From 6ca365bff28e52dc14500df84e7b3230d4c292eb Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Fri, 30 Mar 2012 20:36:49 +0300
Subject: [PATCH] pgxs: Supply default values for BISON and FLEX variables

Otherwise, the availability of these variables depends on what
happened to be available at the time the PostgreSQL build was
configured.
---
 src/makefiles/pgxs.mk | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/makefiles/pgxs.mk b/src/makefiles/pgxs.mk
index 7dc874240a..318d5ef307 100644
--- a/src/makefiles/pgxs.mk
+++ b/src/makefiles/pgxs.mk
@@ -64,6 +64,16 @@ include $(top_builddir)/src/Makefile.global
 top_srcdir = $(top_builddir)
 srcdir = .
 VPATH =
+
+# These might be set in Makefile.global, but if they were not found
+# during the build of PostgreSQL, supply default values so that users
+# of pgxs can use the variables.
+ifeq ($(BISON),)
+BISON = bison
+endif
+ifeq ($(FLEX),)
+FLEX = flex
+endif
 endif
 
 
-- 
2.40.0