Tried building from ports and in poudriere on amd64. make: "/usr/ports/devel/subversive/makefile" line 23: Cannot open /usr/ports/devel/subversive/../../java/eclipse/Makefile.plugins make: Fatal errors encountered -- cannot continue make: stopped in /usr/ports/devel/subversive
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Broken by bug#281123
Fixed in https://cgit.freebsd.org/ports/commit/?id=c94e4ced329298efb06189d1c6db26e3d6ff3eef