ali hagigat <hagigatali@xxxxxxxxx> writes: > My question is about the link option, -l. Like, -lrt, We know that > librt.a (or librt.so) is the actual file which is searched for. But i > had a an experience and i saw that if there is no librt.a, other "rt" > combinations are searched too, like , librtdm.a. That is not correct, at least not on GNU/Linux or Unix systems. If you use -lrt, the linker will search for librt.a and librt.so. It will not search for librtdm.a. Ian