Commit 570dcb93 authored by Baptiste Esteban's avatar Baptiste Esteban
Browse files

Remove CMake helpers for sanitizers + handle sanitizer on the CI with CXXFLAGS

parent cc21d9cc
Pipeline #26608 failed with stages
in 19 minutes and 57 seconds
......@@ -22,9 +22,6 @@ variables:
CONAN_STABLE_BRANCH_PATTERN: "master$"
CONAN_PASSWORD: $CONAN_LRDE_API_KEY
CONAN_CMAKE_GENERATOR: Ninja
ASAN: "OFF"
MSAN: "OFF"
UBSAN: "OFF"
CCACHE_DIR: "${CI_PROJECT_DIR}/.cache/ccache/data"
CCACHE_MAXSIZE: 2G
......@@ -46,7 +43,7 @@ windows-debug:
script:
- mkdir build; cd build
- conan install .. -s build_type=Debug --build missing -s compiler.cppstd=20 -o pylene:fPIC=True
- cmake .. -G Ninja -DCMAKE_BUILD_TYPE=debug -D CMAKE_TOOLCHAIN_FILE="C:\vcpkg\scripts\buildsystems\vcpkg.cmake" -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DPYLENE_BUILD_PYTHON=On
- cmake .. -G Ninja -DCMAKE_BUILD_TYPE=debug -D CMAKE_TOOLCHAIN_FILE="C:\vcpkg\scripts\buildsystems\vcpkg.cmake" -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DPYLENE_BUILD_PYTHON=ON
- cmake --build . --target build-tests
- ctest -L UnitTests --schedule-random --output-on-failure
dependencies: []
......@@ -70,7 +67,7 @@ windows-debug:
script:
- mkdir build && cd build
- conan install .. --build missing -s compiler.cppstd=20 -e CXXFLAGS="" -e CCFLAGS="" -pr $CONAN_PROFILE -o pylene:fPIC=True
- cmake -G Ninja .. -DCMAKE_BUILD_TYPE=$PYLENE_CONFIGURATION -DSANITIZE_ADDRESS=$ASAN -DSANITIZE_MEMORY=$MSAN -DSANITIZE_UNDEFINED=$UBSAN -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DPYLENE_BUILD_PYTHON=On
- cmake -G Ninja .. -DCMAKE_BUILD_TYPE=$PYLENE_CONFIGURATION -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DPYLENE_BUILD_PYTHON=ON
- cmake --build . --target Pylene
- cmake --build . --target pylena
- cmake --build . --target build-tests
......@@ -104,10 +101,9 @@ distcheck-linux-gcc9-debug-asan-ubsan:
PYLENE_CONFIGURATION: "Debug"
CXX: "g++"
CC: "gcc"
ASAN: "ON"
MSAN: "OFF"
UBSAN: "ON"
CONAN_PROFILE: "gcc-9"
CCFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
CXXFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
distcheck-linux-clang10-release:
<<: *distcheck-linux-base
......@@ -128,11 +124,8 @@ distcheck-linux-clang10-debug:
PYLENE_CONFIGURATION: "Debug"
CXX: "clang++"
CC: "clang"
ASAN: "ON"
MSAN: "OFF"
UBSAN: "ON"
#CCFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
#CXXFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
CCFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -shared-libasan
CXXFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -shared-libasan
CONAN_PROFILE: "clang-10"
distcheck-linux-gcc10-release:
......@@ -155,11 +148,8 @@ distcheck-linux-gcc10-debug:
PYLENE_CONFIGURATION: "Debug"
CXX: "g++"
CC: "gcc"
#CCFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
#CXXFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
ASAN: "ON"
MSAN: "OFF"
UBSAN: "ON"
CCFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
CXXFLAGS: -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined
CONAN_PROFILE: "gcc-10"
......
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# 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.
option(SANITIZE_ADDRESS "Enable AddressSanitizer for sanitized targets." Off)
set(FLAG_CANDIDATES
# Clang 3.2+ use this version. The no-omit-frame-pointer option is optional.
"-g -fsanitize=address -fno-omit-frame-pointer -fno-optimize-sibling-calls"
"-g -fsanitize=address -fno-omit-frame-pointer"
"-g -fsanitize=address"
# Older deprecated flag for ASan
"-g -faddress-sanitizer"
)
if (SANITIZE_ADDRESS AND (SANITIZE_THREAD OR SANITIZE_MEMORY))
message(FATAL_ERROR "AddressSanitizer is not compatible with "
"ThreadSanitizer or MemorySanitizer.")
