From fc5b7905ed8e2ddc45de1cabe0f9dbd8c1484dbb Mon Sep 17 00:00:00 2001
From: KWSys Upstream <kwrobot@kitware.com>
Date: Wed, 2 Jun 2021 07:24:05 -0400
Subject: KWSys 2021-06-02 (ad35b3ba)

Code extracted from:

    https://gitlab.kitware.com/utils/kwsys.git

at commit ad35b3bae42fe21b8ea1d35799c8f141c9d5a2ec (master).

Upstream Shortlog
-----------------

Adriaan de Groot (1):
      e65c5693 testSystemTools: apply root-check to more systems
---
 testSystemTools.cxx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/testSystemTools.cxx b/testSystemTools.cxx
index 700eaf7..39a19cb 100644
--- a/testSystemTools.cxx
+++ b/testSystemTools.cxx
@@ -332,9 +332,10 @@ static bool CheckFileOperations()
 
   // While we're at it, check proper TestFileAccess functionality.
   bool do_write_test = true;
-#if defined(__linux__)
-  // If we are running as root on linux ignore this check, as
-  // root can always write to files
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) ||     \
+  defined(__NetBSD__) || defined(__DragonFly__)
+  // If we are running as root on POSIX-ish systems (Linux and the BSDs,
+  // at least), ignore this check, as root can always write to files.
   do_write_test = (getuid() != 0);
 #endif
   if (do_write_test &&
-- 
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