gbe_fork/cmake/share/cmake-3.27/Modules/TestForSTDNamespace.cmake

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2023-12-17 02:34:09 +08:00
# 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
SOURCES ${CMAKE_ROOT}/Modules/TestForSTDNamespace.cxx
)
if (CMAKE_STD_NAMESPACE)
message(CHECK_PASS "found")
set (CMAKE_NO_STD_NAMESPACE 0 CACHE INTERNAL
"Does the compiler support std::.")
else ()
message(CHECK_FAIL "not found")
set (CMAKE_NO_STD_NAMESPACE 1 CACHE INTERNAL
"Does the compiler support std::.")
endif ()
endif()