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https://github.com/Mathewnd/Astral.git
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Matheus
38 lines
1.3 KiB
Makefile
38 lines
1.3 KiB
Makefile
CSOURCES= $(shell find -name *.c)
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ASMSOURCES= $(shell find -name *.asm)
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OBJS=$(CSOURCES:.c=.o) $(ASMSOURCES:.asm=.asmo)
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TARGET=x86-64
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INCDIR=$(shell pwd)/include
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ARCHINCDIR=$(shell pwd)/include/$(TARGET)/
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ARCHDIR=$(shell pwd)/arch/$(TARGET)/
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LDFLAGS=-ffreestanding -nostdlib -lgcc -Wl,-T,"$(ARCHDIR)/kernel.ld" -g
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# required for mpaland printf so it doesn't compile with floating point support, which results in build failures
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PRINTFOPTS=-DPRINTF_DISABLE_SUPPORT_FLOAT
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# flanterm includes break if the headers are moved into the include dir in the tree
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FLANTERMINCDIR=$(shell pwd)/flanterm
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KERNELCONFIG=#-DX86_64_ENABLE_E9 -DSYSCALL_LOGGING
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CFLAGS=-g -ffreestanding -mcmodel=kernel -O2 -mno-red-zone -mgeneral-regs-only -mno-mmx -mno-sse -mno-sse2 -nostdlib -Wall -I "${INCDIR}" -I "$(ARCHINCDIR)" -I "$(FLANTERMINCDIR)" $(PRINTFOPTS) $(KERNELCONFIG)
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ASFLAGS=-felf64
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.PHONY: all
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all:
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# build build.h file
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echo "#ifndef _BUILD_H" > include/build.h
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echo "#define _BUILD_H" >> include/build.h
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echo " #define BUILD_DATE \"$(shell date -u)\"" >> include/build.h
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echo " #define BUILD_TARGET \"$(TARGET)\"" >> include/build.h
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echo "#endif" >> include/build.h
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make astral
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astral: $(OBJS)
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@echo [LD] $@
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@$(LD) $(LDFLAGS) -o $@ $^
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%.o: %.c
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@echo [CC] $@
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@$(CC) $(CFLAGS) -c -o $@ $<
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%.asmo: %.asm
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@echo [AS] $@
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@nasm $(ASFLAGS) -o $@ $<
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