On Fri, 2006-08-25 at 16:11 -0400, Rob Landley wrote:
> BusyBox has been doing this for months now: "build at once" is one of our
> config options. I'd like to point out that gcc eats needs several hundred
> megabytes of ram to do this and you have no useful progress indicator between
> starting and ending. But the result is definitely smaller.
It isn't that bad when you're only building a few files at a time -- I
wouldn't suggest doing it for the whole kernel.
And you get a nice progress indicator at the moment -- a new warning
about global register variables every time it eats a new file, due to
GCC PR27899 :)
> We also tell the linker "--sort-common --gc-sections" which may or may not
> apply here...
We want --gc-sections (which requires -ffunction-sections
-fdata-sections to be useful) but that's a separate issue. We were doing
it a long time ago for the FR-V kernel; Marcelo has been looking at it
recently for other architectures.
--
dwmw2
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