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

Thiago Macieira thiago.macieira at intel.com
Wed Jan 3 21:01:43 CET 2018

On Wednesday, 3 January 2018 17:53:40 -02 Toan Pham wrote:
> Thiago,
> I am using gcc 4.8.5, but the compiler was optimized for pentium4 so all of
> those vector instructions had to be disabled at build time.

Ah, ok, provided "all those" imply "those that Pentium 4 did not support".

> BTW, I got webengine to compile successfully with several patches to
> libvpx.  Now, I just ran into another brick wall with the errors attached
> at the end of this email.
> Here is my qt configure option:
> -prefix /opt/qt5.10.0 -no-separate-debug-info -system-zlib -system-libpng
> -confirm-license -nomake examples -I /usr/X11/include -release
> -webengine-webrtc -qt-libjpeg -no-sse2 -no-sse3 -no-sse3 -no-sse4.1
> -no-sse4.2 -no-avx -no-avx2

If you want to optimise for Pentium 4, you're going the wrong way about it. 
Please re-read the  specs for your processor and disable ONLY the features it 
doesn't possess.

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

More information about the Development mailing list