>>> keepalived 2.1.4 Extracting
gzip -d -c /tmp/instance-1/dl/keepalived/keepalived-2.1.4.tar.gz | /tmp/instance-1/output-1/host/bin/tar --strip-components=1 -C /tmp/instance-1/output-1/build/keepalived-2.1.4   -xf -
>>> keepalived 2.1.4 Patching
>>> keepalived 2.1.4 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /tmp/instance-1/output-1/build/keepalived-2.1.4 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> keepalived 2.1.4 Patching libtool
>>> keepalived 2.1.4 Configuring
(cd /tmp/instance-1/output-1/build/keepalived-2.1.4/ && rm -rf config.cache && PATH="/tmp/instance-1/output-1/host/bin:/tmp/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin" AR="/tmp/instance-1/output-1/host/bin/riscv32-linux-ar" AS="/tmp/instance-1/output-1/host/bin/riscv32-linux-as" LD="/tmp/instance-1/output-1/host/bin/riscv32-linux-ld" NM="/tmp/instance-1/output-1/host/bin/riscv32-linux-nm" CC="/tmp/instance-1/output-1/host/bin/riscv32-linux-gcc" GCC="/tmp/instance-1/output-1/host/bin/riscv32-linux-gcc" CPP="/tmp/instance-1/output-1/host/bin/riscv32-linux-cpp" CXX="/tmp/instance-1/output-1/host/bin/riscv32-linux-g++" FC="/tmp/instance-1/output-1/host/bin/riscv32-linux-gfortran" F77="/tmp/instance-1/output-1/host/bin/riscv32-linux-gfortran" RANLIB="/tmp/instance-1/output-1/host/bin/riscv32-linux-ranlib" READELF="/tmp/instance-1/output-1/host/bin/riscv32-linux-readelf" STRIP="/tmp/instance-1/output-1/host/bin/riscv32-linux-strip" OBJCOPY="/tmp/instance-1/output-1/host/bin/riscv32-linux-objcopy" OBJDUMP="/tmp/instance-1/output-1/host/bin/riscv32-linux-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/tmp/instance-1/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/tmp/instance-1/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/tmp/instance-1/output-1/host/include" LDFLAGS_FOR_BUILD="-L/tmp/instance-1/output-1/host/lib -Wl,-rpath,/tmp/instance-1/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/tmp/instance-1/output-1/host/bin/riscv32-linux-as" DEFAULT_LINKER="/tmp/instance-1/output-1/host/bin/riscv32-linux-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  " LDFLAGS="" FCFLAGS=" -Os " FFLAGS=" -Os " PKG_CONFIG="/tmp/instance-1/output-1/host/bin/pkg-config" STAGING_DIR="/tmp/instance-1/output-1/host/riscv32-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl ac_cv_lbl_unaligned_fail=yes ac_cv_func_mmap_fixed_mapped=yes ac_cv_func_memcmp_working=yes ac_cv_have_decl_malloc=yes gl_cv_func_malloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes ac_cv_func_calloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes lt_cv_sys_lib_search_path_spec="" ac_cv_c_bigendian=no   CONFIG_SITE=/dev/null ./configure --target=riscv32-buildroot-linux-gnu --host=riscv32-buildroot-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --localstatedir=/var --program-prefix="" --disable-gtk-doc --disable-gtk-doc-html --disable-doc --disable-docs --disable-documentation --with-xmlto=no --with-fop=no --disable-dependency-tracking --enable-ipv6 --disable-nls --disable-static --enable-shared  --disable-hardening --disable-json --enable-dbus --disable-libnl --disable-libipset --disable-iptables --disable-nftables )
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --with-xmlto, --with-fop, --enable-ipv6, --disable-nls, --disable-static, --enable-shared
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for riscv32-buildroot-linux-gnu-strip... /tmp/instance-1/output-1/host/bin/riscv32-linux-strip
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking pkg-config is at least version 0.9.0... yes
checking for riscv32-buildroot-linux-gnu-gcc... /tmp/instance-1/output-1/host/bin/riscv32-linux-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... yes
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /tmp/instance-1/output-1/host/bin/riscv32-linux-gcc accepts -g... yes
checking for /tmp/instance-1/output-1/host/bin/riscv32-linux-gcc option to accept ISO C89... none needed
checking whether /tmp/instance-1/output-1/host/bin/riscv32-linux-gcc understands -c and -o together... yes
checking for style of include used by make... GNU
checking dependency style of /tmp/instance-1/output-1/host/bin/riscv32-linux-gcc... none
checking whether make sets $(MAKE)... (cached) yes
checking for riscv32-buildroot-linux-gnu-ranlib... /tmp/instance-1/output-1/host/bin/riscv32-linux-ranlib
checking for grep that handles long lines and -e... /bin/grep
checking whether ln -s works... yes
checking for a sed that does not truncate output... /bin/sed
checking for riscv32-buildroot-linux-gnu-strip... (cached) /tmp/instance-1/output-1/host/bin/riscv32-linux-strip
checking for riscv32-buildroot-linux-gnu-ldd... no
checking for ldd... ldd
configure: WARNING: using cross tools not prefixed with host triplet
checking for riscv32-buildroot-linux-gnu-ar... /tmp/instance-1/output-1/host/bin/riscv32-linux-ar
checking the archiver (/tmp/instance-1/output-1/host/bin/riscv32-linux-ar) interface... ar
configure: error: disable-libipset requires vrrp and iptables
make: *** [package/pkg-generic.mk:259: /tmp/instance-1/output-1/build/keepalived-2.1.4/.stamp_configured] Error 1
make: Leaving directory '/tmp/instance-1/buildroot'