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Defining C Preprocessor constants from the command line
Defining C Preprocessor constants from the command line
- Eliot Muir
Owned by Eliot Muir
Feb 17, 2022
1 min read
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This in a header file:
#define FOO_FUNKY_SWITCH 1and this in a compiler invocation:
-DFOO_FUNKY_SWITCH=1Do the same thing.
Personally I don’t love having my compiles filled with switches since it imposes extra cognitive load in my opinion when compiling code.
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