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bzip2 joins the ranks of the examples.

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This commit is contained in:
Ian A. Mason 2019-07-29 16:47:56 -07:00
parent 8fc18595bc
commit 3e5f463646
2 changed files with 67 additions and 0 deletions
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63
examples/bzip2/Makefile Normal file
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all: bzip2.bc bzip2_from_bitcode test
./bzip2:
git clone git://sourceware.org/git/bzip2.git
# the patch is to remove the hard coded "CC=gcc". Bad Julian. No biscuit.
patch bzip2/Makefile < patch.txt
./bzip2/bzip2: bzip2
CC=gclang make -C bzip2
./bzip2.bc: bzip2/bzip2
get-bc -o bzip2.bc bzip2/bzip2
# to build an bitcode archive we do not use any additional flags; the '-m' flag writes the manifest (i.e. the ingredients)
libbz2.bca:
get-bc -m -o libbz2.bca bzip2/libbz2.a
# to build a module we just use the '-b' flag; the '-m' flag writes the manifest (i.e. the ingredients)
libbz2.a.bc:
get-bc -m -b -o libbz2.a.bc bzip2/libbz2.a
# groked this list from the manifests
modules: bzip2/bzip2
cp ./bzip2/.bzip2.c.o.bc bzip2.c.o.bc
cp ./bzip2/.blocksort.c.o.bc blocksort.c.o.bc
cp ./bzip2/.huffman.c.o.bc huffman.c.o.bc
cp ./bzip2/.crctable.c.o.bc crctable.c.o.bc
cp ./bzip2/.randtable.c.o.bc randtable.c.o.bc
cp ./bzip2/.compress.c.o.bc compress.c.o.bc
cp ./bzip2/.decompress.c.o.bc decompress.c.o.bc
cp ./bzip2/.bzlib.c.o.bc bzlib.c.o.bc
# the override flag is necessary and is there to prevent any complaints about multiple definitions.
bzip2_from_bitcode: bzip2.bc modules
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
test: bzip2_from_bitcode
./bzip2_from_bitcode -1 < ./bzip2/sample1.ref > sample1.rb2
./bzip2_from_bitcode -2 < ./bzip2/sample2.ref > sample2.rb2
./bzip2_from_bitcode -3 < ./bzip2/sample3.ref > sample3.rb2
./bzip2_from_bitcode -d < ./bzip2/sample1.bz2 > sample1.tst
./bzip2_from_bitcode -d < ./bzip2/sample2.bz2 > sample2.tst
./bzip2_from_bitcode -ds < ./bzip2/sample3.bz2 > sample3.tst
cmp ./bzip2/sample1.bz2 sample1.rb2
cmp ./bzip2/sample2.bz2 sample2.rb2
cmp ./bzip2/sample3.bz2 sample3.rb2
cmp sample1.tst ./bzip2/sample1.ref
cmp sample2.tst ./bzip2/sample2.ref
cmp sample3.tst ./bzip2/sample3.ref
clean:
rm -f *.bc *.bca *.manifest bzip2_from_bitcode *.rb2 *.tst bzip2_slashed
rm -rf slash_specialized
make -C bzip2 clean
spotless: clean
rm -rf bzip2 bzip2_tests
.PHONY: clean spotless modules

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examples/bzip2/patch.txt Normal file
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18c18
< CC=gcc
---
> CC?=gcc