tools/testing/selftests/wireguard/qemu/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
   4
   5 PWD := $(shell pwd)
   6
   7 CHOST := $(shell gcc -dumpmachine)
   8 HOST_ARCH := $(firstword $(subst -, ,$(CHOST)))
   9 ifneq (,$(ARCH))
  10 CBUILD := $(subst -gcc,,$(lastword $(subst /, ,$(firstword $(wildcard $(foreach bindir,$(subst :, ,$(PATH)),$(bindir)/$(ARCH)-*-gcc))))))
  11 ifeq (,$(CBUILD))
  12 $(error The toolchain for $(ARCH) is not installed)
  13 endif
  14 else
  15 CBUILD := $(CHOST)
  16 ARCH := $(firstword $(subst -, ,$(CBUILD)))
  17 endif
  18
  19 # Set these from the environment to override
  20 KERNEL_PATH ?= $(PWD)/../../../../..
  21 BUILD_PATH ?= $(PWD)/build/$(ARCH)
  22 DISTFILES_PATH ?= $(PWD)/distfiles
  23 NR_CPUS ?= 4
  24
  25 MIRROR := https://download.wireguard.com/qemu-test/distfiles/
  26
  27 default: qemu
  28
  29 # variable name, tarball project name, version, tarball extension, default URI base
  30 define tar_download =
  31 $(1)_VERSION := $(3)
  32 $(1)_NAME := $(2)-$$($(1)_VERSION)
  33 $(1)_TAR := $(DISTFILES_PATH)/$$($(1)_NAME)$(4)
  34 $(1)_PATH := $(BUILD_PATH)/$$($(1)_NAME)
  35 $(call file_download,$$($(1)_NAME)$(4),$(5),$(6))
  36 endef
  37
  38 define file_download =
  39 $(DISTFILES_PATH)/$(1):
  40         mkdir -p $(DISTFILES_PATH)
  41         flock -x $$@.lock -c '[ -f $$@ ] && exit 0; wget -O $$@.tmp $(MIRROR)$(1) || wget -O $$@.tmp $(2)$(1) || rm -f $$@.tmp; [ -f $$@.tmp ] || exit 1; if echo "$(3)  $$@.tmp" | sha256sum -c -; then mv $$@.tmp $$@; else rm -f $$@.tmp; exit 71; fi'
  42 endef
  43
  44 $(eval $(call tar_download,MUSL,musl,1.1.24,.tar.gz,https://www.musl-libc.org/releases/,1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3))
  45 $(eval $(call tar_download,IPERF,iperf,3.7,.tar.gz,https://downloads.es.net/pub/iperf/,d846040224317caf2f75c843d309a950a7db23f9b44b94688ccbe557d6d1710c))
  46 $(eval $(call tar_download,BASH,bash,5.0,.tar.gz,https://ftp.gnu.org/gnu/bash/,b4a80f2ac66170b2913efbfb9f2594f1f76c7b1afd11f799e22035d63077fb4d))
  47 $(eval $(call tar_download,IPROUTE2,iproute2,5.4.0,.tar.xz,https://www.kernel.org/pub/linux/utils/net/iproute2/,fe97aa60a0d4c5ac830be18937e18dc3400ca713a33a89ad896ff1e3d46086ae))
  48 $(eval $(call tar_download,IPTABLES,iptables,1.8.4,.tar.bz2,https://www.netfilter.org/projects/iptables/files/,993a3a5490a544c2cbf2ef15cf7e7ed21af1845baf228318d5c36ef8827e157c))
