>>> babeld 1.13.1 Extracting
gzip -d -c /home/autobuild/autobuild/instance-11/dl/babeld/babeld-1.13.1.tar.gz | tar --strip-components=1 -C /home/autobuild/autobuild/instance-11/output-1/build/babeld-1.13.1   -xf -
>>> babeld 1.13.1 Patching

Applying 0001-Fix-uclibc-build-issue.patch using patch: 
patching file net.c
>>> babeld 1.13.1 Configuring
>>> babeld 1.13.1 Building
/usr/bin/make -j1 -C /home/autobuild/autobuild/instance-11/output-1/build/babeld-1.13.1 GIT_DIR=. PATH="/home/autobuild/autobuild/instance-11/output-1/host/bin:/home/autobuild/autobuild/instance-11/output-1/host/sbin:/home/autobuild/make:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl" AR="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc-ar" AS="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-as" LD="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-ld" NM="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc-nm" CC="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc" GCC="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc" CPP="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-cpp" CXX="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-g++" FC="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gfortran" F77="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gfortran" RANLIB="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc-ranlib" READELF="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-readelf" STRIP="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-strip" OBJCOPY="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-objcopy" OBJDUMP="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-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/home/autobuild/autobuild/instance-11/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/autobuild/autobuild/instance-11/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/autobuild/autobuild/instance-11/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/autobuild/autobuild/instance-11/output-1/host/lib -Wl,-rpath,/home/autobuild/autobuild/instance-11/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-as" DEFAULT_LINKER="/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-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  -O2 -g0 -D_FORTIFY_SOURCE=2" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=2" LDFLAGS="" FCFLAGS=" -O2 -g0" FFLAGS=" -O2 -g0" PKG_CONFIG="/home/autobuild/autobuild/instance-11/output-1/host/bin/pkg-config" STAGING_DIR="/home/autobuild/autobuild/instance-11/output-1/host/aarch64_be-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl
make[1]: Entering directory '/home/autobuild/autobuild/instance-11/output-1/build/babeld-1.13.1'
./generate-version.sh > version.h
/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o babeld.o babeld.c
/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o net.o net.c
/home/autobuild/autobuild/instance-11/output-1/host/bin/aarch64_be-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o kernel.o kernel.c
In file included from kernel.c:31:0:
kernel_netlink.c: In function 'netlink_socket':
kernel_netlink.c:328:44: error: 'NETLINK_EXT_ACK' undeclared (first use in this function); did you mean 'NETLINK_CAP_ACK'?
     rc = setsockopt(nl->sock, SOL_NETLINK, NETLINK_EXT_ACK,
                                            ^~~~~~~~~~~~~~~
                                            NETLINK_CAP_ACK
kernel_netlink.c:328:44: note: each undeclared identifier is reported only once for each function it appears in
kernel_netlink.c: In function 'netlink_get_extack':
kernel_netlink.c:377:33: error: 'NLM_F_ACK_TLVS' undeclared (first use in this function); did you mean 'NLM_F_ACK'?
         if (!(nh->nlmsg_flags & NLM_F_ACK_TLVS))
                                 ^~~~~~~~~~~~~~
                                 NLM_F_ACK
kernel_netlink.c:382:29: error: 'NLMSGERR_ATTR_MSG' undeclared (first use in this function)
         if(nla->nla_type == NLMSGERR_ATTR_MSG)
                             ^~~~~~~~~~~~~~~~~
make[1]: *** [<builtin>: kernel.o] Error 1
make[1]: Leaving directory '/home/autobuild/autobuild/instance-11/output-1/build/babeld-1.13.1'
make: *** [package/pkg-generic.mk:289: /home/autobuild/autobuild/instance-11/output-1/build/babeld-1.13.1/.stamp_built] Error 2
make: Leaving directory '/home/autobuild/autobuild/instance-11/buildroot'