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jgrahamc/parallel

Last active November 19, 2019 22:38
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parallel
all: | parallel ; @echo $(JOB_COUNT)
parallel: .parallel ; @$(eval JOB_COUNT := $(shell sort -n $< | tail -n 1))
.parallel: FORCE ; @$(MAKE) --no-print-directory par 2>/dev/null >$@ || true
FORCE:
to_n = $(words $2) $(if $(filter-out $1,$(words x $2)),$(call to_n,$1,x $2))
PAR_COUNT :=
par: $(addprefix par-,$(call to_n,32))
par-%: ; @$(eval PAR_COUNT += x)@echo $(words $(PAR_COUNT)) && sleep 1 && false
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