Re: psqlodbc: HEAD fails to build with recent clang

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Alex Dunn <dunn(dot)alex(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: psqlodbc: HEAD fails to build with recent clang
Date: 2015-05-09 18:13:09
Message-ID: 20150509181309.GD30684@momjian.us
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On Thu, May 7, 2015 at 02:25:49AM +0300, Heikki Linnakangas wrote:
> On 05/06/2015 07:07 AM, Alex Dunn wrote:
> >Beginning (I think) in Mavericks, Clang has begun taking functions and
> >defining them as macros; they then conflict with declarations via
> >headers. I think this is what's happening with `strlcat` in the most
> >recent psqlodbc, since it builds fine with GCC.
> >
> >Here are the build logs with system info (errors start at L15 of 03.make):
> >https://gist.github.com/dunn/f6ed7ac29a23aa06ba65#file-03-make-L15
> >
> >Clang is: Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
>
> Hmm, I think this is because there's a typo in our misc.h header
> file (it was checking HAVE_STRLCPY instead of HAVE_STRLCAT), and
> because of the typo it always defines a prototype for strlcat(),
> even when the system provides that function. And that prototype then
> conflicts with the one from the system headers.
>
> I've pushed a fix to that, I hope it fixed the build for you.

Offlist, I didn't know you were working on ODBC --- very good.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ Everyone has their own god. +

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