Merge remote-tracking branch 'upstream/2.3' into main

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diff --git a/cmake/modules/Findmp3lame.cmake b/cmake/modules/Findmp3lame.cmake
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+# This file is part of Mixxx, Digital DJ'ing software.
+# Copyright (C) 2001-2020 Mixxx Development Team
+# Distributed under the GNU General Public Licence (GPL) version 2 or any later
+# later version. See the LICENSE file for details.
+
+#[=======================================================================[.rst:
+Findmp3lame
+-----------
+
+Finds the LAME library.
+
+Imported Targets
+^^^^^^^^^^^^^^^^
+
+This module provides the following imported targets, if found:
+
+``mp3lame::mp3lame``
+  The LAME library
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This will define the following variables:
+
+``mp3lame_FOUND``
+  True if the system has the LAME library.
+``mp3lame_INCLUDE_DIRS``
+  Include directories needed to use LAME.
+``mp3lame_LIBRARIES``
+  Libraries needed to link to LAME.
+
+Cache Variables
+^^^^^^^^^^^^^^^
+
+The following cache variables may also be set:
+
+``mp3lame_INCLUDE_DIR``
+  The directory containing ``lame/lame.h``.
+``mp3lame_LIBRARY``
+  The path to the LAME library.
+
+#]=======================================================================]
+
+find_path(mp3lame_INCLUDE_DIR
+  NAMES lame/lame.h
+  DOC "LAME include directory")
+mark_as_advanced(mp3lame_INCLUDE_DIR)
+
+find_library(mp3lame_LIBRARY
+  NAMES mp3lame mp3lame-static
+  DOC "LAME library"
+)
+mark_as_advanced(mp3lame_LIBRARY)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+  mp3lame
+  DEFAULT_MSG
+  mp3lame_LIBRARY
+  mp3lame_INCLUDE_DIR
+)
+
+if(mp3lame_FOUND)
+  set(mp3lame_LIBRARIES "${mp3lame_LIBRARY}")
+  set(mp3lame_INCLUDE_DIRS "${mp3lame_INCLUDE_DIR}")
+
+  if(NOT TARGET mp3lame::mp3lame)
+    add_library(mp3lame::mp3lame UNKNOWN IMPORTED)
+    set_target_properties(mp3lame::mp3lame
+      PROPERTIES
+        IMPORTED_LOCATION "${mp3lame_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${mp3lame_INCLUDE_DIR}"
+    )
+  endif()
+endif()