Print (on standard error output) the commands executed to run the stages of compilation. Also print the version number of the compiler driver program and of the preprocessor and the compiler proper.

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GCCUSER #117 Using the GNU Compiler Collection

-target-help Print (on the standard output) a description of target-specific command line options for each tool. For some targets extra target-specific information may also be printed. –help=class [,qualifier ] Print (on the standard output) a description of the command line options understood by the compiler that fit into a specific class

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GCCUSER #120 Using the GNU Compiler Collection