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@@ -0,0 +1,92 @@ +Requirements +------------ +You will need a C++98 compiler with suport for 'long long', and the +compression library lzlib installed. (gcc 3.3.6 or newer is recommended). +I use gcc 6.1.0 and 3.3.6, but the code should compile with any standards +compliant compiler. + +Lzlib must be version 1.0 or newer, but the fast encoder requires lzlib 1.7 +or newer, the Hamming distance (HD) = 3 detection of corrupt headers in +non-seekable multimember files requires lzlib 1.10 or newer, and the 'no +copy' optimization for testing requires lzlib 1.12 or newer. + +Gcc is available at http://gcc.gnu.org. +Lzlib is available at http://www.nongnu.org/lzip/lzlib.html. + +The operating system must allow signal handlers read access to objects with +static storage duration so that the cleanup handler for Control-C can delete +the partial output file. + + +Procedure +--------- +1. Unpack the archive if you have not done so already: + + tar -xf plzip[version].tar.lz +or + lzip -cd plzip[version].tar.lz | tar -xf - + +This creates the directory ./plzip[version] containing the source from +the main archive. + +2. Change to plzip directory and run configure. + (Try 'configure --help' for usage instructions). + + cd plzip[version] + ./configure + + To link against a lzlib not installed in a standard place, use: + + ./configure CPPFLAGS='-I <includedir>' LDFLAGS='-L <libdir>' + + (Replace <includedir> with the directory containing the file lzlib.h, + and <libdir> with the directory containing the file liblz.a). + + If you are compiling on MinGW, use --with-mingw (note that the Windows + I/O functions used with MinGW are not guaranteed to be thread safe): + + ./configure --with-mingw CXXFLAGS+='-D __USE_MINGW_ANSI_STDIO' + +3. Run make. + + make + +4. Optionally, type 'make check' to run the tests that come with plzip. + +5. Type 'make install' to install the program and any data files and + documentation. + + Or type 'make install-compress', which additionally compresses the + info manual and the man page after installation. + (Installing compressed docs may become the default in the future). + + You can install only the program, the info manual, or the man page by + typing 'make install-bin', 'make install-info', or 'make install-man' + respectively. + + Instead of 'make install', you can type 'make install-as-lzip' to + install the program and any data files and documentation, and link + the program to the name 'lzip'. + + +Another way +----------- +You can also compile plzip into a separate directory. +To do this, you must use a version of 'make' that supports the variable +'VPATH', such as GNU 'make'. 'cd' to the directory where you want the +object files and executables to go and run the 'configure' script. +'configure' automatically checks for the source code in '.', in '..', and +in the directory that 'configure' is in. + +'configure' recognizes the option '--srcdir=DIR' to control where to +look for the sources. Usually 'configure' can determine that directory +automatically. + +After running 'configure', you can run 'make' and 'make install' as +explained above. + + +Copyright (C) 2009-2022 Antonio Diaz Diaz. + +This file is free documentation: you have unlimited permission to copy, +distribute, and modify it. |