Can't phpize or configure an extension in OS X 10.9 Mavericks

Question

I am trying to build the memcached extension on OS X 10.9 Mavericks for use with the built in PHP 5.4, initially I tried pecl install memcached but that threw t

Answer 1

run xcode-select --install to install the XCode5 Command Line Tools, then sudo pecl install memcache. You should be good to go.