From 13ac19c284e9ac6b4053503aa9ab15bceb207d9a Mon Sep 17 00:00:00 2001
From: "Philippe M. Chiasson" <gozer@mozillamessaging.com>
Date: Mon, 20 Oct 2008 12:07:23 -0400
Subject: [PATCH] Bug 454449. Teach client.mk to fail more gracefully if it
 can't locate autoconf. r=ted.mielczarek

---
 client.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client.mk b/client.mk
index 3f51e9237ef6..ba6e4579b055 100644
--- a/client.mk
+++ b/client.mk
@@ -93,6 +93,10 @@ endif
 # MacOS X 10.4 sends "no autoconf*" errors to stdout, discard those via grep
 AUTOCONF ?= $(shell which autoconf-2.13 autoconf2.13 autoconf213 2>/dev/null | grep -v '^no autoconf' | head -1)
 
+ifeq (,$(strip $(AUTOCONF)))
+$(error Couldn't find autoconf 2.13)
+endif
+
 MKDIR := mkdir
 SH := /bin/sh
 ifndef MAKE