compile guide.md

How to Compile C/ C++

Compile C program using gcc compiler

• Step 1. Compile the program.

gcc -o hello hello.c

This command will invoke the GNU C compiler to compile the file hello.c and output (-o) the result to an executable called hello.

• Step 2. Execute the program.

./hello

This should result in the output

Hello World

• Step 3. (Optional)

In order to avoid the ./ prefix each time a program is to be executed, insert the following as the last line in the file .profile (located in your home folder):

export `PATH=.:$PATH`

This step needs only to be done only once.

Compile C++ program using g++ compiler

• Step 1. After you have saved the program file, type the command to compile:

g++ program.cc –o program

• Step 2. To run the program, type:

./program