DEFINE/#ifdef seems to be ignored in X#

stefan.ungemach · Post by **stefan.ungemach** » Mon Feb 20, 2023 9:46 am

Can anyone please explain to me why the folliwing code considers DUMMY_DEFINE to be not set (thus greying out anything except the red line which becomes compiled)? Playing around with the -/vo8 switch didn't change the behaviour.

define DUMMY_DEFINE := true
FUNCTION Start() AS VOID STRICT

#ifdef DUMMY_DEFINE
SafeDebOut32( "DUMMY_DEFINE true")
#else
SafeDebOut32( "DUMMY_DEFINE false")
#endif

robert · Post by **robert** » Mon Feb 20, 2023 9:53 am

Stefan,
If you want to use the #ifdef functionality in X# you will need to use #define to declare the values and not define.
And /vo8 controls the case sensitivity of the preprocessor w.r.t. symbols declared with #define and not those declared with define.

Robert

stefan.ungemach · Post by **stefan.ungemach** » Mon Feb 20, 2023 9:55 am

Robert,

dank je wel!

stefan.ungemach · Post by **stefan.ungemach** » Wed Feb 22, 2023 1:47 pm

There seems to be another issue. The scope of #DEFINE is limited to its prg. In VO it's not, so you cal set a switch for a whole app at one single point. Thus, a global compiler switch in former VO code works no more and requires deep analysis of all the transported code in all PRGs which is a dangeroius error source.

robert · Post by **robert** » Wed Feb 22, 2023 2:05 pm

Stefan,

You can define global defines on the Build page of the project properties.
We are following the model here from all other languages. VO was really the exception.

Robert