Comment 19 for bug 148465

That didn't go very far:

configure: error: Valgrind requires glibc version 2.2 - 2.5

$ dpkg -p libc6
Package: libc6
Priority: required
Section: libs
Installed-Size: 11328
Maintainer: GNU Libc Maintainers <email address hidden>
Architecture: amd64
Source: glibc
Version: 2.6.1-1
Provides: glibc-2.6-1
Depends: libgcc1
Suggests: locales, glibc-doc
Conflicts: libterm-readline-gnu-perl (<< 1.15-2), tzdata (<< 2007e-2)
Size: 4911700
Description: GNU C Library: Shared libraries
 Contains the standard libraries that are used by nearly all programs on
 the system. This package includes shared versions of the standard C library
 and the standard math library, as well as many others.