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The current logic selects Python3 for the host only if Python3 is selected for the target, otherwise it selects Python2. As Meson, the only package infrastructure using ninja, needs Python 3, it is desirable to also depend on Python 3 on the host for the ninja host package. Otherwise, if no Python interpreter is selected for the target, both Python 2 and Python 3 are build for the host, which is time consuming without any benefit. For example when building libmpdclient (and all its target and host dependencies) the actual elapsed time for is reduced from around 286s to 207s as reported by `time -p make clean all`. Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.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