configure and freetype, etc. under non-X

[Adrian Robert]

It appears that in configure.in the checks for freetype, xft, otf,  
and m17n_flt are done regardless of whether the user is compiling for  
an X11 environment.  Under NS at least these are all unneeded, and  
doing the checks can cause unnecessary linking against these  
libraries if they happen to be present on the system.  This can cause  
startup failure for this binary on other machines that lack those  
(actually unneeded) libraries.

What's the best way to avoid this?  The patch here disables these  
checks except under X11 and sets the variables to "no", but is there  
a different preferred way?

configFreetype.patch
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