OpenSSL Config Error

[Aneeq Abid]

 Thanks for your reply. I have already installed OpenSSL but when I install
Erlang, I find that crypto is missing. And it gives me an error that
OpenSSL might not be installed. Can you help me here?

$ erl
Erlang/OTP 17 [erts-6.0] [source] [64-bit] [smp:4:4] [async-threads:10]
[hipe] [kernel-poll:false]

Eshell V6.0  (abort with ^G)
1> crypto:start().
** exception error: undefined function crypto:start/0
2>
=ERROR REPORT==== 15-Oct-2020::23:28:36 ===
Unable to load crypto library. Failed with error:
"load_failed, Failed to load NIF library:
'/usr/local/lib/erlang/lib/crypto-3.3/priv/lib/crypto.so: undefined symbol:
HMAC_CTX_init'"
OpenSSL might not be installed on this system.

=ERROR REPORT==== 15-Oct-2020::23:28:36 ===
The on_load function for module crypto returned {error,
                                                 {load_failed,
                                                  "Failed to load NIF
library: '/usr/local/lib/erlang/lib/crypto-3.3/priv/lib/crypto.so:
undefined symbol: HMAC_CTX_init'"}}

On Fri, Oct 16, 2020 at 12:04 AM Floodeenjr, Thomas <
thomas_floodeenjr at mentor.com> wrote:

> Shared means to configure as shared libraries.
>
>
>
> *From:* Aneeq Abid <aneeqabid at gmail.com>
> *Sent:* Thursday, October 15, 2020 12:36 PM
> *To:* Floodeenjr, Thomas <thomas_floodeenjr at mentor.com>
> *Cc:* openssl-users at openssl.org
> *Subject:* Re: OpenSSL Config Error
>
>
>
> Dear Thomas,
>
>
>
> I tried different parameters and have found out that the error occurs only
> when the option "shared" is used in the command. It works fine for all
> others. Can you please explain to me what is the purpose of the shared
> parameter? And is it okay if I configure openssl without it?
>
>
>
> On Mon, Oct 5, 2020 at 7:00 PM Floodeenjr, Thomas <
> thomas_floodeenjr at mentor.com> wrote:
>
> Try removing the --openssldir=/usr/local/ssl flag. I think it is not
> needed.
>
> sudo ./config --prefix=/usr/local/ssl shared zlib
>
> -Tom
>
> From: openssl-users <openssl-users-bounces at openssl.org> On Behalf Of
> Aneeq Abid
> Sent: Monday, October 5, 2020 4:07 AM
> To: openssl-users at openssl.org
> Subject: OpenSSL Config Error
>
> Hi,
>
> I have no familiarization with OpenSSL. I am installing it as a dependency
> for installing Erlang. I am using this guide:
>
>
> https://www.howtoforge.com/tutorial/how-to-install-openssl-from-source-on-linux/
>
> Version installing is openssl-1.0.2l
>
> I am facing the following error on make [3] while configuring OpenSSL. Can
> someone please guide me through it:
>
> make[3]: Entering directory '/media/erlang/openssl-1.0.2l'
> make[4]: Entering directory '/media/erlang/openssl-1.0.2l'
> /usr/bin/ld: libcrypto.a(gost_eng.o): relocation R_X86_64_PC32 against
> symbol `stderr@@GLIBC_2.2.5' can not be used when making a shared object;
> recompile with -fPIC
> /usr/bin/ld: final link failed: Bad value
> collect2: error: ld returned 1 exit status
> Makefile.shared:169: recipe for target 'link_a.gnu' failed
> make[4]: *** [link_a.gnu] Error 1
> make[4]: Leaving directory '/media/erlang/openssl-1.0.2l'
> Makefile:357: recipe for target 'do_linux-shared' failed
> make[3]: *** [do_linux-shared] Error 2
> make[3]: Leaving directory '/media/erlang/openssl-1.0.2l'
> Makefile:310: recipe for target 'libcrypto.so.1.0.0' failed
> make[2]: *** [libcrypto.so.1.0.0] Error 2
> make[2]: Leaving directory '/media/erlang/openssl-1.0.2l'
> Makefile:109: recipe for target 'shared' failed
> make[1]: *** [shared] Error 2
> make[1]: Leaving directory '/media/erlang/openssl-1.0.2l/crypto'
> Makefile:287: recipe for target 'build_crypto' failed
> make: *** [build_crypto] Error 1
>
>
> I used the following command to configure:
>
> sudo ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared
> zlib
>
>
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