From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <matthieu.dubuget@gmail.com>
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 F05907F108
	for <caml-list@sympa.inria.fr>; Sat, 28 Nov 2015 10:20:26 +0100 (CET)
IronPort-PHdr: 9a23:qM/XvB0zEfQOV97PsmDT+DRfVm0co7zxezQtwd8ZsegfLPad9pjvdHbS+e9qxAeQG96LtrQU16GP6PuocFdDyKjCmUhKSIZLWR4BhJdetC0bK+nBN3fGKuX3ZTcxBsVIWQwt1Xi6NU9IBJS2PAWK8TWM5DIfUi/yKRBybrysXNWC0oLni6vroMabSj4LrQT+SIs6FA+xowTVu5teqqpZAYF19CH0pGBVcf9d32JiKAHbtR/94sCt4MwrqHwI6Lpyv/JHBI7zeqB9Sb1DEHxyOGkw4IjvtALfZQqJ/HoVFGsMxElyDhDB/S39C5L4rjf6t+dgniWHN9D5QKwcVjGr7qMtQxjt2wkdMDts1WjLlsxxgb8TjA+ruhNy38aAZYiJKPp/c76bcc4QWGVMQu5eUiVABsW3aI5ZXLlJBvpRs4So/whGlhC5HwT5XO4=
Authentication-Results: mail3-smtp-sop.national.inria.fr; spf=None smtp.pra=matthieu.dubuget@gmail.com; spf=Pass smtp.mailfrom=matthieu.dubuget@gmail.com; spf=None smtp.helo=postmaster@mail-wm0-f53.google.com
Received-SPF: None (mail3-smtp-sop.national.inria.fr: no sender
  authenticity information available from domain of
  matthieu.dubuget@gmail.com) identity=pra;
  client-ip=74.125.82.53;
  receiver=mail3-smtp-sop.national.inria.fr;
  envelope-from="matthieu.dubuget@gmail.com";
  x-sender="matthieu.dubuget@gmail.com";
  x-conformance=sidf_compatible
Received-SPF: Pass (mail3-smtp-sop.national.inria.fr: domain of
  matthieu.dubuget@gmail.com designates 74.125.82.53 as
  permitted sender) identity=mailfrom; client-ip=74.125.82.53;
  receiver=mail3-smtp-sop.national.inria.fr;
  envelope-from="matthieu.dubuget@gmail.com";
  x-sender="matthieu.dubuget@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-wm0-f53.google.com) identity=helo;
  client-ip=74.125.82.53;
  receiver=mail3-smtp-sop.national.inria.fr;
  envelope-from="matthieu.dubuget@gmail.com";
  x-sender="postmaster@mail-wm0-f53.google.com";
  x-conformance=sidf_compatible
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0APAQCQcVlWlDVSfUpehA5vrHCHB4wcGYclPBABAQEBAQEBARABAQEBBwsLCR8wgi2CGQcRCAcBDQEbHAIDEhAPAgUWCwILAwIBAgERDAEEAQUBAwEeDQgBAR6HdgEBAhIEAZw+ggiBMT4xi0iBagSCdYFyg2UKGQQKGQ1Wg2kMGwEFDnOFU4xzgUQFlleBA4QngnKFHIIkhmwQgS8LSoQNi2M2R1A4glKBXnGFcQEBAQ
X-IPAS-Result: A0APAQCQcVlWlDVSfUpehA5vrHCHB4wcGYclPBABAQEBAQEBARABAQEBBwsLCR8wgi2CGQcRCAcBDQEbHAIDEhAPAgUWCwILAwIBAgERDAEEAQUBAwEeDQgBAR6HdgEBAhIEAZw+ggiBMT4xi0iBagSCdYFyg2UKGQQKGQ1Wg2kMGwEFDnOFU4xzgUQFlleBA4QngnKFHIIkhmwQgS8LSoQNi2M2R1A4glKBXnGFcQEBAQ
X-IronPort-AV: E=Sophos;i="5.20,355,1444687200"; 
   d="scan'208";a="155429118"
Received: from mail-wm0-f53.google.com ([74.125.82.53])
  by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/AES128-GCM-SHA256; 28 Nov 2015 10:19:56 +0100
Received: by wmec201 with SMTP id c201so81676281wme.1
        for <caml-list@inria.fr>; Sat, 28 Nov 2015 01:19:55 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=reply-to:to:from:subject:message-id:date:user-agent:mime-version
         :content-type:content-transfer-encoding;
        bh=7X3Ljr4L2/xOOtD1s5gGQQtM5rLm+ZpFZ6+8KcJ0ltk=;
        b=Y+OSucUXp2n+BapKc8+qKHmQUagRAfPAYnOEVIiNj75tb3zASCEM/f3e3z5kwskvC2
         hxkmJBcdOHYfZF7DjM28OGAlpigbD+QdJUkLlXh2W4Ky/Mlhyg+MeSxWVCFiOCbuY9Sz
         1fq0giNGvjmQz17Oyox/W4Vgm+QHqtAGf861E+0ZsaaWuc5kzj0z86gd8lugOgFUEzeY
         nHg8jJZQeLBs+I1THUw92fZilW7LFX+L/nyztnBK+NhI/H0ZtFnrGv+lea2yvrAnn4+h
         omEq6eDXIoZlgNprlJNXobEl3OdvYzTok/Z4HwW5v43cZ6yNz74UXufPtdQGwidSSZup
         GzKA==
X-Received: by 10.28.210.74 with SMTP id j71mr15132343wmg.96.1448702395767;
        Sat, 28 Nov 2015 01:19:55 -0800 (PST)
Received: from [192.168.0.14] (dubuget.fr. [88.184.200.161])
        by smtp.gmail.com with ESMTPSA id q6sm11322167wmd.8.2015.11.28.01.19.54
        for <caml-list@inria.fr>
        (version=TLSv1/SSLv3 cipher=OTHER);
        Sat, 28 Nov 2015 01:19:55 -0800 (PST)
Reply-To: matthieu.dubuget@gmail.com
To: Caml-list <caml-list@inria.fr>
From: Matthieu Dubuget <matthieu.dubuget@gmail.com>
X-Enigmail-Draft-Status: N1110
Message-ID: <565971BA.2090502@gmail.com>
Date: Sat, 28 Nov 2015 10:19:54 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.3.0
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Subject: [Caml-list] Runtime variant _pic

Hello,

with version 4.02.3 of OCaml on a 64-bits linux box, I do have to add
`-runtime-variant _pic` to `ocamlopt` arguments when generating a shared
lib (.so).

I'd like to understand why and when this option is needed, in order to
adapt my build script to use it only when needed.

Salutations


-- 
Matthieu Dubuget
Guide d’autodéfense numérique : http://guide.boum.org