From patchwork Tue Apr 2 13:45:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slavomir Kaslev X-Patchwork-Id: 10881767 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 29C7813B5 for ; Tue, 2 Apr 2019 13:45:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 19B3C27FA5 for ; Tue, 2 Apr 2019 13:45:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0D8DD288AD; Tue, 2 Apr 2019 13:45:52 +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 AB01527FA5 for ; Tue, 2 Apr 2019 13:45:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732147AbfDBNpu (ORCPT ); Tue, 2 Apr 2019 09:45:50 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:50557 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732137AbfDBNpt (ORCPT ); Tue, 2 Apr 2019 09:45:49 -0400 Received: by mail-wm1-f66.google.com with SMTP id z11so3523021wmi.0 for ; Tue, 02 Apr 2019 06:45:48 -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=offl6v0zIzzjiDG0sOSSeMF24342htjHKhf4goJFIBKFFMR6BnzVk918XlBZPr1rr9 sEceoScNtjCqRl1Z62Y3rly+ks3wqJdmIqPjo5h7el2ShLET6QiEo1kmeUH6stTeIwGp Jof5XiR79pWQH09NOBI9yVAdv5Lf4K0oE8T1Jyo7Q5e1M57Hn/GzW1xy7HM0wJP9EQiL LX27o81AwAncWeDmJKhFOiv33n1WWcnPLSYoj6i6p+crEEl8ni2IDV0IZSDz0UuesyTf 1kSTpVB9sVjosrqD7xlJG61WnjAiNWP6kR0waQl7Hz00kbOH6dxkNwZl94q4oDKB2Ncg QVVw== X-Gm-Message-State: APjAAAV/J+sqZs/zKNLvdDnbiSaoljA2D/viBDGt9pjVbPQF427mXDiA zt2GePALst0BssDfqURqMA== X-Google-Smtp-Source: APXvYqz73Cxj3AvLoD13HTwfd511uewhXegyxkSyLCl4SfAZ5GWsXAodZ1W3cA/tnRv32YDxG99I3w== X-Received: by 2002:a1c:6341:: with SMTP id x62mr3369435wmb.11.1554212747756; Tue, 02 Apr 2019 06:45:47 -0700 (PDT) Received: from box.eng.vmware.com ([146.247.46.5]) by smtp.gmail.com with ESMTPSA id 17sm1765336wmk.39.2019.04.02.06.45.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Apr 2019 06:45:47 -0700 (PDT) From: Slavomir Kaslev To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org, slavomir.kaslev@gmail.com Subject: [RFC PATCH v9 02/11] trace-cmd: Detect if vsockets are available Date: Tue, 2 Apr 2019 16:45:31 +0300 Message-Id: <20190402134540.32321-3-kaslevs@vmware.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190402134540.32321-1-kaslevs@vmware.com> References: <20190402134540.32321-1-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