https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112862
--- Comment #6 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > --- Comment #5 from Iain Sandoe <iains at gcc dot gnu.org> --- >> > Now I have a concern that we have instances of -Bpath/to/libsomething/.libs >> > that are present to allow for specs substitution and we also need them for >> > providing run paths at test time. BUT, we do not want duplicates >> > (since, that >> > triggers a different warning for some Xcode versions, and is >> > inefficient anyway >> > - albeit probably a very minor contribution to testing time). >> >> Still there is going to be an impact, even on non-Darwin. However, this >> duplication of -B and -L options is present all over the testsuite >> already, just nobody cared to do something about it so far. Those Xcode >> 15 ld warnings my change this, though... > > Actually, since -B produces a -L for every -B directory that exists, if we add > -B we really ought to omit the -L if it's the same - otherwise we get useless > duplicates on the link line. Do you know of any exception to the B implies L? No. TBH I only really knew about -B to find e.g. library-specific spec files, not for libraries themselves.
