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| -rw-r--r-- | docs/markdown/snippets/feature_new.md | 32 |
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diff --git a/docs/markdown/snippets/feature_new.md b/docs/markdown/snippets/feature_new.md new file mode 100644 index 0000000..7480634 --- /dev/null +++ b/docs/markdown/snippets/feature_new.md @@ -0,0 +1,32 @@ +## Feature detection based on meson_version in project() + +Meson will now print a `WARNING:` message during configuration if you use +a function or a keyword argument that was added in a meson version that's newer +than the version specified inside `project()`. For example: + +```meson +project('featurenew', meson_version: '>=0.43') + +cdata = configuration_data() +cdata.set('FOO', 'bar') +message(cdata.get_unquoted('FOO')) +``` + +This will output: + +``` +The Meson build system +Version: 0.47.0.dev1 +Source dir: C:\path\to\srctree +Build dir: C:\path\to\buildtree +Build type: native build +Project name: featurenew +Project version: undefined +Build machine cpu family: x86_64 +Build machine cpu: x86_64 +WARNING: Project targetting '>=0.43' but tried to use feature introduced in '0.44.0': get_unquoted +Message: bar +Build targets in project: 0 +Minimum version of features used: +0.44.0: {'get_unquoted'} +``` |