RELPKG=
REBAR=rebar

OTPREL=$(shell erl -noshell -eval 'io:format(erlang:system_info(otp_release)), halt().')
PLT=$(HOME)/.dialyzer_plt.$(OTPREL)

DIALYZE_IGNORE_WARN?=dialyze-ignore-warnings.txt
DIALYZE_NOSPEC_IGNORE_WARN?=dialyze-nospec-ignore-warnings.txt

dialyzer=dialyzer -q --plt $(PLT) -Wunmatched_returns -r ./lib
dialyzer-nospec=dialyzer -q --plt $(PLT) --no_spec -Wno_undefined_callbacks -r ./lib
dialyzer-eunit=dialyzer -q --plt $(PLT) -Wunmatched_returns -r `find ./lib -name .eunit -print | xargs echo`
dialyzer-eunit-nospec=dialyzer -q --plt $(PLT) --no_spec -Wno_undefined_callbacks -r `find ./lib -name .eunit -print | xargs echo`

ifeq ($(shell uname -s),Darwin)
	ifeq ($(shell uname -m),x86_64)
		otp_configure_flags= --enable-darwin-64bit
	else
		otp_configure_flags= --enable-darwin-universal
	endif
else
	otp_configure_flags=
endif

.PHONY: all test \
	compile compile-eqc compile-proper \
	eunit-compile eqc-compile triq-compile proper-compile \
	eunit eqc proper \
	doc \
	build-plt check-plt \
	dialyze dialyze-nospec \
	update-dialyzer-baseline update-dialyzer-nospec-baseline \
	dialyze-eunit dialyze-eunit-nospec \
	dialyze-eqc dialyze-eqc-nospec \
	dialyze-proper dialyze-proper-nospec \
	ctags etags \
	clean realclean distclean \
	otp_make_release_tests otp_run_release_tests

all: compile

test: eunit

deps: get-deps

get-deps:
	$(REBAR) get-deps

compile:
	@echo "compiling: $(RELPKG) ..."
	$(REBAR) compile

compile-eqc:
	@echo "compiling-eqc: $(RELPKG) ..."
	$(REBAR) compile -D QC -D QC_EQC

compile-triq:
	@echo "compiling-eqc: $(RELPKG) ..."
	$(REBAR) compile -D EQC -D TRIQ

compile-proper:
	@echo "compiling-proper: $(RELPKG) ..."
	$(REBAR) compile -D QC -D QC_PROPER

eunit-compile: compile
	@echo "eunit test compiling: $(RELPKG) ..."
	$(REBAR) compile -D QC -D TRIQ -D TEST

eqc-compile: compile-eqc
	@echo "eqc test compiling: $(RELPKG) ..."
	$(REBAR) compile eqc -D QC -D QC_EQC

triq-compile: compile-triz
	@echo "eqc test compiling: $(RELPKG) ..."
	$(REBAR) eunit-compile -D EQC -D TRIQ

proper-compile: compile-proper
	@echo "proper test compiling: $(RELPKG) ..."
	$(REBAR) eunit-compile -D QC -D QC_PROPER

eunit: eunit-compile
	@echo "eunit testing: $(RELPKG) ..."
	$(REBAR) eunit skip_deps=true

eqc: eqc-compile
	@echo "eqc testing: $(RELPKG) ... not implemented yet"

triq: triq-compile
	@echo "triq testing: $(RELPKG) ... not implemented yet"

proper: proper-compile
	@echo "proper testing: $(RELPKG) ... not implemented yet"

doc: compile
	@echo "edoc generating: $(RELPKG) ..."
	$(REBAR) doc

build-plt: $(PLT)

check-plt: $(PLT)
	dialyzer -q --plt $(PLT) --check_plt

dialyze: build-plt clean compile
	@echo "dialyzing w/spec: $(RELPKG) ..."
	$(dialyzer) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)

dialyze-nospec: build-plt clean compile
	@echo "dialyzing w/o spec: $(RELPKG) ..."
	$(dialyzer-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)

update-dialyzer-baseline: dialyze
	mv -f $(DIALYZE_IGNORE_WARN).log $(DIALYZE_IGNORE_WARN)

update-dialyzer-nospec-baseline: dialyze-nospec
	mv -f $(DIALYZE_NOSPEC_IGNORE_WARN).log $(DIALYZE_NOSPEC_IGNORE_WARN)

dialyze-eunit: build-plt clean eunit-compile
	@echo "dialyzing .eunit w/spec: $(RELPKG) ..."
	$(dialyzer-eunit) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)

dialyze-eunit-nospec: build-plt clean eunit-compile
	@echo "dialyzing .eunit w/o spec: $(RELPKG) ..."
	$(REBAR) eunit-compile
	$(dialyzer-eunit-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)

dialyze-eqc: build-plt clean eqc-compile
	@echo "dialyzing .eqc w/spec: $(RELPKG) ..."
	$(dialyzer-eunit) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)

dialyze-eqc-nospec: build-plt clean eqc-compile
	@echo "dialyzing .eqc w/o spec: $(RELPKG) ..."
	$(REBAR) eqc-compile
	$(dialyzer-eunit-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)

