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In-Reply-To: <aaadaa59-ea4b-1fc0-ee8d-6fee4fc031d3@libero.it>
From: PICCORO McKAY Lenz <mckaygerhard@gmail.com>
Date: Mon, 25 Feb 2019 20:44:41 -0400
Message-ID: <CALci+FS8owCDwyy-Tr6VzR2Dszok107NTVJdcWXK69YO3kYCcw@mail.gmail.com>
Subject: Re: [alpine-user] issues with compiler & crt
To: Riccardo Mottola <riccardo.mottola@libero.it>
Cc: "Finn O'Leary" <finnoleary@inventati.org>, alpine-user@lists.alpinelinux.org
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El lun., 25 de feb. de 2019 a la(s) 18:46, Riccardo Mottola (
riccardo.mottola@libero.it) escribi=C3=B3:

> gcc8) and the gcc6 I do need to compile this.
>
> I would have expected to be able to intall two compilers.
>
that was i pointed before in the second email ...


> gcc6 itself goes, but not g++6, since apparently the two libstdcc+8 and
> libstdc++-6 cannot exist together? The former is needed for icu, shich
>
that are possible but bit difficult, as i can see in the debian rules, you
can do that (as i far guess):
compiler by default are gccX with "x" mayor of 6 ...
now the second compiler you have to build with static i guess,
and then due the system libstdc++6 and other libs installed will be used
to link the compiled older gcc (due the newer lib have support for the
older basically),
some other thing are but more complicated but are in fact possible
due i see gcc 4.X and 8 in same system in debian..

ii try to point some "how" in this mail but the rules are very very large,
divided into
many subrules.. sorry but at least i point that can be do it!

well that are in teory, due some support beetween versions are removed as i
see
in the changelog html lib in the gnu gcc page..


> is important, so, apparently one cannot have two different g++ versions
>
> I tried removing them, just as a test,  but still cannot, it seems g++6
> itself depends on libstdc++ 8, but so I entr some sort of loop.
>
> Can two versions of the compiler exist? Can gc6 be used alone, at least
> (even if having gcc8 is preferrable, since good for other packages)
>
> Riccardo
>
>
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<div dir=3D"ltr"><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail=
_attr">El lun., 25 de feb. de 2019 a la(s) 18:46, Riccardo Mottola (<a href=
=3D"mailto:riccardo.mottola@libero.it">riccardo.mottola@libero.it</a>) escr=
ibi=C3=B3:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">gcc8)=
 and the gcc6 I do need to compile this.<br>
<br>
I would have expected to be able to intall two compilers.<br></blockquote><=
div>that was i pointed before in the second email ... <br></div><div>=C2=A0=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex">
gcc6 itself goes, but not g++6, since apparently the two libstdcc+8 and <br=
>
libstdc++-6 cannot exist together? The former is needed for icu, shich <br>=
</blockquote><div>that are possible but bit difficult, as i can see in the =
debian rules, you can do that (as i far guess):<br></div><div>compiler by d=
efault are gccX with &quot;x&quot; mayor of 6 ...<br></div><div>now the sec=
ond compiler you have to build with static i guess, <br>and then due the sy=
stem libstdc++6 and other libs installed will be used <br></div><div>to lin=
k the compiled older gcc (due the newer lib have support for the older basi=
cally), <br></div><div>some other thing are but more complicated but are in=
 fact possible<br></div><div>due i see gcc 4.X and 8 in same system in debi=
an..<br><br></div><div>ii try to point some &quot;how&quot; in this mail bu=
t the rules are very very large, divided into<br></div><div>many subrules..=
 sorry but at least i point that can be do it!<br></div><div><br></div><div=
>well that are in teory, due some support beetween versions are removed as =
i see <br></div><div>in the changelog html lib in the gnu gcc page..<br></d=
iv><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
is important, so, apparently one cannot have two different g++ versions<br>
<br>
I tried removing them, just as a test,=C2=A0 but still cannot, it seems g++=
6 <br>
itself depends on libstdc++ 8, but so I entr some sort of loop.<br>
<br>
Can two versions of the compiler exist? Can gc6 be used alone, at least <br=
>
(even if having gcc8 is preferrable, since good for other packages)<br>
<br>
Riccardo<br>
<br>
<br>
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<br>
</blockquote></div></div>

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