From 385471a75453a3f69ed0898a3d6a14cda5a2e43e Mon Sep 17 00:00:00 2001
From: Scott Hart <sdhart@google.com>
Date: Thu, 29 Jan 2026 13:27:33 -0500
Subject: [PATCH] set standard in ps1 files

---
 ci/kokoro/windows/builds/cmake.ps1            | 1 +
 ci/kokoro/windows/builds/quickstart-cmake.ps1 | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/ci/kokoro/windows/builds/cmake.ps1 b/ci/kokoro/windows/builds/cmake.ps1
index 75f3bf8772e2a..a4d1eef91ef31 100644
--- a/ci/kokoro/windows/builds/cmake.ps1
+++ b/ci/kokoro/windows/builds/cmake.ps1
@@ -102,6 +102,7 @@ $cmake_args=@(
     "-DVCPKG_OVERLAY_TRIPLETS=${project_root}/ci/kokoro/windows/triplets",
     "-DCMAKE_C_COMPILER=cl.exe",
     "-DCMAKE_CXX_COMPILER=cl.exe",
+    "-DCMAKE_CXX_STANDARD=17",
     "-DGOOGLE_CLOUD_CPP_ENABLE_WERROR=ON",
     "-DGOOGLE_CLOUD_CPP_ENABLE_CTYPE_CORD_WORKAROUND=ON",
     "-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded$<$<CONFIG:Debug>:Debug>",
diff --git a/ci/kokoro/windows/builds/quickstart-cmake.ps1 b/ci/kokoro/windows/builds/quickstart-cmake.ps1
index a20e85fc64144..7c85b5b575c0f 100644
--- a/ci/kokoro/windows/builds/quickstart-cmake.ps1
+++ b/ci/kokoro/windows/builds/quickstart-cmake.ps1
@@ -85,7 +85,8 @@ $cmake_args=@(
     "-DCMAKE_TOOLCHAIN_FILE=`"${vcpkg_root}/scripts/buildsystems/vcpkg.cmake`"",
     "-DCMAKE_BUILD_TYPE=${env:CONFIG}",
     "-DVCPKG_TARGET_TRIPLET=${env:VCPKG_TRIPLET}",
-    "-DCMAKE_CXX_COMPILER=cl.exe"
+    "-DCMAKE_CXX_COMPILER=cl.exe",
+    "-DCMAKE_CXX_STANDARD=17"
 )
 
 Write-Host "$(Get-Date -Format o) Configuring CMake with $cmake_args"