AttributeError when compiling with mpicxx

[nchaimov]

A user reports the following error with OpenMPI v4.1.5 and gcc v9.4.0

tau mpicxx -g -O3 -Wall -no-pie -Wl,--allow-multiple-definition -DDFFT_TIMING=2 -I/home/m.turner/src/spack/opt/spack/linux-ubuntu20.04-zen2/gcc-9.4.0/fftw-3.3.10-vocgvumlxbpt6itgcz2wncavau2zum6w/include -c -o TestDfft.o TestDfft.cpp
[TAU] XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
[TAU]
[TAU] CRITICAL
[TAU]
[TAU] An unexpected AttributeError exception was raised:
[TAU]
[TAU] 'InstalledCompilerSet' object has no attribute 'append'
[TAU]
[TAU] Traceback (most recent call last):
[TAU]   File "/sal/home/m.turner/.local/taucmdr-1.6.0/bin/tau", line 69, in <module>
[TAU]     sys.exit(cli_main_cmd.main(sys.argv[1:]))
[TAU]   File
[TAU]     "/sal/home/m.turner/.local/taucmdr-1.6.0/bin/../packages/taucmdr/cli/commands/__main__.py",
[TAU]      line 153, in main
[TAU]     return cli.execute_command(shortcut, cmd_args)
[TAU]   File "/sal/home/m.turner/.local/taucmdr-1.6.0/bin/../packages/taucmdr/cli/__init__.py",
[TAU]      line 319, in execute_command
[TAU]     return main(perm_args)
[TAU]   File
[TAU]     "/sal/home/m.turner/.local/taucmdr-1.6.0/bin/../packages/taucmdr/cli/commands/build.py",
[TAU]      line 89, in main
[TAU]     return expr.managed_build(args.cmd, args.cmd_args)
[TAU]   File
[TAU]     "/sal/home/m.turner/.local/taucmdr-1.6.0/bin/../packages/taucmdr/model/experiment.py",
[TAU]      line 373, in managed_build
[TAU]     target_compilers = target.check_compiler(compiler_cmd, compiler_args)
[TAU]   File "/sal/home/m.turner/.local/taucmdr-1.6.0/bin/../packages/taucmdr/model/target.py",
[TAU]      line 723, in check_compiler
[TAU]     known_compilers.append(compiler_record.installation())
[TAU] AttributeError: 'InstalledCompilerSet' object has no attribute 'append'
[TAU]
[TAU] This is a bug in TAU Commander.
[TAU] Please send '/sal/home/m.turner/.local/taucmdr/debug_log' to <[[email protected]](mailto:[email protected])> for
[TAU]     assistance.
[TAU]
[TAU] XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
make: *** [Makefile:66: TestDfft.o] Error 15