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name: build_machine
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long_name: Build machine information
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description: |
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Provides information about the build machine -- the machine that is doing the actual compilation.
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See [Cross-compilation](Cross-compilation.md).
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Currently, these values are populated using
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[`platform.system()`](https://docs.python.org/3.7/library/platform.html#platform.system) and
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[`platform.machine()`](https://docs.python.org/3.7/library/platform.html#platform.machine).
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If you think the returned values for any of these are incorrect for
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your system or CPU, or if your OS is not in the linked table, please
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[file a bug](https://github.com/mesonbuild/meson/issues/new) report
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with details and we'll look into it.
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methods:
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- name: cpu_family
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returns: str
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description: |
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Returns the CPU family name.
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[This table](Reference-tables.md#cpu-families) contains
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all known CPU families. These are guaranteed to continue working.
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- name: cpu
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returns: str
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description: Returns a more specific CPU name, such as `i686`, `armv8l`, etc.
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- name: system
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returns: str
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description: |
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Returns the operating system name.
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[This table](Reference-tables.md#operating-system-names) Lists
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all of the currently known Operating System names, these are
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guaranteed to continue working.
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- name: endian
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returns: str
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description: returns `'big'` on big-endian systems and `'little'` on little-endian systems.
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- name: kernel
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returns: str
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since: 1.2.0
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description: |
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Returns the name of the Operating System Kernel, such as `linux`, `xnu`, and
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`nt`. [See here for more complete
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list](Reference-tables.md#kernel-names-since-120) These are more specific
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than `system`. If this cannot be detected (for the build machine), or is not
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set in the cross file (for the host machine when cross compiling), calling
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this method is fatal.
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- name: subsystem
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returns: str
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since: 1.2.0
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description: |
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Returns the variant of the operating system, such as `ios` and `tvos`. [See
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here for more complete list](Reference-tables.md#kernel-names-since-120)
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These are more specific than `system`. If this cannot be detected (for the
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build machine), or is not set in the cross file (for the host machine when
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cross compiling), calling this method is fatal.
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