From cc9559f515a7c09b95672456c3c37498884a5f4a Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek@chromium.org>
Date: Wed, 26 Jul 2017 06:46:10 +0000
Subject: [PATCH] Revert "[sanitizer] Support libc++abi in addition to
 libstdc++"

This reverts commit d1997bff31cf6b484eb59c2ee1fc3155442e338c.

llvm-svn: 309082
---
 compiler-rt/CMakeLists.txt             | 34 --------------------------
 compiler-rt/lib/asan/CMakeLists.txt    |  3 +--
 compiler-rt/lib/tsan/dd/CMakeLists.txt |  3 +--
 compiler-rt/lib/ubsan/CMakeLists.txt   |  3 +--
 4 files changed, 3 insertions(+), 40 deletions(-)

diff --git a/compiler-rt/CMakeLists.txt b/compiler-rt/CMakeLists.txt
index 0b48174570d2..d2d829ae08d9 100644
--- a/compiler-rt/CMakeLists.txt
+++ b/compiler-rt/CMakeLists.txt
@@ -94,40 +94,6 @@ endif()
 option(SANITIZER_CAN_USE_CXXABI "Sanitizers can use cxxabi" ${use_cxxabi_default})
 pythonize_bool(SANITIZER_CAN_USE_CXXABI)
 
-set(SANITIZER_CXX_ABI "default" CACHE STRING
-    "Specify C++ ABI library to use.")
-set(CXXABIS none default libcxxabi libstdc++)
-set_property(CACHE SANITIZER_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
-
-if (SANITIZER_CXX_ABI STREQUAL "default")
-  if (HAVE_LIBCXXABI AND COMPILER_RT_DEFAULT_TARGET_ONLY)
-    set(SANITIZER_CXX_ABI_LIBNAME "libcxxabi")
-    set(SANITIZER_CXX_ABI_INTREE 1)
-  elseif (APPLE)
-    set(SANITIZER_CXX_ABI_LIBNAME "libcxxabi")
-    set(SANITIZER_CXX_ABI_SYSTEM 1)
-  else()
-    set(SANITIZER_CXX_ABI_LIBNAME "libstdc++")
-  endif()
-elseif()
-  set(SANITIZER_CXX_ABI_LIBNAME "${SANITIZER_CXX_ABI}")
-endif()
-
-if (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libcxxabi")
-  if (SANITIZER_CXX_ABI_INTREE)
-    if (TARGET unwind_shared OR HAVE_LIBUNWIND)
-      list(APPEND SANITIZER_CXX_ABI_LIBRARY unwind_shared)
-    endif()
-    if (TARGET cxxabi_shared OR HAVE_LIBCXXABI)
-      list(APPEND SANITIZER_CXX_ABI_LIBRARY cxxabi_shared)
-    endif()
-  else()
-    list(APPEND SANITIZER_CXX_ABI_LIBRARY "c++abi")
-  endif()
-elseif (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libstdc++")
-  append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ SANITIZER_CXX_ABI_LIBRARY)
-endif()
-
 option(SANITIZER_USE_COMPILER_RT "Use compiler-rt builtins instead of libgcc" OFF)
 
 #================================
diff --git a/compiler-rt/lib/asan/CMakeLists.txt b/compiler-rt/lib/asan/CMakeLists.txt
index 6cb994aacee6..f033010db06b 100644
--- a/compiler-rt/lib/asan/CMakeLists.txt
+++ b/compiler-rt/lib/asan/CMakeLists.txt
@@ -71,10 +71,9 @@ append_list_if(COMPILER_RT_HAS_LIBDL dl ASAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBRT rt ASAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBM m ASAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread ASAN_DYNAMIC_LIBS)
+append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ ASAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBLOG log ASAN_DYNAMIC_LIBS)
 
-list(APPEND ASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY})
-
 # Compile ASan sources into an object library.
 
 add_compiler_rt_object_libraries(RTAsan_dynamic
diff --git a/compiler-rt/lib/tsan/dd/CMakeLists.txt b/compiler-rt/lib/tsan/dd/CMakeLists.txt
index 4c95081832c9..bd9515567f79 100644
--- a/compiler-rt/lib/tsan/dd/CMakeLists.txt
+++ b/compiler-rt/lib/tsan/dd/CMakeLists.txt
@@ -15,8 +15,7 @@ set(DD_LINKLIBS ${SANITIZER_COMMON_LINK_LIBS})
 append_list_if(COMPILER_RT_HAS_LIBDL dl DD_LINKLIBS)
 append_list_if(COMPILER_RT_HAS_LIBRT rt DD_LINKLIBS)
 append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread DD_LINKLIBS)
-
-list(APPEND DD_LINKLIBS ${SANITIZER_CXX_ABI_LIBRARY})
+append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ DD_LINKLIBS)
 
 add_custom_target(dd)
 # Deadlock detector is currently supported on 64-bit Linux only.
diff --git a/compiler-rt/lib/ubsan/CMakeLists.txt b/compiler-rt/lib/ubsan/CMakeLists.txt
index 780072e2d042..ab0e780735b3 100644
--- a/compiler-rt/lib/ubsan/CMakeLists.txt
+++ b/compiler-rt/lib/ubsan/CMakeLists.txt
@@ -39,8 +39,7 @@ set(UBSAN_DYNAMIC_LIBS ${SANITIZER_COMMON_LINK_LIBS})
 append_list_if(COMPILER_RT_HAS_LIBDL dl UBSAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBRT rt UBSAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread UBSAN_DYNAMIC_LIBS)
-
-list(APPEND UBSAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY})
+append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ UBSAN_DYNAMIC_LIBS)
 
 add_compiler_rt_component(ubsan)