add version constants to auth, river and wireplumber libs

lib/wireplumber/include/astal-wp.h

@@ -1,4 +0,0 @@
-
-#include "astal/wireplumber/audio.h"
-#include "astal/wireplumber/endpoint.h"
-#include "astal/wireplumber/wp.h"

lib/wireplumber/include/astal-wp.h.in

@@ -0,0 +1,14 @@
+
+#ifndef WP_H
+#define WP_H
+
+#include "astal/wireplumber/audio.h"
+#include "astal/wireplumber/endpoint.h"
+#include "astal/wireplumber/wp.h"
+
+#define ASTAL_WP_MAJOR_VERSION @MAJOR_VERSION@
+#define ASTAL_WP_MINOR_VERSION @MINOR_VERSION@
+#define ASTAL_WP_MICRO_VERSION @MICRO_VERSION@
+#define ASTAL_WP_VERSION "@VERSION@"
+
+#endif // WP_H

lib/wireplumber/include/meson.build

@@ -1,8 +1,18 @@
-astal_wireplumber_inc = include_directories('.', 'astal/wireplumber', 'private')
-astal_wireplumber_headers = files(
-  'astal-wp.h',
+
+config = configure_file(
+  input: 'astal-wp.h.in',
+  output: 'astal-wp.h',
+  configuration: {
+    'VERSION': meson.project_version(),
+    'MAJOR_VERSION': version_split[0],
+    'MINOR_VERSION': version_split[1],
+    'MICRO_VERSION': version_split[2],
+  },
 )
 
+astal_wireplumber_inc = include_directories('.', 'astal/wireplumber', 'private')
+astal_wireplumber_headers = config
+
 install_headers(astal_wireplumber_headers)
 
 subdir('astal/wireplumber')