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NOTE: CentOS Enterprise Linux is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux.

3.2. Compile, Assemble, and Link from Source Code

To compile the code, use the following command:

gcc -g hello.c -o hello

The -g option generates debugging information and -o specifies the name of the executable to be produced. Both of these can be omitted. Other useful options include -O to enable standard optimizations and -O2 for extensive optimizations. If no -O is specified, GCC will not optimize.

See Using the GNU Compiler Collection (GCC) for additional basic compiler information.

  Published under the terms of the GNU General Public License Design by Interspire