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ec8f24b7 | 1 | # SPDX-License-Identifier: GPL-2.0-only |
86f7d85c QM |
2 | ifndef allow-override |
3 | include ../scripts/Makefile.include | |
4 | include ../scripts/utilities.mak | |
5 | else | |
6 | # Assume Makefile.helpers is being run from bpftool/Documentation | |
7 | # subdirectory. Go up two more directories to fetch bpf.h header and | |
8 | # associated script. | |
9 | UP2DIR := ../../ | |
10 | endif | |
11 | ||
12 | INSTALL ?= install | |
13 | RM ?= rm -f | |
14 | RMDIR ?= rmdir --ignore-fail-on-non-empty | |
15 | ||
16 | ifeq ($(V),1) | |
17 | Q = | |
18 | else | |
19 | Q = @ | |
20 | endif | |
21 | ||
22 | prefix ?= /usr/local | |
23 | mandir ?= $(prefix)/man | |
24 | man7dir = $(mandir)/man7 | |
25 | ||
26 | HELPERS_RST = bpf-helpers.rst | |
27 | MAN7_RST = $(HELPERS_RST) | |
28 | ||
29 | _DOC_MAN7 = $(patsubst %.rst,%.7,$(MAN7_RST)) | |
30 | DOC_MAN7 = $(addprefix $(OUTPUT),$(_DOC_MAN7)) | |
31 | ||
32 | helpers: man7 | |
33 | man7: $(DOC_MAN7) | |
34 | ||
35 | RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null) | |
36 | ||
37 | $(OUTPUT)$(HELPERS_RST): $(UP2DIR)../../include/uapi/linux/bpf.h | |
38 | $(QUIET_GEN)$(UP2DIR)../../scripts/bpf_helpers_doc.py --filename $< > $@ | |
39 | ||
40 | $(OUTPUT)%.7: $(OUTPUT)%.rst | |
41 | ifndef RST2MAN_DEP | |
42 | $(error "rst2man not found, but required to generate man pages") | |
43 | endif | |
44 | $(QUIET_GEN)rst2man $< > $@ | |
45 | ||
46 | helpers-clean: | |
47 | $(call QUIET_CLEAN, eBPF_helpers-manpage) | |
48 | $(Q)$(RM) $(DOC_MAN7) $(OUTPUT)$(HELPERS_RST) | |
49 | ||
50 | helpers-install: helpers | |
51 | $(call QUIET_INSTALL, eBPF_helpers-manpage) | |
52 | $(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(man7dir) | |
53 | $(Q)$(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir) | |
54 | ||
55 | helpers-uninstall: | |
56 | $(call QUIET_UNINST, eBPF_helpers-manpage) | |
57 | $(Q)$(RM) $(addprefix $(DESTDIR)$(man7dir)/,$(_DOC_MAN7)) | |
58 | $(Q)$(RMDIR) $(DESTDIR)$(man7dir) | |
59 | ||
60 | .PHONY: helpers helpers-clean helpers-install helpers-uninstall |