--- h/powerpc-macosx.h.orig	2011-04-03 17:21:21.000000000 +1000
+++ h/powerpc-macosx.h	2011-04-03 17:34:35.000000000 +1000
@@ -36,10 +36,10 @@ extern char *mach_brkpt;
 extern char *get_dbegin ();
 
 #undef SET_REAL_MAXPAGE
-#define SET_REAL_MAXPAGE { my_sbrk(0); real_maxpage = (int) mach_maplimit/PAGESIZE; }
+#define SET_REAL_MAXPAGE { sbrk(0); real_maxpage = (int) mach_maplimit/PAGESIZE; }
 
-#define sbrk my_sbrk
-extern char *my_sbrk(int incr);
+/*#define sbrk my_sbrk
+extern char *my_sbrk(int incr);*/
 
 
 /** (si::save-system "...") a.k.a. unexec implementation  */
