libSystem not found using gfortran

[Chris Jones]

On 11/10/2019 2:22 pm, Guillaume Houzeaux @ BSC wrote:
> Chris,
>>
>>
>> On 11/10/2019 1:41 pm, Guillaume Houzeaux @ BSC wrote:
>>> Chris, thanks a lot for your very quick answer!
>>>
>>> 1. I followed the path for migration and reinstalled all packages. I 
>>> will try to do it once more to be sure.
>>> 2. Xcode version: 11.0
>>
>> Please update to 11.1. 11.0 indeed has a number of issues since fixed.
> 
> I get no updates available :o(

I think I saw the same. try a search for Xcode in the App store and 
update from there....

> 
> I will try from developer.apple.com
> 
>>
>>> Reading specs from 
>>> /opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0/../../../libgfortran.spec
>>> rename spec lib to liborig
>>> COLLECT_GCC_OPTIONS='-v' '-mmacosx-version-min=10.15.0' 
>>> '-shared-libgcc' '-mtune=core2'
>>> COMPILER_PATH=/opt/local/libexec/gcc/x86_64-apple-darwin18/9.2.0/:/opt/local/libexec/gcc/x86_64-apple-darwin18/9.2.0/:/opt/local/libexec/gcc/x86_64-apple-darwin18/:/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0/:/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/ 
>>>
>>> LIBRARY_PATH=/usr/lib/:/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0/:/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0/../../../ 
>>>
>>> COLLECT_GCC_OPTIONS='-v' '-mmacosx-version-min=10.15.0' 
>>> '-shared-libgcc' '-mtune=core2'
>>>   /opt/local/libexec/gcc/x86_64-apple-darwin18/9.2.0/collect2 
>>> -syslibroot 
>>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/ 
>>> -dynamic -arch x86_64 -macosx_version_min 10.15.0 
>>> -weak_reference_mismatches non-weak -o a.out 
>>> -L/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0 
>>> -L/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0/../../.. 
>>> /var/folders/1z/j0r1q88d2_95cj4fd50r39mr0000gr/T//cce0rRJI.o 
>>> -lgfortran -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc 
>>> -lquadmath -lm -lgcc_ext.10.5 -lgcc -lSystem -v
>>> collect2 version 9.2.0
>>> /opt/local/bin/ld -syslibroot 
>>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/ 
>>
>>
>> This I think is your problem. You are using the 10.14 SDK, not the 
>> 10.15 one. Does
>>
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk 
>>
>>
>> even exist on your system ? I guess not.
> nope, it does not exist
>>
>> Chris
>>
>>> -dynamic -arch x86_64 -macosx_version_min 10.15.0 
>>> -weak_reference_mismatches non-weak -o a.out 
>>> -L/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0 
>>> -L/opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0/../../.. 
>>> /var/folders/1z/j0r1q88d2_95cj4fd50r39mr0000gr/T//cce0rRJI.o 
>>> -lgfortran -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc 
>>> -lquadmath -lm -lgcc_ext.10.5 -lgcc -lSystem -v
>>> @(#)PROGRAM:ld  PROJECT:ld64-512.4
>>> BUILD 05:06:53 Aug 16 2019
>>> configured to support archs: armv6 armv7 armv7s arm64 arm64e arm64_32 
>>> i386 x86_64 x86_64h armv6m armv7k armv7m armv7em
>>> Library search paths:
>>>      /opt/local/lib/gcc9/gcc/x86_64-apple-darwin18/9.2.0
>>>      /opt/local/lib/gcc9
>>> Framework search paths:
>>> ld: library not found for -lSystem
>>> collect2: error: ld returned 1 exit status
>>>
>>>
>>>>
>>>> one more request.
>>>>
>>>> please post the full output from compiling your test code with the 
>>>> -v option.
>>>>
>>>> cheers Chris
>>>>
>>>> On 11/10/2019 12:59 pm, Chris Jones wrote:
>>>>>
>>>>> 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
>>>>>> Skype user: guillaume_houzeaux_bsc
>>>>>> WWW: BSC profile <https://www.bsc.es/houzeaux-guillaume>
>>>>>> ResearcherID: D-4950-2012
>>>>>> Scientific Profile: 
>>>>>> <https://www.researchgate.net/profile/Guillaume_Houzeaux> 
>>>>>> <http://scholar.google.es/citations?user=cL9khdYAAAAJ&hl=en> 
>>>>>> <http://orcid.org/0000-0002-2592-1426> 
>>>>>> <http://www.researcherid.com/rid/D-4950-2012>
>>>>>>
>>>
>>> -- 
>>> 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
>>> Skype user: guillaume_houzeaux_bsc
>>> WWW: BSC profile <https://www.bsc.es/houzeaux-guillaume>
>>> ResearcherID: D-4950-2012
>>> Scientific Profile: 
>>> <https://www.researchgate.net/profile/Guillaume_Houzeaux> 
>>> <http://scholar.google.es/citations?user=cL9khdYAAAAJ&hl=en> 
>>> <http://orcid.org/0000-0002-2592-1426> 
>>> <http://www.researcherid.com/rid/D-4950-2012>
>>>
> Thanks again,
> 
> g.
> 
> -- 
> 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
> Skype user: guillaume_houzeaux_bsc
> WWW: BSC profile <https://www.bsc.es/houzeaux-guillaume>
> ResearcherID: D-4950-2012
> Scientific Profile: 
> <https://www.researchgate.net/profile/Guillaume_Houzeaux> 
> <http://scholar.google.es/citations?user=cL9khdYAAAAJ&hl=en> 
> <http://orcid.org/0000-0002-2592-1426> 
> <http://www.researcherid.com/rid/D-4950-2012>
>