Explicitly link pthread library for unit tests

Author: cjappl

compiler-rt/lib/rtsan/CMakeLists.txt

@@ -84,6 +84,7 @@ else()
                 ${RTSAN_COMMON_RUNTIME_OBJECT_LIBS}
     LINK_FLAGS ${RTSAN_LINK_FLAGS}
     CFLAGS ${RTSAN_CFLAGS}
+    LINK_LIBS ${RTSAN_LINK_LIBS}
     PARENT_TARGET rtsan)
 endif()
 

compiler-rt/lib/rtsan/tests/CMakeLists.txt

@@ -36,6 +36,8 @@ set(RTSAN_UNITTEST_LINK_FLAGS
   ${SANITIZER_TEST_CXX_LIBRARIES}
   -no-pie)
 
+append_list_if(COMPILER_RT_HAS_LIBPTHREAD -pthread RTSAN_UNITTEST_LINK_FLAGS)
+
 if (APPLE)
   add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINK_FLAGS)
   list(APPEND RTSAN_UNITTEST_LINK_FLAGS ${WEAK_SYMBOL_LINK_FLAGS})