push -D<symbol> to C_DEFINES through build?

Is it possible to push a #define symbol defintion through
‘build’ so that the symbol is defined during compilation?

> Is it possible to push a #define symbol defintion through

‘build’ so that the symbol is defined during compilation?

Use:

C_DEFINES=$(C_DEFINES) -Dyoursymbol=yourvalue

in the SOURCES file.

Max