forked from OSchip/llvm-project
355 lines
14 KiB
CMake
355 lines
14 KiB
CMake
# CMake build for CompilerRT.
|
|
#
|
|
# This build assumes that CompilerRT is checked out into the
|
|
# 'projects/compiler-rt' inside of an LLVM tree.
|
|
# Standalone build system for CompilerRT is not yet ready.
|
|
#
|
|
# An important constraint of the build is that it only produces libraries
|
|
# based on the ability of the host toolchain to target various platforms.
|
|
|
|
# Check if compiler-rt is built as a standalone project.
|
|
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
|
|
project(CompilerRT C CXX)
|
|
set(COMPILER_RT_STANDALONE_BUILD TRUE)
|
|
else()
|
|
set(COMPILER_RT_STANDALONE_BUILD FALSE)
|
|
endif()
|
|
|
|
# The CompilerRT build system requires CMake version 2.8.8 or higher in order
|
|
# to use its support for building convenience "libraries" as a collection of
|
|
# .o files. This is particularly useful in producing larger, more complex
|
|
# runtime libraries.
|
|
if (NOT MSVC)
|
|
cmake_minimum_required(VERSION 2.8.8)
|
|
else()
|
|
# Version 2.8.12.1 is required to build with Visual Studion 2013.
|
|
cmake_minimum_required(VERSION 2.8.12.1)
|
|
endif()
|
|
|
|
# FIXME: It may be removed when we use 2.8.12.
|
|
if(CMAKE_VERSION VERSION_LESS 2.8.12)
|
|
# Invalidate a couple of keywords.
|
|
set(cmake_2_8_12_INTERFACE)
|
|
set(cmake_2_8_12_PRIVATE)
|
|
else()
|
|
# Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
|
|
set(cmake_2_8_12_INTERFACE INTERFACE)
|
|
set(cmake_2_8_12_PRIVATE PRIVATE)
|
|
if(POLICY CMP0022)
|
|
cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
|
|
endif()
|
|
endif()
|
|
|
|
# Top level target used to build all compiler-rt libraries.
|
|
add_custom_target(compiler-rt ALL)
|
|
|
|
if (NOT COMPILER_RT_STANDALONE_BUILD)
|
|
# Compute the Clang version from the LLVM version.
|
|
# FIXME: We should be able to reuse CLANG_VERSION variable calculated
|
|
# in Clang cmake files, instead of copying the rules here.
|
|
string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
|
|
${PACKAGE_VERSION})
|
|
# Setup the paths where compiler-rt runtimes and headers should be stored.
|
|
set(COMPILER_RT_OUTPUT_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION})
|
|
set(COMPILER_RT_EXEC_OUTPUT_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
|
|
set(COMPILER_RT_INSTALL_PATH lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
|
|
option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests."
|
|
${LLVM_INCLUDE_TESTS})
|
|
option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered"
|
|
${LLVM_ENABLE_WERROR})
|
|
# Use just-built Clang to compile/link tests on all platforms, except for
|
|
# Windows where we need to use clang-cl instead.
|
|
if(NOT MSVC)
|
|
set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
|
|
else()
|
|
set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang.exe)
|
|
endif()
|
|
else()
|
|
# Take output dir and install path from the user.
|
|
set(COMPILER_RT_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH
|
|
"Path where built compiler-rt libraries should be stored.")
|
|
set(COMPILER_RT_EXEC_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/bin CACHE PATH
|
|
"Path where built compiler-rt executables should be stored.")
|
|
set(COMPILER_RT_INSTALL_PATH ${CMAKE_INSTALL_PREFIX} CACHE PATH
|
|
"Path where built compiler-rt libraries should be installed.")
|
|
option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests." OFF)
|
|
option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered" OFF)
|
|
# Use a host compiler to compile/link tests.
|
|
set(COMPILER_RT_TEST_COMPILER ${CMAKE_C_COMPILER} CACHE PATH "Compiler to use for testing")
|
|
|
|
if (NOT LLVM_CONFIG_PATH)
|
|
find_program(LLVM_CONFIG_PATH "llvm-config"
|
|
DOC "Path to llvm-config binary")
|
|
if (NOT LLVM_CONFIG_PATH)
|
|
message(FATAL_ERROR "llvm-config not found: specify LLVM_CONFIG_PATH")
|
|
endif()
|
|
endif()
|
|
execute_process(
|
|
COMMAND ${LLVM_CONFIG_PATH} "--obj-root" "--bindir" "--libdir" "--src-root"
|
|
RESULT_VARIABLE HAD_ERROR
|
|
OUTPUT_VARIABLE CONFIG_OUTPUT)
|
|
if (HAD_ERROR)
|
|
message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
|
|
endif()
|
|
string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" CONFIG_OUTPUT ${CONFIG_OUTPUT})
|
|
list(GET CONFIG_OUTPUT 0 LLVM_BINARY_DIR)
|
|
list(GET CONFIG_OUTPUT 1 LLVM_TOOLS_BINARY_DIR)
|
|
list(GET CONFIG_OUTPUT 2 LLVM_LIBRARY_DIR)
|
|
list(GET CONFIG_OUTPUT 3 LLVM_MAIN_SRC_DIR)
