>>> xenomai  Extracting
>>> xenomai  Patching
>>> xenomai  Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /nvmedata/autobuild/instance-31/output-1/build/xenomai -name $file); do cp support/gnuconfig/$file $i; done; done
>>> xenomai  Configuring
>>> xenomai  Autoreconfiguring
autoreconf: error: 'configure.ac' is required
make: *** [package/pkg-generic.mk:281: /nvmedata/autobuild/instance-31/output-1/build/xenomai/.stamp_configured] Error 1
make: Leaving directory '/nvmedata/autobuild/instance-31/buildroot'