sys-kernel/gentoo-sources
This wiki page is about a gentoo ebuild. Include any information about how to install it (emerge it), potential problems and how to resolve them. Be bold and improve it!
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emerge --depclean
# emerge --depclean
sys-kernel/gentoo-sources
selected: 4.4.21
protected: none
omitted: 4.4.26 emerge --depclean does not remove the kernel source if you have CONFIG_PROTECT. If you build the kernel in-tree, the kernel source will be removed but all the files created by the build process will be left. Those have to be removed manually: https://wiki.gentoo.org/wiki/Kernel/Removal
In fact, it is better to build out-of-tree with $KBUILD_OUTPUT, allowing multiple builds with different configurations.
So, if you want to keep the kernel sources of a specific linux kernel, you might want to add the package to your world file:
emerge --noreplace =gentoo-sources-versiontoprotect
emerge --ask --noreplace gentoo-sources:4.4.21See also
https://packages.gentoo.org/packages/sys-kernel/gentoo-sources
https://wiki.gentoo.org/wiki/Kernel/Overview
https://wiki.gentoo.org/wiki/Kernel/Upgrade
https://wiki.gentoo.org/wiki/Kernel/Removal