Add meson.build file to support building from the contrib source tree.

Author: rzharkov

meson.build

@@ -0,0 +1,96 @@
+# Copyright (c) 2025, Postgres Professional
+
+# Does not support the PGXS infrastructure at this time. Please, compile as part
+# of the contrib source tree.
+
+rum_sources = files(
+  'src/btree_rum.c',
+  'src/rum_arr_utils.c',
+  'src/rum_ts_utils.c',
+  'src/rumbtree.c',
+  'src/rumbulk.c',
+  'src/rumdatapage.c',
+  'src/rumentrypage.c',
+  'src/rumget.c',
+  'src/ruminsert.c',
+  'src/rumscan.c',
+  'src/rumsort.c',
+  'src/rumtsquery.c',
+  'src/rumutil.c',
+  'src/rumvacuum.c',
+  'src/rumvalidate.c',
+)
+
+if host_system == 'windows'
+  rum_sources += rc_lib_gen.process(win32ver_rc, extra_args: [
+    '--NAME', 'rum',
+    '--FILEDESC', 'rum - provides access method to work with the RUM indexes.',])
+endif
+
+rum = shared_module('rum',
+  rum_sources,
+  kwargs: contrib_mod_args,
+)
+contrib_targets += rum
+
+install_data(
+  'rum.control',
+  'rum--1.0--1.1.sql',
+  'rum--1.0.sql',
+  'rum--1.1--1.2.sql',
+  'rum--1.1.sql',
+  'rum--1.2--1.3.sql',
+  'rum--1.2.sql',
+  'rum--1.3.sql',
+  kwargs: contrib_data_args,
+)
+
+tests += {
+  'name': 'rum',
+  'sd': meson.current_source_dir(),
+  'bd': meson.current_build_dir(),
+  'regress': {
+    'sql': [
+      'security',
+      'rum',
+      'rum_validate',
+      'rum_hash',
+      'ruminv',
+      'timestamp',
+      'orderby',
+      'orderby_hash',
+      'altorder',
+      'altorder_hash',
+      'limits',
+      'int2',
+      'int4',
+      'int8',
+      'float4',
+      'float8',
+      'money',
+      'oid',
+      'time',
+      'timetz',
+      'date',
+      'interval',
+      'macaddr',
+      'inet',
+      'cidr',
+      'text',
+      'varchar',
+      'char',
+      'bytea',
+      'bit',
+      'varbit',
+      'numeric',
+      'rum_weight',
+      'expr',
+      'array',
+    ],
+  },
+  'tap': {
+    'tests': [
+      't/001_wal.pl',
+    ],
+  },
+}