port install gnat-gcc

Ryan Schmidt ryandesign at macports.org
Tue Jun 16 16:34:17 PDT 2009


On Jun 16, 2009, at 06:32, Martin Krischik wrote:

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> Am 16.06.2009 um 12:18 schrieb Ryan Schmidt:
>
>>
>> On Jun 15, 2009, at 00:36, Boey Maun Suang wrote:
>>
>>> If it's of any interest to anyone, I've been having a go at  
>>> creating a port that builds in the recommended way by downloading  
>>> a bootstrap compiler and uses that to build GCC with Ada support,  
>>> as the ghc port does.  (Because of the way that GCC builds and  
>>> installs itself with absolute path references, the only way that  
>>> I can see to get that to work would be to have the bootstrap  
>>> built for installation into a temporary subdirectory of /var/tmp,  
>>> have that build and install GCC with Ada support on the local  
>>> machine, and then delete the bootstrap compiler -- though that  
>>> may mean that it won't work with trace mode on).
>>
>> Why /var/tmp and not ${destroot}?
>
> Maybe he can't write to /opt. I often compile from / to /var/tmp on  
> systems when I don't have root access.

If you can't write to /opt/local, you wouldn't put your MacPorts  
there, and destroot is inside wherever your MacPorts prefix is, so  
that's not a reason not to use destroot.



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