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Date: Sun, 26 Jun 2016 12:12:24 -0400
From: Rich Felker <>
Subject: Re: [GSoC2016] Weekly Report of Porting musl to RISC-V
 Project #4

On Sat, Jun 18, 2016 at 06:30:17PM +0200, Szabolcs Nagy wrote:
> * Masanori Ogino <> [2016-06-18 22:21:58 +0900]:
> > This week, I have tried to run libc-test [1] on Spike with the
> > musl-based toolchain, but not succeeded. I found a minor problem with
> > recent cpp (I will report it to the maintainer of libc-test later) but
> you have to s/-E/-E -P/ in the makefile
> i was reluctant to do this upstream as it is a non-standard flag.

If gcc isn't planning to fix this, I think we should find a good
out-of-the-box workaround in libc-test. That would probably be either
a probe for gcc needing -P, or a filter to undo whatever mangling gcc
does without -P. It seems like a fairly trivial sed script could do
the latter.


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