>>> mdadm 4.3 Extracting
xzcat /home/buildroot/instance-0/dl/mdadm/mdadm-4.3.tar.xz | /home/buildroot/instance-0/output-1/host/bin/tar --strip-components=1 -C /home/buildroot/instance-0/output-1/build/mdadm-4.3   -xf -
>>> mdadm 4.3 Patching

Applying 0001-udev-c-Do-not-require-libudev-h-if-DNO_LIBUDEV.patch using patch: 
patching file udev.c

Applying 0002-util-c-add-limits-h-include-for-NAME_MAX-definition.patch using patch: 
patching file util.c

Applying 0003-Create.c-fix-uclibc-build.patch using patch: 
patching file Create.c

Applying 0004-Makefile-Move-pie-to-LDFLAGS.patch using patch: 
patching file Makefile
>>> mdadm 4.3 Configuring
>>> mdadm 4.3 Building
GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" /usr/bin/make -j17 -C /home/buildroot/instance-0/output-1/build/mdadm-4.3 CC=/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gcc COROSYNC=-DNO_COROSYNC DLM=-DNO_DLM CWFLAGS="" CXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -DNO_LIBUDEV" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -DBINDIR=\\\"/sbin\\\"" CHECK_RUN_DIR=0 LDFLAGS= -ztext mdadm mdmon
/usr/bin/make: invalid option -- 'z'
/usr/bin/make: invalid option -- 'x'
Usage: make [options] [target] ...
Options:
  -b, -m                      Ignored for compatibility.
  -B, --always-make           Unconditionally make all targets.
  -C DIRECTORY, --directory=DIRECTORY
                              Change to DIRECTORY before doing anything.
  -d                          Print lots of debugging information.
  --debug[=FLAGS]             Print various types of debugging information.
  -e, --environment-overrides
                              Environment variables override makefiles.
  -E STRING, --eval=STRING    Evaluate STRING as a makefile statement.
  -f FILE, --file=FILE, --makefile=FILE
                              Read FILE as a makefile.
  -h, --help                  Print this message and exit.
  -i, --ignore-errors         Ignore errors from recipes.
  -I DIRECTORY, --include-dir=DIRECTORY
                              Search DIRECTORY for included makefiles.
  -j [N], --jobs[=N]          Allow N jobs at once; infinite jobs with no arg.
  -k, --keep-going            Keep going when some targets can't be made.
  -l [N], --load-average[=N], --max-load[=N]
                              Don't start multiple jobs unless load is below N.
  -L, --check-symlink-times   Use the latest mtime between symlinks and target.
  -n, --just-print, --dry-run, --recon
                              Don't actually run any recipe; just print them.
  -o FILE, --old-file=FILE, --assume-old=FILE
                              Consider FILE to be very old and don't remake it.
  -O[TYPE], --output-sync[=TYPE]
                              Synchronize output of parallel jobs by TYPE.
  -p, --print-data-base       Print make's internal database.
  -q, --question              Run no recipe; exit status says if up to date.
  -r, --no-builtin-rules      Disable the built-in implicit rules.
  -R, --no-builtin-variables  Disable the built-in variable settings.
  -s, --silent, --quiet       Don't echo recipes.
  --no-silent                 Echo recipes (disable --silent mode).
  -S, --no-keep-going, --stop
                              Turns off -k.
  -t, --touch                 Touch targets instead of remaking them.
  --trace                     Print tracing information.
  -v, --version               Print the version number of make and exit.
  -w, --print-directory       Print the current directory.
  --no-print-directory        Turn off -w, even if it was turned on implicitly.
  -W FILE, --what-if=FILE, --new-file=FILE, --assume-new=FILE
                              Consider FILE to be infinitely new.
  --warn-undefined-variables  Warn when an undefined variable is referenced.

This program built for x86_64-pc-linux-gnu
Report bugs to <bug-make@gnu.org>
make: *** [package/pkg-generic.mk:289: /home/buildroot/instance-0/output-1/build/mdadm-4.3/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/instance-0/buildroot'