meson: install libraries required by plugins into libdir

The location which automake uses can not be used at the moment
because plugins built by meson lack the RUNPATH property.

Signed-off-by: Olaf Hering <olaf@aepfle.de>

modules/meson.build

@@ -169,6 +169,8 @@ if pipewire_dep.found()
         include_directories: [include_directories('audio_output'), vlc_include_dirs],
         dependencies: [libvlccore_dep, pipewire_dep],
         link_with: [vlc_libcompat],
+        install: true,
+        install_dir: libdir_path,
     )
 else
     libvlc_pipewire = disabler()
@@ -181,6 +183,8 @@ if pulse_dep.found()
         include_directories: [include_directories('audio_output'), vlc_include_dirs],
         dependencies: [libvlccore_dep, pulse_dep],
         link_with: [vlc_libcompat],
+        install: true,
+        install_dir: libdir_path,
     )
 else
     libvlc_pulse = disabler()

modules/video_output/meson.build

@@ -132,7 +132,10 @@ if xcb_dep.found()
     vlc_xcb_events_lib = library('vlc_xcb_events',
         files('xcb/events.c'),
         include_directories: [vlc_include_dirs],
-        dependencies: [xcb_dep, libvlccore_dep])
+        dependencies: [xcb_dep, libvlccore_dep],
+        install: true,
+        install_dir: libdir_path,
+        )
 
     if xcb_randr_dep.found() and xproto_dep.found()
         vlc_modules += {