$ readelf -a /usr/lib/liblapack.*
# ... ( lots of lines for a while...)
Version needs section '.gnu.version_r' contains 4 entries:
Addr: 0x000000000000d914 Offset: 0x00d914 Link: 4 (.dynstr)
000000: Version: 1 File: libc.so.6 Cnt: 2
0x0010: Name: GLIBC_2.1.3 Flags: none Version: 8
0x0020: Name: GLIBC_2.0 Flags: none Version: 7
0x0030: Version: 1 File: libgcc_s.so.1 Cnt: 1
0x0040: Name: GCC_4.0.0 Flags: none Version: 6
0x0050: Version: 1 File: libgfortran.so.3 Cnt: 2
0x0060: Name: GFORTRAN_1.0 Flags: none Version: 4
0x0070: Name: GFORTRAN_1.4 Flags: none Version: 3
0x0080: Version: 1 File: libm.so.6 Cnt: 2
0x0090: Name: GLIBC_2.0 Flags: none Version: 5
0x00a0: Name: GLIBC_2.1 Flags: none Version: 2
Notes at offset 0x00000114 with length 0x00000024:
Owner Data size Description
GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: 45e9d684a004eca49e06e093a3068a0258e050ef