1 files changed, 41 insertions, 0 deletions
diff --git a/share/cmake-3.18/Modules/TestForSTDNamespace.cmake b/share/cmake-3.18/Modules/TestForSTDNamespace.cmake
new file mode 100644
index 0000000..d101c83
--- /dev/null
+++ b/share/cmake-3.18/Modules/TestForSTDNamespace.cmake
@@ -0,0 +1,41 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+TestForSTDNamespace
+-------------------
+
+Test for std:: namespace support
+
+check if the compiler supports std:: on stl classes
+
+::
+
+  CMAKE_NO_STD_NAMESPACE - defined by the results
+#]=======================================================================]
+
+if(NOT DEFINED CMAKE_STD_NAMESPACE)
+  message(CHECK_START "Check for STD namespace")
+  try_compile(CMAKE_STD_NAMESPACE  ${CMAKE_BINARY_DIR}
+    ${CMAKE_ROOT}/Modules/TestForSTDNamespace.cxx
+    OUTPUT_VARIABLE OUTPUT)
+  if (CMAKE_STD_NAMESPACE)
+    message(CHECK_PASS "found")
+    set (CMAKE_NO_STD_NAMESPACE 0 CACHE INTERNAL
+         "Does the compiler support std::.")
+    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+      "Determining if the CXX compiler has std namespace passed with "
+      "the following output:\n${OUTPUT}\n\n")
+  else ()
+    message(CHECK_FAIL "not found")
+    set (CMAKE_NO_STD_NAMESPACE 1 CACHE INTERNAL
+       "Does the compiler support std::.")
+    file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+      "Determining if the CXX compiler has std namespace failed with "
+      "the following output:\n${OUTPUT}\n\n")
+  endif ()
+endif()
+
+
+
+