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+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.
+
+
+Procedure
+---------
+1. Unpack the archive if you have not done so already:
+
+ tar -xf lzd[version].tar.lz
+or
+ lzip -cd lzd[version].tar.lz | tar -xf -
+
+This creates the directory ./lzd[version] containing the source code
+extracted from the archive.
+
+2. Change to lzd directory and run configure.
+ (Try 'configure --help' for usage instructions).
+
+ cd lzd[version]
+ ./configure
+
+3. Run make.
+
+ make
+
+4. Optionally, type 'make check' to run the tests that come with lzd.
+
+5. Type 'make install' to install the program and any data files and
+ documentation.
+
+
+Another way
+-----------
+You can also compile lzd 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) 2013-2022 Antonio Diaz Diaz.
+
+This file is free documentation: you have unlimited permission to copy,
+distribute, and modify it.