==> Synchronizing chroot copy [/chroot/armv7h/root] -> [build]...done
==> Making package: xprobe2 0.3-3 (Mon Mar  4 22:35:20 2019)
==> Retrieving sources...
  -> Found xprobe2-0.3.tar.gz
  -> Found gcc6.1-fixes.patch
==> Validating source files with sha512sums...
    xprobe2-0.3.tar.gz ... Passed
    gcc6.1-fixes.patch ... Passed
Host and machine ids are equal (2b3dd5a7c7b749ff93431232041f2429): refusing to link journals
==> Making package: xprobe2 0.3-3 (Mon 04 Mar 2019 10:35:24 PM EST)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Found xprobe2-0.3.tar.gz
  -> Found gcc6.1-fixes.patch
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Extracting xprobe2-0.3.tar.gz with bsdtar
==> Starting prepare()...
patching file cfg-scripts/config.guess
patching file cfg-scripts/config.sub
patching file libs-external/USI++/src/ip.cc
patching file libs-external/USI++/src/misc.cc
patching file libs-external/USI++/usi++/tcp.h
==> Starting build()...
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking for ranlib... ranlib
checking build system type... aarch64-unknown-linux-gnu
checking host system type... aarch64-unknown-linux-gnu
checking how to run the C++ preprocessor... g++ -E
checking for egrep... grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for strings.h... (cached) yes
checking for string.h... (cached) yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking glib.h usability... no
checking glib.h presence... no
checking for glib.h... no
checking dlfcn.h usability... yes
checking dlfcn.h presence... yes
checking for dlfcn.h... yes
checking if sa_len is in struct sockaddr... no
checking for pcap_datalink in -lpcap... yes
checking for dlfcn.h... (cached) yes
checking for a BSD-compatible install... /usr/bin/install -c
checking whether make sets $(MAKE)... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating src/defines.h
config.status: creating src/Makefile
config.status: creating src/xplib/Makefile
config.status: creating src/xpmodules/Makefile
config.status: creating src/xpmodules/alive_probe/Makefile
config.status: creating src/xpmodules/alive_probe/ttl_calc/Makefile
config.status: creating src/xpmodules/alive_probe/portscanner/Makefile
config.status: creating src/xpmodules/os_probe/Makefile
config.status: creating src/xpmodules/os_probe/icmp_echo_id/Makefile
config.status: creating src/xpmodules/os_probe/icmp_timestamp/Makefile
config.status: creating src/xpmodules/os_probe/icmp_addrmask/Makefile
config.status: creating src/xpmodules/os_probe/icmp_inforeq/Makefile
config.status: creating src/xpmodules/os_probe/icmp_port_unreach/Makefile
config.status: creating src/xpmodules/os_probe/tcp_handshake/Makefile
config.status: creating src/xpmodules/os_probe/tcp_rst/Makefile
config.status: creating src/xpmodules/os_probe/smb/Makefile
config.status: creating src/xpmodules/os_probe/snmp/Makefile
config.status: creating src/config.h
configure: configuring in libs-external/USI++/src
configure: running /bin/sh './configure' --prefix=/usr  '--prefix=/usr' '--sysconfdir=/etc' 'CFLAGS=-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -O2 -pipe -fstack-protector --param=ssp-buffer-size=4' 'CPPFLAGS=-D_FORTIFY_SOURCE=2' 'CXXFLAGS=-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -O2 -pipe -fstack-protector --param=ssp-buffer-size=4' 'LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro' --cache-file=/dev/null --srcdir=.
checking build system type... cfgaux/config.guess: unable to guess system type

This script, last modified 2004-09-07, has failed to recognize
the operating system you are using. It is advised that you
download the most up to date version of the config scripts from

    ftp://ftp.gnu.org/pub/gnu/config/

If the version you run (cfgaux/config.guess) is already up to date, please
send the following data and any information you think might be
pertinent to <config-patches@gnu.org> in order to provide the needed
information to handle your system.

config.guess timestamp = 2004-09-07

uname -m = aarch64
uname -r = 3.16.63-1-ARCH
uname -s = Linux
uname -v = #1 SMP PREEMPT Sat Feb 23 12:06:13 MST 2019

/usr/bin/uname -p = unknown
/bin/uname -X     = 

hostinfo               = 
/bin/universe          = 
/usr/bin/arch -k       = 
/bin/arch              = 
/usr/bin/oslevel       = 
/usr/convex/getsysinfo = 

UNAME_MACHINE = aarch64
UNAME_RELEASE = 3.16.63-1-ARCH
UNAME_SYSTEM  = Linux
UNAME_VERSION = #1 SMP PREEMPT Sat Feb 23 12:06:13 MST 2019
configure: error: cannot guess build type; you must specify one
configure: error: /bin/sh './configure' failed for libs-external/USI++/src
==> ERROR: A failure occurred in build().
    Aborting...
==> ERROR: Build failed, check /chroot/armv7h/build/build