On 21 Aug 2010, at 15:23, Kostik Belousov wrote: > On Sat, Aug 21, 2010 at 03:16:49PM +0100, Rui Paulo wrote: >> >> On 21 Aug 2010, at 14:59, Kostik Belousov wrote: >> >>> On Sat, Aug 21, 2010 at 01:48:05PM +0000, Rui Paulo wrote: >>>> Author: rpaulo >>>> Date: Sat Aug 21 13:48:04 2010 >>>> New Revision: 211561 >>>> URL: http://svn.freebsd.org/changeset/base/211561 >>>> >>>> Log: >>>> Link drti.o with a PIC version of libelf. This is needed because >>>> drti.o depends on libelf and this avoids linking every other drti.o >>>> program (namely programs with USDT probes) with libelf. >>> What is wrong with having libelf as dependency of the resulting >>> binary ? >> >> The resulting binary can be a library. If I add drti.o to the libthr >> library, every other program will break because it can't find libelf >> symbols. The only way to fix it would be to rebuild every program that >> depends on libthr and I don't want that to happen. > > I do not understand this. If drti.o is added to a library, library should > also record a dependency on libelf, i.e. be linked with it. Since you > already modifying link command to add drti.o, what is the problem to > add -lelf ?
I wanted the same steps to be done in FreeBSD as in Solaris. I.e., in Solaris you don't need to link with -lelf your program after you added DTrace probes to it. I believe this is a good tradeoff. Regards, -- Rui Paulo _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
