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Prepare for 4.999.7beta release.
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4
AUTHORS
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AUTHORS
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Authors of LZMA Utils
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Authors of XZ Utils
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---------------------
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===================
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Igor Pavlov
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Igor Pavlov
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* designed LZMA as an algorithm;
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* designed LZMA as an algorithm;
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34
README
34
README
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LZMA Utils
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XZ Utils
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----------
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--------
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Warning
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Warning
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This is an early alpha version. Don't trust the files produced by
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This is a beta version. Don't trust the files produced by
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this version of the software - not even if the software can
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this version of the software - not even if the software can
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uncompress the files properly! This is because the file format
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uncompress the files properly! This is because the file format
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isn't completely frozen yet.
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isn't officially frozen yet although changes are very unlikely.
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So please test a lot, but don't use for anything serious yet.
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So please test a lot, but don't use for anything serious yet.
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Igor Pavlov as part of 7-Zip. It provides high compression ratio
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Igor Pavlov as part of 7-Zip. It provides high compression ratio
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while keeping the decompression speed fast.
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while keeping the decompression speed fast.
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LZMA Utils are an attempt to make LZMA compression easy to use
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XZ Utils are an attempt to make LZMA compression easy to use
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on free (as in freedom) operating systems. This is achieved by
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on free (as in freedom) operating systems. This is achieved by
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providing tools and libraries which are similar to use than the
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providing tools and libraries which are similar to use than the
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equivalents of the most popular existing compression algorithms.
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equivalents of the most popular existing compression algorithms.
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LZMA Utils consist of a few relatively separate parts:
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XZ Utils consist of a few relatively separate parts:
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* liblzma is an encoder/decoder library with support for several
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* liblzma is an encoder/decoder library with support for several
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filters (algorithm implementations). The primary filter is LZMA.
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filters (algorithm implementations). The primary filter is LZMA.
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* libzfile enables reading from and writing to gzip, bzip2 and
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* libzfile (or whatever the name will be) enables reading from and
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LZMA compressed and uncompressed files with an API similar to
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writing to gzip, bzip2 and LZMA compressed and uncompressed files
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the standard ANSI-C file I/O.
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with an API similar to the standard ANSI-C file I/O.
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[ NOTE: libzfile is not implemented yet. ]
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[ NOTE: libzfile is not implemented yet. ]
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* lzma command line tool has almost identical syntax than gzip
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* xz command line tool has almost identical syntax than gzip
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and bzip2. It makes LZMA easy for average users, but also
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and bzip2. It makes LZMA easy for average users, but also
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provides advanced options to finetune the compression settings.
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provides advanced options to finetune the compression settings.
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* A few shell scripts make diffing and grepping LZMA compressed
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* A few shell scripts make diffing and grepping LZMA compressed
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Supported platforms
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Supported platforms
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LZMA Utils are developed on GNU+Linux, but they should work at
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XZ Utils are developed on GNU+Linux, but they should work at
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least on *BSDs and Solaris. They probably work on some other
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least on *BSDs and Solaris. They probably work on some other
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POSIX-like operating systems too.
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POSIX-like operating systems too.
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If you use GCC to compile LZMA Utils, you need at least version
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If you use GCC to compile XZ Utils, you need at least version
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3.x.x. GCC version 2.xx.x doesn't support some C99 features used
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3.x.x. GCC version 2.xx.x doesn't support some C99 features used
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in LZMA Utils source code, thus GCC 2 won't compile LZMA Utils.
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in XZ Utils source code, thus GCC 2 won't compile XZ Utils.
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If you have written patches to make LZMA Utils to work on previously
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If you have written patches to make XZ Utils to work on previously
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unsupported platform, please send the patches to me! I will consider
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unsupported platform, please send the patches to me! I will consider
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including them to the official version. It's nice to minimize the
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including them to the official version. It's nice to minimize the
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need of third-party patching.
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need of third-party patching.
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Version numbering
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Version numbering
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Starting from LZMA Utils 5, the version number of LZMA Utils has
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The version number of XZ Utils has absolutely nothing to do with
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absolutely nothing to do with the version number of LZMA SDK or
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the version number of LZMA SDK or 7-Zip. The new version number
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7-Zip. The new version number format of LZMA Utils is X.Y.ZS:
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format of XZ Utils is X.Y.ZS:
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- X is the major version. When this is incremented, the library
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- X is the major version. When this is incremented, the library
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API and ABI break.
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API and ABI break.
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AC_PREREQ([2.61])
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AC_PREREQ([2.61])
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AC_INIT([xz], [4.999.6alpha], [lasse.collin@tukaani.org])
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AC_INIT([XZ Utils], [4.999.7beta], [lasse.collin@tukaani.org], [xz])
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AC_CONFIG_SRCDIR([src/liblzma/common/common.h])
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AC_CONFIG_SRCDIR([src/liblzma/common/common.h])
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AC_CONFIG_HEADER([config.h])
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AC_CONFIG_HEADER([config.h])
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Available encoders:]
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Available encoders:]
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m4_translit(m4_defn([SUPPORTED_FILTERS]), [,], [ ])),
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m4_translit(m4_defn([SUPPORTED_FILTERS]), [,], [ ])),
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[], [enable_encoders=SUPPORTED_FILTERS])
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[], [enable_encoders=SUPPORTED_FILTERS])
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enable_encoders=`echo "$enable_encoders" | sed 's/,/ /g'`
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enable_encoders=`echo "$enable_encoders" | sed 's/,subblock//; s/,/ /g'`
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if test "x$enable_encoders" = xno || test "x$enable_encoders" = x; then
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if test "x$enable_encoders" = xno || test "x$enable_encoders" = x; then
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AC_MSG_RESULT([(none)])
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AC_MSG_RESULT([(none)])
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else
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else
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* \note The version number of liblzma has nothing to with
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* \note The version number of liblzma has nothing to with
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* the version number of Igor Pavlov's LZMA SDK.
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* the version number of Igor Pavlov's LZMA SDK.
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*/
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*/
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#define LZMA_VERSION UINT32_C(49990060)
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#define LZMA_VERSION UINT32_C(49990071)
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/**
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/**
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