endif ()
include(sanitize-helpers)
if (SANITIZE_ADDRESS)
sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "AddressSanitizer"
"ASan")
find_program(ASan_WRAPPER "asan-wrapper" PATHS ${CMAKE_MODULE_PATH})
mark_as_advanced(ASan_WRAPPER)
endif ()
function (add_sanitize_address TARGET)
if (NOT SANITIZE_ADDRESS)
# message(STATUS "NOT adding address sanitizers flags for ${TARGET}")
return()
endif ()
# message(STATUS "Adding address sanitizers flags for ${TARGET}")
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
find_program(LLVM_SYMBOLIZER NAMES llvm-symbolizer llvm-symbolizer-6.0 llvm-symbolizer-7)
if (NOT LLVM_SYMBOLIZER)
message (WARNING "AddressSanitizer failed to locate an llvm-symbolizer program. Stack traces may lack symbols.")
endif ()
set_target_properties(${TARGET} PROPERTIES ENVIRONMENT "ASAN_SYMBOLIZER_PATH=${LLVM_SYMBOLIZER}")
endif ()
set_target_properties(${TARGET} PROPERTIES ENVIRONMENT "ASAN_OPTIONS=check_initialization_order=1:symbolize=1")
sanitizer_add_flags(${TARGET} "AddressSanitizer" "ASan")
endfunction ()
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# 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.
option(SANITIZE_MEMORY "Enable MemorySanitizer for sanitized targets." Off)
set(FLAG_CANDIDATES
"-g -fsanitize=memory -fsanitize-memory-track-origins"
)
include(sanitize-helpers)
if (SANITIZE_MEMORY)
if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
message(WARNING "MemorySanitizer disabled for target ${TARGET} because "
"MemorySanitizer is supported for Linux systems only.")
set(SANITIZE_MEMORY Off CACHE BOOL
"Enable MemorySanitizer for sanitized targets." FORCE)
elseif (NOT ${CMAKE_SIZEOF_VOID_P} EQUAL 8)
message(WARNING "MemorySanitizer disabled for target ${TARGET} because "
"MemorySanitizer is supported for 64bit systems only.")
set(SANITIZE_MEMORY Off CACHE BOOL
"Enable MemorySanitizer for sanitized targets." FORCE)
else ()
sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "MemorySanitizer"
"MSan")
endif ()
endif ()
function (add_sanitize_memory TARGET)
if (NOT SANITIZE_MEMORY)
# message(STATUS "NOT adding memory sanitizers flags for ${TARGET}")
return()
endif ()
# message(STATUS "Adding memory sanitizers flags for ${TARGET}")
sanitizer_add_flags(${TARGET} "MemorySanitizer" "MSan")
endfunction ()
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# 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.
# If any of the used compiler is a GNU compiler, add a second option to static
# link against the sanitizers.
option(SANITIZE_LINK_STATIC "Try to link static against sanitizers." Off)
set(FIND_QUIETLY_FLAG "")
if (DEFINED Sanitizers_FIND_QUIETLY)
set(FIND_QUIETLY_FLAG "QUIET")
endif ()
find_package(ASan ${FIND_QUIETLY_FLAG})
find_package(TSan ${FIND_QUIETLY_FLAG})
find_package(MSan ${FIND_QUIETLY_FLAG})
find_package(UBSan ${FIND_QUIETLY_FLAG})
function(sanitizer_add_blacklist_file FILE)
if(NOT IS_ABSOLUTE ${FILE})
set(FILE "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}")
endif()
get_filename_component(FILE "${FILE}" REALPATH)
sanitizer_check_compiler_flags("-fsanitize-blacklist=${FILE}"
"SanitizerBlacklist" "SanBlist")
endfunction()
function(add_sanitizers ...)
# If no sanitizer is enabled, return immediately.
if (NOT (SANITIZE_ADDRESS OR SANITIZE_MEMORY OR SANITIZE_THREAD OR
SANITIZE_UNDEFINED))
# message(STATUS "No sanitizers available!")
return()
endif ()
foreach (TARGET ${ARGV})
# Check if this target will be compiled by exactly one compiler. Other-
# wise sanitizers can't be used and a warning should be printed once.
get_target_property(TARGET_TYPE ${TARGET} TYPE)
if (TARGET_TYPE STREQUAL "INTERFACE_LIBRARY")
message(WARNING "Can't use any sanitizers for target ${TARGET}, "
"because it is an interface library and cannot be "
"compiled directly.")
return()
endif ()
sanitizer_target_compilers(${TARGET} TARGET_COMPILER)
list(LENGTH TARGET_COMPILER NUM_COMPILERS)
if (NUM_COMPILERS GREATER 1)
message(WARNING "Can't use any sanitizers for target ${TARGET}, "
"because it will be compiled by incompatible compilers. "
"Target will be compiled without sanitizers.")
return()
# If the target is compiled by no or no known compiler, give a warning.
elseif (NUM_COMPILERS EQUAL 0)
message(WARNING "Sanitizers for target ${TARGET} may not be"
" usable, because it uses no or an unknown compiler. "
"This is a false warning for targets using only "
"object lib(s) as input.")
