# Try to find the lua librairy
#  LUA_FOUND - system has lua
#  LUA_INCLUDE_DIR - the lua include directory
#  LUA_LIBRARY - the lua library
#  LUA_LIBRARIES - the lua library and it's dependencies

FIND_PATH(LUA_INCLUDE_DIR NAMES lua.h PATH_SUFFIXES lua51 lua5.1)
FIND_LIBRARY(LUA_LIBRARY NAMES liblua51.a liblua5.1.a liblua-5.1.a liblua.a lua51 lua5.1 lua-5.1 lua)

IF(LUA_LIBRARY)
  IF(UNIX AND NOT APPLE)
    FIND_LIBRARY(LUA_MATH_LIBRARY m)
    SET(LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}")
  ELSE(UNIX AND NOT APPLE)
    SET(LUA_LIBRARIES "${LUA_LIBRARY}")
  ENDIF(UNIX AND NOT APPLE)
ENDIF(LUA_LIBRARY)

INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua DEFAULT_MSG LUA_LIBRARIES LUA_INCLUDE_DIR)
MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)