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39 lines
1.3 KiB
Markdown
39 lines
1.3 KiB
Markdown
# vcpkg_check_linkage
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The latest version of this document lives in the [vcpkg repo](https://github.com/Microsoft/vcpkg/blob/master/docs/maintainers/vcpkg_check_linkage.md).
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Asserts the available library and CRT linkage options for the port.
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## Usage
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```cmake
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vcpkg_check_linkage(
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[ONLY_STATIC_LIBRARY | ONLY_DYNAMIC_LIBRARY]
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[ONLY_STATIC_CRT | ONLY_DYNAMIC_CRT]
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)
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```
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## Parameters
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### ONLY_STATIC_LIBRARY
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Indicates that this port can only be built with static library linkage.
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Note: If the user requested a dynamic build ONLY_STATIC_LIBRARY will result in a note being printed, not a fatal error.
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### ONLY_DYNAMIC_LIBRARY
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Indicates that this port can only be built with dynamic/shared library linkage.
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### ONLY_STATIC_CRT
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Indicates that this port can only be built with static CRT linkage.
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### ONLY_DYNAMIC_CRT
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Indicates that this port can only be built with dynamic/shared CRT linkage.
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## Notes
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This command will either alter the settings for `VCPKG_LIBRARY_LINKAGE` or fail, depending on what was requested by the user versus what the library supports.
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## Examples
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* [abseil](https://github.com/Microsoft/vcpkg/blob/master/ports/abseil/portfile.cmake)
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## Source
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[scripts/cmake/vcpkg\_check\_linkage.cmake](https://github.com/Microsoft/vcpkg/blob/master/scripts/cmake/vcpkg_check_linkage.cmake)
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