108 lines
3.5 KiB
CMake
108 lines
3.5 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindLuaJIT
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# ---------
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#
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#
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#
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# Locate Lua library This module defines
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#
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# ::
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#
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# LUAJIT_FOUND, if false, do not try to link to Lua
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# LUA_LIBRARIES
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# LUA_INCLUDE_DIR, where to find lua.h
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# LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
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# LUA_VERSION_MAJOR - the major version of Lua
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# LUA_VERSION_MINOR - the minor version of Lua
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# LUA_VERSION_PATCH - the patch version of Lua
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# LUAJIT_VERSION_STRING, the version of LuaJIT found (since CMake 2.8.8)
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# LUAJIT_VERSION_MAJOR - the major version of LuaJIT
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# LUAJIT_VERSION_MINOR - the minor version of LuaJIT
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# LUAJIT_VERSION_PATCH - the patch version of LuaJIT
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#
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#
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#
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# Note that the expected include convention is
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#
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# ::
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#
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# #include "lua.h"
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#
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# and not
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#
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# ::
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#
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# #include <lua/lua.h>
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#
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# This is because, the lua location is not standardized and may exist in
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# locations other than lua/
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find_path(LUA_INCLUDE_DIR luajit.h
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HINTS
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ENV LUA_DIR
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PATH_SUFFIXES include/luajit-2.0 include/luajit-2.1 include/luajit
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/sw # Fink
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/opt/local # DarwinPorts
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/opt/csw # Blastwave
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/opt
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)
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find_library(LUA_LIBRARY
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NAMES luajit-5.1 lua51
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HINTS
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ENV LUA_DIR
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PATH_SUFFIXES lib
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/sw
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/opt/local
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/opt/csw
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/opt
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)
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if(LUA_LIBRARY)
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# include the math library for Unix
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if(UNIX AND NOT APPLE AND NOT BEOS AND NOT HAIKU)
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find_library(LUA_MATH_LIBRARY m)
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set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY};${CMAKE_DL_LIBS}" CACHE STRING "Lua Libraries")
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# For Windows and Mac, don't need to explicitly include the math library
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else()
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set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
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endif()
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endif()
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if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
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file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")
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string(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
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unset(lua_version_str)
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string(REGEX REPLACE "^([0-9]+)\\.[0-9.]*$" "\\1" LUA_VERSION_MAJOR "${LUA_VERSION_STRING}")
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string(REGEX REPLACE "^[0-9]+\\.([0-9]+)[0-9.]*$" "\\1" LUA_VERSION_MINOR "${LUA_VERSION_STRING}")
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string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]).*" "\\1" LUA_VERSION_PATCH "${LUA_VERSION_STRING}")
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endif()
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if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/luajit.h")
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file(STRINGS "${LUA_INCLUDE_DIR}/luajit.h" lua_version_str REGEX "^#define[ \t]+LUAJIT_VERSION[ \t]+\".+\"")
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string(REGEX REPLACE "^#define[ \t]+LUAJIT_VERSION[ \t]+\"LuaJIT ([0-9.]+).*\"" "\\1" LUAJIT_VERSION_STRING "${lua_version_str}")
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unset(lua_version_str)
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string(REGEX REPLACE "^([0-9]+)\\.[0-9.]*$" "\\1" LUAJIT_VERSION_MAJOR "${LUAJIT_VERSION_STRING}")
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string(REGEX REPLACE "^[0-9]+\\.([0-9]+)[0-9.]*$" "\\1" LUAJIT_VERSION_MINOR "${LUAJIT_VERSION_STRING}")
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string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]).*" "\\1" LUAJIT_VERSION_PATCH "${LUAJIT_VERSION_STRING}")
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endif()
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include(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
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# all listed variables are TRUE
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find_package_handle_standard_args(LuaJIT
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REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
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VERSION_VAR LUAJIT_VERSION_STRING)
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mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)
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