Re: [COMMITTERS] pgsql: Support OpenSSL 1.1.0. - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: [COMMITTERS] pgsql: Support OpenSSL 1.1.0.
Date
Msg-id 480aaf7b-4eee-a29b-914a-bd2d40767040@iki.fi
Whole thread Raw
In response to Re: [COMMITTERS] pgsql: Support OpenSSL 1.1.0.  (Heikki Linnakangas <hlinnaka@iki.fi>)
List pgsql-hackers
On 09/15/2016 07:51 PM, Heikki Linnakangas wrote:
> Wild guess: curculio is building with LibreSSL, which claims to be
> OpenSSL >= 1.1.0, but it doesn't actually implement all the functions
> that OpenSSL 1.1.0 does.
>
> Looks like we need some more autoconf scripting to detect LibreSSL. Or
> switch to detecting the existence of individual functions, rather than
> checking the version number. That would be more autoconf-like anyway.

I downloaded LibreSSL and I'm getting similar errors on my laptop. So 
yes, that seems to be the problem. LibreSSL defines:

> /* These will change with each release of LibreSSL-portable */
> #define LIBRESSL_VERSION_NUMBER 0x2040200fL
> #define LIBRESSL_VERSION_TEXT   "LibreSSL 2.4.2"
>
> /* These will never change */
> #define OPENSSL_VERSION_NUMBER  0x20000000L
> #define OPENSSL_VERSION_TEXT    LIBRESSL_VERSION_TEXT
> #define OPENSSL_VERSION_PTEXT   " part of " OPENSSL_VERSION_TEXT

I'm going to replace the OPENSSL_VERSION_NUMBER #ifdefs with autoconf 
AC_CHECK_FUNCS checks for the actual functions we need.

- Heikki




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