No, haven't edited the makefile -- it is the same as it was after patching from the 0136u1.diff after Step 5 of the guide in this topic.
[bill@localhost mame0136]$ md5sum makefile
43724f271cc7c0671392a736cac63dbf makefile
[bill@localhost mame0136]$ uname -a
Linux localhost.localdomain 2.6.29-3.ydl61.4 #1 SMP Mon Sep 7 14:50:27 PDT 2009 ppc64 ppc64 ppc64 GNU/Linux
[bill@localhost mame0136]$ file mame
mame: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped