makefrag

在x86平台上运行不可信任代码的sandbox。

BZ2_CFLAGS := -DBZ_NO_STDIO

# VX32 decoder
BZ2_OBJS := \
	$(addprefix vxa/bz2/, \
		blocksort.vo \
		huffman.vo \
		crctable.vo \
		randtable.vo \
		compress.vo \
		decompress.vo \
		bzlib.vo \
	)

BZ2_TARGETS := vxa/bz2/dbz2 vxa/bz2/hdbz2 vxa/bz2/ebz2

OBJDIRS += vxa/bz2
CLEAN_FILES += $(BZ2_OBJS) $(BZ2_TARGETS)


all: $(BZ2_TARGETS)


# VXA-based bzip2 encoder and decoder
vxa/bz2/%bz2: vxa/bz2/%bz2.vo vxa/bz2/libbz2.a $(CLIB_DEPS)
	$(VX32_LD) -o $@ $(VX32_LDFLAGS) -Lbz2 $< -Lvxa/bz2 -lbz2 $(VX32_LDLIBS)

vxa/bz2/libbz2.a: $(BZ2_OBJS)
	$(VX32_AR) r $@ $(BZ2_OBJS)

vxa/bz2/%.vo: vxa/bz2/%.c
	$(VX32_CC) -c -o $@ $(VX32_CFLAGS) $(BZ2_CFLAGS) $<


# Host version of bz2 decoder, for comparison and debugging
BZ2_HDOBJS := vxa/bz2/dbz2.ho $(patsubst %.vo,%.ho,$(BZ2_OBJS))
CLEAN_FILES += $(BZ2_HDOBJS) vxa/bz2/hdbz2

vxa/bz2/hdbz2: $(BZ2_HDOBJS)
	$(HOST_CC) -o $@ $(HOST_LDFLAGS) $(BZ2_HDOBJS)

vxa/bz2/%.ho: vxa/bz2/%.c
	$(HOST_CC) -c -o vxa/bz2/$*.ho $(HOST_CFLAGS) $(BZ2_CFLAGS) $<