From patchwork Wed Apr 8 18:29:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 11480629 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CE00D1744 for ; Wed, 8 Apr 2020 18:29:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B3FBA20771 for ; Wed, 8 Apr 2020 18:29:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586370575; bh=FriKuONZ12M5b/D0L9c8yhxTZED2k6LbmE10MOfOBeM=; h=From:To:Cc:Subject:Date:List-ID:From; b=YG9SokrS4Gs3wCTKMWtbkTiHsxMcCCCjgGwlaOy5pNF/klmbJn7VQ9mBZ1do7cpY/ GcRemHbii/KfyHHVtdOSRJeOKrTCSzviF6acZuz8TU7uCri6TZImxuiMDw/DIoJ0EY bnMLeOdLSfIIxp++/HowtZUAUkuBVYLzk0oR7vBo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726891AbgDHS3f (ORCPT ); Wed, 8 Apr 2020 14:29:35 -0400 Received: from conuserg-07.nifty.com ([210.131.2.74]:59669 "EHLO conuserg-07.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726774AbgDHS3f (ORCPT ); Wed, 8 Apr 2020 14:29:35 -0400 Received: from grover.flets-west.jp (softbank126125134031.bbtec.net [126.125.134.31]) (authenticated) by conuserg-07.nifty.com with ESMTP id 038ITNXF030231; Thu, 9 Apr 2020 03:29:24 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com 038ITNXF030231 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1586370564; bh=Eq4/l+T0E/L3KtndTU59bHPo7+B9ARP5Xe5aQFVzSa8=; h=From:To:Cc:Subject:Date:From; b=u43iYfBhxQUxY0c3TyU0OnIiq/vnxmqEs+tSz5naMn1nZ33SkENgeYAzEdgE29yyK a4z1zDfVyM2plahXuKDscniqYB74t5kyg8T3UwUyf2n4Cp2UDzX9q3wgOPHgh3Xer/ Ahp1mx6p+1lLHtQXs85W/GPOiQ/bIu0U7XJKZJ9JZA5ucBbbMZczWat4BJipl/uK32 gBW8oyC/57PPldXLsZsJgZ6N82vaVGyiN5lF5a1PwXdqsSgkSHvPxEiEKWgcF1fGdm HMRWkAXAuxDq06xrBkbsSdtAX+ppg5huB0AWZUKXIewwxxKU/94ORHXVZYmYF6xvCL u2ihjqwap3Svw== X-Nifty-SrcIP: [126.125.134.31] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Masahiro Yamada , linux-kernel@vger.kernel.org Subject: [PATCH] kbuild: fix comment about missing include guard detection Date: Thu, 9 Apr 2020 03:29:19 +0900 Message-Id: <20200408182919.5989-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.17.1 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org The keyword here is 'twice' to explain the trick. Signed-off-by: Masahiro Yamada --- usr/include/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/usr/include/Makefile b/usr/include/Makefile index a339ef325aa5..b568a95d1f62 100644 --- a/usr/include/Makefile +++ b/usr/include/Makefile @@ -93,7 +93,7 @@ no-header-test += asm-generic/% extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/dev/null)) -# Include the header to detect missing include guard. +# Include the header twice to detect missing include guard. quiet_cmd_hdrtest = HDRTEST $< cmd_hdrtest = \ $(CC) $(c_flags) -S -o /dev/null -x c /dev/null \