findlua.cmake

最新推荐文章于 2022-12-03 10:39:32 发布

转载最新推荐文章于 2022-12-03 10:39:32 发布 · 1.1k 阅读

本文档介绍了一个用于定位Lua 5.1库的CMake模块，该模块定义了如何找到Lua库文件及头文件，并确定Lua版本。此外，还介绍了如何根据不同平台配置所需的链接库。

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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:
	# FindLua51
	# ---------
	#
	#
	#
	# Locate Lua library This module defines
	#
	# ::
	#
	# LUA51_FOUND, if false, do not try to link to Lua
	# LUA_LIBRARIES
	# LUA_INCLUDE_DIR, where to find lua.h
	# LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
	#
	#
	#
	# 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/lua51 include/lua5.1 include/lua-5.1 include/lua include
	PATHS
	~/Library/Frameworks
	/Library/Frameworks
	/sw # Fink
	/opt/local # DarwinPorts
	/opt/csw # Blastwave
	/opt
	)

	find_library(LUA_LIBRARY
	NAMES lua51 lua5.1 lua-5.1 lua
	HINTS
	ENV LUA_DIR
	PATH_SUFFIXES lib
	PATHS
	~/Library/Frameworks
	/Library/Frameworks
	/sw
	/opt/local
	/opt/csw
	/opt
	)

	if(LUA_LIBRARY)
	# include the math library for Unix
	if(UNIX AND NOT APPLE AND NOT BEOS AND NOT HAIKU)
	find_library(LUA_MATH_LIBRARY m)
	set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
	# For Windows and Mac, don't need to explicitly include the math library
	else()
	set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
	endif()
	endif()

	if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
	file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")

	string(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
	unset(lua_version_str)
	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(Lua51
	REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
	VERSION_VAR LUA_VERSION_STRING)

	mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)