[PGPRO-10780] Add meson.build file to support building from the contrib source

tree.

Author: rzharkov

meson.build

@@ -0,0 +1,45 @@
+# Copyright (c) 2025, Postgres Professional
+
+# Does not support the PGXS infrastructure at this time. Please, compile as part
+# of the contrib source tree.
+
+ptrack_sources = files(
+  'datapagemap.c',
+  'engine.c',
+  'ptrack.c',
+)
+
+if host_system == 'windows'
+  ptrack_sources += rc_lib_gen.process(win32ver_rc, extra_args: [
+    '--NAME', 'ptrack',
+    '--FILEDESC', 'ptrack - block-level incremental backup engine for Postgres Pro.',])
+endif
+
+ptrack = shared_module('ptrack',
+  ptrack_sources,
+  kwargs: contrib_mod_args,
+)
+contrib_targets += ptrack
+
+install_data(
+  'ptrack.control',
+  'ptrack--2.0--2.1.sql',
+  'ptrack--2.1--2.2.sql',
+  'ptrack--2.1.sql',
+  'ptrack--2.2--2.3.sql',
+  'ptrack--2.3--2.4.sql',
+  'ptrack--2.4--2.5.sql',
+  kwargs: contrib_data_args,
+)
+
+tests += {
+  'name': 'ptrack',
+  'sd': meson.current_source_dir(),
+  'bd': meson.current_build_dir(),
+  'tap': {
+    'tests': [
+      't/001_basic.pl',
+      't/002_cfs_compatibility.pl',
+    ],
+  },
+}