diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a8face..3b2b514 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,38 +197,26 @@
 endif()
 pythonize_bool(SANITIZER_CAN_USE_CXXABI)
 
-macro(handle_default_cxx_lib var)
-  if (${var} STREQUAL "default")
-    if (APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
-      set(${var}_LIBNAME "libc++")
-      set(${var}_SYSTEM 1)
-    elseif (FUCHSIA)
-      set(${var}_LIBNAME "libc++")
-      set(${var}_INTREE 1)
-    else()
-      set(${var}_LIBNAME "libstdc++")
-      set(${var}_SYSTEM 1)
-    endif()
-  else()
-    set(${var}_LIBNAME "${${var}}")
-    set(${var}_SYSTEM 1)
-  endif()
-endmacro()
-
-# This is either directly the C++ ABI library or the full C++ library
-# which pulls in the ABI transitively.
 set(SANITIZER_CXX_ABI "default" CACHE STRING
     "Specify C++ ABI library to use.")
-set(CXXABIS none default libstdc++ libc++ libcxxabi)
+set(CXXABIS none default libstdc++ libc++)
 set_property(CACHE SANITIZER_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
-handle_default_cxx_lib(SANITIZER_CXX_ABI)
 
-# This needs to be a full C++ library for linking gtest and unit tests.
-set(SANITIZER_TEST_CXX "default" CACHE STRING
-    "Specify C++ library to use for tests.")
-set(CXXLIBS none default libstdc++ libc++)
-set_property(CACHE SANITIZER_TEST_CXX PROPERTY STRINGS ;${CXXLIBS})
-handle_default_cxx_lib(SANITIZER_TEST_CXX)
+if (SANITIZER_CXX_ABI STREQUAL "default")
+  if (APPLE OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+    set(SANITIZER_CXX_ABI_LIBNAME "libc++")
+    set(SANITIZER_CXX_ABI_SYSTEM 1)
+  elseif (FUCHSIA)
+    set(SANITIZER_CXX_ABI_LIBNAME "libc++")
+    set(SANITIZER_CXX_ABI_INTREE 1)
+  else()
+    set(SANITIZER_CXX_ABI_LIBNAME "libstdc++")
+    set(SANITIZER_CXX_ABI_SYSTEM 1)
+  endif()
+else()
+  set(SANITIZER_CXX_ABI_LIBNAME "${SANITIZER_CXX_ABI}")
+  set(SANITIZER_CXX_ABI_SYSTEM 1)
+endif()
 
 set(DEFAULT_SANITIZER_USE_STATIC_LLVM_UNWINDER OFF)
 if (FUCHSIA)
@@ -424,36 +412,26 @@
   list(APPEND SANITIZER_COMMON_LINK_LIBS zircon)
 endif()
 
-macro(append_libcxx_libs var)
-  if (${var}_INTREE)
+if (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libc++")
+  if (SANITIZER_CXX_ABI_INTREE)
     if (SANITIZER_USE_STATIC_LLVM_UNWINDER AND (TARGET unwind_static OR HAVE_LIBUNWIND))
-      list(APPEND ${var}_LIBRARIES unwind_static)
+      list(APPEND SANITIZER_CXX_ABI_LIBRARY unwind_static)
     elseif (TARGET unwind_shared OR HAVE_LIBUNWIND)
-      list(APPEND ${var}_LIBRARIES unwind_shared)
+      list(APPEND SANITIZER_CXX_ABI_LIBRARY unwind_shared)
     endif()
 
     if (SANITIZER_USE_STATIC_CXX_ABI AND (TARGET cxxabi_static OR HAVE_LIBCXXABI))
-      list(APPEND ${var}_LIBRARIES cxxabi_static)
+      list(APPEND SANITIZER_CXX_ABI_LIBRARY cxxabi_static)
     elseif (TARGET cxxabi_shared OR HAVE_LIBCXXABI)
-      list(APPEND ${var}_LIBRARIES cxxabi_shared)
+      list(APPEND SANITIZER_CXX_ABI_LIBRARY cxxabi_shared)
     endif()
   else()
-    append_list_if(COMPILER_RT_HAS_LIBCXX c++ ${var}_LIBRARIES)
+    append_list_if(COMPILER_RT_HAS_LIBCXX c++ SANITIZER_CXX_ABI_LIBRARY)
   endif()
-endmacro()
-
-if (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libc++")
-  append_libcxx_libs(SANITIZER_CXX_ABI)
 elseif (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libcxxabi")
-  list(APPEND SANITIZER_CXX_ABI_LIBRARIES "c++abi")
+  list(APPEND SANITIZER_CXX_ABI_LIBRARY "c++abi")
 elseif (SANITIZER_CXX_ABI_LIBNAME STREQUAL "libstdc++")
-  append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ SANITIZER_CXX_ABI_LIBRARIES)
-endif()
-
-if (SANITIZER_TEST_CXX_LIBNAME STREQUAL "libc++")
-  append_libcxx_libs(SANITIZER_TEST_CXX)
-elseif (SANITIZER_TEST_CXX_LIBNAME STREQUAL "libstdc++")
-  append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ SANITIZER_TEST_CXX_LIBRARIES)
+  append_list_if(COMPILER_RT_HAS_LIBSTDCXX stdc++ SANITIZER_CXX_ABI_LIBRARY)
 endif()
 
