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List:       r-sig-mac
Subject:    Re: [R-SIG-Mac] cannot install gfortran-lion-5666-3.pkg
From:       Simon Urbanek <simon.urbanek () r-project ! org>
Date:       2011-07-27 15:31:09
Message-ID: C88D9385-FA9F-46B6-9D8A-EBE6EDE3AA98 () r-project ! org
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On Jul 27, 2011, at 8:54 AM, Federico Calboli wrote:

> As a test I downloaded and tried to install gfortran-lion-5666-3.pkg. It does not \
> like the fact that Xcode 4.1 comes with gcc build 5658, rather than 5666.3, and it \
> does not install. 
> Lion, Xcode 4.1
> 
> gcc --version
> i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM \
> build 2335.15.00) Copyright (C) 2007 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 

Wrong reason. The only reason it won't install on Lion is if you don't have gcc-42 in \
the system location. The high-level check is that this must work:

ginaz:Lion$ /usr/bin/gcc-4.2 --version
i686-apple-darwin11-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


The actual test is that /usr/libexec/gcc/i686-apple-darwin11/4.2.1/cc1 must be \
present:

ginaz:Lion$ ls -l /usr/libexec/gcc/i686-apple-darwin11/4.2.1/cc1
-rwxr-xr-x@ 1 root  wheel  12486976 Jul 22 18:55 \
/usr/libexec/gcc/i686-apple-darwin11/4.2.1/cc1

The reason is that the package will update it so if you don't have it, you don't have \
Xcode in the right place so it won't work.

Cheers,
Simon

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