Add themochem build for CPU

Author: prathi-wind

toolchain/mfc/run/input.py

@@ -5,7 +5,7 @@
 
 from ..printer import cons
 from ..        import common, build
-from ..state   import ARGS, ARG
+from ..state   import ARGS, ARG, gpuConfigOptions
 from ..case    import Case
 
 @dataclasses.dataclass(init=False)
@@ -73,10 +73,10 @@ def generate_fpp(self, target) -> None:
         # Determine the real type based on the single precision flag
         real_type = 'real(sp)' if ARG('single') else 'real(dp)'
 
-        gpu_type = None
-        if (ARG("gpu") == "mp"):
+        directive_str = None
+        if (ARG("gpu") == gpuConfigOptions.MP.value):
             directive_str = 'mp'
-        elif (ARG("gpu") == "acc"):
+        elif (ARG("gpu") == gpuConfigOptions.ACC.value):
             directive_str = 'acc'
 
         # Write the generated Fortran code to the m_thermochem.f90 file with the chosen precision