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qt5: install missing examples

Thomas Petazzoni buildroot 1 version New

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Cover letter [Buildroot] [PATCH 0/9] qt5: install missing examples

Hello Ga?l,

Quoted 5 lines · Ga?l PORTAY
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However, I am not super happy with how we install Qt5 packages right now. What we do is:

I am not happy too; and I was already thinking about improving that.

Great.

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- Staging installation: "make install", with no DESTDIR or anything similar

- Target installation: manual copy.

Ideally, I'd prefer if we could do:

- Staging installation: make DESTDIR=$(STAGING_DIR) install
- Target installation: make DESTDIR=$(TARGET_DIR) install

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Unfortunately, this doesn't work as-is, because the $(STAGING_DIR) location is hardcoded at Qt configure time, so it doesn't work immediately to do separate installation for staging and target. I know Arnout briefly looked into this during the last Buildroot hackathon.

There is INSTALL_ROOT variable which looks to be equivalent to DESTDIR.

Yes, but no. The problem is that with the way things are currently setup, if you set INSTALL_ROOT to /foo/bar and STAGING_DIR is /home/thomas/buildroot/output/staging, then Qt5 stuff will be installed in:

/foo/bar/home/thomas/buildroot/output/staging

Which is obviously wrong. And I believe the fact that it does this is due to:

                -sysroot $(STAGING_DIR) \

when configuring Qt5. Some research is needed to see if a better solution is possible :-)

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Also, I was thinking about a qmake-package or a qt5module-package.

A qmake-package infrastructure might make sense. But beware of Qt4/Qt5 compatibility. But to me, fixing the first problem is much more important/useful.

Thanks!

Thomas

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Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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