Build packages with stack smashing protector on by default

Packages describing “ssp” as local USE flag

Package “ssp” Flag Description
dev-lang/gnat-gpl Build packages with stack smashing protector on by default
media-libs/embree When enabled, Embree compiles with stack protection against return address overrides. Stack protection will wield a minor performance decrease in return for higher security.
sys-libs/glibc protect stack of glibc internals
sys-devel/gcc Build packages with stack smashing protection on by default

All packages providing a “ssp” USE flag (1)