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[docs] Show how to default VCPKG_TARGET_TRIPLET (#5346)

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zhihaoy 2019-02-22 18:29:05 -06:00 committed by Phil Christensen
parent 9c8a159199
commit 4ad78224c9
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9
docs/users/integration.md
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@ -135,9 +135,16 @@ To override the automatically chosen [triplet][], you can specify the MSBuild pr
```
#### With CMake
Simply set `VCPKG_TARGET_TRIPLET` on the configure line.
You can set `VCPKG_TARGET_TRIPLET` on the configure line:
```no-highlight
cmake ../my/project -DVCPKG_TARGET_TRIPLET=x64-windows-static -DCMAKE_TOOLCHAIN_FILE=...
```
If you use `VCPKG_DEFAULT_TRIPLET` [environment variable](config-environment.md) to contoll the unqualified triplet in vcpkg command lines you can default `VCPKG_TARGET_TRIPLET` in CMake like [Using an environment variable instead of a command line option](#using-an-environment-variable-instead-of-a-command-line-option):
```cmake
if(DEFINED ENV{VCPKG_DEFAULT_TRIPLET} AND NOT DEFINED VCPKG_TARGET_TRIPLET)
set(VCPKG_TARGET_TRIPLET "$ENV{VCPKG_DEFAULT_TRIPLET}" CACHE STRING "")
endif()
```
[triplet]: triplets.md