Index: lib/sanitizer_common/sanitizer_getauxval.h
===================================================================
--- lib/sanitizer_common/sanitizer_getauxval.h
+++ lib/sanitizer_common/sanitizer_getauxval.h
@@ -18,7 +18,7 @@
 
 #include "sanitizer_platform.h"
 
-#if SANITIZER_LINUX
+#if SANITIZER_LINUX || SANITIZER_FUCHSIA
 
 # include <features.h>
 
@@ -26,7 +26,8 @@
 #  define __GLIBC_PREREQ(x, y) 0
 # endif
 
-# if __GLIBC_PREREQ(2, 16) || (SANITIZER_ANDROID && __ANDROID_API__ >= 21)
+# if __GLIBC_PREREQ(2, 16) || (SANITIZER_ANDROID && __ANDROID_API__ >= 21) || \
+     SANITIZER_FUCHSIA
 #  define SANITIZER_USE_GETAUXVAL 1
 # else
 #  define SANITIZER_USE_GETAUXVAL 0
@@ -42,6 +43,6 @@
 unsigned long getauxval(unsigned long type);  // NOLINT
 # endif
 
-#endif // SANITIZER_LINUX
+#endif // SANITIZER_LINUX || SANITIZER_FUCHSIA
 
 #endif // SANITIZER_GETAUXVAL_H