mirror of
https://github.com/godotengine/buildroot.git
synced 2026-01-06 18:09:44 +03:00
a1169c45f4
Commit 21d52e52d8de (package/pkg-utils.mk: break hardlinks in global
{TARGET, HOST}_DIR on per-package build) stopped hardlink the source and
destination when rsyncing per-package directory, on the rationale that
modifying files in-place after the rsync would also modify the original
file, and that break foo-rebuild and can cause issues with post-build
scripts.
However, what 21d52e52d8de did not envision, is that copying instead of
hard-linking has two nasty side effects:
- the size increase for the build directory increase with the number
of packages and with the depth of th dependency chains for those
packages: a (relatively small) build that was previously totalling
~13GiB in output/, now totals north of 122GiB, an almost 10-time
increase;
- the build time increases, as it takes more time to read+write files
than it takes to create a new link to a file; the same build saw an
increase of build time from 5min 10s to 7min 30s, a 45% increase.
These regressions are both serious, so revert the change; we'll come up
with a stopgap measure in follow-up commits.
This reverts commit 21d52e52d8dee0940d28b3a38551eb183be37813.
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 commit 8f1487d6fa4cde5330f73e2432c264c0bd7940c6)
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