>>> libpng 1.6.37 Extracting
xzcat /home/giuliobenetti/autobuild/run/instance-0/dl/libpng/libpng-1.6.37.tar.xz | tar --strip-components=1 -C /home/giuliobenetti/autobuild/run/instance-0/output-1/build/libpng-1.6.37   -xf -
>>> libpng 1.6.37 Patching

Applying 0001-Disable-pngfix-and-png-fix-itxt.patch using patch: 
patching file Makefile.am
patching file Makefile.in
Hunk #1 succeeded at 104 with fuzz 2.
>>> libpng 1.6.37 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/giuliobenetti/autobuild/run/instance-0/output-1/build/libpng-1.6.37 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> libpng 1.6.37 Patching libtool
patching file /home/giuliobenetti/autobuild/run/instance-0/output-1/build/libpng-1.6.37/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).
>>> libpng 1.6.37 Configuring
(cd /home/giuliobenetti/autobuild/run/instance-0/output-1/build/libpng-1.6.37/ && rm -rf config.cache && PATH="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin:/home/giuliobenetti/autobuild/run/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" AR="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gcc-ar" AS="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-as" LD="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-ld" NM="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gcc-nm" CC="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gcc" GCC="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gcc" CPP="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-cpp" CXX="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-g++" FC="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gfortran" F77="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gfortran" RANLIB="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-gcc-ranlib" READELF="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-readelf" STRIP="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-strip" OBJCOPY="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-objcopy" OBJDUMP="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-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/home/giuliobenetti/autobuild/run/instance-0/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/giuliobenetti/autobuild/run/instance-0/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/giuliobenetti/autobuild/run/instance-0/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/giuliobenetti/autobuild/run/instance-0/output-1/host/lib -Wl,-rpath,/home/giuliobenetti/autobuild/run/instance-0/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-linux-as" DEFAULT_LINKER="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mips64el-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 -g0 -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -Os -g0" FFLAGS=" -Os -g0" PKG_CONFIG="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/pkg-config" STAGING_DIR="/home/giuliobenetti/autobuild/run/instance-0/output-1/host/mips64el-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=mips64el-buildroot-linux-gnu --host=mips64el-buildroot-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --localstatedir=/var --runstatedir=/run --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 --enable-nls --disable-static --enable-shared  --disable-arm-neon --disable-intel-sse )
configure: error: unrecognized option: `--runstatedir=/run'
Try `./configure --help' for more information
make: *** [package/pkg-generic.mk:283: /home/giuliobenetti/autobuild/run/instance-0/output-1/build/libpng-1.6.37/.stamp_configured] Error 1
make: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/buildroot'