[Development] Switch the main "Qt Build System"
alexandru.croitor at qt.io
Tue Jun 9 10:26:12 CEST 2020
> On 9. Jun 2020, at 10:17, Jean-Michaël Celerier <jeanmichael.celerier at gmail.com> wrote:
> To simplify this step, is there / could there be maybe a -DQT_BUILD_TOOLS_ONLY that would just generate... well, moc, uic, rcc and a couple other friends required for a cross-build ?
I think that should technically be possible, but I have doubts about it.
Not all tools are "bootstrap" tools anymore, which means for uic you need to build QtCore (same for qmake actually).
I think qtdeclarative has tools that depend on QtQml.
So you'll have to have this weird hybrid of a Qt installation that needs to be maintained to work.
> On Tue, Jun 9, 2020 at 10:14 AM Alexandru Croitor <alexandru.croitor at qt.io> wrote:
> > On 9. Jun 2020, at 07:22, Bogdan Vatra <bogdan.vatra at kdab.com> wrote:
> > - is it possible to cross compile Qt in one go (just like we do with qmake)?
> Could you clarify what you mean by "in one go"?
> If it's about building host tools as part of the cross-compilation, then no. You first have to build a desktop Qt, and re-use that host Qt installation for its tools, to cross-compile to another target.
> That's been one of the goals for Qt 6 regardless of build system, and has been communicated a while ago.
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