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[compiler-rt] Allow c++ abi to be explictly disabled in cmake configuration 

Summary: This will allow for the sanitizers to be used when c++ abi is unavailable.

Reviewers: samsonov, beanz, pcc, rnk

Subscribers: llvm-commits, kubabrecka, compnerd, dberris

Differential Revision: https://reviews.llvm.org/D23376

llvm-svn: 278848
This commit is contained in:
Francis Ricci 2016-08-16 20:39:10 +00:00
parent b8037a1bd3
commit 6802eb0868
2 changed files with 14 additions and 12 deletions
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24
compiler-rt/CMakeLists.txt
View File

@ -85,6 +85,19 @@ option(COMPILER_RT_EXTERNALIZE_DEBUGINFO
# COMPILER_RT_DEBUG_PYBOOL is used by lit.common.configured.in.
pythonize_bool(COMPILER_RT_DEBUG)
if(APPLE AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
# Mac OS X prior to 10.9 had problems with exporting symbols from
# libc++/libc++abi.
set(use_cxxabi_default OFF)
elseif(MSVC)
set(use_cxxabi_default OFF)
else()
set(use_cxxabi_default ON)
endif()
option(SANITIZER_CAN_USE_CXXABI "Sanitizers can use cxxabi" ${use_cxxabi_default})
pythonize_bool(SANITIZER_CAN_USE_CXXABI)
#================================
# Setup Compiler Flags
#================================
@ -204,17 +217,6 @@ append_list_if(COMPILER_RT_HAS_WD4800_FLAG /wd4800 SANITIZER_COMMON_CFLAGS)
# Warnings to turn off for all libraries, not just sanitizers.
append_string_if(COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG -Wno-unused-parameter CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
if(APPLE AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
# Mac OS X prior to 10.9 had problems with exporting symbols from
# libc++/libc++abi.
set(SANITIZER_CAN_USE_CXXABI FALSE)
elseif(MSVC)
set(SANITIZER_CAN_USE_CXXABI FALSE)
else()
set(SANITIZER_CAN_USE_CXXABI TRUE)
endif()
pythonize_bool(SANITIZER_CAN_USE_CXXABI)
add_subdirectory(include)
set(COMPILER_RT_LIBCXX_PATH ${LLVM_MAIN_SRC_DIR}/projects/libcxx)

2
compiler-rt/lib/ubsan/ubsan_type_hash_itanium.cc
View File

@ -13,7 +13,7 @@
#include "sanitizer_common/sanitizer_platform.h"
#include "ubsan_platform.h"
#if CAN_SANITIZE_UB && !SANITIZER_WINDOWS
#if CAN_SANITIZE_UB && UBSAN_CAN_USE_CXXABI
#include "ubsan_type_hash.h"
#include "sanitizer_common/sanitizer_common.h"