>>> libunwind 1.8.1 Extracting mkdir -p /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/host-tar/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/host-tar/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host mkdir -p /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/host-tar/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/host-tar/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target gzip -d -c /home/buildroot/autobuild/instance-2/dl/libunwind/libunwind-1.8.1.tar.gz | /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/tar --strip-components=1 -C /home/buildroot/autobuild/instance-2/output-1/build/libunwind-1.8.1 -xf - >>> libunwind 1.8.1 Patching >>> libunwind 1.8.1 Updating config.sub and config.guess for file in config.guess config.sub; do for i in $(find /home/buildroot/autobuild/instance-2/output-1/build/libunwind-1.8.1 -name $file); do cp support/gnuconfig/$file $i; done; done >>> libunwind 1.8.1 Patching libtool patching file /home/buildroot/autobuild/instance-2/output-1/build/libunwind-1.8.1/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 1.8.1 Configuring mkdir -p /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/host-ccache/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/host-ccache/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/host-skeleton/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/host-skeleton/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/libucontext/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libucontext/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/skeleton/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/skeleton/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/toolchain/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/toolchain/host/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host mkdir -p /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/host-ccache/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/host-ccache/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/host-skeleton/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/host-skeleton/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/libucontext/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libucontext/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/skeleton/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/skeleton/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target rsync -a --hard-links --link-dest=/home/buildroot/autobuild/instance-2/output-1/per-package/toolchain/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/toolchain/target/ /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/target (cd /home/buildroot/autobuild/instance-2/output-1/build/libunwind-1.8.1/ && rm -rf config.cache && GIT_DIR=. PATH="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin:/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin" AR="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-ar" AS="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-as" LD="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld" NM="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-nm" CC="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc" GCC="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc" CPP="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-cpp" CXX="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++" FC="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gfortran" F77="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gfortran" RANLIB="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-ranlib" READELF="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-readelf" STRIP="/bin/true" OBJCOPY="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-objcopy" OBJDUMP="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/ccache /usr/bin/gcc" GCC_FOR_BUILD="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/ccache /usr/bin/gcc" CXX_FOR_BUILD="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/ccache /usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-as" DEFAULT_LINKER="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-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 -O1 -g1 " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g1 " LDFLAGS="" FCFLAGS=" -O1 -g1" FFLAGS=" -O1 -g1" PKG_CONFIG="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/m68k-buildroot-linux-musl/sysroot" INTLTOOL_PERL=/usr/bin/perl ac_cv_lbl_unaligned_fail=no 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 CONFIG_SITE=/dev/null ./configure --target=m68k-buildroot-linux-musl --host=m68k-buildroot-linux-musl --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 --enable-nls --enable-static --enable-shared --disable-tests --enable-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, --enable-nls checking build system type... x86_64-pc-linux-gnu checking host system type... m68k-buildroot-linux-musl checking target system type... m68k-buildroot-linux-musl checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for m68k-buildroot-linux-musl-strip... /bin/true 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 make supports nested variables... (cached) yes checking whether to enable maintainer-specific portions of Makefiles... no checking for m68k-buildroot-linux-musl-gcc... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-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/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc accepts -g... yes checking for /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc option to accept ISO C89... none needed checking whether /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-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/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc... none checking whether we are using the GNU C++ compiler... yes checking whether /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ accepts -g... yes checking dependency style of /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++... none checking whether make sets $(MAKE)... (cached) yes checking for m68k-buildroot-linux-musl-ar... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-ar checking the archiver (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-ar) interface... ar checking how to print strings... printf checking for a sed that does not truncate output... /usr/bin/sed checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for fgrep... /usr/bin/grep -F checking for ld used by /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld checking if the linker (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-nm checking the name lister (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-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 x86_64-pc-linux-gnu file names to m68k-buildroot-linux-musl 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/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld option to reload object files... -r checking for m68k-buildroot-linux-musl-objdump... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-objdump checking how to recognize dependent libraries... pass_all checking for m68k-buildroot-linux-musl-dlltool... no checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for m68k-buildroot-linux-musl-ar... (cached) /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-ar checking for archiver @FILE support... @ checking for m68k-buildroot-linux-musl-strip... (cached) /bin/true checking for m68k-buildroot-linux-musl-ranlib... