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# Locate LuaJIT library
# This module defines
# LUAJIT_FOUND, if false, do not try to link to Lua
# LUA_INCLUDE_DIR, where to find lua.h
# LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
#
# This module is similar to FindLua51.cmake except that it finds LuaJit instead.
FIND_PATH(LUA_INCLUDE_DIR luajit.h
HINTS
$ENV{LUA_DIR}
PATH_SUFFIXES include/luajit-2.0 include/luajit-5_1-2.0 include
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
)
FIND_LIBRARY(LUA_LIBRARY
NAMES luajit-5.1
HINTS
$ENV{LUA_DIR}
PATH_SUFFIXES lib64 lib
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw
/opt/local
/opt/csw
/opt
)
IF(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/luajit.h")
FILE(STRINGS "${LUA_INCLUDE_DIR}/luajit.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"LuaJIT .+\"")
STRING(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"LuaJIT ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
UNSET(lua_version_str)
ENDIF()
INCLUDE(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LUAJIT_FOUND to TRUE if
# all listed variables are TRUE
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LuaJit
REQUIRED_VARS LUA_LIBRARY LUA_INCLUDE_DIR
VERSION_VAR LUA_VERSION_STRING)
MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARY LUA_MATH_LIBRARY)
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