Fortran recipe

[Chris Jones]

On 25 Aug 2013, at 7:54pm, Chris Jones <jonesc at hep.phy.cam.ac.uk> wrote:

> Hi,
> 
> On 25 Aug 2013, at 07:50 PM, Jeremy Huddleston Sequoia <jeremyhu at macports.org> wrote:
> 
>> 
>> On Aug 25, 2013, at 11:29, Ryan Schmidt <ryandesign at macports.org> wrote:
>> 
>>> 
>>> On Aug 25, 2013, at 12:56, Chris Jones wrote:
>>> 
>>>> Its not clear to me if we also need to remove the variants that build with Macports clang. As I understand things these aren't affected by the c++ runtime issues ? These variants are still useful, for instance if the users wants to use the cocoa graphical backend, as these only works when built with clang, so on systems that don't use this as a default compiler, its convenient to have the clang variants as a fall back.
>>> 
>>> Are there any drawbacks to using clang? If not, maybe you should blacklist those compilers that won't build the cocoa backend. That way the cocoa backend will always be available.
>> 
>> I suggest that your +cocoa variants use "compiler.whitelist macports-clang-3.2 macports-clang-3.1" to force one of those compilers.  Can you explain why 3.3 and Apple clang don't work?
> 
> They do work, at least on OSX 10.8. I cannot test myself anything older, but i suspect there might be problems with the apple clang versions in older OSes. 

I just remember that last time I tried, the variant did not work with clang 3.3. This explains the check I have in the Portfile. It just fails to compile. I forget the error, I can try again if you are interested, but I suspect its just an issue with ROOT upstream …

> 
>> 
>> For Fortran, you should just set compiler.fc, etc.  This will ensure that you have a fortran compiler and are using a C++ compiler that uses the expected C++ runtime.
> 
> Indeed, thats what we will do.
> 
> Chris
> 
>> 
>> --Jeremy
>> 
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