|
|
|
|
# Make use of LLVM CMake modules.
|
|
file(TO_CMAKE_PATH ${LLVM_BINARY_DIR} LLVM_BINARY_DIR_CMAKE_STYLE)
|
|
set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR_CMAKE_STYLE}/share/llvm/cmake")
|
|
list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
|
|
# Get some LLVM variables from LLVMConfig.
|
|
include("${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
|
|
|
|
set(LLVM_LIBRARY_OUTPUT_INTDIR
|
|
${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
|
|
|
|
# Find Python interpreter.
|
|
set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
|
|
include(FindPythonInterp)
|
|
if(NOT PYTHONINTERP_FOUND)
|
|
message(FATAL_ERROR "
|
|
Unable to find Python interpreter required testing. Please install Python
|
|
or specify the PYTHON_EXECUTABLE CMake variable.")
|
|
endif()
|
|
|
|
# Define default arguments to lit.
|
|
set(LIT_ARGS_DEFAULT "-sv")
|
|
if (MSVC OR XCODE)
|
|
set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
|
|
endif()
|
|
set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
|
|
endif()
|
|
|
|
if("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang[+]*$")
|
|
set(COMPILER_RT_TEST_COMPILER_ID Clang)
|
|
elseif("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang.*.exe$")
|
|
set(COMPILER_RT_TEST_COMPILER_ID Clang)
|
|
else()
|
|
set(COMPILER_RT_TEST_COMPILER_ID GNU)
|
|
endif()
|
|
|
|
# Tests using XFAIL use the first value in COMPILER_RT_TEST_TARGET_TRIPLE
|
|
set(COMPILER_RT_TEST_TARGET_TRIPLE ${TARGET_TRIPLE} CACHE STRING
|
|
"Default triple for cross-compiled executables")
|
|
string(REPLACE "-" ";" TARGET_TRIPLE_LIST ${COMPILER_RT_TEST_TARGET_TRIPLE})
|
|
list(GET TARGET_TRIPLE_LIST 0 COMPILER_RT_TEST_TARGET_ARCH)
|
|
list(GET TARGET_TRIPLE_LIST 1 COMPILER_RT_TEST_TARGET_OS)
|
|
list(GET TARGET_TRIPLE_LIST 2 COMPILER_RT_TEST_TARGET_ABI)
|
|
|
|
if ("${COMPILER_RT_TEST_TARGET_ABI}" STREQUAL "androideabi")
|
|
set(ANDROID 1)
|
|
endif()
|
|
|
|
string(TOLOWER ${CMAKE_SYSTEM_NAME} COMPILER_RT_OS_DIR)
|
|
set(COMPILER_RT_LIBRARY_OUTPUT_DIR
|
|
${COMPILER_RT_OUTPUT_DIR}/lib/${COMPILER_RT_OS_DIR})
|
|
set(COMPILER_RT_LIBRARY_INSTALL_DIR
|
|
${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
|
|
|
|
# Add path for custom compiler-rt modules.
|
|
set(CMAKE_MODULE_PATH
|
|
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
|
|
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
|
|
${CMAKE_MODULE_PATH}
|
|
)
|
|
include(CompilerRTUtils)
|
|
|
|
set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
|
|
set(COMPILER_RT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
|
|
|
|
# We support running instrumented tests when we're not cross compiling
|
|
# and target a UNIX-like system or Windows.
|
|
# We can run tests on Android even when we are cross-compiling.
|
|
if(("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND (UNIX OR MSVC)) OR ANDROID
|
|
OR COMPILER_RT_EMULATOR)
|
|
option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" ON)
|
|
else()
|
|
option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" OFF)
|
|
endif()
|
|
|
|
option(COMPILER_RT_DEBUG "Build runtimes with full debug info" OFF)
