| # Copyright (c) 2018 Cisco and/or its affiliates. |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at: |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| LIBBPF_DEBUG?=n |
| |
| libbpf_version := 0.1.0 |
| libbpf_tarball := v$(libbpf_version).tar.gz |
| libbpf_tarball_md5sum_0.1.0 := 00b991a6e2d28d797a56ab1575ed40e1 |
| libbpf_tarball_md5sum := $(libbpf_tarball_md5sum_$(libbpf_version)) |
| libbpf_tarball_strip_dirs := 1 |
| libbpf_url := https://github.com/libbpf/libbpf/archive/$(libbpf_tarball) |
| |
| LIBBPF_CFLAGS:=-g -Werror -Wall -fPIC -fvisibility=hidden |
| ifeq ($(LIBBPF_DEBUG),y) |
| LIBBPF_CFLAGS+= -O0 |
| else |
| LIBBPF_CFLAGS+= -O2 |
| endif |
| |
| IF_XDP:=$(shell echo "\#include <linux/if_xdp.h>" | $(CC) -E -xc - > /dev/null 2>&1) |
| IF_XDP:=$(.SHELLSTATUS) |
| |
| define libbpf_config_cmds |
| @true |
| endef |
| |
| define libbpf_build_cmds__ |
| BUILD_STATIC_ONLY=y OBJDIR='$(libbpf_build_dir)' PREFIX='' DESTDIR='$(libbpf_install_dir)' CFLAGS='$(LIBBPF_CFLAGS)' make -C '$(libbpf_src_dir)/src' $(1) > $(2) |
| endef |
| |
| define libbpf_build_cmds |
| $(call libbpf_build_cmds__,,$(libbpf_build_log)) |
| endef |
| |
| define libbpf_install_cmds |
| $(call libbpf_build_cmds__,install,$(libbpf_install_log)) |
| endef |
| |
| ifneq ($(IF_XDP),0) |
| $(warning "linux/if_xdp.h was not found on this system. libbpf will be skipped.") |
| libbpf-install: |
| @true |
| else |
| $(eval $(call package,libbpf)) |
| endif |