Gentoo's Bugzilla –
Attachment 770495 Details for
Bug 838172sys-libs/musl installs /usr/include/ucontext.h, but does not implement the functions declared within it (was: sys-libs/libxcrypt-4.4.28-r2 fails tests on MUSL: ld: explicit-bzero.c:(.text.startup+0xed): undefined reference to makecontext)