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# Find the Lua 5.1 includes and library
#
# LUA_INCLUDE_DIR - where to find lua.h
# LUA_LIBRARIES - List of fully qualified libraries to link against
# LUA_FOUND - Set to TRUE if found
IF(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
SET(LUA_FIND_QUIETLY TRUE)
ENDIF(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
# for Windows we rely on the environement variables
# %INCLUDE% and %LIB%; FIND_LIBRARY checks %LIB%
# automatically on Windows
IF(WIN32)
FIND_PATH(LUA_INCLUDE_DIR lua/lua.h
$ENV{INCLUDE}
)
FIND_LIBRARY(LUA_LIBRARIES
NAMES lua
)
ELSE()
FIND_PATH(LUA_INCLUDE_DIR lua.h )
FIND_LIBRARY(LUA_LIBRARIES NAMES lua )
ENDIF()
IF(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
SET(LUA_FOUND TRUE)
INCLUDE(CheckLibraryExists)
CHECK_LIBRARY_EXISTS(${LUA_LIBRARIES} lua_close "" LUA_NEED_PREFIX)
ELSE(LUA_INCLUDE_DIR AND LUA_LIBRARIES)
SET(LUA_FOUND FALSE)
ENDIF (LUA_INCLUDE_DIR AND LUA_LIBRARIES)
IF(LUA_FOUND)
IF (NOT LUA_FIND_QUIETLY)
MESSAGE(STATUS "Found Lua library: ${LUA_LIBRARIES}")
MESSAGE(STATUS "Found Lua headers: ${LUA_INCLUDE_DIR}")
ENDIF (NOT LUA_FIND_QUIETLY)
ELSE(LUA_FOUND)
IF(LUA_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could NOT find Lua")
ENDIF(LUA_FIND_REQUIRED)
ENDIF(LUA_FOUND)
MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARIES)
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