OT: Please use mail address "manabu....@gmail.com", not "manabu....@gmailc.com" when following this thread. I accidently made a mistake when I posted the first mail in this thread. -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese: http://www.sraoss.co.jp
> Tom Lane wrote: > >> a configure test only proves whether the build machine can deal >> with the flag, not whether the machine the executables will >> ultimately run on knows what the flag means. We cannot assume that >> the build and execution boxes are the same. (In general, >> AC_TRY_RUN tests are best avoided because of this.) > > I understand why that is important in general, but as a shop which > builds from source, and is fine with a separate build for each > hardware model / OS version combination, it would be great if any > optimizations which are only available if you *do* assume that the > build machine and the run machine are the same (or at lease > identical) could be enabled with some configure switch. Maybe > something like --enable-platform-specific-optimizations. > > I don't know if any such possible optimizations currently exist, I'm > just saying that if any are identified, it would be nice to have the > option of using them. > > -Kevin -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
