makefile ninjaness

bins += nr xd

all: ${bins}

nr_objs += main.o
nr_objs += thread.o
xd_objs += y.o

$(foreach x,${bins},$(x):$($(x)_objs))
        ${LD} ${LDFLAGS} -o $@ $^

%.o:%.cpp
        ${CXX} ${CXXFLAGS} -o $@ -c $<

%.o:%.c
        ${CC} ${CFLAGS} -o $@ -c $<

# Some scary ass voodoo...
clean_objs += ${libs} ${bins}
clean_objs += $(foreach x,${libs},$($(x)_libs))
clean_objs += $(foreach x,${bins},$($(x)_objs))

# Maintainence
clean:
        ${RM} -f ${clean_objs}