diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
index 525bc1038619d..62b1dc43dce13 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -57,7 +57,7 @@
 // that, it was never implemented. So just define it to zero.
 #    undef MAP_NORESERVE
 #    define MAP_NORESERVE 0
-extern const Elf_Auxinfo *__elf_aux_vector;
+extern const Elf_Auxinfo *__elf_aux_vector __attribute__((weak));
 extern "C" int __sys_sigaction(int signum, const struct sigaction *act,
                                struct sigaction *oldact);
 #  endif