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Date: Fri, 14 Nov 2014 15:22:28 -0500
From: stephen Turner <>
Subject: Re: issues with headers?

looks like i missed the patch for m4, again my mistake sorry.


On Fri, Nov 14, 2014 at 3:01 PM, stephen Turner <>

> 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 <
>> 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 <
>>> 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 <
>>>> wrote:
>>>> On Thu, Nov 13, 2014 at 10:02 PM, stephen Turner
>>>> <> 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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