можно поставить нужные флаги
в студии когда редактируется класс, Ctrl+Shift+F7, можно задать нужные флаги и сохранить их по умолчанию

USER>d $system.OBJ.ShowFlags()
a - Include application classes. This flag is set by default.
b - Include sub classes.
c - Compile. Use this flag while loading a CDL file will cause the classes
loaded to be compiled as well.
d - Display. This flag is set by default.
e - Delete extent.
f - Force. Force a compilation even when classes instances are in use.
Existing objects are invalid after compilation.
h - Generate help.
i - Validate XML export format against schema on Load.
k - Keep source. When this flag is set, source code of
generated routines will be kept.
l - Use lock while compilation classes. This flag is set by default.
p - Include percent classes.
q - SQL-only compilation.
r - Recursive. It means include all the classes that are
dependency predecessors.
s - Include system classes.
u - Update only. It means do not compile classes that are up-to-date.
v - Keep valid. When combined with "f" flag (which forces recompilation),
also keeps the objects valid after compilation finishes.
y - Include classes that are related to the current class in the way that
they either reference to or are referenced by the current class in SQL usage.
4 - Export CDL compatible with version 4 from later version.
o1- Optimize ..Property to i%Property where possible.
o2- Optimize calls within this class, no incremental compile support.
o3- Optimize calls within this class and to system classes.
o4- Optimize calls to all classes, only works from CompileAll entry point.

Default flags for this namespace =adflo1u
You may change the default flags with the SetFlags(flags,system) call
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Cache for Windows NT (AMD64) 5.0.21 (Build 6408) Tue Jan 3 2006 13:37:41 EST