Allow BSD yacc and bison to compile pl code.

diff --git a/src/pl/plpgsql/src/gram.y b/src/pl/plpgsql/src/gram.y
index d9202c97c3c7592bdf5e9e5fe450d7efea92f1d1..67bb91a9316774b196a682777ddf7cd40275bbc1 100644 (file)
--- a/src/pl/plpgsql/src/gram.y
+++ b/src/pl/plpgsql/src/gram.y
@@ -40,7 +40,9 @@
 #include "string.h"
 #include "plpgsql.h"
 
-#include "pl_scan.c"
+#ifdef YYBISON
+#include "pl_scan.c" /* GNU bison wants it here */
+#endif
 
 static PLpgSQL_expr    *read_sqlstmt(int until, char *s, char *sqlstart);
 static PLpgSQL_stmt    *make_select_stmt(void);
@@ -1080,6 +1082,11 @@ lno              :
 
 %%
 
+#ifndef YYBISON
+#include "pl_scan.c" /* BSD yacc wants it here */
+#endif
+
+
 PLpgSQL_expr *
 plpgsql_read_expression (int until, char *s)
 {