--- Libc/Libc-825.26/include/sys/cdefs.h
+++ Libc/Libc-763.13/include/sys/cdefs.h
@@ -34,8 +34,16 @@
  */
 #include_next <sys/cdefs.h>
 #ifndef _LIBC_NO_FEATURE_VERIFICATION
-#if defined(__arm__) || defined(__i386__) || defined(__x86_64__)
-#  include "libc-features.h"
+#if defined(__arm__)
+#  include <arm/libc-features.h>
+#elif defined(__i386__)
+#  include <i386/libc-features.h>
+#elif defined(__ppc__)
+#  include <ppc/libc-features.h>
+#elif defined(__ppc64__)
+#  include <ppc64/libc-features.h>
+#elif defined(__x86_64__)
+#  include <x86_64/libc-features.h>
 #else
 #  error "Unknown architecture."
 #endif