PROG = hdfcompressor
EXEC = hdfcompressor
LIB = libhdfcompressor.a

ifndef HDF_LIBS
export HDF_LIBS=-lmfhdf -ldf -ljpeg -lz -lm
endif

.PHONY: default check_env all clean
default : check_env $(PROG)

all:
	make clean ; make

clean:
	rm -f bin/*
	rm -f lib/*
	cd src ; make clean

check_env:
	@if [ -z $(HDF_INC) ]; then \
		echo "Error : environment variable HDF_INC not set" ; \
		exit 1; \
	fi;

	@if [ -z $(HDF_LIBDIR) ]; then \
		echo "Error : environment variable HDF_LIBDIR not set" ; \
		exit 1; \
	fi;
	@echo "----- HDF4 Library -----" ;
	@echo "Includes Directory     : "$(HDF_INC) ;
	@echo "Libraries Directory    : "$(HDF_LIBDIR) ;
	@echo "Libraries              : "$(HDF_LIBS) ;
	@echo "------------------------" ;

$(PROG):
	cd src; make
	@if [ ! -e bin ] ; then mkdir bin ; fi
	@if [ ! -e lib ] ; then mkdir lib ; fi
	cp src/$(EXEC) bin/$(EXEC)
	cp src/$(LIB) lib/$(LIB)
	rm src/$(EXEC)
	rm src/$(LIB)