[CMake] comparing variable contents

[Nathaniel Waisbrot (Cont ARL/CISD)]

> Of course I read the docs for the if() command.   It doesn't contain
> any comments about comparing a variable's value to another variable's
> value.   Are you suggesting that if it isn't in the documentation then
> it isn't supported?   If so, please say so.   I was just hoping
> someone might know a way to do this kind of test/comparison.



Maybe the information that you're missing is that all CMake variables
are stored internally as strings.  So paths, lists, numbers, etc can be
compared with STREQUAL.