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With the patchset "kconfig: turnaround into single .config" [http://lists.denx.de/pipermail/u-boot/2015-February/205490.html] U-Boot switched to a single .config file for board configuration. This allows us to use the kconfig-package infrastructure. For providing backward compatibility with older U-Boot version a user choice between the new Kconfig and the legacy build system is introduced. [Thomas: - make use of the legacy build system the default, to not break existing configurations. - add some comments in the code checking all the configuration options, in order to hopefully make it a bit clearer.] Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks> 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.