ipaddress.c: In function `print_link_flags':
ipaddress.c:102: error: `IFF_DYNAMIC' undeclared (first use in this function)
ipaddress.c:102: error: (Each undeclared identifier is reported only once
ipaddress.c:102: error: for each function it appears in.)
make[1]: *** [ipaddress.o] Error 1
make[1]: Leaving directory `/var/tmp/portage/sys-apps/iproute2-2.6.20.20070313/work/iproute-2.6.20-070313/ip'
make: *** [all] Error 2

!!! ERROR: sys-apps/iproute2-2.6.20.20070313 failed.
Call stack:
  ebuild.sh, line 1615:   Called dyn_compile
  ebuild.sh, line 972:   Called qa_call 'src_compile'
  ebuild.sh, line 44:   Called src_compile
  iproute2-2.6.20.20070313.ebuild, line 68:   Called die

!!! make
!!! If you need support, post the topmost build error, and the call stack if relevant.