CPU FLAGS X86/ru

CPU_FLAGS_X86 is Article description::an USE_EXPAND variable containing instruction set and other CPU-specific features.

Previous USE flags corresponding to the instruction sets and other features specific to the / architecture are being moved into a separate USE_EXPAND variable called CPU_FLAGS_X86.

Оптимизация
Чтобы не потерять специфичные для процессора оптимизации, пользователи должны будут обновить файл (и возможно ). Например, если присутствовали следующие USE-флаги:

Those flags need to be copied to a newly created CPU_FLAGS_X86 variable:

When in doubt, consult the flag descriptions using one of the commonly available tools, e.g. from :

Most of the flag names match names, with the notable exception of   which is called   in  (please also do not confuse it with distinct  ).

To help users enable the correct USE flags, a Python script is provided that generates the correct value using. It can be found in the package.

Saving deprecated USE flags
In order to ensure safe migration and maintain compatibility with external repositories, it is recommended to preserve the old USE settings for a period of one year or until no package of interest is still using them.

Вызов
Версия 1 или 2:

Версия 3 или выше:

Example to apply globally:

Смотрите также

 * /etc/portage/make.conf

Внешние ресурсы

 * https://packages.gentoo.org/useflags/search?q=cpu_flags_x86 - A online package search for all packages that make use of CPU_FLAGS_X86 values.