ali hagigat <hagigatali@xxxxxxxxx> writes: > 3.14 Options for Directory Search > -Bprefix > variable. > The compiler will check to see if the path provided by the â-Bâ refers to a > directory, and if necessary it will add a directory separator > character at the end > of the path. > ----------------------------------------------- > I have copied part of gcc manual. What it is trying to say? Can path > provided by -B not a directory? > What does it mean? -B need not be a directory. -B is a string prefix. For convenience, because the -B option is most commonly used with a directory, gcc will add a trailing '/' when the -B option names a directory. Otherwise, since -B is a string prefix, you would have to add the trailing '/' yourself when using -B. Ian