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In38b798da73(package/skeleton: drop $(HOST_DIR)/usr compatibility symlink), we considered that $(HOST_DIR)/usr is a legacy symlink, and so we dropped it. During review, it was pointed out that: 1. [if] something installs in HOST_DIR/usr it's probably going to break somewhere down the line, 2. DESTDIR is empty for host builds. And PREFIX/usr would be completely crazy. However, we do have a package where DESTDIR is not empty for host packages. Indeed, for host-systemd, we do have a convoluted sequence where we configure it for the traditional /usr prefix, rather than $(HOST_DIR) for all other host packages, and we install it with DESTDIR=$(HOST_DIR). This is because systemd has to interpret path on the target, not on the host, and confusion ensues if host systemd is not configured with the same prefix as the target systemd. See commit35c11a027c(package/systemd: add host variant) for the full, in-depth explanations. This reverts commit38b798da73. This also changes the comment to note that, although legacy, the usr symlink is still required for some weird host packages. Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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