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[vcpkg_check_features] Document variables set in the parent scope #16299

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[vcpkg_check_features] Document variables set in the parent scope #16299

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2 changes: 2 additions & 0 deletions docs/maintainers/vcpkg_check_features.md
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Expand Up @@ -48,6 +48,8 @@ Arguments passed to `FEATURES` and `INVERTED_FEATURES` are not validated to prev
If the same (`FEATURE_NAME`, `OPTION_NAME`) pair is passed to both lists,
two conflicting definitions are added to `OUT_FEATURE_OPTIONS`.

For each definition added to `OUT_FEATURE_OPTIONS`, the corresponding variable will also be set in
the parent scope, so they are immediately available after calling this function.

## Examples

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2 changes: 2 additions & 0 deletions scripts/cmake/vcpkg_check_features.cmake
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Expand Up @@ -49,6 +49,8 @@ Arguments passed to `FEATURES` and `INVERTED_FEATURES` are not validated to prev
If the same (`FEATURE_NAME`, `OPTION_NAME`) pair is passed to both lists,
two conflicting definitions are added to `OUT_FEATURE_OPTIONS`.

For each definition added to `OUT_FEATURE_OPTIONS`, the corresponding variable will also be set in
the parent scope, so they are immediately available after calling this function.

## Examples

Expand Down