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
© 2000–2020 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.19/module/TestForANSIStreamHeaders.html