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authorKitware Robot <kwrobot@kitware.com>2020-08-29 20:27:37 (GMT)
committerKyle Edwards <kyle.edwards@kitware.com>2020-09-03 13:30:21 (GMT)
commitbdca8b01d2d96d63e685e7eca03e0f51f5410fdf (patch)
treef7e14aa6967bd3981b0bff21c4f0e113de275fb3 /Utilities/cm3p/kwiml
parent093ba4061da68d8c86a09b3631767912ffb183e2 (diff)
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Modernize: Use #pragma once in all header files
#pragma once is a widely supported compiler pragma, even though it is not part of the C++ standard. Many of the issues keeping #pragma once from being standardized (distributed filesystems, build farms, hard links, etc.) do not apply to CMake - it is easy to build CMake on a single machine. CMake also does not install any header files which can be consumed by other projects (though cmCPluginAPI.h has been deliberately omitted from this conversion in case anyone is still using it.) Finally, #pragma once has been required to build CMake since at least August 2017 (7f29bbe6 enabled server mode unconditionally, which had been using #pragma once since September 2016 (b13d3e0d)). The fact that we now require C++11 filters out old compilers, and it is unlikely that there is a compiler which supports C++11 but does not support #pragma once.
Diffstat (limited to 'Utilities/cm3p/kwiml')
-rw-r--r--Utilities/cm3p/kwiml/abi.h5
-rw-r--r--Utilities/cm3p/kwiml/int.h5
2 files changed, 2 insertions, 8 deletions
diff --git a/Utilities/cm3p/kwiml/abi.h b/Utilities/cm3p/kwiml/abi.h
index 6d0dedf..8d5189a 100644
--- a/Utilities/cm3p/kwiml/abi.h
+++ b/Utilities/cm3p/kwiml/abi.h
@@ -1,7 +1,6 @@
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
-#ifndef cm3p_kwiml_abi_h
-#define cm3p_kwiml_abi_h
+#pragma once
/* Use the KWIML library configured for CMake. */
#include "cmThirdParty.h"
@@ -10,5 +9,3 @@
#else
# include <KWIML/include/kwiml/abi.h> // IWYU pragma: export
#endif
-
-#endif
diff --git a/Utilities/cm3p/kwiml/int.h b/Utilities/cm3p/kwiml/int.h
index 4c7c23d..2669df8 100644
--- a/Utilities/cm3p/kwiml/int.h
+++ b/Utilities/cm3p/kwiml/int.h
@@ -1,7 +1,6 @@
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
-#ifndef cm3p_kwiml_int_h
-#define cm3p_kwiml_int_h
+#pragma once
/* Use the KWIML library configured for CMake. */
#include "cmThirdParty.h"
@@ -10,5 +9,3 @@
#else
# include <KWIML/include/kwiml/int.h> // IWYU pragma: export
#endif
-
-#endif