Compiler options

This section introduces options that are supported by IBM Open XL C/C++ for AIX 17.1.4.

Clang options

Community Clang options for LLVM Clang on AIX® are supported in IBM Open XL C/C++ for AIX 17.1.4.

GCC options

IBM® Open XL C/C++ supports the same GCC options as the version of Clang for AIX on which it is based. Refer to the "Clang command line argument reference" section in the Clang documentation for the GCC options supported by the version of Clang for AIX that the IBM XL C/C++ compiler is based on. For more details about these options, consult the GCC online documentation.

Supported classic XL C/C++ options

IBM Open XL C/C++ for AIX 17.1.4 continues to support classic XL C/C++ options listed in Supported compiler options. All other classic XL C/C++ options are not supported. Consider using their alternatives in Mapping of options.