>>> host-nfs-utils 2.6.3 Extracting
xzcat /home/buildroot/autobuild/run/instance-1/dl/nfs-utils/nfs-utils-2.6.3.tar.xz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-1/output-1/build/host-nfs-utils-2.6.3   -xf -
>>> host-nfs-utils 2.6.3 Patching

Applying 0001-configure.ac-libevent-and-libsqlite3-checked-when-nf.patch using patch: 
patching file configure.ac
Hunk #1 succeeded at 335 with fuzz 2 (offset -3 lines).
>>> host-nfs-utils 2.6.3 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/buildroot/autobuild/run/instance-1/output-1/build/host-nfs-utils-2.6.3 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> host-nfs-utils 2.6.3 Configuring
>>> host-nfs-utils 2.6.3 Autoreconfiguring
libtoolize: putting auxiliary files in '.'.
libtoolize: copying file './ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'aclocal'.
libtoolize: copying file 'aclocal/libtool.m4'
libtoolize: copying file 'aclocal/ltoptions.m4'
libtoolize: copying file 'aclocal/ltsugar.m4'
libtoolize: copying file 'aclocal/ltversion.m4'
libtoolize: copying file 'aclocal/lt~obsolete.m4'
configure.ac:11: installing './compile'
configure.ac:7: installing './missing'
support/export/Makefile.am: installing './depcomp'
>>> host-nfs-utils 2.6.3 Patching libtool
patching file /home/buildroot/autobuild/run/instance-1/output-1/build/host-nfs-utils-2.6.3/ltmain.sh
Hunk #1 succeeded at 2694 (offset 7 lines).
Hunk #2 succeeded at 4284 (offset 7 lines).
Hunk #3 succeeded at 6579 (offset 25 lines).
Hunk #4 succeeded at 6589 (offset 25 lines).
Hunk #5 succeeded at 6882 (offset 25 lines).
Hunk #6 succeeded at 7174 (offset 25 lines).
Hunk #7 succeeded at 8140 (offset 28 lines).
Hunk #8 succeeded at 10769 (offset 59 lines).
(cd /home/buildroot/autobuild/run/instance-1/output-1/build/host-nfs-utils-2.6.3/ && rm -rf config.cache; PATH="/home/buildroot/autobuild/run/instance-1/output-1/host/bin:/home/buildroot/autobuild/run/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" PKG_CONFIG="/home/buildroot/autobuild/run/instance-1/output-1/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/buildroot/autobuild/run/instance-1/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/run/instance-1/output-1/host/share/pkgconfig" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" CC="/usr/bin/gcc" GCC="/usr/bin/gcc" CXX="/usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy" RANLIB="/usr/bin/ranlib" CPPFLAGS="-I/home/buildroot/autobuild/run/instance-1/output-1/host/include" CFLAGS="-O2 -I/home/buildroot/autobuild/run/instance-1/output-1/host/include" CXXFLAGS="-O2 -I/home/buildroot/autobuild/run/instance-1/output-1/host/include" LDFLAGS="-L/home/buildroot/autobuild/run/instance-1/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-1/output-1/host/lib" INTLTOOL_PERL=/usr/bin/perl CFLAGS="-O2 -I/home/buildroot/autobuild/run/instance-1/output-1/host/include" LDFLAGS="-L/home/buildroot/autobuild/run/instance-1/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-1/output-1/host/lib"  CONFIG_SITE=/dev/null ./configure --prefix="/home/buildroot/autobuild/run/instance-1/output-1/host" --sysconfdir="/home/buildroot/autobuild/run/instance-1/output-1/host/etc" --localstatedir="/home/buildroot/autobuild/run/instance-1/output-1/host/var" --enable-shared --disable-static --disable-gtk-doc --disable-gtk-doc-html --disable-doc --disable-docs --disable-documentation --disable-debug --with-xmlto=no --with-fop=no --disable-nls --disable-dependency-tracking  --enable-tirpc --disable-nfsv4 --disable-nfsv41 --disable-gss --disable-uuid --disable-ipv6 --without-tcp-wrappers --with-statedir=/run/nfs --disable-caps --disable-nfsrahead --without-systemd --with-rpcgen=internal --with-tirpcinclude=/home/buildroot/autobuild/run/instance-1/output-1/host/include/tirpc )
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --disable-debug, --with-xmlto, --with-fop, --disable-nls
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking whether make supports the include directive... yes (GNU style)
checking for gcc... /usr/bin/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... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether /usr/bin/gcc accepts -g... yes
checking for /usr/bin/gcc option to enable C11 features... none needed
checking whether /usr/bin/gcc understands -c and -o together... yes
checking dependency style of /usr/bin/gcc... none
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for wchar.h... yes
