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#
# Copyright (C) 2020 Tony Ambardar <itugrok@yahoo.com>
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=bpftools
PKG_RELEASE:=1
PKG_SOURCE_URL:=https://github.com/libbpf/bpftool
PKG_SOURCE_PROTO:=git
PKG_SOURCE_DATE:=2022-03-08
PKG_SOURCE_VERSION:=04c465fd1f561f67796dc68bbfe1aa7cfa956c3c
PKG_MIRROR_HASH:=e22a954cd186f43228a96586bbdc120b11e6c87360ab88ae96ba37afb9c7cb58
PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
PKG_MAINTAINER:=Tony Ambardar <itugrok@yahoo.com>
PKG_USE_MIPS16:=0
PKG_BUILD_PARALLEL:=1
PKG_INSTALL:=1
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/nls.mk
define Package/bpftool/Default
SECTION:=net
CATEGORY:=Network
TITLE:=bpftool - eBPF subsystem utility
LICENSE:=GPL-2.0-only OR BSD-2-Clause
URL:=http://www.kernel.org
DEPENDS:=+libelf
endef
define Package/bpftool-minimal
$(call Package/bpftool/Default)
TITLE+= (Minimal)
VARIANT:=minimal
DEFAULT_VARIANT:=1
PROVIDES:=bpftool
ALTERNATIVES:=200:/usr/sbin/bpftool:/usr/libexec/bpftool-minimal
endef
define Package/bpftool-full
$(call Package/bpftool/Default)
TITLE+= (Full)
VARIANT:=full
PROVIDES:=bpftool
ALTERNATIVES:=300:/usr/sbin/bpftool:/usr/libexec/bpftool-full
DEPENDS+= +libbfd +libopcodes
endef
define Package/bpftool-minimal/description
A tool for inspection and simple manipulation of eBPF programs and maps.
endef
define Package/bpftool-full/description
A tool for inspection and simple manipulation of eBPF programs and maps.
This full version uses libbfd and libopcodes to support disassembly of
eBPF programs and jited code.
endef
define Package/libbpf
SECTION:=libs
CATEGORY:=Libraries
TITLE:=libbpf - eBPF helper library
VARIANT:=lib
LICENSE:=LGPL-2.1 OR BSD-2-Clause
ABI_VERSION:=$(PKG_ABI_VERSION)
URL:=http://www.kernel.org
DEPENDS:=+libelf
endef
define Package/libbpf/description
libbpf is a library for loading eBPF programs and reading and manipulating eBPF objects from user-space.
endef
# LTO not compatible with DSO using PIC
ifneq ($(BUILD_VARIANT),lib)
TARGET_CFLAGS += -ffunction-sections -fdata-sections -flto
TARGET_LDFLAGS += -Wl,--gc-sections
endif
ifeq ($(BUILD_VARIANT),full)
full:=1
else
full:=0
endif
MAKE_VARS = \
EXTRA_CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
LDFLAGS="$(TARGET_LDFLAGS)"
MAKE_FLAGS += \
OUTPUT="$(PKG_BUILD_DIR)/" \
prefix="/usr" \
$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
LIBSUBDIR=lib \
check_feat=0 \
feature-clang-bpf-co-re=0 \
feature-reallocarray=1 \
feature-zlib=1 \
feature-libbfd=$(full) \
feature-libcap=0 \
feature-disassembler-four-args=$(full)
ifeq ($(BUILD_VARIANT),lib)
MAKE_PATH = libbpf/src
else
MAKE_PATH = src
endif
define Build/InstallDev/libbpf
$(INSTALL_DIR) $(1)/usr/include/bpf
$(CP) $(PKG_INSTALL_DIR)/usr/include/bpf/*.h $(1)/usr/include/bpf/
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libbpf.{a,so*} \
$(1)/usr/lib/
$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libbpf.pc \
$(1)/usr/lib/pkgconfig/
$(SED) 's,/usr/include,$$$${prefix}/include,g' \
$(1)/usr/lib/pkgconfig/libbpf.pc
$(SED) 's,/usr/lib,$$$${exec_prefix}/lib,g' \
$(1)/usr/lib/pkgconfig/libbpf.pc
endef
ifeq ($(BUILD_VARIANT),lib)
Build/InstallDev=$(Build/InstallDev/libbpf)
endif
define Package/bpftool-$(BUILD_VARIANT)/install
$(INSTALL_DIR) $(1)/usr/libexec
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/bpftool \
$(1)/usr/libexec/bpftool-$(BUILD_VARIANT)
endef
define Package/libbpf/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libbpf.so.* $(1)/usr/lib/
endef
$(eval $(call BuildPackage,libbpf))
$(eval $(call BuildPackage,bpftool-full))
$(eval $(call BuildPackage,bpftool-minimal))
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