GDC/ARM: Help needed: Porting std.math.internal.gammafunction

[Iain Buclaw via Digitalmars-d]

On 3 July 2014 18:02, Johannes Pfau via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> Am Thu, 03 Jul 2014 16:47:41 +0000
> schrieb "John Colvin" <john.loughran.colvin at gmail.com>:
>
>> testing the latest gdc release, writeln and friends are broken
>> for 64bit reals. Use core.stdc.stdio.printf with %lf instead.
>
> Actually mixing code compiled with -mlong-double-64 and code compiled
> without it can't really work - so I was wrong and it's not easily
> possible to compile only gammafunction with -mlong-double-64
> (gammefunction calls into other maths modules).
>
> So it seems to really test this, either an ARM cross compiler + ARM
> system could be used or druntime+phobos must be built with
> -mlong-double-64 as well.


FYI, for those who don't have a ARM board at hand, there's always QEMU+chroot.

http://superpiadventures.com/2012/07/development-environment/