Extract compression functions into a new library.

.gitignore

Makefile.am

src/common/include.am

src/include.am

src/lib/compress/compress.c

src/lib/compress/compress.h

src/lib/compress/compress_lzma.c

src/lib/compress/compress_lzma.h

src/lib/compress/compress_none.c

src/lib/compress/compress_none.h

src/lib/compress/compress_zlib.c

src/lib/compress/compress_zlib.h

src/lib/compress/compress_zstd.c

src/lib/compress/compress_zstd.h

src/lib/compress/include.am