######
# libmemusage uses the rdtsc instruction, which will not compile
# on any machine less than i586.
#
# i486 is the only architecture supported by gentoo affected.
#       - taviso@gentoo.org
#########################
--- glibc-2.3.2/sysdeps/i386/memusage.h	2001-08-08 07:39:20.000000000 +0100
+++ glibc-2.3.2/sysdeps/i386/memusage.h	2004-02-27 21:39:44.000000000 +0000
@@ -17,6 +17,9 @@
    02111-1307 USA.  */
 
 #define GETSP() ({ register uintptr_t stack_ptr asm ("esp"); stack_ptr; })
-#define GETTIME(low,high) asm ("rdtsc" : "=a" (low), "=d" (high))
+
+#ifndef __i486__
+# define GETTIME(low,high) asm ("rdtsc" : "=a" (low), "=d" (high))
+#endif /* __i486__ */
 
 #include <sysdeps/generic/memusage.h>