ELIF and ELSE

Conditional assembly.

.ELIF will include code until the corresponding ENDIF of the next ELIF at the same level if the expression is true, and both the initial .IF clause and all following .ELIF clauses are false.

.ELSE will include code until the corresponding .ENDIF if the initial .IF clause and all .ELIF clauses (if any) all are false.

Syntax
.ELIF <expression>
.ELSE
.IFDEF <symbol> |.IFNDEF <symbol>
…
.ELSE | .ELIF <expression>
…
Example
.IFDEF DEBUG 
.MESSAGE "Debugging.." 
.ELSE 
.MESSAGE "Release.." 
.ENDIF