libsForQt5.kf5gpgmepp: drop

Unmaintained upstream since 2017. GnuPG has a maintained version of this now.

pkgs/development/libraries/kf5gpgmepp/default.nix

@@ -1,38 +0,0 @@
-{
-  mkDerivation,
-  lib,
-  fetchgit,
-  cmake,
-  extra-cmake-modules,
-  qtbase,
-  boost,
-  gpgme,
-}:
-
-mkDerivation {
-  pname = "kf5gpgmepp";
-  version = "16.08.3";
-
-  src = fetchgit {
-    url = "https://anongit.kde.org/gpgmepp.git";
-    rev = "9826f6674e496ce575f606d17c318566381b3b15";
-    sha256 = "02ck2l3s8s7xh44blqaqnc5k49ccicdnzvhiwa67a3zgicz5i0vh";
-  };
-
-  buildInputs = [
-    qtbase
-    boost
-  ];
-  propagatedBuildInputs = [ gpgme ];
-
-  nativeBuildInputs = [
-    cmake
-    extra-cmake-modules
-  ];
-
-  meta = with lib; {
-    license = [ licenses.lgpl2 ];
-    platforms = platforms.linux;
-  };
-
-}

pkgs/top-level/qt5-packages.nix

@@ -92,8 +92,6 @@ makeScopeWithSplicing' {
 
         kdsoap = callPackage ../development/libraries/kdsoap { };
 
-        kf5gpgmepp = callPackage ../development/libraries/kf5gpgmepp { };
-
         kirigami-addons = libsForQt5.callPackage ../development/libraries/kirigami-addons { };
 
         kimageannotator = callPackage ../development/libraries/kimageannotator { };
@@ -225,6 +223,12 @@ makeScopeWithSplicing' {
 
         xp-pen-deco-01-v2-driver = callPackage ../os-specific/linux/xp-pen-drivers/deco-01-v2 { };
       }
+      // lib.optionalAttrs config.allowAliases {
+        kf5gpgmepp = throw ''
+          'libsForQt5.kf5gpgmepp' has been removed because it has been unmaintained upstream since 2017.
+          Consider switching to the gpgmepp included in gpgme (gpgme <2), or to the GnuPG fork of gpgmepp (gpgme 2+), instead.
+        ''; # Added 2025-10-25
+      }
     ))
   );
 }