ubuntu@ubuntu-laptop:~/openwrt/atheros$ time make world 
Collecting target info: done
Collecting package info: package/yapsnmp--: /home/ubuntu/openwrt/atheros/staging_dir_/usr/bin/hostpython: No such file or directory
Collecting package info: done
Checking 'pkg-config'... ok.
Checking 'autoconf'... ok.
Checking 'autoconf'... ok.
Checking 'sdcc'... ok.
Checking 'bison'... ok.
Checking 'xgettext'... ok.
Checking 'ruby'... ok.
Checking 'automake'... ok.
Checking 'pkg-config'... ok.
Checking 'fastjar'... ok.
Checking 'jikes'... ok.
Checking 'aclocal'... ok.
Checking 'automake'... ok.
  make[2] tools/install 
  make[3] -C tools install 
  make[2] toolchain/install 
  make[3] -C toolchain install 
  make[2] target/compile 
  make[3] -C target compile 
  make[4] -C target/linux compile 
  make[5] -C target/linux/atheros-2.6 compile 
  make[4] -C target/linux/atheros-2.6/image compile 
  make[2] package/compile 
  make[3] -C package compile 
  make[4] -C package/bridge compile 
  make[4] -C package/dropbear compile