Barry Smith <[email protected]> writes: > The problem is that CFLAGS can have all kind of flags having > nothing to do with optimization.
Right. Do we really need to classify and do things differently? > Could we do the following? > > Look through any provided CFLAGS (FFLAGS, CXXFLAGS) if we detect > something that looks like optimization then act as if COPTFLAGS was > set and do not set our own optimization default flag? We can also > keep support for the COPTFLAGS stuff > > We can look for -O%d , are there other things to look for? This seems > easy enough to add. -ftree-vectorize, -fast, -qhot -qsimd=auto
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