7.93 --list_macros

Lists macro definitions to stdout after processing a specified source file.

The listed output contains macro definitions that are used on the command line, predefined by the compiler, and found in header and source files, depending on usage.

Usage

To list macros that are defined on the command line, predefined by the compiler, and found in header and source files, use --list_macros with a non-empty source file.
To list only macros predefined by the compiler and specified on the command line, use --list_macros with an empty source file.

Restrictions

Code generation is suppressed.
Related reference
9.150 Predefined macros
7.29 -Dname[(parm-list)][=def]
7.51 -E
7.140 --show_cmdline
7.159 --via=filename
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