zabbix50: remove due to EOL

The EOL will be reached at the end of the current release cycle.

https://www.zabbix.com/life_cycle_and_release_policy

pkgs/servers/monitoring/zabbix/server.nix

@@ -91,10 +91,6 @@ import ./versions.nix (
       ++ optional postgresqlSupport "--with-postgresql"
       ++ optional ipmiSupport "--with-openipmi=${openipmi.dev}";
 
-    env.NIX_CFLAGS_COMPILE = lib.optionalString (
-      lib.versions.major version <= "5"
-    ) "-Wno-error=incompatible-pointer-types";
-
     prePatch = ''
       find database -name data.sql -exec sed -i 's|/usr/bin/||g' {} +
     '';

pkgs/servers/monitoring/zabbix/versions.nix

@@ -19,10 +19,4 @@ generic: {
     hash = "sha256-Ne0OY6NGzTYOn3sDVd+5tfawBu5VBjxNRtlxasubGCk=";
     vendorHash = null;
   };
-
-  v50 = generic {
-    version = "5.0.46";
-    hash = "sha256-p6OZALpOQG6v70Y20cC2bdlzTINz3JBd9qGWZACfcl4=";
-    vendorHash = "sha256-NgSi6usIbss3WEZCYht46WjxcrdOO3qv8KwwUZwtkk0=";
-  };
 }

pkgs/servers/monitoring/zabbix/web.nix

@@ -24,7 +24,7 @@ import ./versions.nix (
 
     installPhase = ''
       mkdir -p $out/share/zabbix/
-      cp -a ${if lib.versionAtLeast version "5.0.0" then "ui/." else "frontends/php/."} $out/share/zabbix/
+      cp -a ui/. $out/share/zabbix/
       cp ${phpConfig} $out/share/zabbix/conf/zabbix.conf.php
     '';
 

pkgs/top-level/aliases.nix

@@ -1928,6 +1928,7 @@ mapAliases {
 
   ### Z ###
 
+  zabbix50 = throw "'zabbix50' has been removed, it would have reached its End of Life a few days after the release of NixOS 25.05. Consider upgrading to 'zabbix60' or 'zabbix70'.";
   zeroadPackages = recurseIntoAttrs {
     zeroad = lib.warnOnInstantiate "'zeroadPackages.zeroad' has been renamed to 'zeroad'" zeroad; # Added 2025-03-22
     zeroad-data = lib.warnOnInstantiate "'zeroadPackages.zeroad-data' has been renamed to 'zeroad-data'" zeroad-data; # Added 2025-03-22

pkgs/top-level/all-packages.nix

@@ -12578,7 +12578,6 @@ with pkgs;
   zabbix70 = recurseIntoAttrs (zabbixFor "v70");
   zabbix60 = recurseIntoAttrs (zabbixFor "v60");
   zabbix64 = recurseIntoAttrs (zabbixFor "v64");
-  zabbix50 = recurseIntoAttrs (zabbixFor "v50");
 
   zabbix = zabbix60;