nixpkgs/pkgs/os-specific/bsd/freebsd/compat-install-dirs.patch

diff --git a/tools/build/Makefile b/tools/build/Makefile
index 948a5f9dfdb..592af84eeae 100644
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@@ -327,15 +327,15 @@ host-symlinks:
 # and cross-tools stages. We do this here using mkdir since mtree may not exist
 # yet (this happens if we are crossbuilding from Linux/Mac).
 INSTALLDIR_LIST= \
-	bin \
-	lib/casper \
-	lib/geom \
-	usr/include/casper \
-	usr/include/private/ucl \
-	usr/include/private/zstd \
-	usr/lib \
-	usr/libdata/pkgconfig \
-	usr/libexec
+	${BINDIR} \
+	${LIBDIR}/casper \
+	${LIBDIR}/geom \
+	${INCLUDEDIR}/casper \
+	${INCLUDEDIR}/private/ucl \
+	${INCLUDEDIR}/private/zstd \
+	${LIBDIR} \
+	${LIBDIR}/libdata/pkgconfig \
+	${LIBEXECDIR}
 
 installdirs:
 	mkdir -p ${INSTALLDIR_LIST:S,^,${DESTDIR}/,}
@@ -352,9 +352,9 @@ installdirs:
 	    rm -rf "${DESTDIR}/${_dir}"; \
 	fi
 .endfor
-	ln -sfn bin ${DESTDIR}/sbin
-	ln -sfn ../bin ${DESTDIR}/usr/bin
-	ln -sfn ../bin ${DESTDIR}/usr/sbin
+	ln -sfn bin ${DESTDIR}/${SBINDIR}
+	ln -sfn ../bin ${DESTDIR}/${BINDIR}
+	ln -sfn ../bin ${DESTDIR}/${SBINDIR}
 .for _group in ${INCSGROUPS:NINCS}
 	mkdir -p "${DESTDIR}/${${_group}DIR}"
 .endfor