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15.4. Installation Procedure

  1. Configuration

    The first step of the installation procedure is to configure the source tree for your system and choose the options you would like. This is done by running the configure script. For a default installation simply enter:

    ./configure
    

    This script will run a number of tests to determine values for various system dependent variables and detect any quirks of your operating system, and finally will create several files in the build tree to record what it found. You can also run configure in a directory outside the source tree, if you want to keep the build directory separate. This procedure is also called a VPATH build. Here's how:

    mkdir build_dir
    cd build_dir
    /path/to/source/tree/configure [options go here]
    gmake
    

    The default configuration will build the server and utilities, as well as all client applications and interfaces that require only a C compiler. All files will be installed under /usr/local/pgsql by default.

    You can customize the build and installation process by supplying one or more of the following command line options to configure:

    --prefix=PREFIX

    Install all files under the directory PREFIX instead of /usr/local/pgsql. The actual files will be installed into various subdirectories; no files will ever be installed directly into the PREFIX directory.

    If you have special needs, you can also customize the individual subdirectories with the following options. However, if you leave these with their defaults, the installation will be relocatable, meaning you can move the directory after installation. (The man and doc locations are not affected by this.)

    For relocatable installs, you might want to use configure's --disable-rpath option. Also, you will need to tell the operating system how to find the shared libraries.

    --exec-prefix=EXEC-PREFIX

    You can install architecture-dependent files under a different prefix, EXEC-PREFIX, than what PREFIX was set to. This can be useful to share architecture-independent files between hosts. If you omit this, then EXEC-PREFIX is set equal to PREFIX and both architecture-dependent and independent files will be installed under the same tree, which is probably what you want.

    --bindir=DIRECTORY

    Specifies the directory for executable programs. The default is EXEC-PREFIX/bin, which normally means /usr/local/pgsql/bin.

    --sysconfdir=DIRECTORY

    Sets the directory for various configuration files, PREFIX/etc by default.

    --libdir=DIRECTORY

    Sets the location to install libraries and dynamically loadable modules. The default is EXEC-PREFIX/lib.

    --includedir=DIRECTORY

    Sets the directory for installing C and C++ header files. The default is PREFIX/include.

    --datarootdir=DIRECTORY

    Sets the root directory for various types of read-only data files. This only sets the default for some of the following options. The default is PREFIX/share.

    --datadir=DIRECTORY

    Sets the directory for read-only data files used by the installed programs. The default is DATAROOTDIR. Note that this has nothing to do with where your database files will be placed.

    --localedir=DIRECTORY

    Sets the directory for installing locale data, in particular message translation catalog files. The default is DATAROOTDIR/locale.

    --mandir=DIRECTORY

    The man pages that come with PostgreSQL will be installed under this directory, in their respective manx subdirectories. The default is DATAROOTDIR/man.

    --docdir=DIRECTORY

    Sets the root directory for installing documentation files, except "man" pages. This only sets the default for the following options. The default value for this option is DATAROOTDIR/doc/postgresql.

    --htmldir=DIRECTORY

    The HTML-formatted documentation for PostgreSQL will be installed under this directory. The default is DATAROOTDIR.

    Note: Care has been taken to make it possible to install PostgreSQL into shared installation locations (such as /usr/local/include) without interfering with the namespace of the rest of the system. First, the string "/postgresql" is automatically appended to datadir, sysconfdir, and docdir, unless the fully expanded directory name already contains the string "postgres" or "pgsql". For example, if you choose /usr/local as prefix, the documentation will be installed in /usr/local/doc/postgresql, but if the prefix is /opt/postgres, then it will be in /opt/postgres/doc. The public C header files of the client interfaces are installed into includedir and are namespace-clean. The internal header files and the server header files are installed into private directories under includedir. See the documentation of each interface for information about how to access its header files. Finally, a private subdirectory will also be created, if appropriate, under libdir for dynamically loadable modules.

