144 lines
5.5 KiB
CMake
144 lines
5.5 KiB
CMake
# The MIT License (MIT)
|
|
#
|
|
# Copyright (c) 2013 Matthew Arsenault
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in all
|
|
# copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
|
|
# This module tests if address sanitizer is supported by the compiler. The
|
|
# necessary flags for compiler and linker will be stored in variables. ASan can
|
|
# be enabled for all targets with CMake build type "ASan", individual targets
|
|
# can enable ASan with the saitize_address() function.
|
|
|
|
option(SANITIZE_ADDRESS "Selects wheter Address Sanitizer will be enabled for
|
|
individual targets" Off)
|
|
|
|
set(ASAN_FLAG_CANDIDATES
|
|
# Clang 3.2+ use this version
|
|
"-fsanitize=address"
|
|
|
|
# Older deprecated flag for ASan
|
|
"-faddress-sanitizer"
|
|
)
|
|
|
|
|
|
set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET})
|
|
set(CMAKE_REQUIRED_QUIET ${ASan_FIND_QUIETLY})
|
|
|
|
set(_ASAN_REQUIRED_VARS)
|
|
|
|
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
foreach (LANG ${ENABLED_LANGUAGES})
|
|
if (CMAKE_${LANG}_COMPILER_LOADED)
|
|
list(APPEND _ASAN_REQUIRED_VARS ASAN_${LANG}_FLAGS)
|
|
|
|
# If flags for this compiler were already found, do not try to find them
|
|
# again.
|
|
if (NOT ASAN_${LANG}_FLAGS)
|
|
foreach (FLAG ${ASAN_FLAG_CANDIDATES})
|
|
if(NOT CMAKE_REQUIRED_QUIET)
|
|
message(STATUS "Try Address sanitizer ${LANG} flag = [${FLAG}]")
|
|
endif()
|
|
|
|
set(CMAKE_REQUIRED_FLAGS "${FLAG}")
|
|
unset(ASAN_FLAG_DETECTED CACHE)
|
|
|
|
if (${LANG} STREQUAL "C")
|
|
include(CheckCCompilerFlag)
|
|
check_c_compiler_flag("${FLAG}" ASAN_FLAG_DETECTED)
|
|
|
|
elseif (${LANG} STREQUAL "CXX")
|
|
include(CheckCXXCompilerFlag)
|
|
check_cxx_compiler_flag("${FLAG}" ASAN_FLAG_DETECTED)
|
|
|
|
elseif (${LANG} STREQUAL "Fortran")
|
|
include(CheckFortranCompilerFlag)
|
|
check_fortran_compiler_flag("${FLAG}" ASAN_FLAG_DETECTED)
|
|
endif()
|
|
|
|
if (ASAN_FLAG_DETECTED)
|
|
set(ASAN_${LANG}_FLAGS "${FLAG}"
|
|
CACHE STRING "${LANG} compiler flags for Address sanitizer")
|
|
break()
|
|
endif ()
|
|
endforeach()
|
|
endif ()
|
|
endif ()
|
|
endforeach ()
|
|
|
|
set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE})
|
|
|
|
|
|
if (_ASAN_REQUIRED_VARS)
|
|
include(FindPackageHandleStandardArgs)
|
|
find_package_handle_standard_args(ASan REQUIRED_VARS ${_ASAN_REQUIRED_VARS})
|
|
mark_as_advanced(${_ASAN_REQUIRED_VARS})
|
|
unset(_ASAN_REQUIRED_VARS)
|
|
else()
|
|
message(SEND_ERROR "FindASan requires C, CXX or Fortran language to be enabled")
|
|
endif()
|
|
|
|
|
|
# add build target ASan
|
|
if (ASan_FOUND)
|
|
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
foreach (LANG ${ENABLED_LANGUAGES})
|
|
set(CMAKE_${LANG}_FLAGS_ASAN "${ASAN_${LANG}_FLAGS}" CACHE
|
|
STRING "Flags used by the ${LANG} compiler during ASan builds.")
|
|
mark_as_advanced(CMAKE_${LANG}_FLAGS_ASAN)
|
|
endforeach ()
|
|
|
|
set(CMAKE_EXE_LINKER_FLAGS_ASAN "${ASAN_C_FLAGS}" CACHE
|
|
STRING "Flags used for linking binaries during ASan builds.")
|
|
set(CMAKE_SHARED_LINKER_FLAGS_ASAN "${ASAN_C_FLAGS}" CACHE
|
|
STRING "Flags used by the shared libraries linker during ASan builds.")
|
|
set(CMAKE_MODULE_LINKER_FLAGS_ASAN "${ASAN_C_FLAGS}" CACHE
|
|
STRING "Flags used by the module libraries linker during ASan builds.")
|
|
mark_as_advanced(CMAKE_EXE_LINKER_FLAGS_ASAN
|
|
CMAKE_SHARED_LINKER_FLAGS_ASAN
|
|
CMAKE_MODULE_LINKER_FLAGS_ASAN)
|
|
endif ()
|
|
|
|
|
|
|
|
function (sanitize_address TARGET)
|
|
if (NOT SANITIZE_ADDRESS)
|
|
return()
|
|
endif ()
|
|
|
|
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
get_target_property(SOURCE_FILES ${TARGET} SOURCES)
|
|
foreach (SOURCE_FILE ${SOURCE_FILES})
|
|
foreach (LANG ${ENABLED_LANGUAGES})
|
|
get_filename_component(FILE_EXT "${SOURCE_FILE}" EXT)
|
|
string(TOLOWER "${FILE_EXT}" FILE_EXT)
|
|
string(SUBSTRING "${FILE_EXT}" 1 -1 FILE_EXT)
|
|
list(FIND CMAKE_${LANG}_SOURCE_FILE_EXTENSIONS "${FILE_EXT}" TEMP)
|
|
if (NOT ${TEMP} EQUAL -1)
|
|
if (DEFINED ASAN_${LANG}_FLAGS})
|
|
set_property(SOURCE ${SOURCE_FILE} APPEND_STRING PROPERTY
|
|
COMPILE_FLAGS " ${ASAN_${LANG}_FLAGS}")
|
|
endif ()
|
|
endif ()
|
|
endforeach()
|
|
endforeach (SOURCE_FILE)
|
|
|
|
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY
|
|
LINK_FLAGS " ${ASAN_C_FLAGS}")
|
|
endfunction ()
|