diff --git a/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
index 84a0ef53f212..b31c96d9a479 100644
--- a/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -13,7 +13,7 @@
 #ifndef SANITIZER_PLATFORM_LIMITS_POSIX_H
 #define SANITIZER_PLATFORM_LIMITS_POSIX_H
 
-#ifdef __NetBSD__
+#if SANITIZER_NETBSD
 #define _SYS_SIGNAL_H_
 #include <sys/param.h>
 #undef _SYS_SIGNAL_H_
@@ -343,7 +343,7 @@ namespace __sanitizer {
 # endif
     void *ifa_dstaddr; // (struct sockaddr *)
     void *ifa_data;
-# ifdef __NetBSD__
+# if SANITIZER_NETBSD
 #  if __NetBSD_Prereq__(7, 99, 39)
     unsigned int ifa_addrflags;
 #  endif