diff --git a/CMakeLists.txt b/CMakeLists.txt index 5dee28a88..b0ac59117 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -306,9 +306,7 @@ if(WIN32 AND CMAKE_BUILD_TYPE MATCHES Debug) endif() find_package(Luabind REQUIRED) -include(check_luabind) add_dependency_includes(${LUABIND_INCLUDE_DIR}) - set(USED_LUA_LIBRARIES ${LUA_LIBRARY}) add_dependency_includes(${LUA_INCLUDE_DIR}) diff --git a/cmake/FindLua.cmake b/cmake/FindLua.cmake new file mode 100644 index 000000000..0973bd187 --- /dev/null +++ b/cmake/FindLua.cmake @@ -0,0 +1,188 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindLua +# ------- +# +# +# +# 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/ + +unset(_lua_include_subdirs) +unset(_lua_library_names) +unset(_lua_append_versions) + +# this is a function only to have all the variables inside go away automatically +function(_lua_set_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 ${LUA_VERSIONS5}) + endif () + + list(APPEND _lua_include_subdirs "include/lua" "include") + + foreach (ver IN LISTS _lua_append_versions) + string(REGEX MATCH "^([0-9]+)\\.([0-9]+)$" _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}.${CMAKE_MATCH_2} + lua.${CMAKE_MATCH_1}.${CMAKE_MATCH_2} + ) + endforeach () + + set(_lua_include_subdirs "${_lua_include_subdirs}" PARENT_SCOPE) + set(_lua_library_names "${_lua_library_names}" PARENT_SCOPE) + set(_lua_append_versions "${_lua_append_versions}" PARENT_SCOPE) +endfunction(_lua_set_version_vars) + +function(_lua_check_header_version _hdr_file) + # 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 "${_hdr_file}" lua_version_strings + REGEX "^#define[ \t]+LUA_(RELEASE[ \t]+\"Lua [0-9]|VERSION([ \t]+\"Lua [0-9]|_[MR])).*") + + string(REGEX REPLACE ".*;#define[ \t]+LUA_VERSION_MAJOR[ \t]+\"([0-9])\"[ \t]*;.*" "\\1" LUA_VERSION_MAJOR ";${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 () + foreach (ver IN LISTS _lua_append_versions) + if (ver STREQUAL "${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}") + set(LUA_VERSION_MAJOR ${LUA_VERSION_MAJOR} PARENT_SCOPE) + set(LUA_VERSION_MINOR ${LUA_VERSION_MINOR} PARENT_SCOPE) + set(LUA_VERSION_PATCH ${LUA_VERSION_PATCH} PARENT_SCOPE) + set(LUA_VERSION_STRING ${LUA_VERSION_STRING} PARENT_SCOPE) + return() + endif () + endforeach () +endfunction(_lua_check_header_version) + +_lua_set_version_vars() + +if (LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h") + _lua_check_header_version("${LUA_INCLUDE_DIR}/lua.h") +endif () + +if (NOT LUA_VERSION_STRING) + foreach (subdir IN LISTS _lua_include_subdirs) + unset(LUA_INCLUDE_PREFIX CACHE) + find_path(LUA_INCLUDE_PREFIX ${subdir}/lua.h + HINTS + ENV LUA_DIR + PATHS + ~/Library/Frameworks + /Library/Frameworks + /sw # Fink + /opt/local # DarwinPorts + /opt/csw # Blastwave + /opt + ) + if (LUA_INCLUDE_PREFIX) + _lua_check_header_version("${LUA_INCLUDE_PREFIX}/${subdir}/lua.h") + if (LUA_VERSION_STRING) + set(LUA_INCLUDE_DIR "${LUA_INCLUDE_PREFIX}/${subdir}") + break() + endif () + endif () + endforeach () +endif () +unset(_lua_include_subdirs) +unset(_lua_append_versions) + +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 () + +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) diff --git a/cmake/FindLua52.cmake b/cmake/FindLua52.cmake deleted file mode 100644 index 4aeaf94f9..000000000 --- a/cmake/FindLua52.cmake +++ /dev/null @@ -1,82 +0,0 @@ -# Locate Lua library -# This module defines -# LUA52_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 -# This is because, the lua location is not