 # Warnings to turn off for all libraries, not just sanitizers.
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index a89ae7f..90192f7 100644
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -120,8 +120,6 @@
 check_library_exists(pthread pthread_create "" COMPILER_RT_HAS_LIBPTHREAD)
 check_library_exists(execinfo backtrace "" COMPILER_RT_HAS_LIBEXECINFO)
 
-find_package(Threads)
-
 # Look for terminfo library, used in unittests that depend on LLVMSupport.
 if(LLVM_ENABLE_TERMINFO)
   foreach(library terminfo tinfo curses ncurses ncursesw)
diff --git a/lib/asan/CMakeLists.txt b/lib/asan/CMakeLists.txt
index 51bda05..726da27 100644
--- a/lib/asan/CMakeLists.txt
+++ b/lib/asan/CMakeLists.txt
@@ -92,7 +92,7 @@
   -ftls-model=initial-exec ASAN_DYNAMIC_CFLAGS)
 append_list_if(MSVC /DEBUG ASAN_DYNAMIC_LINK_FLAGS)
 
-set(ASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})
+set(ASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY} ${SANITIZER_COMMON_LINK_LIBS})
 
 append_list_if(COMPILER_RT_HAS_LIBDL dl ASAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBRT rt ASAN_DYNAMIC_LIBS)
diff --git a/lib/fuzzer/tests/CMakeLists.txt b/lib/fuzzer/tests/CMakeLists.txt
index 052c0f1..485153b 100644
--- a/lib/fuzzer/tests/CMakeLists.txt
+++ b/lib/fuzzer/tests/CMakeLists.txt
@@ -17,11 +17,10 @@
 set(LIBFUZZER_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS})
 list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS --driver-mode=g++)
 
-foreach(lib ${SANITIZER_TEST_CXX_LIBRARIES})
-  list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -l${lib})
-endforeach()
-if(NOT WIN32)
-  list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS ${CMAKE_THREAD_LIBS_INIT})
+if(APPLE OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+  list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -lc++ -lpthread)
+elseif(NOT WIN32)
+  list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -lstdc++ -lpthread)
 endif()
 
 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND COMPILER_RT_LIBCXX_PATH)
diff --git a/lib/hwasan/CMakeLists.txt b/lib/hwasan/CMakeLists.txt
index 41d30fc..20ab94d 100644
--- a/lib/hwasan/CMakeLists.txt
+++ b/lib/hwasan/CMakeLists.txt
@@ -55,7 +55,7 @@
   -ftls-model=initial-exec HWASAN_DYNAMIC_CFLAGS)
 append_list_if(MSVC /DEBUG HWASAN_DYNAMIC_LINK_FLAGS)
 
-set(HWASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})
+set(HWASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY} ${SANITIZER_COMMON_LINK_LIBS})
 
 append_list_if(COMPILER_RT_HAS_LIBDL dl HWASAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBRT rt HWASAN_DYNAMIC_LIBS)
diff --git a/lib/scudo/CMakeLists.txt b/lib/scudo/CMakeLists.txt
index bbb8a1a..79f69e9 100644
--- a/lib/scudo/CMakeLists.txt
+++ b/lib/scudo/CMakeLists.txt
@@ -37,7 +37,7 @@
   list(APPEND SCUDO_CFLAGS -nostdinc++)
   list(APPEND SCUDO_DYNAMIC_LINK_FLAGS -nostdlib++)
 else()
-  list(APPEND SCUDO_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES})
+  list(APPEND SCUDO_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY})
   list(APPEND SCUDO_OBJECT_LIBS
     RTSanitizerCommonCoverage
     RTSanitizerCommonSymbolizer
diff --git a/lib/scudo/standalone/tests/CMakeLists.txt b/lib/scudo/standalone/tests/CMakeLists.txt
index 3a79ef8..9393813 100644
--- a/lib/scudo/standalone/tests/CMakeLists.txt
+++ b/lib/scudo/standalone/tests/CMakeLists.txt
@@ -15,10 +15,7 @@
 set(SCUDO_TEST_ARCH ${SCUDO_SUPPORTED_ARCH})
 
