1ifndef allow-override 2 include ../scripts/Makefile.include 3 include ../scripts/utilities.mak 4else 5 # Assume Makefile.helpers is being run from bpftool/Documentation 6 # subdirectory. Go up two more directories to fetch bpf.h header and 7 # associated script. 8 UP2DIR := ../../ 9endif 10 11INSTALL ?= install 12RM ?= rm -f 13RMDIR ?= rmdir --ignore-fail-on-non-empty 14 15ifeq ($(V),1) 16 Q = 17else 18 Q = @ 19endif 20 21prefix ?= /usr/local 22mandir ?= $(prefix)/man 23man7dir = $(mandir)/man7 24 25HELPERS_RST = bpf-helpers.rst 26MAN7_RST = $(HELPERS_RST) 27 28_DOC_MAN7 = $(patsubst %.rst,%.7,$(MAN7_RST)) 29DOC_MAN7 = $(addprefix $(OUTPUT),$(_DOC_MAN7)) 30 31helpers: man7 32man7: $(DOC_MAN7) 33 34RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null) 35 36$(OUTPUT)$(HELPERS_RST): $(UP2DIR)../../include/uapi/linux/bpf.h 37 $(QUIET_GEN)$(UP2DIR)../../scripts/bpf_helpers_doc.py --filename $< > $@ 38 39$(OUTPUT)%.7: $(OUTPUT)%.rst 40ifndef RST2MAN_DEP 41 $(error "rst2man not found, but required to generate man pages") 42endif 43 $(QUIET_GEN)rst2man $< > $@ 44 45helpers-clean: 46 $(call QUIET_CLEAN, eBPF_helpers-manpage) 47 $(Q)$(RM) $(DOC_MAN7) $(OUTPUT)$(HELPERS_RST) 48 49helpers-install: helpers 50 $(call QUIET_INSTALL, eBPF_helpers-manpage) 51 $(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(man7dir) 52 $(Q)$(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir) 53 54helpers-uninstall: 55 $(call QUIET_UNINST, eBPF_helpers-manpage) 56 $(Q)$(RM) $(addprefix $(DESTDIR)$(man7dir)/,$(_DOC_MAN7)) 57 $(Q)$(RMDIR) $(DESTDIR)$(man7dir) 58 59.PHONY: helpers helpers-clean helpers-install helpers-uninstall 60