[141201] trunk/dports/math/ceres-solver/Portfile

[Joshua Root]

On 2015-10-13 08:26 , Mark Moll wrote:
> 
>> On Oct 12, 2015, at 4:11 PM, Ryan Schmidt <ryandesign at macports.org> wrote:
>>
>>
>>> On Oct 12, 2015, at 12:25 PM, mmoll at macports.org wrote:
>>>
>>> Revision
>>> 141201
>>> Author
>>> mmoll at macports.org
>>> Date
>>> 2015-10-12 10:25:29 -0700 (Mon, 12 Oct 2015)
>>> Log Message
>>>
>>> ceres-solver: update to version 1.11.0
>>
>>> +# some C demo programs are linked against a C++ library, which in turn
>>> +# requires linking against libc++
>>> +configure.ldflags-append -lc++
>>
>> libc++ is not part of Mac OS X 10.6 and earlier, and is not the default C++ runtime on OS X 10.8 and earlier. What happens with this port on those systems?
> 
> 
> What is the appropriate way to handle this? Something like this?:
> 
> if {${configure.cxx_stdlib} eq “libc++”} {
> 	configure.ldflags-append -lc++
> } else {
> 	configure.ldflags-append -lstdc++
> }

Running $CXX to do the linking would be the right way. It must be using
a C compiler or using ld directly currently.

- Josh