Download patch for
HADOOP-3659.
Make sure you have MacPorts and zlib installed.
Untar hadoop-0.20.1+169.68.tar.gz
tar -xzf hadoop-0.20.1+169.68.tar.gz
Cd into hadoop-0.20.1+169.68
cd hadoop-0.20.1+169.68
Apply patch
cat HADOOP-3659.patch | patch -p0
Rerun autoconf
(cd cd src/native/; autoconf)
Compile
ant compile-native
THE END!
This worked for me.
