# makefile discription.
# basic build file for RiteVM library
# 11.Apr.2011 coded by Kenji Yoshimoto.
# 31.Aug.2011 coded by Hiroshi Mimaki.

# project-specific macros
# extension of the executable-file is modifiable(.exe .out ...)
BASEDIR = .
TARGET := ../lib/ritevm
ifeq ($(OS),Windows_NT)
LIB := $(TARGET).lib
else
LIB := $(TARGET).a
endif
YSRC := $(BASEDIR)/parse.y
YC := $(BASEDIR)/y.tab.c
EXCEPT1 := $(YC) $(BASEDIR)/minimain.c $(BASEDIR)/compile.c $(BASEDIR)/dump.c $(BASEDIR)/cdump.c
OBJY := $(patsubst %.c,%.o,$(YC))
OBJ1 := $(patsubst %.c,%.o,$(filter-out $(EXCEPT1),$(wildcard $(BASEDIR)/*.c)))
#OBJ2 := $(patsubst %.c,%.o,$(wildcard $(BASEDIR)/ext/regex/*.c))
#OBJ3 := $(patsubst %.c,%.o,$(wildcard $(BASEDIR)/ext/enc/*.c))
OBJS := $(OBJ1) $(OBJ2) $(OBJ3)
# mruby libraries
EXTC := $(BASEDIR)/../mrblib/mrblib.c
EXTRB := $(wildcard $(BASEDIR)/../mrblib/*.rb)
EXTM := $(patsubst %.c,%.o,$(EXTC))
# extend libraries
#EXT1 := $(patsubst %.c,%.o,$(wildcard $(BASEDIR)/ext/socket/*.c))
EXTS := $(EXT1)

# libraries, includes
INCLUDES = -I$(BASEDIR) -I$(BASEDIR)/../include
#INCLUDES = -I$(RITEVM_ROOT)

# compiler, linker (gcc)
CC = gcc
AR = ar
YACC = bison

DEBUG_MODE = 1
ifeq ($(DEBUG_MODE),1)
CFLAGS = -g
else
CFLAGS = -O3
endif
ALL_CFLAGS = -Wall -Werror-implicit-function-declaration $(CFLAGS)
MAKE_FLAGS = --no-print-directory CC="$(CC)" LL="$(LL)"

##############################
# generic build targets, rules

.PHONY : all
all : $(EXTM) $(LIB)
	@echo "make: built targets of `pwd`"

# executable constructed using linker from object files
$(LIB) : $(OBJS) $(OBJY) $(EXTM) $(EXTS)
	$(AR) r $@ $(OBJS) $(OBJY) $(EXTM) $(EXTS)

-include $(OBJS:.o=.d) $(OBJY:.o=.d)

# objects compiled from source
$(OBJS) : %.o : %.c
	$(CC) $(ALL_CFLAGS) -MMD $(INCLUDES) -c $< -o $@

# mruby library compile
$(EXTM) : $(EXTRB) $(OBJS) $(OBJY)
	$(MAKE) -C ../mrblib $(MAKE_FLAGS)

# extend libraries complile
$(EXTS) : %.o : %.c
	$(CC) $(ALL_CFLAGS) -MMD $(INCLUDES) -c $< -o $@

# parser complie
$(OBJY) : $(YC)
	$(CC) $(ALL_CFLAGS) -MMD $(INCLUDES) -c $(YC) -o $(OBJY)

# yacc complie
$(YC) : $(YSRC)
	$(YACC) -o $(YC) $(YSRC)

# clean up
.PHONY : clean #cleandep
clean :
	$(MAKE) clean -C ../mrblib $(MAKE_FLAGS)
	-rm -f $(LIB) $(OBJS) $(OBJY) $(YC)
	-rm -f $(OBJS:.o=.d) $(OBJY:.o=.d)
	@echo "make: removing targets, objects and depend files of `pwd`"