Gentoo's Bugzilla –
Attachment 538410 Details for
Bug 660324dev-util/cmake - In function `std::locale::locale<codecvt>(std::locale const&, codecvt*)': cmGeneratedFileStream.cxx:(.text._ZNSt6localeC2I7codecvtEERKS_PT_[_ZNSt6localeC5I7codecvtEERKS_PT_]+0xf6): undefined reference to `__atomic_fetch_add_4'