[Kernel-handbook-general] About changing the configuration before building

[Ben Hutchings]

On Fri, 2014-12-12 at 11:24 +0800, Chen Baozi wrote:
> Hi Ben,
> 
> > On Dec 12, 2014, at 11:16, Ben Hutchings <ben at decadent.org.uk> wrote:
> > 
> > On Fri, 2014-12-12 at 10:52 +0800, Chen Baozi wrote:
> >> Hi all,
> >> 
> >> According to the handbook, to change the configuration before building, one
> >> could do:
> >> 
> >> $ make -C debian/build/build_${ARCH}_${FEATURESET}_${FLAVOUR} menuconfig
> >> 
> >> And then build the packages using:
> >> 
> >> $ fakeroot make -f debian/rules.gen \
> >> 	binary-arch_${ARCH}_${FEATURESET}_${FLAVOUR}
> >> 
> >> However, it seems that what the first command is the .config under the
> >> debian/build/build_${ARCH}_${FEATURESET}_${FLAVOUR}, while the binary-arch
> >> would use the config from ${BUILD_DIR}/config.${ARCH}_${FEATURESET}_${FLAVOUR}.
> > [...]
> > 
> > The latter file is only generated and copied while the build directory
> > is being set up (setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR) targets).  Once
> > that is done (indicated by the presence of a stamp file), invoking the
> > corresponding build-arch and binary-arch targets will not cause it to be
> > copied again.
> 
> Thanks. However, it looks like only if did I edit the latter file the
> modified config can then be used in the binary-arch_* build. If I used
> the ‘menuconfig’ way I mentioned and then invoked the binary-arch target,
> the build didn’t use the .config I have just changed by ‘menuconfig’.
> 
> Anything that I might be wrong?

Please provide the full series of commands you tried.

Ben.

-- 
Ben Hutchings
Kids!  Bringing about Armageddon can be dangerous.  Do not attempt it in
your own home. - Terry Pratchett and Neil Gaiman, `Good Omens'
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