From d6299d9941644e1bb36d274597e53a4c9e12f3bf Mon Sep 17 00:00:00 2001
From: Alex Turbov <i.zaufi@gmail.com>
Date: Wed, 28 Jul 2021 01:53:22 +0300
Subject: Refactor: Run CPU/OS/Memory tests once on first run

---
 Source/cmCMakeHostSystemInformationCommand.cxx | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Source/cmCMakeHostSystemInformationCommand.cxx b/Source/cmCMakeHostSystemInformationCommand.cxx
index 0550568..10c0714 100644
--- a/Source/cmCMakeHostSystemInformationCommand.cxx
+++ b/Source/cmCMakeHostSystemInformationCommand.cxx
@@ -45,10 +45,14 @@ bool cmCMakeHostSystemInformationCommand(std::vector<std::string> const& args,
     return false;
   }
 
-  cmsys::SystemInformation info;
-  info.RunCPUCheck();
-  info.RunOSCheck();
-  info.RunMemoryCheck();
+  static cmsys::SystemInformation info;
+  static auto initialized = false;
+  if (!initialized) {
+    info.RunCPUCheck();
+    info.RunOSCheck();
+    info.RunMemoryCheck();
+    initialized = true;
+  }
 
   std::string result_list;
   for (size_t i = current_index + 1; i < args.size(); ++i) {
-- 
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