Build failure in solid, udev related
Alexander Neundorf
neundorf at kde.org
Thu Jun 27 20:31:46 UTC 2013
On Saturday 25 May 2013, Kevin Ottens wrote:
> On Friday 24 May 2013 23:15:10 Alexander Neundorf wrote:
> > On Thursday 23 May 2013, Alexander Neundorf wrote:
> > > On Thursday 23 May 2013, Alexander Neundorf wrote:
> > > > Hi,
> > > >
> > > > it seems I finally got a working Qt install :-)
> > > >
> > > >
> > > > [ 7%] Building CXX object
> > > > tier1/solid/src/solid/CMakeFiles/Solid.dir/backends/shared/udevqtdevi
> > > > ce. c
> > > > pp .o tier1/solid/src/solid/backends/shared/udevqtdevice.cpp: In
> > > > member function 'QStringList UdevQt::Device::sysfsProperties()
> > > > const':
> > > > tier1/solid/src/solid/backends/shared/udevqtdevice.cpp:205:72:
> > > > error: 'udev_device_get_sysattr_list_entry' was not declared in this
> > > > scope tier1/solid/src/solid/backends/shared/udevqtdevice.cpp:206:1:
> > > > error: control reaches end of non-void function
> > > > make[2]: ***
> > > > [tier1/solid/src/solid/CMakeFiles/Solid.dir/backends/shared/udevqtdev
> > > > ice .
> > > > cp p.o] Error 1
> > > > make[1]: *** [tier1/solid/src/solid/CMakeFiles/Solid.dir/all] Error 2
> > > >
> > > >
> > > > Some udev version check missing or what is going wrong here ?
> > >
> > > This is on Slackware 13.37, udev 0.10.0.
> >
> > Ok. My udev version is 165.
> > udev_device_get_sysattr_list_entry() (and udev_get_run_path(), but solid
> > doesn't use that) was added in version 167.
> >
> > libudev.h does not seem to have a function for querying the version, at
> > least I didn't find any in libudev.h.
> >
> > I think I'll add a check whether udev_device_get_sysattr_list_entry() is
> > available.
> > What to do if not ?
> > Error out, and make it a hard dependency, or just have the function
> > QStringList Device::sysfsProperties() return an empty list if the
> > function is not available ?
>
> I think it's fine to error out in that case.
I pushed a patch now which disabled the udev backend if that function is
missing.
It makes it build for me.
Let me know if there are issues with it.
Alex
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