endif ()
# message(STATUS "Adding sanitizers flags for ${TARGET}:")
# Add sanitizers for target.
add_sanitize_address(${TARGET})
add_sanitize_thread(${TARGET})
add_sanitize_memory(${TARGET})
add_sanitize_undefined(${TARGET})
endforeach ()
endfunction(add_sanitizers)
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# 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.
option(SANITIZE_THREAD "Enable ThreadSanitizer for sanitized targets." Off)
set(FLAG_CANDIDATES
"-g -fsanitize=thread"
)
# ThreadSanitizer is not compatible with MemorySanitizer.
if (SANITIZE_THREAD AND SANITIZE_MEMORY)
message(FATAL_ERROR "ThreadSanitizer is not compatible with "
"MemorySanitizer.")
endif ()
include(sanitize-helpers)
if (SANITIZE_THREAD)
if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND
NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
message(WARNING "ThreadSanitizer disabled for target ${TARGET} because "
"ThreadSanitizer is supported for Linux systems and macOS only.")
set(SANITIZE_THREAD Off CACHE BOOL
"Enable ThreadSanitizer for sanitized targets." FORCE)
elseif (NOT ${CMAKE_SIZEOF_VOID_P} EQUAL 8)
message(WARNING "ThreadSanitizer disabled for target ${TARGET} because "
"ThreadSanitizer is supported for 64bit systems only.")
set(SANITIZE_THREAD Off CACHE BOOL
"Enable ThreadSanitizer for sanitized targets." FORCE)
else ()
sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "ThreadSanitizer"
"TSan")
endif ()
endif ()
function (add_sanitize_thread TARGET)
if (NOT SANITIZE_THREAD)
# message(STATUS "NOT adding thread sanitizers flags for ${TARGET}")
return()
endif ()
# message(STATUS "Adding thread sanitizers flags for ${TARGET}")
sanitizer_add_flags(${TARGET} "ThreadSanitizer" "TSan")
endfunction ()
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# 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.
option(SANITIZE_UNDEFINED
"Enable UndefinedBehaviorSanitizer for sanitized targets." Off)
set(FLAG_CANDIDATES
"-g -fsanitize=undefined"
)
include(sanitize-helpers)
if (SANITIZE_UNDEFINED)
sanitizer_check_compiler_flags("${FLAG_CANDIDATES}"
"UndefinedBehaviorSanitizer" "UBSan")
endif ()
function (add_sanitize_undefined TARGET)
if (NOT SANITIZE_UNDEFINED)
# message(STATUS "NOT adding undefined behaviors sanitizers flags for ${TARGET}")
return()
endif ()
# message(STATUS "Adding undefined behaviors sanitizers flags for ${TARGET}")
sanitizer_add_flags(${TARGET} "UndefinedBehaviorSanitizer" "UBSan")
endfunction ()
#!/bin/sh
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# 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 script is a wrapper for AddressSanitizer. In some special cases you need
# to preload AddressSanitizer to avoid error messages - e.g. if you're
# preloading another library to your application. At the moment this script will
# only do something, if we're running on a Linux platform. OSX might not be
# affected.
# Exit immediately, if platform is not Linux.
if [ "$(uname)" != "Linux" ]
then
exec $@
fi
# Get the used libasan of the application ($1). If a libasan was found, it will
# be prepended to LD_PRELOAD.
libasan=$(ldd $1 | grep libasan | sed "s/^[[:space:]]//" | cut -d' ' -f1)
if [ -n "$libasan" ]
then
if [ -n "$LD_PRELOAD" ]
then
export LD_PRELOAD="$libasan:$LD_PRELOAD"
else
export LD_PRELOAD="$libasan"
fi
fi
# Execute the application.
exec $@
# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# Helper function to get the language of a source file.
function (sanitizer_lang_of_source FILE RETURN_VAR)
get_filename_component(LONGEST_EXT "${FILE}" EXT)
# If extension is empty return. This can happen for extensionless headers
if("${LONGEST_EXT}" STREQUAL "")
set(${RETURN_VAR} "" PARENT_SCOPE)
return()
endif()
# Get shortest extension as some files can have dot in their names
string(REGEX REPLACE "^.*(\\.[^.]+)$" "\\1" FILE_EXT ${LONGEST_EXT})
string(TOLOWER "${FILE_EXT}" FILE_EXT)
string(SUBSTRING "${FILE_EXT}" 1 -1 FILE_EXT)
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
foreach (LANG ${ENABLED_LANGUAGES})
list(FIND CMAKE_${LANG}_SOURCE_FILE_EXTENSIONS "${FILE_EXT}" TEMP)
if (NOT ${TEMP} EQUAL -1)
set(${RETURN_VAR} "${LANG}" PARENT_SCOPE)
return()
endif ()
endforeach()
set(${RETURN_VAR} "" PARENT_SCOPE)
endfunction ()
