[phobos] OS X lib32?

[Walter Bright]

On 3/27/2011 6:41 AM, Michel Fortin wrote:
> Le 2011-03-26 à 20:35, Walter Bright a écrit :
>
>> On 3/26/2011 1:26 PM, Michel Fortin wrote:
>>> A little while ago, there was a discussion about where to put the 32-bit phobos library in the DMD archive. It was finally decided that the 32-bit version would  go to a lib32 directory, and the 64-bit one in a lib64 directory.
>>>
>>> That's all fine for Linux, but I brought to the discussion that on OS X the standard way is to create a universal binary which includes both architectures in one file. That's how libraries are packaged on OS X. But I was told, that this didn't concern OS X (yet) as the 64-bit port was (for now) Linux-only. Valid point.
>>>
>>> But now, I see that in the archive the OS X library has been moved to a lib32 directory. Was this intentional or is it an oversight? Is the plan to do things as they're done on Linux and not have a universal multi-architecture binary?
>>>
>>> Currently D for Xcode is broken by this change and I'm looking at the best way to fix it. In the sort term I might just change the path to point to the lib32 directory instead of simply "lib". But the current approach which is to put a symbolic link in /usr/local/lib pointing to libphobos2.a won't work anymore if the binary for the two architectures are kept in separate files...
>> I don't know what the right answer is.
> The best thing would be to have a single multi-architecture library in a "lib" folder. Which would mean going back to "lib" instead of "lib32".
>
> And when the 64-bit version appears, you can easily combine the two architectures into a single library file using the "lipo" command and let the linker handle things from there on.

There's a conflict with the "mac way" and the "unix way". I'll have to agree 
with Michel that on the mac we should do it the mac way.