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author | Will Dietz <w@wdtz.org> | 2018-02-10T02·57-0600 |
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committer | Will Dietz <w@wdtz.org> | 2018-02-10T03·02-0600 |
commit | 5a082ad15a0f46dc1cbfd8aa5cb3ad9d94b5f178 (patch) | |
tree | de60f50719c3fd824e8dee3acb0dc7481ca786ec | |
parent | 960e9c560e335c65d378805fdb2594e7079a0c45 (diff) |
configure.ac: check if lzma has MT support, fix deb build/etc.
Diffstat (limited to '')
-rw-r--r-- | configure.ac | 2 | ||||
-rw-r--r-- | src/libutil/compression.cc | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 83b2346d065c..c7498fb5240f 100644 --- a/configure.ac +++ b/configure.ac @@ -175,6 +175,8 @@ AC_SUBST(HAVE_SODIUM, [$have_sodium]) # Look for liblzma, a required dependency. PKG_CHECK_MODULES([LIBLZMA], [liblzma], [CXXFLAGS="$LIBLZMA_CFLAGS $CXXFLAGS"]) +AC_CHECK_LIB([lzma], [lzma_stream_encoder_mt], + [AC_DEFINE([HAVE_LZMA_MT], [1], [xz multithreaded compression support])]) # Look for libbrotli{enc,dec}, optional dependencies diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc index ed15761b32a2..c509472b3846 100644 --- a/src/libutil/compression.cc +++ b/src/libutil/compression.cc @@ -192,6 +192,7 @@ struct XzSink : CompressionSink XzSink(Sink & nextSink, const bool parallel) : nextSink(nextSink) { lzma_ret ret; +#ifdef HAVE_LZMA_MT if (parallel) { lzma_mt mt_options = {}; mt_options.flags = 0; @@ -208,6 +209,7 @@ struct XzSink : CompressionSink ret = lzma_stream_encoder_mt( &strm, &mt_options); } else +#endif ret = lzma_easy_encoder( &strm, 6, LZMA_CHECK_CRC64); |