Compile qt webengine 5.6.3 with xp support failed

[LinArcX]

Hi,
I want to compile QtWebEngine 5.6.3 against MSVC2013 on windows 7.(target = windows XP)
But i got these errors:
https://gist.github.com/LinArcX/4b3a7d8a64ea1e2e69e1d4f075a4aac3

[mrjj]

Hi
It seems you can reduce warning level to get past that.

something like
QMAKE_CXXFLAGS_WARN_ON -= -W4
QMAKE_CXXFLAGS_WARN_ON += -W3

in the .pro file

[LinArcX]

@mrjj Nothing changed! Still get same errors.

Seems it tries to compile libvpx:

d:\myqt\5.6.3\modules\qtwebengine\src\3rdparty\chromium\third_party\libvpx_new\source\libvpx\vpx_ports\x86.h(141) : error C2220
: warning treated as error - no 'object' file generated

But libvpx disable in configure step:

Running configure tests
Checking for khr... no
Checking for libvpx... no
Checking for snappy... no
Checking for srtp... no
Proprietary codecs (H264, MP3).... Enabled
Geolocation....................... Enabled

[mrjj]

@LinArcX
Hi
ok.
If you google "error C2220
: warning treated as error" people suggest to lower the warning level so you have to find a way to do that with MSVC2013

[LinArcX]

I didn't find any solution yet. Anybody knows how can i overcome this issue?

A question: Why configure log said that:
Checking for libvpx... no

But it tries to compile it?

I don't need libvpx. How can i exclude it from build process?