From 1386b029f9834d9e77a644c58fc1d50006a82e67 Mon Sep 17 00:00:00 2001
From: Peter Kokot <peterkokot@gmail.com>
Date: Tue, 9 Oct 2018 21:16:17 +0200
Subject: [PATCH] [ci skip] Update UPGRADING about Autoconf version

---
 UPGRADING.INTERNALS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index 07db1fed25c..905eb3738d5 100644
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -188,6 +188,7 @@ PHP 7.3 INTERNALS UPGRADE NOTES
   a. Unix build system changes
     - PHP_PROG_LEX, TSRM_CHECK_GCC_ARG, and LIBZEND_CPLUSPLUS_CHECKS Autoconf
       macros have been removed.
+    - Minimum Autoconf version is 2.68+ for generating the configure script.
 
   b. Windows build system changes
     - ZEND_WIN32_FORCE_INLINE doesn't affect C++ anymore. zend_always_inline is