Merge pull request #14491 from mshabunin:add-clang-hardening

This commit is contained in:
Alexander Alekhin 2019-05-07 14:13:06 +00:00
commit 55c02ff628

View File

@ -5,7 +5,7 @@
# - https://wiki.debian.org/Hardening
# - https://wiki.gentoo.org/wiki/Hardened/Toolchain
# - https://docs.microsoft.com/en-us/cpp/build/reference/sdl-enable-additional-security-checks
# - https://developer.apple.com/library/archive/documentation/Security/Conceptual/SecureCodingGuide/Articles/BufferOverflows.html
set(OPENCV_LINKER_DEFENSES_FLAGS_COMMON "")
@ -44,6 +44,12 @@ if(MSVC)
if(NOT X86_64)
set(OPENCV_LINKER_DEFENSES_FLAGS_COMMON "${OPENCV_LINKER_DEFENSES_FLAGS_COMMON} /safeseh")
endif()
elseif(CV_CLANG)
ocv_add_defense_compiler_flag("-fstack-protector-strong")
ocv_add_defense_compiler_flag_release("-D_FORTIFY_SOURCE=2")
if (NOT APPLE)
set(OPENCV_LINKER_DEFENSES_FLAGS_COMMON "${OPENCV_LINKER_DEFENSES_FLAGS_COMMON} -z noexecstack -z relro -z now" )
endif()
elseif(CV_GCC)
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.9")
ocv_add_defense_compiler_flag("-fstack-protector")