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CMakeLists.txt
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CMakeLists.txt
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# Copyright 2015-present Samsung Electronics Co., Ltd. and other contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cmake_minimum_required(VERSION 2.8)
include(CheckCCompilerFlag)
project(IOTJS C)
set(IOTJS_VERSION_MAJOR 1)
set(IOTJS_VERSION_MINOR 0)
if(NOT DEFINED TARGET_OS)
string(TOLOWER ${CMAKE_SYSTEM_NAME} TARGET_OS)
message(
"TARGET_OS not specified, using '${TARGET_OS}' from CMAKE_SYSTEM_NAME")
endif()
if(NOT CMAKE_BUILD_TYPE)
message("CMAKE_BUILD_TYPE was not set! Configuring for Debug build!")
set(CMAKE_BUILD_TYPE Debug)
elseif("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
message("CMAKE_BUILD_TYPE was set to Release, switching to MinSizeRel")
set(CMAKE_BUILD_TYPE MinSizeRel)
endif()
if(NOT DEFINED BUILD_LIB_ONLY)
set(BUILD_LIB_ONLY OFF)
endif()
if(NOT DEFINED ENABLE_SNAPSHOT)
message("Snapshot mode force enabled")
set(ENABLE_SNAPSHOT ON)
endif()
if(NOT DEFINED ENABLE_LTO)
message("LTO force disabled")
set(ENABLE_LTO OFF)
endif()
macro(iotjs_add_flags VAR)
foreach(_flag ${ARGN})
set(${VAR} "${${VAR}} ${_flag}")
endforeach()
endmacro()
macro(iotjs_add_compile_flags)
iotjs_add_flags(CMAKE_C_FLAGS ${ARGV})
endmacro()
macro(iotjs_add_link_flags)
iotjs_add_flags(IOTJS_LINKER_FLAGS ${ARGV})
endmacro()
macro(build_lib_name LIB_VAR NAME)
set(${LIB_VAR}
${CMAKE_STATIC_LIBRARY_PREFIX}${NAME}${CMAKE_STATIC_LIBRARY_SUFFIX})
endmacro()
if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
set(USING_MSVC 1)
set(CONFIG_TYPE $<$<CONFIG:Debug>:Debug>$<$<CONFIG:Release>:Release>)
# disable warning C4820: 'x' bytes padding added after construct 'membername'
iotjs_add_compile_flags(-wd4820)
# disable warning C4668: 'symbol' is not defined as preprocessor macro,
# replacing with '0' for 'directives'
# some windows headers reports these warnings
iotjs_add_compile_flags(-wd4668)
# disable warning C4100: unreferenced formal parameter
iotjs_add_compile_flags(-wd4100)
endif()
CHECK_C_COMPILER_FLAG(-no-pie HAS_NO_PIE)
# Add buildtype-related flags
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
iotjs_add_compile_flags(-DDEBUG -DENABLE_DEBUG_LOG)
if(HAS_NO_PIE AND NOT "${TARGET_OS}" STREQUAL "darwin")
iotjs_add_link_flags(-no-pie)
endif()
else()
iotjs_add_compile_flags(-fPIE)
if("${TARGET_OS}" STREQUAL "darwin")
iotjs_add_link_flags(-Wl,-pie)
else()
iotjs_add_link_flags(-pie)
endif()
endif()
if (CREATE_SHARED_LIB)
iotjs_add_compile_flags(-fPIC)
endif()
if(EXPERIMENTAL)
iotjs_add_compile_flags(-DEXPERIMENTAL)
endif()
# Add arch-dependant flags
if(NOT DEFINED TARGET_ARCH)
message(WARNING "Use generic flags since TARGET_ARCH is not defined")
set(TARGET_ARCH "noarch")
endif()
if("${TARGET_ARCH}" STREQUAL "arm")
iotjs_add_compile_flags(-D__arm__ -mthumb -fno-short-enums -mlittle-endian)
elseif("${TARGET_ARCH}" STREQUAL "i686")
iotjs_add_compile_flags(-D__i686__ -D__x86__)
if(NOT USING_MSVC)
iotjs_add_compile_flags(-march=i686 -m32)
endif()
elseif("${TARGET_ARCH}" STREQUAL "x86_64")
iotjs_add_compile_flags(-D__x86_64__)
elseif("${TARGET_ARCH}" STREQUAL "mips")
message("MIPS support is experimental!")
if(NOT EXPERIMENTAL)
message(FATAL_ERROR "Missing --experimental build option for MIPS!")
endif()
if(ENABLE_SNAPSHOT)
message(FATAL_ERROR "Cross endian snapshots are not supported. "
"Please disable snapshot mode for mips!")
endif()
elseif("${TARGET_ARCH}" STREQUAL "noarch")
else()
message(WARNING "Unknown target arch: ${TARGET_ARCH}.")
