diff --git a/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cpp b/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cpp
--- a/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_dynamic_shadow.cpp
@@ -21,7 +21,9 @@
 #include "hwasan_mapping.h"
 #include "hwasan_thread_list.h"
 #include "sanitizer_common/sanitizer_common.h"
+#if SANITIZER_POSIX
 #include "sanitizer_common/sanitizer_posix.h"
+#endif
 
 // The code in this file needs to run in an unrelocated binary. It should not
 // access any external symbol, including its own non-hidden globals.