Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes:
> Nikhil Sontakke wrote:
>> I was wondering why -Os is not used in place of -O2 while compiling the
>> Postgres sources with gcc.
> There's no free lunch.
In any case, this sort of choice is generally something that ought to be
applied at a distro level. If, say, Fedora or Debian chose to use -Os
uniformly across all their packages, then there might be a meaningful
amount of space saved in the aggregate. As far as I know, though, -Os
is not the preferred choice in any distro, which ought to tell you
something ...
regards, tom lane
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