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Date: Fri, 14 Nov 2014 14:49:18 -0500
From: stephen Turner <>
Subject: Re: issues with headers?

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.


On Thu, Nov 13, 2014 at 6:23 PM, stephen Turner <>

> 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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