2019-07-30 01:47:56 +02:00
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all: bzip2.bc bzip2_from_bitcode test
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2019-08-26 23:03:18 +02:00
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CLANG = $(shell which clang)
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ifeq ($(CLANG),)
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CLANG = gclang
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endif
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2019-07-30 01:47:56 +02:00
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./bzip2:
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git clone git://sourceware.org/git/bzip2.git
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# the patch is to remove the hard coded "CC=gcc". Bad Julian. No biscuit.
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patch bzip2/Makefile < patch.txt
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./bzip2/bzip2: bzip2
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CC=gclang make -C bzip2
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./bzip2.bc: bzip2/bzip2
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get-bc -o bzip2.bc bzip2/bzip2
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# to build an bitcode archive we do not use any additional flags; the '-m' flag writes the manifest (i.e. the ingredients)
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libbz2.bca:
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get-bc -m -o libbz2.bca bzip2/libbz2.a
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# to build a module we just use the '-b' flag; the '-m' flag writes the manifest (i.e. the ingredients)
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libbz2.a.bc:
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get-bc -m -b -o libbz2.a.bc bzip2/libbz2.a
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# groked this list from the manifests
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modules: bzip2/bzip2
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cp ./bzip2/.bzip2.c.o.bc bzip2.c.o.bc
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cp ./bzip2/.blocksort.c.o.bc blocksort.c.o.bc
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cp ./bzip2/.huffman.c.o.bc huffman.c.o.bc
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cp ./bzip2/.crctable.c.o.bc crctable.c.o.bc
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cp ./bzip2/.randtable.c.o.bc randtable.c.o.bc
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cp ./bzip2/.compress.c.o.bc compress.c.o.bc
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cp ./bzip2/.decompress.c.o.bc decompress.c.o.bc
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cp ./bzip2/.bzlib.c.o.bc bzlib.c.o.bc
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# the override flag is necessary and is there to prevent any complaints about multiple definitions.
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bzip2_from_bitcode: bzip2.bc modules
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2019-08-26 23:03:18 +02:00
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${CLANG} bzip2.c.o.bc blocksort.c.o.bc huffman.c.o.bc crctable.c.o.bc randtable.c.o.bc compress.c.o.bc decompress.c.o.bc bzlib.c.o.bc -o bzip2_from_bitcode
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2019-07-30 01:47:56 +02:00
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test: bzip2_from_bitcode
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./bzip2_from_bitcode -1 < ./bzip2/sample1.ref > sample1.rb2
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./bzip2_from_bitcode -2 < ./bzip2/sample2.ref > sample2.rb2
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./bzip2_from_bitcode -3 < ./bzip2/sample3.ref > sample3.rb2
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./bzip2_from_bitcode -d < ./bzip2/sample1.bz2 > sample1.tst
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./bzip2_from_bitcode -d < ./bzip2/sample2.bz2 > sample2.tst
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./bzip2_from_bitcode -ds < ./bzip2/sample3.bz2 > sample3.tst
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cmp ./bzip2/sample1.bz2 sample1.rb2
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cmp ./bzip2/sample2.bz2 sample2.rb2
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cmp ./bzip2/sample3.bz2 sample3.rb2
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cmp sample1.tst ./bzip2/sample1.ref
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cmp sample2.tst ./bzip2/sample2.ref
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cmp sample3.tst ./bzip2/sample3.ref
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clean:
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rm -f *.bc *.bca *.manifest bzip2_from_bitcode *.rb2 *.tst bzip2_slashed
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rm -rf slash_specialized
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make -C bzip2 clean
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spotless: clean
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rm -rf bzip2 bzip2_tests
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.PHONY: clean spotless modules
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