2018-12-13 01:22:16 +08:00
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## Environment and Configuration
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### Environment Variables
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#### VCPKG_DOWNLOADS
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This environment variable can be set to an existing directory to use for storing downloads instead of the internal
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`downloads/` directory. It should always be set to an absolute path.
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#### VCPKG_FEATURE_FLAGS
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This environment variable can be set to a comma-separated list of off-by-default features in vcpkg. These features are
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subject to change without notice and should be considered highly unstable.
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Non-exhaustive list of off-by-default features:
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- `binarycaching`
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#### EDITOR
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This environment variable can be set to the full path of an executable to be used for `vcpkg edit`. Please see
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`vcpkg help edit` for command-specific help.
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#### VCPKG_ROOT
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This environment variable can be set to a directory to use as the root of the vcpkg instance. Note that mixing vcpkg
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repo versions and executable versions can cause issues.
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2019-02-26 05:25:27 +08:00
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#### VCPKG_VISUAL_STUDIO_PATH
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2018-12-13 01:22:16 +08:00
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This environment variable can be set to the full path to a Visual Studio instance on the machine. This Visual Studio instance
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will be used if the triplet does not override it via the [`VCPKG_VISUAL_STUDIO_PATH` triplet setting](triplets.md#VCPKG_VISUAL_STUDIO_PATH).
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Example: `D:\2017`
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#### VCPKG_DEFAULT_TRIPLET
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This environment variable can be set to a triplet name which will be used for unqualified triplet references in command lines.
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#### VCPKG_FORCE_SYSTEM_BINARIES
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This environment variable, if set, suppresses the downloading of CMake and Ninja and forces the use of the system binaries.
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