Hi,
In the past few days we've landed a few changes that affect the way the Qt port
of WebKit is built.
TL;DR: Tools/Scripts/build-webkit is for developers only, everyone else use
qmake && make to build.
For people developing:
Tor Arne changed the default of build-webkit --qt to use the
force_static_libs_as_shared trick to
speed up the linking of the beast. It's now enabled for debug and release
builds automatically on
Linux and Mac OS X [1]. This makes using --debug much much more feasible (I
just did a full debug build
with --no-svg on my slow Laptop with 4GB of RAM running in 32-bit x86 mode
and it works just fine)
So --debug builds are back in the game of being pretty usable for
development and we can now all
enjoy running into magic ASSERTs that usually only Zalan runs into ;-)
For people packaging:
If you build QtWebKit as part of a big build of qt5.git, then you can stop
reading and move on to the next
unread email :-). If you build it as module separately, then please change
your build scripts to stop using
Tools/Scripts/build-webkit --qt and instead build QtWebKit just like you
build all the other Qt 5 modules, using
simply qmake followed by make. (out-of-source builds are supported of
course)
The differences between using build-webkit versus qmake && make are subtle, but
important from a software
distribution point of view. It's only the latter approach that optimizes the
build for distribution, by minimizing the
number of shared libraries to install, by combining several compilation units
into one for more optimized code and
smaller binaries. In the .pro files the differences are scoped with
production_build {}.
Simon
[1] Unfortunately that trick cannot be deployed on Windows easily, but on the
upside MSVC at least is pretty quick
at handling debug builds, to an extend where I would argue that it's usable for
light development. In fact while porting
WebKit2 to Qt/Windows I only used debug builds.
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