From patchwork Thu Mar 26 13:56:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony PERARD X-Patchwork-Id: 11460167 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EA14B1668 for ; Thu, 26 Mar 2020 13:58:28 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C661E206E6 for ; Thu, 26 Mar 2020 13:58:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="Tt3jzhi+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C661E206E6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHT0E-0005zj-Nq; Thu, 26 Mar 2020 13:56:58 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHT0D-0005za-77 for xen-devel@lists.xenproject.org; Thu, 26 Mar 2020 13:56:57 +0000 X-Inumbo-ID: a78d3f80-6f69-11ea-87ed-12813bfff9fa Received: from esa4.hc3370-68.iphmx.com (unknown [216.71.155.144]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id a78d3f80-6f69-11ea-87ed-12813bfff9fa; Thu, 26 Mar 2020 13:56:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1585231016; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=+d/kMZGaT+rnc6Btm1R311vezXfsyqvDgmhJ6f4woN0=; b=Tt3jzhi+OlFgjbeh+R9nM4uCWVS4q2753Z6TyA1LkPuNVgdtOrsx8vvW 7etd6aywCnDPfh7jejjC7qQSGveUTkfu/4skEYmC8ergyFySz2VeoDHfL IKfKCVlnUvXzWSKmzCBu5Xu/PDF3StepqYLwnmqxC/871fJlVkrCyrk4V w=; Authentication-Results: esa4.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=anthony.perard@citrix.com; spf=Pass smtp.mailfrom=anthony.perard@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa4.hc3370-68.iphmx.com: no sender authenticity information available from domain of anthony.perard@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="anthony.perard@citrix.com"; x-sender="anthony.perard@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa4.hc3370-68.iphmx.com: domain of anthony.perard@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="anthony.perard@citrix.com"; x-sender="anthony.perard@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa4.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="anthony.perard@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: zVYcbjpDyi7TJTfNwM3l/6DPXt8ZjhWR90luU7wi3EIDTHSitNWYUKbsIQ2Fjjpp+5c+Ss88dl GGQrN6lqKXZ2f1CR8BxDuChdXbHioO9jtGr7G0FRHPiNXXWk2fnfUuHFpmB1zsOaVQBffY3e4o j9tPtxZgNCh8SsEJOEVjk24PbduuroDlnK77543MyhqBUwZbfYtvMU+lmIWiS/EvT08E0/xZFi iVbKynpaxVRtOV1rKuI8LWM4GelYzR8ONzSBf7pKRLRhcLy+y4nsYqMzRKsYAqQd0di3CkI7Uw Gsg= X-SBRS: 2.7 X-MesageID: 15338337 X-Ironport-Server: esa4.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.72,308,1580792400"; d="scan'208";a="15338337" From: Anthony PERARD To: Date: Thu, 26 Mar 2020 13:56:21 +0000 Message-ID: <20200326135621.687685-1-anthony.perard@citrix.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [Xen-devel] [XEN PATCH] build: detect compiler upgrade to rerun kconfig X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Andrew Cooper , Ian Jackson , George Dunlap , Jan Beulich , Anthony PERARD Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" This simple comment allows to detect when $(CC) changes version. Kconfig will be rerun in this case. (Rerun is forced by include/config.auto.cmd which detects changes of CC_VERSION_TEXT value). Signed-off-by: Anthony PERARD Acked-by: Andrew Cooper --- xen/Kconfig | 2 ++ xen/Makefile | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/xen/Kconfig b/xen/Kconfig index 073042f46730..4ffa2f90a267 100644 --- a/xen/Kconfig +++ b/xen/Kconfig @@ -4,6 +4,8 @@ # mainmenu "Xen/$(SRCARCH) $(XEN_FULLVERSION) Configuration" +comment "Compiler: $(CC_VERSION_TEXT)" + source "scripts/Kconfig.include" config BROKEN diff --git a/xen/Makefile b/xen/Makefile index e5f7b1ae13bc..6dadb3afc119 100644 --- a/xen/Makefile +++ b/xen/Makefile @@ -277,6 +277,10 @@ $(foreach base,arch/x86/mm/guest_walk_% \ arch/x86/mm/shadow/guest_%, \ $(foreach ext,o i s,$(call build-intermediate,$(base).$(ext)))) +# CC_VERSION_TEXT is referenced from Kconfig (so it needs export), +# and from include/config/auto.conf.cmd to detect the compiler upgrade. +export CC_VERSION_TEXT := $(shell $(CC) --version 2>/dev/null | head -n 1) + kconfig := oldconfig config menuconfig defconfig allyesconfig allnoconfig \ nconfig xconfig gconfig savedefconfig listnewconfig olddefconfig \ randconfig $(notdir $(wildcard arch/$(SRCARCH)/configs/*_defconfig))