COMPILER=G++

# todo: object files into output path, processing c / c++ files in the same time (?), nested directories for source files (?)
C = c
OUTPUT_PATH = bin/
SOURCE_PATH = src/
EXE = bin/mbpfan
CONF = mbpfan.conf
SYSD = mbpfan.service
DOC = README.md
MAN = mbpfan.8.gz

ifeq ($(COMPILER), G++)
  ifeq ($(OS),Windows_NT)
    OBJ = obj
  else
    OBJ = o
  endif
  COPT = 
  CCMD = g++
  OBJFLAG = -o
  EXEFLAG = -o
# INCLUDES = -I../.includes
  INCLUDES =
# LIBS = -lgc
  LIBS = -lm
# LIBPATH = -L../gc/.libs
  LIBPATH =
  CPPFLAGS +=  $(COPT) -g $(INCLUDES) -Wall
  LDFLAGS += $(LIBPATH) -g $(LIBS) -Wall
  DEP = dep
else
  OBJ = obj
  COPT = /O2
  CCMD = cl
  OBJFLAG = /Fo
  EXEFLAG = /Fe
# INCLUDES = /I..\\.includes
  INCLUDES =
# LIBS = ..\\.libs\\libgc.lib
  LIBS =
  CPPFLAGS = $(COPT) /DEBUG $(INCLUDES)
  LDFLAGS = /DEBUG
endif

OBJS := $(patsubst %.$(C),%.$(OBJ),$(wildcard $(SOURCE_PATH)*.$(C)))

%.$(OBJ):%.$(C)
	mkdir -p bin
	@echo Compiling $(basename $<)...
	$(CCMD) -c $(CPPFLAGS) $(CXXFLAGS) $< $(OBJFLAG)$@

all: $(OBJS)
	@echo Linking...
	$(CCMD) $(LDFLAGS) $^ $(LIBS) $(EXEFLAG) $(EXE)

clean:
	rm -rf $(SOURCE_PATH)*.$(OBJ) $(EXE)

tests:
	make install
	/usr/sbin/mbpfan -f -v -t

uninstall:
	rm /usr/sbin/mbpfan
	rm /etc/mbpfan.conf
	rm /lib/systemd/system/mbpfan.service
	rm /usr/share/man/man8/mbpfan.8.gz
	rm -rf /usr/share/doc/mbpfan

install:
	make
	install -d $(DESTDIR)/usr/sbin
	install -d $(DESTDIR)/etc
	install -d $(DESTDIR)/lib/systemd/system
	install -d $(DESTDIR)/usr/share/doc/mbpfan
	install $(EXE) $(DESTDIR)/usr/sbin
	install -m644 $(CONF) $(DESTDIR)/etc
	install -m644 $(SYSD) $(DESTDIR)/lib/systemd/system
	install -m644 $(DOC) $(DESTDIR)/usr/share/doc/mbpfan
	install -d $(DESTDIR)/usr/share/man/man8
	install -m644 $(MAN) $(DESTDIR)/usr/share/man/man8
	@echo ""
	@echo "******************"
	@echo "INSTALL COMPLETED"
	@echo "******************"
	@echo ""
	@echo "A configuration file has been copied to /etc/mbpfan.conf"
	@echo "See README.md file to have mbpfan automatically started at system boot."
	@echo ""
	@echo "Please run the tests now with the command"
	@echo "   sudo make tests"
	@echo ""
rebuild: clean all
#rebuild is not entirely correct