$ /lib/libc.so.6  | head -6
GNU C Library (Ubuntu EGLIBC 2.12.1-0ubuntu10) stable release version 2.12.1,
by Roland McGrath et al.
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.4.5.

$ ldd M2
	  linux-vdso.so.1 =>  (0x00007fff62fff000)
	  libpthread.so.0 => /lib/libpthread.so.0 (0x00007fdd67b0c000)
	  libncurses.so.5 => /usr/lib/libncurses.so.5 (0x00007fdd678c8000)
	  libdl.so.2 => /lib/libdl.so.2 (0x00007fdd676c3000)
	  librt.so.1 => /lib/librt.so.1 (0x00007fdd674bb000)
	  libm.so.6 => /lib/libm.so.6 (0x00007fdd67238000)
	  libc.so.6 => /lib/libc.so.6 (0x00007fdd66eb4000)
	  /lib64/ld-linux-x86-64.so.2 (0x00007fdd67d2b000)
	  libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00007fdd66c9e000)