[libcxxabi] Allow building with sanitizers enabled
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
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@344191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 776c512..d3581cc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -102,6 +102,31 @@
"-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)
diff --git a/test/lit.site.cfg.in b/test/lit.site.cfg.in
index a66c9e4..75cb76e 100644
--- a/test/lit.site.cfg.in
+++ b/test/lit.site.cfg.in
@@ -11,6 +11,7 @@
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@"