-Wunsupported-xl-macro

Category

Error checking and debugging

Pragma equivalent

None.

Purpose

Checks whether any unsupported XL macro is used.

Defaults

By default, -Wunsupported-xl-macro is not enabled.

Usage

Some macros that might be supported by other XL compilers are unsupported in IBM® XL C/C++ for Linux, V13.1.2.

You can specify the -Wunsupported-xl-macro option to check whether any unsupported macro is used. If an unsupported macro is used, the compiler issues a warning message.

Predefined macros

None.