jerryscript/CMakeLists.txt
Robert Sipka caee6f738e Fix -Wsign-conversion Clang warning.
JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com
2016-09-06 15:56:41 +02:00

228 lines
7.2 KiB
CMake

# Copyright 2015-2016 Samsung Electronics Co., Ltd.
# Copyright 2016 University of Szeged.
#
# 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 2.8.12)
project (Jerry C ASM)
# Determining platform
set(PLATFORM "${CMAKE_SYSTEM_NAME}")
string(TOUPPER "${PLATFORM}" PLATFORM)
# Remove rdynamic option
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS )
# Components
set(JERRY_LIBC ON CACHE BOOL "Build and use jerry-libc?")
set(JERRY_LIBM ON CACHE BOOL "Build and use jerry-libm?")
set(JERRY_CMDLINE ON CACHE BOOL "Build jerry command line tool?")
set(UNITTESTS OFF CACHE BOOL "Build unit tests?")
# Optional build settings
set(PORT_DIR "${CMAKE_SOURCE_DIR}/targets/default" CACHE STRING "Use default or external port?")
set(COMPILER_DEFAULT_LIBC OFF CACHE BOOL "Use compiler default libc?")
set(ENABLE_LTO OFF CACHE BOOL "Enable LTO build?")
set(ENABLE_ALL_IN_ONE ON CACHE BOOL "Enable all-in-one build?")
set(ENABLE_STRIP ON CACHE BOOL "Enable stripping all symbols from release binary?")
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release")
endif()
if("${PLATFORM}" STREQUAL "DARWIN")
set(ENABLE_LTO "OFF")
set(ENABLE_ALL_IN_ONE "ON")
set(JERRY_LIBC "OFF")
set(JERRY_LIBM "OFF")
set(COMPILER_DEFAULT_LIBC "ON")
endif()
if(JERRY_LIBC AND COMPILER_DEFAULT_LIBC)
message(FATAL_ERROR "JERRY_LIBC and COMPILER_DEFAULT_LIBC cannot be enabled at the same time")
endif()
# Status messages
message(STATUS "CMAKE_SYSTEM_NAME " ${CMAKE_SYSTEM_NAME})
message(STATUS "CMAKE_SYSTEM_PROCESSOR " ${CMAKE_SYSTEM_PROCESSOR})
message(STATUS "CMAKE_BUILD_TYPE " ${CMAKE_BUILD_TYPE})
message(STATUS "JERRY_LIBC " ${JERRY_LIBC})
message(STATUS "JERRY_LIBM " ${JERRY_LIBM})
message(STATUS "JERRY_CMDLINE " ${JERRY_CMDLINE})
message(STATUS "UNITTESTS " ${UNITTESTS})
message(STATUS "PORT_DIR " ${PORT_DIR})
message(STATUS "COMPILER_DEFAULT_LIBC " ${COMPILER_DEFAULT_LIBC})
message(STATUS "ENABLE_LTO " ${ENABLE_LTO})
message(STATUS "ENABLE_ALL_IN_ONE " ${ENABLE_ALL_IN_ONE})
message(STATUS "ENABLE_STRIP " ${ENABLE_STRIP})
# Setup directories
# Project binary dir
set(PROJECT_BINARY_DIR "${CMAKE_BINARY_DIR}")
# Library output directory
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib/")
# Executable output directory
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/")
# Archive targets output Directory
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib/")
# Compile/link flags
# Helper macros
macro(jerry_add_flags VAR)
foreach(_flag ${ARGN})
set(${VAR} "${${VAR}} ${_flag}")
endforeach()
endmacro()
macro(jerry_add_compile_flags)
jerry_add_flags(CMAKE_C_FLAGS ${ARGV})
endmacro()
macro(jerry_add_compile_warnings)
foreach(_warning ${ARGV})
jerry_add_compile_flags(-W${_warning})
if(CMAKE_COMPILER_IS_GNUCC)
jerry_add_compile_flags(-Werror=${_warning})
endif()
endforeach()
endmacro()
macro(jerry_add_link_flags)
jerry_add_flags(LINKER_FLAGS_COMMON ${ARGV})
endmacro()
# build mode specific compile/link flags
set(CMAKE_C_FLAGS_RELEASE "-Os")
# Architecture-specific compile/link flags
jerry_add_compile_flags(${FLAGS_COMMON_ARCH})
