Aditya,

> I have faced this problem in the past, but was never sure why it
> occured or how to rectify it. Try the command
>
> mpost --tex=latex useemp.mp
>
> on your shell. Do you get the same error message as before (you
> should).

Yes, same error message.

qdf $ mpost --tex=latex useemp.mp
This is MetaPost, Version 0.901 (Web2C 7.5.5)
(useemp.mp (qdftools.mpnewer: target file `qdftools.mpx' doesn't exist.
/usr/local/teTeX/bin/powerpc-apple-darwin-current/makempx: Command  
failed: latex mpxerr.tex; see mpxerr.log

 >> qdftools.mp
 >> qdftools.mpx
! Unable to make mpx file.
l.41  label.rt(btex
                     $x$ etex, (5u,0));
Transcript written on useemp.log.


> Now try,
>
> makempx --tex=latex useemp.mp useemp.mpx
>
> Does this create an mpx file?

qdf $ ls
OTqdbpreview.sty        dev.qdf                 sample2.qdf
dev.1                   dev.tex                 useemp.mp
dev.mp                  functions.qdf           useemp.pdf
dev.pdf                 qdftools.mp             useemp.tex
qdf $

qdf $ makempx --tex=latex useemp.mp useemp.mpx
newer: target file `useemp.mpx' doesn't exist.
dvitomp: mpx14741.dvi: No such file or directory
mv: rename mpx14741.dvi to mpxerr.dvi: No such file or directory
/usr/local/teTeX/bin/powerpc-apple-darwin-current/makempx: Command  
failed: dvitomp mpxerr.dvi useemp.mpx

qdf $ ls
OTqdbpreview.sty        functions.qdf           sample2.qdf
dev.1                   mpx14741.aux            useemp.mp
dev.mp                  mpx14741.log            useemp.pdf
dev.pdf                 mpx14741.tex            useemp.tex
dev.qdf                 mpxerr.log
dev.tex                 qdftools.mp

Doesn't look like it.

> If it does, then atleast a workaround
> for the problem is to have
>
> \immediate\write18{makempx --tex=latex \jobname.mp \jobname.mpx}
> before
> \immediate\write18{mpost --tex=latex \jobname}.
>
> If makempx fails, look at the output of
>
> makempx --verbose --tex=latex useemp.mp useemp.mpx
>
> What do you get?


qdf $ makempx --verbose --tex=latex useemp.mp useemp.mpx
/usr/local/teTeX/bin/powerpc-apple-darwin-current/makempx: Invalid  
option: --verbose.
Try `makempx --help' for more information.


qdf $ makempx --help
Usage: /usr/local/teTeX/bin/powerpc-apple-darwin-current/makempx [- 
tex|-tex=<program>|-troff] MPFILE MPXFILE.
   If MPXFILE is older than MPFILE, translate the labels from the  
MetaPost
   input file MPFIle to low-level commands in MPXFILE, by running
     mpto -tex, , and dvitomp
   by default; or, if -troff is specified,
     mpto -troff, eqn -Tps -d\$\$ | troff -Tps, and dmp.

   The current directory is used for writing temporary files.  Errors  
are
   left in mpxerr.{tex,log,dvi}.

   If the file named in $MPTEXPRE (mptexpre.tex by default) exists,  
it is
   prepended to the output in tex mode.

Email bug reports to [EMAIL PROTECTED]


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