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|
name: feature
long_name: Feature option object
since: 0.47.0
description: Meson object representing a [`feature` options](Build-options.md#features)
methods:
- name: enabled
returns: bool
description: Returns whether the feature was set to `'enabled'`
- name: disabled
returns: bool
description: Returns whether the feature was set to `'disabled'`
- name: auto
returns: bool
description: Returns whether the feature was set to `'auto'`
- name: allowed
since: 0.59.0
returns: bool
description: Returns whether the feature was set to `'enabled'` or `'auto'`
- name: disable_auto_if
since: 0.59.0
returns: feature
description: |
Returns the feature, with `'auto'` converted to `'disabled'` if value is true.
| Feature / Condition | `value = true` | `value = false` |
| ------------------- | -------------- | --------------- |
| Enabled | Enabled | Enabled |
| Disabled | Disabled | Disabled |
| Auto | Disabled | Auto |
posargs:
value:
type: bool
description: See the table above
- name: enable_auto_if
since: 1.1.0
returns: feature
description: |
Returns the feature, with `'auto'` converted to `'enabled'` if value is true.
| Feature / Condition | `value = true` | `value = false` |
| ------------------- | -------------- | --------------- |
| Enabled | Enabled | Enabled |
| Disabled | Disabled | Disabled |
| Auto | Enabled | Auto |
posargs:
value:
type: bool
description: See the table above
- name: require
returns: feature
since: 0.59.0
description: |
Returns the object itself if the value is true; an error if the object is
`'enabled'` and the value is false; a disabled feature if the object
is `'auto'` or `'disabled'` and the value is false.
example: |
`require` is useful to restrict the applicability of `'auto'` features,
for example based on other features or on properties of the host machine:
```
if get_option('directx').require(host_machine.system() == 'windows',
error_message: 'DirectX only available on Windows').allowed() then
src += ['directx.c']
config.set10('HAVE_DIRECTX', true)
endif
```
posargs:
value:
type: bool
description: The value to check
kwargs:
error_message:
type: str
default: "''"
description: The error Message to print if the check fails
|