endif()
# Add board-dependant flags
if(NOT DEFINED TARGET_BOARD)
set(TARGET_BOARD "generic")
endif()
iotjs_add_compile_flags(-DTARGET_BOARD=${TARGET_BOARD})
string(TOUPPER ${TARGET_BOARD} TARGET_BOARD_UPPER)
string(CONCAT TARGET_BOARD_SYMBOL "TARGET_BOARD_" ${TARGET_BOARD_UPPER})
iotjs_add_compile_flags(-D${TARGET_BOARD_SYMBOL}=1)
if("${TARGET_BOARD}" STREQUAL "artik05x")
iotjs_add_compile_flags(-mcpu=cortex-r4 -mfpu=vfp3)
elseif("${TARGET_BOARD}" STREQUAL "artik10")
iotjs_add_compile_flags(-mcpu=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=softfp)
elseif("${TARGET_BOARD}" STREQUAL "rpi2")
iotjs_add_compile_flags(-mcpu=cortex-a7 -mfpu=neon-vfpv4)
elseif("${TARGET_BOARD}" STREQUAL "rpi3")
if("${TARGET_OS}" STREQUAL "tizen")
iotjs_add_compile_flags(-mfpu=neon-vfpv4 -mfloat-abi=softfp)
endif()
elseif("${TARGET_BOARD}" STREQUAL "stm32f4dis")
iotjs_add_compile_flags(-mcpu=cortex-m4 -march=armv7e-m -mfpu=fpv4-sp-d16)
iotjs_add_compile_flags(-mfloat-abi=hard)
elseif("${TARGET_BOARD}" STREQUAL "stm32f7nucleo")
iotjs_add_compile_flags(-mcpu=cortex-m7)
iotjs_add_compile_flags(-mfloat-abi=hard)
endif()
# Add os-dependant flags
if("${TARGET_OS}" STREQUAL "darwin")
iotjs_add_compile_flags(-D__DARWIN__ -fno-builtin)
elseif("${TARGET_OS}" STREQUAL "linux")
iotjs_add_compile_flags(-D__LINUX__ -fno-builtin)
iotjs_add_link_flags(-pthread -rdynamic)
iotjs_add_flags(EXTERNAL_LIBS m rt)
elseif("${TARGET_OS}" STREQUAL "nuttx")
iotjs_add_compile_flags(-D__NUTTX__ -Os -fno-strict-aliasing)
iotjs_add_compile_flags(-fno-strength-reduce -fomit-frame-pointer)
elseif("${TARGET_OS}" STREQUAL "tizen")
iotjs_add_compile_flags(-D__TIZEN__ -fno-builtin)
iotjs_add_link_flags(-pthread -rdynamic)
iotjs_add_flags(EXTERNAL_LIBS m rt)
elseif("${TARGET_OS}" STREQUAL "tizenrt")
iotjs_add_compile_flags(-D__TIZENRT__ -Os -fno-strict-aliasing)
iotjs_add_compile_flags(-fno-strength-reduce -fomit-frame-pointer)
elseif("${TARGET_OS}" STREQUAL "windows")
message("Windows support is experimental!")
if(NOT EXPERIMENTAL)
message(FATAL_ERROR "Missing --experimental build option for Windows!")
endif()
elseif("${TARGET_OS}" STREQUAL "openwrt")
message("OpenWrt support is experimental!")
if(NOT EXPERIMENTAL)
message(FATAL_ERROR "Missing --experimental build option for OpenWrt!")
endif()
iotjs_add_compile_flags(-D__OPENWRT__ -D_GNU_SOURCE)
iotjs_add_link_flags(-pthread)
else()
message(WARNING "Unknown target os: ${TARGET_OS}.")
endif()
# Add external options
if(DEFINED EXTERNAL_COMPILE_FLAGS)
iotjs_add_compile_flags(${EXTERNAL_COMPILE_FLAGS})
endif()
if(DEFINED EXTERNAL_LINKER_FLAGS)
iotjs_add_link_flags(${EXTERNAL_LINKER_FLAGS})
endif()
string(TOUPPER "${TARGET_OS}" TARGET_OS)
set(ROOT_DIR ${CMAKE_SOURCE_DIR})
set(ARCHIVE_DIR ${CMAKE_BINARY_DIR}/lib)
include(ExternalProject)
if(NOT ${EXTERNAL_LIBC_INTERFACE} STREQUAL "")
iotjs_add_compile_flags(-isystem ${EXTERNAL_LIBC_INTERFACE})
endif()
# Include external projects
include(cmake/jerry.cmake)
include(cmake/http-parser.cmake)
include(cmake/libtuv.cmake)
include(cmake/iotjs.cmake)