# Locate Lua library # This module defines # LUA_FOUND - if false, do not try to link to Lua # LUA_LIBRARIES - both lua and lualib # LUA_INCLUDE_DIR - where to find lua.h # LUA_VERSION_STRING - the version of Lua found # LUA_VERSION_MAJOR - the major version of Lua # LUA_VERSION_MINOR - the minor version of Lua # LUA_VERSION_PATCH - the patch version of Lua # # Note that the expected include convention is # #include "lua.h" # and not # #include # This is because, the lua location is not standardized and may exist # in locations other than lua/ #============================================================================= # CMake - Cross Platform Makefile Generator # Copyright 2000-2014 Kitware, Inc. # Copyright 2000-2011 Insight Software Consortium # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # * Neither the names of Kitware, Inc., the Insight Software Consortium, # nor the names of their contributors may be used to endorse or promote # products derived from this software without specific prior written # permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #============================================================================= # See the copyright notice: http://www.cmake.org/licensing/ unset(_lua_include_subdirs) unset(_lua_library_names) # this is a function only to have all the variables inside go away automatically function(set_lua_version_vars) set(LUA_VERSIONS5 5.3 5.2 5.1 5.0) if (Lua_FIND_VERSION_EXACT) if (Lua_FIND_VERSION_COUNT GREATER 1) set(lua_append_versions ${Lua_FIND_VERSION_MAJOR} ${Lua_FIND_VERSION_MINOR}) endif () elseif (Lua_FIND_VERSION) # once there is a different major version supported this should become a loop if (NOT Lua_FIND_VERSION_MAJOR GREATER 5) if (Lua_FIND_VERSION_COUNT EQUAL 1) set(lua_append_versions ${LUA_VERSIONS5}) else () foreach (subver IN LISTS LUA_VERSIONS5) if (NOT subver VERSION_LESS ${Lua_FIND_VERSION}) list(APPEND lua_append_versions ${subver}) endif () endforeach () endif () endif () else () # once there is a different major version supported this should become a loop set(lua_append_versions ${LUA_VERSIONS5}) endif () foreach (ver IN LISTS lua_append_versions) string(REGEX MATCH "^([0-9]+)\\.([0-9]+)$" _ver "${ver}") list(APPEND _lua_include_subdirs include/lua${CMAKE_MATCH_1}${CMAKE_MATCH_2} include/lua${CMAKE_MATCH_1}.${CMAKE_MATCH_2} include/lua-${CMAKE_MATCH_1}.${CMAKE_MATCH_2} ) list(APPEND _lua_library_names lua${CMAKE_MATCH_1}${CMAKE_MATCH_2} lua${CMAKE_MATCH_1}.${CMAKE_MATCH_2} lua-${CMAKE_MATCH_1}.${CMAKE_MATCH_2} ) endforeach () set(_lua_include_subdirs "${_lua_include_subdirs}" PARENT_SCOPE) set(_lua_library_names "${_lua_library_names}" PARENT_SCOPE) endfunction(set_lua_version_vars) set_lua_version_vars() find_path(LUA_INCLUDE_DIR lua.h HINTS ENV LUA_DIR PATH_SUFFIXES ${_lua_include_subdirs} include/lua include PATHS ~/Library/Frameworks /Library/Frameworks /sw # Fink /opt/local # DarwinPorts /opt/csw # Blastwave /opt ) unset(_lua_include_subdirs) find_library(LUA_LIBRARY NAMES ${_lua_library_names} lua HINTS ENV LUA_DIR ""PATH_SUFFIXES lib PATHS ~/Library/Frameworks /Library/Frameworks /sw /opt/local /opt/csw /opt ) unset(_lua_library_names) if (LUA_LIBRARY) # include the math library for Unix if (UNIX AND NOT APPLE AND NOT BEOS) find_library(LUA_MATH_LIBRARY m) set(LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}") # For Windows and Mac, don't need to explicitly include the math library else () set(LUA_LIBRARIES "${LUA_LIBRARY}") endif () endif () if (LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h") # At least 5.[012] have different ways to express the version # so all of them need to be tested. Lua 5.2 defines LUA_VERSION # and LUA_RELEASE as joined by the C preprocessor, so avoid those. file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_strings REGEX "^#define[ \t]+LUA_(RELEASE[ \t]+\"Lua [0-9]|VERSION([ \t]+\"Lua [0-9]|_[MR])).*") string(REGEX REPLACE ".*;#define[ \t]+LUA_VERSION_MAJOR[ \t]+\"([0-9])\"[ \t]*;.*" "\\1" LUA_VERSION_MAJOR ";${lua_version_strings};") if (LUA_VERSION_MAJOR MATCHES "^[0-9]+$") string(REGEX REPLACE ".*;#define[ \t]+LUA_VERSION_MINOR[ \t]+\"([0-9])\"[ \t]*;.*" "\\1" LUA_VERSION_MINOR ";${lua_version_strings};") string(REGEX REPLACE ".*;#define[ \t]+LUA_VERSION_RELEASE[ \t]+\"([0-9])\"[ \t]*;.*" "\\1" LUA_VERSION_PATCH ";${lua_version_strings};") set(LUA_VERSION_STRING "${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}.${LUA_VERSION_PATCH}") else () string(REGEX REPLACE ".*;#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([0-9.]+)\"[ \t]*;.*" "\\1" LUA_VERSION_STRING ";${lua_version_strings};") if (NOT LUA_VERSION_STRING MATCHES "^[0-9.]+$") string(REGEX REPLACE ".*;#define[ \t]+LUA_VERSION[ \t]+\"Lua ([0-9.]+)\"[ \t]*;.*" "\\1" LUA_VERSION_STRING ";${lua_version_strings};") endif () string(REGEX REPLACE "^([0-9]+)\\.[0-9.]*$" "\\1" LUA_VERSION_MAJOR "${LUA_VERSION_STRING}") string(REGEX REPLACE "^[0-9]+\\.([0-9]+)[0-9.]*$" "\\1" LUA_VERSION_MINOR "${LUA_VERSION_STRING}") string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]).*" "\\1" LUA_VERSION_PATCH "${LUA_VERSION_STRING}") endif () unset(lua_version_strings) endif() include(FindPackageHandleStandardArgs) # handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if # all listed variables are TRUE FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR VERSION_VAR LUA_VERSION_STRING) mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARY LUA_MATH_LIBRARY)