[Users] issue of compilation of ETK on Ubuntu 18.04

[Roland Haas]

Hello Federico,

this is just a guess: issues with Fortran modules, can be caused by
updates of the Fortran compiler (since they are specific to the exact
compiler version).

The compiled Fortran modules are stored in the "configs/sim/scratch"
directory and are removed (and then recompiled) by both the "clean" and
the "realclean" targets.

Can you try if you can compile after running:

make sim-clean

please (and then check before compiling that
configs/ET/scratch/cctk.mod is not present)? Looking at your log file,
this does not seem very likely to help (since you have "COMPILING
CactusBase/Fortran/src/cctk.F90") but it may be worth a try at least.

You may also want to check that there is no file named "cctk.mod"
anywhere else (eg by running "find
/home/federico/Documents/EinsteinToolkit/Cactus/ -name cctk.mod").

The toolkit compiles on a freshly installed Ubuntu 18.04 VM for me (and
with gcc 6, gcc 7, gcc 8, gcc 9 on my Debian Bullseye workstation), so
there may be something odd going on.

Would you mind attaching the file cctk.mod produced on your system as
well as the machine ini file for WS03 (WS03.ini in
simfactory/mdb/machines), please?

Yours,
Roland

> Dear EinsteiToolkit user support,
> 
> I am recently experiencing some issues compiling the ETK standard thornlist
> (version "Mayer") on my Workstation with Ubuntu 18.04 as OS.
> 
> Once I could compile the ETK (version "Tesla") correctly but after some
> recent upgrades, I cannot compile any thornlist within my machine. So I
> tried downloading the ETK most recent version (namely "Mayer) and build the
> standar thornlist from scratch, but I am always getting the same error.
> 
> I attach the compilation output of my last trial (namely the "ET"
> configuration). In order to build the ET configuration, I used the
> following command:
> 
> ./simfactory/bin/sim build ET --machine=WS03 --thornlist=./thornlists/
> einsteintoolkit.th >& compilation.out
> 
> The WS03 machine was defined by me in a "standard" way, and the WS03.ini
> file is calling the generic.cfg, generic.run and generic.sub files.
> 
> The current version of gcc, g++, gfortran and cpp compilers that I am using
> are the 7.4.0 GNU ones, although I tried also the 5.5 and 8.3 ones (always
> getting the same error). In order to set the version of the compiler, I am
> currently using the following command (for gcc - for the other compiler it
> is equivalent):
> 
> sudo update-alternatives --config gcc
> 
> As you can see, the last lines in the compilation.out files are the
> following:
> 
> Checking status of thorn CalcK
> COMPILING EinsteinAnalysis/CalcK/src/CalcK.F90
> f951: Fatal Error: Reading module ‘cctk’ at line 1310 column 20: Unexpected
> EOF
> compilation terminated.
> /home/federico/Documents/EinsteinToolkit/Cactus/configs/ET/config-data/make.config.rules:409:
> recipe for target 'CalcK.F90.o' failed
> make[3]: *** [CalcK.F90.o] Error 1
> /home/federico/Documents/EinsteinToolkit/Cactus/lib/make/make.thornlib:112:
> recipe for target 'make.checked' failed
> make[2]: *** [make.checked] Error 2
> /home/federico/Documents/EinsteinToolkit/Cactus/lib/make/make.configuration:181:
> recipe for target
> '/home/federico/Documents/EinsteinToolkit/Cactus/configs/ET/lib/libthorn_CalcK.a'
> failed
> make[1]: ***
> [/home/federico/Documents/EinsteinToolkit/Cactus/configs/ET/lib/libthorn_CalcK.a]
> Error 2
> Makefile:256: recipe for target 'ET' failed
> make: *** [ET] Error 2
> 
> Do you have any suggestions for me?
> 
> Best regards,
> Federico Cipolletta.



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