1# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
2# file Copyright.txt or https://cmake.org/licensing for details.
3
4#[=======================================================================[.rst:
5TestForANSIStreamHeaders
6------------------------
7
8Test for compiler support of ANSI stream headers iostream, etc.
9
10check if the compiler supports the standard ANSI iostream header
11(without the .h)
12
13::
14
15  CMAKE_NO_ANSI_STREAM_HEADERS - defined by the results
16#]=======================================================================]
17
18include(${CMAKE_CURRENT_LIST_DIR}/CheckIncludeFileCXX.cmake)
19
20if(NOT CMAKE_NO_ANSI_STREAM_HEADERS)
21  CHECK_INCLUDE_FILE_CXX(iostream CMAKE_ANSI_STREAM_HEADERS)
22  if (CMAKE_ANSI_STREAM_HEADERS)
23    set (CMAKE_NO_ANSI_STREAM_HEADERS 0 CACHE INTERNAL
24         "Does the compiler support headers like iostream.")
25  else ()
26    set (CMAKE_NO_ANSI_STREAM_HEADERS 1 CACHE INTERNAL
27       "Does the compiler support headers like iostream.")
28  endif ()
29
30  mark_as_advanced(CMAKE_NO_ANSI_STREAM_HEADERS)
31endif()
32
33
34