Re: Bug fix for glibc broke freebsd build in REL_11_STABLE

Andres Freund <andres@anarazel.de>

From: Andres Freund <andres@anarazel.de>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: Andrew Gierth <andrew@tao11.riddles.org.uk>, Victor Wagner <vitus@wagner.pp.ru>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2018-09-04T22:59:29Z

Lists: pgsql-hackers

Hi,

On 2018-09-04 15:16:27 -0700, Andres Freund wrote:
> I think this is pretty clearly a C99 violation by clang (note how gcc
> automatically enables -fexcess-precision=standard in C99 mode).  I'll
> report something, but I've little hope this getting fixed quickly - and
> it'll definitely not get fixed for such old clang versions as the OP used.

https://bugs.llvm.org/show_bug.cgi?id=38833

Greetings,

Andres Freund

Commits

Error out for clang on x86-32 without SSE2 support, no -fexcess-precision.
- 978515df2278 9.3.25 landed
- 29196e13cd70 9.4.20 landed
- dbbc98a9ef67 9.5.15 landed
- e553997e3f59 9.6.11 landed
- 1b8f09dbd352 10.6 landed
- 84f14fb78852 11.0 landed
- bd1463e348fc 12.0 landed
Fix 8a934d677 for libc++ and make more include order resistant.
- 1f349aa7d9a6 11.0 cited