From patchwork Mon Jan 11 13:48:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wangnan (F)" X-Patchwork-Id: 565844 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 583911402D9 for ; Tue, 12 Jan 2016 00:54:53 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932809AbcAKNyt (ORCPT ); Mon, 11 Jan 2016 08:54:49 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:41441 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760084AbcAKNtw (ORCPT ); Mon, 11 Jan 2016 08:49:52 -0500 Received: from 172.24.1.50 (EHLO szxeml422-hub.china.huawei.com) ([172.24.1.50]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BUI71792; Mon, 11 Jan 2016 21:49:07 +0800 (CST) Received: from linux-4hy3.site (10.107.193.248) by szxeml422-hub.china.huawei.com (10.82.67.152) with Microsoft SMTP Server id 14.3.235.1; Mon, 11 Jan 2016 21:48:57 +0800 From: Wang Nan To: CC: , , , , , "Naveen N. Rao" , Wang Nan , "Sukadev Bhattiprolu" Subject: [PATCH 09/53] perf: bpf: Fix build breakage due to libbpf Date: Mon, 11 Jan 2016 13:48:00 +0000 Message-ID: <1452520124-2073-10-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1452520124-2073-1-git-send-email-wangnan0@huawei.com> References: <1452520124-2073-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.107.193.248] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.5693B2D4.00D1, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: c0a17f7a4e7173e79a26d794e021c257 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: "Naveen N. Rao" perf build is currently (v4.4-rc5) broken on powerpc: bpf.c:28:4: error: #error __NR_bpf not defined. libbpf does not support your arch. # error __NR_bpf not defined. libbpf does not support your arch. ^ Fix this by including tools/scripts/Makefile.arch for the proper $ARCH macro. While at it, remove redundant LP64 macro definition. Also, since libbpf require $(srctree) now, detect the path of srctree like perf. Signed-off-by: Naveen N. Rao Signed-off-by: Wang Nan [Use tools/scripts/Makefile.arch] Acked-by: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Sukadev Bhattiprolu --- tools/lib/bpf/Makefile | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index 919b717..1d446a6 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -6,6 +6,12 @@ BPF_EXTRAVERSION = 1 MAKEFLAGS += --no-print-directory +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(shell pwd))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +#$(info Determined 'srctree' to be $(srctree)) +endif # Makefiles suck: This macro sets a default value of $(2) for the # variable named by $(1), unless the variable has been set by @@ -31,7 +37,8 @@ INSTALL = install DESTDIR ?= DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' -LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) +include $(srctree)/tools/scripts/Makefile.arch + ifeq ($(LP64), 1) libdir_relative = lib64 else @@ -57,13 +64,6 @@ ifndef VERBOSE VERBOSE = 0 endif -ifeq ($(srctree),) -srctree := $(patsubst %/,%,$(dir $(shell pwd))) -srctree := $(patsubst %/,%,$(dir $(srctree))) -srctree := $(patsubst %/,%,$(dir $(srctree))) -#$(info Determined 'srctree' to be $(srctree)) -endif - FEATURE_USER = .libbpf FEATURE_TESTS = libelf libelf-getphdrnum libelf-mmap bpf FEATURE_DISPLAY = libelf bpf