| # 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 |
