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Re: [Bug-gsl] SV decomp failure

From: Steve Brosnan
Subject: Re: [Bug-gsl] SV decomp failure
Date: Thu, 25 Oct 2012 21:39:27 -0700

Hi Rhys,

Success! 'make check' succeeds (all of it) with CC=clang. This is for Mountain 
Lion (OS X 10.8.2).

'clang -v' yields:
Apple clang version 4.1 (tags/Apple/clang-421.11.66) (based on LLVM 3.1svn)
Target: x86_64-apple-darwin12.2.0

I'm going to guess that clang should be chosen for OS X 10.7 and later. The 
default 'CC=gcc' should be chosen otherwise.

Good news!


On Oct 25, 2012, at 7:24 PM, Rhys Ulerich <address@hidden> wrote:

> Hi Steve,
>> What I don't know is how to tell the gsl build mechanism to use that compiler
> Does the discussion here help?
> http://stackoverflow.com/questions/6796982/clang-and-the-default-compiler-in-os-x-lion
> That is,
>   export CC=clang
> followed by the usual ./configure && make && make check.
> Since Apple seems to be going away from GCC, and if clang does work,
> I'd appreciate anyone's thoughts on tweaking configure.ac to prefer
> clang on OS X.  A quick Google indicates the two are ABI compatible.
> And we do get a deluge of OS X-related problems here.  Maybe with this
> solved we can get the hypergeometric 2F1 going again.
> - Rhys

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