[Buildroot] [PATCH] pkgconf: make wrapper relocatable

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Gustavo" == Gustavo Zacarias <gustavo@zacarias.com.ar> writes:

 > On 09/03/16 11:00, Peter Korsgaard wrote:
 >> Well, we cannot really break existing features to add new ones. The
 >> relative location between the pkg-config wrapper script and the staging
 >> directory is constant (or rather known at build time), so I guess we can
 >> do something with /proc/self/exe. We might need to implement the wrapper
 >> in C instead for that to work as /proc/self/exe for a shell script seems
 >> to return /bin/dash here.

 > That's overly complicated for no value at all.
 > You know the sysroot is in the host directory as well, so you just
 > need to filter out /usr/bin from $0 and hardcode the tuple in the
 > wrapper - 
 > that's guaranteed to not change, otherwise you're in serious trouble.

Yes, that's basically what I'm saying +/- the question if you want to
rely on $0 containing the full path to the wrapper or if you use
/proc/self/exe instead.

-- 
Venlig hilsen,
Peter Korsgaard