Re: Woo hoo ... a whole new set of compiler headaches!! :)

> -----Original Message-----
> From: Marc G. Fournier [mailto:scrappy(at)postgresql(dot)org]
> Sent: Friday, April 22, 2005 9:46 AM
> To: Dave Held
> Cc: pgsql-hackers(at)postgresql(dot)org
> Subject: Re: [HACKERS] Woo hoo ... a whole new set of compiler
> headaches!! :)
>
> [...]
> With GCC 4.x, there are new optimizations, and a while new set
> of "unknowns" that we're going to possibly get bug reports for
> ... and, it *is* a .0 major release for GCC,

Yeah, I agree that the first version of a major release can be a
bit hairy.

> so there are bound to be bugs in their optimizer also,

Well that's like saying there were bound to be bugs in postgres
8.0 ;>

> and I know there are some that will see "the latest and
> greatest", install it and come flying at us when its possible
> that its a bug in the newer GCC itself ...

So just make the build system detect the version number and
compile with -O0 or -O1 for gcc >= 4.0. ;> Anyway, that's what
I thought the regression tests are for. Or is the development
team unlikely to do any builds against 4.x for a while?

__
David B. Held
Software Engineer/Array Services Group
200 14th Ave. East, Sartell, MN 56377
320.534.3637 320.253.7800 800.752.8129