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 mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sympa.inria.fr (Postfix) with ESMTPS id 6D1027EF28 for ; Fri, 26 Jun 2015 22:26:58 +0200 (CEST) Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of rich@annexia.org) identity=pra; client-ip=80.68.91.176; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="rich@annexia.org"; x-sender="rich@annexia.org"; x-conformance=sidf_compatible Received-SPF: Pass (mail2-smtp-roc.national.inria.fr: domain of rich@annexia.org designates 80.68.91.176 as permitted sender) identity=mailfrom; client-ip=80.68.91.176; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="rich@annexia.org"; x-sender="rich@annexia.org"; x-conformance=sidf_compatible; x-record-type="v=spf1" Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of postmaster@furbychan.cocan.org) identity=helo; client-ip=80.68.91.176; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="rich@annexia.org"; x-sender="postmaster@furbychan.cocan.org"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0D5EgAqtY1V/7BbRFBbgxEfNV+rAgEBAQEBAQUBgQSSe4YAAoE/TAEBAQEBAYELQQWDXQEBBDo/EAsYCRMSDwUoIYhGAc8YAQEBAQYCAR+GHD2EcYUGB4MXgRQFkSeCXQGEV4Z5gTtChluPYCaDez0xgkgBAQE X-IPAS-Result: A0D5EgAqtY1V/7BbRFBbgxEfNV+rAgEBAQEBAQUBgQSSe4YAAoE/TAEBAQEBAYELQQWDXQEBBDo/EAsYCRMSDwUoIYhGAc8YAQEBAQYCAR+GHD2EcYUGB4MXgRQFkSeCXQGEV4Z5gTtChluPYCaDez0xgkgBAQE X-IronPort-AV: E=Sophos;i="5.13,686,1427752800"; d="scan'208";a="167522306" Received: from furbychan.cocan.org ([80.68.91.176]) by mail2-smtp-roc.national.inria.fr with ESMTP/TLS/AES128-SHA; 26 Jun 2015 22:26:51 +0200 Received: from rich by furbychan.cocan.org with local (Exim 4.84) (envelope-from ) id 1Z8aD3-0003R7-KF; Fri, 26 Jun 2015 21:26:49 +0100 Date: Fri, 26 Jun 2015 21:26:49 +0100 From: "Richard W.M. Jones" To: Leonardo Laguna Ruiz Cc: caml-list@inria.fr Message-ID: <20150626202649.GD31462@annexia.org> References: <55895180.4080105@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55895180.4080105@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [Caml-list] Error when compiling 4.02.2 in centos On Tue, Jun 23, 2015 at 02:30:56PM +0200, Leonardo Laguna Ruiz wrote: > Hi, > > I'm trying to compile ocaml 4.02.2 in a computer with centos 6.6 using opam > but I get the following error message: > > > ../boot/ocamlrun ../boot/ocamlc -nostdlib -I ../boot -c -strict-sequence -w > +27+32..39 -warn-error A -safe-string -I ../utils -I ../parsing -I ../typing > -I ../bytecomp -I ../asmcomp -I ../driver -I ../toplevel objinfo.ml > ../boot/ocamlrun ../boot/ocamlc -nostdlib -I ../boot -o objinfo > ../compilerlibs/ocamlcommon.cma ../compilerlibs/ocamlbytecomp.cma > ../asmcomp/printclambda.cmo objinfo.cmo > ../boot/ocamlrun ../boot/ocamlc -nostdlib -I ../boot -c -strict-sequence -w > +27+32..39 -warn-error A -safe-string -I ../utils -I ../parsing -I ../typing > -I ../bytecomp -I ../asmcomp -I ../driver -I ../toplevel > ../utils/warnings.ml > File "../utils/warnings.ml", line 219, characters 6-7: > Warning 27: unused variable c. > File "../utils/warnings.ml", line 363, characters 20-25: > Warning 27: unused variable slist. > File "../utils/warnings.ml", line 1: > *Error: Some fatal warnings were triggered (2 occurrences)* Somehow you're using -warn-error A. Maybe opam added that? In any case I believe that the OCaml developers warn against turning every warning into an error, although I cannot find where I read that. Rich. -- Richard Jones Red Hat