mirror of
https://github.com/OpenDriver2/REDRIVER2.git
synced 2024-11-22 10:22:48 +01:00
105 lines
2.6 KiB
Makefile
105 lines
2.6 KiB
Makefile
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BUILD ?= Release
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HAS_LINUX_MIPS_GCC = $(shell which mipsel-linux-gnu-gcc > /dev/null 2> /dev/null && echo true || echo false)
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ifeq ($(HAS_LINUX_MIPS_GCC),true)
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PREFIX ?= mipsel-linux-gnu
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FORMAT ?= elf32-tradlittlemips
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else
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PREFIX ?= mipsel-unknown-elf
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FORMAT ?= elf32-littlemips
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endif
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# weird but it works
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define \n
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endef
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ROOTDIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
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CC = $(PREFIX)-gcc
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CXX = $(PREFIX)-g++
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TYPE ?= cpe
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LDSCRIPT ?= $(ROOTDIR)/$(TYPE).ld
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ifneq ($(strip $(OVERLAYSCRIPT)),)
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LDSCRIPT := $(addprefix $(OVERLAYSCRIPT) , -T$(LDSCRIPT))
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else
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LDSCRIPT := $(addprefix $(ROOTDIR)/default.ld , -T$(LDSCRIPT))
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endif
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USE_FUNCTION_SECTIONS ?= true
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ARCHFLAGS = -march=mips1 -mabi=32 -EL -fno-pic -mno-shared -mno-abicalls -mfp32 -msoft-float
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ARCHFLAGS += -fno-stack-protector -nostdlib -ffreestanding
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ifeq ($(USE_FUNCTION_SECTIONS),true)
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CPPFLAGS += -ffunction-sections
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endif
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CPPFLAGS += -mno-gpopt -fomit-frame-pointer
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CPPFLAGS += -fno-builtin -fno-strict-aliasing -Wno-attributes
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CPPFLAGS += $(ARCHFLAGS)
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CPPFLAGS += -I$(ROOTDIR)
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LDFLAGS += -Wl,-Map=$(BINDIR)$(TARGET).map -nostdlib -T$(LDSCRIPT) -static -Wl,--gc-sections
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LDFLAGS += $(ARCHFLAGS) -Wl,--oformat=$(FORMAT)
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# don't do O1/O2/O3 since it will grow code size
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CPPFLAGS_Release += -Os
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LDFLAGS_Release += -Os
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CPPFLAGS_Debug += -O0
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LDFLAGS += -g
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CPPFLAGS += -g
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CPPFLAGS += $(CPPFLAGS_$(BUILD))
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LDFLAGS += $(LDFLAGS_$(BUILD))
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OBJS += $(addsuffix .o, $(basename $(SRCS)))
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all: dep $(BINDIR)$(TARGET).$(TYPE)
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$(BINDIR)$(TARGET).$(TYPE): $(BINDIR)$(TARGET).elf
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$(PREFIX)-objcopy $(addprefix -R , $(OVERLAYSECTION)) -O binary $< $@
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$(foreach ovl, $(OVERLAYSECTION), $(PREFIX)-objcopy -j $(ovl) -O binary $< $(BINDIR)Overlay$(ovl) $(\n))
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$(BINDIR)$(TARGET).elf: $(OBJS)
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$(CC) -g -o $(BINDIR)$(TARGET).elf $(OBJS) $(LDFLAGS)
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%.o: %.s
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$(CC) $(ARCHFLAGS) -I$(ROOTDIR) -g -c -o $@ $<
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%.dep: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) -M -MT $(addsuffix .o, $(basename $@)) -MF $@ $<
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%.dep: %.cpp
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -M -MT $(addsuffix .o, $(basename $@)) -MF $@ $<
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%.dep: %.cc
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -M -MT $(addsuffix .o, $(basename $@)) -MF $@ $<
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# A bit broken, but that'll do in most cases.
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%.dep: %.s
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echo. 2> $@
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DEPS := $(patsubst %.cpp, %.dep,$(filter %.cpp,$(SRCS)))
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DEPS := $(patsubst %.cc, %.dep,$(filter %.cc,$(SRCS)))
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DEPS += $(patsubst %.c, %.dep,$(filter %.c,$(SRCS)))
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DEPS += $(patsubst %.s, %.dep,$(filter %.s,$(SRCS)))
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dep: $(DEPS)
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clean:
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rm -f $(OBJS) $(BINDIR)Overlay.* $(BINDIR)*.elf $(BINDIR)*.ps-exe $(BINDIR)*.map $(DEPS)
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ifneq ($(MAKECMDGOALS), clean)
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ifneq ($(MAKECMDGOALS), deepclean)
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-include $(DEPS)
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endif
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endif
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.PHONY: clean dep all
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