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,URIBL_BLOCKED,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 A5695CA9EB9 for ; Sat, 26 Oct 2019 13:19:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78292222C1 for ; Sat, 26 Oct 2019 13:19:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572095956; bh=OIZ6EXwHD5c8//jk+AXuRD+N7T25MxUNW2lB0iTm3+I=; h=From:To:Cc:Subject:Date:List-ID:From; b=2cJJSGB2Fm+ccK3CL1Zb1CKLoN8+ERBzonVgnAhSaRgUuHh+rwtL9rOdBrbz8N3SB /x7Mpc0tfOgdt1x1wdDC5MDw9lvWTEBzq/KrVgQQblz/FBBPlObhPgyhCWr+Jp+Zzi d+TeSDv5KGK64izwOBLqHGL1L+pQDAdsxbyGEKCg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726892AbfJZNTP (ORCPT ); Sat, 26 Oct 2019 09:19:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:41118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726330AbfJZNTM (ORCPT ); Sat, 26 Oct 2019 09:19:12 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 648F92070B; Sat, 26 Oct 2019 13:19:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572095952; bh=OIZ6EXwHD5c8//jk+AXuRD+N7T25MxUNW2lB0iTm3+I=; h=From:To:Cc:Subject:Date:From; b=0ICES4KRgOu7rWK827qRoOmctrE7BQmBGlTeL2Na+VAjHkKnVs34uPZBy1QCVmk+x Org01q//TpfDdbVjzdbgIMNuChrFrqJRsM5qhyPK5r0U9keEXhDULVBPiSOk0uU3ll /4zoZyKegSFXgcTq9n+SDciwfMzlZ5diCZOeKYr0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Shuah Khan , Daniel Borkmann , Song Liu , Sasha Levin , netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 01/59] tools: bpf: Use !building_out_of_srctree to determine srctree Date: Sat, 26 Oct 2019 09:18:12 -0400 Message-Id: <20191026131910.3435-1-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shuah Khan [ Upstream commit 55d554f5d14071f7c2c5dbd88d0a2eb695c97d16 ] make TARGETS=bpf kselftest fails with: Makefile:127: tools/build/Makefile.include: No such file or directory When the bpf tool make is invoked from tools Makefile, srctree is cleared and the current logic check for srctree equals to empty string to determine srctree location from CURDIR. When the build in invoked from selftests/bpf Makefile, the srctree is set to "." and the same logic used for srctree equals to empty is needed to determine srctree. Check building_out_of_srctree undefined as the condition for both cases to fix "make TARGETS=bpf kselftest" build failure. Signed-off-by: Shuah Khan Signed-off-by: Daniel Borkmann Acked-by: Song Liu Link: https://lore.kernel.org/bpf/20190927011344.4695-1-skhan@linuxfoundation.org Signed-off-by: Sasha Levin --- tools/bpf/Makefile | 6 +++++- tools/lib/bpf/Makefile | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile index 53b60ad452f5d..93a84965345dc 100644 --- a/tools/bpf/Makefile +++ b/tools/bpf/Makefile @@ -12,7 +12,11 @@ INSTALL ?= install CFLAGS += -Wall -O2 CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/include/uapi -I$(srctree)/include -ifeq ($(srctree),) +# This will work when bpf is built in tools env. where srctree +# isn't set and when invoked from selftests build, where srctree +# is set to ".". building_out_of_srctree is undefined for in srctree +# builds +ifndef building_out_of_srctree srctree := $(patsubst %/,%,$(dir $(CURDIR))) srctree := $(patsubst %/,%,$(dir $(srctree))) endif diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index 3624557550a1f..5cd2786cc437c 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -7,7 +7,11 @@ BPF_EXTRAVERSION = 1 MAKEFLAGS += --no-print-directory -ifeq ($(srctree),) +# This will work when bpf is built in tools env. where srctree +# isn't set and when invoked from selftests build, where srctree +# is a ".". building_out_of_srctree is undefined for in srctree +# builds +ifndef building_out_of_srctree srctree := $(patsubst %/,%,$(dir $(CURDIR))) srctree := $(patsubst %/,%,$(dir $(srctree))) srctree := $(patsubst %/,%,$(dir $(srctree))) -- 2.20.1