On Mon, Dec 2, 2019 at 1:49 PM Stanislav Fomichev <sdf@xxxxxxxxxxx> wrote: > > On 12/02, Andrii Nakryiko wrote: > > On Mon, Dec 2, 2019 at 12:28 PM Stanislav Fomichev <sdf@xxxxxxxxxx> wrote: > > > +# Make sure we are able to include and link libbpf against c++. > > > +$(OUTPUT)/test_cpp: test_cpp.cpp $(BPFOBJ) > > > + $(CXX) $(CFLAGS) $^ -lelf -o $@ > > > > let's use $(LDLIBS) instead here > Sure, I'll send a v2 with $(LDLIBS); it might be worth doing for > consistency. > > Just curious: any particular reason you want to do it? > (looking it tools/build/features, I don't see any possible -lelf > cross-dependency) The main reason is that I'd like to only have one (at least one per Makefile) place where we specify expected library dependencies. In my extern libbpf change I was adding explicit dependency on zlib, for instance, and having to grep for -lxxx to see where I should add -lz is error-prone and annoying. Nothing beyond that.
