Gentoo blocked packages

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N     ] dev-libs/libusb-compat-0.1.5  USE="-debug -static-libs" 271 kB
[ebuild     U  ] net-dns/bind-tools-9.9.3_p2 [9.9.2] USE="doc idn ipv6 readline ssl xml -gssapi -urandom" 7,285 kB
[ebuild     U  ] dev-db/sqlite-3.7.17:3 [3.7.16.2:3] USE="doc extensions readline tcl -debug -icu -secure-delete -static-libs {-test}" 9,110 kB
[ebuild     U ~] net-im/skype-4.2.0.11-r1 [4.2.0.11] USE="-pax_kernel (-selinux)" 0 kB
[ebuild     U  ] dev-libs/apr-1.4.8-r1:1 [1.4.5:1] USE="doc urandom -older-kernels-compatibility -static-libs (-uuid%*)" 755 kB
[ebuild     U  ] dev-libs/apr-util-1.5.2:1 [1.3.12:1] USE="berkdb doc gdbm ldap sqlite -freetds -mysql -nss% -odbc -openssl% -postgres -static-libs" 678 kB
[ebuild     U  ] media-libs/libjpeg-turbo-1.3.0 [1.2.1] USE="java -static-libs" 1,330 kB
[ebuild  N     ] www-client/lynx-2.8.8_pre12  USE="bzip2 idn ipv6 nls ssl unicode -cjk -gnutls" 2,481 kB
[ebuild     U  ] net-analyzer/wireshark-1.10.1:0/1.10.1 [1.8.8:0/1.8.8] USE="caps crypt doc filecaps ipv6 netlink%* pcap qt4%* ssl zlib -adns -doc-pdf -geoip -gtk* -kerberos -libadns -lua -portaudio -profile (-selinux) -smi (-python%*)" PYTHON_SINGLE_TARGET="(-python2_5%) (-python2_6%) (-python2_7%*)" PYTHON_TARGETS="(-python2_5%*) (-python2_6%) (-python2_7%*)" 26,188 kB
[ebuild     U  ] dev-perl/DBD-mysql-4.20.0 [4.01.7] USE="-embedded%" 135 kB
[blocks B      ] dev-libs/libusb-compat ("dev-libs/libusb-compat" is blocking dev-libs/libusb-0.1.12-r7)
[blocks B      ] dev-libs/libusb:0 ("dev-libs/libusb:0" is blocking dev-libs/libusb-compat-0.1.5)

Total: 10 packages (8 upgrades, 2 new), Size of downloads: 48,228 kB
Conflict: 2 blocks (2 unsatisfied)

 * Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  (dev-libs/libusb-0.1.12-r7::gentoo, installed) pulled in by
    dev-libs/libusb:0 required by @selected

  (dev-libs/libusb-compat-0.1.5::gentoo, ebuild scheduled for merge) pulled in by
    >=dev-libs/libusb-compat-0.1.4 required by (virtual/libusb-0::gentoo, installed)


For more information about Blocked Packages, please refer to the following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked