Re: [HACKERS] Re : Solaris Performance - 64 bit puzzle

Sorry to reply to myself, but this might be useful for the archive.

On Tue, Apr 30, 2002 at 11:55:53AM -0400, Andrew Sullivan wrote:

> But now I'm wondering, is there anyone who knows of troubles with the
> profiling of programs compiled with -pg under gcc 3.0.3 64 bit on
> Solaris 7? Here's my configure line:

You can't use the -pg cflag without -mcmodel=medlow, because gcc (at
least in its 64 bit incarnation on Solaris) apparently can't produce
binaries that way: only the medlow memory model is supported for
profiling. Unhappily, this appears to cause conflicting libraries to
be invoked (I _think_ that's what's going on, anyway). I think this
means I can't build a 64-bit system with gcc for profiling. I might
be wrong (I'm sort of puzzling this out from two or three rather
cryptic entries in some man pages; and as anyone who's ever seen my
posts will attest, I'm not that bright anyway, so I may have
misunderstood something). In any case, I can't offer a definite
answer about the 64-bit qsort for now. If I have a chance to
come back to it, and discover anything, I'll post it here.

A

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