    --with-includes=DIRECTORIES

    DIRECTORIES is a colon-separated list of directories that will be added to the list the compiler searches for header files. If you have optional packages (such as GNU Readline) installed in a non-standard location, you have to use this option and probably also the corresponding --with-libraries option.

    Example: --with-includes=/opt/gnu/include:/usr/sup/include.

    --with-libraries=DIRECTORIES

    DIRECTORIES is a colon-separated list of directories to search for libraries. You will probably have to use this option (and the corresponding --with-includes option) if you have packages installed in non-standard locations.

    Example: --with-libraries=/opt/gnu/lib:/usr/sup/lib.

    --enable-nls[=LANGUAGES]

    Enables Native Language Support (NLS), that is, the ability to display a program's messages in a language other than English. LANGUAGES is an optional space-separated list of codes of the languages that you want supported, for example --enable-nls='de fr'. (The intersection between your list and the set of actually provided translations will be computed automatically.) If you do not specify a list, then all available translations are installed.

    To use this option, you will need an implementation of the Gettext API; see above.

    --with-pgport=NUMBER

    Set NUMBER as the default port number for server and clients. The default is 5432. The port can always be changed later on, but if you specify it here then both server and clients will have the same default compiled in, which can be very convenient. Usually the only good reason to select a non-default value is if you intend to run multiple PostgreSQL servers on the same machine.

    --with-perl

    Build the PL/Perl server-side language.

    --with-python

    Build the PL/Python server-side language.

    --with-tcl

    Build the PL/Tcl server-side language.

    --with-tclconfig=DIRECTORY

    Tcl installs the file tclConfig.sh, which contains configuration information needed to build modules interfacing to Tcl. This file is normally found automatically at a well-known location, but if you want to use a different version of Tcl you can specify the directory in which to look for it.

    --with-gssapi

    Build with support for GSSAPI authentication. On many systems, the GSSAPI (usually a part of the Kerberos installation) system is not installed in a location that is searched by default (e.g., /usr/include, /usr/lib), so you must use the options --with-includes and --with-libraries in addition to this option. configure will check for the required header files and libraries to make sure that your GSSAPI installation is sufficient before proceeding.

    --with-krb5

    Build with support for Kerberos 5 authentication. On many systems, the Kerberos system is not installed in a location that is searched by default (e.g., /usr/include, /usr/lib), so you must use the options --with-includes and --with-libraries in addition to this option. configure will check for the required header files and libraries to make sure that your Kerberos installation is sufficient before proceeding.

    --with-krb-srvnam=NAME

    The default name of the Kerberos service principal (also used by GSSAPI). postgres is the default. There's usually no reason to change this unless you have a Windows environment, in which case it must be set to upper case POSTGRES.

    --with-openssl

    Build with support for SSL (encrypted) connections. This requires the OpenSSL package to be installed. configure will check for the required header files and libraries to make sure that your OpenSSL installation is sufficient before proceeding.

    --with-pam

    Build with PAM (Pluggable Authentication Modules) support.

    --with-ldap

    Build with LDAP support for authentication and connection parameter lookup (see Section 31.16 and Section 19.3.8 for more information). On Unix, this requires the OpenLDAP package to be installed. On Windows, the default WinLDAP library is used. configure will check for the required header files and libraries to make sure that your OpenLDAP installation is sufficient before proceeding.

    --without-readline

    Prevents use of the Readline library (and libedit as well). This option disables command-line editing and history in psql, so it is not recommended.

    --with-libedit-preferred

    Favors the use of the BSD-licensed libedit library rather than GPL-licensed Readline. This option is significant only if you have both libraries installed; the default in that case is to use Readline.

    --with-bonjour

    Build with Bonjour support. This requires Bonjour support in your operating system. Recommended on Mac OS X.

    --with-ossp-uuid

    Build components using the OSSP UUID library. Specifically, build the uuid-ossp module, which provides functions to generate UUIDs.

    --with-libxml

    Build with libxml (enables SQL/XML support). Libxml version 2.6.23 or later is required for this feature.

