From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms9.migadu.com with LMTPS id 8PSlKR7PUmSwNwEASxT56A (envelope-from ) for ; Wed, 03 May 2023 23:16:14 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id QGCLKR7PUmRhcAAA9RJhRA (envelope-from ) for ; Wed, 03 May 2023 23:16:14 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 0CFC9BC32 for ; Wed, 3 May 2023 23:16:14 +0200 (CEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1puJpM-0007f8-7y; Wed, 03 May 2023 17:15:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1puJpK-0007ew-3B for guix-devel@gnu.org; Wed, 03 May 2023 17:15:54 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1puJpI-0007Lk-4L; Wed, 03 May 2023 17:15:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=GnDbjpxXV4+Ky+9pwcvdWqepMVu8TcsQXw0GmxhMVhI=; b=FIYpcZQ7lmInGoAqEjDt aJ3J/+29YQNVTG7WCbx8V79ofJDnDMv7UXd6b7EC41Gp76HAsUXEPyzjBmoYnxhy9Egn7+2K+LZRK cXIPTjzDvBxsdIDaW7OkwIv3iZMCHoO2ADt7fGOJI0aa/5HrSU8IPPFs6Pxc9PQ6E9aicSoRucW72 Jkj7vNyUc46ugnzYa3E/EdCncsqThDZ9i9MO8aNr7d83LdQG/vFtpMMSEapN8kBEFofs6mZFzyGmQ nXPbVlVtxQ6hAiwhKo6v+suFdNpk/Okj26Pa26DCsw65hZy4UQ7kTasp2BQ9tIgrYvpum030bMiXR TZtCJMv4/KCLnQ==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201] helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1puJpH-0007VA-M7; Wed, 03 May 2023 17:15:51 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Simon Tournier Cc: Andreas Enge , guix-devel@gnu.org, Lars-Dominik Braun , Julien Lepiller Subject: OCaml bootstrap References: <87ildg9jln.fsf@gmail.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Quartidi 14 =?utf-8?Q?Flor=C3=A9al?= an 231 de la =?utf-8?Q?R=C3=A9volution=2C?= jour du =?utf-8?Q?Cham=C3=A9risier?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Wed, 03 May 2023 23:15:49 +0200 In-Reply-To: <87ildg9jln.fsf@gmail.com> (Simon Tournier's message of "Fri, 28 Apr 2023 16:17:40 +0200") Message-ID: <875y99w1yy.fsf_-_@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Seal: i=1; s=key1; d=yhetil.org; t=1683148574; a=rsa-sha256; cv=none; b=V99qGKu3kHZeHA1qRU7u8He/KbUg/dWRKgMn2aIihblNzAKc/nmwj3ecTpVoFhtwW4eAht GYXZF9efHqOmAnNl0UVJPjVp4xXOkMrboHRUOV9Q3H7UMPJ/hWo8uHn+sHMx/i2ji9DhnN 7fs2hyzgG+COP3+ZFWo719os6N5IIPs+afZ8Ob7IPpJxByZX/Fd2ijmVj0hSMUdIYezs/t 656DiKDoC/bJJz2MWereXReeen8+AZkPGWPG6G6SiJLx9HE9pF4ofhnTh6k13jxLxLaN3n l5hkVv16qETKxJfJbKMrKLSMfPB7naL5GrvUbs2SvoTSw3JmFEoIEOX0vOHtAg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b=FIYpcZQ7; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1683148574; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=GnDbjpxXV4+Ky+9pwcvdWqepMVu8TcsQXw0GmxhMVhI=; b=pWq9ZxgAaPLsAnCxS3ndCvp5LSuRKSP8qzmRNGdP9AkUs+FgQ/EOUKOaLkPYa89kjCKlRC PTPBsXSjnABf7JMX+9Sfc0U54UYYMKFgLoJuPaiVjk0MDA8gUUdk38hxni0gbp1kTxeUAU CPnZFZXLZ71T1xlwG6WMf/l/OTfIkNmfC7E2tN8nM6pG2GSXIvHveRAE1HV68+6oEB44oP fTL8SlSeO5IItOt2OE09n+wIZVZdEFzAnr2L64HD871EwGbkwlnWOWKRZSfSZO24P5XdYP CZhF+Xuog39X1I59koVR/2SV/zXq6+8dvn+i5iS/vdiVGs2G7BJEYUtGhNoCnQ== X-Migadu-Scanner: scn1.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b=FIYpcZQ7; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -4.70 X-Spam-Score: -4.70 X-Migadu-Queue-Id: 0CFC9BC32 X-TUID: cTr45EeWlWjg Hello, Simon Tournier skribis: > Well, 4.07 is the version that is de-bootstrapped, i.e. bootstrapped > using =E2=80=99camlboot=E2=80=99 via Guile =E2=80=93 for details see [2]. > > However, higher versions (4.09, 4.14, 5) does not use this seed and thus > they are not de-bootstrapped. Well, I do not know the status upstream; > from my point of view, we have two options: > > a) Agree with other distros and OCaml folks to rely on a common OCaml > 4.07 bootstrapped using camlboot and then use this OCaml 4.07 as the > seed for the subsequent versions. Somehow having a way to verify the > current OCaml compiler without running again and again via camlboot. > > b) Build ourselves a chain from 4.07 bootstrapped with camlboot to > modern OCaml compilers. However, each time we modify one dependency of > camlboot, it means rebuild the complete chain. Well, bootstrapping via > camlboot can be very slow and I do not know if we have the resources > for non-x86_64 architecture. Here, the list of the emerged > dependencies: Julien, do you happen to know if there are plans to make camlboot more capable so it can be used to build newer versions of OCaml? Maybe something to discuss with Nathana=C3=ABlle Courant and Gabriel Scherer? Ludo=E2=80=99.