"Thilo Riessner" <thilo@bio-physik.uni-kiel.de> pointed out
that there is a serious bug in the REXX script
	XFree86/lib/X11/lyx/configure.cmd
of 0.11.43, 0.11.44, 0.11.45

Namely you have to add
	call SysLoadFuncs
after
	call RxFuncAdd 'SysLoadFuncs','RexxUtil','SysLoadFuncs'

Please manually edit the file yourself.
Sorry for the inconvenience.

SMiyata