#
# Makefile to generate LTR executables
#
# See the wiki for instructions on compiling components of the LTR.
#

include env/Make.${MACHINE}
include common/helpers/Make.resolution

BINDIR=build/bin
DATADIR=build/data
LIBDIR=build/lib
PYTHONDIR=${LIBDIR}/python/site-packages

ifndef INSTALLDIR
  INSTALLDIR=build
endif

all: utilities
	${MAKE} LFM
	${MAKE} LFM-MIX
	${MAKE} LFM-RCM
	${MAKE} CMIT
	${MAKE} TIEGCM

all-resolutions:
	${MAKE} all RESOLUTION=single
	${MAKE} all RESOLUTION=double
	${MAKE} all RESOLUTION=quad

null:
	echo "NULL target with RESOLUTION=${RESOLUTION}"

install: buildDirs
	-@if [ ! -d ${INSTALLDIR}/bin ]; then mkdir -p ${INSTALLDIR}/bin; fi
	-cp ${BINDIR}/* ${INSTALLDIR}/bin
	# FIXME: Need to install utilities:
	#         * RMS error
	#         * Python scripts (makeItSo)
	-cp -r ${DATADIR}/* ${INSTALLDIR}/data
	-@if [ ! -d ${INSTALLDIR}/lib ]; then mkdir -p ${INSTALLDIR}/lib; fi
	# FIXME:  Need to install Python libraries
	-cp -rp ${LIBDIR}/* ${INSTALLDIR}/lib
	@echo "-------------------------------------------------------------------------------"
	@echo "  You have installed the LTR to INSTALLDIR (${INSTALLDIR})."
	@echo "  You must set the LTRROOT environment variable to point to "
	@echo "  the top-level LTR source directory.  See the wiki for more information: "
	@echo "  https://wiki.ucar.edu/display/LTR"
	@echo "-------------------------------------------------------------------------------"


################
# Main targets #
################

utilities: common LFMstartup
	# FIXME:  Need to build:
	#         * RMS error

LFMstartup: common
	cd LFM-para/src/startup && ${MAKE}
	cp LFM-para/src/startup/mkLfmStartup ${BINDIR}
	test -d ${DATADIR}/grids || cp -rp LFM-para/src/startup/grids ${DATADIR}/grids

LFM: cleanLfm buildDirs common LFMstartup
	cd LFM-para/src && ${MAKE} LFM NI=${NI} NJ=${NJ} NK=${NK} NP=${NP}
	cp LFM-para/src/LFM-${NI}x${NJ}x${NK}-${NP} ${BINDIR}

LFM-MIX: cleanLfm buildDirs common LFMstartup
	cd LFM-para/src && ${MAKE} LFM-MIX NI=${NI} NJ=${NJ} NK=${NK} NP=${NP}
	cp LFM-para/src/LFM-MIX-${NI}x${NJ}x${NK}-${NP} ${BINDIR}
	cd MIX/src && ${MAKE} MIX
	cp MIX/src/MIX ${BINDIR}

LFM-RCM: cleanLfm LFM-MIX LFMstartup
	cd RCM/src && ${MAKE} RCM-LFM
	cp RCM/src/RCM-LFM ${BINDIR}

CMIT: TIEGCM TIEGCM-MIX LFM-MIX LFMstartup

TIEGCM: tiegcm
tiegcm: cleanTiegcm buildDirs
	cd TIEGCM/src && ${MAKE} COUPLING=
	cp TIEGCM/src/TIEGCM ${BINDIR}

TIEGCM-MIX:
	${MAKE} cleanTiegcm
	cd TIEGCM/src && ${MAKE} COUPLING=INTERCOMM
	cp TIEGCM/src/TIEGCM-MIX ${BINDIR}


###################
# Support targets #
###################

common: COMMON
COMMON: buildDirs
	cd common/src && $(MAKE)
	cp common/src/libcommon.a ${LIBDIR}

buildDirs:
	-@if [ ! -d ${DATADIR} ]; then mkdir -p ${DATADIR}; fi
	-@if [ ! -d ${BINDIR} ]; then mkdir -p ${BINDIR}; fi
	-@if [ ! -d ${LIBDIR} ]; then mkdir -p ${LIBDIR}; fi
	-@if [ ! -d ${PYTHONDIR} ]; then mkdir -p ${PYTHONDIR}; fi

cleanLfm:
	cd LFM-para/src && ${MAKE} clean

cleanTiegcm:
	cd TIEGCM/src && ${MAKE} clean

clean: cleanLfm cleanTiegcm
	cd common/src && ${MAKE} clean
	cd MIX/src && ${MAKE} clean
	cd RCM/src && ${MAKE} clean
	@echo "Cleaned up LTR source code"	

distclean: 
	cd common/src && ${MAKE} distclean
	cd LFM-para/src && ${MAKE} distclean
	cd MIX/src && ${MAKE} distclean
	cd TIEGCM/src && ${MAKE} distclean
	rm -rf build
	cd RCM/src && ${MAKE} distclean
	@echo "Distribution cleaned up LTR-para"	

documentation:
	@echo "Make sure you have Doxygen installed to build the documentation..."
	cd MIX/doc && doxygen doc.config
	cd LFM-para/doc && doxygen
	cd common/doc && doxygen doc.config