[Clas12_software] Compiling Root on Mac OS Mountain Lion

[Maurik Holtrop]

Hello Veronique and Mac users,

Just to complicate things a little, note the following:

1) The latest version of "cling" is broken (as of this week), and for the latest version, PyROOT requires "cling", so this version is not ideal if you want PyROOT. I found that 5.34 also works.   

2) If you add --with-cocoa to the configure command, you force the cocoa build. This works on "older" versions too. Then you don't need to install XQuartz. But you can install XQuartz and then if you do --with-x11 you get an X11 version.

3) If you want to use a retina system, try cocoa_exp_hd. This version is experimental, but the --with-cocoa version looks much better on retina systems. This will be merged into the trunk by Timor soon.

Cheers,
	Maurik



On Oct 24, 2012, at 1:09 PM, Veronique Ziegler wrote:

> Hi, 
> 
>  for folks needing to install Root for their analyses on a Mac with Mountain Lion OS, 
> these are the instructions that enabled me to successfully install and build:
> 
> svn co http://root.cern.ch/svn/root/trunk root  
> 
> (see http://root.cern.ch/drupal/content/installing-root-source)
> 
> 
> Following these instructions from the Root developers who indicated that 
> something had been fixed recently in the OSX 10.8 build of ROOT trunk. 
> After you have checked out root, please do:
> 
> cd root
> svn up
> ./configure
> make distclean
> make
> 
> this should work in building the Cocoa backend version of ROOT free of X11.
> 
> Cheers, 
> 
> Veronique.
> 
> 
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