+help::
+ @echo "Maintenance targets" && \
+ echo " maint run chroot maintenance" && \
+ echo "Maintenance variables" && \
+ echo " FRESH max time between updates" && \
+ echo " N[smhdw] | create | force" && \
+ echo " JOBS maintenance jobs to run" && \
+ echo " ACT[.PAT,...][/FRESH]" && \
+ echo " OPTS additional options (bin/chroot-maint --help)" && \
+ echo "Maintenance actions" && \
+ echo " chroot create and populate chroot" && \
+ echo " cross-tools build cross-compilation toolchains" && \
+ echo " pkg-source download and unpack local utilities" && \
+ echo " pkg-build compile and install local utilities"
+
+###--------------------------------------------------------------------------
+### Running random commands.
+
+CMD = echo %d %a
+subst-command = $(subst %d,$(call chroot-dist,$1), \
+ $(subst %a,$(call chroot-arch,$1), \
+ $(subst %r,$1, $(CMD))))
+
+run: $(foreach c,$(ALL_CHROOTS),run/$c)
+$(foreach c,$(ALL_CHROOTS),run/$c): run/%:
+ $(V_AT)$(call v_print,RUN,$(call subst-command,$*))\
+ $(call subst-command,$*)
+