!!! ERROR: sys-apps/busybox-1.4.1-r2 failed.
Call stack:
  ebuild.sh, line 1614:   Called dyn_compile
  ebuild.sh, line 971:   Called qa_call 'src_compile'
  environment, line 3342:   Called src_compile
  busybox-1.4.1-r2.ebuild, line 173:   Called die

!!! build failed
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/sys-apps/busybox-1.4.1-r2/temp/build.log'.