treewide: drop 'tinyxml2' alias

We have tinyxml, tinyxml2, which is an alias for tinyxml,
and tinyxml-2, which is an entirely different thing.
This is very confusing. Reduce confusion by removing the alias.

Author: K900

pkgs/applications/video/kodi/unwrapped.nix

@@ -26,7 +26,7 @@
   which,
   openssl,
   gperf,
-  tinyxml2,
+  tinyxml,
   tinyxml-2,
   taglib,
   libssh,
@@ -299,7 +299,7 @@ stdenv.mkDerivation (
       libdrm
       openssl
       gperf
-      tinyxml2
+      tinyxml
       tinyxml-2
       taglib
       libssh

pkgs/games/pokerth/default.nix

@@ -15,7 +15,7 @@
   protobuf,
   sqlite,
   wrapQtAppsHook,
-  tinyxml2,
+  tinyxml,
   target ? "client",
 }:
 
@@ -77,7 +77,7 @@ mkDerivation rec {
     protobuf
     qtbase
     sqlite
-    tinyxml2
+    tinyxml
   ];
 
   qmakeFlags = [

pkgs/tools/filesystems/encfs/default.nix

@@ -9,7 +9,7 @@
   gettext,
   fuse,
   openssl,
-  tinyxml2,
+  tinyxml-2,
   gtest,
 }:
 
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     fuse
     openssl
-    tinyxml2
+    tinyxml-2
     gtest
   ];
   nativeBuildInputs = [

pkgs/top-level/aliases.nix

@@ -2608,6 +2608,7 @@ mapAliases {
   timescale-prometheus = throw "'timescale-prometheus' has been renamed to/replaced by 'promscale'"; # Converted to throw 2024-10-17
   tightvnc = throw "'tightvnc' has been removed as the version 1.3 is not maintained upstream anymore and is insecure"; # Added 2024-08-22
   timelens = throw "'timelens' has been removed due to lack of upstream maintenance"; # Added 2025-01-25
+  tinyxml2 = throw "The 'tinyxml2' alias has been removed, use 'tinyxml' for https://sourceforge.net/projects/tinyxml/ or 'tinyxml-2' for https://github.com/leethomason/tinyxml2"; # Added 2025-10-11
   tix = tclPackages.tix; # Added 2024-10-02
   tkcvs = tkrev; # Added 2022-03-07
   tkgate = throw "'tkgate' has been removed as it is unmaintained"; # Added 2025-05-17

pkgs/top-level/all-packages.nix

@@ -2703,9 +2703,7 @@ with pkgs;
 
   emborg = python3Packages.callPackage ../development/python-modules/emborg { };
 
-  encfs = callPackage ../tools/filesystems/encfs {
-    tinyxml2 = tinyxml-2;
-  };
+  encfs = callPackage ../tools/filesystems/encfs { };
 
   ethercalc = callPackage ../servers/web-apps/ethercalc { };
 
@@ -8747,9 +8745,7 @@ with pkgs;
 
   tclap_1_4 = callPackage ../development/libraries/tclap/1.4.nix { };
 
-  tinyxml = tinyxml2;
-
-  tinyxml2 = callPackage ../development/libraries/tinyxml/2.6.2.nix { };
+  tinyxml = callPackage ../development/libraries/tinyxml/2.6.2.nix { };
 
   tk = tk-8_6;