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diff --git a/share/cmake-3.18/Modules/FindLua50.cmake b/share/cmake-3.18/Modules/FindLua50.cmake
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+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindLua50
+---------
+
+
+
+Locate Lua library.
+This module defines::
+
+::
+
+  LUA50_FOUND, if false, do not try to link to Lua
+  LUA_LIBRARIES, both lua and lualib
+  LUA_INCLUDE_DIR, where to find lua.h and lualib.h (and probably lauxlib.h)
+
+
+
+Note that the expected include convention is
+
+::
+
+  #include "lua.h"
+
+and not
+
+::
+
+  #include <lua/lua.h>
+
+This is because, the lua location is not standardized and may exist in
+locations other than lua/
+#]=======================================================================]
+
+find_path(LUA_INCLUDE_DIR lua.h
+  HINTS
+    ENV LUA_DIR
+  PATH_SUFFIXES include/lua50 include/lua5.0 include/lua5 include/lua include
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /opt
+)
+
+find_library(LUA_LIBRARY_lua
+  NAMES lua50 lua5.0 lua-5.0 lua5 lua
+  HINTS
+    ENV LUA_DIR
+  PATH_SUFFIXES lib
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /opt
+)
+
+# In an OS X framework, lualib is usually included as part of the framework
+# (like GLU in OpenGL.framework)
+if(${LUA_LIBRARY_lua} MATCHES "framework")
+  set( LUA_LIBRARIES "${LUA_LIBRARY_lua}" CACHE STRING "Lua framework")
+else()
+  find_library(LUA_LIBRARY_lualib
+    NAMES lualib50 lualib5.0 lualib5 lualib
+    HINTS
+      ENV LUALIB_DIR
+      ENV LUA_DIR
+    PATH_SUFFIXES lib
+    PATHS
+    /opt
+  )
+  if(LUA_LIBRARY_lualib AND LUA_LIBRARY_lua)
+    # include the math library for Unix
+    if(UNIX AND NOT APPLE)
+      find_library(MATH_LIBRARY_FOR_LUA m)
+      set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua};${MATH_LIBRARY_FOR_LUA}" CACHE STRING "This is the concatenation of lua and lualib libraries")
+    # For Windows and Mac, don't need to explicitly include the math library
+    else()
+      set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua}" CACHE STRING "This is the concatenation of lua and lualib libraries")
+    endif()
+  endif()
+endif()
+
+
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
+# all listed variables are TRUE
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua50  DEFAULT_MSG  LUA_LIBRARIES LUA_INCLUDE_DIR)
+
+mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES)