Version 2.01
Version 2.02
Version 3.0
Version 3.1
Version 3.2
Version 4.0
Version 4.1
Version 4.1.1
Version 4.1.2
Version 4.1.3
Version 4.2.0
Version 4.2.1
Version 4.3.0
Version 4.3.1
Version 4.4.0
Version 4.4.1
Version 4.4.2
Version 4.4.3
Version 4.4.4
Add a check for -lpthread.