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linux-next/tools/bpf/Makefile.helpers
Thomas Gleixner ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00

61 lines
1.5 KiB
Makefile

# 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