opencv plugin problem

[Nicolas Dufresne]

Le mer. 15 août 2018 18:41, tasos <tasoss at gmail.com> a écrit :

> You are right.
> I had to make clean && make distclean and then used configure with
> enable-mainterer-mode (which previously i had disabled).
> Thank you very much!
>

Glad it works now. For the record:

If you do a single build -> disable-maintainer-mode
If you are going to update and build -> enable-maintainer-mode

Or use meson build system, it only run in equivalent of maintainer mode,
but without the overhead.


> On 8/15/2018 2:58 PM, Nicolas Dufresne wrote:
> > Le mercredi 15 août 2018 à 05:29 +0300, tasos a écrit :
> >> Hello Sir.
> >> After getting the latest code from master branch(of gstreamer etc)
> >> i'm
> >> facing the following problem.
> > It looks like you have build using older makefiles with newer code.
> > With the side effects that some cpp files didn't get included. Try and
> > cleanup your environment et rebuild from scratch.
> >
> > This usually happens if you disable maintainer mode in configure, you
> > have disabled some timestamp on your file system or you have change the
> > time on your system.
> >
> > Nicolas
> >> I'm using opencv's cvdilate plugin and i get
> >> (gst-plugin-scanner:27583): GStreamer-WARNING **: Failed to load
> >> plugin
> >> '/usr/local/lib/gstreamer-1.0/libgstopencv.so':
> >> /usr/local/lib/gstreamer-1.0/libgstopencv.so: undefined symbol:
> >> gst_camera_calibrate_plugin_init
> >>
> >> I don't know if this helps
> >>
> >> tasoss at tasoss:~/tmp/ok$ readelf -Ws
> >> /usr/local/lib/gstreamer-1.0/libgstopencv.so |  grep
> >> "gst_camera_calibrate_plugin_init"
> >>       31: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND
> >> gst_camera_calibrate_plugin_init
> >>      996: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND
> >> gst_camera_calibrate_plugin_init
> >>
> >> I'm using the 3.4 branch of opencv and latest from gstreamer(plugins
> >> etc).
> >> Any ideas please?
> >> Thanks
> >> ps:I contacted you because i have seen changes from you lately on
> >> opencv's plugins.
> >>
> >>
> >>
>
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