[OS X TeX] TeX Live 2015 and MacTeX-2015

Berend Hasselman bhh at xs4all.nl
Fri Jun 12 10:36:36 CEST 2015

> On 12-06-2015, at 03:55, Richard Koch <koch at uoregon.edu> wrote:
> Folks,
> Karl Berry released TeX Live 2015 today. The MacTeX web pages
> have just been updated:
> 	http://tug.org/mactex
> Recall that the links on this site are multiplexed to various mirror sites,
> to avoid overwhelming popular sites. It sometimes takes a day or two
> for the mirror sites to get the release (and in that case, a download
> will produce the 2014 release). So waiting a couple of days might
> be advisable.
> Dick Koch
> PS: There was an interesting last minute change. Recall that
> /usr/texbin is a link which leads (indirectly) to the TeX binaries for the
> active TeX distribution. At the Apple Developer Conference WWDC, which
> is also running this week, Apple announced that the next version of
> OS X —  El Capitan —will not allow users to write to the /usr
> directory, even if they have Admin permission. Consequently, it
> is necessary for us to change this link. 
> On all older systems of OS X, the 2015 versions of MacTeX and 
> Basic TeX create two links pointing to the binaries: 
> 	/usr/texbin
> 	/Library/TeX/texbin
> On El Capitan, only the second link is created.

Why not change the “/usr/texbin" to “/usr/local/texbin” ?
Or will that also no longer  be permitted?

Berend Hasselman

> Currently, GUI apps are configured to look for binaries in /usr/texbin.
> These work fine with the new MacTeX-2015 and BasicTeX-2015.
> Over the summer, you might like to reconfigure these GUI apps
> to use /Library/TeX/texbin. You’ll discover that the apps still work,
> even if you switch to an earlier distribution like TeX Live 2012.
> When you upgrade to El Capitan in the fall, reconfiguration
> will become mandatory. 
> The TeX Dist pref pane will work with either link. Indeed
> at the moment we know of no other TeX problems with El
> Capitan.
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