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/marconi_work/FUSIO_HLST/switmdir/libs-intel/blitz/1.0.1/intel/19.1.3.304/hftjglypfr4ovoej6dkxwuedupjqez3m/include/blitz/blitz.h(152): error: #error directive: Blitz is configured with --enable-threadsafe, but no compiler thread support is found. Did you forget, e.g., "--pthread"?
     #error Blitz is configured with --enable-threadsafe, but no compiler thread support is found. Did you forget, e.g., "--pthread"?

 How to reproduce issue

To avoid installing whole IMAS-Spack eco-system from scratch a minimal working example was prepared. This just takes the part of the IMAS code and tries to compile it the very same way as the IMAS installer does it.

1. Log in to Marconi cluster

2. Prepare $MODULEPATH thus the imasenv module can be found and loaded: 

   Code Block
   module use /marconi/home/userexternal/msmukows/public/modules

   
   

3. Load imasenv/3.36.0/intel/2020-test module

   Code Block
   module load imasenv/3.36.0/intel/2020-test

   
   

4. Navigate to the directory with example code:

   Code Block
   cd /marconi_work/FUSIO_HLST/testdir/tests/blitz_pthread_issue_intel_2020

   
   

5. There should be a file named: "test_pulse_create.cpp":

   
   

   Code Block
   . └── test_pulse_create.cpp

   
   

6. Now execute compilation command:

   Code Block
   icpc `pkg-config blitz --cflags` -I/marconi_work/FUSIO_HLST/msmukows/IMAS_INSTALLER/intel_installer/src/3.36.0/ual/4.10.1/cppinterface/src -I/marconi_work/FUSIO_HLST/msmukows/IMAS_INSTALLER/intel_installer/src/3.36.0/ual/4.10.1/lowlevel -g -O0 -fPIC -shared-intel -c test_pulse_create.cpp

   You should see the very same error message as above.

 Solution

After a long search a solution has been found, however it is not very elegant. Requires editing pkg-config for Blitz, which by default is prepared by SPACK. 

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