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# Modfied from luajit.cmake
# Added LUA_ADD_EXECUTABLE Ryan Phillips <ryan at trolocsis.com>
# This CMakeLists.txt has been first taken from LuaDist
# Copyright (C) 2007-2011 LuaDist.
# Created by Peter Drahoš
# Redistribution and use of this file is allowed according to the terms of the MIT license.
# Debugged and (now seriously) modified by Ronan Collobert, for Torch7
#project(Lua54 C)
SET(LUA_DIR ${CMAKE_CURRENT_LIST_DIR}/lua CACHE PATH "location of lua sources")
SET(CMAKE_REQUIRED_INCLUDES
${LUA_DIR}
${CMAKE_CURRENT_BINARY_DIR}
)
OPTION(WITH_AMALG "Build eveything in one shot (needs memory)" ON)
# Ugly warnings
IF(MSVC)
ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
ENDIF()
# Various includes
INCLUDE(CheckLibraryExists)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckTypeSize)
CHECK_TYPE_SIZE("void*" SIZEOF_VOID_P)
IF(SIZEOF_VOID_P EQUAL 8)
ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE)
ENDIF()
IF(NOT WIN32)
FIND_LIBRARY(DL_LIBRARY "dl")
IF(DL_LIBRARY)
SET(CMAKE_REQUIRED_LIBRARIES ${DL_LIBRARY})
LIST(APPEND LIBS ${DL_LIBRARY})
ENDIF(DL_LIBRARY)
CHECK_FUNCTION_EXISTS(dlopen LUA_USE_DLOPEN)
IF(NOT LUA_USE_DLOPEN)
MESSAGE(FATAL_ERROR "Cannot compile a useful lua.
Function dlopen() seems not to be supported on your platform.
Apparently you are not on a Windows platform as well.
So lua has no way to deal with shared libraries!")
ENDIF(NOT LUA_USE_DLOPEN)
ENDIF(NOT WIN32)
check_library_exists(m sin "" LUA_USE_LIBM)
if ( LUA_USE_LIBM )
list ( APPEND LIBS m )
endif ()
## SOURCES
SET(SRC_LUALIB
${LUA_DIR}/lbaselib.c
${LUA_DIR}/lcorolib.c
${LUA_DIR}/ldblib.c
${LUA_DIR}/liolib.c
${LUA_DIR}/lmathlib.c
${LUA_DIR}/loadlib.c
${LUA_DIR}/loslib.c
${LUA_DIR}/lstrlib.c
${LUA_DIR}/ltablib.c
${LUA_DIR}/lutf8lib.c)
SET(SRC_LUACORE
${LUA_DIR}/lauxlib.c
${LUA_DIR}/lapi.c
${LUA_DIR}/lcode.c
${LUA_DIR}/lctype.c
${LUA_DIR}/ldebug.c
${LUA_DIR}/ldo.c
${LUA_DIR}/ldump.c
${LUA_DIR}/lfunc.c
${LUA_DIR}/lgc.c
${LUA_DIR}/linit.c
${LUA_DIR}/llex.c
${LUA_DIR}/lmem.c
${LUA_DIR}/lobject.c
${LUA_DIR}/lopcodes.c
${LUA_DIR}/lparser.c
${LUA_DIR}/lstate.c
${LUA_DIR}/lstring.c
${LUA_DIR}/ltable.c
${LUA_DIR}/ltm.c
${LUA_DIR}/lundump.c
${LUA_DIR}/lvm.c
${LUA_DIR}/lzio.c
${SRC_LUALIB})
## GENERATE
IF(WITH_SHARED_LUA)
IF(WITH_AMALG)
add_library(lualib SHARED ${LUA_DIR}/onelua.c)
ELSE()
add_library(lualib SHARED ${SRC_LUACORE})
ENDIF()
ELSE()
IF(WITH_AMALG)
add_library(lualib STATIC ${LUA_DIR}/onelua.c )
ELSE()
add_library(lualib STATIC ${SRC_LUACORE} )
ENDIF()
set_target_properties(lualib PROPERTIES
PREFIX "lib" IMPORT_PREFIX "lib")
ENDIF()
set_target_properties(lualib PROPERTIES
COMPILE_DEFINITIONS MAKE_LIB=1)
target_link_libraries (lualib ${LIBS} )
set_target_properties (lualib PROPERTIES OUTPUT_NAME "lua54")
add_executable(lua ${LUA_DIR}/lua.c)
IF(WIN32)
target_link_libraries(lua lualib)
ELSE()
target_compile_definitions(lualib PRIVATE LUA_USE_POSIX)
target_link_libraries(lua lualib ${LIBS})
SET_TARGET_PROPERTIES(lua PROPERTIES ENABLE_EXPORTS ON)
ENDIF(WIN32)
MACRO(LUA_add_custom_commands luajit_target)
SET(target_srcs "")
FOREACH(file ${ARGN})
IF(${file} MATCHES ".*\\.lua$")
if(NOT IS_ABSOLUTE ${file})
set(file "${CMAKE_CURRENT_SOURCE_DIR}/${file}")
endif()
set(source_file ${file})
string(LENGTH ${CMAKE_SOURCE_DIR} _luajit_source_dir_length)
string(LENGTH ${file} _luajit_file_length)
math(EXPR _begin "${_luajit_source_dir_length} + 1")
math(EXPR _stripped_file_length "${_luajit_file_length} - ${_luajit_source_dir_length} - 1")
string(SUBSTRING ${file} ${_begin} ${_stripped_file_length} stripped_file)
set(generated_file "${CMAKE_BINARY_DIR}/luacode_tmp/${stripped_file}_${luajit_target}_generated.c")
add_custom_command(
OUTPUT ${generated_file}
MAIN_DEPENDENCY ${source_file}
DEPENDS lua
COMMAND lua
ARGS "${LUA_DIR}/../luac.lua"
${source_file}
${generated_file}
COMMENT "Building Lua ${source_file}: ${generated_file}"
)
get_filename_component(basedir ${generated_file} PATH)
file(MAKE_DIRECTORY ${basedir})
set(target_srcs ${target_srcs} ${generated_file})
set_source_files_properties(
${generated_file}
properties
generated true # to say that "it is OK that the obj-files do not exist before build time"
)
ELSE()
set(target_srcs ${target_srcs} ${file})
ENDIF(${file} MATCHES ".*\\.lua$")
ENDFOREACH(file)
ENDMACRO()
MACRO(LUA_ADD_EXECUTABLE luajit_target)
LUA_add_custom_commands(${luajit_target} ${ARGN})
add_executable(${luajit_target} ${target_srcs})
ENDMACRO(LUA_ADD_EXECUTABLE luajit_target)
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