Hi Leo! >>> Both search-paths and native-search-paths are expanded in a build >>> environment to form an environment variable. search-paths works on >>> inputs whereas native-search-paths works on native-inputs. In >>> addition, native-search-paths also end up in your >>> $GUIX_PROFILE/etc/profile. >> >> So it is like how "PATH" is established inside build environment? >> >> Also, are they useful only to the package itself or to other >> packages >> that depend on it as well? > Depends on the package. If it gets propagated into the build > environment, the variable is set as well. At other times, it might be > set through the wrap phase for runtime purposes. I am gonna sit on what you said and think. Regards, RG.