[Development] Any supported platforms not tested in CI?

Konstantin Tokarev annulen at yandex.ru
Fri Oct 20 17:27:34 CEST 2017

20.10.2017, 18:14, "Thiago Macieira" <thiago.macieira at intel.com>:
> On Friday, 20 October 2017 07:09:26 PDT Konstantin Tokarev wrote:
>>  I've found this on Intel side:
>>  https://software.intel.com/en-us/node/628867
>>  I hope Thiago can tell us more about this option.
>>  I know PathScale had bi-endian compiler in the past, but I don't know if
>>  it's possible to obtain it now.
> That's a compiler to run on bi-endian systems, which I don't think anyone ever
> does. I've never seen this tool, I don't know if we could get access to it,
> and in any case I recommend against trying to do that.

Oh, then I just confused it with similarly named tool from PathScale
which was building code for running on little-endian machine but using big-endian
memory layout (by inserting byte swapping code where needed)

> For every architecture where the processor can run in either endianness, the
> system chooses one and sticks to it, so all software is specifically compiled
> for that choice. It's also encoded in the Qt sysinfo name:
> $ $QTLIBDIR/libQt5Core.t.so | head -1
> This is the QtCore library version Qt 5.10.0 (x86_64-little_endian-lp64 shared
> (dynamic) debug build; by GCC 7.2.1 20171005 [gcc-7-branch revision 253439])
> See
> https://www.debian.org/releases/stable/i386/ch02s01.html.en
>         armel - l for little endian
>         mipsel - l for little endian
>         mips64el - l for little endian
>         ppc64el - l for little endian
> I'd recommend trying the mips build, though it doesn't have the "e" which I
> believe stands for either "embedded" or "EABI" (where the E stands for
> "embedded"). Yocto also defaults to big endian:
> $ file -L /opt/poky/2.3/sysroots/mips32r2-poky-linux/lib/libc.so.6
> /opt/poky/2.3/sysroots/mips32r2-poky-linux/lib/libc.so.6: ELF 32-bit MSB
> shared object, MIPS, MIPS32 rel2 version 1 (SYSV), dynamically linked,
> interpreter /lib/ld.so.1, for GNU/Linux 3.2.0, stripped
> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>   Software Architect - Intel Open Source Technology Center
> _______________________________________________
> Development mailing list
> Development at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/development


More information about the Development mailing list