CONTENTS: extralib gdb bison
extralib: Extra static libraries used for profiling and debugging. (v. 4.4.4) 
extralib: (libc_p.a, libgmon.a, gcrt0.o, libg.a, libmcheck.a)
extralib:
extralib:
extralib:
extralib:
extralib:
extralib:
extralib:
extralib:
extralib:
gdb:      The GNU debugger. (v. 4.11)
gdb:
gdb:      You can use GDB to debug programs written in C, C++, and
gdb:      Modula-2.  Fortran support will be added when a GNU Fortran
gdb:      compiler is ready.
gdb:
gdb:
gdb:
gdb:
gdb:
gdb:
bison:    GNU bison parser generator version 1.22.
bison:
bison: 
bison:    Bison is a parser generator in the style of yacc(1). It
bison:    should be upwardly compatible with input files designed
bison:    for yacc.
bison:
bison:
bison:
bison:
bison: