3 # LUA54_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/lua54 include/lua5.4 include/lua-5.4 include/lua include
36 /opt/local # DarwinPorts
41 FIND_LIBRARY(LUA_LIBRARY
42 NAMES lua54 lua5.4 lua-5.4 lua
45 PATH_SUFFIXES lib64 lib
55 FIND_LIBRARY(LUA_LIBRARY_DEBUG
56 NAMES lua54-d lua5.4-d lua-5.4-d lua-d lua54d lua5.4d lua-5.4d luad
59 PATH_SUFFIXES lib64 lib
70 # include the math library for Unix
71 if(UNIX AND NOT APPLE AND NOT BEOS)
72 find_library(LUA_MATH_LIBRARY m)
73 set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
74 # For Windows and Mac, don't need to explicitly include the math library
76 if (LUA_LIBRARY_DEBUG)
77 set( LUA_LIBRARIES optimized ${LUA_LIBRARY} debug ${LUA_LIBRARY_DEBUG} CACHE STRING "Lua Libraries")
79 set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
84 if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
85 file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")
87 string(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
88 unset(lua_version_str)
91 include(FindPackageHandleStandardArgs)
92 # handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
93 # all listed variables are TRUE
94 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua54
95 REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
96 VERSION_VAR LUA_VERSION_STRING)
98 mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_LIBRARY_DEBUG LUA_MATH_LIBRARY)