#===============================================================================
# The following always need to be set
# SPMD             Whether to build in SPMD mode or not.  [values TRUE FALSE]
# SMP              Set to TRUE to enable building in SMP mode (uses OpenMP).  
# USER_CPPDEFS     CPP definitions (non platform dependent)
#
#===============================================================================

# Note that CPPDEFS is set in Macros.cppdefs
CPPDEFS += -DLINUX -DSEQ_$(FRAMEWORK) -DFORTRANUNDERSCORE -D_USE_FLOW_CONTROL -DNO_R16 -DNO_SHR_VMATH

ifeq ($(compile_threaded), true)
   CPPDEFS += -DTHREADED_OMP
endif

FC            := time ftn
CC            := time cc

NETCDF_PATH   := $(NETCDF_DIR)
INC_NETCDF    := $(NETCDF_PATH)/include
LIB_NETCDF    := $(NETCDF_PATH)/lib
MOD_NETCDF    := $(NETCDF_PATH)/include
ifeq ($(USE_MPISERIAL),TRUE)
   INC_MPI    := $(EXEROOT)/mct/mpi-serial
   LIB_MPI    := 
   CPPDEFS    += -DNO_MPIMOD
   CONFIG_ARGS += CPPFLAGS="$(CPPDEFS)"
else
   INC_MPI    := # $(MPICH)/include
   LIB_MPI    := # $(MPICH)/lib
endif
MPI_LIB_NAME  := mpich
INC_PNETCDF   := # $(PNETCDF)/include
LIB_PNETCDF   := # $(PNETCDF)/lib
LAPACK_LIBDIR := 


ifeq ($(strip $(MODEL)),cam)
    CPPDEFS += -DNO_MPI2
endif


CFLAGS        := $(CPPDEFS) 
FIXEDFLAGS    := -132 
FREEFLAGS     := -FR 
FFLAGS        := $(CPPDEFS) -fpp -g -fp-model precise -convert big_endian -assume byterecl -ftz -traceback -check pointers 
FFLAGS_NOOPT  := $(FFLAGS) -O0
FFLAGS_OPT    := -O2
LDFLAGS       := 
AR            := ar
MOD_SUFFIX    := mod
CONFIG_SHELL  :=

#===============================================================================
# Set include paths (needed after override for any model specific builds below)
#===============================================================================

INCLDIR := -I. 
ifneq ($(strip $(INC_NETCDF)),)
INCLDIR += -I$(INC_NETCDF)
endif
ifneq ($(strip $(MOD_NETCDF)),)
INCLDIR += -I$(MOD_NETCDF)
endif
ifneq ($(strip $(INC_MPI)),)
INCLDIR += -I$(INC_MPI)
endif 
ifneq ($(strip $(INC_PNETCDF)),)
INCLDIR += -I$(INC_PNETCDF)
endif

#===============================================================================
# Set model and other specific options
# NOTE - all CPPDEFS options must be defined before this point
#===============================================================================

ifeq ($(DEBUG),TRUE)
  FFLAGS       += -CU -check pointers -fpe0 -ftz
  FFLAGS_NOOPT += -CU -check pointers -fpe0 -ftz
else
  FFLAGS += $(FFLAGS_OPT)
endif

ifeq ($(compile_threaded), true)
  FFLAGS       += -openmp
  FFLAGS_NOOPT += -openmp
  CFLAGS       += -openmp
  LDFLAGS      += -openmp
endif

ifeq ($(strip $(MODEL)),cam)
# These RRTMG files cause a compiler error when using optimization.
# Until mods are made to read the data from files, just remove optimization from
# their compilation.
rrtmg_lw_k_g.o: rrtmg_lw_k_g.f90
	$(FC) -c $(CPPDEFS) $(INCLDIR) $(INCS) $(FREEFLAGS) $(FFLAGS_NOOPT) $<
rrtmg_sw_k_g.o: rrtmg_sw_k_g.f90
	$(FC) -c $(CPPDEFS) $(INCLDIR) $(INCS) $(FREEFLAGS) $(FFLAGS_NOOPT) $<
endif

ifeq ($(MODEL),mct)
        #add arguments for mct configure here
  CONFIG_ARGS += CC="$(CC)" FC="$(FC)" F90="$(FC)" INCLUDEPATH="-I$(INC_MPI)"
endif

ifeq ($(MODEL),pio)
  ifneq ($(strip $(PIO_CONFIG_OPTS)),)
    CONFIG_ARGS += $(PIO_CONFIG_OPTS)
  endif
  CONFIG_ARGS += CC="$(CC)" FC="$(FC)" F90="$(FC)" NETCDF_PATH="$(NETCDF_PATH)" FFLAGS="$(FFLAGS)" PNETCDF_PATH="$(PNETCDF_PATH)"
endif