"Eberhard Katze" <E.Katze@xxxxxxx> writes: > 1) At which stage of build I can modify paths which will be build in? When you run the configure option. > 2) Why do some pathes look like this 1/2/3/../../../ ? (above) It's part of the overall system that lets you move the install tree as a whole and have everything continue to work. > 3) How can i kick out invalid pathes? Don't worry, gcc will do it for you. > 4) Is it harmful to reorder the lists? It can be, yes. It sort of depends on exactly what you do. In some cases there are multiple files with the same name, and it's important that gcc find them in the order. > 5) As I'm not familiar with Linking/Headers/dynamic & static libraries - Is there a good help which gives overview? That's quite general and I'm not sure what you are asking. Linking and Headers mean very different things to me. > 6) I want "only" to clean the lib and program path variable to the valid ones. Is there an easy option? No, but don't worry about it. Ian