Thank you for the suggestion.it worked.But when trying to build the file I was getting the following errors.Sorry for disturbing so much .I have so much to learn here. make[3]: Leaving directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' [ 87%] [ 87%] Built target rospack_genmsg_all Built target rosbuild_precompile make[3]: Entering directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' Scanning dependencies of target utm_odometry_node make[3]: Leaving directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' make[3]: Entering directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' [100%] Building CXX object CMakeFiles/utm_odometry_node.dir/src/utm_odometry_node.o /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:8:38: error: sensor_msgs/NavSatStatus.h: No such file or directory /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:9:35: error: sensor_msgs/NavSatFix.h: No such file or directory /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:19: error: ISO C++ forbids declaration of ‘sensor_msgs’ with no type /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:19: error: expected ‘,’ or ‘...’ before ‘::’ token /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp: In function ‘void callback(int)’: /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:20: error: ‘fix’ was not declared in this scope /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:20: error: ‘sensor_msgs’ is not a class or namespace /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:28: error: ‘fix’ was not declared in this scope In file included from /opt/ros/cturtle/ros/core/roslib/include/ros/serialization.h:33, from /opt/ros/cturtle/ros/core/roscpp/include/ros/publisher.h:34, from /opt/ros/cturtle/ros/core/roscpp/include/ros/node_handle.h:32, from /opt/ros/cturtle/ros/core/roscpp/include/ros/ros.h:45, from /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:5: /opt/ros/cturtle/ros/core/roslib/include/ros/message_traits.h: In static member function ‘static const char* ros::message_traits::MD5Sum::value() [with M = int]’: /opt/ros/cturtle/ros/core/roslib/include/ros/message_traits.h:221: instantiated from ‘const char* ros::message_traits::md5sum() [with M = int]’ /opt/ros/cturtle/ros/core/roscpp/include/ros/subscribe_options.h:88: instantiated from ‘void ros::SubscribeOptions::initByFullCallbackType(const std::string&, uint32_t, const boost::function&, const boost::function::Message>()>&) [with P = int]’ /opt/ros/cturtle/ros/core/roscpp/include/ros/node_handle.h:534: instantiated from ‘ros::Subscriber ros::NodeHandle::subscribe(const std::string&, uint32_t, void (*)(M), const ros::TransportHints&) [with M = int]’ /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:83: instantiated from here /opt/ros/cturtle/ros/core/roslib/include/ros/message_traits.h:114: error: ‘__s_getMD5Sum’ is not a member of ‘int’ /opt/ros/cturtle/ros/core/roslib/include/ros/message_traits.h: In static member function ‘static const char* ros::message_traits::DataType::value() [with M = int]’: /opt/ros/cturtle/ros/core/roslib/include/ros/message_traits.h:230: instantiated from ‘const char* ros::message_traits::datatype() [with M = int]’ /opt/ros/cturtle/ros/core/roscpp/include/ros/subscribe_options.h:89: instantiated from ‘void ros::SubscribeOptions::initByFullCallbackType(const std::string&, uint32_t, const boost::function&, const boost::function::Message>()>&) [with P = int]’ /opt/ros/cturtle/ros/core/roscpp/include/ros/node_handle.h:534: instantiated from ‘ros::Subscriber ros::NodeHandle::subscribe(const std::string&, uint32_t, void (*)(M), const ros::TransportHints&) [with M = int]’ /opt/ros/cturtle/stacks/gps_umd/gps_common/src/utm_odometry_node.cpp:83: instantiated from here /opt/ros/cturtle/ros/core/roslib/include/ros/message_traits.h:131: error: ‘__s_getDataType’ is not a member of ‘int’ make[3]: *** [CMakeFiles/utm_odometry_node.dir/src/utm_odometry_node.o] Error 1 make[3]: Leaving directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' make[2]: *** [CMakeFiles/utm_odometry_node.dir/all] Error 2 make[2]: Leaving directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' make[1]: *** [all] Error 2 make[1]: Leaving directory `/opt/ros/cturtle/stacks/gps_umd/gps_common/build' -------------------------------------------------------------------------------} [ rosmake ] Output from build of package gps_common written to: [ rosmake ] /home/avinash/.ros/rosmake/rosmake_output-20110210-011650/gps_common/build_output.log [rosmake-1] Finished <<< gps_common [FAIL] [ 12.90 seconds ] [ rosmake ] Halting due to failure in package gps_common. [ rosmake ] Waiting for other threads to complete. [ rosmake ] Results: [ rosmake ] Built 24 packages with 1 failures. [ rosmake ] Summary output to directory Thanking you.. On Thu, Feb 10, 2011 at 12:53 AM, Prasad Dixit wrote: > > Hello Avinash, > > It seems you do not have sufficient privilege to create directories. > Please try this: > sudo chmod -R 0777 > > and then make it. > Prasad Dixit > -- > View this message in context: > http://ros-users.122217.n3.nabble.com/Unable-to-download-Source-code-from-umd-ros-pkg-tp2464108p2464476.html > Sent from the ROS-Users mailing list archive at Nabble.com. > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > -- Regards Avinash Thiruvayipati Graduate Student Electrical Engineering Arizona State University 734-985-1155