catkin version of the hector_slam package: mapping issue

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Hi,

I am new to ROS. I have been trying to work with hector_slam tutorial for logged data and I noticed that the catkin version of the hector_slam does not give good mapping results as compared to the hector_slam installation using package manager (sudo apt-get install ros-indigo-hector-slam). There is a significant difference in the scan matching .I am using the default tutorial.launch given in the github without any change. The trajectory of the robot is also different, which I believe is due to the scan mismatch.

Am I missing something here or is this a known issue? I also tried replacing the hector_mapping executable in the catkin_HS/devel/lib/ directory from the /opt/ros/indigo/lib/hector_mapping and it works fine.

To build the catkin package I followed:

1. clone the hector_slam catkin stack from the github into src folder
2. catkin_make
3. Source the setup file in the workspace´s devel folder
4. roslaunch the tutorial.launch
5. Play the bag file provided in the tutorial tutorial
6. Save the geotiff node.

I also tried the wstool method described here. But the result does not improve. I dont have enough points to attach the images.

update: I am using Dual core CPU @2.60GHz with 4 GB RAM with 60 GB disk space (dual boot with windows). OS: 64 bit Ubuntu 14.04.I had the same issue with other machine with i7 processor 4GB RAM(dual boot). I am building without optimization (catkin_make).

Thanks in advance,