From owner-freebsd-hackers@FreeBSD.ORG  Mon Oct 21 06:38:09 2013
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Date: Mon, 21 Oct 2013 08:38:08 +0200
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Subject: modyfing cross toolchain compilation
From: Aleksander <aleek@FreeBSD.org>
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hello!

Few days ago, when playing with linux-ppc, I have identified a bug with
PowerPC toolchain. It turns out that PowerPC e500 core is not compilant
with generic ppc ISA - it lacks of 'lwsync' instruction. This instruction
is used in libstdc++.so library, so I need to modify toolchain build
process by adding -me500v2 option, when building  libraries. Can you tell
me how to do it, so I can test this potential soluton?

-- 
regards
aleek