| # 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 |