package/network/utils/bpftools/Makefile

   1 #
   2 # Copyright (C) 2020 Tony Ambardar <itugrok@yahoo.com>
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 include $(TOPDIR)/rules.mk
   9
  10 PKG_NAME:=bpftools
  11 PKG_RELEASE:=1
  12
  13 PKG_SOURCE_URL:=https://github.com/libbpf/bpftool
  14 PKG_SOURCE_PROTO:=git
  15 PKG_SOURCE_DATE:=2022-03-08
  16 PKG_SOURCE_VERSION:=04c465fd1f561f67796dc68bbfe1aa7cfa956c3c
  17 PKG_MIRROR_HASH:=e22a954cd186f43228a96586bbdc120b11e6c87360ab88ae96ba37afb9c7cb58
  18 PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
  19
  20 PKG_MAINTAINER:=Tony Ambardar <itugrok@yahoo.com>
  21
  22 PKG_USE_MIPS16:=0
  23 PKG_BUILD_PARALLEL:=1
  24 PKG_INSTALL:=1
  25
  26 include $(INCLUDE_DIR)/package.mk
  27 include $(INCLUDE_DIR)/nls.mk
  28
  29 define Package/bpftool/Default
  30   SECTION:=net
  31   CATEGORY:=Network
  32   TITLE:=bpftool - eBPF subsystem utility
  33   LICENSE:=GPL-2.0-only OR BSD-2-Clause
  34   URL:=http://www.kernel.org
  35   DEPENDS:=+libelf
  36 endef
  37
  38 define Package/bpftool-minimal
  39   $(call Package/bpftool/Default)
  40   TITLE+= (Minimal)
  41   VARIANT:=minimal
  42   DEFAULT_VARIANT:=1
  43   PROVIDES:=bpftool
  44   ALTERNATIVES:=200:/usr/sbin/bpftool:/usr/libexec/bpftool-minimal
  45 endef
  46
  47 define Package/bpftool-full
  48   $(call Package/bpftool/Default)
  49   TITLE+= (Full)
  50   VARIANT:=full
  51   PROVIDES:=bpftool
  52   ALTERNATIVES:=300:/usr/sbin/bpftool:/usr/libexec/bpftool-full
  53   DEPENDS+= +libbfd +libopcodes
  54 endef
  55
  56 define Package/bpftool-minimal/description
  57   A tool for inspection and simple manipulation of eBPF programs and maps.
  58 endef
  59
  60 define Package/bpftool-full/description
  61   A tool for inspection and simple manipulation of eBPF programs and maps.
  62   This full version uses libbfd and libopcodes to support disassembly of
  63   eBPF programs and jited code.
  64 endef
  65
  66 define Package/libbpf
  67   SECTION:=libs
  68   CATEGORY:=Libraries
  69   TITLE:=libbpf - eBPF helper library
  70   VARIANT:=lib
  71   LICENSE:=LGPL-2.1 OR BSD-2-Clause
  72   ABI_VERSION:=$(PKG_ABI_VERSION)
  73   URL:=http://www.kernel.org
  74   DEPENDS:=+libelf
  75 endef
  76
  77 define Package/libbpf/description
  78   libbpf is a library for loading eBPF programs and reading and manipulating eBPF objects from user-space.
  79 endef
  80
  81
  82 # LTO not compatible with DSO using PIC
  83 ifneq ($(BUILD_VARIANT),lib)
  84   TARGET_CFLAGS += -ffunction-sections -fdata-sections -flto
  85   TARGET_LDFLAGS += -Wl,--gc-sections
  86 endif
  87
  88 ifeq ($(BUILD_VARIANT),full)
  89   full:=1
  90 else
  91   full:=0
  92 endif
  93
  94 MAKE_VARS = \
  95         EXTRA_CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
  96         LDFLAGS="$(TARGET_LDFLAGS)"
  97
  98 MAKE_FLAGS += \
  99         OUTPUT="$(PKG_BUILD_DIR)/" \
 100         prefix="/usr" \
 101         $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
 102         LIBSUBDIR=lib \
 103         check_feat=0 \
 104         feature-clang-bpf-co-re=0 \
 105         feature-reallocarray=1 \
 106         feature-zlib=1 \
 107         feature-libbfd=$(full) \
 108         feature-libcap=0 \
 109         feature-disassembler-four-args=$(full)
 110
 111 ifeq ($(BUILD_VARIANT),lib)
 112   MAKE_PATH = libbpf/src
 113 else
 114   MAKE_PATH = src
 115 endif
 116
 117 define Build/InstallDev/libbpf
 118         $(INSTALL_DIR) $(1)/usr/include/bpf
 119         $(CP) $(PKG_INSTALL_DIR)/usr/include/bpf/*.h $(1)/usr/include/bpf/
 120         $(INSTALL_DIR) $(1)/usr/lib
 121         $(CP) $(PKG_INSTALL_DIR)/usr/lib/libbpf.{a,so*} \
 122                 $(1)/usr/lib/
 123         $(INSTALL_DIR) $(1)/usr/lib/pkgconfig
 124         $(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libbpf.pc \
 125                 $(1)/usr/lib/pkgconfig/
 126         $(SED) 's,/usr/include,$$$${prefix}/include,g' \
 127                 $(1)/usr/lib/pkgconfig/libbpf.pc
 128         $(SED) 's,/usr/lib,$$$${exec_prefix}/lib,g' \
 129                 $(1)/usr/lib/pkgconfig/libbpf.pc
 130 endef
 131
 132 ifeq ($(BUILD_VARIANT),lib)
 133   Build/InstallDev=$(Build/InstallDev/libbpf)
 134 endif
 135
 136 define Package/bpftool-$(BUILD_VARIANT)/install
 137         $(INSTALL_DIR) $(1)/usr/libexec
 138         $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/bpftool \
 139                 $(1)/usr/libexec/bpftool-$(BUILD_VARIANT)
 140 endef
 141
 142 define Package/libbpf/install
 143         $(INSTALL_DIR) $(1)/usr/lib
 144         $(CP) $(PKG_INSTALL_DIR)/usr/lib/libbpf.so.* $(1)/usr/lib/
 145 endef
 146
 147 $(eval $(call BuildPackage,libbpf))
 148 $(eval $(call BuildPackage,bpftool-full))
 149 $(eval $(call BuildPackage,bpftool-minimal))