missing RDEPEND lens-9999

Missing RDEPEND lens-9999 occurs again....
It stops with a:
<pre>
% emerge -v "=lens-9999" 

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   *] dev-haskell/lens-9999:0/9999::gentoo-haskell  USE="-doc -hoogle -hscolour -profile {-test}" 0 kB

Total: 1 package (1 reinstall), Size of downloads: 0 kB


>>> Verifying ebuild manifests

>>> Emerging (1 of 1) dev-haskell/lens-9999 from gentoo-haskell
>>> Unpacking source...
remote: Counting objects: 604, done.
remote: Compressing objects: 100% (276/276), done.
remote: Total 492 (delta 348), reused 304 (delta 160)
Receiving objects: 100% (492/492), 61.72 KiB | 69 KiB/s, done.
Resolving deltas: 100% (348/348), completed with 70 local objects.
From https://github.com/ekmett/lens
   6cc9ce7..ca905e9  master     -> master
GIT update -->
   repository:               https://github.com/ekmett/lens
   updating from commit:     6cc9ce7ce004e475c2116b2ea95b9aa636ab8886
   to commit:                ca905e92404420d5a73dd8b91e07f49c5c9cbb62
 CHANGELOG.markdown                           |   11 +-
 LICENSE                                      |    2 +-
 experimental/Control/Lens/Internal/Jacket.hs |  311 +++++++++++++
 experimental/Control/Lens/Internal/Zip.hs    |  640 ++++++++++++++++++++++++++
 lens.cabal                                   |   28 +-
 src/Control/Exception/Lens.hs                |  260 +++++++----
 src/Control/Lens.hs                          |    2 +-
 src/Control/Lens/Action.hs                   |    8 +-
 src/Control/Lens/At.hs                       |    2 +-
 src/Control/Lens/Combinators.hs              |    2 +-
 src/Control/Lens/Cons.hs                     |   10 +
 src/Control/Lens/Each.hs                     |    2 +-
 src/Control/Lens/Equality.hs                 |    2 +-
 src/Control/Lens/Fold.hs                     |   54 +--
 src/Control/Lens/Getter.hs                   |   80 +++-
 src/Control/Lens/Indexed.hs                  |   27 +-
 src/Control/Lens/Internal.hs                 |    8 +-
 src/Control/Lens/Internal/Jacket.hs          |  311 -------------
 src/Control/Lens/Internal/Magma.hs           |  224 +++++++++
 src/Control/Lens/Internal/Scoria.hs          |  128 ------
 src/Control/Lens/Internal/Zip.hs             |  617 -------------------------
 src/Control/Lens/Internal/Zipper.hs          |   94 ++--
 src/Control/Lens/Internal/Zoom.hs            |   47 +-
 src/Control/Lens/Iso.hs                      |   25 +-
 src/Control/Lens/Lens.hs                     |    8 +-
 src/Control/Lens/Level.hs                    |   55 ++-
 src/Control/Lens/Loupe.hs                    |    2 +-
 src/Control/Lens/Operators.hs                |    2 +-
 src/Control/Lens/Plated.hs                   |    2 +-
 src/Control/Lens/Prism.hs                    |   21 +-
 src/Control/Lens/Reified.hs                  |    2 +-
 src/Control/Lens/Review.hs                   |   15 +-
 src/Control/Lens/Setter.hs                   |  103 +++--
 src/Control/Lens/Simple.hs                   |    8 +-
 src/Control/Lens/TH.hs                       |   75 ++-
 src/Control/Lens/Traversal.hs                |   49 +-
 src/Control/Lens/Tuple.hs                    |    2 +-
 src/Control/Lens/Type.hs                     |    8 +-
 src/Control/Lens/Wrapped.hs                  |    2 +-
 src/Control/Lens/Zipper.hs                   |    2 +-
 src/Control/Lens/Zoom.hs                     |   50 +-
 src/Control/Monad/Error/Lens.hs              |   58 ++-
 src/Control/Parallel/Strategies/Lens.hs      |    2 +-
 src/Control/Seq/Lens.hs                      |    4 +-
 src/Data/Array/Lens.hs                       |    8 +-
 src/Data/Bits/Lens.hs                        |   44 +-
 src/Data/ByteString/Lazy/Lens.hs             |   10 +-
 src/Data/ByteString/Lens.hs                  |    8 +-
 src/Data/ByteString/Strict/Lens.hs           |    4 +-
 src/Data/Complex/Lens.hs                     |   18 +-
 src/Data/Data/Lens.hs                        |    2 +-
 src/Data/HashSet/Lens.hs                     |    2 +-
 src/Data/IntSet/Lens.hs                      |    2 +-
 src/Data/List/Lens.hs                        |    2 +-
 src/Data/List/Split/Lens.hs                  |    2 +-
 src/Data/Sequence/Lens.hs                    |    2 +-
 src/Data/Set/Lens.hs                         |    2 +-
 src/Data/Text/Lazy/Lens.hs                   |    2 +-
 src/Data/Text/Lens.hs                        |    2 +-
 src/Data/Text/Strict/Lens.hs                 |    2 +-
 src/Data/Tree/Lens.hs                        |    2 +-
 src/Data/Typeable/Lens.hs                    |    2 +-
 src/Data/Vector/Generic/Lens.hs              |   41 +-
 src/Data/Vector/Lens.hs                      |   23 +-
 src/GHC/Generics/Lens.hs                     |    2 +-
 src/Language/Haskell/TH/Lens.hs              |    2 +-
 src/Numeric/Lens.hs                          |    2 +-
 src/System/FilePath/Lens.hs                  |    2 +-
 src/System/IO/Error/Lens.hs                  |    2 +-
 tests/doctests.hs                            |   13 +
 tests/hunit.hs                               |   20 +-
 tests/properties.hs                          |   13 +
 tests/templates.hs                           |   15 +-
 73 files changed, 2114 insertions(+), 1502 deletions(-)
   branch:                   master
   storage directory:        "/media/work/gentoo/usr/portage/distfiles/egit-src/lens"
   checkout type:            bare repository
Cloning into '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999'...
done.
Branch branch-master set up to track remote branch master from origin.
Switched to a new branch 'branch-master'
>>> Unpacked to /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999
>>> Source unpacked in /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work
>>> Preparing source in /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999 ...
>>> Source prepared.
>>> Configuring source in /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999 ...
 * Using cabal-1.16.0.3.
 * Prepending /media/work/gentoo/usr/lib64/ghc-7.4.2 to LD_LIBRARY_PATH
/media/work/gentoo/usr/bin/ghc -package Cabal-1.16.0.3 --make /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999/Setup.lhs -dynamic -o setup
[1 of 1] Compiling Main             ( /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999/Setup.lhs, /media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999/Setup.o )
Linking setup ...
./setup configure --ghc --prefix=/media/work/gentoo/usr --with-compiler=/media/work/gentoo/usr/bin/ghc --with-hc-pkg=/media/work/gentoo/usr/bin/ghc-pkg --prefix=/media/work/gentoo/usr --libdir=/media/work/gentoo/usr/lib --libsubdir=lens-9999/ghc-7.4.2 --datadir=/media/work/gentoo/usr/share/ --datasubdir=lens-9999/ghc-7.4.2 --disable-tests --ghc-option=-optl-Wl,-O1 --ghc-option=-optl-L/usr/lib/x86_64-linux-gnu --ghc-option=-optl-L/lib/x86_64-linux-gnu --disable-executable-stripping --docdir=/media/work/gentoo/usr/share/doc/lens-9999 --verbose
Configuring lens-3.8...
setup: At least the following dependencies are missing:
MonadCatchIO-transformers ==0.3.*
 * ERROR: dev-haskell/lens-9999 failed (configure phase):
 *   setup configure failed
 * 
 * Call stack:
 *     ebuild.sh, line   93:  Called call-ebuildshell 'src_configure'
 *   environment, line  775:  Called src_configure
 *   environment, line 3221:  Called haskell-cabal_src_configure
 *   environment, line 2534:  Called cabal-configure
 *   environment, line  563:  Called die
 * The specific snippet of code:
 *       ./setup "$@" || die "setup configure failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-haskell/lens-9999'`,
 * the complete build log and the output of `emerge -pqv '=dev-haskell/lens-9999'`.
 * This ebuild used the following eclasses from overlays:
 *   /media/work/gentoo/var/lib/layman/haskell/eclass/haskell-cabal.eclass
 *   /media/work/gentoo/var/lib/layman/haskell/eclass/ghc-package.eclass
 * This ebuild is from an overlay named 'gentoo-haskell': '/media/work/gentoo/var/lib/layman/haskell/'
 * The complete build log is located at '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/temp/build.log'.
 * The ebuild environment file is located at '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/temp/environment'.
 * Working directory: '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999'
 * S: '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999'

