From 63141c086a63e4af47f4b17eaad600d44e8933fb Mon Sep 17 00:00:00 2001
From: Nadia Holmquist Pedersen <nadia@nhp.sh>
Date: Thu, 28 Dec 2023 19:51:46 +0100
Subject: guard the default vcpkg directory against multiple CMake instances
 using it

---
 cmake/ConfigureVcpkg.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/ConfigureVcpkg.cmake b/cmake/ConfigureVcpkg.cmake
index 95cbcdb..be8f059 100644
--- a/cmake/ConfigureVcpkg.cmake
+++ b/cmake/ConfigureVcpkg.cmake
@@ -4,6 +4,7 @@ set(_DEFAULT_VCPKG_ROOT "${CMAKE_SOURCE_DIR}/vcpkg")
 set(VCPKG_ROOT "${_DEFAULT_VCPKG_ROOT}" CACHE STRING "The path to the vcpkg repository")
 
 if (VCPKG_ROOT STREQUAL "${_DEFAULT_VCPKG_ROOT}")
+    file(LOCK "${_DEFAULT_VCPKG_ROOT}" DIRECTORY GUARD FILE)
     FetchContent_Declare(vcpkg
         GIT_REPOSITORY "https://github.com/Microsoft/vcpkg.git"
         GIT_TAG 2023.12.12
-- 
cgit v1.2.3