From patchwork Tue Apr 2 13:42:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slavomir Kaslev X-Patchwork-Id: 10881719 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5D86218E8 for ; Tue, 2 Apr 2019 13:42:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4DEDF288A2 for ; Tue, 2 Apr 2019 13:42:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4226928892; Tue, 2 Apr 2019 13:42:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D61BE288AD for ; Tue, 2 Apr 2019 13:42:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731699AbfDBNms (ORCPT ); Tue, 2 Apr 2019 09:42:48 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:43569 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731640AbfDBNmp (ORCPT ); Tue, 2 Apr 2019 09:42:45 -0400 Received: by mail-wr1-f68.google.com with SMTP id k17so16700391wrx.10 for ; Tue, 02 Apr 2019 06:42:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ebx/6PKF298evGUiQpbCn8tno+rQu+UODpYT6m+zsg0=; b=dV4d5nUFxYN7mMckbPz6apYpvani/gYS5rdbvnRN+0ih0TUuEWSpV/KlFH24il2xrs gS8F5r+gIHx2C8aslKUwF+3uYwi7dN9HeL+bo+iO6fWbxjUEhoUHZ6W1MtS/BzbM3jLs BmUFg9UbqcTmVQOaaubGCcxv16artt61L/9tHpIL+FKAc9cHkbUS6aVieopvJGi+fveP fXH/HagiMhXZ5SEBULF53arMWImZJPgfa/UShQmtiS95xFznJmsl/1CKkD+PViA/Rtam TuAZZigPXOQvLMvD0xQX3TdcnS9/4JRDkjomwdYZFrbH2hLNl1K2RGTLDs74Y+PSNN8O g5gw== X-Gm-Message-State: APjAAAXh0VGWu+2FTXNpUAHSzCvqF/xHV7ur18ZKDmqcEzINpWMqbTcI Vf/zWD6RGmf3PERpI5QaAw== X-Google-Smtp-Source: APXvYqw5AYfXh+jv11DPLrB4oE2SRE6vWqZw3NMo0Y5ZZxaIQ9ugqAafJGl1/PY/VT4EjhKgShmwpg== X-Received: by 2002:adf:fc0b:: with SMTP id i11mr45923563wrr.145.1554212563326; Tue, 02 Apr 2019 06:42:43 -0700 (PDT) Received: from box.eng.vmware.com ([146.247.46.5]) by smtp.gmail.com with ESMTPSA id h84sm19207083wmf.15.2019.04.02.06.42.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Apr 2019 06:42:42 -0700 (PDT) From: Slavomir Kaslev To: rostedt@goodmis.org, linux-trace-devel@vger.kernel.org Cc: slavomir.kaslev@gmail.com Subject: [RFC PATCH v8 03/13] trace-cmd: Detect if vsockets are available Date: Tue, 2 Apr 2019 16:42:12 +0300 Message-Id: <20190402134230.30988-7-kaslevs@vmware.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190402134230.30988-1-kaslevs@vmware.com> References: <20190402134230.30988-1-kaslevs@vmware.com> MIME-Version: 1.0 Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: "Steven Rostedt (VMware)" Detect and define VSOCK if vsockets are available on the system. This macro is used to disable VM remote tracing features on older kernels. Signed-off-by: Steven Rostedt (VMware) Signed-off-by: Slavomir Kaslev --- Makefile | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Makefile b/Makefile index b780718..99e4f39 100644 --- a/Makefile +++ b/Makefile @@ -204,6 +204,13 @@ CFLAGS ?= -g -Wall CPPFLAGS ?= LDFLAGS ?= +VSOCK_DEFINED := $(shell if (echo "\#include " | $(CC) -E - >/dev/null 2>&1) ; then echo 1; else echo 0 ; fi) + +export VSOCK_DEFINED +ifeq ($(VSOCK_DEFINED), 1) +CFLAGS += -DVSOCK +endif + export CFLAGS export INCLUDES