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authorKang-Che Sung <explorer09@gmail.com>2017-01-06 17:02:03 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2017-01-06 17:03:18 +0100
commit6cd0294725cf40a3ef0bb0a1dcc7a7044a85cbf5 (patch)
treeedb6f1db0698b723ecef508c93e325ec62fd8639 /shell/hush_test/hush-glob/glob1.tests
parentb62ea34afed7d3bf60a6c8ef5a030fea52f55b10 (diff)
downloadbusybox-6cd0294725cf40a3ef0bb0a1dcc7a7044a85cbf5.tar.gz
ash: explicltly group ash options
This would makes all ash options indented inside "ash" in menuconfig. It appears that menuconfig has a limit at tracking multiple dependency lines like this (it looks like a "diamond problem" but I'm not sure if it is): ---ASH <---------- / \ ASH_OPTIMIZE_FOR_SIZE !NOMMU <-*----SH_IS_ASH <----[OR] <--ASH_INTERNAL_GLOB \ / ASH_RANDOM_SUPPORT ---BASH_IS_ASH <-- [...] The kconfig-language document [1] states that: > If a menu entry somehow depends on the previous entry, it can be > made a submenu of it. First, the previous (parent) symbol must be > part of the dependency list and then one of these two conditions > must be true: > - the child entry must become invisible, if the parent is set to 'n' [BusyBox ash used to satisfy this, but no longer does] > - the child entry must only be visible, if the parent is visible [BusyBox ash configs actually satisfy this, but because of "diamond" above this might not be easily detected] So I found out a direct workaround: by making ash options explicitly depend on !NOMMU, we can tell menuconfig that rule 2 above is satisfied without any more tracking. --------------------- / \ !NOMMU <-*-----ASH <-------- \ \ \ \ ASH_OPTIMIZE_FOR_SIZE *---SH_IS_ASH <---[OR]-[AND] <--ASH_INTERNAL_GLOB \ / ASH_RANDOM_SUPPORT --BASH_IS_ASH <- [...] So all ash options would now be indented under "ash". [1] "Documentation/kbuild/kconfig-language.txt" in Linux kernel source Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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