gmake[3]: Entering directory `/wrkdirs/usr/ports/devel/glib20/work/glib-2.36.3/gio'
  GEN      gconstructor_as_data.h
./data-to-c.pl: not found
gmake[3]: *** [gconstructor_as_data.h] Error 127
gmake[3]: Leaving directory `/wrkdirs/usr/ports/devel/glib20/work/glib-2.36.3/gio'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory `/wrkdirs/usr/ports/devel/glib20/work/glib-2.36.3'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory `/wrkdirs/usr/ports/devel/glib20/work/glib-2.36.3'
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1