standardized and may exist -# in locations other than lua/ - -#============================================================================= -# Copyright 2007-2009 Kitware, Inc. -# Copyright 2016 for Project-OSRM, Lua5.1 => Lua5.2 -# -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. -# -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) - -find_path(LUA_INCLUDE_DIR lua.h - HINTS - ENV LUA_DIR - PATH_SUFFIXES include/lua52 include/lua5.2 include/lua-5.2 include/lua include - PATHS - ~/Library/Frameworks - /Library/Frameworks - /sw # Fink - /opt/local # DarwinPorts - /opt/csw # Blastwave - /opt -) - -find_library(LUA_LIBRARY - NAMES lua52 lua5.2 lua-5.2 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) - 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(FindPackageHandleStandardArgs) -# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if -# all listed variables are TRUE -FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua52 - 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) - diff --git a/cmake/FindLuabind.cmake b/cmake/FindLuabind.cmake index 4b99b3c0e..cb4719132 100644 --- a/cmake/FindLuabind.cmake +++ b/cmake/FindLuabind.cmake @@ -3,14 +3,13 @@ # LUABIND_FOUND, if false, do not try to link to Luabind # LUABIND_LIBRARIES # LUABIND_INCLUDE_DIR, where to find luabind.hpp -# -# Note that the expected include convention is -# #include -# and not -# #include -IF( NOT LUABIND_FIND_QUIETLY ) - MESSAGE(STATUS "Looking for Luabind...") +FIND_PACKAGE(Lua REQUIRED) +IF ("${LUA_VERSION_MAJOR}" STREQUAL "5" AND + ("${LUA_VERSION_MINOR}" STREQUAL "1" OR "${LUA_VERSION_MINOR}" STREQUAL "2")) + MESSAGE(STATUS "Using Lua ${LUA_VERSION_STRING}") +ELSE() + MESSAGE(FATAL_ERROR "Lua ${LUA_VERSION_STRING} detected; need 5.1 or 5.2") ENDIF() FIND_PATH(LUABIND_INCLUDE_DIR luabind.hpp diff --git a/cmake/check_luabind.cmake b/cmake/check_luabind.cmake deleted file mode 100644 index 5284e660a..000000000 --- a/cmake/check_luabind.cmake +++ /dev/null @@ -1,34 +0,0 @@ -INCLUDE (CheckCXXSourceCompiles) -unset(LUABIND_WORKS CACHE) -unset(LUABIND51_WORKS CACHE) -set (LUABIND_CHECK_SRC "extern \"C\" {\n#include \"lua.h\"\n#include \"lauxlib.h\"\n}\n#include \nint main() { lua_State *x = luaL_newstate(); luabind::open(x); }") -set (CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE}) -set (CMAKE_REQUIRED_INCLUDES "${Boost_INCLUDE_DIR};${LUABIND_INCLUDE_DIR};${LUA_INCLUDE_DIR}") -set (CMAKE_REQUIRED_LIBRARIES "${LUABIND_LIBRARY};${LUA_LIBRARY}") - -find_package(Lua52) -if(LUA52_FOUND) - set (CMAKE_REQUIRED_INCLUDES "${Boost_INCLUDE_DIR};${LUABIND_INCLUDE_DIR};${LUA_INCLUDE_DIR}") - set (CMAKE_REQUIRED_LIBRARIES "${LUABIND_LIBRARY};${LUA_LIBRARY}") - CHECK_CXX_SOURCE_COMPILES("${LUABIND_CHECK_SRC}" LUABIND_WORKS) -endif() - -if(LUABIND_WORKS) - message(STATUS "Luabind/Lua5.2 combination working with ${LUA_LIBRARY}") -else() - message(STATUS "Luabind/Lua5.2 not feasible, falling back to Lua 5.1.") - unset(LUA_FOUND CACHE) - unset(LUA_INCLUDE_DIR CACHE) - unset(LUA_LIBRARY CACHE) - find_package(Lua51 REQUIRED) - set (CMAKE_REQUIRED_INCLUDES "${Boost_INCLUDE_DIR};${LUABIND_INCLUDE_DIR};${LUA_INCLUDE_DIR}") - set (CMAKE_REQUIRED_LIBRARIES "${LUABIND_LIBRARY};${LUA_LIBRARY}") - - CHECK_CXX_SOURCE_COMPILES("${LUABIND_CHECK_SRC}" LUABIND51_WORKS) - - if(LUABIND51_WORKS) - message(STATUS "Luabind works with Lua 5.1 at ${LUA_LIBRARY}") - else() - message(FATAL_ERROR "Luabind does not work with Lua 5.1 at ${LUA_LIBRARY}, no working Luabind found") - endif() -endif()