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Date: Mon, 29 Jun 2015 11:09:10 -0700
Message-ID: <CABbL6oZc8AR82SLktZssZVR5rSKT7wA83yGp-hYrHjsHVsyW7g@mail.gmail.com>
Subject: [alpine-devel] Re: openssl link problem
From: Michael Fox <415fox@gmail.com>
To: Timo Teras <timo.teras@iki.fi>
Cc: alpine-devel <alpine-devel@lists.alpinelinux.org>
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So just to clarify, adding `-lcrypto` is the correct solution?

On Mon, Jun 29, 2015 at 10:39 AM, Timo Teras <timo.teras@iki.fi> wrote:

> On Mon, 29 Jun 2015 10:12:18 -0700
> Michael Fox <415fox@gmail.com> wrote:
>
> > I encounter a problem linking with openssl:
> >
> > //lib/libssl.so.1.0.0: undefined reference to `EVP_idea_cbc'
> >
> > The symbol is provided by libcrypto and adding -lcrypto to the link
> > fixes it. The thing is that openssl already links libcrypto:
> >
> > al64:~/src/nix$ ldd //lib/libssl.so.1.0.0
> >     ldd (0x6f765b6cf000)
> >     libcrypto.so.1.0.0 => /lib/libcrypto.so.1.0.0 (0x6f765b046000)
> >     libc.musl-x86_64.so.1 => ldd (0x6f765b6cf000)
> >     libz.so.1 => /lib/libz.so.1 (0x6f765ae30000)
> >
> > So I'm out of ideas ...
>
> If you are using the symbol, you need to explicitly link against it.
> We pass --as-needed to linker by default.
>



-- 

-
Michael

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<div dir=3D"ltr">So just to clarify, adding `-lcrypto` is the correct solut=
ion?<br></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On =
Mon, Jun 29, 2015 at 10:39 AM, Timo Teras <span dir=3D"ltr">&lt;<a href=3D"=
mailto:timo.teras@iki.fi" target=3D"_blank">timo.teras@iki.fi</a>&gt;</span=
> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex"><div class=3D"HOEnZb"><div class=
=3D"h5">On Mon, 29 Jun 2015 10:12:18 -0700<br>
Michael Fox &lt;<a href=3D"mailto:415fox@gmail.com">415fox@gmail.com</a>&gt=
; wrote:<br>
<br>
&gt; I encounter a problem linking with openssl:<br>
&gt;<br>
&gt; //lib/libssl.so.1.0.0: undefined reference to `EVP_idea_cbc&#39;<br>
&gt;<br>
&gt; The symbol is provided by libcrypto and adding -lcrypto to the link<br=
>
&gt; fixes it. The thing is that openssl already links libcrypto:<br>
&gt;<br>
&gt; al64:~/src/nix$ ldd //lib/libssl.so.1.0.0<br>
&gt;=C2=A0 =C2=A0 =C2=A0ldd (0x6f765b6cf000)<br>
&gt;=C2=A0 =C2=A0 =C2=A0libcrypto.so.1.0.0 =3D&gt; /lib/libcrypto.so.1.0.0 =
(0x6f765b046000)<br>
&gt;=C2=A0 =C2=A0 =C2=A0libc.musl-x86_64.so.1 =3D&gt; ldd (0x6f765b6cf000)<=
br>
&gt;=C2=A0 =C2=A0 =C2=A0libz.so.1 =3D&gt; /lib/libz.so.1 (0x6f765ae30000)<b=
r>
&gt;<br>
&gt; So I&#39;m out of ideas ...<br>
<br>
</div></div>If you are using the symbol, you need to explicitly link agains=
t it.<br>
We pass --as-needed to linker by default.<br>
</blockquote></div><br><br clear=3D"all"><br>-- <br><div class=3D"gmail_sig=
nature"><br>-<br>Michael</div>
</div>

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