Confused as to why runtime variables (RDEPENDS, RPROVIDES, etc) require package name overrides


Essentially I don't understand why variables like RDEPENDS require a package name conditional override such as "RDEPENDS_${PN}" while other variables, including DEPENDS, do not require this. Isn't putting the package name as a conditional after the variable pointless, since bitbake only parses the variables from the recipeĀ it is currently building? I feel like my confusion may stem from some fundamental misunderstanding of the way the build system works.

Thanks for your help,

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