35 lines
775 B
Makefile
35 lines
775 B
Makefile
# Build environment
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PREFIX ?= /usr/local/cross
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ARCH ?= i586-elf
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GNU ?= $(PREFIX)/$(ARCH)/bin/$(ARCH)
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# Source files
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SOURCES_ASM := arch/$(ARCH)/boot.s
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SOURCES_C := arch/$(ARCH)/multiboot.c driver/video/vga.c kernel/brados.c kernel/printk.c lib/string.c
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# Object files
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OBJS := $(patsubst %.s,%.o,$(SOURCES_ASM))
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OBJS += $(patsubst %.c,%.o,$(SOURCES_C))
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# Build flags
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CFLAGS = -std=gnu99 -ffreestanding -Iinclude/ -O2 -Wall -Wextra
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LDFLAGS = -ffreestanding -O2 -nostdlib
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# Build rules
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all: brados.bin
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.PHONY: all clean
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brados.bin: $(OBJS) arch/$(ARCH)/linker.ld
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$(GNU)-gcc -T arch/$(ARCH)/linker.ld -o $@ $(LDFLAGS) $(OBJS) -lgcc
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clean:
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rm -f $(OBJS) brados.bin
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# C
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%.o: %.c Makefile
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$(GNU)-gcc -c $< -o $@ $(CFLAGS)
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# Assembly
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%.o: %.s Makefile
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$(GNU)-as $< -o $@
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