Messages in this thread | | | Date | Sat, 29 Jan 2005 17:17:11 -0800 | From | "H. Peter Anvin" <> | Subject | Re: kbuild: Implicit dependence on the C compiler |
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Sam Ravnborg wrote: > > make KBUILD_NOCMDDEP=1 > will do what you want - at least I have it in my tree now. > I could not just ignore 'gcc' - but had to ignore the full commandline. > > This is due to more complex commands like: > rm -f file; $(LD) ... >
That's probably the right behaviour actually.
> Within the Makefile.lib when I check KBUILD_NOCMDDEP there is no > knowledge of the actual command being executed. And an implmentation > that just filtered out $(CC) was too ugly. > And due to the above mentioned command I could not just skip the first > word on the command line. > > > I will push my bk tree soon and it will show up in next -mm. > > It is not perfect in the sense that the last part of the build will get > redone (GEN .version and onwards). This is fixable but not worth it > right now. > > So with current implmentation executing: > > make > > make KBUILD_NOCMDDEP=1 CROSS_COMPILE=i586-pc-linux-gnu- > > will result in only a few files being rebuild - and not the whole > kernel as before.
That's fair. You got what you asked for.
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