From 9167fe74f533668fb06da666be3933f5c938527d Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Thu, 20 Jul 2017 07:43:50 +0200
Subject: [PATCH] legacy gcc: remove "#pragma once" warning

"#pragma once" is no longer obsolete. In fact it is the preferred header
guard method.
---
 legacy/gcc/gcc/cccp.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/legacy/gcc/gcc/cccp.c b/legacy/gcc/gcc/cccp.c
index 384eac7..4cd0d7b 100644
--- a/legacy/gcc/gcc/cccp.c
+++ b/legacy/gcc/gcc/cccp.c
@@ -7111,10 +7111,6 @@
 {
   SKIP_WHITE_SPACE (buf);
   if (!strncmp ((char *) buf, "once", 4)) {
-    /* Allow #pragma once in system headers, since that's not the user's
-       fault.  */
-    if (!instack[indepth].system_header_p)
-      warning ("`#pragma once' is obsolete");
     do_once ();
   }
 
--
gitore 0.2.2