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This option shows how the compiler processes the command line. It can be useful when checking:

  • the command line a build system is using

  • how the compiler is interpreting the supplied command line, for example, the ordering of command-line options.

The commands are shown normalized, and the contents of any via files are expanded.

The output is sent to the standard output stream (stdout).


If using this option with the ARM Linux translation options, you must use -Warmcc. For example, armcc -Warmcc,--show_cmdline --translate_gcc ...