cmake ITK_HAS_STRUCT_FENV_T_CW examples

InsightSoftwareConsortium/ITK Modules/Core/Common/CMakeLists.txt :146 

try_compile(
  ITK_HAS_STRUCT_FENV_T_CW
  ${ITK_BINARY_DIR}
  ${CMAKE_CURRENT_SOURCE_DIR}/CMake/itkCheckHasFenvtStructMember.cxx
  COMPILE_DEFINITIONS
    -DITK_CHECK_FENV_T_CW
)