From 8d56649503787e031edd2acf83e3d9d6ce3eeacc Mon Sep 17 00:00:00 2001
From: "Christoph M. Becker" <cmbecker69@gmx.de>
Date: Thu, 12 Dec 2024 17:20:00 +0100
Subject: [PATCH] Include relevant system headers before defining fallbacks

Otherwise we may define the fallbacks, and later inclusion of the
system headers may attempt to redefine those.

Fixes GH-17112.
---
 sapi/fpm/fpm/fpm_config.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sapi/fpm/fpm/fpm_config.h b/sapi/fpm/fpm/fpm_config.h
index d34f686a6fbd1..a637326ed767a 100644
--- a/sapi/fpm/fpm/fpm_config.h
+++ b/sapi/fpm/fpm/fpm_config.h
@@ -2,6 +2,16 @@
 
 #include <php_config.h>
 
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
 /* Solaris does not have it */
 #ifndef INADDR_NONE
 # define INADDR_NONE (-1)