[PATCH] tests: Handle system-wide tunables in rseq tests

[DJ Delorie]

Michael Jeanson <mjeanson@efficios.com> writes:
> Also one more question, are system-wide tunables supposed to work with 
> statically linked executables? In my test environment I'm able to make 
> tst-rseq fail with a suitable /etc/tunables.conf but it seem to have no 
> impact on tst-rseq-static.

The current code is conditional on both SHARED and USE_LDCONFIG, as the
data comes from /etc/ld.so.cache.

I don't remember exactly what the blocker here was, as we do support
calling dlopen() from a static binary, and I assume that must load
/etc/ld.so.cache.