|
|
# COMPILER_RT_DEBUG_PYBOOL is used by lit.common.configured.in.
|
|
pythonize_bool(COMPILER_RT_DEBUG)
|
|
|
|
#================================
|
|
# Setup Compiler Flags
|
|
#================================
|
|
include(CheckIncludeFile)
|
|
check_include_file(unwind.h HAVE_UNWIND_H)
|
|
|
|
include(config-ix)
|
|
|
|
if(MSVC)
|
|
append_string_if(COMPILER_RT_HAS_W3_FLAG /W3 CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
|
|
else()
|
|
append_string_if(COMPILER_RT_HAS_WALL_FLAG -Wall CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
|
|
endif()
|
|
if(COMPILER_RT_ENABLE_WERROR)
|
|
append_string_if(COMPILER_RT_HAS_WERROR_FLAG -Werror CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
|
|
append_string_if(COMPILER_RT_HAS_WX_FLAG /WX CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
|
|
endif()
|
|
|
|
append_string_if(COMPILER_RT_HAS_STD_CXX11_FLAG -std=c++11 CMAKE_CXX_FLAGS)
|
|
|
|
# Emulate C99 and C++11's __func__ for MSVC prior to 2013 CTP.
|
|
if(NOT COMPILER_RT_HAS_FUNC_SYMBOL)
|
|
add_definitions(-D__func__=__FUNCTION__)
|
|
endif()
|
|
|
|
# Provide some common commmandline flags for Sanitizer runtimes.
|
|
append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FNO_BUILTIN_FLAG -fno-builtin SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG -fomit-frame-pointer SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FUNWIND_TABLES_FLAG -funwind-tables SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG -fno-stack-protector SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FNO_SANITIZE_SAFE_STACK_FLAG -fno-sanitize=safe-stack SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG -fvisibility=hidden SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG -fno-function-sections SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto SANITIZER_COMMON_CFLAGS)
|
|
|
|
if(MSVC)
|
|
# Replace the /M[DT][d] flags with /MT, and strip any definitions of _DEBUG,
|
|
# which cause definition mismatches at link time.
|
|
# FIXME: In fact, sanitizers should support both /MT and /MD, see PR20214.
|
|
if(COMPILER_RT_HAS_MT_FLAG)
|
|
foreach(flag_var
|
|
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
|
|
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
|
|
string(REGEX REPLACE "/M[DT]d" "/MT" ${flag_var} "${${flag_var}}")
|
|
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
|
|
string(REGEX REPLACE "/D_DEBUG" "" ${flag_var} "${${flag_var}}")
|
|
endforeach()
|
|
endif()
|
|
append_list_if(COMPILER_RT_HAS_Oy_FLAG /Oy- SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_GS_FLAG /GS- SANITIZER_COMMON_CFLAGS)
|
|
endif()
|
|
|
|
append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 SANITIZER_COMMON_CFLAGS)
|
|
|
|
# Build with optimization, unless we're in debug mode. If we're using MSVC,
|
|
# always respect the optimization flags set by CMAKE_BUILD_TYPE instead.
|
|
if(NOT COMPILER_RT_DEBUG AND NOT MSVC)
|
|
list(APPEND SANITIZER_COMMON_CFLAGS -O3)
|
|
endif()
|
|
|
|
# Determine if we should restrict stack frame sizes.
|
|
# Stack frames on PowerPC and Mips and in debug biuld can be much larger than
|
|
# anticipated.
|
|
# FIXME: Fix all sanitizers and add -Wframe-larger-than to
|
|
# SANITIZER_COMMON_FLAGS
|
|
if(COMPILER_RT_HAS_WFRAME_LARGER_THAN_FLAG AND NOT COMPILER_RT_DEBUG
|
|
AND NOT ${LLVM_NATIVE_ARCH} STREQUAL "PowerPC"
|
|
AND NOT ${LLVM_NATIVE_ARCH} STREQUAL "Mips")
|
|
set(SANITIZER_LIMIT_FRAME_SIZE TRUE)
|
|
else()
|
|
set(SANITIZER_LIMIT_FRAME_SIZE FALSE)
|
|
endif()
|
|
|
|
# Build sanitizer runtimes with debug info.
|
|
if(COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG AND NOT COMPILER_RT_DEBUG)
|
|
list(APPEND SANITIZER_COMMON_CFLAGS -gline-tables-only)
|
|
elseif(COMPILER_RT_HAS_G_FLAG)
|
|
list(APPEND SANITIZER_COMMON_CFLAGS -g)
|
|
elseif(COMPILER_RT_HAS_Zi_FLAG)
|
|
list(APPEND SANITIZER_COMMON_CFLAGS /Zi)
|
|
endif()
|
|
|
|
# Turn off several warnings.
|
|
append_list_if(COMPILER_RT_HAS_WGNU_FLAG -Wno-gnu SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG -Wno-variadic-macros SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WC99_EXTENSIONS_FLAG -Wno-c99-extensions SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WNON_VIRTUAL_DTOR_FLAG -Wno-non-virtual-dtor SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4146_FLAG /wd4146 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4291_FLAG /wd4291 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4391_FLAG /wd4391 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4722_FLAG /wd4722 SANITIZER_COMMON_CFLAGS)
|
|
append_list_if(COMPILER_RT_HAS_WD4800_FLAG /wd4800 SANITIZER_COMMON_CFLAGS)
|
|
if(APPLE)
|
|
macro(find_darwin_sdk_dir var sdk_name)
