Definitely Guide to GCC, Second Edition has been revised to reflect changes made in the main GCC's most recent release, version 4. Providing in-depth information on GCC large array of features and options, and introduce the essential tools such as autoconf, gprof, and libtool, this book functions as both a guide and reference. This book is beyond a general introduction to GCC and covers key programming techniques such as profiling and optimization that, when used in conjunction with advanced features that the GCC, is to improve application performance.