Ubuntu

Binary package “gdb-source” in ubuntu precise

  1. Precise (12.04)
  2. gdb-source

The GNU Debugger (source)

 GDB is a source-level debugger, capable of breaking programs at
 any specific line, displaying variable values, and determining
 where errors occurred. Currently, it works for C, C++, Fortran
 Modula 2 and Java programs. A must-have for any serious
 programmer.
 .
 This package contains the sources and patches which are needed
 to build GDB.

Source package