    Libxml installs a program xml2-config that can be used to detect the required compiler and linker options. PostgreSQL will use it automatically if found. To specify a libxml installation at an unusual location, you can either set the environment variable XML2_CONFIG to point to the xml2-config program belonging to the installation, or use the options --with-includes and --with-libraries.

    --with-libxslt

    Use libxslt when building the xml2 module. xml2 relies on this library to perform XSL transformations of XML.

    --disable-integer-datetimes

    Disable support for 64-bit integer storage for timestamps and intervals, and store datetime values as floating-point numbers instead. Floating-point datetime storage was the default in PostgreSQL releases prior to 8.4, but it is now deprecated, because it does not support microsecond precision for the full range of timestamp values. However, integer-based datetime storage requires a 64-bit integer type. Therefore, this option can be used when no such type is available, or for compatibility with applications written for prior versions of PostgreSQL. See Section 8.5 for more information.

    --disable-float4-byval

    Disable passing float4 values "by value", causing them to be passed "by reference" instead. This option costs performance, but may be needed for compatibility with old user-defined functions that are written in C and use the "version 0" calling convention. A better long-term solution is to update any such functions to use the "version 1" calling convention.

    --disable-float8-byval

    Disable passing float8 values "by value", causing them to be passed "by reference" instead. This option costs performance, but may be needed for compatibility with old user-defined functions that are written in C and use the "version 0" calling convention. A better long-term solution is to update any such functions to use the "version 1" calling convention. Note that this option affects not only float8, but also int8 and some related types such as timestamp. On 32-bit platforms, --disable-float8-byval is the default and it is not allowed to select --enable-float8-byval.

    --with-segsize=SEGSIZE

    Set the segment size, in gigabytes. Large tables are divided into multiple operating-system files, each of size equal to the segment size. This avoids problems with file size limits that exist on many platforms. The default segment size, 1 gigabyte, is safe on all supported platforms. If your operating system has "largefile" support (which most do, nowadays), you can use a larger segment size. This can be helpful to reduce the number of file descriptors consumed when working with very large tables. But be careful not to select a value larger than is supported by your platform and the file systems you intend to use. Other tools you might wish to use, such as tar, could also set limits on the usable file size. It is recommended, though not absolutely required, that this value be a power of 2. Note that changing this value requires an initdb.

    --with-blocksize=BLOCKSIZE

    Set the block size, in kilobytes. This is the unit of storage and I/O within tables. The default, 8 kilobytes, is suitable for most situations; but other values may be useful in special cases. The value must be a power of 2 between 1 and 32 (kilobytes). Note that changing this value requires an initdb.

    --with-wal-segsize=SEGSIZE

    Set the WAL segment size, in megabytes. This is the size of each individual file in the WAL log. It may be useful to adjust this size to control the granularity of WAL log shipping. The default size is 16 megabytes. The value must be a power of 2 between 1 and 64 (megabytes). Note that changing this value requires an initdb.

    --with-wal-blocksize=BLOCKSIZE

    Set the WAL block size, in kilobytes. This is the unit of storage and I/O within the WAL log. The default, 8 kilobytes, is suitable for most situations; but other values may be useful in special cases. The value must be a power of 2 between 1 and 64 (kilobytes). Note that changing this value requires an initdb.

    --disable-spinlocks

    Allow the build to succeed even if PostgreSQL has no CPU spinlock support for the platform. The lack of spinlock support will result in poor performance; therefore, this option should only be used if the build aborts and informs you that the platform lacks spinlock support. If this option is required to build PostgreSQL on your platform, please report the problem to the PostgreSQL developers.

    --disable-thread-safety

    Disable the thread-safety of client libraries. This prevents concurrent threads in libpq and ECPG programs from safely controlling their private connection handles.

