libdw-dev 0.148-1ubuntu1 (i386 binary) in ubuntu natty

 libdw1 provides a library that provides access to DWARF debug information
 stored inside ELF files.
 .
 This package contains development libraries and header files for libdw1.
 .
 It also contains a static version of libdw. Only link to the static version
 for special cases and when you don't need anything from the ebl backends.