6 Mar
2018
6 Mar
'18
9:47 a.m.
Also,
On 06.03.2018, at 09:42, Tobias Pape Das.Linux@gmx.de wrote:
Those "#undef"s will be changed to "#define"s if the proper measures took place.
I forgot to say that if one tries to do something with those macros before including config.h, things might not go as planned.
1. if system header says #define X and config.h says #undef X, it is not available. (maybe ok) 2. if system header does not say #define X and config.h says #undef X, nothing happen. (ok) 3. if system header says #define X and config.h says #define X you get an error because X is already defined (Not ok) 4. if system header does not say #define X and config.h says #define X, you may get undesired behavior (maybe not ok).
Best regards -Tobias