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authorMarc Chevrier <marc.chevrier@gmail.com>2020-03-14 16:20:49 (GMT)
committerMarc Chevrier <marc.chevrier@gmail.com>2020-03-23 09:29:58 (GMT)
commitf034b0f66338f37d4f637916cc42b9c4a4f30a32 (patch)
tree1c4fead35ad677f82cc9fd7e837c773b00bbbf61 /Source/cmSystemTools.cxx
parent7099db5dd48d36e5d39ab17219278d834c8a88a7 (diff)
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CMake compilation: do not use compiler extensions
For now, compiler extensions are no longer activated on CMake sources. However these extensions are still used for various third parties. This MR is a partial answer to the issue #20454.
Diffstat (limited to 'Source/cmSystemTools.cxx')
-rw-r--r--Source/cmSystemTools.cxx10
1 files changed, 10 insertions, 0 deletions
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index d8cd705..81f76ca 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -1,5 +1,15 @@
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
+
+#if !defined(_WIN32) && !defined(__sun)
+// POSIX APIs are needed
+# define _POSIX_C_SOURCE 200809L
+#endif
+#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
+// For isascii
+# define _XOPEN_SOURCE 700
+#endif
+
#include "cmSystemTools.h"
#include <cmext/algorithm>