[82168] trunk/dports/graphics

[Ryan Schmidt]

On Aug 9, 2011, at 23:28, Blair Zajac wrote:

> On Aug 9, 2011, at 9:08 PM, Ryan Schmidt wrote:
> 
>> On Aug 9, 2011, at 21:01, Blair Zajac wrote:
>> 
>>> The libField3D.dylib needs to be installed as 0755, but besides this, thanks.
>> 
>> Why is that though? Nobody is going to be executing the dylib, so why would it need the execute bit?
> 
> I'm not sure of the exact reason, it's always been practice, but they normally are installed that way:
> 
> find /usr/lib -maxdepth 1 -name \*.dylib -type f -ls
> 
> Maybe it's something to do with executing code from a shared library that is memory mapped into the process?
> 
> I know on linux if you don't, then ldd complains, although the process still runs.

Hmm. I do see most libraries in /usr/lib and /opt/local/lib have the execute bit, but some don't.

Google tells me sometimes it's useful to execute a shared library:

http://stackoverflow.com/questions/6299395/gcc-generates-shared-object-with-execute-permissions

So, that's interesting.