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An Introduction to GCC - for the GNU compilers gcc and g++
by Brian J. Gough, foreword by Richard M. Stallman
Paperback (6"x9"), 144 pages
ISBN 0954161793
RRP £12.95 ($19.95)

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11.1 An overview of the compilation process

The sequence of commands executed by a single invocation of GCC consists of the following stages:

As an example, we will examine these compilation stages individually using the Hello World program ‘hello.c’:

#include <stdio.h>

main (void)
  printf ("Hello, world!\n");
  return 0;

Note that it is not necessary to use any of the individual commands described in this section to compile a program. All the commands are executed automatically and transparently by GCC internally, and can be seen using the -v option described earlier (see section 9.3 Verbose compilation). The purpose of this chapter is to provide an understanding of how the compiler works.

Although the Hello World program is very simple it uses external header files and libraries, and so exercises all the major steps of the compilation process.

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