From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A865C43603 for ; Wed, 18 Dec 2019 13:37:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5730F206D8 for ; Wed, 18 Dec 2019 13:37:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576676226; bh=qEFn3Qsp0g4AHYAPF3al3Ud0ly9TuCyq/v5eAU+0fv8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=Zw/9uAJt4asWqTuWvOogrwCuatv4apsSLrmh5vaAKlCX2OeXlgbKHadZ3YHMhRg2T QyOMijXHqyA8jVIPNzvLr5k/mRdVJ72DUB40/7GXcDY6Agttkdexjx35k2oD9QAo1M I6bc1AMqbiPW3612TcraGNbN82CZ9uANsY1pJAYQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726774AbfLRNhG (ORCPT ); Wed, 18 Dec 2019 08:37:06 -0500 Received: from condef-06.nifty.com ([202.248.20.71]:56418 "EHLO condef-06.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726788AbfLRNhF (ORCPT ); Wed, 18 Dec 2019 08:37:05 -0500 Received: from conssluserg-01.nifty.com ([10.126.8.80])by condef-06.nifty.com with ESMTP id xBIDWku1026202 for ; Wed, 18 Dec 2019 22:32:46 +0900 Received: from mail-ua1-f45.google.com (mail-ua1-f45.google.com [209.85.222.45]) (authenticated) by conssluserg-01.nifty.com with ESMTP id xBIDWVF5028366; Wed, 18 Dec 2019 22:32:31 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-01.nifty.com xBIDWVF5028366 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1576675951; bh=sJfQjaTus20ylQDX0Cy8AyUDwzQ/sDxSwafJAeS0dW8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ewUTghOTNbp6FUijZ0ydQ/7BMXDJn73aICVydSSmw+YQm07OeoDuT2lYBtrSdBGyi TQtz/xQYmIXHblwyPyZIHVHUF8X5Qch8E800CKOWhUDNxhlCeIUZmkW550mYcsEaJK DzmsG+gZOxw7Qmy6AoTpX7ytE7I8lMZEoCUc+ofzvmkRkfeSQIRVT5GdusgFOTEBzX K/uvPxST1wa9Cq6vfJqKALq+1Y8OZ0nYkA3Q0Mp0gzqDsIZ5DrZ2pMrcunX/L/tXij AYnTCeR6N1epefHLhLMxF5xqs45SndDivao8l+kuD+nU/qJJAeGBK4ec0ufVZZ8XRg Vk/iFDLYMGnjg== X-Nifty-SrcIP: [209.85.222.45] Received: by mail-ua1-f45.google.com with SMTP id v18so623103uaq.7; Wed, 18 Dec 2019 05:32:31 -0800 (PST) X-Gm-Message-State: APjAAAW7xBGd/4RwjgGxnbVtwt0shjdsOjAgdsDMNIRMJAyCLw+2SDs/ J/+P5dfaecSLc75i+R3xmJpCIx+StDkLgMgLjeY= X-Google-Smtp-Source: APXvYqxxjVi8o034BoDDFSeFD+Tm1JEagxh0tvPpKE6k0Q2UpqZUUow1nFHPcAEPvJZa8lDsptDoDHzRcrQ2e3+59BQ= X-Received: by 2002:ab0:6418:: with SMTP id x24mr1334768uao.40.1576675950239; Wed, 18 Dec 2019 05:32:30 -0800 (PST) MIME-Version: 1.0 References: <20191218114625.28438-1-frank-w@public-files.de> In-Reply-To: <20191218114625.28438-1-frank-w@public-files.de> From: Masahiro Yamada Date: Wed, 18 Dec 2019 22:31:53 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] kbuild: Add DTC_CPP_FLAGS To: Frank Wunderlich Cc: Linux Kbuild mailing list , Michal Marek , Linux Kernel Mailing List , Rob Herring , Frank Rowand , DTML Content-Type: text/plain; charset="UTF-8" Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org (+CC: DT maintainers) On Wed, Dec 18, 2019 at 8:55 PM Frank Wunderlich wrote: > > With this Patch we are able to change cpp-preprocessor options > (e.g. -D...) for using conditions (#ifdef) in devicetree files > and dynamically add include searchpaths I think this is questionable since DT is supposed to describe hardware. Does it depends on #ifdef or some external defines? If you want to add variations, you can add a new DTS which includes other DTS(I) files. > > Signed-off-by: Frank Wunderlich > --- > scripts/Makefile.lib | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index 3fa32f83b2d7..c722a6c7786a 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -177,7 +177,7 @@ DTC_INCLUDE := $(srctree)/scripts/dtc/include-prefixes > > dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ > $(addprefix -I,$(DTC_INCLUDE)) \ > - -undef -D__DTS__ > + -undef -D__DTS__ $(DTC_CPP_FLAGS) > > # Useful for describing the dependency of composite objects > # Usage: > -- > 2.17.1 > -- Best Regards Masahiro Yamada