>>> iputils s20190515 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-1/dl/iputils/iputils-s20190515.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515   -xf -
>>> iputils s20190515 Patching

Applying 0001-ninfod-ninfod_name.c-fix-build-with-nettle.patch using patch: 
patching file ninfod/ninfod_name.c
>>> iputils s20190515 Configuring
rm -rf /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515//build
mkdir -p /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515//build
sed -e "s%@TARGET_CROSS@%/home/buildroot/autobuild/run/instance-1/output/host/bin/powerpc64-linux-%g" -e "s%@TARGET_ARCH@%ppc64%g" -e "s%@TARGET_CPU@%power7%g" -e "s%@TARGET_ENDIAN@%"big"%g" -e "s%@TARGET_CFLAGS@%`printf '"%s", ' -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  `%g" -e "s%@TARGET_LDFLAGS@%%g" -e "s%@TARGET_CXXFLAGS@%`printf '"%s", ' -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2  `%g" -e "s%@HOST_DIR@%/home/buildroot/autobuild/run/instance-1/output/host%g" package/meson/cross-compilation.conf.in > /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515//build/cross-compilation.conf
PATH="/home/buildroot/autobuild/run/instance-1/output/host/bin:/home/buildroot/autobuild/run/instance-1/output/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games"  PYTHONNOUSERSITE=y /home/buildroot/autobuild/run/instance-1/output/host/bin/meson --prefix=/usr --libdir=lib --default-library=shared --buildtype=release --cross-file=/home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515//build/cross-compilation.conf -DUSE_CAP=false -DUSE_IDN=false -DUSE_CRYPTO=nettle -DBUILD_MANS=false -DBUILD_HTML_MANS=false /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515/ /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515//build
The Meson build system
Version: 0.50.1
Source dir: /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515
Build dir: /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515/build
Build type: cross build
Project name: iputils
Project version: s20190515
Native C compiler: cc (gcc 4.8.2 "cc (Ubuntu 4.8.2-19ubuntu1) 4.8.2")
Cross C compiler: /home/buildroot/autobuild/run/instance-1/output/host/bin/powerpc64-linux-gcc (gcc 7.4.0)
Host machine cpu family: ppc64
Host machine cpu: power7
Target machine cpu family: ppc64
Target machine cpu: power7
Build machine cpu family: x86_64
Build machine cpu: x86_64
Checking for function "__fpending" : YES
Checking for function "nanosleep" : YES
Checking if "struct icmp6_nodeinfo" compiles: NO
Checking if "struct tm time;" compiles: YES
Library m found: YES
Library resolv found: YES
Checking for function "clock_gettime" : YES
Library disabler-appears-to-disable-executable-build found: NO
Found pkg-config: /home/buildroot/autobuild/run/instance-1/output/host/usr/bin/pkg-config (1.6.1)
Found CMake: NO
Cross dependency disabler-appears-to-disable-executable-build found: NO (tried pkgconfig and cmake)
Cross dependency disabler-appears-to-disable-executable-build found: NO (tried pkgconfig and cmake)
Cross dependency nettle found: YES 3.4.1
Cross dependency systemd found: NO (tried pkgconfig and cmake)
Has header "stdio.h" : YES
Has header "stdlib.h" : YES
Has header "stddef.h" : YES
Has header "gcrypt.h" : NO
Has header "gnutls/openssl.h" : NO
Has header "inttypes.h" : YES
Has header "limits.h" : YES
Has header "linux/rtnetlink.h" : YES
Has header "memory.h" : YES
Has header "netdb.h" : YES
Has header "netinet/icmp6.h" : YES
Has header "netinet/in.h" : YES
Has header "netinet/ip6.h" : YES
Has header "openssl/md5.h" : YES
Has header "pwd.h" : YES
Has header "stdint.h" : YES
Has header "stdlib.h" : YES
Has header "string.h" : YES
Has header "strings.h" : YES
Has header "sys/capability.h" : NO
Has header "syslog.h" : YES
Has header "sys/time.h" : YES
Has header "sys/types.h" : YES
Has header "sys/uio.h" : YES
Has header "sys/utsname.h" : YES
Has header "unistd.h" : YES
Has header "stdio.h" : YES
Has header "stdlib.h" : YES
Has header "stddef.h" : YES
Has header "stdarg.h" : YES
Cross dependency threads found: YES 
Has header "error.h" : YES
Found git repository at 
Configuring config.h using configuration
Program setcap found: NO
Program /usr/sbin/setcap found: NO
Program /sbin/setcap found: NO

meson.build:242:7: ERROR: add_install_script args must be strings

A full log can be found at /home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515/build/meson-logs/meson-log.txt
make: *** [/home/buildroot/autobuild/run/instance-1/output/build/iputils-s20190515/.stamp_configured] Error 1
make: Leaving directory `/home/buildroot/autobuild/run/instance-1/buildroot'