From 01c7d9ce863d6f8bcae578b500dd2e8ba2d97967 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 19 Nov 2018 13:20:40 -0500
Subject: IRSL: Detect versioned Windows Universal CRT directories

Windows SDK version 10.0.17763.0 now places the uCRT libraries in a
versioned directory.

Fixes: #18603
---
 Modules/InstallRequiredSystemLibraries.cmake | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/Modules/InstallRequiredSystemLibraries.cmake b/Modules/InstallRequiredSystemLibraries.cmake
index 4ecba05..b5e5d69 100644
--- a/Modules/InstallRequiredSystemLibraries.cmake
+++ b/Modules/InstallRequiredSystemLibraries.cmake
@@ -302,7 +302,15 @@ if(MSVC)
       get_filename_component(windows_kits_dir
         "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows Kits\\Installed Roots;KitsRoot10]" ABSOLUTE)
       set(programfilesx86 "ProgramFiles(x86)")
-      find_path(WINDOWS_KITS_DIR NAMES Redist/ucrt/DLLs/${CMAKE_MSVC_ARCH}/ucrtbase.dll
+      if(";${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION};$ENV{UCRTVersion};$ENV{WindowsSDKVersion};" MATCHES [=[;(10\.[0-9.]+)[;\]]=])
+        set(__ucrt_version "${CMAKE_MATCH_1}/")
+      else()
+        set(__ucrt_version "")
+      endif()
+      find_path(WINDOWS_KITS_DIR
+        NAMES
+          Redist/${__ucrt_version}ucrt/DLLs/${CMAKE_MSVC_ARCH}/ucrtbase.dll
+          Redist/ucrt/DLLs/${CMAKE_MSVC_ARCH}/ucrtbase.dll
         PATHS
         $ENV{CMAKE_WINDOWS_KITS_10_DIR}
         "${windows_kits_dir}"
@@ -313,11 +321,19 @@ if(MSVC)
 
       # Glob the list of UCRT DLLs.
       if(NOT CMAKE_INSTALL_DEBUG_LIBRARIES_ONLY)
-        file(GLOB __ucrt_dlls "${WINDOWS_KITS_DIR}/Redist/ucrt/DLLs/${CMAKE_MSVC_ARCH}/*.dll")
+        if(EXISTS "${WINDOWS_KITS_DIR}/Redist/${__ucrt_version}ucrt/DLLs/${CMAKE_MSVC_ARCH}/ucrtbase.dll")
+          file(GLOB __ucrt_dlls "${WINDOWS_KITS_DIR}/Redist/${__ucrt_version}ucrt/DLLs/${CMAKE_MSVC_ARCH}/*.dll")
+        else()
+          file(GLOB __ucrt_dlls "${WINDOWS_KITS_DIR}/Redist/ucrt/DLLs/${CMAKE_MSVC_ARCH}/*.dll")
+        endif()
         list(APPEND __install__libs ${__ucrt_dlls})
       endif()
       if(CMAKE_INSTALL_DEBUG_LIBRARIES)
-        file(GLOB __ucrt_dlls "${WINDOWS_KITS_DIR}/bin/${CMAKE_MSVC_ARCH}/ucrt/*.dll")
+        if(EXISTS "${WINDOWS_KITS_DIR}/bin/${__ucrt_version}${CMAKE_MSVC_ARCH}/ucrt/ucrtbased.dll")
+          file(GLOB __ucrt_dlls "${WINDOWS_KITS_DIR}/bin/${__ucrt_version}${CMAKE_MSVC_ARCH}/ucrt/*.dll")
+        else()
+          file(GLOB __ucrt_dlls "${WINDOWS_KITS_DIR}/bin/${CMAKE_MSVC_ARCH}/ucrt/*.dll")
+        endif()
         list(APPEND __install__libs ${__ucrt_dlls})
       endif()
     endif()
-- 
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