From 11d21c1c4e7028570e78c134b36187dbf03aaa4e Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 22 Oct 2020 10:20:45 -0400
Subject: CTest: Avoid invoking external tool to get the host name

Populate the SITE cache entry using an internal query instead.
---
 Modules/CTest.cmake | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Modules/CTest.cmake b/Modules/CTest.cmake
index 8109108..ca9fcf5 100644
--- a/Modules/CTest.cmake
+++ b/Modules/CTest.cmake
@@ -194,7 +194,14 @@ if(BUILD_TESTING)
     "Extra command line flags to pass to the coverage tool")
 
   # set the site name
-  site_name(SITE)
+  if(COMMAND cmake_host_system_information)
+    cmake_host_system_information(RESULT _ctest_hostname QUERY HOSTNAME)
+    set(SITE "${_ctest_hostname}" CACHE STRING "Name of the computer/site where compile is being run")
+    unset(_ctest_hostname)
+  else()
+    # This code path is needed for CMake itself during bootstrap.
+    site_name(SITE)
+  endif()
   # set the build name
   if(NOT BUILDNAME)
     set(DART_COMPILER "${CMAKE_CXX_COMPILER}")
-- 
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