From 271cae0153382026739df5c0f23b5cd97b4907bc Mon Sep 17 00:00:00 2001
From: "yuehua.jia" <3423893+jiayuehua@users.noreply.github.com>
Date: Sat, 29 Jan 2022 15:14:07 +0800
Subject: [PATCH] pragma once not allowd (#3842)

Co-authored-by: Sophie <84560950+Sophie-Xie@users.noreply.github.com>
---
 .linters/cpp/cpplint.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.linters/cpp/cpplint.py b/.linters/cpp/cpplint.py
index 2d53e233bbb..5cc9b348eb4 100755
--- a/.linters/cpp/cpplint.py
+++ b/.linters/cpp/cpplint.py
@@ -2130,9 +2130,11 @@ def CheckForHeaderGuard(filename, clean_lines, error):
     if Search(r'//\s*NOLINT\(build/header_guard\)', i):
       return
 
-  # Allow pragma once instead of header guards
+  # notallow pragma once
   for i in raw_lines:
     if Search(r'^\s*#pragma\s+once', i):
+      error(filename, 0, 'build/header_guard', 5,
+        'Pragma once not allowed, please use ifndef Instead')
       return
 
   cppvar = GetHeaderGuardCPPVariable(filename)