if test -z "$LIBGMAGICK_LIBS" -a -z "$LIBMAGICK_LIBS"; then
  echo ""
  echo "You're missing GraphicsMagick (>=1.1.7). chalk's GraphicsMagick import/export"
  echo "filter will not be compiled. You can download GraphicsMagick from"
  echo "http://www.graphicsmagick.org/. The GraphicsMagick filter allows chalk to"
  echo "read and write XCF, PSD, GIF, BMP, and many other image formats."
  echo ""
  echo "If you have problems compiling GraphicsMagick, please try configuring it using"
  echo "the --without-magick-plus-plus flag, the C++ API isn't needed for chalk."
  echo ""
  all_tests=bad
  AC_DEFINE([include_imagemagick_filter],"",[don't use magick filter])
fi

if test -z "$LIBGMAGICK_LIBS" -a ! -z "$LIBMAGICK_LIBS"; then

  echo ""
  echo "You're missing GraphicsMagick (>=1.1.7). chalk's GraphicsMagick import/export"
  echo "filter will not be compiled. But ImageMagick was found, which mean that chalk"
  echo "will be able to read and write XCF, PSD, GIF, BMP, and many other image formats."
  echo "But the ImageMagick filter is deprecated and we strongly advise you to install"
  echo "GraphicsMagick either from your distribution or from http://www.graphicsmagick.org/"
fi