On Wed, Jan 04, 2017 at 04:36:46PM -0500, Rich Felker wrote:
> On Wed, Jan 04, 2017 at 10:27:49PM +0100, Reiner Herrmann wrote:
> > On Wed, Jan 04, 2017 at 04:06:09PM -0500, Rich Felker wrote:
> > > The error is from gas; do you know the binutils version? Also, what
> > > -march is gcc configured for?
> > 
> > Thanks for the binutils hint. I just tried some older versions, and
> > found out that it builds fine with binutils 2.27.51.20161102-1, but
> > no longer with 2.27.51.20161105-1.
> 
> Can you find the commit that broke it and figure out if it's a
> binutils bug or an intentional change we need to find a way to work
> with?

Someone posted the bug also on the binutils mailinglist [0], and found
the commit which broke it [1].
I now built binutils 2.27.51.20161105-1 with this commit reverted, and
was able to build musl.

[0] https://sourceware.org/ml/binutils/2017-01/msg00081.html
[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=bada43421274615d0d5f629a61a60b7daa71bc15