dialyze-proper: build-plt clean proper-compile
	@echo "dialyzing .proper w/spec: $(RELPKG) ..."
	$(dialyzer-eunit) | grep -v '^ *$$' | tee $(DIALYZE_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_IGNORE_WARN)

dialyze-proper-nospec: build-plt clean proper-compile
	@echo "dialyzing .proper w/o spec: $(RELPKG) ..."
	$(REBAR) proper-compile
	$(dialyzer-eunit-nospec) | grep -v '^ *$$' | tee $(DIALYZE_NOSPEC_IGNORE_WARN).log | fgrep -v -f $(DIALYZE_NOSPEC_IGNORE_WARN)

ctags:
	find ./lib -name "*.[he]rl" -print | fgrep -v .eunit | ctags -
	find ./lib -name "*.app.src" -print | fgrep -v .eunit | ctags -a -
	find ./lib -name "*.config" -print | fgrep -v .eunit | ctags -a -
	find ./lib -name "*.[ch]" -print | fgrep -v .eunit | ctags -a -
	find ./lib -name "*.cc" -print | fgrep -v .eunit | ctags -a -

etags:
	find ./lib -name "*.[he]rl" -print | fgrep -v .eunit | etags -
	find ./lib -name "*.app.src" -print | fgrep -v .eunit | etags -a -
	find ./lib -name "*.config" -print | fgrep -v .eunit | etags -a -
	find ./lib -name "*.[ch]" -print | fgrep -v .eunit | etags -a -
	find ./lib -name "*.cc" -print | fgrep -v .eunit | etags -a -

clean:
	@echo "cleaning: $(RELPKG) ..."
	$(REBAR) clean

realclean: clean
	@echo "realcleaning: $(RELPKG) ..."
	rm -f $(PLT) TAGS

distclean:
	@echo "distcleaning: $(RELPKG) ..."
	repo forall -v -c 'git clean -fdx --exclude=lib/'

$(PLT):
	@echo "building: $(PLT) ..."
	dialyzer -q --build_plt --output_plt $(PLT) --apps \
		asn1 \
		compiler \
		crypto \
		dialyzer \
		diameter \
		edoc \
		erts \
		et \
		eunit \
		gs \
		hipe \
		inets \
		kernel \
		mnesia \
		observer \
		parsetools \
		public_key \
		runtime_tools \
		sasl \
		ssl \
		stdlib \
		syntax_tools \
		tools \
		webtool \
		xmerl

# rm -rf rebar rebar.git
# . ~/.kerl/installations/r13b04/activate
# make -f rebar.mk rebar
# git commit -m "Update rebar (`$(REBAR) -V | cut -d ' ' -f 8`)" rebar
rebar: rebar.git
	(cd $(CURDIR)/rebar.git && make clean && make && cp -f rebar ..)
	$(REBAR) -V

rebar.git:
	rm -rf $(CURDIR)/rebar
	git clone git://github.com/norton/rebar.git rebar.git

otp: otp.git
	make -C $(CURDIR)/otp.git install

otp.git:
	rm -rf $(CURDIR)/otp
	mkdir -p $(CURDIR)/otp
	git clone git://github.com/erlang/otp.git otp.git
	(cd $(CURDIR)/otp.git && \
		git co OTP_R15B01 && \
		./otp_build autoconf && \
		./configure \
			--disable-hipe \
			--enable-debug \
			--enable-kernel-poll \
			--enable-threads \
			--enable-dynamic-ssl-lib \
			--enable-shared-zlib \
			--enable-smp-support \
			$(otp_configure_flags) \
			--prefix=$(CURDIR)/otp)
	make -C $(CURDIR)/otp.git

otp-debug: otp.git
	env ERL_TOP=$(CURDIR)/otp.git make -C otp.git/erts/emulator debug FLAVOR=smp

otp-valgrind: otp.git
	env ERL_TOP=$(CURDIR)/otp.git make -C otp.git/erts/emulator valgrind FLAVOR=smp

cerl-debug: otp.git
	env ERL_TOP=$(CURDIR)/otp.git otp.git/bin/cerl -debug

cerl-valgrind: otp.git
	env ERL_TOP=$(CURDIR)/otp.git otp.git/bin/cerl -valgrind

## See https://github.com/erlang/otp/wiki/Running-tests for details
otp_make_release_tests: otp.git
	rm -rf otp.git/release/tests
	env ERL_TOP=$(CURDIR)/otp.git ERL_LIBS=$(CURDIR)/otp.git/lib \
		make -C otp.git release_tests

otp_run_release_tests: otp_make_release_tests
	@echo ""
	@echo "** Warning killing all local beam, beam.smp, and epmd programs **"
	@echo ""
	sleep 10
	killall -q -9 beam || true
	killall -q -9 beam.smp || true
	killall -q -9 epmd || true
	@echo ""
	@echo "** Open '$(CURDIR)/otp.git/release/tests/test_server/index.html' in your browser**"
	@echo ""
	sleep 10
	(cd $(CURDIR)/otp.git/release/tests/test_server && \
		env ERL_TOP=$(CURDIR)/otp.git ERL_LIBS=$(CURDIR)/otp.git/lib \
			$(CURDIR)/otp.git/bin/erl \
				-s ts install \
				-s ts run \
				-s erlang halt)