From patchwork Wed Apr 29 03:45:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 1278930 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.a=rsa-sha256 header.s=dec2015msa header.b=dHkVStjD; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49BkwZ6pQ9z9sSq for ; Wed, 29 Apr 2020 13:47:10 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726900AbgD2DrJ (ORCPT ); Tue, 28 Apr 2020 23:47:09 -0400 Received: from conuserg-12.nifty.com ([210.131.2.79]:30962 "EHLO conuserg-12.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726762AbgD2Dqg (ORCPT ); Tue, 28 Apr 2020 23:46:36 -0400 Received: from oscar.flets-west.jp (softbank126090202047.bbtec.net [126.90.202.47]) (authenticated) by conuserg-12.nifty.com with ESMTP id 03T3jXlk020748; Wed, 29 Apr 2020 12:45:41 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-12.nifty.com 03T3jXlk020748 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1588131941; bh=u410bS8SBcQcLE4Navba3842b4GW6OHIpnykGKU+fMA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dHkVStjDSR9ov3KqInZ32P1GYR2zFSDRaMQ0gmpe98SyO6T9eItCCj3khRkNXqTUn ZJr0v4W4be2pq/EHpD0cvI6YNXOWQnR60KYXb7qRBRdULkbTJYm0VCIEywjll6ZxXw 9BTCjm3fU2+iIh2k2lCvbKSr3177Oy6g6d4vmLuwPnKjwUe4efF46LvCM3YnfnfQ+9 ABdSqPCG0IjwiHTm7S6eO30P/10kEIXdJwtfQC4l19syAlRMpRb796oQbQtUalq8Sf Ag377QFrKTTmZ2es+UJ0jBOH6tUwbhmYo0qtemwX8UJVzjqNPdiYSfW2LixQJR258n oPIPxkLoeyZ7g== X-Nifty-SrcIP: [126.90.202.47] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: bpf , Arnd Bergmann , Sam Ravnborg , linux-kernel@vger.kernel.org, Masahiro Yamada Subject: [PATCH v2 09/15] samples: connector: build sample program for target architecture Date: Wed, 29 Apr 2020 12:45:21 +0900 Message-Id: <20200429034527.590520-10-masahiroy@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200429034527.590520-1-masahiroy@kernel.org> References: <20200429034527.590520-1-masahiroy@kernel.org> MIME-Version: 1.0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org This userspace program includes UAPI headers exported to usr/include/. 'make headers' always works for the target architecture (i.e. the same architecture as the kernel), so the sample program should be built for the target as well. Kbuild now supports 'userprogs' for that. $(CC) can always compile cn_text.o since it is the kenrel-space code, but building ucon requires libc. I guarded it by: always-$(CONFIG_CC_CAN_LINK) := $(userprogs) Signed-off-by: Masahiro Yamada Acked-by: Sam Ravnborg --- Changes in v2: None samples/connector/Makefile | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/samples/connector/Makefile b/samples/connector/Makefile index b785cbde5ffa..50cb40e09a7b 100644 --- a/samples/connector/Makefile +++ b/samples/connector/Makefile @@ -1,13 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SAMPLE_CONNECTOR) += cn_test.o -# List of programs to build -hostprogs := ucon -always-y := $(hostprogs) +userprogs := ucon +always-$(CONFIG_CC_CAN_LINK) := $(userprogs) -HOSTCFLAGS_ucon.o += -I$(objtree)/usr/include - -all: modules - -modules clean: - $(MAKE) -C ../.. M=$(CURDIR) $@ +userccflags += -I usr/include