On Mon, Jan 21, 2013 at 10:56:28PM +0100, Mike Hommey wrote: > On Tue, Jan 22, 2013 at 10:52:39AM +1300, Robert O'Callahan wrote: > > Exactly what control do we have over what gets PGOed? In particular: > > > > 1) Are we able to exclude particular object files or libraries from PGO > > when we link libxul, reducing PGO memory usage for the final link? I think > > you said "yes" on IRC. > > Yes, we can disable PGO for given object files or entire subtrees > (theoretically).
NO_PROFILE_GUIDED_OPTIMIZE=1 for some files or directories should do it. Note it's now possible to inherit such configs in subdirectories instead of adding them to each and every Makefile.in in the subtree: add them in a defs.mk file in the topmost directory. Mike _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
