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Date: Fri, 14 Nov 2014 16:34:57 -0500
From: stephen Turner <>
Subject: Re: issues with headers?

Guess that patch is unstable or not what i expected. so there are no
patches for M4, GMP, MPFR, or MPC?


On Fri, Nov 14, 2014 at 3:22 PM, stephen Turner <>

> looks like i missed the patch for m4, again my mistake sorry.
> thanks,
> stephen
> On Fri, Nov 14, 2014 at 3:01 PM, stephen Turner <
>> wrote:
>> 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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