>>> Failed to emerge dev-haskell/lens-9999, Log file:

>>>  '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/temp/build.log'

 * Messages for package dev-haskell/lens-9999:

 * ERROR: dev-haskell/lens-9999 failed (configure phase):
 *   setup configure failed
 * 
 * Call stack:
 *     ebuild.sh, line   93:  Called call-ebuildshell 'src_configure'
 *   environment, line  775:  Called src_configure
 *   environment, line 3221:  Called haskell-cabal_src_configure
 *   environment, line 2534:  Called cabal-configure
 *   environment, line  563:  Called die
 * The specific snippet of code:
 *       ./setup "$@" || die "setup configure failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-haskell/lens-9999'`,
 * the complete build log and the output of `emerge -pqv '=dev-haskell/lens-9999'`.
 * This ebuild used the following eclasses from overlays:
 *   /media/work/gentoo/var/lib/layman/haskell/eclass/haskell-cabal.eclass
 *   /media/work/gentoo/var/lib/layman/haskell/eclass/ghc-package.eclass
 * This ebuild is from an overlay named 'gentoo-haskell': '/media/work/gentoo/var/lib/layman/haskell/'
 * The complete build log is located at '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/temp/build.log'.
 * The ebuild environment file is located at '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/temp/environment'.
 * Working directory: '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999'
 * S: '/media/work/gentoo/var/tmp/portage/dev-haskell/lens-9999/work/lens-9999'
</pre>