"Philip A. Prindeville" <philipp_subx@xxxxxxxxxxxxxxxxxxxxx> writes: > I have to say, the overloading of '=' *plus* the fact that some arguments use '=' (like --sysroot=) while others don't (-isystem xxx) is confusing. Yes. > Ok, what about how 'ld' interprets --sysroot? If I have "ld --sysroot /xyzzy -L/a/b/c" will it look in /xyzzy/a/b/c? No. ld uses --sysroot for very few things, really just to set the default library search path. Generally the compiler passes the library paths to search as -L options. Ian