CMake/Modules/TestForANSIStreamHeaders.cmake

33 lines
932 B
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.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
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()