diff options
author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2020-09-17 13:09:06 +0200 |
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committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2020-09-17 13:10:25 +0200 |
commit | b52a9567520570bd6c850bcad3a6966f68639ef7 (patch) | |
tree | b63e6515b25020b3abdfdd63731db0d44ac54925 /lib/fstream/uncompress | |
parent | ec38f4fa90d65362002a901b2d74be09fc6b128c (diff) |
Add a check whether libzstd supports stream compression
Streaming compression was added fairly recently to zstd (and then
the API was changed a few times).
Rather than rely on libzstd versioning macros, this commit adds an
m4 script to test at configure time if the enums/functions we need
are available by trying to compile a small sample.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/fstream/uncompress')
-rw-r--r-- | lib/fstream/uncompress/istream_compressor.c | 2 | ||||
-rw-r--r-- | lib/fstream/uncompress/zstd.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/lib/fstream/uncompress/istream_compressor.c b/lib/fstream/uncompress/istream_compressor.c index bc8ef39..75edd1b 100644 --- a/lib/fstream/uncompress/istream_compressor.c +++ b/lib/fstream/uncompress/istream_compressor.c @@ -40,7 +40,7 @@ istream_t *istream_compressor_create(istream_t *strm, int comp_id) #endif break; case FSTREAM_COMPRESSOR_ZSTD: -#ifdef WITH_ZSTD +#if defined(WITH_ZSTD) && defined(HAVE_ZSTD_STREAM) comp = istream_zstd_create(strm->get_filename(strm)); #endif break; diff --git a/lib/fstream/uncompress/zstd.c b/lib/fstream/uncompress/zstd.c index 1838af5..fd22cbf 100644 --- a/lib/fstream/uncompress/zstd.c +++ b/lib/fstream/uncompress/zstd.c @@ -8,6 +8,7 @@ #include <zstd.h> +#ifdef HAVE_ZSTD_STREAM typedef struct { istream_comp_t base; @@ -77,3 +78,4 @@ istream_comp_t *istream_zstd_create(const char *filename) base->cleanup = cleanup; return base; } +#endif /* HAVE_ZSTD_STREAM */ |