-ansi
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This flag tells the compiler to enforce ANSI C standards
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-pedantic
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More pedantic ansi, warnings for stuff you probably didn't mean.
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-Wall
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Show all reasonable warnings (there are more).
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-g
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Produce debug information, necessary for debugging.
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-llibrary
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Links to a standard library. Use -lm
to load the standard math library.
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-c
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Compile or assemble the source files, but do not link. The compiler output is object files corresponding to each source file.
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-S
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Compile only; output assembly code.
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-E
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Pre-process only. Output pre-processed code.
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-Dmacro
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Define a macro, one can also use -Dmacro=val in order to assign a value
for the macro. This will be used for preprocessing all files.
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