Re: pgsql-server/. configure configure.in

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От Tom Lane
Тема Re: pgsql-server/. configure configure.in
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Msg-id 2141.1032556861@sss.pgh.pa.us
обсуждение исходный текст
Ответ на pgsql-server/. configure configure.in  (petere@postgresql.org (Peter Eisentraut - PostgreSQL))
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petere@postgresql.org (Peter Eisentraut - PostgreSQL) writes:
> Log message:
>     Put in defense against gcc -ffast-math.

It occurs to me that it might also be a good idea to put something like
this in timestamp.c:

    #ifdef __FAST_MATH__
    #error -ffast-math is known to break this code
    #endif

to guard against people modifying the CFLAGS after running configure.
The configure test is good, because it catches the problem sooner,
but it's not foolproof.

Comments?

            regards, tom lane

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