#-------------------------------------------------------------------------
# Makefile for the merge program
#
# History:     04/07/30  Gross, J.  created from awipsprblty Makefile
# Modified:    12/26/2012 A. Krautkramer - Migration to WCOSS
#              02/15/2017 C. Mattocks - added 'install' target,
#                            removed IBM Power settings, cleaned up
#              03/09/2018 C. Mattocks - Replaced LIBS variables with
#                            environmental variable names.
#
#-------------------------------------------------------------------------

# --------------------
# Define default shell
# --------------------
SHELL	= /bin/sh

# ------------------------------
# Source/Object/Executable files
# ------------------------------
SRCM	= merge.f
OBJM	= merge.o
INCM	=

SRCS	= dtgutils.f
OBJS    = dtgutils.o

CMD     = merge.x

# -----------------
# Compiler / Linker
# -----------------
# COMP=intel
COMP=cray
# COMP=pgi
# COMP=gnu

# ------------
# Common Flags
# ------------

ifeq ($(COMP),intel)
	FC = ifort
	FFLAGS = -O2 -align all -static-intel -fp-model strict
	LDFLAGS =
	DEBUG = -ftrapuv -check all -traceback -g
else ifeq ($(COMP),cray)
	FC = ftn
#	FFLAGS = -O2 -align all -static-intel -fp-model strict
	FFLAGS = -O2 -align all -fp-model strict
	LDFLAGS =
	DEBUG = -ftrapuv -check_all -traceback -g
else ifeq ($(COMP),pgi)
	FC = pgf90
	FFLAGS = -m32 -nomp -O4 -fastsse -Mipa=fast,inline -Bstatic_pgi -w
	LDFLAGS =
	DEBUG=
else
	FC = gfortran
	FFLAGS = -m64 -Ofast -mavx -funroll-loops -w
#	FFLAGS = -O0 -g -fbacktrace -ffpe-trap=invalid,zero,overflow,underflow -Wall -Wextra -pedantic
	LDFLAGS =
	DEBUG = -g -Wall -pedantic -fbounds-check -ffpe-trap=invalid,overflow,zero
endif

# ---------
#
# Libraries
# ---------
LDFLAGS	=
#LIBS   = -L/nwprod/lib -lg2_4 -lbacio_4 -ljasper -lpng -lz -lw3nco_4
# Replace the LIBS settings with environmental variables
LIBS   = $(W3NCO_LIB4) $(BACIO_LIB4) $(G2_LIB4) $(JASPER_LIB) $(PNG_LIB) $(Z_LIB)

# -------------
# Make program
# -------------
$(CMD): $(SRCM) $(OBJS)
	$(FC) $(FFLAGS) $(LDFLAGS) $(SRCM) $(OBJS) $(LIBS) -o $(CMD)

dtgutils.o: dtgutils.f
	$(FC) -c $(FFLAGS) dtgutils.f

# -------------
# Targets
# -------------
all: $(CMD)

debug: FFLAGS += $(DEBUG)
debug: all

# ------------------
# Install executable
# ------------------
install: all
	mkdir -p ../../exec/; cp -f $(CMD) ../../exec/

# --------
# Clean up
# --------
clean:
	-rm -f $(OBJM) $(OBJS)

clobber:        clean
	-rm -f $(CMD) ../../exec/$(CMD)