3bc66bfa01
This variable (a.k.a. rootlibexecdir), was exposed through the .pc file, but not as rpm macro. The .pc file must be located in the package that provides libraries, which pulls in a lot of dependencies. In Fedora, the macros are split out to a separate package so that other packages which need to refer to some systemd path but don't otherwise require it, can only pull in the (much smaller and dependency-less) macros package. zram-generator uses the path to specify the location of systemd-makefs, so by using the rpm macro we'll be able to use a much smaller buildroot.
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