>>> libunwind 1.6.2 Extracting
gzip -d -c /home/autobuild/autobuild/instance-3/dl/libunwind/libunwind-1.6.2.tar.gz | /home/autobuild/autobuild/instance-3/output-1/host/bin/tar --strip-components=1 -C /home/autobuild/autobuild/instance-3/output-1/build/libunwind-1.6.2   -xf -
>>> libunwind 1.6.2 Patching
>>> libunwind 1.6.2 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /home/autobuild/autobuild/instance-3/output-1/build/libunwind-1.6.2 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> libunwind 1.6.2 Patching libtool
patching file /home/autobuild/autobuild/instance-3/output-1/build/libunwind-1.6.2/config/ltmain.sh
Hunk #1 succeeded at 2786 (offset 99 lines).
Hunk #2 succeeded at 4376 (offset 99 lines).
Hunk #3 succeeded at 6671 (offset 117 lines).
Hunk #4 succeeded at 6681 (offset 117 lines).
Hunk #5 succeeded at 6974 (offset 117 lines).
Hunk #6 succeeded at 7266 (offset 117 lines).
Hunk #7 succeeded at 8241 (offset 129 lines).
Hunk #8 succeeded at 10873 (offset 163 lines).
>>> libunwind 1.6.2 Configuring
(cd /home/autobuild/autobuild/instance-3/output-1/build/libunwind-1.6.2/ && rm -rf config.cache && GIT_DIR=. PATH="/home/autobuild/autobuild/instance-3/output-1/host/bin:/home/autobuild/autobuild/instance-3/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-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-ar" AS="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-as" LD="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-ld" NM="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-nm" CC="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc" GCC="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc" CPP="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-cpp" CXX="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-g++" FC="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gfortran" F77="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gfortran" RANLIB="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-ranlib" READELF="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-readelf" STRIP="/bin/true" OBJCOPY="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-objcopy" OBJDUMP="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-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-3/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/autobuild/autobuild/instance-3/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/autobuild/autobuild/instance-3/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/autobuild/autobuild/instance-3/output-1/host/lib -Wl,-rpath,/home/autobuild/autobuild/instance-3/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-as" DEFAULT_LINKER="/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-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 " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 " LDFLAGS="" FCFLAGS=" -Os -g0" FFLAGS=" -Os -g0" PKG_CONFIG="/home/autobuild/autobuild/instance-3/output-1/host/bin/pkg-config" STAGING_DIR="/home/autobuild/autobuild/instance-3/output-1/host/or1k-buildroot-linux-musl/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=yes gt_cv_func_gnugettext1_libc=yes gt_cv_func_gnugettext2_libc=yes  CONFIG_SITE=/dev/null ./configure --target=or1k-buildroot-linux-musl --host=or1k-buildroot-linux-musl --build=aarch64-unknown-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 --enable-static --enable-shared  --disable-tests --disable-cxx-exceptions LIBS=-lucontext )
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --with-xmlto, --with-fop, --enable-ipv6, --disable-nls
checking build system type... aarch64-unknown-linux-gnu
checking host system type... or1k-buildroot-linux-musl
checking target system type... or1k-buildroot-linux-musl
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
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checking for a thread-safe mkdir -p... /usr/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 for or1k-buildroot-linux-musl-gcc... /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
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checking for /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc option to accept ISO C89... none needed
checking whether /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc understands -c and -o together... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc... none
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checking for or1k-buildroot-linux-musl-ar... /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-ar
checking the archiver (/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-ar) interface... ar
checking how to print strings... printf
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checking for grep that handles long lines and -e... /usr/bin/grep
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checking for ld used by /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc... /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-ld
checking if the linker (/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-nm
checking the name lister (/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-nm) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert aarch64-unknown-linux-gnu file names to or1k-buildroot-linux-musl format... func_convert_file_noop
checking how to convert aarch64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-ld option to reload object files... -r
checking for or1k-buildroot-linux-musl-objdump... /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-objdump
checking how to recognize dependent libraries... pass_all
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checking command to parse /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc-nm output from /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc object... ok
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checking whether the /home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-gcc linker (/home/autobuild/autobuild/instance-3/output-1/host/bin/or1k-buildroot-linux-musl-ld) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
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configure: WARNING: sys/procfs.h: present but cannot be compiled
configure: WARNING: sys/procfs.h:     check for missing prerequisite headers?
configure: WARNING: sys/procfs.h: see the Autoconf documentation
configure: WARNING: sys/procfs.h:     section "Present But Cannot Be Compiled"
configure: WARNING: sys/procfs.h: proceeding with the compiler's result
configure: WARNING:     ## ----------------------------------------- ##
configure: WARNING:     ## Report this to libunwind-devel@nongnu.org ##
configure: WARNING:     ## ----------------------------------------- ##
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checking if we should build libunwind-ptrace... yes
checking if we should export unwind.h... yes
checking if we should build libunwind-setjmp... yes
checking for build architecture... aarch64
checking for host architecture... or1k
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checking for target operating system... linux-musl
checking for ELF helper width... configure: error: Unknown ELF target: or1k
make: *** [package/pkg-generic.mk:273: /home/autobuild/autobuild/instance-3/output-1/build/libunwind-1.6.2/.stamp_configured] Error 1
make: Leaving directory '/home/autobuild/autobuild/instance-3/buildroot'