Peter Korsgaard 4599d9adce Makefile: release: make tarball reproducible
The tarball created by git archive is reproducible, but when we append the
generated manual we leak current time and the username/uid of the person
running make release:

tar tvf buildroot-2025.08-rc1.tar.gz | tail
-rwxrwxr-x root/root      5512 2025-08-11 13:22 buildroot-2025.08-rc1/utils/update-rust
drwxr-xr-x peko/peko         0 2025-08-11 17:39 buildroot-2025.08-rc1/
drwxr-xr-x peko/peko         0 2025-08-11 17:38 buildroot-2025.08-rc1/docs/
drwxr-xr-x peko/peko         0 2025-08-11 17:39 buildroot-2025.08-rc1/docs/manual/
-rw-r--r-- peko/peko      5738 2025-08-11 17:38 buildroot-2025.08-rc1/docs/manual/docbook-xsl.css
-rw-r--r-- peko/peko     19029 2025-08-11 17:38 buildroot-2025.08-rc1/docs/manual/github_hash_mongrel2.png
-rw-r--r-- peko/peko    638866 2025-08-11 17:39 buildroot-2025.08-rc1/docs/manual/manual.pdf
-rw-r--r-- peko/peko    587892 2025-08-11 17:38 buildroot-2025.08-rc1/docs/manual/manual.html
-rw-r--r-- peko/peko    393514 2025-08-11 17:39 buildroot-2025.08-rc1/docs/manual/manual.text
-rw-r--r-- peko/peko    117499 2025-08-11 17:38 buildroot-2025.08-rc1/docs/manual/logo.png

Fix that by forcing uid as root and setting mtime to the latest commit,
similar to how we do it in support/download/{git,helpers}.

Notice that we do not use --numeric-owner to match the output of git
archive, so it does rely on uid 0=root, which is very likely but not
guaranteed.

Reported-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit fa855cbe6e)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
2025-08-21 10:37:58 +02:00
2025-02-05 11:43:43 +01:00
2025-07-10 11:23:55 +02:00
2025-08-10 15:46:40 +02:00
2024-09-14 11:20:06 +02:00
2025-01-15 21:30:31 +01:00
2025-08-11 16:25:32 +02:00

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
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