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Re: GCC 6.2.0 : What does the undocumented -r option ?


Le lundi 07 novembre 2016 à 20:47 +0100, Marc Glisse a écrit :
> On Mon, 7 Nov 2016, Emmanuel Charpentier wrote:
> 
> > The Sage project (http://www.sagemath.org) has recently hit an
> > interesting snag : its developers using Debian testing began to
> > encounter difficulties compiling the flint package (http://groups.g
> > oogl
> > e.co.uk/group/flint-devel) with gcc 2.6.0.
> > 
> > One of us found (see https://groups.google.com/d/msg/sage-devel/Tdu
> > ebNo
> > ZuBE/sEULolL0BQAJ) that this was bound to a conflict between the
> > -pie
> > option (now default) and an undocumented -r option.
> > 
> > We would like to know what is this -r option, what it does and why
> > it
> > is undocumented.
> 
> (the mailing list you are looking for is gcc-help@gcc.gnu.org)
> 
> As can be seen in the first message of the conversation you link to
> "/usr/bin/ld: -r and -pie may not be used together"
> 
> The option -r is passed to ld,

OK. We missed that somehow, hence our questions...

Thank you very much !

--
Emmanuel Charpentier


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