cgccmacroseclipse-cdtpreprocessor
Eclipse CDT: Where should I define a macro
Where should I define preprocessors macros so that eclipse calls gcc with the -D marco=def arguments
I tried with Project Properties > C/C++ General > Preprocessor Include, Path, Macros etc... but the arguments are not passed to the toolchain.
Solution
This setting is indeed located in Project Properties, but in C/C++ Build:
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