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[libcxxabi] Allow building with sanitizers enabled

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Summary:
I copied the sanitizer-related logic in libcxx/lib/CMakeLists.txt. In
the future, it would be great to avoid duplicating this logic in the
compiler, libc++ and libc++abi.

Reviewers: EricWF

Subscribers: mgorny, christof, dexonsmith, libcxx-commits, davide

Differential Revision: https://reviews.llvm.org/D53028

llvm-svn: 344191
This commit is contained in:
Louis Dionne 2018-10-10 22:00:58 +00:00
parent a52d151f9d
commit 336db68378
2 changed files with 26 additions and 0 deletions
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25
libcxxabi/src/CMakeLists.txt
View File

@ -102,6 +102,31 @@ if ( APPLE )
"-compatibility_version 1"
"-install_name /usr/lib/libc++abi.1.dylib")
endif()
if (LLVM_USE_SANITIZER)
if (("${LLVM_USE_SANITIZER}" STREQUAL "Address") OR
("${LLVM_USE_SANITIZER}" STREQUAL "Address;Undefined") OR
("${LLVM_USE_SANITIZER}" STREQUAL "Undefined;Address"))
set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib")
elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined")
set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib")
elseif("${LLVM_USE_SANITIZER}" STREQUAL "Thread")
set(LIBFILE "libclang_rt.tsan_osx_dynamic.dylib")
else()
message(WARNING "LLVM_USE_SANITIZER=${LLVM_USE_SANITIZER} is not supported on OS X")
endif()
if (LIBFILE)
find_compiler_rt_dir(LIBDIR)
if (NOT IS_DIRECTORY "${LIBDIR}")
message(FATAL_ERROR "Cannot find compiler-rt directory on OS X required for LLVM_USE_SANITIZER")
endif()
set(LIBCXXABI_SANITIZER_LIBRARY "${LIBDIR}/${LIBFILE}")
set(LIBCXXABI_SANITIZER_LIBRARY "${LIBCXXABI_SANITIZER_LIBRARY}" PARENT_SCOPE)
message(STATUS "Manually linking compiler-rt library: ${LIBCXXABI_SANITIZER_LIBRARY}")
add_library_flags("${LIBCXXABI_SANITIZER_LIBRARY}")
add_link_flags("-Wl,-rpath,${LIBDIR}")
endif()
endif()
endif()
split_list(LIBCXXABI_COMPILE_FLAGS)

1
libcxxabi/test/lit.site.cfg.in
View File

@ -11,6 +11,7 @@ config.cxx_library_root = "@LIBCXXABI_LIBCXX_LIBRARY_PATH@"
config.llvm_unwinder = "@LIBCXXABI_USE_LLVM_UNWINDER@"
config.enable_threads = "@LIBCXXABI_ENABLE_THREADS@"
config.use_sanitizer = "@LLVM_USE_SANITIZER@"
config.sanitizer_library = "@LIBCXXABI_SANITIZER_LIBRARY@"
config.enable_32bit = "@LIBCXXABI_BUILD_32_BITS@"
config.target_info = "@LIBCXXABI_TARGET_INFO@"
config.executor = "@LIBCXXABI_EXECUTOR@"