[R-SIG-Mac] Which command line tools for XCode 4.2.1

[Roy Mendelssohn - NOAA Federal]

My apologies, I didn't notice carefully that you were using Xcode 4.2.1.  But Google is your friend,  Apple has changed the name of what you need to download, see:

http://comments.gmane.org/gmane.os.apple.macports.user/26340

HTH.

-Roy

On Apr 16, 2013, at 12:44 PM, cstrato <cstrato at aon.at> wrote:

> Dear Simon,
> 
> Thank you for your explanation, and see below.
> 
> Best regards,
> Christian
> 
> On 4/16/13 9:30 PM, Simon Urbanek wrote:
>> 
>> On Apr 16, 2013, at 3:13 PM, cstrato wrote:
>> 
>>> Dear Simon,
>>> 
>>> On your developer site you mention:
>>> "We use Xcode 4.2 but Xcode 3.2 and higher should work as well. Note that you will need Command Line Tools component of Xcode on Mac OS X 10.7 or higher."
>>> 
>>> I am running OS X 10.7.5 and XCode 4.2.1 on my Mac, but have not downloaded the command line tools. My questions are:
>>> 
>>> - why do I need the command line tools?
>>> 
>> 
>> Because Xcode no longer installs compilers, linkers etc. in the system, so you won't be able to run them.
> 
> 
> It seems that my version of Xcode 4.2.1 does have all compilers installed, including clang, but version 3.0:
> $ clang -v
> Apple clang version 3.0 (tags/Apple/clang-211.12) (based on LLVM 3.0svn)
> Target: x86_64-apple-darwin11.4.2
> 
>> 
>> 
>>> - which version do I need to download from:
>>> https://developer.apple.com/downloads/index.action
>>> 
>>> There are e.g.
>>>  - Command Line Tools (OS X Lion) for Xcode - October 2012
>>>    (it is not mentioned which version of Xcode)
>>>  - Command Line Tools (OS X Lion) for Xcode - November 2012
>>>    (Xcode 4.3 is mentioned but it is nor clear if it works with 4.2.1)
>>>  - Command Line Tools (OS X Lion) for Xcode - April 2013
>>>    (Xcode 4.6.2 is mentioned but it is nor clear if it works with 4.2.1)
>>> 
>> 
>> It doesn't really matter (it may matter in the future, because Apple has announced that they'll be removing llvm-gcc from Xcode) - latest should be fine for now. The version is independent of your Xcode -- in fact if you download it by hand, you don't even need Xcode at all.
>> 
>> 
>>>  (BTW, the Preferences for Xcode 4.2.1 do not list Command Line Tools in the Install window.)
>>> 
>> 
>> I'm not sure what you mean by "Install window", but as Roy said, you'll find it in the download section of the preferences.
> 
> 
> When I open the Preferences and go to the download section I see a checkbox "Check for and install updates automatically", and below the list of items, which are:
> - iOS 4.3 Simulator (499.2 MB)
> - iOS 4.0 - 4.1 Device Debugging Support (505.1 MB)
> - iOS 3.0 - 3.2.2 Device Debugging Support (686.3 MB)
> None of these three items do I want to install since the download would be 1.7 GB and my internet connection is not very fast.
> 
>> 
>> 
>>> - do the Command Line Tools update clang/clang++?
>>> 
>> 
>> Yes
> 
> 
> This is good news.
> 
>> 
>> 
>>> The reason for my question is that in order to compile the C++ code in my package with clang I need at least version 3.1 since 3.0 results in an error.
>>> 
>> 
>> You'll need to tweak your local ~/.R/Makevars for that to work since CRAN's R uses llvm-gcc.
> 
> 
> This seems not to be possible since then I cannot compile my C++ code at all. It seems to interfere with the ROOT framework compiled with clang and does not find an include file. My Makefile depends on the ROOT config file.
> 
>> 
>> Cheers,
>> Simon
>> 
>> 
>> 
> 
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**********************
"The contents of this message do not reflect any position of the U.S. Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn at noaa.gov (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

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