How to link library?

[Macok]

I want to compile program that uses gmp library.
When I compile it manualy, i simple add -lgmp in command line when calling g++ command, but how to do it in QtCreator?

[SamT]

http://www.qtcentre.org/forum/f-qt-tools-3/t-additional-libs-for-linker-19770.html

I add the modification in *.pro and it works fine for me on QtCreqtor.