srcdir?=$(dir $(abspath $(lastword $(MAKEFILE_LIST))))
exec_prefix?=$(prefix)
sbindir?=$(exec_prefix)/sbin
sysconfdir?=$(prefix)/etc
libdir?=$(prefix)/lib

TARGET=ipmi-energy-agent
VERSION=$(shell grep IPMI_ENERGY_AGENT_VERSION src/version.h | sed 's/[^"]*"\([0-9]*\.[0-9]*\).*/\1/')

TARBALL=$(TARGET)-$(VERSION).tar.bz2

DEPS_ROOT=$(srcdir)/deps
OPENIPMI_VERSION=2.0.21
OPENIPMI_PACKAGE=OpenIPMI-$(OPENIPMI_VERSION)
OPENIPMI_ROOT=$(DEPS_ROOT)/$(OPENIPMI_PACKAGE)
OPENIPMI_LIBDIR=$(OPENIPMI_ROOT)/lib/.libs
OPENIPMI_UTILS_LIBDIR=$(OPENIPMI_ROOT)/utils/.libs
OPENIPMI_UNIX_LIBDIR=$(OPENIPMI_ROOT)/unix/.libs
OPENIPMI_TARGET=$(OPENIPMI_LIBDIR)/libOpenIPMI.a

POPT_VERSION=1.16
POPT_PACKAGE=popt-$(POPT_VERSION)
POPT_ROOT=$(DEPS_ROOT)/$(POPT_PACKAGE)
POPT_LIBDIR=$(POPT_ROOT)/.libs
POPT_TARGET=$(POPT_LIBDIR)/libpopt.a

ALLINEA_FORGE_PATH?=/opt/arm/forge

CFLAGS ?= -g -O2

SOURCES=counters.c ipmi.c main.c simulate.c
HEADERS=counters.h ipmi.h main.h options.h simulate.h

TESTS=map-test

VPATH=src test

all: $(TARGET)

$(TARGET): $(SOURCES) $(HEADERS) 
	$(CC) $(filter %.c,$^) $(CFLAGS) -o $(TARGET) -lrt -I/usr/include/OpenIPMI -L/usr/lib64/ -lOpenIPMI  -lOpenIPMIutils -L/usr/lib64/pkgconfig -lOpenIPMIposix -lm

$(filter-out map-test,$(TESTS)): %: %.c
	$(CC) $< $(CFLAGS) -o $@

map-test: map-test.c map-metric-plugin-api.c $(ALLINEA_FORGE_PATH)/map/metrics/lib-system-energy.so $(ALLINEA_FORGE_PATH)/lib/64/libmap-sampler.so
	$(CC) $^ $(CFLAGS) -o $@ -I$(ALLINEA_FORGE_PATH)/map/metrics/include -L$(ALLINEA_FORGE_PATH)/map/metrics -l-system-energy -Wl,-rpath -Wl,$(ALLINEA_FORGE_PATH)/map/metrics -Wl,-rpath -Wl,$(ALLINEA_FORGE_PATH)/lib/64 -lrt

.PHONY: install uninstall clean tar rpm deb test

install:
	install -d $(DESTDIR)$(sbindir)/
	install $(TARGET) $(DESTDIR)$(sbindir)/
	install -d $(DESTDIR)$(libdir)/systemd/system/
	install -m 0644 lib/systemd/system/ipmi-energy-agent.service $(DESTDIR)$(libdir)/systemd/system/
	install -d $(DESTDIR)$(sysconfdir)/init.d/
	install -m 0644 etc/init.d/ipmi-energy-agent $(DESTDIR)$(sysconfdir)/init.d/
	install -d $(DESTDIR)$(sysconfdir)/default/
	install -m 0644 etc/default/ipmi-energy-agent $(DESTDIR)$(sysconfdir)/default/

uninstall:
	rm -f $(DESTDIR)$(sbindir)/$(TARGET)
	rm -f $(DESTDIR)$(libdir)/systemd/system/ipmi-energy-agent.service
	rm -f $(DESTDIR)$(etcdir)/init.d/ipmi-energy-agent

clean:
	rm -f $(TARGET) $(TESTS)
	rm -rf $(OPENIPMI_ROOT) $(POPT_ROOT)
	rm -rf debian/ipmi-energy-agent

tar: clean
	cd .. && tar -cjf $(TARBALL) ipmi-energy-agent

rpm: tar
	topdir=$$(mktemp -d); \
	mkdir $$topdir/{BUILD,RPMS,SOURCES,SPECS,SRPMS,BUILDROOT}; \
	rpmbuild -ta --define="_topdir $$topdir" --define="_rpmdir .." --buildroot="$$topdir/BUILDROOT" ../$(TARBALL); \
	ret=$$? \
	rm -rf $$topdir \
	exit $$ret

deb: clean
	debuild -i -us -uc -b

test: $(TARGET) $(TESTS)
	for test in $(filter-out map-test,$(TESTS)); do ./$$test; done
	PL_FOLDER=$$(mktemp -d); PL_FOLDER="$$PL_FOLDER" ./map-test; ret=$$?; rm -r "$$PL_FOLDER"; exit $$ret