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A very interesting use-case for a kconfig-based package is to create a
custom (def)config file based on one bundled with the package itself,
like described in PR-8156:
make menuconfig
-> enable kernel, use an in-tree defconfig, save and exit
make linux-menuconfig
-> enable/disable whatever option, save and exit
make menuconfig
-> change to use a custom defconfig file, set a path, save and exit
make linux-update-config
-> should save to the new custom defconfig file
However, that is currently not possible, because the dependency chain
when saving the configuration goes back up to the (newly-set!) custom
(def)config file, which does not exist.
So, we break the dependency chain so that saving the configuration does
not depend on that file. Instead, we use a terminal rule that checks
that the configuration has indeed been done, and fails if not.
Closes #8156.
Reported-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas De Schampheleire <patrickdepinguin@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC.