--- sql/pgsql/Attic/configure.in	2001/09/21 15:44:37	1.1
+++ sql/pgsql/Attic/configure.in	2001/09/25 07:04:29	1.2
@@ -12,6 +12,9 @@ AC_ARG_WITH(pgsql_inc,[  --with-pgsql_in
 PGSQL_INC=$withval
 AC_SUBST(PGSQL_INC)
 
+if test \! -f "$PGSQL_INC/libpq-fe.h"; then
+	AC_MSG_ERROR($PGSQL_INC does not seem to be valid PgSQL includes directory)
+fi
 
 dnl Checks for programs.
 AC_PROG_INSTALL