From 8d8d7ed822a01664479aa8e01e3ea05a00c3d628 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@php.net>
Date: Fri, 9 Jun 2017 09:29:30 +0200
Subject: [PATCH] prevent multiple include using standard macros

---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 77e1bad5e3..80fe2a7a07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,9 @@ PHP_CANONICAL_HOST_TARGET
 
 AC_CONFIG_HEADER(main/php_config.h)
 AH_TOP([
+#ifndef PHP_CONFIG_H
+#define PHP_CONFIG_H
+
 #if defined(__GNUC__) && __GNUC__ >= 4
 # define ZEND_API __attribute__ ((visibility("default")))
 # define ZEND_DLEXPORT __attribute__ ((visibility("default")))
@@ -98,6 +101,8 @@ int zend_sprintf(char *buffer, const char *format, ...);
 #endif /* ifndef ZEND_ACCONFIG_H_NO_C_PROTOS */
 
 #undef PTHREADS
+
+#endif /* PHP_CONFIG_H */
 ])
 
 PHP_MAJOR_VERSION=7
-- 
2.50.1