### -*-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/default-java
JDK_PLAT		 = linux
INCLUDES		 = $(JDK)/include $(JDK)/include/$(JDK_PLAT)

PKGS			 = mLib catacomb
PKGS_CFLAGS		:= $(foreach p,$(PKGS),$(shell pkg-config --cflags $p))
PKGS_LIBS		:= $(foreach p,$(PKGS),$(shell pkg-config --libs $p))

CC			 = gcc
CFLAGS			 = -O2 -g -Wall -fPIC $(addprefix -I,$(INCLUDES))
CFLAGS			+= $(PKGS_CFLAGS)

LD			 = gcc
LIBS			 = $(PKGS_LIBS)
LDFLAGS.so		 = -shared

JAVAC			 = javac
JAVAFLAGS		 =

SCALAC			 = fsc
SCALAFLAGS		 = -optimise

## Hack around https://issues.scala-lang.org/browse/SI-9689
SCALAFLAGS		+= -Yno-load-impl-class

all::
.PHONY: all

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

CLASSDIR		 = cls/
%.stamp: %.java
	$(call v_tag,JAVAC)mkdir -p $(CLASSDIR) && \
		$(JAVAC) -d $(CLASSDIR) -cp $(CLASSDIR) $(JAVAFLAGS) $< && \
		echo built >$@
	$(V_AT)$(SCALAC) -reset
%.stamp: %.scala
	$(call v_tag,SCALAC)mkdir -p $(CLASSDIR) && \
		$(SCALAC) -d $(CLASSDIR) -cp $(CLASSDIR) $(SCALAFLAGS) $< && \
		echo built >$@
CLEANFILES		+= *.stamp
clean::; rm -rf $(CLASSDIR)

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) $(LDFLAGS.so) -o$@ $^ $(LIBS)

TARGETS			+= util.stamp

TARGETS			+= jni.stamp
jni.stamp: util.stamp

TARGETS			+= sys.stamp
sys.stamp: jni.stamp util.stamp

TARGETS			+= admin.stamp
admin.stamp: util.stamp

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

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

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

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