Language support

IBM® Open XL C/C++ for AIX® 17.1.0 supports all of the -std options that are available in the LLVM 13 Clang compiler, all C language specifications up to and including C17, and all C++ language specifications up to and including C++14.

C++ library features that are newer than C++14 might not be available in IBM Open XL C/C++ for AIX 17.1.0.

IBM Open XL C/C++ for AIX 17.1.0 does not support all IBM extension features that are supported by IBM XL C/C++ for AIX 16.1.0 or earlier releases. For IBM extension features that IBM XL C/C++ for AIX 16.1.0 still supports, find details at IBM extension features.