Eclipse is integrated with the Gnu C/C++ and Intel C/C++ compilers.
To choose the compiler, from the File menu (in the C/C++ perspective) choose
New -> Project... In the next window, choose the C/Managed Make C Project
or C/Standard Make C Project wizard. Give the project the name that you
desire and select the directory where the source files are. Then click the
next> button at the bottom of the window. In the next window
that appears, use the popup menu near the top to select the compiler and type of
project you desire. Then click the finish button.