39 lines
1.0 KiB
Makefile
39 lines
1.0 KiB
Makefile
ARCHES = x86_64 i386 aarch64
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ARCH ?= x86_64
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CC = zig cc -target $(ARCH)-freestanding
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LD = ld -m elf_$(ARCH)
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LDSCRIPT = make/$(ARCH)/linker.ld
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-include make/$(ARCH)/make.config
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CFLAGS ?= -O2
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CFLAGS := $(CFLAGS) $(ARCH_CFLAGS) \
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-Wall -Wextra -pedantic -Wno-language-extension-token -std=gnu11 -I../ext -fPIE
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LDFLAGS := $(LDFLAGS) -T $(LDSCRIPT)
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TARGET := kernel
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CFILES := $(shell find src -path src/arch -prune -o -type f -name '*.c' -print)
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ARCHFILES := $(ARCHFILES) $(shell find src/arch/$(ARCH) -type f -name '*.c' -print)
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HFILES := $(shell find src -type f -name '*.h')
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OBJ := $(patsubst src/%.c,obj/$(ARCH)/%.o,$(CFILES) $(ARCHFILES))
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.PHONY: all clean obj dirs
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all: bin/$(TARGET)-$(ARCH)
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bin/$(TARGET)-$(ARCH): $(OBJ) dirs
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$(LD) $(LDFLAGS) $(OBJ) -o $@
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obj/$(ARCH)/%.o: src/%.c $(HFILES) dirs
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$(CC) $(CFLAGS) -c $< -o $@
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dirs:
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mkdir -p bin $(patsubst src/%,obj/$(ARCH)/%, $(shell find src/* -type d -print))
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clean:
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rm -rf bin obj zig-cache
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