[yocto] oe-run-native uses host python3 instead of sysroot

[Burton, Ross]

That sounds like a bug but your fix isn't complete (doesn't handle
perl-native, for example), so the script should find the *-native
directories itself.  I've filed
https://bugzilla.yoctoproject.org/show_bug.cgi?id=12889 so this
doesn't get lost.

Ross

On 10 August 2018 at 16:58, Aaron Cohen <aaron at assonance.org> wrote:
> Trying to run bmaptool on Centos 7, oe-run-native using the command
> "oe-run-native bmap-tools-native bmaptool copy -h" gives the following
> error:
>
> --- a/scripts/oe-run-nativeTraceback (most recent call last):
>   File
> "/home/joel-cohen/code/yocto-2.5/xilinx-build/tmp/work/x86_64-linux/bmap-tools-native/3.4-r0/recipe-sysroot-native/usr/bin/bmaptool",
> line 6, in <module>
>     from pkg_resources import load_entry_point
>   File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 3007, in
> <module>
>     working_set.require(__requires__)
>   File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 728, in
> require
>     needed = self.resolve(parse_requirements(requirements))
>   File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 626, in
> resolve
>     raise DistributionNotFound(req)
> pkg_resources.DistributionNotFound: bmap-tools==3.4
>
> which is caused because the python3 that it is using is my host's old
> version (3.4.8) rather than from the recipe sysroot.
>
> The following patch fixes it for me, but I wonder if there's a better
> solution. I do think that finding the sysroot python3 is in general
> preferable to using whatever happens to be on the host...
>
> A side note: the bmaptool currently in oe throws a weird error when given no
> arguments rather than a usage message. This has been fixed upstream.
>
> --Aaron
>
> +++ b/scripts/oe-run-native
> @@ -55,7 +55,7 @@ fi
>  OLD_PATH=$PATH
>
>  # look for a tool only in native sysroot
> -PATH=$OECORE_NATIVE_SYSROOT/usr/bin:$OECORE_NATIVE_SYSROOT/bin:$OECORE_NATIVE_SYSROOT/usr/sbin:$OECORE_NATIVE_SYSROOT/sbin
> +PATH=$OECORE_NATIVE_SYSROOT/usr/bin:$OECORE_NATIVE_SYSROOT/bin:$OECORE_NATIVE_SYSROOT/usr/sbin:$OECORE_NATIVE_SYSROOT/sbin:$OECORE_NATIVE_SYSROOT/usr/bin/python3-native
>  tool_find=`/usr/bin/which $tool 2>/dev/null`
>
>  if [ -n "$tool_find" ] ; then
>
>
> --
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