# Helper function to get compilers used by a target.
function (sanitizer_target_compilers TARGET RETURN_VAR)
# Check if all sources for target use the same compiler. If a target uses
# e.g. C and Fortran mixed and uses different compilers (e.g. clang and
# gfortran) this can trigger huge problems, because different compilers may
# use different implementations for sanitizers.
set(BUFFER "")
get_target_property(TSOURCES ${TARGET} SOURCES)
foreach (FILE ${TSOURCES})
# If expression was found, FILE is a generator-expression for an object
# library. Object libraries will be ignored.
string(REGEX MATCH "TARGET_OBJECTS:([^ >]+)" _file ${FILE})
if ("${_file}" STREQUAL "")
sanitizer_lang_of_source(${FILE} LANG)
if (LANG)
list(APPEND BUFFER ${CMAKE_${LANG}_COMPILER_ID})
endif ()
endif ()
endforeach ()
list(REMOVE_DUPLICATES BUFFER)
set(${RETURN_VAR} "${BUFFER}" PARENT_SCOPE)
endfunction ()
# Helper function to check compiler flags for language compiler.
function (sanitizer_check_compiler_flag FLAG LANG VARIABLE)
if (${LANG} STREQUAL "C")
include(CheckCCompilerFlag)
check_c_compiler_flag("${FLAG}" ${VARIABLE})
elseif (${LANG} STREQUAL "CXX")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("${FLAG}" ${VARIABLE})
elseif (${LANG} STREQUAL "Fortran")
# CheckFortranCompilerFlag was introduced in CMake 3.x. To be compatible
# with older Cmake versions, we will check if this module is present
# before we use it. Otherwise we will define Fortran coverage support as
# not available.
include(CheckFortranCompilerFlag OPTIONAL RESULT_VARIABLE INCLUDED)
if (INCLUDED)
check_fortran_compiler_flag("${FLAG}" ${VARIABLE})
elseif (NOT CMAKE_REQUIRED_QUIET)
message(STATUS "Performing Test ${VARIABLE}")
message(STATUS "Performing Test ${VARIABLE}"
" - Failed (Check not supported)")
endif ()
endif()
endfunction ()
# Helper function to test compiler flags.
function (sanitizer_check_compiler_flags FLAG_CANDIDATES NAME PREFIX)
set(CMAKE_REQUIRED_QUIET ${${PREFIX}_FIND_QUIETLY})
get_property(ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
foreach (LANG ${ENABLED_LANGUAGES})
# Sanitizer flags are not dependend on language, but the used compiler.
# So instead of searching flags foreach language, search flags foreach
# compiler used.
set(COMPILER ${CMAKE_${LANG}_COMPILER_ID})
if (NOT DEFINED ${PREFIX}_${COMPILER}_FLAGS)
foreach (FLAG ${FLAG_CANDIDATES})
if(NOT CMAKE_REQUIRED_QUIET)
message(STATUS "Try ${COMPILER} ${NAME} flag = [${FLAG}]")
endif()
set(CMAKE_REQUIRED_FLAGS "${FLAG}")
unset(${PREFIX}_FLAG_DETECTED CACHE)
sanitizer_check_compiler_flag("${FLAG}" ${LANG}
${PREFIX}_FLAG_DETECTED)
if (${PREFIX}_FLAG_DETECTED)
# If compiler is a GNU compiler, search for static flag, if
# SANITIZE_LINK_STATIC is enabled.
if (SANITIZE_LINK_STATIC AND (${COMPILER} STREQUAL "GNU"))
string(TOLOWER ${PREFIX} PREFIX_lower)
sanitizer_check_compiler_flag(
"-static-lib${PREFIX_lower}" ${LANG}
${PREFIX}_STATIC_FLAG_DETECTED)
if (${PREFIX}_STATIC_FLAG_DETECTED)
set(FLAG "-static-lib${PREFIX_lower} ${FLAG}")
endif ()
endif ()
set(${PREFIX}_${COMPILER}_FLAGS "${FLAG}" CACHE STRING
"${NAME} flags for ${COMPILER} compiler.")
mark_as_advanced(${PREFIX}_${COMPILER}_FLAGS)
break()
endif ()
endforeach ()
if (NOT ${PREFIX}_FLAG_DETECTED)
set(${PREFIX}_${COMPILER}_FLAGS "" CACHE STRING
"${NAME} flags for ${COMPILER} compiler.")
mark_as_advanced(${PREFIX}_${COMPILER}_FLAGS)
message(WARNING "${NAME} is not available for ${COMPILER} "
"compiler. Targets using this compiler will be "
"compiled without ${NAME}.")
endif ()
endif ()