From 04182c13612e4c41ba42f4778840f4a8f5c02da9 Mon Sep 17 00:00:00 2001
From: Sascha Schumann <sas@php.net>
Date: Mon, 31 Jul 2000 13:44:06 +0000
Subject: Add note about software requirements

---
 README.SELF-CONTAINED-EXTENSIONS | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.SELF-CONTAINED-EXTENSIONS b/README.SELF-CONTAINED-EXTENSIONS
index 2010d56d9d..1f2e9da770 100644
--- a/README.SELF-CONTAINED-EXTENSIONS
+++ b/README.SELF-CONTAINED-EXTENSIONS
@@ -14,6 +14,19 @@ HOW TO CREATE A SELF-CONTAINED PHP EXTENSION
   We will describe now how to create these and how to put things
   together.
 
+PREPARING YOUR SYSTEM
+
+  While the result will run on any system, a developer's setup needs these
+  tools:
+
+    GNU autoconf
+    GNU automake
+    GNU libtool
+    GNU m4
+
+  All of these are available from 
+
+    ftp://ftp.gnu.org/pub/gnu/
 
 CONVERTING AN EXISTING EXTENSION
 
-- 
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