From 9716520a74c8f43b07b6161b96f1c8e23d596553 Mon Sep 17 00:00:00 2001
From: Olek Raymond <123381967+OlekRaymond@users.noreply.github.com>
Date: Mon, 14 Jul 2025 11:49:32 +0000
Subject: [PATCH 1/2] Makes Windows build fail earlier with more descriptive
 error message

---
 .gitignore     | 2 ++
 CMakeLists.txt | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/.gitignore b/.gitignore
index 8c27e3e1b..22eb8433c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *~
 *.so
 /src/tools/simple-kernel-timer/kp_reader
+# Expected build dir
+/build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc3b1e63b..018b48018 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,11 @@ cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
 
 project(KokkosTools CXX)
 
+# Users cannot use Kokkos tools on windows, we want to test things on windows/msvc however
+if(WIN32 AND NOT DEFINED KOKKOS_TOOLS_TEST_WINDOWS)
+  message(FATAL_ERROR "Kokkos tools is not supported on Windows, please attempt to profile on expected hardware")
+endif()
+
 if(NOT DEFINED CMAKE_CXX_STANDARD)
   set(CMAKE_CXX_STANDARD 17)
 endif()

From 66e52de192f4ef16481d1b38fe61779ae35e5ae9 Mon Sep 17 00:00:00 2001
From: Olek Raymond <123381967+OlekRaymond@users.noreply.github.com>
Date: Mon, 14 Jul 2025 15:17:36 +0000
Subject: [PATCH 2/2] Addresses review comments

---
 .gitignore | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 22eb8433c..8c27e3e1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,3 @@
 *~
 *.so
 /src/tools/simple-kernel-timer/kp_reader
-# Expected build dir
-/build