Summary of gcc options (updated from time to time)

I've forgotten the gcc options, so I've summarized them (updated from time to time).

What is GCC?

** GCC ** stands for ** GNU Compiler Collection **. The GCC command is gcc. Developed by the GNU Project, it brings together compilers for various programming languages.

gcc options

option Description
-dumpversion Show version
--version Show version(In detail)
-v Show version(In more detail)
-o <file_name> Specify the name of the generated program( a.outCan be other than)
-Wall All general warning options turned on
-O, -O1 Optimize(The higher the number, the higher the optimization level)
-O2 Optimize(Specify this if you have no particular idea)
-O3 Optimize
--help View help

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