#CC=g++
CC=mpic++

LIBSRCS=utils.cpp testlib.cpp data_type.cpp
LIBOBJS=$(LIBSRCS:.cpp=.o)
LIBPROFOBJS=$(addprefix prof/, $(LIBOBJS))

CLASSSRCS=IsingModel.cpp monte_carlo.cpp
CLASSOBJS=$(CLASSSRCS:.cpp=.o)
CLASSPROFOBJS=$(addprefix prof/, $(CLASSOBJS))

INCLUDE=../include

CFLAGS=-Wall -larmadillo -std=c++11 -O3 -fomit-frame-pointer
#CFLAGS=-Wall -larmadillo -lblas -llapack -std=c++11 -O3 -fomit-frame-pointer
OPENMP=-fopenmp

# Add a debug flag when compiling (For the DEBUG macro in utils.hpp)
DEBUG ?= 0
ifeq ($(DEBUG), 1)
	DBGFLAG=-DDBG -g
else
	DBGFLAG=
endif

# Add profiling for serial code
PROFILE ?= 0
ifeq ($(PROFILE), 1)
	PROFFLAG=-pg -fno-inline-functions
else
	PROFFLAG=
endif

.PHONY: clean instrument

all: main phase_transition_mpi test_suite  time
#all: main 

# Instrumentation using scorep for parallel analysis
instrument: prof/phase_transition_mpi.o $(LIBPROFOBJS) $(CLASSPROFOBJS)
	scorep $(CC) $(LIBPROFOBJS) $(CLASSPROFOBJS) $< -o phase_transition_mpi_prof $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)
	
# Rules for executables
main: main.o $(LIBOBJS) $(CLASSOBJS)
	$(CC) $^ -o $@ $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)

phase_transition_mpi: phase_transition_mpi.o $(LIBOBJS) $(CLASSOBJS)
	$(CC) $^ -o $@ $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)

test_suite: test_suite.o $(LIBOBJS) $(CLASSOBJS)
	$(CC) $^ -o $@ $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)

time: time.o $(LIBOBJS) $(CLASSOBJS)
	$(CC) $^ -o $@ $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)

# Rule for object files
%.o: %.cpp
	$(CC) -c $^ -o $@ $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)

# Rule for instrumented object files
prof/%.o: %.cpp
	scorep $(CC) -c $^ -o $@ $(CFLAGS) $(DBGFLAG) $(PROFFLAG) -I$(INCLUDE) $(OPENMP)

clean:
	find . -maxdepth 2 -name "*.o" -type f -delete
	rm test_suite main phase_transition_mpi phase_transition_mpi_prof time