ifeq ($(TARGET),i686-sel4-unknown)
 machine_width := 32
 CLANG_TRIPLE := i386-elf
endif

ifeq ($(TARGET),x86_64-sel4-unknown)
 machine_width := 64
 CLANG_TRIPLE := x86_64-elf
endif

SRCDIR := acpica/source/
OBJDIR := $(OUT_DIR).obj/$(TARGET)/

SRCS := $(wildcard $(SRCDIR)components/*/*.c)
SRCS := $(filter-out $(SRCDIR)components/disassembler/%,$(SRCS))
SRCS := $(filter-out $(SRCDIR)components/debugger/dbfileio.c,$(SRCS))
SRCS += $(SRCDIR)components/hardware/hwacpi.c
#SRCS += $(SRCDIR)common/ahuuids.c $(SRCDIR)common/ahids.c
#SRCS += $(SRCDIR)compiler/aslmapenter.c
OBJS := $(SRCS:$(SRCDIR)%.c=$(OBJDIR)%.o)

CPPFLAGS := -I $(SRCDIR)include/ -D ROBIGALIA -D ACPI_LIBRARY
#CPPFLAGS += -D ACPI_DEBUG_OUTPUT=1
# -D ACPI_DISASSEMBLER=1
CFLAGS := -ffreestanding
CFLAGS += -O2
CFLAGS += -D ROBIGALIA_MACHINE_WIDTH=$(machine_width)

.PHONY: all clean srcdir

all: $(OUT_DIR)/libacpica-$(TARGET).a

clean:
	rm -rf $(OUT_DIR)libacpica-$(TARGET).a $(OBJDIR)

$(OUT_DIR)/libacpica-$(TARGET).a: $(SRCDIR) $(OBJS)
	@echo [AR] $@
	@rm -f $@ && ar rc $@ $(OBJS)
	
$(OBJDIR)%.o: $(SRCDIR)%.c _Makefile
	@mkdir -p $(dir $@)
	@echo [CLANG] -o $@
	@clang -target $(CLANG_TRIPLE) -o $@ -c $< $(CFLAGS) $(CPPFLAGS)