[mlpack] Can't configure build

[Alexander Gorban]

Hi,

I'm trying to compile mlpack-1.0.4, but can't configure build using 
cmake. I got this error:
$ cmake ../
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
CMake Error at 
/usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:91 
(MESSAGE):
   Could NOT find Armadillo (missing: ARMADILLO_LIBRARY) (found suitable
   version "2.4.2", required is "2.4.2")
Call Stack (most recent call first):
/usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:252 
(_FPHSA_FAILURE_MESSAGE)
   /usr/share/cmake-2.8/Modules/FindArmadillo.cmake:79 
(find_package_handle_standard_args)
   CMakeLists.txt:60 (find_package)

I compiled and installed armadillo-2.4.2 from soureces with out issues. 
What is wrong with it?

thanks.