DomBlack/php-scrypt — pull request #6 by DomBlack (2013-05-13 08:00:10+00:00)
Title: scrypt fails to work during the test.

OK, you need to change the configure script or something, somewhere. I don't know where, but you have to make it load the realtime clock library. By adding in the flag "-lrt". I don't know where this goes in your extension, but without it, it'll fail.