[OS X TeX] MacTeX 2011 Basic cannot switch to 64bit binaries

Richard Koch koch at math.uoregon.edu
Thu Aug 25 00:26:14 CEST 2011


The problem is that the BasicTeX TeX Distribution structure doesn't know anything about
those 64 bit binaries because you installed them by hand.

There are other problems. Some hidden files in the distribution don't know that you have
the 64-bit binaries either, so if you use TeX Live Utility or tlmgr to update, those 64 bit binaries
may not be updated.

Our experiments show that 32 bit binaries and 64 bit binaries process at about the same speed.
So I don't think it is worth the trouble to fix this. Your options are

	a) Use BasicTeX, which has 32 bit universal binaries

	b) Install MacTeX-2011, which has both

	c) Install TeX yourself using the TeX Live install script, to obtain both binaries but
	only a subset of TeX Live. 

However, c) won't give a TeX Dist structure, so the pref pane won't know about it.

Dick Koch

On Aug 16, 2011, at 11:52 AM, Jinglei Hu wrote:
> Hi,
> I've freshly installed MacTeX 2011 basic on Lion. I also installed x86_64-darwin binaries. Unfortunately, I cannot switch to 64bit in the PrefPane. A restart does not solve the problem.  
> Any idea or help is appreciated. Thanks in advance.
> <snapshot_basicMacTeX2011.png>
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