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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:
# FindLua50
# ---------
#
#
#
# Locate Lua library This module defines
#
# ::
#
# LUA50_FOUND, if false, do not try to link to Lua
# LUA_LIBRARIES, both lua and lualib
# LUA_INCLUDE_DIR, where to find lua.h and lualib.h (and probably lauxlib.h)
#
#
#
# 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/lua50 include/lua5.0 include/lua5 include/lua include
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
)
find_library(LUA_LIBRARY_lua
NAMES lua50 lua5.0 lua-5.0 lua5 lua
HINTS
ENV LUA_DIR
PATH_SUFFIXES lib
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw
/opt/local
/opt/csw
/opt
)
# In an OS X framework, lualib is usually included as part of the framework
# (like GLU in OpenGL.framework)
if(${LUA_LIBRARY_lua} MATCHES "framework")
set( LUA_LIBRARIES "${LUA_LIBRARY_lua}" CACHE STRING "Lua framework")
else()
find_library(LUA_LIBRARY_lualib
NAMES lualib50 lualib5.0 lualib5 lualib
HINTS
ENV LUALIB_DIR
ENV LUA_DIR
PATH_SUFFIXES lib
PATHS
/sw
/opt/local
/opt/csw
/opt
)
if(LUA_LIBRARY_lualib AND LUA_LIBRARY_lua)
# include the math library for Unix
if(UNIX AND NOT APPLE)
find_library(MATH_LIBRARY_FOR_LUA m)
set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua};${MATH_LIBRARY_FOR_LUA}" CACHE STRING "This is the concatentation of lua and lualib libraries")
# For Windows and Mac, don't need to explicitly include the math library
else()
set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua}" CACHE STRING "This is the concatentation of lua and lualib libraries")
endif()
endif()
endif()
include(${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(Lua50 DEFAULT_MSG LUA_LIBRARIES LUA_INCLUDE_DIR)
mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES)
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