  49 $(eval $(call tar_download,NMAP,nmap,7.80,.tar.bz2,https://nmap.org/dist/,fcfa5a0e42099e12e4bf7a68ebe6fde05553383a682e816a7ec9256ab4773faa))
  50 $(eval $(call tar_download,IPUTILS,iputils,s20190709,.tar.gz,https://github.com/iputils/iputils/archive/s20190709.tar.gz/#,a15720dd741d7538dd2645f9f516d193636ae4300ff7dbc8bfca757bf166490a))
  51 $(eval $(call tar_download,WIREGUARD_TOOLS,wireguard-tools,1.0.20200206,.tar.xz,https://git.zx2c4.com/wireguard-tools/snapshot/,f5207248c6a3c3e3bfc9ab30b91c1897b00802ed861e1f9faaed873366078c64))
  52
  53 KERNEL_BUILD_PATH := $(BUILD_PATH)/kernel$(if $(findstring yes,$(DEBUG_KERNEL)),-debug)
  54 rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
  55 WIREGUARD_SOURCES := $(call rwildcard,$(KERNEL_PATH)/drivers/net/wireguard/,*)
  56
  57 export CFLAGS ?= -O3 -pipe
  58 export LDFLAGS ?=
  59 export CPPFLAGS := -I$(BUILD_PATH)/include
  60
  61 ifeq ($(HOST_ARCH),$(ARCH))
  62 CROSS_COMPILE_FLAG := --host=$(CHOST)
  63 CFLAGS += -march=native
  64 STRIP := strip
  65 else
  66 $(info Cross compilation: building for $(CBUILD) using $(CHOST))
  67 CROSS_COMPILE_FLAG := --build=$(CBUILD) --host=$(CHOST)
  68 export CROSS_COMPILE=$(CBUILD)-
  69 STRIP := $(CBUILD)-strip
  70 endif
  71 ifeq ($(ARCH),aarch64)
  72 QEMU_ARCH := aarch64
  73 KERNEL_ARCH := arm64
  74 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm64/boot/Image
  75 ifeq ($(HOST_ARCH),$(ARCH))
  76 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
  77 else
  78 QEMU_MACHINE := -cpu cortex-a53 -machine virt
  79 CFLAGS += -march=armv8-a -mtune=cortex-a53
  80 endif
  81 else ifeq ($(ARCH),aarch64_be)
  82 QEMU_ARCH := aarch64
  83 KERNEL_ARCH := arm64
  84 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm64/boot/Image
  85 ifeq ($(HOST_ARCH),$(ARCH))
  86 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
  87 else
  88 QEMU_MACHINE := -cpu cortex-a53 -machine virt
  89 CFLAGS += -march=armv8-a -mtune=cortex-a53
  90 endif
  91 else ifeq ($(ARCH),arm)
  92 QEMU_ARCH := arm
  93 KERNEL_ARCH := arm
  94 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm/boot/zImage
  95 ifeq ($(HOST_ARCH),$(ARCH))
  96 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
  97 else
  98 QEMU_MACHINE := -cpu cortex-a15 -machine virt
  99 CFLAGS += -march=armv7-a -mtune=cortex-a15 -mabi=aapcs-linux
 100 endif
 101 else ifeq ($(ARCH),armeb)
 102 QEMU_ARCH := arm
 103 KERNEL_ARCH := arm
 104 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm/boot/zImage
 105 ifeq ($(HOST_ARCH),$(ARCH))
