>>> babeltrace2 2.0.4 Extracting
bzcat /tmp/instance-0/dl/babeltrace2/babeltrace2-2.0.4.tar.bz2 | tar --strip-components=1 -C /tmp/instance-0/output-1/build/babeltrace2-2.0.4   -xf -
>>> babeltrace2 2.0.4 Patching

Applying 0001-configure-simplify-warning-flags-detection.patch using patch: 
patching file configure.ac
Hunk #1 succeeded at 694 (offset 34 lines).
Hunk #2 succeeded at 736 (offset 34 lines).
patching file m4/ax_compiler_flags.m4
patching file m4/ax_compiler_flags_cflags.m4
patching file m4/ax_compiler_flags_gir.m4
patching file m4/ax_compiler_flags_ldflags.m4
>>> babeltrace2 2.0.4 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /tmp/instance-0/output-1/build/babeltrace2-2.0.4 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> babeltrace2 2.0.4 Configuring
>>> babeltrace2 2.0.4 Autoreconfiguring
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'config'.
libtoolize: copying file 'config/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:114: installing 'config/compile'
configure.ac:70: installing 'config/missing'
src/argpar/Makefile.am: installing 'config/depcomp'
>>> babeltrace2 2.0.4 Patching libtool
patching file /tmp/instance-0/output-1/build/babeltrace2-2.0.4/config/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 /tmp/instance-0/output-1/build/babeltrace2-2.0.4/ && rm -rf config.cache && PATH="/tmp/instance-0/output-1/host/bin:/tmp/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin" AR="/tmp/instance-0/output-1/host/bin/or1k-linux-gcc-ar" AS="/tmp/instance-0/output-1/host/bin/or1k-linux-as" LD="/tmp/instance-0/output-1/host/bin/or1k-linux-ld" NM="/tmp/instance-0/output-1/host/bin/or1k-linux-gcc-nm" CC="/tmp/instance-0/output-1/host/bin/or1k-linux-gcc" GCC="/tmp/instance-0/output-1/host/bin/or1k-linux-gcc" CPP="/tmp/instance-0/output-1/host/bin/or1k-linux-cpp" CXX="/tmp/instance-0/output-1/host/bin/or1k-linux-g++" FC="/tmp/instance-0/output-1/host/bin/or1k-linux-gfortran" F77="/tmp/instance-0/output-1/host/bin/or1k-linux-gfortran" RANLIB="/tmp/instance-0/output-1/host/bin/or1k-linux-gcc-ranlib" READELF="/tmp/instance-0/output-1/host/bin/or1k-linux-readelf" STRIP="/tmp/instance-0/output-1/host/bin/or1k-linux-strip" OBJCOPY="/tmp/instance-0/output-1/host/bin/or1k-linux-objcopy" OBJDUMP="/tmp/instance-0/output-1/host/bin/or1k-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/tmp/instance-0/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/tmp/instance-0/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/tmp/instance-0/output-1/host/include" LDFLAGS_FOR_BUILD="-L/tmp/instance-0/output-1/host/lib -Wl,-rpath,/tmp/instance-0/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/tmp/instance-0/output-1/host/bin/or1k-linux-as" DEFAULT_LINKER="/tmp/instance-0/output-1/host/bin/or1k-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 " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 " LDFLAGS="" FCFLAGS=" -Os -g0" FFLAGS=" -Os -g0" PKG_CONFIG="/tmp/instance-0/output-1/host/bin/pkg-config" STAGING_DIR="/tmp/instance-0/output-1/host/or1k-buildroot-linux-uclibc/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=yes  bt_cv_lib_elfutils=yes LIBS=-latomic CONFIG_SITE=/dev/null ./configure --target=or1k-buildroot-linux-uclibc --host=or1k-buildroot-linux-uclibc --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  --disable-man-pages --enable-debug-info )
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 for a sed that does not truncate output... /bin/sed
checking build system type... x86_64-pc-linux-gnu
checking host system type... or1k-buildroot-linux-uclibc
checking target system type... or1k-buildroot-linux-uclibc
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for or1k-buildroot-linux-uclibc-strip... /tmp/instance-0/output-1/host/bin/or1k-linux-strip
checking for a race-free mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether UID '1002' is supported by ustar format... yes
checking whether GID '1002' is supported by ustar format... yes
checking how to create a ustar tar archive... gnutar
checking whether to enable maintainer-specific portions of Makefiles... yes
checking whether make supports nested variables... (cached) yes
checking whether make supports the include directive... yes (GNU style)
checking for or1k-buildroot-linux-uclibc-gcc... /tmp/instance-0/output-1/host/bin/or1k-linux-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 the compiler supports GNU C... yes
checking whether /tmp/instance-0/output-1/host/bin/or1k-linux-gcc accepts -g... yes
checking for /tmp/instance-0/output-1/host/bin/or1k-linux-gcc option to enable C11 features... none needed
checking whether /tmp/instance-0/output-1/host/bin/or1k-linux-gcc understands -c and -o together... yes
checking dependency style of /tmp/instance-0/output-1/host/bin/or1k-linux-gcc... none
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for vfork.h... no
checking for sys/time.h... yes
checking for sys/param.h... yes
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking whether _XOPEN_SOURCE should be defined... no
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking for or1k-buildroot-linux-uclibc-gcc... (cached) /tmp/instance-0/output-1/host/bin/or1k-linux-gcc
checking whether the compiler supports GNU C... (cached) yes
checking whether /tmp/instance-0/output-1/host/bin/or1k-linux-gcc accepts -g... (cached) yes
checking for /tmp/instance-0/output-1/host/bin/or1k-linux-gcc option to enable C11 features... (cached) none needed
checking whether /tmp/instance-0/output-1/host/bin/or1k-linux-gcc understands -c and -o together... (cached) yes
checking dependency style of /tmp/instance-0/output-1/host/bin/or1k-linux-gcc... (cached) none
checking for __attribute__... yes
checking how to run the C preprocessor... /tmp/instance-0/output-1/host/bin/or1k-linux-cpp
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking whether /tmp/instance-0/output-1/host/bin/or1k-linux-gcc is Clang... no
checking whether pthreads work with "-pthread" and "-lpthread"... no
checking whether pthreads work with -pthread... no
checking whether pthreads work with -pthreads... no
checking for the pthreads library -lpthreads... no
checking whether pthreads work without any flags... no
checking whether pthreads work with -Kthread... no
checking whether pthreads work with -pthread... no
checking whether pthreads work with -pthreads... no
checking whether pthreads work with -mthreads... no
checking for the pthreads library -lpthread... no
checking whether pthreads work with --thread-safe... no
checking whether pthreads work with -mt... no
checking for pthread-config... no
configure: error: Could not configure pthread support
make: *** [package/pkg-generic.mk:285: /tmp/instance-0/output-1/build/babeltrace2-2.0.4/.stamp_configured] Error 1
make: Leaving directory '/tmp/instance-0/buildroot'