 cereal))
    (home-page "https://sinusoid.es/lager")
    (synopsis "Library for value-oriented design")
    (description "Lager is a library for value-oriented design implementing
 the unidirectional data-flow architecture.  Apart from a store and various
 event loops it also provides lenses and cursors.")
-     (license license:expat))))
+   (license license:expat)))
 
 (define-public atomic-queue
   (package