MacOS X is the un*x based new version of MacOS.
The LessTif FAQ entry (copied below) might help.
Danny
Why does it say I need X11r5 or higher when I have r6 ?
Several people have reported build problems; the configure script looks
for an X distribution and then checks whether it is X11R5 or X11R6.
On some systems the configure script stops, saying
configure: error: You must have X11 Revision 5 or higher to compile
LessTif
while the system actually has X11R6.
Apparently this has to do with installations of Linux, in which the
include files (under /usr/include) often contain symbolic links to the
source directories (either on disk or on CD-ROM). In such a situation,
if one either removes the CD-ROM, or cleans up /usr/src, the effect will
be dangling symbolic links under /usr/include which confuse our
configure script.
The solution is obvious : make sure that your include files don't
contain symbolic links to nonexistent files.
Another possibility is that you simply forgot to install the X11
development package (e.g. X11-devel RPM) so that the related headers are
not yet installed on your system.
On Fri, 2003-12-05 at 00:15, Rick Scott wrote:
> I haven't got a clue. What is Mac OSX??
>
> ------- Begin Forwarded Message -------
> I am trying to install lesstif for use with XGraph on a Mac G5 OSX
> 10.28, but using:
>
> ./configure --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
>
> gives
>
> configure: error: You must have X11 Revision 5 or higher to compile
> Lesstif
>
> typing make gives
>
> make: *** No targets specified and no makefile found. Stop.
>
> I checked my X11 version (X11 Beta 3 - XFree86 4.2.1) for Darwin. I
> did not see Revision 6 for the Mac available. For Xgraph, it says I
> need my LD_LIBRARY_PATH to reference Lesstif/lib or Motif/lib. Any
> suggestions on how to do this on OS X? Thanks
>
> Derrick Fouts
>
> ------- End Forwarded Message -------
>
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