your linker is out-of-date. Upgrade your binutils, more specific the ld linker to something more recent than V7.25.
That warning about -T is harmless by the way.
Also, try to scroll down in your terminal. The older linker has errors that emit at lot of empty lines. That is not a bug in fpc but in the gnu linker that is fixed in later versions of the gnu linker.
Also note 15 minutes is nothing. Try building GNU C++, that takes days.
A normal build on a slow laptop thingy or RPi should be about 15- 45 minutes