[Development] 32bit linux build of qt5.10.0 w/ webengine

Konstantin Tokarev annulen at yandex.ru
Fri Dec 22 13:30:12 CET 2017

22.12.2017, 15:26, "Thiago Macieira" <thiago.macieira at intel.com>:
> On quinta-feira, 21 de dezembro de 2017 22:00:26 -02 Kevin Kofler wrote:
>>  Thiago Macieira wrote:
>>  > To build? At least 8 GB of RAM and please use a 64-bit toolchain. You may
>>  > compile for 32-bit, but you need to use a 64-bit linker executable.
>>  I haven't tried 5.10.0 yet, but 5.9.3 built fine with the 32-bit toolchains
>>  we have in our Fedora 32-bit buildroots (i686 and armv7hl). All packages in
>>  Fedora are natively built, not cross-built, which means that 32-bit binaries
>>  will necessarily be built with a 32-bit linker. If this stops/stopped
>>  working, we will no longer be able to ship QtWebEngine on 32-bit
>>  architectures in Fedora.
> A 32-bit executable is limited to 4 GB of RAM on a 64-bit kernel. If you're
> running a 32-bit kernel, then the limit drops to 3 GB.
> At the very least, make sure you're using gold, not ld.bfd. But my
> recommendation stands, especially for developers.
> I'm also not asking for a cross-compilation. I'm asking for a native linker
> that is a 64-bit executable that your 64-bit CPU and 64-bit kernel can execute
> natively anyway.

Well, -m32 is also a kind of cross-compilation. It requires completely different set
of dependency packages to be preinstalled.

> --
> Thiago Macieira - thiago.macieira (AT) intel.com
>   Software Architect - Intel Open Source Technology Center
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