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Date: Sat, 13 Oct 2012 16:49:45 -0700
From: Isaac Dunham <idunham@...abit.com>
To: musl@...ts.openwall.com
Subject: Re: feature request: flag to disable math library build
On Sat, 13 Oct 2012 08:26:42 -0400
Rich Felker <dalias@...ifal.cx> wrote:
> > And IIRC, src/complex built the last time I tried CVS pcc (but I
> > could be misremembering!)
>
> Nice to hear - I hope that's true!
Yes. pcc 20120923 used.
The problems I'm running into are -m*:
echo 'int main(){ return 0; }' |pcc -march=i386 -
ld: unrecognised emulation mode: arch=i386
Supported emulations: elf_i386 i386linux elf_x86_64 elf_l1om
ld terminated with status 1
(I use -melf_i386, i386linux is not the right mode)
And a segfaulty loader.
> > However, C11 makes complex numbers optional, and there's currently
> > no dependance on src/complex/ - would it make sense to allow
> > /configure --disable-complex
> > (via the filter-out rule)?
> There are plenty of other things in musl that are not required by the
> base standards, like GNU extensions, all of the XSI option, and
> various POSIX feature groups like spawn, but they're not made
> optional, because it increases complexity and has almost no benefits.
The potential issue is that complex/ requires a compiler capable of handling complex numbers, which C11 makes optional. Of course, it would be possible to just say that the compiler used to build musl must support complex numbers.
--
Isaac Dunham <idunham@...abit.com>
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