The Gnu C Compiler

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  • 1. The GNU C Compiler José Dapena Paz
  • 2. The GNU C Compiler Tutorial based on this book: An introduction to GCC for the GNU Compilers gcc and g++ Brian Gough This is available on network. More information on: http://www.network-theory.co.uk/gcc/intro/
  • 3. Goals of this tutorial ● Understand how to compile a program. ● Use basic compiler options for optimisation and debugging.
  • 4. Compiling a C program Compiling a C program: $ gcc -Wall hello.c -o hello Recommendation: use always -Wall: ● Nested comments ● Incorrect printf/scanf formats ● Unused variables ● Usage of implicit (non-declared) functions ● Function return types. ● Other checks... (see GCC reference manual).