 # gtests requires c++
-set(LINK_FLAGS ${CMAKE_THREAD_LIBS_INIT})
-foreach(lib ${SANITIZER_TEST_CXX_LIBRARIES})
-  list(APPEND LINK_FLAGS -l${lib})
-endforeach()
+set(LINK_FLAGS -lstdc++ -pthread)
 
 set(TEST_HEADERS)
 foreach (header ${SCUDO_HEADERS})
diff --git a/lib/tsan/dd/CMakeLists.txt b/lib/tsan/dd/CMakeLists.txt
index c3f5915..f2b8a6d 100644
--- a/lib/tsan/dd/CMakeLists.txt
+++ b/lib/tsan/dd/CMakeLists.txt
@@ -10,7 +10,7 @@
   dd_interceptors.cc
 )
 
-set(DD_LINKLIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})
+set(DD_LINKLIBS ${SANITIZER_CXX_ABI_LIBRARY} ${SANITIZER_COMMON_LINK_LIBS})
 
 append_list_if(COMPILER_RT_HAS_LIBDL dl DD_LINKLIBS)
 append_list_if(COMPILER_RT_HAS_LIBRT rt DD_LINKLIBS)
diff --git a/lib/tsan/tests/CMakeLists.txt b/lib/tsan/tests/CMakeLists.txt
index 0ad97ef..352319f 100644
--- a/lib/tsan/tests/CMakeLists.txt
+++ b/lib/tsan/tests/CMakeLists.txt
@@ -14,12 +14,6 @@
   -DGTEST_HAS_RTTI=0)
 
 set(TSAN_TEST_ARCH ${TSAN_SUPPORTED_ARCH})
-
-set(LINK_FLAGS)
-foreach(lib ${SANITIZER_TEST_CXX_LIBRARIES})
-  list(APPEND LINK_FLAGS -l${lib})
-endforeach()
-
 if(APPLE)
 
   # Create a static library for test dependencies.
@@ -39,12 +33,12 @@
   darwin_filter_host_archs(TSAN_SUPPORTED_ARCH TSAN_TEST_ARCH)
   list(APPEND TSAN_UNITTEST_CFLAGS ${DARWIN_osx_CFLAGS})
 
+  set(LINK_FLAGS "-lc++")
   list(APPEND LINK_FLAGS ${DARWIN_osx_LINK_FLAGS})
   add_weak_symbols("ubsan" LINK_FLAGS)
   add_weak_symbols("sanitizer_common" LINK_FLAGS)
 else()
-  list(APPEND LINK_FLAGS -fsanitize=thread)
-  list(APPEND LINK_FLAGS -lm)
+  set(LINK_FLAGS "-fsanitize=thread;-lstdc++;-lm")
 endif()
 
 set(TSAN_RTL_HEADERS)
diff --git a/lib/ubsan/CMakeLists.txt b/lib/ubsan/CMakeLists.txt
index 49a3aa1..0f429a4 100644
--- a/lib/ubsan/CMakeLists.txt
+++ b/lib/ubsan/CMakeLists.txt
@@ -52,7 +52,7 @@
 append_rtti_flag(ON UBSAN_CXXFLAGS)
 append_list_if(SANITIZER_CAN_USE_CXXABI -DUBSAN_CAN_USE_CXXABI UBSAN_CXXFLAGS)
 
-set(UBSAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})
+set(UBSAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARY} ${SANITIZER_COMMON_LINK_LIBS})
 
 append_list_if(COMPILER_RT_HAS_LIBDL dl UBSAN_DYNAMIC_LIBS)
 append_list_if(COMPILER_RT_HAS_LIBLOG log UBSAN_DYNAMIC_LIBS)
diff --git a/lib/xray/tests/CMakeLists.txt b/lib/xray/tests/CMakeLists.txt
index 609120c..1458529 100644
--- a/lib/xray/tests/CMakeLists.txt
+++ b/lib/xray/tests/CMakeLists.txt
@@ -47,7 +47,8 @@
 endfunction()
 
 set(XRAY_TEST_ARCH ${XRAY_SUPPORTED_ARCH})
-set(XRAY_UNITTEST_LINK_FLAGS ${CMAKE_THREAD_LIBS_INIT})
+set(XRAY_UNITTEST_LINK_FLAGS
+  ${CMAKE_THREAD_LIBS_INIT})
 
 if (NOT APPLE)
   # Needed by LLVMSupport.
@@ -79,9 +80,7 @@
   append_list_if(COMPILER_RT_HAS_LIBEXECINFO -lexecinfo XRAY_UNITTEST_LINK_FLAGS)
 endif()
 
-foreach(lib ${SANITIZER_TEST_CXX_LIBRARIES})
-  list(APPEND XRAY_UNITTEST_LINK_FLAGS -l${lib})
-endforeach()
+list(APPEND XRAY_UNITTEST_LINK_FLAGS -l${SANITIZER_CXX_ABI_LIBRARY})
 
 macro(add_xray_unittest testname)
   cmake_parse_arguments(TEST "" "" "SOURCES;HEADERS" ${ARGN})