DMD 1.031 and 2.015 releases

[Frank Benoit]

Walter Bright schrieb:
> Some new stuff to make writing templates easier.
> 
> http://www.digitalmars.com/d/1.0/changelog.html
> http://ftp.digitalmars.com/dmd.1.031.zip
> 
> http://www.digitalmars.com/d/2.0/changelog.html
> http://ftp.digitalmars.com/dmd.2.015.zip

What effect has -fPIC to code?
When do i use -fPIC?
What is a situation, where the version D_PIC is useful in the source code?