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@@ -0,0 +1,82 @@ +Requirements +------------ +You will need a C++98 compiler with support for 'long long'. +(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. +Gcc is available at http://gcc.gnu.org. + +POSIX compliant versions of diff and grep are required for zdiff and zgrep. + +(Option -L of zgrep fails (prints wrong results, returns wrong status, and +even hangs) when using GNU grep versions 3.2 to 3.4 inclusive because of a +wrong change in the exit status of grep, which was reverted in GNU grep 3.5). + +Compressors for bzip2, gzip and lzip formats are required to run the tests. + +If you are installing zutils along with GNU gzip and want to keep the +gzip scripts, the recommended method is to configure gzip as follows: + + ./configure --program-transform-name='s/^z/gz/' + +This renames, at installation time, the gzip scripts and man pages to +'gzcat', 'gzcat.1', etc, avoiding the name clashing with the programs +and man pages from zutils. + + +Procedure +--------- +1. Unpack the archive if you have not done so already: + + tar -xf zutils[version].tar.lz +or + lzip -cd zutils[version].tar.lz | tar -xf - + +This creates the directory ./zutils[version] containing the source code +extracted from the archive. + +2. Change to zutils directory and run configure. + (Try 'configure --help' for usage instructions). + + cd zutils[version] + ./configure + +3. Run make. + + make + +4. Optionally, type 'make check' to run the tests that come with zutils. + +5. Type 'make install' to install the programs and any data files and + documentation. + + Or type 'make install-compress', which additionally compresses the + info manual and the man pages after installation. + (Installing compressed docs may become the default in the future). + + You can install only the programs, the info manual, or the man pages by + typing 'make install-bin', 'make install-info', or 'make install-man' + respectively. + + +Another way +----------- +You can also compile zutils 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 source code. Usually 'configure' can determine that directory +automatically. + +After running 'configure', you can run 'make' and 'make install' as +explained above. + + +Copyright (C) 2009-2023 Antonio Diaz Diaz. + +This file is free documentation: you have unlimited permission to copy, +distribute, and modify it. |