make[2]: Leaving directory
`/var/tmp/portage/avahi-0.5.2-r1/work/avahi-0.5.2/avahi-daemon'
Making all in avahi-sharp
make[2]: Entering directory
`/var/tmp/portage/avahi-0.5.2-r1/work/avahi-0.5.2/avahi-sharp'
/usr/bin/mdassembler --out avahi-sharp-docs --ecma ./en
make[2]: *** No rule to make target `avahi-sharp-docs.tree', needed by `all-am'.
Stop.
make[2]: *** Waiting for unfinished jobs....
Processing namespace Avahi
Processing input file AddressResolver.xml
Processing input file Client.xml
Processing input file ClientException.xml
Processing input file ClientState.xml
Setting MAKEOPTS="-j1" allows the build to proceed OK.