Licensing question about libobjc

[Mike Stump]

On Mar 21, 2005, at 3:05 PM, Andrew Pinski wrote:
> I notice that libobjc have a different exception than all of the  
> other ones
> which have an exception to the GPL.  Is there is a reason behind this?
>
> The different between the libobjc exception and the one in libgcc/ 
> libstdc++ is that
> the exception only takes into account when all sources were  
> compiled with GCC.

I believe if you researched this, you would find that the derive from  
a common ancestor, and that libobjc just fell behind.

Here is rcsdiff -r1.1 -r1.158 libgcc2.c from oldgcc:

< /* As a special exception, if you link this library with files
<    compiled with GCC to produce an executable, this does not cause
<    the resulting executable to be covered by the GNU General Public  
License.
---
 > /* As a special exception, if you link this library with other files,
 >    some of which are compiled with GCC, to produce an executable,
 >    this library does not by itself cause the resulting executable
 >    to be covered by the GNU General Public License.

which shows some of the history.

You can update to the current canonical spelling in libgcc2.c.