18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only
28c2ecf20Sopenharmony_ciifndef allow-override
38c2ecf20Sopenharmony_ci  include ../scripts/Makefile.include
48c2ecf20Sopenharmony_ci  include ../scripts/utilities.mak
58c2ecf20Sopenharmony_cielse
68c2ecf20Sopenharmony_ci  # Assume Makefile.helpers is being run from bpftool/Documentation
78c2ecf20Sopenharmony_ci  # subdirectory. Go up two more directories to fetch bpf.h header and
88c2ecf20Sopenharmony_ci  # associated script.
98c2ecf20Sopenharmony_ci  UP2DIR := ../../
108c2ecf20Sopenharmony_ciendif
118c2ecf20Sopenharmony_ci
128c2ecf20Sopenharmony_ciINSTALL ?= install
138c2ecf20Sopenharmony_ciRM ?= rm -f
148c2ecf20Sopenharmony_ciRMDIR ?= rmdir --ignore-fail-on-non-empty
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_ciifeq ($(V),1)
178c2ecf20Sopenharmony_ci  Q =
188c2ecf20Sopenharmony_cielse
198c2ecf20Sopenharmony_ci  Q = @
208c2ecf20Sopenharmony_ciendif
218c2ecf20Sopenharmony_ci
228c2ecf20Sopenharmony_ciprefix ?= /usr/local
238c2ecf20Sopenharmony_cimandir ?= $(prefix)/man
248c2ecf20Sopenharmony_ciman7dir = $(mandir)/man7
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ciHELPERS_RST = bpf-helpers.rst
278c2ecf20Sopenharmony_ciMAN7_RST = $(HELPERS_RST)
288c2ecf20Sopenharmony_ci
298c2ecf20Sopenharmony_ci_DOC_MAN7 = $(patsubst %.rst,%.7,$(MAN7_RST))
308c2ecf20Sopenharmony_ciDOC_MAN7 = $(addprefix $(OUTPUT),$(_DOC_MAN7))
318c2ecf20Sopenharmony_ci
328c2ecf20Sopenharmony_cihelpers: man7
338c2ecf20Sopenharmony_ciman7: $(DOC_MAN7)
348c2ecf20Sopenharmony_ci
358c2ecf20Sopenharmony_ciRST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
368c2ecf20Sopenharmony_ci
378c2ecf20Sopenharmony_ci$(OUTPUT)$(HELPERS_RST): $(UP2DIR)../../include/uapi/linux/bpf.h
388c2ecf20Sopenharmony_ci	$(QUIET_GEN)$(UP2DIR)../../scripts/bpf_helpers_doc.py --filename $< > $@
398c2ecf20Sopenharmony_ci
408c2ecf20Sopenharmony_ci$(OUTPUT)%.7: $(OUTPUT)%.rst
418c2ecf20Sopenharmony_ciifndef RST2MAN_DEP
428c2ecf20Sopenharmony_ci	$(error "rst2man not found, but required to generate man pages")
438c2ecf20Sopenharmony_ciendif
448c2ecf20Sopenharmony_ci	$(QUIET_GEN)rst2man $< > $@
458c2ecf20Sopenharmony_ci
468c2ecf20Sopenharmony_cihelpers-clean:
478c2ecf20Sopenharmony_ci	$(call QUIET_CLEAN, eBPF_helpers-manpage)
488c2ecf20Sopenharmony_ci	$(Q)$(RM) $(DOC_MAN7) $(OUTPUT)$(HELPERS_RST)
498c2ecf20Sopenharmony_ci
508c2ecf20Sopenharmony_cihelpers-install: helpers
518c2ecf20Sopenharmony_ci	$(call QUIET_INSTALL, eBPF_helpers-manpage)
528c2ecf20Sopenharmony_ci	$(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(man7dir)
538c2ecf20Sopenharmony_ci	$(Q)$(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir)
548c2ecf20Sopenharmony_ci
558c2ecf20Sopenharmony_cihelpers-uninstall:
568c2ecf20Sopenharmony_ci	$(call QUIET_UNINST, eBPF_helpers-manpage)
578c2ecf20Sopenharmony_ci	$(Q)$(RM) $(addprefix $(DESTDIR)$(man7dir)/,$(_DOC_MAN7))
588c2ecf20Sopenharmony_ci	$(Q)$(RMDIR) $(DESTDIR)$(man7dir)
598c2ecf20Sopenharmony_ci
608c2ecf20Sopenharmony_ci.PHONY: helpers helpers-clean helpers-install helpers-uninstall
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