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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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## Make some default assumptions
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#
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ifndef ARCH
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	ARCH = ia32
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endif
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## Common compiler flags
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## Common compiler flags
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#
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#
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LIBC_PREFIX = .
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DEFS = -DARCH=$(ARCH)
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DEFS = -DARCH=$(ARCH)
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CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Iinclude
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CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -I$(LIBC_PREFIX)/include
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LFLAGS = -M
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LFLAGS = -M
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AFLAGS =
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AFLAGS =
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## Setup platform configuration
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## Setup toolchain
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#
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#
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include arch/$(ARCH)/Makefile.inc
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include $(LIBC_PREFIX)/Makefile.toolchain
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## Toolchain configuration
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#
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ifeq ($(COMPILER),native)
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	CC = gcc
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	AS = as
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	LD = ld
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	AR = ar
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	OBJCOPY = objcopy
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	OBJDUMP = objdump
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else
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	CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
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	AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
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	LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
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	AR = $(TOOLCHAIN_DIR)/$(TARGET)-ar
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	OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
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	OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
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endif
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## Sources
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## Sources
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#
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#
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GENERIC_SOURCES = \
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GENERIC_SOURCES = \
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GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
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GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
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ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
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ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
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.PHONY: all clean depend
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.PHONY: all clean depend
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all: libc.a
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all: libc.a _link.ld
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-include Makefile.depend
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-include Makefile.depend
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clean:
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clean:
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	-rm -f libc.a Makefile.depend
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	-rm -f libc.a _link.ld Makefile.depend
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	find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \;
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	find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \;
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depend:
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depend:
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	$(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend
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	$(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend
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libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS)
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libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS)
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	$(AR) rc libc.a $(ARCH_OBJECTS) $(GENERIC_OBJECTS)
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	$(AR) rc libc.a $(ARCH_OBJECTS) $(GENERIC_OBJECTS)
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_link.ld: _link.ld.in
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	$(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@
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%.o: %.S
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%.o: %.S
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	$(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@
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	$(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@
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%.o: %.s
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%.o: %.s
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	$(AS) $(AFLAGS) $< -o $@
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	$(AS) $(AFLAGS) $< -o $@