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commit21d52e52d8(package/pkg-utils.mk: break hardlinks in global {TARGET, HOST}_DIR on per-package build) was recently reverted, so we are back to a situation where it is possible for packages and post-build scripts to modify files in-place, and thus impact files in any arbitrary per-package directory, which may break things on rebuild for example.21d52e52d8was too big a hammer, but we can still apply the reasoning from it, to the aggregation of the final target and host directories. This solves the case for post-build scripts at least. We leave the case of inter-package modification aside, as it is a bigger issue that will need more than just copying files around. We use --hard-links, so that hard-links in the source (the PPD), are kept as new hard-links (i.e. "copy" of hard-links) in the destination. This contributes to limiting the size of target/. Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> Cc: Herve Codina <herve.codina@bootlin.com> Cc: Peter Korsgaard <peter@korsgaard.com> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Reviewed-by: Herve Codina <herve.codina@bootlin.com> (cherry picked from commit23edf9837c) 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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches