catkin_make is not working

edit

Here is the error message:

sathish@sathish-Latitude-3410:~/catkin_ws$ catkin_make
Base path: /home/sathish/catkin_ws
Source space: /home/sathish/catkin_ws/src
Build space: /home/sathish/catkin_ws/build
Devel space: /home/sathish/catkin_ws/devel
Install space: /home/sathish/catkin_ws/install
####
#### Running command: "cmake /home/sathish/catkin_ws/src -DCATKIN_DEVEL_PREFIX=/home/sathish/catkin_ws/devel -DCMAKE_INSTALL_PREFIX=/home/sathish/catkin_ws/install -G Unix Makefiles" in "/home/sathish/catkin_ws/build"
####
 -- The CXX compiler identification is unknown
CMake Error at CMakeLists.txt:6 (project):
No CMAKE_CXX_COMPILER could be found.   
Tell CMake where to find the compiler by setting either the environment
variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
to the compiler, or to the compiler name if it is in the PATH.
-- Configuring incomplete, errors occurred!
See also "/home/sathish/catkin_ws/build/CMakeFiles/CMakeOutput.log".
See also "/home/sathish/catkin_ws/build/CMakeFiles/CMakeError.log".
Invoking "cmake" failed