From c32390d84c08f2c8e2975994e64babdaacb34de4 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 5 Jun 2003 14:04:44 +0000
Subject: [PATCH] Reversed the logic to only include the <sys/select.h> header
 on systems known to really NEED it as another system that doesn't have it
 came up: very old Linux libc5-based systems (as addition to all HPUX
 versions).

The only known system at this point is AIX.
---
 include/curl/multi.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/curl/multi.h b/include/curl/multi.h
index 4d7e0d900..c5a74815b 100644
--- a/include/curl/multi.h
+++ b/include/curl/multi.h
@@ -54,10 +54,14 @@
 #if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
 #include <winsock.h>
 #else
-#ifndef __hpux
-/* HP-UX systems version 9, 10 and 11 lack this header */
+
+#ifdef _AIX
+/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
+   libc5-based Linux systems. Only include it on system that are known to
+   require it! */
 #include <sys/select.h>
 #endif
+
 #include <sys/socket.h>
 #include <sys/time.h>
 #include <sys/types.h>