|
|
# Let's first try the internal SDK, otherwise use the public SDK.
|
|
execute_process(
|
|
COMMAND xcodebuild -version -sdk ${sdk_name}.internal Path
|
|
OUTPUT_VARIABLE ${var}
|
|
OUTPUT_STRIP_TRAILING_WHITESPACE
|
|
ERROR_FILE /dev/null
|
|
)
|
|
if(${var} STREQUAL "")
|
|
execute_process(
|
|
COMMAND xcodebuild -version -sdk ${sdk_name} Path
|
|
OUTPUT_VARIABLE ${var}
|
|
OUTPUT_STRIP_TRAILING_WHITESPACE
|
|
ERROR_FILE /dev/null
|
|
)
|
|
endif()
|
|
endmacro()
|
|
|
|
find_darwin_sdk_dir(OSX_SDK_DIR macosx)
|
|
find_darwin_sdk_dir(IOSSIM_SDK_DIR iphonesimulator)
|
|
|
|
set(SANITIZER_COMMON_SUPPORTED_OS osx)
|
|
string(REGEX MATCH "-mmacosx-version-min=([.0-9]+)"
|
|
MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
|
|
if(MACOSX_VERSION_MIN_FLAG)
|
|
set(SANITIZER_MIN_OSX_VERSION "${CMAKE_MATCH_1}")
|
|
elseif(CMAKE_OSX_DEPLOYMENT_TARGET)
|
|
set(SANITIZER_MIN_OSX_VERSION ${CMAKE_OSX_DEPLOYMENT_TARGET})
|
|
else()
|
|
set(SANITIZER_MIN_OSX_VERSION 10.9)
|
|
if(IOSSIM_SDK_DIR)
|
|
list(APPEND SANITIZER_COMMON_SUPPORTED_OS iossim)
|
|
endif()
|
|
endif()
|
|
if(SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.7")
|
|
message(FATAL_ERROR "Too old OS X version: ${SANITIZER_MIN_OSX_VERSION}")
|
|
endif()
|
|
|
|
set(CMAKE_OSX_DEPLOYMENT_TARGET "") # We evaluate target OS X version above.
|
|
set(DARWIN_osx_CFLAGS -mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION}
|
|
-stdlib=libc++)
|
|
set(DARWIN_iossim_CFLAGS
|
|
-stdlib=libc++
|
|
-mios-simulator-version-min=7.0 -isysroot ${IOSSIM_SDK_DIR})
|
|
set(DARWIN_osx_LINKFLAGS -mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION}
|
|
-stdlib=libc++ -lc++ -lc++abi)
|
|
set(DARWIN_iossim_LINKFLAGS
|
|
-stdlib=libc++ -lc++ -lc++abi
|
|
-Wl,-ios_simulator_version_min,7.0.0
|
|
-mios-simulator-version-min=7.0
|
|
-isysroot ${IOSSIM_SDK_DIR})
|
|
|
|
if(OSX_SDK_DIR)
|
|
list(APPEND DARWIN_osx_CFLAGS -isysroot ${OSX_SDK_DIR})
|
|
list(APPEND DARWIN_osx_LINKFLAGS -isysroot ${OSX_SDK_DIR})
|
|
endif()
|
|
endif()
|
|
|
|
if(APPLE AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
|
|
# Mac OS X prior to 10.9 had problems with exporting symbols from
|
|
# libc++/libc++abi.
|
|
set(SANITIZER_CAN_USE_CXXABI FALSE)
|
|
else()
|
|
set(SANITIZER_CAN_USE_CXXABI TRUE)
|
|
endif()
|
|
pythonize_bool(SANITIZER_CAN_USE_CXXABI)
|
|
|
|
add_subdirectory(include)
|
|
|
|
set(COMPILER_RT_LIBCXX_PATH ${LLVM_MAIN_SRC_DIR}/projects/libcxx)
|
|
if(EXISTS ${COMPILER_RT_LIBCXX_PATH}/)
|
|
set(COMPILER_RT_HAS_LIBCXX_SOURCES TRUE)
|
|
else()
|
|
set(COMPILER_RT_HAS_LIBCXX_SOURCES FALSE)
|
|
endif()
|
|
|
|
add_subdirectory(lib)
|
|
|
|
if(COMPILER_RT_INCLUDE_TESTS)
|
|
add_subdirectory(unittests)
|
|
endif()
|
|
add_subdirectory(test)
|