From 4bf86839832d19090d0fe360ef3fb089294f5d13 Mon Sep 17 00:00:00 2001
From: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
Date: Sat, 18 Oct 2014 21:31:36 -0400
Subject: [PATCH] Perform substitutions for #undef autoconf macros in missing.h

---
 src/include/all.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/include/all.mk b/src/include/all.mk
index 3addc593b854..6485ae022b9c 100644
--- a/src/include/all.mk
+++ b/src/include/all.mk
@@ -51,6 +51,11 @@ src/include/autoconf.sed: src/include/autoconf.h
 	's,#[\\t ]*ifndef[\\t ]*" $$2 "$$,#if !"$$3 ",g;'\
 	's,defined(" $$2 ")," $$3 ",g;"}' > $@
 
+	@grep -o '#undef [^ ]*' $< | sed 's,/#undef /,,;' | awk '{print "'\
+	's,#[\\t ]*ifdef[\\t ]*" $$2 "$$,#if 0,g;'\
+	's,#[\\t ]*ifndef[\\t ]*" $$2 "$$,#if 1,g;'\
+	's,defined(" $$2 "),0,g;"}' >> $@
+
 src/include/radius.h: | src/include/attributes.h
 
 src/include/attributes.h: share/dictionary.freeradius.internal