Re: Fix for configure error in 9.5/9.6 on macOS 11.0 Big Sur

From: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Thomas Gilligan <thomas(dot)gilligan(at)icloud(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Fix for configure error in 9.5/9.6 on macOS 11.0 Big Sur
Date: 2020-08-25 13:57:11
Message-ID: ebc2a631-17fc-fa59-15b2-7f1c40a79554@2ndquadrant.com
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On 2020-08-02 23:18, Tom Lane wrote:
> Thomas Gilligan <thomas(dot)gilligan(at)icloud(dot)com> writes:
>> Under the next version of macOS (11.0 unreleased beta 3), configuring Postgres 9.5 and 9.6 fails with
>
>>> checking test program... ok
>>> checking whether long int is 64 bits... no
>>> checking whether long long int is 64 bits... no
>>> configure: error: Cannot find a working 64-bit integer type.
>
> Hm, could we see the config.log output for this? I'm not 100% convinced
> that you've diagnosed the problem accurately, because it'd imply that
> Apple made some fundamentally incompatible changes in libc, which
> seems like stirring up trouble for nothing.

It looks like the new compiler errors out on calling undeclared
functions. Might be good to see config.log to confirm this.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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