meson: properly install modules, headers and add {so,}version on the lib

lib/wp/meson.build

@@ -12,8 +12,13 @@ wp_lib_headers = [
   'error.h',
   'factory.h',
   'module.h',
+  'wp.h',
 ]
 
+install_headers(wp_lib_headers,
+  subdir : join_paths('wireplumber-' + wireplumber_api_version, 'wp')
+)
+
 enums = gnome.mkenums_simple('wpenums', sources: wp_lib_headers)
 
 wp_lib = library('wireplumber-' + wireplumber_api_version,
@@ -26,6 +31,8 @@ wp_lib = library('wireplumber-' + wireplumber_api_version,
   install: true,
   include_directories: wp_lib_include_dir,
   dependencies : [gobject_dep, gmodule_dep],
+  soversion: wireplumber_so_version,
+  version: meson.project_version(),
 )
 
 gnome.generate_gir(wp_lib,

meson.build

@@ -9,6 +9,11 @@ project('wireplumber', ['c'],
 )
 
 wireplumber_api_version = '0.1'
+wireplumber_so_version = '0'
+
+modules_install_dir = join_paths(
+  get_option('libdir'), 'wireplumber-' + wireplumber_api_version
+)
 
 gobject_dep = dependency('gobject-2.0')
 gmodule_dep = dependency('gmodule-2.0')

modules/meson.build

@@ -14,7 +14,7 @@ shared_library(
   ],
   c_args : [common_c_args, '-DG_LOG_DOMAIN="m-pipewire"'],
   install : true,
-  #install_dir : modules_install_dir,
+  install_dir : modules_install_dir,
   dependencies : [wp_dep, pipewire_dep],
 )
 
@@ -25,7 +25,7 @@ shared_library(
   ],
   c_args : [common_c_args, '-DG_LOG_DOMAIN="m-pw-alsa-udev"'],
   install : true,
-  #install_dir : modules_install_dir,
+  install_dir : modules_install_dir,
   dependencies : [wp_dep, pipewire_dep],
 )
 
@@ -36,6 +36,6 @@ shared_library(
   ],
   c_args : [common_c_args, '-DG_LOG_DOMAIN="m-pw-audio-softdsp-endpoint"'],
   install : true,
-  #install_dir : modules_install_dir,
+  install_dir : modules_install_dir,
   dependencies : [wp_dep, pipewire_dep],
 )