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2015-08-07 09:47:05 -0600 commented question eigen3 missing error during ROS installation

Hi I have eigen installed . The installed version is 3.2.4

2015-08-06 19:45:05 -0600 asked a question eigen3 missing error during ROS installation

Hi I'm trying to install ROS on my MAC suing homebrew.While installtion I got this message :

 CMake Error at CMakeLists.txt:7 (find_package):
  By not providing "FindEigen3.cmake" in CMAKE_MODULE_PATH this project has
 asked CMake to find a package configuration file provided by "Eigen3", but
  CMake did not find one
 Could not find a package configuration file provided by "Eigen3" with any
 of the following names:
Eigen3Config.cmake
eigen3-config.cmake
 Add the installation prefix of "Eigen3" to CMAKE_PREFIX_PATH or set
 "Eigen3_DIR" to a directory containing one of the above files.  If "Eigen3"
provides a separate development package or SDK, be sure it has been
installed.
-- Configuring incomplete, errors occurred!
See also "/Users/Jishnu/ros_catkin_ws/build_isolated/pcl_ros/CMakeFiles/CMakeOutput.log".
<== Failed to process package 'pcl_ros': 
 Command '['/Users/Jishnu/ros_catkin_ws/install_isolated/env.sh', 'cmake',      '/Users/Jishnu/ros_catkin_ws/src/perception_pcl/pcl_ros', '-  DCATKIN_DEVEL_PREFIX=/Users/Jishnu/ros_catkin_ws/devel_isolated/pcl_ros', '-DCMAKE_INSTALL_PREFIX=/Users/Jishnu/ros_catkin_ws/install_isolated', '-DCMAKE_BUILD_TYPE=Release', '-G', 'Unix Makefiles']' returned non-zero exit status 1

I'M a beginner in ROS, so could someone please help me out with this.