Build gst-python 1.18 - linking failed - cannot open libpython shared object file?

[Joe Bacon]

I have tried again but on a different platform and it links correctly...
Laptop / Ubuntu 22.04 / x86_64

Still investigating. Ultimately I still need this to work on the Jetson NX

On Thu, 2 Jun 2022 at 18:10, Joe Bacon <joejbacon at gmail.com> wrote:

> Hi
>
> libpython3.10.so.1.0 exists and is in /opt/python/3.10/lib as expected -
> it is exactly where I specified it to be built when I built python. And i
> am able to spawn new VMs from this version of python.
> I have tried adding this path to all my search paths.
> I use meson to build gst-python and i have also tried configuring it to
> explicitly use that path i.e. -D libpython-dir=/opt/python/3.10/lib  (see
> meson_options.txt)
> I have also tried adding my env. variables 'exports' to bashrc and then
> profile. no difference.
> If I run python from my environment I can query the lib path and it
> correctly points to /opt/python/3.10/lib
> I've gone through the meson build files and ninja build files.
> I can't find anything wrong. It feels so close to working!
>
>
>
> On Thu, 2 Jun 2022 at 16:58, carl hansen <carlhansen1234 at gmail.com> wrote:
>
>> On Thu, Jun 2, 2022 at 3:45 AM Joe Bacon via gstreamer-devel
>> <gstreamer-devel at lists.freedesktop.org> wrote:
>> >
>> > Hi
>> > Please could someone help me... I believe this is a simple problem of a
>> missing path environment variable but i'm at a loss...
>>
>> I know the feeling.
>>
>> > My environment variables seem correct from everything I've read.
>>
>> Don't believe everything you read.
>>
>>
>> > Environment variables:
>> > export
>> PATH=/opt/python/3.10/bin:/opt/opencv/bin:/opt/srt/bin:/opt/gstreamer/1.18/bin:$PATH
>> > export
>> LD_LIBRARY_PATH=/opt/opencv/lib:/opt/srt/lib:/opt/gstreamer/1.18/lib/aarch64-linux-gnu:/opt/python/3.10/lib
>> > export
>> LIBRARY_PATH=/opt/opencv/lib:/opt/srt/lib:/opt/gstreamer/1.18/lib/aarch64-linux-gnu:/opt/python/3.10/lib
>> > export CPPFLAGS='-I/opt/opencv/include -I/opt/srt/include
>> -I/opt/gstreamer/1.18/include -I/home/sg/dev/environments/sg/include
>> -I/opt/python/3.10/include'
>> > export
>> PKG_CONFIG_PATH=/opt/opencv/lib/pkgconfig:/opt/srt/lib/pkgconfig:/opt/gstreamer/1.18/lib/aarch64-linux-gnu/pkgconfig:/opt/python/3.10/lib/pkgconfig
>> > export PYTHONPATH=~/dev/environments/sg/lib/python3.10/site-packages
>> > export
>> GI_TYPELIB_PATH=/opt/gstreamer/1.18/lib/aarch64-linux-gnu/girepository-1.0
>> > export
>> GST_PLUGIN_PATH=/opt/gstreamer/1.18/lib/aarch64-linux-gnu/gstreamer-1.0
>> >
>> >
>>
>> ......
>>
>> > ninja: Entering directory `build/'
>> > [4/5] Installing files.
>> > /home/sg/dev/environments/sg/bin/python3: error while loading shared
>> libraries: libpython3.10.so.1.0: cannot open shared object file: No such
>> file or directory
>> > FAILED: meson-install
>>
>> First find libpython3.10.so.1.0 on your system. Mine was in /usr/lib64/
>> Try adding more to those LiBRARY envs  and/or look in the venv sq ,
>> just a suggestion... Who knows?
>>
>
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