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boot/grub2: replace host-python3 with BR2_PYTHON3_HOST_DEPENDENCY

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Commit 86bb1b236 "boot/grub2: needs host-python3" [1] introduced a
dependency on host-python3.

Since grub does not have any specific requirements on host Python
modules, or recent host Python version, this commit replaces the
host-python3 dependency with BR2_PYTHON3_HOST_DEPENDENCY. This will
skip the host-python3 compilation if a sufficient version (3.4 or
greater at the time of this commit) is already present on host. This
will save build time.

This optimization was suggested by Peter, in [2].

Note 1: this commit was checked to ensure that grub is building with
Python 3.4.

Note 2: BR2_PYTHON3_HOST_DEPENDENCY was introduced in commit b60729784
"support/dependencies: add a check for python3" [3].

[1] 86bb1b2360
[2] https://lists.buildroot.org/pipermail/buildroot/2024-September/763967.html
[3] b60729784a

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Julien Olivain 2024-09-29 18:53:43 +02:00 committed by Peter Korsgaard
parent 29888ab35e
commit 8a71fda371
1 changed files with 4 additions and 2 deletions
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6
boot/grub2/grub2.mk
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@ -9,8 +9,10 @@ GRUB2_SITE = http://ftp.gnu.org/gnu/grub
GRUB2_SOURCE = grub-$(GRUB2_VERSION).tar.xz
GRUB2_LICENSE = GPL-3.0+
GRUB2_LICENSE_FILES = COPYING
GRUB2_DEPENDENCIES = host-bison host-flex host-gawk host-grub2 host-python3
HOST_GRUB2_DEPENDENCIES = host-bison host-flex host-gawk host-python3
GRUB2_DEPENDENCIES = host-bison host-flex host-gawk host-grub2 \
$(BR2_PYTHON3_HOST_DEPENDENCY)
HOST_GRUB2_DEPENDENCIES = host-bison host-flex host-gawk \
$(BR2_PYTHON3_HOST_DEPENDENCY)
GRUB2_INSTALL_IMAGES = YES
# CVE-2019-14865 is about a flaw in the grub2-set-bootflag tool, which