libSystem not found using gfortran

[Chris Jones]

can you please direct us to the exact test application code you are using ?

Also, can you confirm the exact Xcode version you are using ?

Have you correctly followed the macports migration guide after updating 
your OS ?

https://trac.macports.org/wiki/Migration

cheers Chris

On 11/10/2019 12:55 pm, Guillaume Houzeaux @ BSC wrote:
> Hello,
> 
> I'm compiling with gfortran9 on catalina and get this error:
> 
> gfortran test.f90
> ld: library not found for -lSystem
> collect2: error: ld returned 1 exit status
> 
> Seems that it does not find the library libSystem. I changed all the 
> library paths in my bash_profile
> 
> to include /usr/lib but does not work. The only solution for the moment 
> is to compile with
> 
> gfortran test.f90-L/usr/lib
> 
> but this is not a practical option... Any idea on how to fix this?
> 
> Thanks in advance
> 
> -- 
> Guillaume Houzeaux
> Team Leader
> Dpt. Computer Applications in Science and Engineering
> Barcelona Supercomputing Center (BSC-CNS)
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