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=-10.1 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,USER_AGENT_GIT 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 CD14FC83003 for ; Wed, 29 Apr 2020 03:46:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C47520731 for ; Wed, 29 Apr 2020 03:46:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588132009; bh=x7CoblpSCxPpd0ONmPcYMJidhqbYPEewMirmyRo982E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FQFmEvXlYrx/lUY5aL739YQtTRJJFRZ+KF3NLw4OET54CD6WeJuklPPad9QX44//a 3AWWo1l2mBaLwHRkldjr4fAhZPIoBqZkgBY4kYNqWFyifVV9FTGNg66bgneMk6FVjk H4KXfA7mr1Ajbo8KFTVAQMxUCc2fE2pxub+6FkD0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726859AbgD2Dqt (ORCPT ); Tue, 28 Apr 2020 23:46:49 -0400 Received: from conuserg-12.nifty.com ([210.131.2.79]:30986 "EHLO conuserg-12.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726768AbgD2Dqh (ORCPT ); Tue, 28 Apr 2020 23:46:37 -0400 Received: from oscar.flets-west.jp (softbank126090202047.bbtec.net [126.90.202.47]) (authenticated) by conuserg-12.nifty.com with ESMTP id 03T3jXlm020748; Wed, 29 Apr 2020 12:45:42 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-12.nifty.com 03T3jXlm020748 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1588131943; bh=3na9AccKI7BeroKtoUmbuMBkaCVwjqRyxXqT1udBYKc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OIiIsW0Ao7sC4hxrrV2+nPmDuPqI9XVqShBrLaMAalN/IhE1jROCyc3RqWzypheYU e1gExSWth7zkv5lSD7r43rLsUnzKjhL33c+6gU6MUW2pw3Ry7y3kJeMk1Bu161S5Ri jllK2gTGv92pBMRk7yYC4hCtz174WtdoACO2yCJTvkbNFPdqxnRQX0lVRogdOxMc8m KDn5QLMgEXPc+oA0PHNnfkaFMuWhoek7oS/5C5PCjQq0yuOW8De8WpxwTvlkaRF4RR CjGemF1s7lIb4ZrEcMcQL9hzPTctSXntpScqIv9ADzVzyte5ggGCcRve9cuasv1IW4 NTSc/YAcUt/Iw== 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 11/15] samples: pidfd: build sample program for target architecture Date: Wed, 29 Apr 2020 12:45:23 +0900 Message-Id: <20200429034527.590520-12-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 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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. I also guarded the CONFIG option by 'depends on CC_CAN_LINK' because $(CC) may not provide libc. Signed-off-by: Masahiro Yamada Acked-by: Sam Ravnborg --- Changes in v2: None samples/Kconfig | 2 +- samples/pidfd/Makefile | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/samples/Kconfig b/samples/Kconfig index 831a7ecd3352..c68d391c0602 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -122,7 +122,7 @@ config SAMPLE_HIDRAW config SAMPLE_PIDFD bool "pidfd sample" - depends on HEADERS_INSTALL + depends on CC_CAN_LINK && HEADERS_INSTALL config SAMPLE_SECCOMP bool "Build seccomp sample code" diff --git a/samples/pidfd/Makefile b/samples/pidfd/Makefile index ee2979849d92..6e5b67e648c2 100644 --- a/samples/pidfd/Makefile +++ b/samples/pidfd/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -hostprogs := pidfd-metadata -always-y := $(hostprogs) -HOSTCFLAGS_pidfd-metadata.o += -I$(objtree)/usr/include -all: pidfd-metadata +usertprogs := pidfd-metadata +always-y := $(userprogs) + +userccflags += -I usr/include -- 2.25.1