jerry_add_flags(CMAKE_EXE_LINKER_FLAGS ${FLAGS_COMMON_ARCH})
# LTO
if(ENABLE_LTO)
jerry_add_compile_flags(-flto)
jerry_add_link_flags(-flto)
if(CMAKE_COMPILER_IS_GNUCC)
if(NOT "${PLATFORM}" STREQUAL "DARWIN")
jerry_add_compile_flags(-fno-fat-lto-objects)
endif()
# Use gcc-ar and gcc-ranlib to support LTO
set(CMAKE_AR "gcc-ar")
set(CMAKE_RANLIB "gcc-ranlib")
endif()
endif()
# Define _BSD_SOURCE if we use default port and compiler default libc
if(${PORT_DIR} STREQUAL "${CMAKE_SOURCE_DIR}/targets/default" AND COMPILER_DEFAULT_LIBC)
set(DEFINES_JERRY ${DEFINES_JERRY} _BSD_SOURCE)
endif()
# Imported targets prefix
set(PREFIX_IMPORTED_LIB imported_)
# Imported libraries
if(("${PLATFORM}" STREQUAL "DARWIN") AND (NOT CMAKE_COMPILER_IS_GNUCC))
# libclang_rt.osx
set(IMPORTED_LIB "${PREFIX_IMPORTED_LIB}libclang_rt.osx")
add_library(${IMPORTED_LIB} STATIC IMPORTED)
execute_process(COMMAND ${CMAKE_C_COMPILER} ${FLAGS_COMMON_ARCH} -print-file-name=
OUTPUT_VARIABLE IMPORTED_LIBCLANG_RT_LOCATION
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(IMPORTED_LIBCLANG_RT_LOCATION "${IMPORTED_LIBCLANG_RT_LOCATION}/lib/darwin/libclang_rt.osx.a")
set_property(TARGET ${IMPORTED_LIB}
PROPERTY IMPORTED_LOCATION ${IMPORTED_LIBCLANG_RT_LOCATION})
else()
# libgcc
set(IMPORTED_LIB "${PREFIX_IMPORTED_LIB}libgcc")
add_library(${IMPORTED_LIB} STATIC IMPORTED)
execute_process(COMMAND ${CMAKE_C_COMPILER} ${FLAGS_COMMON_ARCH} -print-file-name=libgcc.a
OUTPUT_VARIABLE IMPORTED_LIBGCC_LOCATION
OUTPUT_STRIP_TRAILING_WHITESPACE)
set_property(TARGET ${IMPORTED_LIB}
PROPERTY IMPORTED_LOCATION ${IMPORTED_LIBGCC_LOCATION})
endif()
# Compiler / Linker flags
jerry_add_compile_flags(-fno-builtin)
if(("${PLATFORM}" STREQUAL "DARWIN"))
jerry_add_link_flags(-lSystem)
else()
jerry_add_link_flags(-Wl,-z,noexecstack)
endif()
# Turn off linking to compiler's default libc, in case jerry-libc or external is used
if(NOT COMPILER_DEFAULT_LIBC)
jerry_add_link_flags(-nostdlib)
endif()
# Turn off stack protector
jerry_add_compile_flags(-fno-stack-protector)
# Debug information
jerry_add_compile_flags(-g -gdwarf-4)
jerry_add_compile_warnings(all extra format-nonliteral init-self conversion sign-conversion format-security missing-declarations)
jerry_add_compile_flags(-Wno-stack-protector -Wno-attributes)
if(CMAKE_COMPILER_IS_GNUCC)
jerry_add_compile_warnings(logical-op)
else()
jerry_add_compile_flags(-Wno-nested-anon-types -Wno-static-in-inline)
endif()
if(JERRY_LIBC)
jerry_add_compile_flags(-Werror)
endif()
if(DEFINED EXTERNAL_COMPILE_FLAGS)
jerry_add_compile_flags(${EXTERNAL_COMPILE_FLAGS})
endif()
if(DEFINED EXTERNAL_LINKER_FLAGS)
jerry_add_link_flags(${EXTERNAL_LINKER_FLAGS})
endif()
# C
jerry_add_compile_flags(-std=c99 -pedantic)
# Strip binary
if(ENABLE_STRIP AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
jerry_add_link_flags(-s)
endif()
# Jerry's libc
if(JERRY_LIBC)
add_subdirectory(jerry-libc)
endif()
# Jerry's libm
if(JERRY_LIBM)
add_subdirectory(jerry-libm)
endif()
# Jerry's core
add_subdirectory(jerry-core)
# Jerry command line tool
if(JERRY_CMDLINE)
add_subdirectory(jerry-main)
endif()
# Unittests
if(UNITTESTS)
add_subdirectory(tests/unit)
endif()