On Sep 19, 2013, at 3:10 PM, Alexander Hansen <alexanderk.han...@gmail.com> wrote:
> On 9/19/13 11:27 AM, Martin Costabel wrote:
>> costabel% fink list xcode
>> []
>> Information about 7895 packages read in 4 seconds.
>> i xcode 5.0.0.0.1.13776663 []
>> i xcode.app 5.0-1 []
>>
>> In Xcode5 on OSX 10.8, there is no gcc any more; /usr/bin/gcc is clang:
>>
>>> costabel% /usr/bin/gcc -v
>>> Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr
>>> --with-gxx-include-dir=/usr/include/c++/4.2.1
>>> Apple LLVM version 5.0 (clang-500.2.76) (based on LLVM 3.3svn)
>>> Target: x86_64-apple-darwin12.5.0
>>> Thread model: posix
>>
>> `fink rebuild fink` errors out, after building successfully, with
>>
>>> Preparing to replace fink 0.35.1-71 (using
>>> .../fink_0.35.1-71_darwin-x86_64.deb) ...
>>> Unpacking replacement fink ...
>>> Setting up fink (0.35.1-71) ...
>>> Checking system... i386-apple-darwin12.5.0
>>> Under Mac OS X 10.8.5, Fink must be bootstrapped or updated with gcc
>>> 4.2, however, you currently have gcc (unknown version) selected.
>>> This typically is due to alteration of symlinks which were
>>> installed by Xcode. To correct this problem, you will need
>>> to restore the compiler symlinks to the configuration that
>>> Apple provides.
>>> /sw/bin/dpkg: error processing fink (--install):
>>> subprocess post-installation script returned error exit status 29
>>> Errors were encountered while processing:
>>> fink
>>
>
> It comes from the following in Services.pm:
>
> sub gcc_selected {
> # this should work anywhere we support, really
> if (-l '/usr/bin/gcc') {
> my $link = readlink('/usr/bin/gcc');
> if ($link =~ /gcc-(\d+\.\d+)/) {
> return $1;
> } else {
> print STDERR "WARNING: /usr/bin/gcc is not a symlink!";
> }
> }
> return 0;
> }
>
> There are two problems here:
>
> 1) [minor] The "print STDERR ..." item seems to be the wrong scope.
> The inner else block should only be reached if /usr/bin/gcc _is_ a
> symlink but to something that doesn't match the pattern. This function
> got modified a lot after we stopped supporting 10.4--probably my fault here.
>
> 2) Xcode 5 introduces a change in behavior in that /usr/bin/gcc is no
> longer a symlink.
>
> I don't know how necessary this test actually is--it's a leftover from
> the period when folks needed to use "gcc_select" to switch the default
> compiler.
I add a pull request at https://github.com/fink/fink/pull/85 as a possible fix
for this. It Works For Me with Xcode 5 on 10.8.5. The other option is to rip
out the check altogether, but that'll touch a lot more code.
Daniel
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