Things are NOT going well here.  I've been building the books as at
3rd August (so, with gcc-5.2.0 but before newer ncurses, glibc) as
i686 in qemu.

The box keeps locking up, sometimes oopsing (flashing keyboard LEDs)
and nothing ever gets into the logs to show the problem.  This is
with a 4.2.0-rc6 kernel, qemu-2.4.0 so perhaps one of those is the
problem.  But I'll boot memtest86 when I've sent this mail, in case
the memory is dieing.  But meanwhile -

qupzilla fails to build.  At first I thought it was the messages
about missing locale files such as

RCC: Error in 'flashcookiemanager.qrc': Cannot find file 'locale/fa_IR.qm'
RCC: Error in 'autoscroll.qrc': Cannot find file 'locale/ar_SA.qm'

but then I found that even my last good build had those.  A *lot* of
them.  Eventually, I found that libQupZilla.so was failing to link
with

undefined reference to 'QStyleOptionFrameV3::QStyleOptionFrameV3()'

I am guessing that this might be related to a change in gcc-5.2.0
because nothing else looks likely to have broken this (same version
of qt5 as before, now in /usr).

The only file which references QStyleOptionFrameV3 is
src/lib/navigation/locationbar.cpp which has as its last include

#include <QStyleOptionFrameV3>

I had assumed that ought to be enough.

Google found nothing, and I cannot see anything relevant in
qupzilla's git.  I've reached a dead end here, but perhaps I've
misdiagnosed the problem.  Maybe qt5 missed something (on my first
attempt it did not build WebKit because ruby was missing and that
message was hidden deep down in the log - yes, I know the book
mentions it, but I've rearranged my build order and missed that
part).

It's at times like these that I regret building in a VM (have to
start qemu, and no copy/paste the way mine is set up).

ĸen
-- 
This one goes up to eleven: but only on a clear day, with the wind in
the right direction.
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