#ifndef __LINUX_COMPILER_H
  #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
  #endif

  #if GCC_VERSION < 30200

  # error Sorry, your compiler is too old - please upgrade it.
  #endif

  #if GCC_VERSION >= 30300

  # define __used			__attribute__((__used__))

  #else

  # define __used			__attribute__((__unused__))

  #endif

  #if GCC_VERSION >= 30400

  #define __must_check		__attribute__((warn_unused_result))
  #endif

  #ifdef CONFIG_GCOV_KERNEL

  # if GCC_VERSION < 30400

  #   error "GCOV profiling support for gcc versions below 3.4 not included"
  # endif /* __GNUC_MINOR__ */
  #endif /* CONFIG_GCOV_KERNEL */