ifeq ($(shell uname),Darwin)
linkerflags = -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation -dynamiclib -framework JavaVM
jnilib      = libFtdiUartNative.jnilib
else
linkerflags =
jnilib      = libFtdiUartNative.so
endif

libusb_url = 'http://downloads.sourceforge.net/project/libusb/libusb-0.1%20%28LEGACY%29/0.1.12/libusb-0.1.12.tar.gz?use_mirror=cdnetworks-us-1'
edifparser_url = 'http://downloads.sourceforge.net/project/byuediftools/byuediftools/proton%20%280.5.2%29/byuediftools-0.5.2.jar?use_mirror=cdnetworks-us-2'

## demos ############################################################################

asyncdemo: slipway.jar 
	java -cp slipway.jar edu.berkeley.slipway.demos.FastestMicropipelineFifoDemo misc/data/async/

demo: slipway.jar 
	java -cp slipway.jar edu.berkeley.slipway.demos.Demo 30

demo2: slipway.jar 
	java -cp slipway.jar edu.berkeley.slipway.demos.Demo2 30

mpardemo: upstream/jhdl-edifparser.jar slipway.jar
	iverilog  -t fpga -s main -o out.edf misc/mpardemo.v
	java -cp slipway.jar:upstream/jhdl-edifparser.jar edu.berkeley.slipway.mpar.MPARDemo out.edf


## slipway ############################################################################

build/src/com/ftdi/usb/FtdiUart.c: src/com/ftdi/usb/FtdiUart.i
	mkdir -p `dirname $@`
	mkdir -p src/com/ftdi/usb
	swig -module FtdiUartNative -noproxy -package com.ftdi.usb -o $@ -outdir `dirname $@` -java $<

build/$(jnilib): build/src/com/ftdi/usb/FtdiUart.c upstream/libusb/.built
	gcc -I. -Iupstream/libftdi -Iupstream/libusb \
		-I$(JAVA_HOME)/include \
		$< \
		upstream/libftdi/ftdi.c \
		upstream/libusb/.libs/libusb.a \
		$(linkerflags) \
		-o $@

slipway.jar: build/$(jnilib) $(shell find src build/src -name \*.java) misc/slipway_drone.bst upstream/jhdl-edifparser.jar
	mkdir -p build
	$(javac) -d build $(shell find src build/src -name \*.java)
	cp misc/slipway_drone.bst build/edu/berkeley/slipway/
	cd build; jar cvf ../$@ .



## libusb ##############################################################################

upstream/libusb:
	mkdir -p `dirname $@`
	cd upstream; curl -L ${libusb_url} | tar -xvzf -
	cd upstream; mv libusb-0.1.12 libusb

upstream/libusb/.built: upstream/libusb
	cd upstream/libusb; \
		./configure && \
		make
	touch $@

javac = javac -cp upstream/jhdl-edifparser.jar
#java = java -Djava.library.path=$(shell pwd)/lib/ -cp lib/RXTXcomm.jar:slipway.jar



## for rebuilding usbdrone.hex ###########################################################

build/slipway_drone.hex: src/edu/berkeley/slipway/SlipwaySlave.c  upstream/avr-libc/.built
	upstream/prefix/bin/avr-gcc -O3 -mmcu=at94k $< -o $@.o
	upstream/prefix/bin/avr-objcopy -O ihex $@.o $@

# this only works on my personal setup [adam]
#misc/slipway_drone.bst: build/slipway_drone.hex
#	cp $<    /afs/research.cs.berkeley.edu/user/megacz/slipway/$<
#	fs flush /afs/research.cs.berkeley.edu/user/megacz/slipway/$<
#	echo okay...
#	read
#	rm /afs/research.cs.berkeley.edu/user/megacz/slipway/$<
#	diff -u /afs/research.cs.berkeley.edu/user/megacz/slipway/$@ $@ && \
#		exit -1; true
#	mv /afs/research.cs.berkeley.edu/user/megacz/slipway/$@ $@
#	touch $@



## avr-gcc toolchain and libc ################################################################

upstream/binutils:
	cd upstream; curl -L http://ftp.gnu.org/pub/pub/pub/gnu/binutils/binutils-2.19.1.tar.bz2 | tar -xvjf -
	cd upstream; mv binutils-2.19.1 binutils

upstream/binutils/.built: upstream/binutils
	mkdir -p upstream/prefix
	cd upstream/binutils; \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin \
		./configure --prefix=$(shell pwd)/upstream/prefix --target=avr && \
		make && \
		make install
	touch $@

upstream/gcc:
	cd upstream; curl -L http://ftp.gnu.org/pub/gnu/gcc/gcc-4.0.3/gcc-core-4.0.3.tar.bz2 | tar -xvjf -
	cd upstream; mv gcc-4.0.3 gcc

upstream/gcc/.built: upstream/gcc upstream/binutils/.built
	mkdir -p upstream/prefix
	mkdir -p upstream/gcc-build
	cd upstream/gcc-build; \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin \
		../gcc/configure --prefix=$(shell pwd)/upstream/prefix --target=avr && \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin make && \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin make install
	touch $@

upstream/avr-libc:
	cd upstream; curl -L http://nongnu.askapache.com/avr-libc/avr-libc-1.4.3.tar.bz2 | tar -xvjf -
	cd upstream; mv avr-libc-1.4.3 avr-libc

upstream/avr-libc/.built: upstream/avr-libc upstream/gcc/.built
	cd upstream/avr-libc; \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin \
		./configure --prefix=$(shell pwd)/upstream/prefix --host=avr && \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin make && \
		PATH=$$PATH:$(shell pwd)/upstream/prefix/bin make install
	touch $@


## edif parser ##########################################################################

upstream/jhdl-edifparser.jar:
	mkdir -p upstream
	curl -Lo $@- ${edifparser_url}
	mv $@- $@

## javadoc ##############################################################################

javadoc:
	rm -rf doc/api
	mkdir -p doc/api
	javadoc \
		-linksource \
		-windowtitle "abits" \
		-sourcepath src \
		-public \
		-notree \
		-noindex \
		-nonavbar \
		-noqualifier all \
		-d doc/api \
		`find src -name \*.java`