[Buildroot] libusb / udev support issue when using systemd and raspberrypi_defconfig
Eric Le Bihan
eric.le.bihan.dev at free.fr
Wed Mar 26 13:46:19 UTC 2014
Hi Eric!
On Wed, Mar 26, 2014 at 09:45:17AM +0100, Eric Limpens wrote:
> Hi,
> I'ld like to use systemd as init system on a RaspberryPi. Following these
> steps, libusb complains about the lack of udev support (missing libudev):
> git clone git://git.busybox.net/buildroot
> make raspberrypi_defconfig
> make menuconfig
> --> select glibc as C library
> --> select systemd as init system
> --> select package libusb
> make
> Is this a glitch with setting one of the BR2_PACKAGE_HAS_UDEV or
> BR2_PACKAGE_PROVIDERS_UDEV variables?
I reproduced your bug. It is not a glitch with systemd being a provider for
the virtual package udev, but a linking issue.
If you look at output/build/libusb-1.0.18/config.log, you will see that the
configure script fails to detect libudev because of this:
<...>/output/host/usr/arm-buildroot-linux-gnueabi/sysroot/usr/lib/libudev.so: undefined reference to `__res_search'
<...>/output/host/usr/arm-buildroot-linux-gnueabi/sysroot/usr/lib/libudev.so: undefined reference to `__res_query'
These symbols are provided by libresolv.so. Since systemd 209, some
convenience libraries have been merged into libsystemd, which pulls this
-lresolv dependency.
See this `discussion
<http://lists.freedesktop.org/archives/systemd-devel/2014-March/017923.html>`_
on system-devel mailing list for more details, as well as this `Gentoo bug report
<https://bugs.gentoo.org/show_bug.cgi?id=504700>`_ for further details.
This issue is fixed in system 212, which has been released today! I will soon
post a patch to bump this package.
Best regards,
ELB
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