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- # SPDX-License-Identifier: GPL-2.0-only
- ifndef allow-override
- include ../scripts/Makefile.include
- include ../scripts/utilities.mak
- else
- # Assume Makefile.helpers is being run from bpftool/Documentation
- # subdirectory. Go up two more directories to fetch bpf.h header and
- # associated script.
- UP2DIR := ../../
- endif
- INSTALL ?= install
- RM ?= rm -f
- RMDIR ?= rmdir --ignore-fail-on-non-empty
- ifeq ($(V),1)
- Q =
- else
- Q = @
- endif
- prefix ?= /usr/local
- mandir ?= $(prefix)/man
- man7dir = $(mandir)/man7
- HELPERS_RST = bpf-helpers.rst
- MAN7_RST = $(HELPERS_RST)
- _DOC_MAN7 = $(patsubst %.rst,%.7,$(MAN7_RST))
- DOC_MAN7 = $(addprefix $(OUTPUT),$(_DOC_MAN7))
- helpers: man7
- man7: $(DOC_MAN7)
- RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
- $(OUTPUT)$(HELPERS_RST): $(UP2DIR)../../include/uapi/linux/bpf.h
- $(QUIET_GEN)$(UP2DIR)../../scripts/bpf_helpers_doc.py --filename $< > $@
- $(OUTPUT)%.7: $(OUTPUT)%.rst
- ifndef RST2MAN_DEP
- $(error "rst2man not found, but required to generate man pages")
- endif
- $(QUIET_GEN)rst2man $< > $@
- helpers-clean:
- $(call QUIET_CLEAN, eBPF_helpers-manpage)
- $(Q)$(RM) $(DOC_MAN7) $(OUTPUT)$(HELPERS_RST)
- helpers-install: helpers
- $(call QUIET_INSTALL, eBPF_helpers-manpage)
- $(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(man7dir)
- $(Q)$(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir)
- helpers-uninstall:
- $(call QUIET_UNINST, eBPF_helpers-manpage)
- $(Q)$(RM) $(addprefix $(DESTDIR)$(man7dir)/,$(_DOC_MAN7))
- $(Q)$(RMDIR) $(DESTDIR)$(man7dir)
- .PHONY: helpers helpers-clean helpers-install helpers-uninstall
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