On 02/08/2007 11:47 PM, Matthew Miller wrote:
I'm working on building calc, a math package, for Extras. Upstream says:
There is a slight performance advantage with -O3. We have some
users who run very long calc computations (on the order of months of
CPU time). So even slight advantages are useful. Between your EMail
message and this one, we received a plea from one of those massive
computation calc users to keep -O3.
Given the nature of the package, this seems reasonable. Is there a
standard mechanism for overriding part of optflags like this?
Upstream also would prefer -g3 -- is there a problem with that?
Take a look at
http://fedoraproject.org/wiki/JochenSchmitt/RemoveCFlagsFromRpmOptFlag .
Maybe this method can help.
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