gnu: libvterm: Update to 0.3.3.

* gnu/packages/terminals.scm (libvterm): Update to 0.3.3.
[source]: Use launchpad.net url.
[arguments]: Use CC-FOR-TARGET.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/packages/terminals.scm

@@ -35,6 +35,7 @@
 ;;; Copyright © 2022 jgart <jgart@dismail.de>
 ;;; Copyright © 2023 Aaron Covrig <aaron.covrig.us@ieee.org>
 ;;; Copyright © 2023 Foundation Devices, Inc. <hello@foundationdevices.com>
+;;; Copyright © 2023 Zheng Junjie <873216071@qq.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -629,19 +630,25 @@ should be thread-safe.")
 (define-public libvterm
   (package
     (name "libvterm")
-    (version "0.3.1")
+    (version "0.3.3")
     (source
      (origin
        (method url-fetch)
-       (uri (string-append "https://www.leonerd.org.uk/code/libvterm/"
-                           "libvterm-" version ".tar.gz"))
+       (uri (string-append
+             "https://launchpad.net/libvterm/trunk/v"
+             (version-major+minor version)
+             "/+download/libvterm-" version ".tar.gz"))
        (sha256
-        (base32 "15y3y23kfpcda7n79ym3gp1abzn8mshxrad8s3gnhls82nfava15"))))
+        (base32 "1q16fbznm54p24hqvw8c9v3347apk86ybsxyghsbsa11vm1ny589"))))
     (build-system gnu-build-system)
     (arguments
      `(#:make-flags
-       (list "CC=gcc"
-             (string-append "PREFIX=" (assoc-ref %outputs "out")))
+       (list
+        ;; FIXME: cross build fails.
+        ;; ld: src/.libs/encoding.o: error adding symbols: file in wrong format
+        ;; collect2: error: ld returned 1 exit status
+        (string-append "CC=" ,(cc-for-target))
+        (string-append "PREFIX=" (assoc-ref %outputs "out")))
        #:test-target "test"
        #:phases
        (modify-phases %standard-phases