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Message-ID: <20151130221412.GW3818@brightrain.aerifal.cx>
Date: Mon, 30 Nov 2015 17:14:12 -0500
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: Support for out-of-tree build
On Mon, Nov 30, 2015 at 04:14:32PM -0500, Rich Felker wrote:
> On Mon, Nov 30, 2015 at 02:49:47AM +0000, Petr Hosek wrote:
> > On Sun, Nov 29, 2015 at 5:36 PM Rich Felker <dalias@...c.org> wrote:
> >
> > > With ARCH=sh and SUBARCH=-nofpu and ASMSUBARCH=-nofpu, it looks to
> > > me like both src/setjmp/sh/setjmp.o and src/setjmp/sh-nofpu/setjmp.s
> > > will get included, rather than the latter replacing the former.
> > >
> >
> > Thanks, I managed to replicate that error.
> >
> >
> > > > When I tried this change, I started getting duplicate symbol errors when
> > > > linking libc.so, but with the original it seems to be working fine (this
> > > > particular case was when ARCH=arm SUBARCH=hf ASMSUBARCH=ebhf).
> > >
> > > I didn't mean to get rid of the existing subst, but to introduce a
> > > second one, so that src/whatever/$(ARCH)@(ASMSUBARCH)/foo.o
> > > excludes/replaces both src/whatever/$(ARCH)/foo.o and
> > > src/whatever/foo.o.
> > >
> >
> > Got it, I've added the additional subst which solves the problem.
>
> I'm trying it again now, and I'm still getting an error trying to
> build in a fresh out-of-tree dir:
>
> make: *** No rule to make target `obj/crt/i386/', needed by `obj/crt/crt1.o'. Stop.
Manually creating the directory makes the build succeed. I also get,
when re-running configure:
creating config.mak... ln: ./Makefile: File exists
done
Not an error, but confusing and not what I would expect.
Rich
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