From patchwork Thu Feb 11 22:34:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 8285401 Return-Path: X-Original-To: patchwork-linux-kbuild@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1D423BEEE5 for ; Thu, 11 Feb 2016 22:34:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 42CA920380 for ; Thu, 11 Feb 2016 22:34:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 215C9202FE for ; Thu, 11 Feb 2016 22:34:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751016AbcBKWe4 (ORCPT ); Thu, 11 Feb 2016 17:34:56 -0500 Received: from mail-ob0-f169.google.com ([209.85.214.169]:35835 "EHLO mail-ob0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750932AbcBKWez (ORCPT ); Thu, 11 Feb 2016 17:34:55 -0500 Received: by mail-ob0-f169.google.com with SMTP id xk3so96033738obc.2; Thu, 11 Feb 2016 14:34:55 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=tkmo1QVOelJ2A22LNdxGYw5fOmQ5utRw9pT9nGmMIg4=; b=bHvrB76M+xa/rkg/KuSU/xTyRyjXd7uQgCSSh9PiObHY8wT/URCs8RyNy9N9oBBjbp xaRB83KRVMCkfv7bfeID1M5qEUrKYJuQxJzYWn990lXD37l1hAukBDObuMvPC5nlA7ha 9UDW6MyGtLe6BwzwDoCYyI31uGWClcrev8Jczu9ND6UPdaQSXyMBbx6QXstqhnX5N8BK 0gD1Uo7dvTok0K38NMz0NLVR0jEYKtg1yyKiB/Q+1olssTAdIi1cod2pkX/2xccDP9Um JDGb7KmRlgcCP/868nEinpKFt646BBNPpoTw0hrk3P7NXPjBkinzfIiY/mr9V3QGOrLf cYXA== X-Gm-Message-State: AG10YOQ+eoz1MiYKdb1d8ULZV26XCOeRdVduJuCsfpxoYVUDhFxmntwd4UKZCx5tD5R4Zg== X-Received: by 10.60.134.202 with SMTP id pm10mr49021500oeb.50.1455230095340; Thu, 11 Feb 2016 14:34:55 -0800 (PST) Received: from rob-hp-laptop.herring.priv (72-48-98-129.dyn.grandenetworks.net. [72.48.98.129]) by smtp.googlemail.com with ESMTPSA id v6sm6837107oer.10.2016.02.11.14.34.54 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 11 Feb 2016 14:34:54 -0800 (PST) From: Rob Herring To: Michal Marek Cc: devicetree@vger.kernel.org, linux-kbuild@vger.kernel.org Subject: [PATCH] kbuild: Allow using host dtc instead of kernel's copy Date: Thu, 11 Feb 2016 16:34:39 -0600 Message-Id: <1455230079-26931-1-git-send-email-robh@kernel.org> X-Mailer: git-send-email 2.5.0 Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Development of dtc happens in its own upstream repository, but testing dtc changes against the kernel tree is useful. Change dtc to a variable that users can override. Signed-off-by: Rob Herring Cc: Michal Marek Cc: linux-kbuild@vger.kernel.org --- scripts/Makefile.lib | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 79e8661..ceceb53 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -262,6 +262,7 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ # DTC # --------------------------------------------------------------------------- +DTC ?= $(objtree)/scripts/dtc/dtc # Generate an assembly file to wrap the output of the device tree compiler quiet_cmd_dt_S_dtb= DTB $@ @@ -284,7 +285,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb quiet_cmd_dtc = DTC $@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ - $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \ + $(DTC) -O dtb -o $@ -b 0 \ -i $(dir $<) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)