Re: [Xen-devel] [PATCH v4 05/27] libxc: ocaml: add simple binding for xentoollog (output only).

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2013-11-12 at 13:46 +0000, Rob Hoes wrote:
> > > +xtl_LIBS =  \
> > > + -ccopt -L -ccopt $(OCAML_TOPLEVEL)/libs/xentoollog
> > $(OCAML_TOPLEVEL)/libs/xentoollog/xentoollog.cmxa \
> > > + -cclib -lxenctrl
> > 
> > Sadly:
> >         /usr/bin/ld: cannot find -lxenctrl
> >         collect2: error: ld returned 1 exit status
> >         File "caml_startup", line 1, characters 0-1:
> >         Error: Error during linking
> > 
> > You need to be using LDLIBS_libxenlight and CFLAGS_libxenlight etc like the
> > tools/ocaml/libs/xl/Makefile does. On your system you are probably linking
> > locally against the library in /usr/lib etc which is not desired...
> 
> So does that mean this?
> 
> +xtl_LIBS =  \
> +       -ccopt -L -ccopt $(OCAML_TOPLEVEL)/libs/xentoollog 
> $(OCAML_TOPLEVEL)/libs/xentoollog/xentoollog.cmxa \
> +       -cclib $(LDLIBS_libxenctrl)
> 
> (this links fine on my machine)

Looks better to me. I think all the usual confusion about C libraries in
ocaml stubs are not a worry because this binary is in tree.

Ian.


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