CMake/Modules/TestForSTDNamespace.cmake

41 lines
1.3 KiB
CMake

# 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(STATUS "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(STATUS "Check for STD namespace - 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(STATUS "Check for STD namespace - 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()