From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | Re: pgsql: Prevent infinity and NaN in jsonb/plperl transform |
Date: | 2018-04-30 18:36:45 |
Message-ID: | 59e5787f-314e-6e5d-db5e-bcb6b9dbc25c@2ndquadrant.com |
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Thread: | |
Lists: | pgsql-committers |
On 4/30/18 13:56, Tom Lane wrote:
> So this isn't working on Windows:
>
> contrib/jsonb_plperl/jsonb_plperl.c(226): warning C4013: 'isnan' undefined; assuming extern returning int [c:\pgbuildfarm\pgbuildroot\HEAD\pgsql.build\jsonb_plperl.vcxproj]
> ...
> .\Release\jsonb_plperl\jsonb_plperl.dll : fatal error LNK1120: 1 unresolved externals [c:\pgbuildfarm\pgbuildroot\HEAD\pgsql.build\jsonb_plperl.vcxproj]
>
> The reason seems to be this kluge in plperl.h:
>
> /* stop perl headers from hijacking stdio and other stuff on Windows */
> #ifdef WIN32
> #define WIN32IO_IS_STDIO
> /*
> * isnan is defined in both the perl and mingw headers. We don't use it,
> * so this just clears up the compile warning.
> */
> #ifdef isnan
> #undef isnan
> #endif
> #endif /* WIN32 */
>
> Looks like the half-life of that hack just expired. What shall
> we do about it?
I have removed this for now. If it's really just about a compiler
warning, then we can find a different workaround later.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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