Re: [Buildroot] [PATCH 1/1] boot/grub2: needs host-python3

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Julien" == Julien Olivain <ju.o@free.fr> writes:

 > When the build host does not have a Python interpreter installed,
 > host-grub2 is failing to configure due to this missing interpreter.
 > Note that host-grub2 is the first package to fail because it is a
 > dependency of grub2. The grub2 target package has the same dependency
 > requirement.

 > The issue can be quickly reproduced on a host without Python with the
 > commands:

 >     cat <<EOF >.config
 >     BR2_aarch64=y
 >     BR2_TARGET_GRUB2=y
 >     BR2_TOOLCHAIN_EXTERNAL=y
 >     EOF
 >     make olddefconfig
 >     make grub2

 > grub2 autotools configure.ac search for a Python interpreter since
 > upstream commit [1] 8b467844e "python: Use AM_PATH_PYTHON to determine
 > interpreter for gentpl.py", first included in grub v2.04 released
 > on 2019-07-04. For reference, grub2 has been updated to that version
 > in commit [2] ea7ec41c "boot/grub2: bump to verson 2.04".

 > This commit fixes the issue by adding the host-python3 dependency to
 > host-grub2 and grub2.

 > Fixes:

 >     checking for a Python interpreter with version >= 2.6... none
 >     configure: error: no suitable Python interpreter found

 > [1] https://git.savannah.gnu.org/gitweb/?p=grub.git;a=commitdiff;h=8b467844e11170077c8ca727c39d2bd36eeb5f08
 > [2] https://gitlab.com/buildroot.org/buildroot/-/commit/ea7ec41cf64e86a692ac45e0d012c6e8199ef110

 > Reported-by: Vincent Stehlé <vincent.stehle@arm.com>
 > Signed-off-by: Julien Olivain <ju.o@free.fr>

Given that it apparently doesn't need any special python modules could
we use $(BR2_PYTHON3_HOST_DEPENDENCY) instead to only build python3 if
not available on the host / older than 3.4?

-- 
Bye, Peter Korsgaard
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