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It forwards to me and Jia Tan. Also update the IRC reference in README as #tukaani was moved to Libera Chat long ago.
122 lines
4.6 KiB
Text
122 lines
4.6 KiB
Text
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XZ Utils for Windows
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====================
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Introduction
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------------
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This package includes command line tools (xz.exe and a few others)
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and the liblzma compression library from XZ Utils. You can find the
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latest version and full source code from <https://tukaani.org/xz/>.
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The parts of the XZ Utils source code, that are relevant to this
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binary package, are in the public domain. XZ Utils have been built
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for this package with MinGW-w64 and linked statically against its
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runtime libraries. See COPYING-Windows.txt for the copyright and
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license information that applies to the MinGW-w64 runtime. You must
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include it when redistributing these XZ Utils binaries.
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Package contents
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----------------
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All executables and libraries in this package require msvcrt.dll.
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It's included in all recent Windows versions. (On Windows 95 it
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might be missing, but once you get it somewhere, the i686 binaries
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should run even on Windows 95 if the processor is new enough.)
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There is a SSE2 optimization in the compression code but this
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version of XZ Utils doesn't include run-time processor detection.
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This is why there is a separate i686-SSE2 version.
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There is one directory for each type of executable and library files:
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bin_i686 32-bit x86 (i686 and newer), Windows 95 and later
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bin_i686-sse2 32-bit x86 (i686 with SSE2), Windows 98 and later
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bin_x86-64 64-bit x86-64, Windows Vista and later
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Each of the above directories have the following files:
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*.exe Command line tools. (It's useless to double-click
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these; use the command prompt instead.) These have
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been linked statically against liblzma, so they
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don't require liblzma.dll. Thus, you can copy e.g.
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xz.exe to a directory that is in PATH without copying
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any other files from this package.
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liblzma.dll Shared version of the liblzma compression library.
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This file is mostly useful to developers, although
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some non-developers might use it to upgrade their
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copy of liblzma.
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liblzma.a Static version of the liblzma compression library.
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This file is useful only for developers.
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The rest of the directories contain architecture-independent files:
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doc Documentation in the plain text (TXT) format. The
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manuals of the command line tools are provided also
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in the PDF format. liblzma.def is in this directory
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too.
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include C header files for liblzma. These should be
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compatible with most C and C++ compilers. If you
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have problems, try to fix it and send your fixes
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upstream, or at least report a bug, thanks.
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Linking against liblzma
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-----------------------
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MinGW
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If you use MinGW, linking against liblzma.dll or liblzma.a should
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be straightforward. You don't need an import library to link
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against liblzma.dll, and for static linking, you don't need to
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worry about the LZMA_API_STATIC macro.
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Note that the MinGW distribution includes liblzma. If you are
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building packages that will be part of the MinGW distribution, you
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probably should use the version of liblzma shipped in MinGW instead
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of this package.
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Microsoft Visual C++
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To link against liblzma.dll, you need to create an import library
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first. You need the "lib" command from MSVC and liblzma.def from
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the "doc" directory of this package. Here is the command that works
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on 32-bit x86:
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lib /def:liblzma.def /out:liblzma.lib /machine:ix86
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On x86-64, the /machine argument has to naturally be changed:
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lib /def:liblzma.def /out:liblzma.lib /machine:x64
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If you need to link statically against liblzma, you should build
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liblzma with MSVC 2013 update 2 or later. Alternatively, if having
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a decompressor is enough, consider using XZ Embedded or LZMA SDK.
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When you plan to link against static liblzma, you need to tell
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lzma.h to not use __declspec(dllimport) by defining the macro
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LZMA_API_STATIC. You can do it either in the C/C++ code
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#define LZMA_API_STATIC
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#include <lzma.h>
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or by adding it to compiler options.
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Other compilers
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If you are using some other compiler, see its documentation how to
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create an import library (if it is needed). If it is simple, I
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might consider including the instructions here.
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Reporting bugs
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--------------
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Report bugs to <xz@tukaani.org>.
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