heurisko bug no. 6048

This applies to heurisko

Symptoms

The preprocessor command ifnotdef sometimes issues error 1367 witout any reason.

Example:
#define RAWDATA; # Not defined!
#define RAW8; # Not defined!
ifdef RAWDATA;
ifnotdef RAW8;
"RAWDATA and not RAW8";
elseifdef;
"RAWDATA and RAW8";
endifdef;
endifdef; # Error 1367

Cause

?

Workaround

Replace ifnotdef by ifdef in such a way that you achieve the same logic.

Example:
ifdef RAWDATA;
ifdef RAW8;
"RAWDATA and RAW8";
elseifdef;
"RAWDATA and not RAW8";
endifdef;
endifdef; # Error 1367

Fix

This bug is not yet fixed.