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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
if(NOT DEFINED BUNDLE_CMD)
set(BUNDLE_CMD luajit CACHE STRING "Use lua to do lua file bundle")
endif()
if(NOT DEFINED BUNDLE_CMD_ARGS)
set(BUNDLE_CMD_ARGS "" CACHE STRING "Bundle args for cross compile")
endif()
if(NOT DEFINED BUNDLE_USE_LUA2C)
set(BUNDLE_USE_LUA2C OFF CACHE BOOL "Use bin2c.lua do lua file bundle")
endif()
include (TestBigEndian)
TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
if(IS_BIG_ENDIAN)
message(STATUS "BIG_ENDIAN")
else()
message(STATUS "LITTLE_ENDIAN")
endif()
if(BUNDLE_USE_LUA2C)
file(COPY ${CMAKE_CURRENT_LIST_DIR}/lua2c.lua DESTINATION ${LUA_TARGET_PATH})
endif()
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_TARGET}
COMMAND ${BUNDLE_CMD} ARGS
${BUNDLE_CMD_ARGS} lua2c.lua ${source_file} ${generated_file}
COMMENT "${BUNDLE_CMD} ${BUNDLE_CMD_ARGS} lua2c.lua ${source_file} ${generated_file}"
WORKING_DIRECTORY ${LUA_TARGET_PATH})
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} ${file})
endif()
endforeach()
endmacro()
if(NOT LJ_TARGET_ARCH)
include(${CMAKE_CURRENT_LIST_DIR}/Modules/DetectArchitecture.cmake)
detect_architecture(LJ_DETECTED_ARCH)
if("${LJ_DETECTED_ARCH}" STREQUAL "x86")
set(LJ_TARGET_ARCH "x86")
elseif("${LJ_DETECTED_ARCH}" STREQUAL "x86_64")
set(LJ_TARGET_ARCH "x64")
elseif("${LJ_DETECTED_ARCH}" STREQUAL "AArch64")
set(LJ_TARGET_ARCH "arm64")
elseif("${LJ_DETECTED_ARCH}" STREQUAL "ARM")
set(LJ_TARGET_ARCH "arm")
elseif("${LJ_DETECTED_ARCH}" STREQUAL "Mips64")
if(IS_BIG_ENDIAN)
set(LJ_TARGET_ARCH "mips64")
else()
set(LJ_TARGET_ARCH "mips64el")
endif()
elseif("${LJ_DETECTED_ARCH}" STREQUAL "Mips")
if(IS_BIG_ENDIAN)
set(LJ_TARGET_ARCH "mips")
else()
set(LJ_TARGET_ARCH "mipsel")
endif()
elseif("${LJ_DETECTED_ARCH}" STREQUAL "PowerPC")
if(LJ_64)
set(LJ_TARGET_ARCH "ppc64")
else()
set(LJ_TARGET_ARCH "ppc")
endif()
else()
message(FATAL_ERROR "Unsupported target architecture: '${LJ_DETECTED_ARCH}'")
endif()
endif()
macro(LUAJIT_add_custom_commands luajit_target)
set(target_srcs "")
if(WIN32)
set(LJDUMP_OPT -b -g -a ${LJ_TARGET_ARCH} -o windows)
elseif(APPLE)
set(LJDUMP_OPT -b -g -a ${LJ_TARGET_ARCH} -o osx)
elseif(ANDROID OR ${CMAKE_SYSTEM_NAME} STREQUAL Linux)
set(LJDUMP_OPT -b -g -a ${LJ_TARGET_ARCH} -o linux)
else()
set(LJDUMP_OPT -b -g -a ${LJ_TARGET_ARCH})
endif()
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_CURRENT_BINARY_DIR}/jitted_tmp/${stripped_file}_${luajit_target}_generated${CMAKE_C_OUTPUT_EXTENSION}"
)
string(REPLACE ";" " " LJDUMP_OPT_STR "${LJDUMP_OPT}")
add_custom_command(
OUTPUT ${generated_file}
MAIN_DEPENDENCY ${source_file}
DEPENDS ${LUA_TARGET}
COMMAND ${BUNDLE_CMD} ARGS
${BUNDLE_CMD_ARGS}
${LJDUMP_OPT} ${source_file} ${generated_file}
COMMENT "${BUNDLE_CMD} ${BUNDLE_CMD_ARGS} ${LJDUMP_OPT_STR} ${source_file} ${generated_file}"
WORKING_DIRECTORY ${LUA_TARGET_PATH})
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
external_object
true # this is an object file
generated
true # to say that "it is OK that the obj-
# files do not exist before build time"
)
else()
set(target_srcs ${target_srcs} ${file})
endif()
endforeach()
endmacro()
if(BUNDLE_USE_LUA2C)
macro(LUA_ADD_CUSTOM luajit_target)
lua_add_custom_commands(${luajit_target} ${ARGN})
endmacro()
macro(LUA_ADD_EXECUTABLE luajit_target)
lua_add_custom_commands(${luajit_target} ${ARGN})
add_executable(${luajit_target} ${target_srcs})
endmacro()
else()
macro(LUA_ADD_CUSTOM luajit_target)
luajit_add_custom_commands(${luajit_target} ${ARGN})
endmacro()
macro(LUA_ADD_EXECUTABLE luajit_target)
luajit_add_custom_commands(${luajit_target} ${ARGN})
add_executable(${luajit_target} ${target_srcs})
endmacro()
endif()
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