 106 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
 107 else
 108 QEMU_MACHINE := -cpu cortex-a15 -machine virt
 109 CFLAGS += -march=armv7-a -mabi=aapcs-linux # We don't pass -mtune=cortex-a15 due to a compiler bug on big endian.
 110 LDFLAGS += -Wl,--be8
 111 endif
 112 else ifeq ($(ARCH),x86_64)
 113 QEMU_ARCH := x86_64
 114 KERNEL_ARCH := x86_64
 115 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/x86/boot/bzImage
 116 ifeq ($(HOST_ARCH),$(ARCH))
 117 QEMU_MACHINE := -cpu host -machine q35,accel=kvm
 118 else
 119 QEMU_MACHINE := -cpu Skylake-Server -machine q35
 120 CFLAGS += -march=skylake-avx512
 121 endif
 122 else ifeq ($(ARCH),i686)
 123 QEMU_ARCH := i386
 124 KERNEL_ARCH := x86
 125 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/x86/boot/bzImage
 126 ifeq ($(subst x86_64,i686,$(HOST_ARCH)),$(ARCH))
 127 QEMU_MACHINE := -cpu host -machine q35,accel=kvm
 128 else
 129 QEMU_MACHINE := -cpu coreduo -machine q35
 130 CFLAGS += -march=prescott
 131 endif
 132 else ifeq ($(ARCH),mips64)
 133 QEMU_ARCH := mips64
 134 KERNEL_ARCH := mips
 135 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
 136 ifeq ($(HOST_ARCH),$(ARCH))
 137 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 138 CFLAGS += -EB
 139 else
 140 QEMU_MACHINE := -cpu MIPS64R2-generic -machine malta -smp 1
 141 CFLAGS += -march=mips64r2 -EB
 142 endif
 143 else ifeq ($(ARCH),mips64el)
 144 QEMU_ARCH := mips64el
 145 KERNEL_ARCH := mips
 146 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
 147 ifeq ($(HOST_ARCH),$(ARCH))
 148 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 149 CFLAGS += -EL
 150 else
 151 QEMU_MACHINE := -cpu MIPS64R2-generic -machine malta -smp 1
 152 CFLAGS += -march=mips64r2 -EL
 153 endif
 154 else ifeq ($(ARCH),mips)
 155 QEMU_ARCH := mips
 156 KERNEL_ARCH := mips
 157 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
 158 ifeq ($(HOST_ARCH),$(ARCH))
 159 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 160 CFLAGS += -EB
 161 else
 162 QEMU_MACHINE := -cpu 24Kf -machine malta -smp 1
 163 CFLAGS += -march=mips32r2 -EB
 164 endif
 165 else ifeq ($(ARCH),mipsel)
 166 QEMU_ARCH := mipsel
 167 KERNEL_ARCH := mips
 168 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
 169 ifeq ($(HOST_ARCH),$(ARCH))
 170 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 171 CFLAGS += -EL
 172 else
 173 QEMU_MACHINE := -cpu 24Kf -machine malta -smp 1
 174 CFLAGS += -march=mips32r2 -EL
 175 endif
 176 else ifeq ($(ARCH),powerpc64le)
 177 QEMU_ARCH := ppc64
 178 KERNEL_ARCH := powerpc
 179 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
 180 ifeq ($(HOST_ARCH),$(ARCH))
 181 QEMU_MACHINE := -cpu host,accel=kvm -machine pseries
 182 else
 183 QEMU_MACHINE := -machine pseries
 184 endif
 185 CFLAGS += -mcpu=powerpc64le -mlong-double-64
 186 else ifeq ($(ARCH),powerpc)
 187 QEMU_ARCH := ppc
 188 KERNEL_ARCH := powerpc
 189 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/powerpc/boot/uImage
 190 ifeq ($(HOST_ARCH),$(ARCH))
 191 QEMU_MACHINE := -cpu host,accel=kvm -machine ppce500
 192 else
 193 QEMU_MACHINE := -machine ppce500
 194 endif
 195 CFLAGS += -mcpu=powerpc -mlong-double-64 -msecure-plt
 196 else ifeq ($(ARCH),m68k)
 197 QEMU_ARCH := m68k
 198 KERNEL_ARCH := m68k
 199 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
 200 KERNEL_CMDLINE := $(shell sed -n 's/CONFIG_CMDLINE=\(.*\)/\1/p' arch/m68k.config)
 201 ifeq ($(HOST_ARCH),$(ARCH))
 202 QEMU_MACHINE := -cpu host,accel=kvm -machine q800 -smp 1 -append $(KERNEL_CMDLINE)
 203 else
 204 QEMU_MACHINE := -machine q800 -smp 1 -append $(KERNEL_CMDLINE)
 205 endif
 206 else
 207 $(error I only build: x86_64, i686, arm, armeb, aarch64, aarch64_be, mips, mipsel, mips64, mips64el, powerpc64le, powerpc, m68k)
 208 endif
 209
 210 REAL_CC := $(CBUILD)-gcc
 211 MUSL_CC := $(BUILD_PATH)/musl-gcc
 212 export CC := $(MUSL_CC)
 213 USERSPACE_DEPS := $(MUSL_CC) $(BUILD_PATH)/include/.installed $(BUILD_PATH)/include/linux/.installed
 214
 215 build: $(KERNEL_BZIMAGE)
 216 qemu: $(KERNEL_BZIMAGE)
 217         rm -f $(BUILD_PATH)/result
 218         timeout --foreground 20m qemu-system-$(QEMU_ARCH) \
 219                 -nodefaults \
 220                 -nographic \
 221                 -smp $(NR_CPUS) \
 222                 $(QEMU_MACHINE) \
 223                 -m $$(grep -q CONFIG_DEBUG_KMEMLEAK=y $(KERNEL_BUILD_PATH)/.config && echo 1G || echo 256M) \
 224                 -serial stdio \
 225                 -serial file:$(BUILD_PATH)/result \
 226                 -no-reboot \
 227                 -monitor none \
 228                 -kernel $<
 229         grep -Fq success $(BUILD_PATH)/result
 230
 231 $(BUILD_PATH)/init-cpio-spec.txt:
 232         mkdir -p $(BUILD_PATH)
 233         echo "file /init $(BUILD_PATH)/init 755 0 0" > $@
 234         echo "file /init.sh $(PWD)/../netns.sh 755 0 0" >> $@
 235         echo "dir /dev 755 0 0" >> $@
 236         echo "nod /dev/console 644 0 0 c 5 1" >> $@
 237         echo "dir /bin 755 0 0" >> $@
 238         echo "file /bin/iperf3 $(IPERF_PATH)/src/iperf3 755 0 0" >> $@
 239         echo "file /bin/wg $(WIREGUARD_TOOLS_PATH)/src/wg 755 0 0" >> $@
 240         echo "file /bin/bash $(BASH_PATH)/bash 755 0 0" >> $@
 241         echo "file /bin/ip $(IPROUTE2_PATH)/ip/ip 755 0 0" >> $@
 242         echo "file /bin/ss $(IPROUTE2_PATH)/misc/ss 755 0 0" >> $@
 243         echo "file /bin/ping $(IPUTILS_PATH)/ping 755 0 0" >> $@
 244         echo "file /bin/ncat $(NMAP_PATH)/ncat/ncat 755 0 0" >> $@
 245         echo "file /bin/xtables-legacy-multi $(IPTABLES_PATH)/iptables/xtables-legacy-multi 755 0 0" >> $@
 246         echo "slink /bin/iptables xtables-legacy-multi 777 0 0" >> $@
 247         echo "slink /bin/ping6 ping 777 0 0" >> $@
 248         echo "dir /lib 755 0 0" >> $@
 249         echo "file /lib/libc.so $(MUSL_PATH)/lib/libc.so 755 0 0" >> $@
 250         echo "slink /lib/ld-linux.so.1 libc.so 777 0 0" >> $@
 251
 252 $(KERNEL_BUILD_PATH)/.config: kernel.config arch/$(ARCH).config
 253         mkdir -p $(KERNEL_BUILD_PATH)
 254         cp kernel.config $(KERNEL_BUILD_PATH)/minimal.config
 255         printf 'CONFIG_NR_CPUS=$(NR_CPUS)\nCONFIG_INITRAMFS_SOURCE="$(BUILD_PATH)/init-cpio-spec.txt"\n' >> $(KERNEL_BUILD_PATH)/minimal.config
 256         cat arch/$(ARCH).config >> $(KERNEL_BUILD_PATH)/minimal.config
 257         $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) allnoconfig
 258         cd $(KERNEL_BUILD_PATH) && ARCH=$(KERNEL_ARCH) $(KERNEL_PATH)/scripts/kconfig/merge_config.sh -n $(KERNEL_BUILD_PATH)/.config $(KERNEL_BUILD_PATH)/minimal.config
 259         $(if $(findstring yes,$(DEBUG_KERNEL)),cp debug.config $(KERNEL_BUILD_PATH) && cd $(KERNEL_BUILD_PATH) && ARCH=$(KERNEL_ARCH) $(KERNEL_PATH)/scripts/kconfig/merge_config.sh -n $(KERNEL_BUILD_PATH)/.config debug.config,)
 260
 261 $(KERNEL_BZIMAGE): $(KERNEL_BUILD_PATH)/.config $(BUILD_PATH)/init-cpio-spec.txt $(MUSL_PATH)/lib/libc.so $(IPERF_PATH)/src/iperf3 $(IPUTILS_PATH)/ping $(BASH_PATH)/bash $(IPROUTE2_PATH)/misc/ss $(IPROUTE2_PATH)/ip/ip $(IPTABLES_PATH)/iptables/xtables-legacy-multi $(NMAP_PATH)/ncat/ncat $(WIREGUARD_TOOLS_PATH)/src/wg $(BUILD_PATH)/init ../netns.sh $(WIREGUARD_SOURCES)
 262         $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE)
 263
 264 $(BUILD_PATH)/include/linux/.installed: | $(KERNEL_BUILD_PATH)/.config
 265         $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) INSTALL_HDR_PATH=$(BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE) headers_install
 266         touch $@
 267
 268 $(MUSL_PATH)/lib/libc.so: $(MUSL_TAR)
 269         mkdir -p $(BUILD_PATH)
 270         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 271         cd $(MUSL_PATH) && CC=$(REAL_CC) ./configure --prefix=/ --disable-static --build=$(CBUILD)
 272         $(MAKE) -C $(MUSL_PATH)
 273         $(STRIP) -s $@
 274
 275 $(BUILD_PATH)/include/.installed: $(MUSL_PATH)/lib/libc.so
 276         $(MAKE) -C $(MUSL_PATH) DESTDIR=$(BUILD_PATH) install-headers
 277         touch $@
 278
 279 $(MUSL_CC): $(MUSL_PATH)/lib/libc.so
 280         sh $(MUSL_PATH)/tools/musl-gcc.specs.sh $(BUILD_PATH)/include $(MUSL_PATH)/lib /lib/ld-linux.so.1 > $(BUILD_PATH)/musl-gcc.specs
 281         printf '#!/bin/sh\nexec "$(REAL_CC)" --specs="$(BUILD_PATH)/musl-gcc.specs" "$$@"\n' > $(BUILD_PATH)/musl-gcc
 282         chmod +x $(BUILD_PATH)/musl-gcc
 283
 284 $(IPERF_PATH)/.installed: $(IPERF_TAR)
 285         mkdir -p $(BUILD_PATH)
 286         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 287         sed -i '1s/^/#include <stdint.h>/' $(IPERF_PATH)/src/cjson.h $(IPERF_PATH)/src/timer.h
 288         sed -i -r 's/-p?g//g' $(IPERF_PATH)/src/Makefile*
 289         touch $@
 290
 291 $(IPERF_PATH)/src/iperf3: | $(IPERF_PATH)/.installed $(USERSPACE_DEPS)
 292         cd $(IPERF_PATH) && CFLAGS="$(CFLAGS) -D_GNU_SOURCE" ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --with-openssl=no
 293         $(MAKE) -C $(IPERF_PATH)
 294         $(STRIP) -s $@
 295
 296 $(WIREGUARD_TOOLS_PATH)/.installed: $(WIREGUARD_TOOLS_TAR)
 297         mkdir -p $(BUILD_PATH)
 298         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 299         touch $@
 300
 301 $(WIREGUARD_TOOLS_PATH)/src/wg: | $(WIREGUARD_TOOLS_PATH)/.installed $(USERSPACE_DEPS)
 302         $(MAKE) -C $(WIREGUARD_TOOLS_PATH)/src wg
 303         $(STRIP) -s $@
 304
 305 $(BUILD_PATH)/init: init.c | $(USERSPACE_DEPS)
 306         mkdir -p $(BUILD_PATH)
 307         $(MUSL_CC) -o $@ $(CFLAGS) $(LDFLAGS) -std=gnu11 $<
 308         $(STRIP) -s $@
 309
 310 $(IPUTILS_PATH)/.installed: $(IPUTILS_TAR)
 311         mkdir -p $(BUILD_PATH)
 312         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 313         touch $@
 314
 315 $(IPUTILS_PATH)/ping: | $(IPUTILS_PATH)/.installed $(USERSPACE_DEPS)
 316         sed -i /atexit/d $(IPUTILS_PATH)/ping.c
 317         cd $(IPUTILS_PATH) && $(CC) $(CFLAGS) -std=c99 -o $@ ping.c ping_common.c ping6_common.c iputils_common.c -D_GNU_SOURCE -D'IPUTILS_VERSION(f)=f' -lresolv $(LDFLAGS)
 318         $(STRIP) -s $@
 319
 320 $(BASH_PATH)/.installed: $(BASH_TAR)
 321         mkdir -p $(BUILD_PATH)
 322         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 323         touch $@
 324
 325 $(BASH_PATH)/bash: | $(BASH_PATH)/.installed $(USERSPACE_DEPS)
 326         cd $(BASH_PATH) && ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --without-bash-malloc --disable-debugger --disable-help-builtin --disable-history --disable-multibyte --disable-progcomp --disable-readline --disable-mem-scramble
 327         $(MAKE) -C $(BASH_PATH)
 328         $(STRIP) -s $@
 329
 330 $(IPROUTE2_PATH)/.installed: $(IPROUTE2_TAR)
 331         mkdir -p $(BUILD_PATH)
 332         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 333         printf 'CC:=$(CC)\nPKG_CONFIG:=pkg-config\nTC_CONFIG_XT:=n\nTC_CONFIG_ATM:=n\nTC_CONFIG_IPSET:=n\nIP_CONFIG_SETNS:=y\nHAVE_ELF:=n\nHAVE_MNL:=n\nHAVE_BERKELEY_DB:=n\nHAVE_LATEX:=n\nHAVE_PDFLATEX:=n\nCFLAGS+=-DHAVE_SETNS\n' > $(IPROUTE2_PATH)/config.mk
 334         printf 'lib: snapshot\n\t$$(MAKE) -C lib\nip/ip: lib\n\t$$(MAKE) -C ip ip\nmisc/ss: lib\n\t$$(MAKE) -C misc ss\n' >> $(IPROUTE2_PATH)/Makefile
 335         touch $@
 336
 337 $(IPROUTE2_PATH)/ip/ip: | $(IPROUTE2_PATH)/.installed $(USERSPACE_DEPS)
 338         $(MAKE) -C $(IPROUTE2_PATH) PREFIX=/ ip/ip
 339         $(STRIP) -s $@
 340
 341 $(IPROUTE2_PATH)/misc/ss: | $(IPROUTE2_PATH)/.installed $(USERSPACE_DEPS)
 342         $(MAKE) -C $(IPROUTE2_PATH) PREFIX=/ misc/ss
 343         $(STRIP) -s $@
 344
 345 $(IPTABLES_PATH)/.installed: $(IPTABLES_TAR)
 346         mkdir -p $(BUILD_PATH)
 347         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 348         sed -i -e "/nfnetlink=[01]/s:=[01]:=0:" -e "/nfconntrack=[01]/s:=[01]:=0:" $(IPTABLES_PATH)/configure
 349         touch $@
 350
 351 $(IPTABLES_PATH)/iptables/xtables-legacy-multi: | $(IPTABLES_PATH)/.installed $(USERSPACE_DEPS)
 352         cd $(IPTABLES_PATH) && ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --disable-nftables --disable-bpf-compiler --disable-nfsynproxy --disable-libipq --disable-connlabel --with-kernel=$(BUILD_PATH)/include
 353         $(MAKE) -C $(IPTABLES_PATH)
 354         $(STRIP) -s $@
 355
 356 $(NMAP_PATH)/.installed: $(NMAP_TAR)
 357         mkdir -p $(BUILD_PATH)
 358         flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 359         touch $@
 360
 361 $(NMAP_PATH)/ncat/ncat: | $(NMAP_PATH)/.installed $(USERSPACE_DEPS)
 362         cd $(NMAP_PATH) && ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --without-ndiff --without-zenmap --without-nping --with-libpcap=included --with-libpcre=included --with-libdnet=included --without-liblua --with-liblinear=included --without-nmap-update --without-openssl --with-pcap=linux --without-libssh
 363         $(MAKE) -C $(NMAP_PATH)/libpcap
 364         $(MAKE) -C $(NMAP_PATH)/ncat
 365         $(STRIP) -s $@
 366
 367 clean:
 368         rm -rf $(BUILD_PATH)
 369
 370 distclean: clean
 371         rm -rf $(DISTFILES_PATH)
 372
 373 menuconfig: $(KERNEL_BUILD_PATH)/.config
 374         $(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE) menuconfig
 375
 376 .PHONY: qemu build clean distclean menuconfig
 377 .DELETE_ON_ERROR: