diff --git a/plat/osxppc/descr b/plat/osxppc/descr
index 130d2bd25..2a6d47871 100644
--- a/plat/osxppc/descr
+++ b/plat/osxppc/descr
@@ -19,12 +19,7 @@ var PLATFORM=osxppc
 var PLATFORMDIR={EM}/share/ack/{PLATFORM}
 var CPP_F=-D__unix
 var ALIGN=-a0:4 -a1:4 -a2:4096 -a3:4 -b0:0x129c
-var C_LIB={PLATFORMDIR}/libc-ansi.a
-# bitfields reversed for compatibility with (g)cc.
-# XXX this is from linux386, might be wrong for osxppc
-var CC_ALIGN=-Vr
-var OLD_C_LIB={C_LIB}
-var MACHOPT_F=-m10
+var MACHOPT_F=-m3
 # var EGO_PLAT_FLAGS=-M{EM}/share/ack/ego/{ARCH}.descr
 
 # Override the setting in fe so that files compiled for osxppc can see
@@ -41,6 +36,15 @@ name be
 	stdout
 	need .e
 end
+name asopt
+	from .s
+	to .so
+	program {EM}/lib/ack/linuxppc/top
+	args
+	optimizer
+	stdin
+	stdout
+end
 name as
 	from .s.so
 	to .o