From eda5bc26f44ee9a6f83dcf8c91f17296d7fc509d Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Mon, 12 Feb 2024 14:52:43 +0100
Subject: Move into version control

---
 .../include/armadillo_bits/compiler_check.hpp      | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 src/armadillo/include/armadillo_bits/compiler_check.hpp

(limited to 'src/armadillo/include/armadillo_bits/compiler_check.hpp')

diff --git a/src/armadillo/include/armadillo_bits/compiler_check.hpp b/src/armadillo/include/armadillo_bits/compiler_check.hpp
new file mode 100644
index 0000000..8a653d2
--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/compiler_check.hpp
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: Apache-2.0
+// 
+// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2008-2016 National ICT Australia (NICTA)
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+#undef ARMA_HAVE_CXX11
+#undef ARMA_HAVE_CXX14
+#undef ARMA_HAVE_CXX17
+#undef ARMA_HAVE_CXX20
+
+#if (__cplusplus >= 201103L)
+  #define ARMA_HAVE_CXX11
+#endif
+
+#if (__cplusplus >= 201402L)
+  #define ARMA_HAVE_CXX14
+#endif
+
+#if (__cplusplus >= 201703L)
+  #define ARMA_HAVE_CXX17
+#endif
+
+#if (__cplusplus >= 202002L)
+  #define ARMA_HAVE_CXX20
+#endif
+
+
+// MS really can't get its proverbial shit together
+#if defined(_MSVC_LANG)
+  
+  #if (_MSVC_LANG >= 201402L)
+    #undef  ARMA_HAVE_CXX11
+    #define ARMA_HAVE_CXX11
+    
+    #undef  ARMA_HAVE_CXX14
+    #define ARMA_HAVE_CXX14
+  #endif
+  
+  #if (_MSVC_LANG >= 201703L)
+    #undef  ARMA_HAVE_CXX17
+    #define ARMA_HAVE_CXX17
+  #endif
+  
+  #if (_MSVC_LANG >= 202002L)
+    #undef  ARMA_HAVE_CXX20
+    #define ARMA_HAVE_CXX20
+  #endif
+  
+#endif
+
+
+// warn about ignored option used in old versions of Armadillo
+#if defined(ARMA_DONT_USE_CXX11)
+  #pragma message ("WARNING: option ARMA_DONT_USE_CXX11 ignored")
+#endif
+
+
+#if !defined(ARMA_HAVE_CXX11)
+  #error "*** C++11 compiler required; enable C++11 mode in your compiler, or use an earlier version of Armadillo"
+#endif
+
+
+// for compatibility with earlier versions of Armadillo
+#undef  ARMA_USE_CXX11
+#define ARMA_USE_CXX11
-- 
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