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Databases - Practical PostgreSQL
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Required Software Packages

You will most likely have some of the required software packages already installed on your system, if not all of them. These packages are as follows:

GNU make

GNU make is commonly known as gmake on non-GNU based systems, but is normally referred to as just make on GNU-based systems such as Linux. For consistency, we will refer to it as gmake throughout the rest of this book.

We recommend that you use at least gmake version 3.76.1 or higher when compiling PostgreSQL. To verify the existence and correct version number of gmake , type the command shown in Example 2-1.

Example 2-1. Verifying GNU make

$ 
gmake --version

GNU Make version 3.79.1, by Richard Stallman and Roland McGrath.
Built for i386-redhat-linux-gnu
Copyright (C) 1988, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
        Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

Report bugs to <[email protected]>.
ISO/ANSI C Compiler

There are numerous ISO/ANSI C compilers available. The recommended compiler for PostgreSQL is the GNU C Compiler, although PostgreSQL has been known to build with compilers from different vendors. At the time of this writing, the most commonly distributed versions of GCC are 2.95 and 2.96 (RedHat Linux 7.x and Mandrake Linux 8.x). If you do not currently have GCC installed, you can download it by visiting the GNU website at https://gcc.gnu.org .

To check for the existence and version of GCC, enter the command shown in Example 2-2.

Example 2-2. Verifying GCC

$ 
gcc --version

2.95.3
GNU zip and tar

GNU zip is also called gzip . GNU zip is a compression utility that can compress as well as decompress files. All compressed, or zipped , files made with gzip have a .gz extension. You can test for the existence of the gzip program with the gzip --version command.

In addition to gzip , you will require a copy of tar , a utility used to group several files and directories into a single archive, as well as to unpack these archives onto the filesystem. An archived tar output file will typically contain a .tar extension. Files that are both archived by tar and compressed by gzip often have a .tar.gz compound extension, as is the case with the included PostgreSQL source distribution. You can test for tar with the tar --version command.

Example 2-3. Verifying gzip and tar

$ 
gzip --version

gzip 1.3
(1999-12-21)
Copyright 1999 Free Software Foundation
Copyright 1992-1993 Jean-loup Gailly
This program comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of this program
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.
Compilation options:
DIRENT UTIME STDC_HEADERS HAVE_UNISTD_H HAVE_MEMORY_H HAVE_STRING_H
Written by Jean-loup Gailly.

$ 
tar --version

tar (GNU tar) 1.13.17
Copyright 2000 Free Software Foundation, Inc.
This program comes with NO WARRANTY, to the extent permitted by law.
You may redistribute it under the terms of the GNU General Public License;
see the file named COPYING for details.
Written by John Gilmore and Jay Fenlason.

Databases - Practical PostgreSQL
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