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Date: Thu, 16 Oct 2014 13:35:53 -0400
From: stephen Turner <stephen.n.turner@...il.com>
To: musl@...ts.openwall.com
Subject: Re: libgcc errors
thank you both for your help. It appears i had a combination of issues yet
again that i had to work through (incompatible math lib versions? and bad
binutils builds?) but now I think i have a successful cross toolchain.
currently it appears to be linked to the local libs libm.so.6 and
libc.so.6 dynamically even though i specified static and used the musl-gcc
wrapper but it did successfully build for the target i686-linux-musl
Ironically somehow looking into setting up the /etc/ld-musl-$ARCH.path file
led me to notice the issue with the math libs. sleep deprivation however
prevents me from remembering that weird thought pattern :-p
thanks again!
On Fri, Oct 10, 2014 at 5:30 PM, Samuel Holland <samuel@...lland.net> wrote:
> On October 10, 2014 4:01:10 PM CDT, stephen Turner <
> stephen.n.turner@...il.com> wrote:
> >As previously mentioned I wiped and installed a clean debian. I did a
> >absolute minimum default install no desktop etc compiled the latest
> >stable
> >musl, m4, gmp, mpfr, mpc, and downloaded gcc 4.7.3 with
> >gregorr/musl-cross
> >patch to match.
>
> I'm assuming you're using musl-gcc to compile m4, gmp, mpfr, mpc,
> binutils(!), and gcc.
>
> >Its having a problem finding/using libmpc.so.3 but the paths appear to
> >point to the directory which it is located. to be sure i even specified
> >using the --with-mpc flag.
>
> You're almost there! All you have to do is tell musl where to find shared
> libraries. From the documentation:
>
> ../etc/ld-musl-$(ARCH).path, taken relative to the location of the
> "program interpreter" specified in the program's headers - if present, this
> will be processed as a text file containing the shared library search path,
> with components delimited by newlines or colons. If absent, a default path
> of"/lib:/usr/local/lib:/usr/lib" will be used. Not used by static-linked
> programs.
>
> You need make that file and put /root/cross/i686-linux-musl/lib in there.
> You compiled gcc fine, but the new gcc's backend isn't running because it
> can't find the shared libraries you compiled earlier because they aren't in
> a standard path.
>
> --
> Regards,
> Samuel Holland <samuel@...lland.net>
>
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