[CentOS] missing V4L or related dependencies

Boris Epstein borepstein at gmail.com
Tue Jul 24 19:27:36 UTC 2012


On Tue, Jul 24, 2012 at 2:48 PM, <m.roth at 5-cent.us> wrote:

> Boris Epstein wrote:
> > On Tue, Jul 24, 2012 at 2:41 PM, <m.roth at 5-cent.us> wrote:
> >> Boris Epstein wrote:
> >> > Hello again,
> >> >
> >> > Looks like the functions I need - at least some of them - are defined
> >> > in videobuf-vmalloc.h
> >> >
> >> > I still have no idea where to find them - i.e., what to
> >> > include/install to make them resolve.
> >>
> >> Ah, a locate found it. It's in kernel-devel.
> >>
> > OK... thanks Mark!
> >
> > Then how come I fail to link to it?
>
> Wait - this is in something already compiled, or are you building it? If
> the former, then for some reason, it may not be in your link path, or you
> might need to add it to LD_LIBRARY_PATH. If the former, I dunno why it
> wouldn't have the path right. You're not building a 32-bit on a 64 bit, or
> vice versa, are you?
>
>        mark
>
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Mark,

I was trying to compile the software on a 64-bit machine. kernel-devel was
installed. After I ran a

yum update

and rebooted the system the compilation worked like a charm.

This must have been some ldconfig issue or some such.

Thanks for your help.

Boris.



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