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=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 70824C433E6 for ; Mon, 28 Dec 2020 17:42:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3109522B49 for ; Mon, 28 Dec 2020 17:42:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728482AbgL1RmL (ORCPT ); Mon, 28 Dec 2020 12:42:11 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:30988 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728360AbgL1Rlz (ORCPT ); Mon, 28 Dec 2020 12:41:55 -0500 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.43/8.16.0.43) with SMTP id 0BSHYfFD013383 for ; Mon, 28 Dec 2020 09:41:14 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=NFMOwY3uUfWcWMlaIPff4XoMl403m8q0qt5mvj0rpeA=; b=Ix1IDspoCwWp01xWGSo/a/hXMd5reivTpnGGd7VuRTiu9Hy5camsA0NiHpuNc52+i3E0 YuDmC3EMmArRXIRlmqOd4snOp/6xCxwuSiy94C9wVOFwYlOmWBCoYn+YrI4/fjj4jigb wxh7m66EQ8EdUmZbmOrQwottAbqZy7rgqj8= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net with ESMTP id 35p1j5xr9p-11 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 28 Dec 2020 09:41:14 -0800 Received: from intmgw002.03.ash8.facebook.com (2620:10d:c085:208::f) by mail.thefacebook.com (2620:10d:c085:11d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 28 Dec 2020 09:41:09 -0800 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id B0D5362E2D4B; Mon, 28 Dec 2020 09:41:01 -0800 (PST) From: Song Liu To: CC: , , , , , , , , Song Liu Subject: [PATCH v6 1/4] bpftool: add Makefile target bootstrap Date: Mon, 28 Dec 2020 09:40:51 -0800 Message-ID: <20201228174054.907740-2-songliubraving@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201228174054.907740-1-songliubraving@fb.com> References: <20201228174054.907740-1-songliubraving@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2020-12-28_17:2020-12-28,2020-12-28 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 mlxlogscore=615 bulkscore=0 phishscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 adultscore=0 clxscore=1015 impostorscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012280111 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This target is used to only build the bootstrap bpftool, which will be used to generate bpf skeletons for other tools, like perf. Signed-off-by: Song Liu --- tools/bpf/bpftool/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index f897cb5fb12d0..e3292a3a0c461 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -148,6 +148,8 @@ VMLINUX_BTF_PATHS ?=3D $(if $(O),$(O)/vmlinux) \ /boot/vmlinux-$(shell uname -r) VMLINUX_BTF ?=3D $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))= ) =20 +bootstrap: $(BPFTOOL_BOOTSTRAP) + ifneq ($(VMLINUX_BTF)$(VMLINUX_H),) ifeq ($(feature-clang-bpf-co-re),1) =20 --=20 2.24.1