# Amiga (Bebbo m68k-amigaos-gcc) build rules.

include $(dir $(lastword $(MAKEFILE_LIST)))/common.mk

PLATFORM := amiga
BUILD    := $(REPO_DIR)/build/$(PLATFORM)
LIBDIR   := $(BUILD)/lib
BINDIR   := $(BUILD)/bin

CFLAGS  := $(COMMON_CFLAGS) -DJOEYLIB_PLATFORM_AMIGA -m68000 -fomit-frame-pointer -noixemul
ASFLAGS := -Felf -m68000 -quiet
# --allow-multiple-definition lets our user-space tzset stub
# (src/port/amiga/libinit.c) win over libnix's version in
# __gmtoffset.o. libnix's tzset dereferences a possibly-NULL
# LocaleBase; our no-op skips the deref.
LDFLAGS := -noixemul -Wl,--allow-multiple-definition

PORT_C_SRCS := $(wildcard $(SRC_PORT)/amiga/*.c)
PORT_S_SRCS := $(wildcard $(SRC_PORT)/amiga/*.s)
SHARED_S    := $(wildcard $(SRC_68K)/*.s)

LIB_OBJS := \
    $(patsubst $(SRC_CORE)/%.c,$(BUILD)/obj/core/%.o,$(CORE_C_SRCS)) \
    $(patsubst $(SRC_PORT)/amiga/%.c,$(BUILD)/obj/port/%.o,$(PORT_C_SRCS)) \
    $(patsubst $(SRC_PORT)/amiga/%.s,$(BUILD)/obj/port/%.o,$(PORT_S_SRCS)) \
    $(patsubst $(SRC_68K)/%.s,$(BUILD)/obj/68k/%.o,$(SHARED_S))

LIB := $(LIBDIR)/libjoey.a

HELLO_SRC   := $(EXAMPLES)/hello/hello.c
HELLO_BIN   := $(BINDIR)/Hello
PATTERN_SRC := $(EXAMPLES)/pattern/pattern.c
PATTERN_BIN := $(BINDIR)/Pattern
KEYS_SRC    := $(EXAMPLES)/keys/keys.c
KEYS_BIN    := $(BINDIR)/Keys
JOY_SRC     := $(EXAMPLES)/joy/joy.c
JOY_BIN     := $(BINDIR)/Joy
SPRITE_SRC  := $(EXAMPLES)/sprite/sprite.c
SPRITE_BIN  := $(BINDIR)/Sprite

.PHONY: all amiga clean-amiga
all amiga: $(LIB) $(HELLO_BIN) $(PATTERN_BIN) $(KEYS_BIN) $(JOY_BIN) $(SPRITE_BIN)

$(BUILD)/obj/core/%.o: $(SRC_CORE)/%.c
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) -c $< -o $@

$(BUILD)/obj/port/%.o: $(SRC_PORT)/amiga/%.c
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) -c $< -o $@

$(BUILD)/obj/port/%.o: $(SRC_PORT)/amiga/%.s
	@mkdir -p $(dir $@)
	$(AMIGA_AS) $(ASFLAGS) $< -o $@

$(BUILD)/obj/68k/%.o: $(SRC_68K)/%.s
	@mkdir -p $(dir $@)
	$(AMIGA_AS) $(ASFLAGS) $< -o $@

$(LIB): $(LIB_OBJS)
	@mkdir -p $(dir $@)
	$(AMIGA_AR) rcs $@ $^

$(HELLO_BIN): $(HELLO_SRC) $(LIB)
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) $< $(LIB) -o $@ $(LDFLAGS)

$(PATTERN_BIN): $(PATTERN_SRC) $(LIB)
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) $< $(LIB) -o $@ $(LDFLAGS)

$(KEYS_BIN): $(KEYS_SRC) $(LIB)
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) $< $(LIB) -o $@ $(LDFLAGS)

$(JOY_BIN): $(JOY_SRC) $(LIB)
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) $< $(LIB) -o $@ $(LDFLAGS)

$(SPRITE_BIN): $(SPRITE_SRC) $(LIB)
	@mkdir -p $(dir $@)
	$(AMIGA_CC) $(CFLAGS) $< $(LIB) -o $@ $(LDFLAGS)

clean-amiga:
	rm -rf $(BUILD)