# Executable name
EXE=gray-jintrac
LIBFILE=lib$(EXE).a

# Objects list
OBJ=gray_main.o gray-externals.o grayl.o reflections.o scatterspl.o \
    beamdata.o green_func_p.o const_and_precisions.o dispersion.o \
    calcei.o dqagmv.o

# Alternative search paths
vpath %.f90 src
vpath %.f src

# Fortran compiler name and flags
FC=gfortran
FFLAGS=-O0 -g -fbounds-check -Wall
#FFLAGS=-O3

DIRECTIVES = -DREVISION="'$(shell svnversion)'"

all: library

# Build executable from object files
$(EXE): main.o $(OBJ)
	$(FC) $(FFLAGS) -o $@ $^

$(LIBFILE): $(OBJ)
	rm -f $@
	ar -rv $@ $^

# Dependencies on modules
main.o: const_and_precisions.o
gray_main.o: const_and_precisions.o
gray-externals.o: green_func_p.o reflections.o beamdata.o dispersion.o
green_func_p.o: const_and_precisions.o
scatterspl.o: const_and_precisions.o
beamdata.o: const_and_precisions.o
dispersion.o: calcei.o dqagmv.o

# General object compilation command
%.o: %.f90
	$(FC) $(FFLAGS) -c $<

gray-externals.o:gray-externals.f
	$(FC) -cpp $(DIRECTIVES) $(FFLAGS) -c $< 

grayl.o:grayl.f
	$(FC) $(FFLAGS) -c $<

.PHONY: library clean install

library: $(LIBFILE)

# Remove output files
clean:
	rm -rf *.o *.mod $(EXE)

install:
	@if [ -f $(EXE) ]; then \
	  cp $(EXE) ~/bin/; \
	else \
	  echo File $(EXE) does not exist. Run \'make\' first; \
	fi