From 4ad78224c989953cde21c77dd63345b9f722671b Mon Sep 17 00:00:00 2001
From: zhihaoy <43971430+zhihaoy@users.noreply.github.com>
Date: Fri, 22 Feb 2019 18:29:05 -0600
Subject: [docs] Show how to default VCPKG_TARGET_TRIPLET (#5346)

---
 docs/users/integration.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'docs')

diff --git a/docs/users/integration.md b/docs/users/integration.md
index 10f5574c1..6d56c7c70 100644
--- a/docs/users/integration.md
+++ b/docs/users/integration.md
@@ -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
-- 
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