[OE-core] [meta-oe][PATCH] itstool: Use python3 binary fom PATH instead of /usr/bin/python3

[Burton, Ross]

Considering:

1) bitbake is written in Python 3
2) HOSTTOOLS contains python3

There *really* is a host python 3 binary, and the canonical path to it
is ${HOSTTOOLS_DIR}/python3.

Ross

On Fri, 26 Jul 2019 at 16:40, Piotr Tworek <tworaz at tworaz.net> wrote:
>
> Although /usr/bin/python3 works fine for class-target builds its not
> really what we want for class-native. The host system might not even
> have python3 installed. The native itstool version should use pythn3
> provided in recipe-sysroot-native. To accomplish it modify the default
> shebang to use /usr/bin/env. This works as expected for both native and
> target builds.
>
> Signed-off-by: Piotr Tworek <tworaz at tworaz.net>
> ---
>  meta-oe/recipes-support/itstool/itstool_2.0.5.bb | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/meta-oe/recipes-support/itstool/itstool_2.0.5.bb b/meta-oe/recipes-support/itstool/itstool_2.0.5.bb
> index a0af44a71..f21e7f39b 100644
> --- a/meta-oe/recipes-support/itstool/itstool_2.0.5.bb
> +++ b/meta-oe/recipes-support/itstool/itstool_2.0.5.bb
> @@ -13,7 +13,7 @@ SRC_URI[sha256sum] = "100506f8df62cca6225ec3e631a8237e9c04650c77495af4919ac6a100
>
>  do_install_append() {
>      # fix shebang of main script
> -    sed -i 's:^#!${WORKDIR}.*${PYTHON_PN} -s:#!${bindir_native}/${PYTHON_PN} -s:' ${D}${bindir}/itstool
> +    sed -i 's:^#!${WORKDIR}.*${PYTHON_PN} -s:#!${bindir_native}/env -S ${PYTHON_PN} -s:' ${D}${bindir}/itstool
>  }
>
>  BBCLASSEXTEND = "native"
> --
> 2.21.0
>
> --
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