gnu: Add qgpgme-qt6-1.23.

* gnu/packages/gnupg.scm (qgpgme-qt6-1.23): New variable.

Change-Id: Iefdf4a5c8037724d60ecaf53567900a3106aec66

gnu/packages/gnupg.scm

@@ -508,6 +508,32 @@ QGpgME was originally developed as part of libkleo and incorporated into
 gpgpme starting with version 1.7.")
     (license license:gpl2+))) ;; Note: this differs from gpgme
 
+(define-public qgpgme-qt6-1.23
+  (package
+    (inherit gpgme-1.23)
+    (name "qgpgme-qt6")
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'build 'chdir-and-symlink
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((gpgme (assoc-ref inputs "gpgme")))
+               (symlink (string-append gpgme "/lib/libgpgmepp.la")
+                        "lang/cpp/src/libgpgmepp.la")
+               (symlink (string-append gpgme "/lib/libgpgme.la")
+                        "src/libgpgme.la"))
+             (chdir "lang/qt"))))))
+    (propagated-inputs (list gpgme-1.23))    ;required by QGpgmeConfig.cmake
+    (native-inputs
+     (modify-inputs (package-native-inputs gpgme-1.23)
+       (prepend pkg-config)))
+    (inputs
+     (modify-inputs (package-inputs gpgme-1.23)
+       (prepend qtbase)))
+    (synopsis "Qt API bindings for gpgme")
+    (description "QGpgme provides a very high level Qt API around GpgMEpp.")
+    (license license:gpl2+)))
+
 (define-public guile-gcrypt
   (package
     (name "guile-gcrypt")