UUID extension Formula was removed
Last versions were
php54-uuid requires the following formula to be installed:
autoconf 2.69 Automatic configure script builder

Recent formula history

Mike McQuaid Deprecate tap.
Baptiste Fontaine php54-uuid: patch URLs fixed
Andy Blyler php54-uuid: convert from sha1 to sha256
Andy Blyler fix style issues
Andy Blyler Update URLs to use HTTPS

Formula code at GitHub