-- The C compiler identification is GNU 4.7.2
-- The CXX compiler identification is unknown
-- 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
CMake Error: your CXX compiler: "CMAKE_CXX_COMPILER-NOTFOUND" was not found.   Please set CMAKE_CXX_COMPILER to a valid compiler path or name.
CMake Warning (dev) at CMakeLists.txt:17 (file):
  Policy CMP0009 is not set: FILE GLOB_RECURSE calls should not follow
  symlinks by default.  Run "cmake --help-policy CMP0009" for policy details.
  Use the cmake_policy command to set the policy and suppress this warning.
This warning is for project developers.  Use -Wno-dev to suppress it.