[Interest] [5.6] 32bits build of qtwebengine and pkg-config issues on Ubuntu-16.04-x86_64

[Konstantin Tokarev]

> On Saturday, 6 January 2018 18:17:05 CST Christian Gagneraud wrote:
> 
>> Is it a bug in Qt/webengine source? Why QtWebengine doesn't see the
>> i386 -dev packages unless i install pkg-config:i386 (which breaks
>> things)?
>> Or is it a problem with Ubuntu?
> 
> Ah, that's an interesting situation. The difference between those two pkg-
> config is where they find their .pc files: one searches the 32-bit /usr/lib
> and the other the 64-bit one. You can use the 64-bit pkgconfig, but you need
> to make sure that every 32-bit devel package you have also has the
> corresponding 64-bit one so the .pc file will be found.

Wouldn't setting PKG_CONFIG_PATH be a better solution?

> 
> Hopefully the compiler options will be the same. The include dirs should be
> and pkg-config does not print the system libdir. Unless Ubuntu or Debian broke
> that.

I've seen conflicts in some packages between dev for i386 and x86_64

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