SRCDIR := .
CC := $(CROSS)gcc
CFLAGS := -fPIC -O3
CXXFLAGS := -I$(SRCDIR)/kiwi -fno-rtti
#F_LTO := -flto=auto
CXXFLAGS_EXTRA := -std=c++14 -Wall $(F_LTO) -fstrict-flex-arrays=3
CFLAGS_EXTRA := -pedantic -std=c99 -Wall $(F_LTO)
LIBFLAG := -shared
LIB_EXT := so
LUA_INCDIR := /usr/include

ifeq ($(findstring gcc,$(CC)),gcc)
  CXX := $(subst gcc,g++,$(CC))
  CXXFLAGS += -std=c++14
  ifneq ($(SANITIZE),)
    CFLAGS += -fsanitize=undefined -fsanitize=address
  endif
else
ifeq ($(CC),clang)
  CXX := clang++
  CXXFLAGS += -std=c++14
  ifneq ($(SANITIZE),)
    CFLAGS += -fsanitize=undefined -fsanitize=address
  endif
else
  CXX := $(CC)
endif
endif

OBJS := ckiwi.o luakiwi.o

VPATH = $(SRCDIR)/ckiwi $(SRCDIR)/luakiwi

all: ckiwi.$(LIB_EXT)

install:
	cp -f ckiwi.$(LIB_EXT) $(INST_LIBDIR)/ckiwi.$(LIB_EXT)
	cp -f kiwi.lua $(INST_LUADIR)/kiwi.lua

clean:
	rm -f ckiwi.$(LIB_EXT) $(OBJS)


ckiwi.$(LIB_EXT): $(OBJS)
	$(CXX) $(CXXFLAGS) $(CFLAGS) $(CFLAGS_EXTRA) -I$(SRCDIR)/kiwi $(LIBFLAG) -o $@ $^

ckiwi.o: ckiwi.h
luakiwi.o: ckiwi.h luakiwi-int.h luacompat.h

%.o: %.c
	$(CC) -I$(LUA_INCDIR) $(CFLAGS) $(CFLAGS_EXTRA) -c -o $@ $<

%.o: %.cpp
	$(CXX) -I$(LUA_INCDIR) $(CXXFLAGS) $(CFLAGS) $(CXXFLAGS_EXTRA) -c -o $@ $<

.PHONY: all install clean