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From: Marco Bambini <[email protected]>
To: ALBERTO CABELLO SÁNCHEZ <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Libpq linked statically linked to OpenSSL/LibreSSL
Date: Mon, 5 Dec 2022 17:47:07 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <PA4PR05MB896952E77CAFA3AD5CB188EBA7189@PA4PR05MB8969.eurprd05.prod.outlook.com>
References: <[email protected]>
	<PA4PR05MB8969E8C20AC8EC343149E0F8A7189@PA4PR05MB8969.eurprd05.prod.outlook.com>
	<PA4PR05MB896952E77CAFA3AD5CB188EBA7189@PA4PR05MB8969.eurprd05.prod.outlook.com>

Thanks Alberto,

This is a very promising approach.

I tried to modify the Makefile in src/interfaces/libpq/Makefile and I replaced the occurrences of -lssl and -lcrypto with:
/root/rothsoft/libressl-3.6.1/ssl/.libs/libssl.a
/root/rothsoft/libressl-3.6.1/crypto/.libs/libcrypto.a

The compilation process is OK but when I tried to execute the test app I receive a link error:
Error loading DLL: /root/rothsoft/engines/postgreSQL/Linux/postgresql/libpq.so: undefined symbol: GENERAL_NAME_free

GENERAL_NAME_free usually means that libcrypto is missed.

Any help would be really appreciated.

Please note that I also tried with:
-l:/root/rothsoft/libressl-3.6.1/ssl/.libs/libssl.a
-l:/root/rothsoft/libressl-3.6.1/crypto/.libs/libcrypto.a

Thanks,
Marco


> On 5 Dec 2022, at 14:10, ALBERTO CABELLO SÁNCHEZ <[email protected]> wrote:
> 
>>> Hi all,
>>> 
>>> After several attempts, I am asking for help with how to compile libpq with OpenSSL
>>> statically linked.
>>> I need to have libpq linked with LibreSSL, but if I could statically link OpenSSL, I think
>>> I could switch the TLS libraries at compile time.
>> 
>> redo the step which creates libpq.so appending your libssl.a location
>> (mine is /usr/lib/x86_64-linux-gnu/libssl.a) at the end.
> 
> Just wanted to correct: you also have to remove "-lssl". So I guess you can just
> substitute "-lssl" for libssl.a location in src/interfaces/libpq/Makefile (two occurrences)
> and build as usual.
> 

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