wrapper scripts

[Seth Arnold]

On Tue, Aug 18, 2015 at 10:09:31AM +0200, Simon Eisenmann wrote:
> Snapcraft wrappers only set the LD_LIBRARY_PATH to the arch which was
> used where snapcraft is run.
> 
> This is not sufficient to create multi arch snaps with snapcraft. The
> wrappers need to detect the arch where the wrapper is run and then set
> the path accordingly.
> 
> Moreover to have multi arch support there also needs to be some way to
> have the same binary for multiple architectures.

ld-linux.so.2 will use directories in DT_RUNPATH dynamic section
attribute, which support several variables, $ORIGIN and $PLATFORM look
most useful. See ld.so(8) for details. This might avoid the need for
wrappers entirely.

Thanks
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