diff --git a/pgsql/pc_access.c b/pgsql/pc_access.c
index b926e39..f7b80df 100644
--- a/pgsql/pc_access.c
+++ b/pgsql/pc_access.c
@@ -41,6 +41,10 @@ Datum pcpatch_size(PG_FUNCTION_ARGS);
 Datum pcpoint_size(PG_FUNCTION_ARGS);
 Datum pcpoint_pcid(PG_FUNCTION_ARGS);
 Datum pc_version(PG_FUNCTION_ARGS);
+Datum pc_pgsql_version(PG_FUNCTION_ARGS);
+Datum pc_libxml2_version(PG_FUNCTION_ARGS);
+Datum pc_libght_enable(PG_FUNCTION_ARGS);
+Datum pc_lazperf_enable(PG_FUNCTION_ARGS);
 
 /* Generic aggregation functions */
 Datum pointcloud_agg_transfn(PG_FUNCTION_ARGS);
@@ -860,6 +864,46 @@ Datum pc_version(PG_FUNCTION_ARGS)
 	PG_RETURN_TEXT_P(version_text);
 }
 
+PG_FUNCTION_INFO_V1(pc_pgsql_version);
+Datum pc_pgsql_version(PG_FUNCTION_ARGS)
+{
+	text *version_text;
+	char version[12];
+	snprintf(version, 12, "%d", PGSQL_VERSION);
+	version_text = cstring_to_text(version);
+	PG_RETURN_TEXT_P(version_text);
+}
+
+PG_FUNCTION_INFO_V1(pc_libxml2_version);
+Datum pc_libxml2_version(PG_FUNCTION_ARGS)
+{
+	text *version_text;
+	char version[64];
+	snprintf(version, 64, "%s", LIBXML2_VERSION);
+	version_text = cstring_to_text(version);
+	PG_RETURN_TEXT_P(version_text);
+}
+
+PG_FUNCTION_INFO_V1(pc_libght_enabled);
+Datum pc_libght_enabled(PG_FUNCTION_ARGS)
+{
+#ifdef HAVE_LIBGHT
+	PG_RETURN_BOOL(TRUE);
+#else
+	PG_RETURN_BOOL(FALSE);
+#endif
+}
+
+PG_FUNCTION_INFO_V1(pc_lazperf_enabled);
+Datum pc_lazperf_enabled(PG_FUNCTION_ARGS)
+{
+#ifdef HAVE_LAZPERF
+	PG_RETURN_BOOL(TRUE);
+#else
+	PG_RETURN_BOOL(FALSE);
+#endif
+}
+
 /**
 * Read a named dimension statistic from a PCPATCH
 * PC_PatchMax(patch pcpatch, dimname text) returns Numeric
diff --git a/pgsql/pointcloud.sql.in b/pgsql/pointcloud.sql.in
index a8c3d55..244af8e 100644
--- a/pgsql/pointcloud.sql.in
+++ b/pgsql/pointcloud.sql.in
@@ -56,6 +56,26 @@ CREATE OR REPLACE FUNCTION pc_lib_version()
 	RETURNS text AS 'MODULE_PATHNAME', 'pc_version'
 	LANGUAGE 'c' IMMUTABLE STRICT;
 
+-- Return the pgsql version number
+CREATE OR REPLACE FUNCTION pc_pgsql_version()
+	RETURNS text AS 'MODULE_PATHNAME', 'pc_pgsql_version'
+	LANGUAGE 'c' IMMUTABLE STRICT;
+
+-- Return the libxml2 version number
+CREATE OR REPLACE FUNCTION pc_libxml2_version()
+	RETURNS text AS 'MODULE_PATHNAME', 'pc_libxml2_version'
+	LANGUAGE 'c' IMMUTABLE STRICT;
+
+-- Return whether libght is enabled
+CREATE OR REPLACE FUNCTION pc_libght_enabled()
+	RETURNS boolean AS 'MODULE_PATHNAME', 'pc_libght_enabled'
+	LANGUAGE 'c' IMMUTABLE STRICT;
+
+-- Return whether lazperf is enabled
+CREATE OR REPLACE FUNCTION pc_lazperf_enabled()
+	RETURNS boolean AS 'MODULE_PATHNAME', 'pc_lazperf_enabled'
+	LANGUAGE 'c' IMMUTABLE STRICT;
+
 -- Return the extension version number and check sanity
 CREATE OR REPLACE FUNCTION pc_version()
 	RETURNS text AS
@@ -75,6 +95,27 @@ END;
 $$
 LANGUAGE 'plpgsql' IMMUTABLE STRICT;
 
+CREATE OR REPLACE FUNCTION pc_full_version()
+	RETURNS text AS
+$$
+DECLARE
+	pcver TEXT;
+	pgsqlver TEXT;
+	libxml2ver TEXT;
+	libghtenabled BOOLEAN;
+	lazperfenabled BOOLEAN;
+BEGIN
+	pcver := pc_version();
+	pgsqlver := pc_pgsql_version();
+	libxml2ver := pc_libxml2_version();
+	libghtenabled := pc_libght_enabled();
+	lazperfenabled := pc_lazperf_enabled();
+	RETURN 'POINTCLOUD="' || pcver || '" PGSQL="' || pgsqlver || '" LIBXML2="' || libxml2ver ||
+		'" LIBGHT enabled=' || libghtenabled || ' LAZPERF enabled=' || lazperfenabled;
+END;
+$$
+LANGUAGE 'plpgsql' IMMUTABLE STRICT;
+
 -- Upgrade pointcloud extension to latest (or specified) version.
 -- Takes care of in-development upgrades
 CREATE OR REPLACE FUNCTION pc_upgrade(to_version text DEFAULT NULL)