latex | gentoo | dev-tex/listings blocked

root>> emerge dev-tex/listings                                         
Calculating dependencies... done!
[ebuild  N    ] dev-tex/listings-1.4  USE="-doc" 
[blocks B     ] dev-tex/listings ("dev-tex/listings" is blocking dev-texlive/texlive-latexrecommended-2010)

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

  (dev-tex/listings-1.4, ebuild scheduled for merge) pulled in by
    dev-tex/listings

  (dev-texlive/texlive-latexrecommended-2010, installed) pulled in by
    dev-texlive/texlive-latexrecommended required by (virtual/latex-base-1.0, 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