Chemistry preprocessor broken on derecho

[fvitt]

What happened?

    Errors were:
        Building test for SMS in directory /glade/derecho/scratch/fvitt/SMS_D_Ln9.f19_f19_mg17.FMOZ.derecho_intel.cam-outfrq3s_chemproc.20250912_084436_o0fgcl
        *** Chem preprocessor FAILED.
         See: /glade/derecho/scratch/fvitt/SMS_D_Ln9.f19_f19_mg17.FMOZ.derecho_intel.cam-outfrq3s_chemproc.20250912_084436_o0fgcl/Buildconf/camconf/chem_proc/chem_mech.doc
             ...cam buildcpp exited with error
        ERROR:  Missing CAM's config_cache.xml - cannot run build-namelist

At the end of chem_mech.doc:

0 ***  ** cpp not in /glade/u/apps/casper/24.12/spack/opt/spack/gcc/12.4.0/5b5c/bin/c

What are the steps to reproduce the bug?

./create_test SMS_D_Ln9.f19_f19_mg17.FMOZ.derecho_intel.cam-outfrq3s_chemproc

What CAM tag were you using?

cam6_4_114

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

No response

Will you be addressing this bug yourself?

Yes

Extra info

No response