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Since commitf71a621d91, we are using the SED variable in the main Makefile. However, this variable is only defined in package/Makefile.in, which gets included only when a configuration is defined. This means that, if you do: $ make menuconfig savedefconfig without a configuration defined, it fails with: /bin/bash: /BR2_DEFCONFIG=/d: No such file or directory Makefile:898: recipe for target 'savedefconfig' failed make[1]: *** [savedefconfig] Error 127 This issue affects users of the "buildroot-submodule" project, which does menuconfig+savedefconfig automatically. They worked around this issue in commitd12676b608, but really "make menuconfig savedefconfig" should work out of the box. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.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. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches