package/iputils: add config options to select which binaries to build/install
By default, the iputils build script might build binaries which are useless for certain applications, like tftpd or ninfod. Those binaries will add to the target filesystem size unless a post-build script removes them manually, which is cumbersome and doesn't shorten build times. In particular, in a certain aarch64 Buildroot project with musl selected as a C library, this patch allowed to shrink the full iputils package from 219 KiB (if every option is selected) to 63 KiB (with only the ping binary selected) - a 71.2% relative size decrease. Moreover, upstream recently introduced a commit that disabled tftpd from building by default, like rarpd. In the current state of things, this change will introduce inconveniences for Buildroot users which prefer to use the tftpd implementation provided by this package. With this patch, however, that decision and similar future ones won't be a concern, because they will have complete control of what binaries are built. These changes add Kconfig options which let the user select what binaries are built with ease. Signed-off-by: Alejandro González <alejandro.gonzalez.correo@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Alejandro González
Thomas Petazzoni
parent
616b093428
commit
95b0078cc0
@ -7,3 +7,70 @@ config BR2_PACKAGE_IPUTILS
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etc.
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https://github.com/iputils/iputils
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if BR2_PACKAGE_IPUTILS
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config BR2_PACKAGE_IPUTILS_ARPING
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bool "arping"
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default y
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help
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Installs arping.
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config BR2_PACKAGE_IPUTILS_CLOCKDIFF
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bool "clockdiff"
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default y
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help
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Installs clockdiff.
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config BR2_PACKAGE_IPUTILS_PING
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bool "ping"
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default y
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help
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Installs ping.
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config BR2_PACKAGE_IPUTILS_RARPD
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bool "rarpd"
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help
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Installs rarpd.
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config BR2_PACKAGE_IPUTILS_RDISC
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bool "rdisc"
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default y
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help
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Installs rdisc.
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config BR2_PACKAGE_IPUTILS_RDISC_SERVER
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bool "rdisc (server code)"
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default y
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depends on BR2_PACKAGE_IPUTILS_RDISC
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help
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Builds rdisc with server code.
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config BR2_PACKAGE_IPUTILS_TFTPD
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bool "tftpd"
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help
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Installs tftpd.
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config BR2_PACKAGE_IPUTILS_TRACEPATH
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bool "tracepath"
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default y
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help
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Installs tracepath.
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config BR2_PACKAGE_IPUTILS_TRACEROUTE6
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bool "traceroute6"
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default y
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help
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Installs traceroute6.
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config BR2_PACKAGE_IPUTILS_NINFOD
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bool "ninfod"
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default y
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depends on BR2_TOOLCHAIN_HAS_THREADS # ninfod requires <pthread.h>
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help
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Installs ninfod.
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comment "ninfod needs a toolchain w/ threads"
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depends on !BR2_TOOLCHAIN_HAS_THREADS
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endif
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@ -17,8 +17,74 @@ IPUTILS_LICENSE = GPL-2.0+, BSD-3-Clause
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IPUTILS_LICENSE_FILES = LICENSE Documentation/LICENSE.BSD3 Documentation/LICENSE.GPL2
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IPUTILS_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
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# Selectively build binaries
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IPUTILS_CONF_OPTS += \
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-DBUILD_CLOCKDIFF=$(if $(BR2_PACKAGE_IPUTILS_CLOCKDIFF),true,false) \
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-DBUILD_RARPD=$(if $(BR2_PACKAGE_IPUTILS_RARPD),true,false) \
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-DBUILD_RDISC=$(if $(BR2_PACKAGE_IPUTILS_RDISC),true,false) \
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-DBUILD_RDISC_SERVER=$(if $(BR2_PACKAGE_IPUTILS_RDISC_SERVER),true,false) \
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-DBUILD_TRACEPATH=$(if $(BR2_PACKAGE_IPUTILS_TRACEPATH),true,false) \
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-DBUILD_TRACEROUTE6=$(if $(BR2_PACKAGE_IPUTILS_TRACEROUTE6),true,false) \
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-DBUILD_NINFOD=$(if $(BR2_PACKAGE_IPUTILS_NINFOD),true,false)
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#
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# arping
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#
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ifeq ($(BR2_PACKAGE_IPUTILS_ARPING),y)
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IPUTILS_CONF_OPTS += -DBUILD_ARPING=true
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# move some binaries to the same location as where Busybox installs
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# the corresponding applets, so that we have a single version of the
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# tools (from iputils)
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define IPUTILS_MOVE_ARPING_BINARY
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mv $(TARGET_DIR)/usr/bin/arping $(TARGET_DIR)/usr/sbin/arping
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endef
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IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_MOVE_ARPING_BINARY
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else
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IPUTILS_CONF_OPTS += -DBUILD_ARPING=false
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endif
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#
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# ping
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#
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ifeq ($(BR2_PACKAGE_IPUTILS_PING),y)
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IPUTILS_CONF_OPTS += -DBUILD_PING=true
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# same reason to move the ping binary as for arping
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ifeq ($(BR2_ROOTFS_MERGED_USR),)
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define IPUTILS_MOVE_PING_BINARY
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mv $(TARGET_DIR)/usr/bin/ping $(TARGET_DIR)/bin/ping
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endef
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IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_MOVE_PING_BINARY
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endif
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# upstream requires distros to create symlink
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define IPUTILS_CREATE_PING6_SYMLINK
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ln -sf $(TARGET_DIR)/bin/ping $(TARGET_DIR)/bin/ping6
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endef
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IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_CREATE_PING6_SYMLINK
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else
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IPUTILS_CONF_OPTS += -DBUILD_PING=false
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endif
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#
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# tftpd
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#
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ifeq ($(BR2_PACKAGE_IPUTILS_TFTPD),y)
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IPUTILS_CONF_OPTS += -DBUILD_TFTPD=true
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define IPUTILS_MOVE_TFTPD_BINARY
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mv $(TARGET_DIR)/usr/bin/tftpd $(TARGET_DIR)/usr/sbin/tftpd
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endef
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IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_MOVE_TFTPD_BINARY
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else
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IPUTILS_CONF_OPTS += -DBUILD_TFTPD=false
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endif
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# Handle libraries
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ifeq ($(BR2_PACKAGE_LIBCAP),y)
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IPUTILS_CONF_OPTS += -DUSE_CAP=true
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IPUTILS_DEPENDENCIES += libcap
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@ -37,63 +103,41 @@ ifeq ($(BR2_PACKAGE_SYSTEMD),y)
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IPUTILS_DEPENDENCIES += systemd
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endif
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# ninfod requires <pthread.h>
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ifneq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
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IPUTILS_NINFOD = n
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endif
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ifeq ($(IPUTILS_NINFOD),n)
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IPUTILS_CONF_OPTS += -DBUILD_NINFOD=false
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else
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IPUTILS_CONF_OPTS += -DBUILD_NINFOD=true
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endif
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ifeq ($(BR2_SYSTEM_ENABLE_NLS),y)
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IPUTILS_CONF_OPTS += -DUSE_GETTEXT=true
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else
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IPUTILS_CONF_OPTS += -DUSE_GETTEXT=false
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endif
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IPUTILS_CONF_OPTS += -DBUILD_TRACEROUTE6=true
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# XSL Stylesheets for DocBook 5 not packaged for buildroot
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IPUTILS_CONF_OPTS += -DBUILD_MANS=false -DBUILD_HTML_MANS=false
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# move iputils binaries to the same location as where Busybox installs
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# the corresponding applets, so that we have a single version of the
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# tools (from iputils)
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define IPUTILS_MOVE_BINARIES
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mv $(TARGET_DIR)/usr/bin/arping $(TARGET_DIR)/usr/sbin/arping
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$(if $(BR2_ROOTFS_MERGED_USR),,\
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mv $(TARGET_DIR)/usr/bin/ping $(TARGET_DIR)/bin/ping)
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mv $(TARGET_DIR)/usr/bin/tftpd $(TARGET_DIR)/usr/sbin/tftpd
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endef
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IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_MOVE_BINARIES
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# upstream requires distros to create symlink
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define IPUTILS_CREATE_PING6_SYMLINK
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ln -sf ping $(TARGET_DIR)/bin/ping6
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endef
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IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_CREATE_PING6_SYMLINK
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# handle permissions ourselves
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IPUTILS_CONF_OPTS += -DNO_SETCAP_OR_SUID=true
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ifeq ($(BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES),y)
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define IPUTILS_PERMISSIONS
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/usr/sbin/arping f 755 0 0 - - - - -
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/usr/bin/clockdiff f 755 0 0 - - - - -
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|xattr cap_net_raw+p
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/bin/ping f 755 0 0 - - - - -
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|xattr cap_net_raw+p
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/usr/bin/traceroute6 f 755 0 0 - - - - -
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|xattr cap_net_raw+p
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$(if $(BR2_PACKAGE_IPUTILS_ARPING),\
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/usr/sbin/arping f 755 0 0 - - - - -,)
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$(if $(BR2_PACKAGE_IPUTILS_CLOCKDIFF),\
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/usr/bin/clockdiff f 755 0 0 - - - - -
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|xattr cap_net_raw+p,)
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$(if $(BR2_PACKAGE_IPUTILS_PING),\
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/bin/ping f 755 0 0 - - - - -
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|xattr cap_net_raw+p,)
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$(if $(BR2_PACKAGE_IPUTILS_TRACEROUTE6),\
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/usr/bin/traceroute6 f 755 0 0 - - - - -
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|xattr cap_net_raw+p,)
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endef
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else
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define IPUTILS_PERMISSIONS
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/usr/sbin/arping f 755 0 0 - - - - -
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/usr/bin/clockdiff f 4755 0 0 - - - - -
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/bin/ping f 4755 0 0 - - - - -
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/usr/bin/traceroute6 f 4755 0 0 - - - - -
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$(if $(BR2_PACKAGE_IPUTILS_ARPING),\
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/usr/sbin/arping f 755 0 0 - - - - -,)
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$(if $(BR2_PACKAGE_IPUTILS_CLOCKDIFF),\
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/usr/bin/clockdiff f 4755 0 0 - - - - -,)
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$(if $(BR2_PACKAGE_IPUTILS_PING),\
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/bin/ping f 4755 0 0 - - - - -,)
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$(if $(BR2_PACKAGE_IPUTILS_TRACEROUTE6),\
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/usr/bin/traceroute6 f 4755 0 0 - - - - -,)
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endef
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endif
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