library not found for -lgfortran

Ryan Schmidt ryandesign at macports.org
Tue Jul 8 07:36:49 PDT 2014


On Jul 8, 2014, at 7:34 AM, Mark Brethen wrote:

> On Jul 8, 2014, at 3:05 AM, Ryan Schmidt wrote:
> 
>> On Jul 7, 2014, at 11:28 PM, Mark Brethen wrote:
>> 
>>> I was told that until a patch is submitted, I can just add -L/opt/local/lib/gcc48 to the LDFLAGS environment variable. So I put this in the portfile:
>>> 
>>> configure.ldflags-append "-L${prefix}/lib/gcc48"
>>> 
>>> I'm thinking that "gcc48" should be replaced by a variable, but what do I use?
>> 
>> MacPorts doesn't provide a variable suitable for that. If you have gcc variants, you could append to configure.ldflags in each variant, adjusting the path as needed for each gcc version.
> 
> I have:
> 
> compilers.choose        fc
> compilers.setup         -dragonegg -g95 require_fortran
> 
> if {![fortran_variant_isset]} {
>    default_variants-append +gcc48
> }
> 
> configure.ldflags-append "-L${prefix}/lib/gcc48 -lgfortran"
> 
> If the user has set a different version of gcc this won't work.

Oh, you don't create the compiler variants manually; you have the compilers portgroup do it for you. I'm not sure how the author of that portgroup intended for this situation to be handled. Maybe it does provide a variable for the currently–selected variant. Sean?




More information about the macports-dev mailing list