From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@sympa.inria.fr Delivered-To: caml-list@sympa.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sympa.inria.fr (Postfix) with ESMTPS id DFC2980211 for ; Fri, 6 Oct 2017 15:16:18 +0200 (CEST) Authentication-Results: mail3-smtp-sop.national.inria.fr; spf=None smtp.pra=gabriel.scherer@gmail.com; spf=Pass smtp.mailfrom=gabriel.scherer@gmail.com; spf=None smtp.helo=postmaster@mail-qk0-f180.google.com Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of gabriel.scherer@gmail.com) identity=pra; client-ip=209.85.220.180; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="gabriel.scherer@gmail.com"; x-sender="gabriel.scherer@gmail.com"; x-conformance=sidf_compatible Received-SPF: Pass (mail3-smtp-sop.national.inria.fr: domain of gabriel.scherer@gmail.com designates 209.85.220.180 as permitted sender) identity=mailfrom; client-ip=209.85.220.180; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="gabriel.scherer@gmail.com"; x-sender="gabriel.scherer@gmail.com"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@mail-qk0-f180.google.com) identity=helo; client-ip=209.85.220.180; receiver=mail3-smtp-sop.national.inria.fr; envelope-from="gabriel.scherer@gmail.com"; x-sender="postmaster@mail-qk0-f180.google.com"; x-conformance=sidf_compatible IronPort-PHdr: =?us-ascii?q?9a23=3AwFJzvBU+k41VPgxGjeMO4qxfREHV8LGtZVwlr6E/?= =?us-ascii?q?grcLSJyIuqrYZxWAt8tkgFKBZ4jH8fUM07OQ6P+wHzFYqb+681k8M7V0Hycfjs?= =?us-ascii?q?sXmwFySOWkMmbcaMDQUiohAc5ZX0Vk9XzoeWJcGcL5ekGA6ibqtW1aMlzFOAF0?= =?us-ascii?q?PuX4HJLJx4Tyjrjqus7lWBhTnDe2fZ91KRy3q02R6phX0sNeLfMczxrNo3x/We?= =?us-ascii?q?lNV3hfCluXmxvz4fCZ5p9q6GwEttoxp5YGVr/1KeBwZrxCDS86NHg10+11uhTZ?= =?us-ascii?q?BV+E5mEdSXkRihoOAw/I4xzgdpz8tibgv+171W+ROsigCfgTcj2n6+9OQR7siS?= =?us-ascii?q?EIfxo4632f3sd5iaYepBO6uzR+xZTVacebLqwtULnaeIY1TGBbX8tVHxdKAo6m?= =?us-ascii?q?YpFHW+UIN/xZoo27vFAOoAGzHyGjAeruznlDgXqgjv5y6PgoDQyThF9oJNkJqn?= =?us-ascii?q?mB6YisOQ=3D=3D?= X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0BMAACxgddZf7TcVdFbHAEBBAEBCgEBF?= =?us-ascii?q?gEBAQMBAQEJAQEBg1c/bicHgzBDgTaIaY9ngXaCTYZojHoOggQKI4UYAoQZBz8?= =?us-ascii?q?YAQEBAQEBAQEBAQESAQEJCwsIJjGCMwUBHgaCPAECAgEMFx0BGxIMAwELBgMCB?= =?us-ascii?q?AcaHQICIgERAQUBChIGARISigUBAw0IEIddkRtAjAyCBQUBHIMKBYNeChknAwp?= =?us-ascii?q?Xgw4BAQgBAQEBHAIGEoMbggKBUYUThExlgmaCYQWILAyYe4IuhTCNB4JvkBtIl?= =?us-ascii?q?H0UBR+BFQ8QgUYyISVeGoRHKoIUPjaHZoFUAQEB?= X-IPAS-Result: =?us-ascii?q?A0BMAACxgddZf7TcVdFbHAEBBAEBCgEBFgEBAQMBAQEJAQE?= =?us-ascii?q?Bg1c/bicHgzBDgTaIaY9ngXaCTYZojHoOggQKI4UYAoQZBz8YAQEBAQEBAQEBA?= =?us-ascii?q?QESAQEJCwsIJjGCMwUBHgaCPAECAgEMFx0BGxIMAwELBgMCBAcaHQICIgERAQU?= =?us-ascii?q?BChIGARISigUBAw0IEIddkRtAjAyCBQUBHIMKBYNeChknAwpXgw4BAQgBAQEBH?= =?us-ascii?q?AIGEoMbggKBUYUThExlgmaCYQWILAyYe4IuhTCNB4JvkBtIlH0UBR+BFQ8QgUY?= =?us-ascii?q?yISVeGoRHKoIUPjaHZoFUAQEB?= X-IronPort-AV: E=Sophos;i="5.42,483,1500933600"; d="scan'208,217";a="240003335" Received: from mail-qk0-f180.google.com ([209.85.220.180]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/AES128-GCM-SHA256; 06 Oct 2017 15:16:17 +0200 Received: by mail-qk0-f180.google.com with SMTP id d67so14385149qkg.5 for ; Fri, 06 Oct 2017 06:16:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=7mK8Sz+sQKPq0cKhd17WvoZz51t0f9mRrmgHkXGvQ1c=; b=P1et7NFbG2ffKg8GYiBcycWSR6izBCfEJG44CZh8yew2Ezd4OQDgBRfCbxmXkyy6jG zNQ9LfMl2np3IoMfeIa1IdwfeSwYQSpuRupzDEWqTf17f0vm9KQKyDnXy/89al/Q5f0J MzcjHQadcQCmHHVEjzlg3O3t4lB2MWZuYYhud9XwGFX8doe3cW+6DLH/geJP5LbjZNmI 6HjISWuVNGeEqAK+IFEa6oE9tRQ6+wokrcqlphc034fd9Xu6MIfuQtQiGdgTFYkOXylw CmpHKWGAk3J5I067WIjB7s8+MtNRPP0gKYGmxW2HHvikAxK4zZ5XLZWgw2N8Mb+sy2sJ ewLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=7mK8Sz+sQKPq0cKhd17WvoZz51t0f9mRrmgHkXGvQ1c=; b=Ctg3wukJYyEJYHIUGVHtWZWpJVu74TiRNpuqirAURuq3v6tyPjqEeqhyY4AzdyVHuB GSb74XmHZH1fmJMt821xK+MKXIy9Bqt4acVAUnNzPGqhNTYEf2bAZw4SoBd3tFPDGP6Q fLopdhOfIfjGCW9MLHYoENmr4335X328i90mPXRKtHdwo2GH/Y3HRjyuYMJW4QBUoUqL AE2/XGGpEGMlDnIE5KOyr9I9eNAQvN/qg72ajNpgbIBuwmXtFZqQAdXKKyYXpCpYoFzm +TsK8YtcT5/s6Y1TnIgi7XRpnzFret/JzybBdUarEGkGHyKwn81XzC/yKrdnCNrkII/E zzAA== X-Gm-Message-State: AMCzsaV12UsGk1kOVsw+ojLhdoU5qolNDuHQIXhZ+k0EqzQqM9GH+B7t CwEnJfL514JaHzSjREjmh213YS1JpsW4S0d5Iv0= X-Google-Smtp-Source: AOwi7QB5wTrBa0aZbctk78kLPtfpTAFle1UaLCtf42pxFFKxseFxr1PKFJHpsjFl9cj4IdAMxTdVgLGuY0fH9sCR/hQ= X-Received: by 10.55.73.213 with SMTP id w204mr35871939qka.215.1507295774887; Fri, 06 Oct 2017 06:16:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.12.191.11 with HTTP; Fri, 6 Oct 2017 06:15:34 -0700 (PDT) In-Reply-To: <874lrcu1ax.fsf@x80.org> References: <874lrcu1ax.fsf@x80.org> From: Gabriel Scherer Date: Fri, 6 Oct 2017 15:15:34 +0200 Message-ID: To: =?UTF-8?Q?Emilio_Jes=C3=BAs_Gallego_Arias?= , =?UTF-8?Q?Christoph_H=C3=B6ger?= , OCaml Mailing List Content-Type: multipart/alternative; boundary="001a114a97d83bd629055ae0a5d4" Subject: Re: [Caml-list] visitors.ppx and ppx_metaquot --001a114a97d83bd629055ae0a5d4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I think that similar issues have been reported before, and seem to arise out of a wrong interaction between ppx_deriving and ppx_type_conv: https://github.com/ocaml-ppx/ppx_deriving/issues/149 https://github.com/janestreet/ppx_type_conv/issues/9 (Note: J=C3=A9r=C3=A9mie Dimino, which has been handling most of the ppx_ty= pe_conv maintenance, is currently in well-deserved holidays, so the safest bet for the next couple months may indeed be to pin back to older versions that work for you.) On Fri, Oct 6, 2017 at 10:29 AM, Emilio Jes=C3=BAs Gallego Arias wrote: > Dear Christoph, > > Christoph H=C3=B6ger writes: > > > Does anyone know a workaround? > > I had a similar problem [but not with visitors] that I solved by pinning > ppx_deriving to the 4.1 version. I guess you lose little by not trying. > > E. > > -- > Caml-list mailing list. Subscription management and archives: > https://sympa.inria.fr/sympa/arc/caml-list > Beginner's list: http://groups.yahoo.com/group/ocaml_beginners > Bug reports: http://caml.inria.fr/bin/caml-bugs --001a114a97d83bd629055ae0a5d4 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I think that similar issues have been reported before= , and seem to arise out of a wrong interaction between ppx_deriving and ppx= _type_conv:

=C2=A0 https://github.com/ocaml-ppx/ppx_deriving/issues/149=C2=A0 ht= tps://github.com/janestreet/ppx_type_conv/issues/9

(Note: = J=C3=A9r=C3=A9mie Dimino, which has been handling most of the ppx_type_conv= maintenance, is currently in well-deserved holidays, so the safest bet for= the next couple months may indeed be to pin back to older versions that wo= rk for you.)

On Fri, Oct 6, 2017 at 10:29 AM, Emilio Jes=C3=BAs Gallego Arias <e@x80.org> wrote:
Dear Christoph,

Christoph H=C3=B6ger <= christoph.hoeger@celeraone.com> writes:

> Does anyone know a workaround?

I had a similar problem [but not with visitors] that I solved by pin= ning
ppx_deriving to the 4.1 version. I guess you lose little by not trying.

E.

--
Caml-list mailing list.=C2=A0 Subscription management and archives:
https://sympa.inria.fr/sympa/arc/caml-list
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
Bug reports: http://caml.inria.fr/bin/caml-bugs

--001a114a97d83bd629055ae0a5d4--