On 2018-09-04 17:51:30 -0700, Andres Freund wrote:
> My current proposal is thus to do add a check that does
> #if defined(__clang__) && defined(__i386__) && !defined(__SSE2_MATH__)
> something-that-fails
> #endif
> in an autoconf test, and have configure complain if that
> fails. Something roughly along the lines of
> "Compiling PostgreSQL with clang, on 32bit x86, requires SSE2 support. Use -msse2 or use gcc."
Here's a patch along those lines.
Greetings,
Andres Freund