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path: root/src/nslcd_proto/Makefile
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_ := $(MAKEFILE_LIST)
d := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))

generate := $(generate) $d/interface_backend.go $d/func_handlerequest.go $d/util/struct_null_backend.go
secondary := $(secondary) $d/enumerator-list.mk $d/requests.txt $d/responses.txt $d/*@*.go $d/util/*@*.go

ifeq (,$(filter clean,$(MAKECMDGOALS)))
-include $d/enumerator-list.mk
endif

ifeq (1,$(words $_))

all: generate
.PHONY: all

generate: $(generate)
.PHONY: generate

clean:
	rm -f -- $(generate) $(secondary)
.PHONY: clean

.DELETE_ON_ERROR:
.SECONDARY:

endif

$d/enumerator@%.go: $d/enumerator@T.got
	< $< sed 's/<T>/$*/g' > $@
$d/util/enumerator@%.go: $d/util/enumerator@T.got
	< $< sed 's/<T>/$*/g' > $@

$d/enumerator-list.mk: $d/responses.txt $d/Makefile
	< $< sed -rn 's|.*|generate += $$d/enumerator@&.go $$d/util/enumerator@&.go|p' > $@

$d/requests.txt: $d/nslcd_h.go $d/Makefile
	< $< grep -Eo '\btype Request_([^_ ]+)(_\S+)?' | sed 's/^type Request_//' > $@
$d/responses.txt: $d/interface_backend.go $d/Makefile
	< $< sed -rn 's/.* (\S+)_Enumerator$$/\1/p' | sort -u > $@

%.go: %.go.sh
	./$^ > $@

$d/interface_backend.go: $d/requests.txt
$d/func_handlerequest.go: $d/requests.txt
$d/util/struct_null_backend.go: $d/interface_backend.go