Index: lib/interception/tests/CMakeLists.txt
===================================================================
--- lib/interception/tests/CMakeLists.txt
+++ lib/interception/tests/CMakeLists.txt
@@ -21,6 +21,9 @@
   -Werror=sign-compare
   -Wno-non-virtual-dtor)
 
+set(INTERCEPTION_TEST_LINK_FLAGS_COMMON
+  ${COMPILER_RT_UNITTEST_LINK_FLAGS})
+
 # -gline-tables-only must be enough for these tests, so use it if possible.
 if(COMPILER_RT_TEST_COMPILER_ID MATCHES "Clang")
   list(APPEND INTERCEPTION_TEST_CFLAGS_COMMON -gline-tables-only)
Index: lib/msan/tests/CMakeLists.txt
===================================================================
--- lib/msan/tests/CMakeLists.txt
+++ lib/msan/tests/CMakeLists.txt
@@ -47,6 +47,7 @@
   -mllvm -msan-keep-going=1
 )
 set(MSAN_UNITTEST_LINK_FLAGS
+  ${COMPILER_RT_UNITTEST_LINK_FLAGS}
   -fsanitize=memory
   # Don't need -stdlib=libc++ because we explicitly list libc++.a in the linker
   # inputs.
@@ -73,7 +74,7 @@
   endif()
   clang_link_shared(${output_so}
                 OBJECTS ${SOURCE_OBJECTS}
-                LINK_FLAGS ${TARGET_LINK_FLAGS} ${SOURCE_LINK_FLAGS}
+                LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS} ${TARGET_LINK_FLAGS} ${SOURCE_LINK_FLAGS}
                 DEPS ${SOURCE_DEPS})
   list(APPEND ${so_list} ${output_so})
 endmacro()
Index: lib/sanitizer_common/tests/CMakeLists.txt
===================================================================
--- lib/sanitizer_common/tests/CMakeLists.txt
+++ lib/sanitizer_common/tests/CMakeLists.txt
@@ -59,6 +59,8 @@
   -Wno-non-virtual-dtor
   -Wno-gnu-zero-variadic-macro-arguments)
 
+set(SANITIZER_TEST_LINK_FLAGS_COMMON ${COMPILER_RT_UNITTEST_LINK_FLAGS})
+
 # -gline-tables-only must be enough for these tests, so use it if possible.
 if(COMPILER_RT_TEST_COMPILER_ID MATCHES "Clang")
   list(APPEND SANITIZER_TEST_CFLAGS_COMMON -gline-tables-only)
Index: lib/scudo/standalone/tests/CMakeLists.txt
===================================================================
--- lib/scudo/standalone/tests/CMakeLists.txt
+++ lib/scudo/standalone/tests/CMakeLists.txt
@@ -15,7 +15,7 @@
 set(SCUDO_TEST_ARCH ${SCUDO_STANDALONE_SUPPORTED_ARCH})
 
 # gtests requires c++
-set(LINK_FLAGS)
+set(LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS})
 foreach(lib ${SANITIZER_TEST_CXX_LIBRARIES})
   list(APPEND LINK_FLAGS -l${lib})
 endforeach()
Index: lib/tsan/tests/CMakeLists.txt
===================================================================
--- lib/tsan/tests/CMakeLists.txt
+++ lib/tsan/tests/CMakeLists.txt
@@ -15,7 +15,7 @@
 
 set(TSAN_TEST_ARCH ${TSAN_SUPPORTED_ARCH})
 
-set(LINK_FLAGS)
+set(LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS})
 foreach(lib ${SANITIZER_TEST_CXX_LIBRARIES})
   list(APPEND LINK_FLAGS -l${lib})
 endforeach()
Index: lib/xray/tests/CMakeLists.txt
===================================================================
--- lib/xray/tests/CMakeLists.txt
+++ lib/xray/tests/CMakeLists.txt
@@ -47,7 +47,10 @@
 endfunction()
 
 set(XRAY_TEST_ARCH ${XRAY_SUPPORTED_ARCH})
-set(XRAY_UNITTEST_LINK_FLAGS ${CMAKE_THREAD_LIBS_INIT})
+set(XRAY_UNITTEST_LINK_FLAGS
+  ${COMPILER_RT_UNITTEST_LINK_FLAGS}
+  ${CMAKE_THREAD_LIBS_INIT}
+  )
 
 if (NOT APPLE)
   # Needed by LLVMSupport.