/usr/bin/get-wings-flags is in libwings-dev 0.95.5-2ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #!/bin/sh
WCFLAGS="-I/usr/include "
WLFLAGS="-L/usr/lib "
WLIBS="-lWINGs -lWUtil -lwraster -ltiff  -lXpm -lpng -ljpeg -lgif -lXft   -lXext -lXext -lX11  -lm "
usage="Usage: get-wings-flags [--cflags] [--ldflags] [--libs]"
if test $# -eq 0; then
      echo "${usage}" 1>&2
      exit 1
fi
while test $# -gt 0; do
  case $1 in
    --cflags)
	echo $WCFLAGS
        ;;
    --ldflags|--lflags)
	echo $WLFLAGS
        ;;
    --libs)
	echo $WLIBS
        ;;
    *)
	echo "${usage}" 1>&2
	exit 1
	;;
  esac
  shift
done
 |