failed to add some of Jan's files :(

src/pl/Makefile

+#-------------------------------------------------------------------------
+#
+# Makefile
+#    Makefile for src/pl (procedural languages)
+#
+# Copyright (c) 1994, Regents of the University of California
+#
+#
+# IDENTIFICATION
+#    $Header: /cvsroot/pgsql/src/pl/Makefile,v 1.1 1998/10/01 03:38:30 scrappy Exp $
+#
+#-------------------------------------------------------------------------
+
+SRCDIR= ..
+include $(SRCDIR)/Makefile.global
+
+
+.DEFAULT all install clean dep depend distclean:
+	$(MAKE) -C plpgsql $@
+ifeq ($(USE_TCL), true)
+	$(MAKE) -C tcl $@
+endif
+

src/pl/plpgsql/Makefile

+#-------------------------------------------------------------------------
+#
+# Makefile
+#    Makefile for src/pl/plpgsql (PostgreSQL's SQL procedural language)
+#
+# Copyright (c) 1994, Regents of the University of California
+#
+#
+# IDENTIFICATION
+#    $Header: /cvsroot/pgsql/src/pl/plpgsql/Makefile,v 1.1 1998/10/01 03:38:33 scrappy Exp $
+#
+#-------------------------------------------------------------------------
+
+SRCDIR= ../..
+include $(SRCDIR)/Makefile.global
+
+
+.DEFAULT all install clean dep depend distclean:
+	-$(MAKE) -C src $@
+

src/test/regress/input/install_plpgsql.source

+--
+-- install_plpgsql.source
+--
+--
+
+CREATE FUNCTION plpgsql_call_handler()
+   RETURNS opaque
+   AS '_LIBDIR_/plpgsql_DLSUFFIX_'
+   LANGUAGE 'c';
+
+CREATE TRUSTED PROCEDURAL LANGUAGE 'plpgsql'
+   HANDLER plpgsql_call_handler
+   LANCOMPILER 'PL/pgSQL';

src/test/regress/output/install_plpgsql.source

+QUERY: CREATE FUNCTION plpgsql_call_handler()
+   RETURNS opaque
+   AS '_LIBDIR_/plpgsql_DLSUFFIX_'
+   LANGUAGE 'c';
+QUERY: CREATE TRUSTED PROCEDURAL LANGUAGE 'plpgsql'
+   HANDLER plpgsql_call_handler
+   LANCOMPILER 'PL/pgSQL';