From 94c6295db1c7ae759b466d4fb06f25b889ac888b Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 22 Oct 2020 10:20:08 -0400
Subject: Help: Document site_name command use of HOSTNAME variable

---
 Help/command/site_name.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Help/command/site_name.rst b/Help/command/site_name.rst
index 1bcaead..09b5a9f 100644
--- a/Help/command/site_name.rst
+++ b/Help/command/site_name.rst
@@ -6,3 +6,7 @@ Set the given variable to the name of the computer.
 .. code-block:: cmake
 
   site_name(variable)
+
+On UNIX-like platforms, if the variable ``HOSTNAME`` is set, its value
+will be executed as a command expected to print out the host name,
+much like the ``hostname`` command-line tool.
-- 
cgit v0.12


From 3f3762856fbe56a244ad45995e37b3318e80b119 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 22 Oct 2020 10:12:51 -0400
Subject: Tests: Add case verifying CTest module SITE variable

---
 Tests/RunCMake/CTest/RunCMakeTest.cmake | 1 +
 Tests/RunCMake/CTest/Site.cmake         | 5 +++++
 2 files changed, 6 insertions(+)
 create mode 100644 Tests/RunCMake/CTest/Site.cmake

diff --git a/Tests/RunCMake/CTest/RunCMakeTest.cmake b/Tests/RunCMake/CTest/RunCMakeTest.cmake
index ffc8f78..b81f319 100644
--- a/Tests/RunCMake/CTest/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CTest/RunCMakeTest.cmake
@@ -5,6 +5,7 @@ run_cmake(BeforeProject)
 unset(RunCMake_TEST_OPTIONS)
 
 run_cmake(NotOn)
+run_cmake(Site)
 
 function(run_CMakeCTestArguments)
   run_cmake_with_options(CMakeCTestArguments "-DCMAKE_CTEST_ARGUMENTS=--quiet\\;--output-log\\;output-log.txt")
diff --git a/Tests/RunCMake/CTest/Site.cmake b/Tests/RunCMake/CTest/Site.cmake
new file mode 100644
index 0000000..2c96f23
--- /dev/null
+++ b/Tests/RunCMake/CTest/Site.cmake
@@ -0,0 +1,5 @@
+include(CTest)
+get_property(site CACHE SITE PROPERTY VALUE)
+if(NOT "${site}" STREQUAL "${SITE}")
+  message(FATAL_ERROR "SITE is not a cache entry")
+endif()
-- 
cgit v0.12


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}")
-- 
cgit v0.12