-# the XPM-Library is needed to build this program:
-XPM_INCLUDE_FILE = -DXPM_INCLUDE_FILE="<X11/xpm.h>"
+# The XPM-Library is no longer needed to build this program,
+# but is used to load graphics if XPM_INCLUDE_FILE is defined,
+# because the GIF loading routines are still a bit beta.
+# If you use the Xpm library, convert the GIF files to Xpm
+# files (and the mask files ('*Maske.gif') to xbm files).
+
+# XPM_INCLUDE_FILE = -DXPM_INCLUDE_FILE="<X11/xpm.h>"