This is what I see with recent PS .tar.gz binaries:

[openxs@chief Percona-Server-5.6.10-alpha60.2-324.Linux.x86_64]$ find / -name 'beach*' 2>/dev/null
[openxs@chief Percona-Server-5.6.10-alpha60.2-324.Linux.x86_64]$ ldd bin/mysqld
        linux-vdso.so.1 =>  (0x00007fff435ff000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003ffac00000)
        libaio.so.1 => /lib64/libaio.so.1 (0x00000035b9000000)
        librt.so.1 => /lib64/librt.so.1 (0x0000003ffb400000)
        libcrypt.so.1 => /lib64/libcrypt.so.1 (0x0000003007000000)
        libdl.so.2 => /lib64/libdl.so.2 (0x0000003ffb000000)
        libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x0000003006000000)
        libm.so.6 => /lib64/libm.so.6 (0x0000003ffb800000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x0000003ffc000000)
        libc.so.6 => /lib64/libc.so.6 (0x0000003ffa800000)
        /lib64/ld-linux-x86-64.so.2 (0x0000003ffa400000)
        libfreebl3.so => /lib64/libfreebl3.so (0x0000003006400000)
[openxs@chief Percona-Server-5.6.10-alpha60.2-324.Linux.x86_64]$ cd ../Percona-Server-5.5.30-rel30.2-500.Linux.x86_64
[openxs@chief Percona-Server-5.5.30-rel30.2-500.Linux.x86_64]$ ldd bin/mysqld           
        linux-vdso.so.1 =>  (0x00007fff7f7ff000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003ffac00000)
        libaio.so.1 => /lib64/libaio.so.1 (0x00000035b9000000)
        libm.so.6 => /lib64/libm.so.6 (0x0000003ffb800000)
        librt.so.1 => /lib64/librt.so.1 (0x0000003ffb400000)
        libcrypt.so.1 => /lib64/libcrypt.so.1 (0x0000003007000000)
        libdl.so.2 => /lib64/libdl.so.2 (0x0000003ffb000000)
        libssl.so.6 => /usr/lib64/libssl.so.6 (0x00000037ba000000)
        libcrypto.so.6 => /usr/lib64/libcrypto.so.6 (0x00000037be400000)
        libc.so.6 => /lib64/libc.so.6 (0x0000003ffa800000)
        /lib64/ld-linux-x86-64.so.2 (0x0000003ffa400000)
        libfreebl3.so => /lib64/libfreebl3.so (0x0000003006400000)
        libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00000037b9000000)
        libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00000037b9400000)
        libcom_err.so.2 => /lib64/libcom_err.so.2 (0x0000003006800000)
        libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00000037b9c00000)
        libz.so.1 => /lib64/libz.so.1 (0x0000003ffbc00000)
        libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00000037b9800000)
        libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x0000003008000000)
        libresolv.so.2 => /lib64/libresolv.so.2 (0x0000003ffcc00000)
        libselinux.so.1 => /lib64/libselinux.so.1 (0x0000003ffc400000)
[openxs@chief Percona-Server-5.5.30-rel30.2-500.Linux.x86_64]$ cd ../Percona-Server-5.1.68-rel14.6-551.Linux.x86_64
[openxs@chief Percona-Server-5.1.68-rel14.6-551.Linux.x86_64]$ ldd libexec/mysqld
        linux-vdso.so.1 =>  (0x00007ffff6d74000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003ffac00000)
        libz.so.1 => /lib64/libz.so.1 (0x0000003ffbc00000)
        libdl.so.2 => /lib64/libdl.so.2 (0x0000003ffb000000)
        librt.so.1 => /lib64/librt.so.1 (0x0000003ffb400000)
        libcrypt.so.1 => /lib64/libcrypt.so.1 (0x0000003007000000)
        libnsl.so.1 => /lib64/libnsl.so.1 (0x000000300b800000)
        libm.so.6 => /lib64/libm.so.6 (0x0000003ffb800000)
        libc.so.6 => /lib64/libc.so.6 (0x0000003ffa800000)
        /lib64/ld-linux-x86-64.so.2 (0x0000003ffa400000)
        libfreebl3.so => /lib64/libfreebl3.so (0x0000003006400000)

So, readline request applies to all 3 versions, zlib one applies to 5.5 and 5.6, while openssl one applies to 5.1 and 5.6.