On 2017-01-29 22:37, Philip Prindeville wrote: > Hi. > > I’m working on a project where I need to be able to force certain > kernel configuration parameters from a script, to automate building > tailored kernels for performance testing, certification, etc. > > I love the way that I can use “scripts/diffconfig.sh” to save the > deltas into a file… update the cloning/checkout of master over time, > yet retain my saved overrides by doing a “cp ../my.config .config ; > make defconfig oldconfig” and always end up with a known/good > configuration. > > Alas, I can’t do the same for the target kernel in a scripted way. > > I’d like to put out a bounty for doing so. If you’re interested, > contact me via email to discuss the deliverable and the terms of > payment. > > Ideally, this would be of broad enough applicability that I’d want to > upstream this back to OpenWRT for everyone, so keep that in mind as > well. This is already implemented. You can put any kernel configuration overrides into env/kernel-config. Generating those is fairly easy too, you can use this command: make kernel_menuconfig CONFIG_TARGET=env You can also put a full kernel config in that file instead of a delta. Running make kernel_oldconfig CONFIG_TARGET=env afterwards will reduce that full config to a delta relative to the defaults that LEDE uses.
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