Hi! El mié., 19 jun. 2019 11:13, Ziyuan <[email protected]> escribió:
> hi Lisandro， > > Thanks for your reply. > > On 2019/6/19 下午7:42, Lisandro Damián Nicanor Pérez Meyer wrote: > > Hi Ziyuan! > > > > On Wed, 19 Jun 2019 at 07:07, ziyuan <[email protected]> wrote: > >> hi maintainer, > >> > >> I have a question for cross compile qtbase5-dev package for debian. > > You mean here src:qtbase-opensource-src > > > Yup, I need to build the package from source code. > > > > > >> I wanna cross compile aarch64/armhf package for qtbase5-dev, due to the > >> GPU of Rockchip SoC can't support OpenGL desktop, they're just support > >> OpenGL ES.I have to revert the commit: > >> > >> commit d35641e169dd5a2db4886f83a1bb558a958e3f68 > >> Author: Lisandro Damián Nicanor Pérez Meyer <[email protected]> > >> Date: Tue Dec 4 13:29:19 2018 -0300 > >> > >> Revert the arm64 switch to OpenGL ES. > >> > >> See <https://lists.debian.org/debian-devel/2018/11/msg00457.html> > >> > >> > >> As we know, we should use "-xplatform" or "-device" options to configure > >> the qtbase5-dev. But I can't find any related 'key word' in > >> debian/rules, and I re-build the pakcage use 'dpkg-buildpackage -us -uc > >> -B' on sourcecode of qtbase5-dev. I found that all files(*.o) are run > >> for amd64 architecture not aarch64. > > I'm afraid qtbase-opensource-src currently does not cross compiles > > using normal Debian techniques because we could not fix the qmake > > bootstrap in it. > > > >> I tried to 'chroot' a rootfs for aarch64, and use qemu-aarch64 tools to > >> cross compile, but it's too slow. > >> > >> Could you provide any document for cross comiple qtbase5-dev package on > >> x64 architecture? > > The only way I can think of is: > > > > - Install qemu-user-static > > - Create an aarch64 chroot > > - Mount /proc, /sys, /dev and /dev/pts in it > > - chroot into the chroot > > - "natively" compile there. > > > > > > Yes, it **will* be slow. And I can't warrant it will work. > > > From the point of now, I have to cross compile via qemu+chroot. :-( > > > And, I mentioned earlier, rockchip SoCs can't support OpenGL desktop > feature, so we have to revert > commit(d35641e169dd5a2db4886f83a1bb558a958e3f68), is possible that the > latest qtbase5-dev:arm64 support opengl es? Dmitry (CCed) is working on that in experimental.
