On Wed, Jul 18, 2018 at 02:18:44PM +0200, Johannes Schindelin wrote:
> On Sat, 14 Jul 2018, brian m. carlson wrote:
> > I will say that at cPanel, we have a configuration where end users can
> > end up inside a mount namespace without /proc (depending on the
> > preferences of the administrator).  However, it's easy enough for us to
> > simply build without RUNTIME_PREFIX if necessary.
> > 
> > If we turn it on by default, it would be nice if we documented (maybe in
> > the Makefile) that it requires /proc on Linux for the benefit of other
> > people who might be in a similar situation.
> 
> Is there *really* no other way on Linux to figure out the absolute path of
> the current executable than to open a pseudo file in the `/proc` file
> system?

Nope, not that I'm aware of.  You have to read the destination of
the /proc/PID/exe symlink.
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204