Martin Bochnig wrote: > Martin Bochnig wrote: > >> Cyril Plisko wrote: >> >>> Hi, >>> >>> GNU ld specialists out there - this question is for you. >>> what is the GNU ld way of doing -Nmisc/somemod dependency >>> for relocatable object ? Quick scan of the man page brought >>> nothing and I am thinking really slow - it is almost 01:00 AM here. >>> >>> >>> -- >>> Regards, >>> Cyril >>> >>> >> >> >> I'm not a gnu-ld expert at all, but maybe >> "*--as-needed" ?? >> >> * >> > GNU-ld: > > --as-needed > --no-as-needed > This option affects ELF DT_NEEDED tags for dynamic libraries > mentioned on the command line after the --as-needed option. Normally, > the linker will add a DT_NEEDED tag for each dynamic library mentioned > on the command line, regardless of whether the library is actually > needed. --as-needed causes DT_NEEDED tags to only be emitted for > libraries that satisfy some reference from regular objects. > --no-as-needed restores the default behaviour. > --add-needed > --no-add-needed > This option affects the treatment of dynamic libraries from ELF > DT_NEEDED tags in dynamic libraries mentioned on the command line after > the --no-add-needed option. Normally, the linker will add a DT_NEEDED > tag for each dynamic library from DT_NEEDED tags. --no-add-needed causes > DT_NEEDED tags will never be emitted for those libraries from DT_NEEDED > tags. --add-needed restores the default behaviour. > > > > SUN-ld: > > -N string > > This option causes a DT_NEEDED entry to be added to the > .dynamic section of the object being built. The value of > the DT_NEEDED string is the string that is specified on > the command line. This option is position dependent, and > the DT_NEEDED .dynamic entry is relative to the other > dynamic dependencies discovered on the link-edit line. > This option is useful for specifying dependencies within > device driver relocatable objects when combined with the > -dy and -r options. > > > > martin >
Interesting... Can --as-needed add whatever I want or is it kinda of automatic scoop - adds everything is sees by itself ?
