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| author | Dave Jones <davej@redhat.com> | 2012-01-13 15:42:52 -0500 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2012-01-13 15:42:52 -0500 |
| commit | ac34e0aab16d4ec451547619aab6028f90d719c7 (patch) | |
| tree | 5fdef1eca80f19303d29f27e399081a10a3140c9 | |
| parent | f6c1dacd41926df0b2d688a01c5f8c8244cd85ab (diff) | |
| download | kernel-ac34e0aab16d4ec451547619aab6028f90d719c7.tar.gz kernel-ac34e0aab16d4ec451547619aab6028f90d719c7.tar.xz kernel-ac34e0aab16d4ec451547619aab6028f90d719c7.zip | |
document inheritance/heirarchy of config generation
| -rw-r--r-- | README.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/README.txt b/README.txt index 482f8ea5b..6195bb56d 100644 --- a/README.txt +++ b/README.txt @@ -34,13 +34,28 @@ Instead of having to maintain a config file for every arch variant we build on, the kernel spec uses a nested system of configs. At the top level, is config-generic. Add options here that should be present in every possible config on all architectures. + Beneath this are per-arch overrides. For example config-x86-generic add additional x86 specific options, and also _override_ any options that were set in config-generic. + +The heirarchy looks like this.. + + config-generic + | + config-x86-generic + | | + config-x86-32-generic config-x86-64-generic + +An option set in a lower level will override the same option set in one +of the higher levels. + + There exist two additional overrides, config-debug, and config-nodebug, which override -generic, and the per-arch overrides. It is documented further below. + debug options. -------------- This is a little complicated, as the purpose & meaning of this changes |