gplugin/gplugin

Python3 has started shipping multiple pc files so we need to check for all of them similar to lua.

2021-07-23, Gary Kramlich
bf9af95cb6d4
Python3 has started shipping multiple pc files so we need to check for all of them similar to lua.

Testing Done:
Ran on debian unstable with python3.10 and python3.9 installed. pygobject doesn't current work with python3.10 according to the test output but python3.9 worked fine.

```
Dependency pygobject-3.0 found: YES 3.38.0 (cached)
Found pkg-config: /usr/bin/pkg-config (0.29.2)
Run-time dependency python-3.10-embed found: YES 3.10
Checking if "Python3 GI" with dependencies glib-2.0, python-3.10-embed, pygobject-3.0 runs: NO (255)
Message: pygobject does not work with python-3.10-embed
Run-time dependency python-3.9-embed found: YES 3.9
Checking if "Python3 GI" with dependencies glib-2.0, python-3.9-embed, pygobject-3.0 runs: YES
```

Reviewed at https://reviews.imfreedom.org/r/832/
if get_option('perl5')
e = executable('test-perl5-loader', 'test-perl5-loader.c',
c_args : [
'-DPERL5_LOADER_DIR="@0@/.."'.format(meson.current_build_dir()),
'-DPERL5_PLUGIN_DIR="@0@/plugins"'.format(meson.current_source_dir()),
],
link_with : gplugin_loader_tests,
dependencies : [GLIB, GOBJECT, gplugin_dep, perl_dep])
test('Perl5 Loader', e)
endif # perl5