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-ranlib checking command to parse /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc-nm output from /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc object... ok checking for sysroot... no checking for a working dd... /usr/bin/dd checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1 checking for m68k-buildroot-linux-musl-mt... no checking for mt... no checking if : is a manifest tool... no checking how to run the C preprocessor... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-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/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc supports -fno-rtti -fno-exceptions... no checking for /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc option to produce PIC... -fPIC -DPIC checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc PIC flag -fPIC -DPIC works... yes checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc static flag -static works... no checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc supports -c -o file.o... yes checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc supports -c -o file.o... (cached) yes checking whether the /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc linker (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-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... no checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking how to run the C++ preprocessor... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ -E checking for ld used by /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++... /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld checking if the linker (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld) is GNU ld... yes checking whether the /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ linker (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld) supports shared libraries... yes checking for /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ option to produce PIC... -fPIC -DPIC checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ PIC flag -fPIC -DPIC works... yes checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ static flag -static works... no checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ supports -c -o file.o... yes checking if /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ supports -c -o file.o... (cached) yes checking whether the /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-g++ linker (/home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-ld) supports shared libraries... yes checking dynamic linker characteristics... (cached) GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking dependency style of /home/buildroot/autobuild/instance-2/output-1/per-package/libunwind/host/bin/m68k-buildroot-linux-musl-gcc... none checking for an ANSI C-conforming const... yes checking for inline... inline checking for size_t... yes checking size of off_t... 8 configure: --- Checking for header files --- checking asm/ptrace_offsets.h usability... no checking asm/ptrace_offsets.h presence... no checking for asm/ptrace_offsets.h... no checking asm/ptrace.h usability... yes checking asm/ptrace.h presence... yes checking for asm/ptrace.h... yes checking asm/vsyscall.h usability... no checking asm/vsyscall.h presence... no checking for asm/vsyscall.h... no checking endian.h usability... yes checking endian.h presence... yes checking for endian.h... yes checking sys/endian.h usability... no checking sys/endian.h presence... no checking for sys/endian.h... no checking sys/param.h usability... yes checking sys/param.h presence... yes checking for sys/param.h... yes checking execinfo.h usability... no checking execinfo.h presence... no checking for execinfo.h... no checking ia64intrin.h usability... no checking ia64intrin.h presence... no checking for ia64intrin.h... no checking sys/uc_access.h usability... no checking sys/uc_access.h presence... no checking for sys/uc_access.h... no checking for unistd.h... (cached) yes checking signal.h usability... yes checking signal.h presence... yes checking for signal.h... yes checking for sys/types.h... (cached) yes checking sys/procfs.h usability... yes checking sys/procfs.h presence... yes checking for sys/procfs.h... yes checking sys/ptrace.h usability... yes checking sys/ptrace.h presence... yes checking for sys/ptrace.h... yes checking sys/syscall.h usability... yes checking sys/syscall.h presence... yes checking for sys/syscall.h... yes checking byteswap.h usability... yes checking byteswap.h presence... yes checking for byteswap.h... yes checking elf.h usability... yes checking elf.h presence... yes checking for elf.h... yes checking sys/elf.h usability... no checking sys/elf.h presence... no checking for sys/elf.h... no checking link.h usability... yes checking link.h presence... yes checking for link.h... yes checking sys/link.h usability... no checking sys/link.h presence... no checking for sys/link.h... no configure: --- Checking for available types --- checking for struct dl_phdr_info.dlpi_subs... yes checking for struct elf_prstatus... yes checking for struct prstatus... no checking for procfs_status... no checking for elf_fpregset_t... yes configure: --- Checking for libraries --- checking for library containing _Unwind_Resume... -lgcc_s checking for library containing __uc_get_grs... no checking for dl_iterate_phdr... yes checking for dl_phdr_removals_counter... no checking for dlmodinfo... no checking for getunwind... no checking for ttrace... no checking for mincore... yes checking for pipe2... yes checking for sigaltstack... yes checking for execvpe... yes checking if building with AltiVec... no checking if libunwind-coredump should be built... no checking if libunwind-ptrace should be built... yes configure: --- Checking for ptrace symbols --- checking whether PTRACE_POKEUSER is declared... yes checking whether PTRACE_POKEDATA is declared... yes checking whether PTRACE_SETREGSET is declared... yes checking whether PTRACE_TRACEME is declared... yes checking whether PTRACE_CONT is declared... yes checking whether PTRACE_SINGLESTEP is declared... yes checking whether PTRACE_SYSCALL is declared... yes checking whether PT_IO is declared... no checking whether PT_GETREGS is declared... yes checking whether PT_GETFPREGS is declared... yes checking whether PT_CONTINUE is declared... yes checking whether PT_TRACE_ME is declared... yes checking whether PT_STEP is declared... yes checking whether PT_SYSCALL is declared... yes checking if libunwind-nto should be built... checking sys/neutrino.h usability... no checking sys/neutrino.h presence... no checking for sys/neutrino.h... no no checking if libunwind-setjmp should be built... yes checking if weak-backtrace is enabled... yes checking if unwind.h should be exported... yes checking whether to support UNW_CACHE_PER_THREAD... no checking if testsuite should be built... no checking if debug support should be built... no checking if C++ exception support should be built... yes checking if documentation should be built... no checking for latex2man... no checking if we should enable unw_resume tests... yes checking for build architecture... x86_64 checking for host architecture... m68k checking for target architecture... m68k checking for target operating system... linux-musl checking for ELF helper width... configure: error: Unknown ELF target: m68k make: *** [package/pkg-generic.mk:273: /home/buildroot/autobuild/instance-2/output-1/build/libunwind-1.8.1/.stamp_configured] Error 1 make: Leaving directory '/home/buildroot/autobuild/instance-2/buildroot'