--- Libc/Libc-498/ppc/pthreads/init_cpu_capabilities.c
+++ Libc/Libc-391/ppc/pthreads/init_cpu_capabilities.c
@@ -27,6 +27,8 @@
 #include <machine/cpu_capabilities.h>
 #undef	__APPLE_API_PRIVATE
 
+extern int _get_cpu_capabilities(void);
+
 int _cpu_capabilities = 0;
 int _cpu_has_altivec = 0;		// DEPRECATED: use _cpu_capabilities instead