toolchain@gentoo.org Gentoo Toolchain Project Enable Intel Control-flow Enforcement Technology. Set ld to point to ld.gold instead of ld.bfd Build ld.gold linker Enable the next-generation gprofng profiler Build binutils with Profile Guided Optimization (PGO) and LTO Enable plugin support in tools Adds support to binutils for cross compiling (does not work with gas) cpe:/a:gnu:binutils