Andi Hellmund wrote: > Pan ruochen wrote: > >> Dear All, >> >> I'm developping with cross gcc toolchain. The size of the shared >> objects of the toolchain >> is a little big. I try linking the applications againast smaller >> libraries like uclibc. >> But I read gcc manual and find no description about how to suppress >> the system directories on linking. >> >> There seems to be no way of changing the default behaviors of invoking >> `gcc' instead of >> `ld' as the linker. Is it? >> >> PRC >> Dec 16,2009 >> >> >> > Hey Pan, > > system directories like you call them are fixed and hard-coded in the > linker (ld --verbose | grep -i search), but you could use the -L option > of gcc to specify directories which should be searched for libraries > before the default system directories. > > But I guess what you want to do is to suppress linking against the > default libraries like libc? In this case, you could use the > -nodefaultlibs option so that no system libraries are automatically used > at link time. But note that you would then possibly have to explicitly > link against libgcc (which is used "internally" by gcc for some > optimizations or limitations of your system)! > This second comment is quite senseless :-) I somehow assumed that uclibc is using different library names than the default libraries (e.g. libuc, etc.), but it isn't by default ... so that however the first option (-L) should work. - Andi -
