[libcamera-devel] [PATCH] README: Add 'ldconfig' note

[Laurent Pinchart]

On Wed, May 24, 2023 at 02:50:53PM +0200, Jacopo Mondi via libcamera-devel wrote:
> Hi Kieran
> 
> On Tue, May 23, 2023 at 12:25:30PM +0100, Kieran Bingham via libcamera-devel wrote:
> > Provide an update in the README.rst to reflect that a first install may
> > require a manual call to 'ldconfig' as the root user.
> >
> > Meson install does not do this.
> 
> Nothing specific about libcamera here, but I guess it doesn't hurt
> 
> Reviewed-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
> 
> > Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> > ---
> >  README.rst | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> >
> > diff --git a/README.rst b/README.rst
> > index 34b6b49f3575..48629280a936 100644
> > --- a/README.rst
> > +++ b/README.rst
> > @@ -37,6 +37,24 @@ To fetch the sources, build and install:
> >    meson setup build
> >    ninja -C build install
> >
> > +
> > +First run
> > +~~~~~~~~~
> > +
> > +For a first install, or an install with a newer library version the linker
> > +configuration may need to be updated. If you experience any error such as :

Extra space before colon.

> > +
> > +::
> > +
> > +   cam: error while loading shared libraries: libcamera.so.0.0.4: cannot open shared object file: No such file or directory
> > +
> > +please run:
> > +
> > +::
> > +
> > +  sudo ldconfig

As Jacopo said, this isn't specific to libcamera, but I suppose it
doesn't hurt. I hope the next step won't be to document how to add a
custom directory to /etc/ld.so.conf, as your README.rst shouldn't become
a Linux 101 tutorial :-)

> > +
> > +
> >  Dependencies
> >  ~~~~~~~~~~~~
> >

-- 
Regards,

Laurent Pinchart