M.Canales.es wrote: > What I can't undestart is that the book SBU values are smallest that > mine :-?
Have the SBU numbers been updated at all since 6.1 or 6.1.1? If not, those book versions still use gcc 3.4. If gcc 4's bootstrap takes a lot longer than gcc 3.4's did, then that could explain the higher SBUs when building gcc 4. Of course this won't affect other packages unless gcc 4 also compiles slower and binutils was built with gcc 3. (There was another issue with SBUs way back when the book first moved to gcc 3. IIRC gcc 2 compiled stuff faster than gcc 3, so a gcc2 distro built the static bash (or binutils, whichever it was) faster than a gcc3 distro did. And since chapter 6 used gcc 3, the SBU numbers got skewed when the user used one the "wrong" host compiler.)
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