buildcpp does not report errors reported by cam configure

[jedwards4b]

What happened?

I ran test SMS_Ln9_D.ne30pg3_ne30pg3_mg17.FADIAB.derecho_intel.cam-outfrq9s with ./xmlchange --append CAM_CONFIG_OPTS="-chem trop_mam4" and I get an error:

Traceback (most recent call last):
  File "/glade/derecho/scratch/jedwards/SMS_Ln9_D.ne30pg3_ne30pg3_mg17.FADIAB.derecho_intel.cam-outfrq9s.20240528_110421_r2qhrk/./case.build", line 267, in <module>
    _main_func(__doc__)
  File "/glade/derecho/scratch/jedwards/SMS_Ln9_D.ne30pg3_ne30pg3_mg17.FADIAB.derecho_intel.cam-outfrq9s.20240528_110421_r2qhrk/./case.build", line 241, in _main_func
    success = test.build(
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/SystemTests/system_tests_common.py", line 185, in build
    self._resetup_case(phase_name)
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/SystemTests/system_tests_common.py", line 156, in _resetup_case
    self._case.case_setup(reset=True, test_mode=True)
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/case/case_setup.py", line 505, in case_setup
    run_and_log_case_status(
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/utils.py", line 2480, in run_and_log_case_status
    rv = func()
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/case/case_setup.py", line 473, in <lambda>
    functor = lambda: _case_setup_impl(
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/case/case_setup.py", line 451, in _case_setup_impl
    case.create_namelists()
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/case/preview_namelists.py", line 90, in create_namelists
    import_and_run_sub_or_cmd(
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/utils.py", line 666, in import_and_run_sub_or_cmd
    raise e1 from None
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/utils.py", line 662, in import_and_run_sub_or_cmd
    run_sub_or_cmd(
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/cime/CIME/utils.py", line 707, in run_sub_or_cmd
    getattr(mod, subname)(*subargs)
  File "/glade/work/jedwards/sandboxes/cesm2_3_beta17/components/cam//cime_config/buildnml", line 81, in buildnml
    raise RuntimeError("CAM's 'buildcpp' script failed to run properly.")
RuntimeError: CAM's 'buildcpp' script failed to run properly.

Nowhere in this is the information needed to diagnose and solve the problem.

What are the steps to reproduce the bug?

see above

What CAM tag were you using?

cam6_3_160

What machine were you running CAM on?

CISL machine (e.g. cheyenne)

What compiler were you using?

Intel

Path to a case directory, if applicable

/glade/derecho/scratch/jedwards/SMS_Ln9_D.ne30pg3_ne30pg3_mg17.FADIAB.derecho_intel.cam-outfrq9s.20240528_110421_r2qhrk

Will you be addressing this bug yourself?

Yes

Extra info

No response