gnu: immer: Update to 0.8.1-0.df6ef46.

* gnu/packages/cpp.scm (immer): Update to 0.8.1-0.df6ef46
[native-inputs]: Remove catch2; add catch2-3.

Change-Id: I5c819cc0108739e9bf2eeae3bc73c70fd6d3b6d3
Signed-off-by: Andreas Enge <andreas@enge.fr>

gnu/packages/cpp.scm

@@ -2452,30 +2452,33 @@ provides a number of utilities to make coding with expected cleaner.")
     (license license:cc0)))
 
 (define-public immer
+  ;; Use latest commit to fix build with gcc 14.
+  (let ((commit "df6ef46d97e1fe81f397015b9aeb32505cef653b")
+        (revision "0"))
     (package
       (name "immer")
-   (version "0.8.1")
+      (version (git-version "0.8.1" revision commit))
       (source (origin
                 (method git-fetch)
                 (uri (git-reference
                        (url "https://github.com/arximboldi/immer")
-                  (commit (string-append "v" version))))
+                       (commit commit)))
                 (file-name (git-file-name name version))
                 (sha256
-             (base32 "03qkr42h0g6rivj3kq207gzgnv7hq88y69q16l2vg1lbvjcgca2g"))))
+                 (base32 "032rb84ahvdnc1m6sj4lflrwnk4p1f2jsq1pv03xbgizp2lr2pkx"))))
       (build-system cmake-build-system)
       (arguments (list #:test-target "check"
                        ;; -Werror appears to report false positives.
                        ;; See <https://github.com/arximboldi/immer/issues/223>.
                        #:configure-flags #~(list "-DDISABLE_WERROR=ON")))
       (inputs (list boost libgc c-rrb))
-   (native-inputs (list catch2 doctest fmt pkg-config))
+      (native-inputs (list catch2-3 doctest fmt pkg-config))
       (home-page "https://sinusoid.es/immer")
       (synopsis "Immutable data structures")
       (description "Immer is a library of persistent and immutable data structures
 written in C++.")
       (properties '((lint-hidden-cpe-vendors . ("immer_project"))))
-   (license license:boost1.0)))
+      (license license:boost1.0))))
 
 (define-public zug
   (package