--- Makefile.in-or	2009-12-15 15:58:01.000000000 -0200
+++ Makefile.in	2009-12-15 15:58:30.000000000 -0200
@@ -633,7 +633,7 @@
 
 
 createlang_pgplsh.sql: createlang_pgplsh.sql.in pgplsh.la
-	.  pgplsh.la && sed "s,%filename%,$(pkglibdir)/$$dlname,g" $(srcdir)/createlang_pgplsh.sql.in >createlang_pgplsh.sql
+	. ./pgplsh.la && sed "s,%filename%,$(pkglibdir)/$$dlname,g" $(srcdir)/createlang_pgplsh.sql.in >createlang_pgplsh.sql
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: