On Friday 10 August 2007 22:16:31 Florian Philipp wrote: > Hi! > > Is there any sensible reason why it is not possible to change cflags and > cxxflags on a per-package base like useflags? > > I think gcc's default behavior is to use the last given setting if you > specify for example -O2 and -O3 at the same time. Therefore simple > appending should be safe, shouldn't it?
CFLAGS is among the variables you can change on a per-package basis
in /etc/portage/env/$CATEGORY/$PN or in a case; ...; esac construct
in /etc/portage/bashrc, e.g.:
case "$CATEGORY/$PN" in
cat/foo)
CFLAGS="..."
;;
esac
It doesn't stack but if you want it to you can always set it to
"$CFLAGS blah"...
In the case of gcc it won't matter which -O setting you set though as it's
automatically overridden by -O2 in the tree.
--
Bo Andresen
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