checking for minix/config.h... no
checking for vfork.h... no
checking for sys/select.h... yes
checking for sys/socket.h... yes
checking whether it is safe to define __EXTENSIONS__... yes
checking whether _XOPEN_SOURCE should be defined... no
checking pkg-config is at least version 0.9.0... yes
checking for TIRPC... yes
checking for authgss_free_private_data in -ltirpc... no
checking for libtirpc_set_debug in -ltirpc... yes
checking for prctl... yes
checking pkg-config is at least version 0.9.0... yes
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking whether the compiler supports GNU C++... yes
checking whether /usr/bin/g++ accepts -g... yes
checking for /usr/bin/g++ option to enable C++11 features... none needed
checking dependency style of /usr/bin/g++... none
checking for gcc... (cached) /usr/bin/gcc
checking whether the compiler supports GNU C... (cached) yes
checking whether /usr/bin/gcc accepts -g... (cached) yes
checking for /usr/bin/gcc option to enable C11 features... (cached) none needed
checking whether /usr/bin/gcc understands -c and -o together... (cached) yes
checking dependency style of /usr/bin/gcc... (cached) none
checking how to run the C preprocessor... /usr/bin/cpp
checking whether ln -s works... yes
checking whether make sets $(MAKE)... (cached) yes
checking how to print strings... printf
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by /usr/bin/gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm
checking the name lister (/usr/bin/nm) interface... BSD nm
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-pc-linux-gnu file names to x86_64-pc-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-pc-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /usr/bin/ld option to reload object files... -r
checking for objdump... objdump
checking how to recognize dependent libraries... pass_all
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for archiver @FILE support... @
checking for strip... strip
checking for ranlib... /usr/bin/ranlib
checking command to parse /usr/bin/nm output from /usr/bin/gcc object... ok
checking for sysroot... no
checking for a working dd... /bin/dd
checking how to truncate binary pipes... /bin/dd bs=4096 count=1
checking for mt... mt
checking if mt is a manifest tool... no
checking for dlfcn.h... yes
checking for objdir... .libs
checking if /usr/bin/gcc supports -fno-rtti -fno-exceptions... no
checking for /usr/bin/gcc option to produce PIC... -fPIC -DPIC
checking if /usr/bin/gcc PIC flag -fPIC -DPIC works... yes
checking if /usr/bin/gcc static flag -static works... yes
checking if /usr/bin/gcc supports -c -o file.o... yes
checking if /usr/bin/gcc supports -c -o file.o... (cached) yes
checking whether the /usr/bin/gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking how to run the C++ preprocessor... /usr/bin/g++ -E
checking for ld used by /usr/bin/g++... /usr/bin/ld -m elf_x86_64
checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld... yes
checking whether the /usr/bin/g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking for /usr/bin/g++ option to produce PIC... -fPIC -DPIC
checking if /usr/bin/g++ PIC flag -fPIC -DPIC works... yes
checking if /usr/bin/g++ static flag -static works... yes
checking if /usr/bin/g++ supports -c -o file.o... yes
checking if /usr/bin/g++ supports -c -o file.o... (cached) yes
checking whether the /usr/bin/g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for ar... /usr/bin/ar
checking for ld... /usr/bin/ld -m elf_x86_64
checking for GNU libc2... yes
checking for BSD signal semantics... yes
checking for gethostbyname... yes
checking for connect... yes
checking for getaddrinfo... yes
checking for getservbyname... yes
checking for crypt in -lcrypt... yes
checking for sched.h... yes
checking for unshare... yes
checking for fstatat... yes
checking for statx... no
checking for pthread_create in -lpthread... yes
checking for pthread.h... yes
checking for rpc/rpc.h... yes
checking for event_base_dispatch in -levent_core... no
configure: error: libevent not found.
package/pkg-generic.mk:273: recipe for target '/home/buildroot/autobuild/run/instance-1/output-1/build/host-nfs-utils-2.6.3/.stamp_configured' failed
make: *** [/home/buildroot/autobuild/run/instance-1/output-1/build/host-nfs-utils-2.6.3/.stamp_configured] Error 1
make: Leaving directory '/home/buildroot/autobuild/run/instance-1/buildroot'