* configure.ac: Check the presence of libdw.so and
elfutils/libdwfl.h headers from elfutils and define the necessary
linking flags.
* include/abg-dwarf-reader.h: New header file
* include/Makefile.am: Add the new header file to the source
distribution.
* src/abg-dwarf-reader.cc:: New file.
* src/Makefile.am: Add the new file to the source distribution.
* include/abg-fwd.h (dump): Add declarations for several overloads
to allow dumping to a given output stream.
* include/abg-ir.h (class translation_unit): Use a pimpl idiom for
this now.
(translation_unit::canonicalize_type): Declare new method.
* src/abg-ir.cc (struct translation_unit::priv): New private type
for the pimpl idiom for translation_unit.
(translation_unit::{translation_unit, get_global_scope, get_path,
set_path, get_loc_mgr}): Adjust for pimpl idiom.
(translation_unit::canonicalize_type): Define this new method and
one overload.
* src/abg-writer.cc (dump): Define several overloads to dump IR
nodes to given output streams.
* tools/bidw.cc: New file for the new bidw tool.
* tools/Makefile.am: Define rules to build the new bidw tools.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
