From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail05.groups.io (mail05.groups.io [45.79.224.7]) by spool.mail.gandi.net (Postfix) with ESMTPS id C0F2EAC1A40 for ; Thu, 19 Jun 2025 16:53:06 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=C+AygYsdHDp2EXSdxtMBcqvapMIBRwPr9+iXg0AajdI=; c=relaxed/simple; d=groups.io; h=DKIM-Filter:Message-ID:Date:MIME-Version:User-Agent:Subject:To:References:From:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Resent-Date:Resent-From:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Language:Content-Type:Content-Transfer-Encoding; s=groups1; t=1750351986; v=1; x=1750611185; b=EOaTJNEDo6I43AuWj9x+0XrSbJdXupHUIehoV54NoA9TpSZYzL5xeql6SOxL9R7ekBaj40Nd idsqGVEHnLAsL7p8LqKKl+1rG406DfMT2woEMWSkImpFCzdpqlaBXKQtd2nljCQkmP5P5QpRerc HI6tDcZPm5gXVqXAEGzOP8zVqmMR1zYvAwIlBJLSG4SuwkitWCBZS67Kh+J/3J6O9C3h3FKvp/G av1w5Fj7tcAF4MOHLMnSsvMtqdKcorlMQUyfLwLJ1VmDMXtu/ff/nOIHBNfWLOQEOUmiTrDSCdP il96as9uWjhTF3MylzdBPX2rQ9JEwGfQHwhkr3X895YJA== X-Received: by 127.0.0.2 with SMTP id F6M3YY7687511x08IiTBqju0; Thu, 19 Jun 2025 09:53:05 -0700 X-Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mx.groups.io with SMTP id smtpd.web10.4691.1750351984325114203 for ; Thu, 19 Jun 2025 09:53:04 -0700 X-Received: from [10.137.194.171] (unknown [131.107.147.171]) by linux.microsoft.com (Postfix) with ESMTPSA id D46072119383; Thu, 19 Jun 2025 09:53:03 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com D46072119383 Message-ID: <0a38cea9-b9e4-4721-83f3-8192eddd14af@linux.microsoft.com> Date: Thu, 19 Jun 2025 09:53:03 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [edk2-devel] Current State of Build Reproducibility in edk2 To: devel@edk2.groups.io, michael.d.kinney@intel.com References: <7492707f-d532-4aaf-b65f-6093c77eaa81@linux.microsoft.com> From: "Oliver Smith-Denny via groups.io" In-Reply-To: Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Resent-Date: Thu, 19 Jun 2025 09:53:04 -0700 Resent-From: osde@linux.microsoft.com Reply-To: devel@edk2.groups.io,osde@linux.microsoft.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: G9TZ3wGRgWZhzVBLI1iF1Golx7686176AA= Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=groups1 header.b=EOaTJNED; dmarc=pass (policy=none) header.from=groups.io; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 45.79.224.7 as permitted sender) smtp.mailfrom=bounce@groups.io On 6/18/2025 5:21 PM, Michael D Kinney via groups.io wrote: > Should work for physical platform builds. >=20 > The OVMF and EmulatorPkg build may have some timestamps in them. >=20 > If the EmbeddedPkg VirtualRealTimeClockLib is used, then it pulls in syst= em time > in Linux builds. I have a proposal to address this one queued up to supp= ort > both windows and linux and reproducible builds when needed. >=20 > [BuildOptions] > GCC:*_*_*_CC_FLAGS =3D -DBUILD_EPOCH=3D`printenv SOURCE_DATE_EPOCH || = date +%s` >=20 > The following is a good resource on this topic and all the > elements need to be tracked so issues do not get introduced. >=20 > https://reproducible-builds.org/docs/ >=20 Thanks, let me play around with this some more. It may be that the platform I started trying this with had some similar dependencies. Thanks, Oliver -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#121425): https://edk2.groups.io/g/devel/message/121425 Mute This Topic: https://groups.io/mt/113714425/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-