All project can be built using catkin compiling system.

mkdir -p myworkspace/src
cd myworkspace/src
git clone https://github.com/NumbNutN/presentation_9_2.git
mv ./presentation_9_2/* .
cd ../
catkin_make

example1

A simple example how the basic parts in a C/C++ compiling system : preprocessing, compilation, linking, loading work.

View the form of a translation unit after preprocessing:

g++ -E ./src/example1/src/main.cpp

example2

A simple ros project show how dynamic linking work and where your program find the dynamic libraries it need.

See reliable dynamic libraires of a executable

ldd ./devel/lib/example2/exec2

Remove the content in $LD_LIBRARY_PATH and run again

export LD_LIBRARY_PATH=""

./devel/lib/example2/exec2

example3

A simple example shows which signal cause your pragram exit when running.

example4

A simple example shows how to use debugger

gdb ./devel/lib/example4/exec4