### -*-makefile-*-

V			 = 0
v_tag			 = $(call v_tag_$V,$1)
v_tag_0			 = @printf "  %-8s %s\n" "$1" "$@";
V_AT			 = $(V_AT_$V)
V_AT_0			 = @

JDK			 = /usr/lib/jvm/java-8-openjdk-amd64
JDK_PLAT		 = linux
INCLUDES		 = $(JDK)/include $(JDK)/include/$(JDK_PLAT)

CC			 = gcc
CFLAGS			 = -O0 -g -Wall -fPIC $(addprefix -I,$(INCLUDES))

LD			 = gcc
LDFLAGS.so		 = -shared

JAVAC			 = javac
JAVAFLAGS		 = -d .

SCALAC			 = scalac
SCALAFLAGS		 = -d . -optimise

all::
.PHONY: all

%.o: %.c
	$(call v_tag,CC)$(CC) -c $(CFLAGS) -MMD -o$@ $<
CLEANFILES		+= *.o *.d

%.stamp: %.java
	$(call v_tag,JAVAC)$(JAVAC) $(JAVAFLAGS) $< && echo built >$@
%.stamp: %.scala
	$(call v_tag,SCALAC)$(SCALAC) $(SCALAFLAGS) $< && echo built >$@
CLEANFILES		+= *.stamp

objects			 = $(patsubst %.c,%$2,$1)

TARGETS += libtoy.so
libtoy.so_SOURCES	 = jni.c
libtoy.so: $(call objects,$(libtoy.so_SOURCES),.o)
	$(call v_tag,LD)$(LD) $(LDFLAGS.so) -o$@ $^

clean::; rm -rf uk/

TARGETS			+= jni.stamp

TARGETS			+= sock.stamp
sock.stamp: jni.stamp

TARGETS			+= main.stamp
main.stamp: jni.stamp sock.stamp

all:: $(TARGETS)
ALLSOURCES		+= $(foreach t,$(TARGETS),$($t_SOURCES))

clean::; rm -f $(CLEANFILES) $(TARGETS)
.PHONY: clean

-include $(call objects,$(ALLSOURCES),.d)