diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -35,6 +35,10 @@
 #include <sys/resource.h>
 #include <syslog.h>
 
+#if !defined(ElfW)
+#define ElfW(type) Elf_##type
+#endif
+
 #if SANITIZER_FREEBSD
 #include <pthread_np.h>
 #include <osreldate.h>