cmake/Modules/TestForANSIStreamHeaders.cmake

#.rst:
# TestForANSIStreamHeaders
# ------------------------
#
# Test for compiler support of ANSI stream headers iostream, etc.
#
# check if the compiler supports the standard ANSI iostream header
# (without the .h)
#
# ::
#
#   CMAKE_NO_ANSI_STREAM_HEADERS - defined by the results

#=============================================================================
# Copyright 2002-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)

include(${CMAKE_CURRENT_LIST_DIR}/CheckIncludeFileCXX.cmake)

if(NOT CMAKE_NO_ANSI_STREAM_HEADERS)
  CHECK_INCLUDE_FILE_CXX(iostream CMAKE_ANSI_STREAM_HEADERS)
  if (CMAKE_ANSI_STREAM_HEADERS)
    set (CMAKE_NO_ANSI_STREAM_HEADERS 0 CACHE INTERNAL
         "Does the compiler support headers like iostream.")
  else ()
    set (CMAKE_NO_ANSI_STREAM_HEADERS 1 CACHE INTERNAL
       "Does the compiler support headers like iostream.")
  endif ()

  mark_as_advanced(CMAKE_NO_ANSI_STREAM_HEADERS)
endif()