3 # LUA52_FOUND, if false, do not try to link to Lua
5 # LUA_INCLUDE_DIR, where to find lua.h
6 # LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
8 # Note that the expected include convention is
11 # #include <lua/lua.h>
12 # This is because, the lua location is not standardized and may exist
13 # in locations other than lua/
15 #=============================================================================
16 # Copyright 2007-2009 Kitware, Inc.
18 # Distributed under the OSI-approved BSD License (the "License");
19 # see accompanying file Copyright.txt for details.
21 # This software is distributed WITHOUT ANY WARRANTY; without even the
22 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
23 # See the License for more information.
24 #=============================================================================
25 # (To distribute this file outside of CMake, substitute the full
26 # License text for the above reference.)
28 find_path(LUA_INCLUDE_DIR lua.h
31 PATH_SUFFIXES include/lua52 include/lua5.2 include/lua-5.2 include/lua include
36 /opt/local # DarwinPorts
41 find_library(LUA_LIBRARY
42 NAMES lua52 lua5.2 lua-5.2 lua
56 # include the math library for Unix
57 if(UNIX AND NOT APPLE AND NOT BEOS)
58 find_library(LUA_MATH_LIBRARY m)
59 set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
60 # For Windows and Mac, don't need to explicitly include the math library
62 set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
66 if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
67 file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")
69 string(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
70 unset(lua_version_str)
73 include(FindPackageHandleStandardArgs)
74 # handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
75 # all listed variables are TRUE
76 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua52
77 REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
78 VERSION_VAR LUA_VERSION_STRING)
80 mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)