[Bug sanitizer/69443] -fsanitize=address should add -lpthread to linker call

[y.gribov at samsung dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69443

Yury Gribov <y.gribov at samsung dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |y.gribov at samsung dot com

--- Comment #2 from Yury Gribov <y.gribov at samsung dot com> ---
(In reply to Jakub Jelinek from comment #1)
> I'm afraid it is undesirable, various projects flag ldd -u diagnosed
> dependencies as errors.  Perhaps just configure without -fsanitize=address
> in CFLAGS and only add those for the actual builds?

We could prefix -lpthread with -Wl,--as-needed to work around this.