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)
Edificio NEXUS II - Office 3A, c) Jordi Girona 29
08034 Barcelona, Spain

Location: <https://www.google.es/maps/place/Carrer+de+Jordi+Girona,+08034+Barcelona/@41.3881175,2.1132195,17z/data=!3m1!4b1!4m8!1m2!10m1!1e2!3m4!1s0x12a4985099390467:0xd9abcf1987739b3e!8m2!3d41.3881175!4d2.1154135?hl=en>
Tel: +34 93 413 7781
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WWW: BSC profile <https://www.bsc.es/houzeaux-guillaume>
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