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Message-Id: <1376641711.2737.42@driftwood>
Date: Fri, 16 Aug 2013 03:28:31 -0500
From: Rob Landley <rob@...dley.net>
To: musl@...ts.openwall.com
Cc: musl@...ts.openwall.com
Subject: Re: problems with dynamic linking since 0.9.1
On 08/15/2013 04:05:54 AM, Jens wrote:
>
>
>>> (In response to the wrapper problem, I let REALGCC point to the
>>> real gcc and not the wrapper).
>>
>> It's not finding crtbegin.o when I do that, and the fact that
>> (according to strace), gcc thinks:
>>
>> access("/usr/x86_64-unknown-linux/bin/../lib/gcc/x86_64-unknown-linux/4.2.1/../../../../lib64/crtbegin.o",
>> R_OK) = -1 ENOENT (No such file or directory)
>>
>> Is a good place to look for it is one of the REASONS I wrote a
>> wrapper that goes "--nostdinc --nostdlib" and then starts again.
>>
>> ("I say we take off and nuke the entire site from orbit. Only way to
>> be sure.")
>>
>> However, it sounds like you're using a stale version of the
>> aboriginal build environment because I upgraded to a binutils that
>> can build musl (and yes actually tested it at one point) several
>> months ago...
>
> The build environment is older than aboriginal.
> It is this one
> http://uclibc.org/downloads/binaries/0.9.30.1/mini-native-x86_64.tar.bz2
>
> So I guess its a bit long in the tooth.
Wow. When did I rename mini-native to root-filesystem?
changeset: 711:20ba34b54140
user: Rob Landley <rob@...dley.net>
date: Thu Apr 09 23:53:05 2009 -0500
summary: Rename mini-native.sh to root-filesystem.sh, since that's
what it builds.
So at least 4 years old, yeah.
If you just want a quick and dirty "get something running", I have
linux from scratch builds (same uClibc based toolchain) at:
http://landley.net/aboriginal/downloads/old/binaries/1.2.3
That's linux from scratch built on top of the aboriginal linux build
environment. Those are only around 6 months old, from after the
binutils switch.
> I set REALGCC to rawgcc, and I also needed to change the musl
> gcc.spec file,
> to find all object files, patch I use below (linewrap damaged):
>
> bash-4.1# more all/musl-0.9.6-1/musl-gcc.specs.pat
> --- opt/musl/lib/musl-gcc.specs.orig Fri Sep 21 07:04:50 2012
> +++ opt/musl/lib/musl-gcc.specs Fri Sep 21 07:12:34 2012
> @@ -10,13 +10,13 @@
> -L/opt/musl/lib -L .%s
>
> *libgcc:
> -libgcc.a%s %:if-exists(libgcc_eh.a%s)
> +/usr/gcc/lib/libgcc.a%s %:if-exists(/usr/gcc/lib/libgcc_eh.a%s)
>
> *startfile:
> -%{!shared: /opt/musl/lib/%{pie:S}crt1.o} /opt/musl/lib/crti.o
> %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}
> +%{!shared: /opt/musl/lib/%{pie:S}crt1.o} /opt/musl/lib/crti.o
> %{shared|pie:crtbeginS.o%s;:/usr/gcc/lib/crtbegin.o%s}
>
> *endfile:
> -%{shared|pie:crtendS.o%s;:crtend.o%s} /opt/musl/lib/crtn.o
> +%{shared|pie:crtendS.o%s;:/usr/gcc/lib/crtend.o%s}
> /opt/musl/lib/crtn.o
>
> *link:
> -dynamic-linker /lib/ld-musl-x86_64.so.1 -nostdlib %{shared:-shared}
> %{static:-static} %{rdynamic:-export-dynamic}
>
> Thanks,
> Jens
Good to know. Thanks.
Rob
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