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The _BASE_ENV variable is set based on the setup type, and only based on the setup type. Because of this, we have a large conditional tree in inner-python-package which makes things hard to read. Rather than conditions, it's also possible to use indirect variables. Concretely, we can use $(PKG_PYTHON_$($(PKG)_SETUP_TYPE)_ENV) instead of $($(PKG)_BASE_ENV) to dispatch to the right ENV variable. Once we do the same for all other variables that are set in the condition tree, we'll be able to remove the condition tree entirely. Because $($(PKG)_SETUP_TYPE) is lowercase (e.g. 'setuptools' or 'pep517'), while the existing _ENV variables have uppercase names (e.g. PKG_PYTHON_SETUPTOOLS_ENV), we need to convert the setup type to uppercase. Introduce the variable $(PKG)_SETUP_TYPE_UPPER for this. flit was reusing the _BASE_ENV definition from pep517, and flit-bootstrap also didn't have its own _ENV definition yet, so those have to be added. Signed-off-by: Arnout Vandecappelle <arnout@mind.be> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches