100 lines
2.8 KiB
Makefile
100 lines
2.8 KiB
Makefile
#Build architecture/variant string, possible values: x86, armv7le, etc...
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PLATFORM ?= PSX
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#Build profile, possible values: release, debug, profile, coverage
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BUILD_DIR ?= build
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BUILD_PROFILE ?= debug
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CONFIG_NAME ?= $(PLATFORM)-$(BUILD_PROFILE)
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OUTPUT_DIR = $(BUILD_DIR)/$(CONFIG_NAME)
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TARGET = $(OUTPUT_DIR)/$(ARTIFACT)
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#Compiler definitions
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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-none-elf
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FORMAT ?= elf32-littlemips
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endif
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$(info We currently only support normal linker scripts)
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LDSCRIPT ?= $(PCSX_REDUX)/ps-exe.ld
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LDSCRIPT := $(addprefix $(PCSX_REDUX)/default.ld , -T$(LDSCRIPT))
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CC = $(PREFIX)-gcc-10
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CXX = $(PREFIX)-g++-10
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LD = $(CXX)
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#architecture flags
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ARCHFLAGS = -march=mips1 -mabi=32 -EL -fno-pic -mno-shared -mno-abicalls -mfp32
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ARCHFLAGS += -fno-stack-protector -nostdlib -ffreestanding
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#Compiler flags for build profiles
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CCFLAGS_release += -O3
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CCFLAGS_debug += -O0
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CXXFLAGS += -fno-exceptions -fno-rtti
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USE_FUNCTION_SECTIONS ?= true
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ifeq ($(USE_FUNCTION_SECTIONS),true)
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CCFLAGS_all += -ffunction-sections
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endif
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CCFLAGS_all += -mno-gpopt -fomit-frame-pointer
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CCFLAGS_all += -fno-builtin -fno-strict-aliasing -Wno-attributes
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CCFLAGS_all += $(ARCHFLAGS)
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CCFLAGS_all += $(CCFLAGS_$(BUILD_PROFILE))
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#Linker flags
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LDFLAGS_release += -Os
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LDFLAGS_all += -Wl,-Map=$(TARGET).map -nostdlib -T$(LDSCRIPT) -static -Wl,--gc-sections -Wl,--build-id=none
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LDFLAGS_all += $(ARCHFLAGS) -Wl,--oformat=$(FORMAT)
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LDFLAGS_all += $(LDFLAGS_$(BUILD_PROFILE))
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LIBS_all += $(LIBS_$(BUILD_PROFILE))
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DEPS = -Wp,-MMD,$(@:%.o=%.d),-MT,$@
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#Macro to expand files recursively: parameters $1 - directory, $2 - extension, i.e. cpp
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rwildcard = $(wildcard $(addprefix $1/*.,$2)) $(foreach d,$(wildcard $1/*),$(call rwildcard,$d,$2))
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#Object files list
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OBJS = $(addprefix $(OUTPUT_DIR)/,$(addsuffix .o, $(subst ..,!super,$(basename $(SRCS)))))
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#Compiling rule
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$(OUTPUT_DIR)/%.o: %.c
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@mkdir -p $(dir $@)
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$(CC) -c $(DEPS) -o $@ $(CCFLAGS_all) $(CCFLAGS) $<
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$(OUTPUT_DIR)/%.o: %.cpp
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@mkdir -p $(dir $@)
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$(CXX) -c $(DEPS) -o $@ $(CCFLAGS_all) $(CXXFLAGS) $<
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.SECONDEXPANSION:
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$(OUTPUT_DIR)/%.o: $$(subst !super,..,%.s)
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@mkdir -p $(dir $@)
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$(CC) $(ARCHFLAGS) -I$(PCSX_REDUX) -g -c -o $@ $<
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#Linking rule
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$(TARGET).elf: $(OBJS)
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$(LD) -o $(TARGET).elf $(LDFLAGS_all) $(LDFLAGS) $(OBJS) $(LIBS_all) $(LIBS)
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#Strips the psexe
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$(TARGET).psexe: $(TARGET).elf
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$(PREFIX)-objcopy $(addprefix -R , $(OVERLAYSECTION)) -O binary $< $@
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#Rules section for default compilation and linking
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all: $(TARGET).psexe
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clean:
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rm -fr $(OUTPUT_DIR)
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rebuild:
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$(MAKE) clean
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$(MAKE) all
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#Inclusion of dependencies (object files to source and includes)
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-include $(OBJS:%.o=%.d) |