>>> libffi 3.2.1 Downloading
--2018-10-30 19:06:28--  ftp://sourceware.org/pub/libffi/libffi-3.2.1.tar.gz
           => '/home/buildroot/autobuild/run/instance-2/output/build/.libffi-3.2.1.tar.gz.D2fYps/output'
Resolving sourceware.org (sourceware.org)... 209.132.180.131
Connecting to sourceware.org (sourceware.org)|209.132.180.131|:21... connected.
Logging in as anonymous ... Logged in!
==> SYST ... done.    ==> PWD ... done.
==> TYPE I ... done.  ==> CWD (1) /pub/libffi ... done.
==> SIZE libffi-3.2.1.tar.gz ... 940837
==> PASV ... done.    ==> RETR libffi-3.2.1.tar.gz ... done.
Length: 940837 (919K) (unauthoritative)

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2018-10-30 19:06:32 (410 KB/s) - '/home/buildroot/autobuild/run/instance-2/output/build/.libffi-3.2.1.tar.gz.D2fYps/output' saved [940837]

libffi-3.2.1.tar.gz: OK (sha512: 980ca30a8d76f963fca722432b1fe5af77d7a4e4d2eac5144fbc5374d4c596609a293440573f4294207e1bdd9fda80ad1e1cafb2ffb543df5a275bc3bd546483)
>>> libffi 3.2.1 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-2/dl/libffi/libffi-3.2.1.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-2/output/build/libffi-3.2.1   -xf -
>>> libffi 3.2.1 Patching

Applying 0001-Fix-installation-location-of-libffi.patch using patch: 
patching file Makefile.am

Applying 0002-Fix-use-of-compact-eh-frames-on-MIPS.patch using patch: 
patching file configure.ac

Applying 0003-libffi-enable-hardfloat-in-the-MIPS-assembly-code.patch using patch: 
patching file src/mips/n32.S
patching file src/mips/o32.S

Applying 0004-m68k-support-ISA-A-Coldfire-CPUs.patch using patch: 
patching file src/m68k/sysv.S

Applying 0005-mips-use-__linux__-and-not-linux.patch using patch: 
patching file src/mips/ffitarget.h
>>> libffi 3.2.1 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/buildroot/autobuild/run/instance-2/output/build/libffi-3.2.1 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> libffi 3.2.1 Configuring
>>> libffi 3.2.1 Autoreconfiguring
libtoolize: putting auxiliary files in '.'.
libtoolize: copying file './ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
configure.ac:31: installing './compile'
configure.ac:19: installing './missing'
Makefile.am: installing './depcomp'
>>> libffi 3.2.1 Patching libtool
patching file /home/buildroot/autobuild/run/instance-2/output/build/libffi-3.2.1/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-2/output/build/libffi-3.2.1/ && rm -rf config.cache && PATH="/home/buildroot/autobuild/run/instance-2/output/host/bin:/home/buildroot/autobuild/run/instance-2/output/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/snap/bin" AR="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ar" AS="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-as" LD="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ld" NM="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-nm" CC="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc" GCC="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc" CPP="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-cpp" CXX="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-g++" FC="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gfortran" F77="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gfortran" RANLIB="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ranlib" READELF="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-readelf" STRIP="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-strip" OBJCOPY="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-objcopy" OBJDUMP="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-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/buildroot/autobuild/run/instance-2/output/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/run/instance-2/output/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/run/instance-2/output/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/run/instance-2/output/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-as" DEFAULT_LINKER="/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-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  -Os  " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  " LDFLAGS="" FCFLAGS=" -Os " FFLAGS=" -Os " PKG_CONFIG="/home/buildroot/autobuild/run/instance-2/output/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/run/instance-2/output/host/riscv64-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl CXX=no 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=riscv64-buildroot-linux-gnu --host=riscv64-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   )
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
checking build system type... x86_64-pc-linux-gnu
checking host system type... riscv64-buildroot-linux-gnu
checking target system type... riscv64-buildroot-linux-gnu
continue configure in default builddir "./riscv64-buildroot-linux-gnu"
....exec /bin/bash .././configure "--srcdir=.." "--enable-builddir=riscv64-buildroot-linux-gnu" "linux
gnu"
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
checking build system type... x86_64-pc-linux-gnu
checking host system type... riscv64-buildroot-linux-gnu
checking target system type... riscv64-buildroot-linux-gnu
checking for gsed... sed
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for riscv64-buildroot-linux-gnu-strip... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-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 for riscv64-buildroot-linux-gnu-gcc... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-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 /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc accepts -g... yes
checking for /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc option to accept ISO C89... none needed
checking whether /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc understands -c and -o together... yes
checking for style of include used by make... GNU
checking dependency style of /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc... none
checking whether we are using the GNU C++ compiler... no
checking whether no accepts -g... no
checking dependency style of no... none
checking dependency style of /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc... none
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 /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ld
checking if the linker (/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-nm
checking the name lister (/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-nm) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-pc-linux-gnu file names to riscv64-buildroot-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 /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ld option to reload object files... -r
checking for riscv64-buildroot-linux-gnu-objdump... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-objdump
checking how to recognize dependent libraries... pass_all
checking for riscv64-buildroot-linux-gnu-dlltool... no
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for riscv64-buildroot-linux-gnu-ar... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ar
checking for archiver @FILE support... @
checking for riscv64-buildroot-linux-gnu-strip... (cached) /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-strip
checking for riscv64-buildroot-linux-gnu-ranlib... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ranlib
checking command to parse /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-nm output from /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-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 riscv64-buildroot-linux-gnu-mt... no
checking for mt... mt
configure: WARNING: using cross tools not prefixed with host triplet
checking if mt is a manifest tool... no
checking how to run the C preprocessor... /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-cpp
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking for objdir... .libs
checking if /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc supports -fno-rtti -fno-exceptions... no
checking for /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc option to produce PIC... -fPIC -DPIC
checking if /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc PIC flag -fPIC -DPIC works... yes
checking if /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc static flag -static works... yes
checking if /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc supports -c -o file.o... yes
checking if /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc supports -c -o file.o... (cached) yes
checking whether the /home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-gcc linker (/home/buildroot/autobuild/run/instance-2/output/host/bin/riscv64-buildroot-linux-gnu-ld) 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 size of size_t... 8
checking for C compiler vendor... gnu
checking CFLAGS for maximum warnings... -Wall
checking whether to enable maintainer-specific portions of Makefiles... no
checking sys/mman.h usability... yes
checking sys/mman.h presence... yes
checking for sys/mman.h... yes
checking for mmap... yes
checking for mkostemp... yes
checking for sys/mman.h... (cached) yes
checking for mmap... (cached) yes
checking whether read-only mmap of a plain file works... yes
checking whether mmap from /dev/zero works... yes
checking for MAP_ANON(YMOUS)... yes
checking whether mmap with MAP_ANON(YMOUS) works... yes
configure: error: "libffi has not been ported to riscv64-buildroot-linux-gnu."
package/pkg-generic.mk:219: recipe for target '/home/buildroot/autobuild/run/instance-2/output/build/libffi-3.2.1/.stamp_configured' failed
make: *** [/home/buildroot/autobuild/run/instance-2/output/build/libffi-3.2.1/.stamp_configured] Error 1
make: Leaving directory '/home/buildroot/autobuild/run/instance-2/buildroot'