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The output of genrandconfig is currently very terse, which is annoying for debugging the script or generally seeing what is going on. Also the timing information added by log_write isn't very useful when the script is used stand-alone. In the new setup, (verbose) output goes to stdout and error output goes to stderr. Also the "INFO: generate the configuration" message is eliminated - it should go in the autobuild-run script. We also add an explicit message when a toolchain can't be used after the first defconfig, otherwise autobuild-run will just silently restart. Note that, since the output of make is no longer redirected to /dev/null, we get one more message on stderr that will be recorded in the autobuilder's log file: KCONFIG_SEED=0xXXXXXXXX. This approach allows us to optimise the error handling to use exceptions, where appropriate, which can be caught at the top level and converted to an error message to stderr. This, in turn, allows us to use subprocess.check_call, which eliminates a lot of conditions. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> 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. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches