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Message-ID: <CAA7aPHi-KM+eTTxF_7_3H6xxbBKzfqnG4DQrqdUHJs6zYdULaw@mail.gmail.com>
Date: Fri, 14 Nov 2014 15:01:34 -0500
From: stephen Turner <stephen.n.turner@...il.com>
To: musl@...ts.openwall.com
Subject: Re: issues with headers?
It appears like gmp doesn't play nice with musl hosts? a musl target is
fine allowing a cross environment to work but not a pure musl evnironment
or specifying musl as the host.
I created a cross compiler successfully but using the cross compiler to
"recreate itself" hasn't worked when rebuilding gmp as a part of the
process. It could be me, everything up to this point has been apparently
but i was hoping someone could chime in and let me know if they have
compiled gmp on a native musl system or if it requires a patch i missed or
some gnu code?
thanks,
stephen
On Fri, Nov 14, 2014 at 2:49 PM, stephen Turner <stephen.n.turner@...il.com>
wrote:
> GMP errors out with "invalid configuration 'non-pc-linux-musl' not
> recognized. Im using the --target and --host flags i686-linux-musl and
> --build i686-linux-gnu. I also tried switching to a chroot musl env and
> running a plain configure on gmp only and it complains the compiler cant
> create executables which i know to be false.
>
> Will GMP compile on a musl system?
> Google search showed one other person with the issue but no answer.
>
> thanks,
> stephen
>
>
>
> On Thu, Nov 13, 2014 at 6:23 PM, stephen Turner <
> stephen.n.turner@...il.com> wrote:
>
>> It looks like your right, I just ran a compile specifying musl headers
>> and this time it worked. I need to review my process yet again and see what
>> changed that fixed this issue.
>>
>> I new this wouldn't be easy but man i didn't expect it to feel this
>> finicky or fickle.
>>
>> thanks,
>> stephen
>>
>> On Thu, Nov 13, 2014 at 5:13 PM, Justin Cormack <
>> justin@...cialbusservice.com> wrote:
>>
>>> On Thu, Nov 13, 2014 at 10:02 PM, stephen Turner
>>> <stephen.n.turner@...il.com> wrote:
>>> > I have been trying various ways of compiling a musl system using gcc
>>> and
>>> > found that GCC-4.7.3 does not seem to want to compile against musl
>>> headers.
>>> > I install the linux headers in /usr/include then i install musl and
>>> move its
>>> > headers to /usr/include. then i specify -I/usr/include to gcc and it
>>> errors
>>> > every time (technically its /cross/usr/include as i have a separated
>>> env
>>> > from my host system) The same compile works fine against musl libs but
>>> not
>>> > the headers. The only change made from a working to a non-working
>>> system
>>> > appears to be the use of the musl generated headers.
>>> >
>>> > In the scripts to build a musl toolchain (such as gregorr) the header
>>> > location is not specified but sysroot is used (which obviously isn't
>>> linking
>>> > against the headers) I first started to see this issue when
>>> chroot'ing into
>>> > a newly created musl gcc system.
>>> >
>>> > Is musl suitable as a stand alone libc replacement? Should i not be
>>> building
>>> > against musl headers? If there is any reports or details you want me to
>>> > provide please let me know.
>>>
>>> You want to use a chroot or a VM with Musl if you are having these
>>> issues. Sabotage or Alpine are good options. It will save a lot of
>>> grief. Otherwise you are doing somethnig wrong that is hard to
>>> diagnose without much moer info.
>>>
>>> Justin
>>>
>>
>>
>
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