This is not a distro issue. It's a libstdc++ portability issue. =

libstdc++

hardcodes lwsync unless __NO_LWSYNC__ is explicitly defined,
which you only get with -mcpu=3D8540/-mcpu=3D8548.  When compiled
for any powerpc target other than -mcpu=3D8540/-mcpu=3D8548, including
the default -mcpu=3Dcommon,  libstdc++ will end up containing lwsync.
There is no way to explicitly request libstdc++ to be built without =

lwsync

with an -mcpu target other than 8540/8548.
=20
The issue is easily demonstrated by running a program that throws a
C++ exception: __cxa_throw() is called, which has an lwsync.  This
results in an illegal instruction exception when run on an =

e500v1/e500v2.

Perhaps libstc++ should be working out at run time whether lwsync is =
valid?

	David