    --with-system-tzdata=DIRECTORY

    PostgreSQL includes its own time zone database, which it requires for date and time operations. This time zone database is in fact compatible with the "zoneinfo" time zone database provided by many operating systems such as FreeBSD, Linux, and Solaris, so it would be redundant to install it again. When this option is used, the system-supplied time zone database in DIRECTORY is used instead of the one included in the PostgreSQL source distribution. DIRECTORY must be specified as an absolute path. /usr/share/zoneinfo is a likely directory on some operating systems. Note that the installation routine will not detect mismatching or erroneous time zone data. If you use this option, you are advised to run the regression tests to verify that the time zone data you have pointed to works correctly with PostgreSQL.

    This option is mainly aimed at binary package distributors who know their target operating system well. The main advantage of using this option is that the PostgreSQL package won't need to be upgraded whenever any of the many local daylight-saving time rules change. Another advantage is that PostgreSQL can be cross-compiled more straightforwardly if the time zone database files do not need to be built during the installation.

    --without-zlib

    Prevents use of the Zlib library. This disables support for compressed archives in pg_dump and pg_restore. This option is only intended for those rare systems where this library is not available.

    --enable-debug

    Compiles all programs and libraries with debugging symbols. This means that you can run the programs in a debugger to analyze problems. This enlarges the size of the installed executables considerably, and on non-GCC compilers it usually also disables compiler optimization, causing slowdowns. However, having the symbols available is extremely helpful for dealing with any problems that might arise. Currently, this option is recommended for production installations only if you use GCC. But you should always have it on if you are doing development work or running a beta version.

    --enable-coverage

    If using GCC, all programs and libraries are compiled with code coverage testing instrumentation. When run, they generate files in the build directory with code coverage metrics. See Section 30.4 for more information. This option is for use only with GCC and when doing development work.

    --enable-profiling

    If using GCC, all programs and libraries are compiled so they can be profiled. On backend exit, a subdirectory will be created that contains the gmon.out file for use in profiling. This option is for use only with GCC and when doing development work.

    --enable-cassert

    Enables assertion checks in the server, which test for many "cannot happen" conditions. This is invaluable for code development purposes, but the tests can slow down the server significantly. Also, having the tests turned on won't necessarily enhance the stability of your server! The assertion checks are not categorized for severity, and so what might be a relatively harmless bug will still lead to server restarts if it triggers an assertion failure. This option is not recommended for production use, but you should have it on for development work or when running a beta version.

    --enable-depend

    Enables automatic dependency tracking. With this option, the makefiles are set up so that all affected object files will be rebuilt when any header file is changed. This is useful if you are doing development work, but is just wasted overhead if you intend only to compile once and install. At present, this option only works with GCC.

    --enable-dtrace

    Compiles PostgreSQL with support for the dynamic tracing tool DTrace. See Section 27.4 for more information.

    To point to the dtrace program, the environment variable DTRACE can be set. This will often be necessary because dtrace is typically installed under /usr/sbin, which might not be in the path.

    Extra command-line options for the dtrace program can be specified in the environment variable DTRACEFLAGS. On Solaris, to include DTrace support in a 64-bit binary, you must specify DTRACEFLAGS="-64" to configure. For example, using the GCC compiler:

    ./configure CC='gcc -m64' --enable-dtrace DTRACEFLAGS='-64' ...
    

    Using Sun's compiler:

    ./configure CC='/opt/SUNWspro/bin/cc -xtarget=native64' --enable-dtrace DTRACEFLAGS='-64' ...
    

    If you prefer a C compiler different from the one configure picks, you can set the environment variable CC to the program of your choice. By default, configure will pick gcc if available, else the platform's default (usually cc). Similarly, you can override the default compiler flags if needed with the CFLAGS variable.

    You can specify environment variables on the configure command line, for example:

    ./configure CC=/opt/bin/gcc CFLAGS='-O2 -pipe'
    

    Here is a list of the significant variables that can be set in this manner:

    BISON

    Bison program

    CC

    C compiler

    CFLAGS

    options to pass to the C compiler

    CPP

    C preprocessor

    CPPFLAGS

    options to pass to the C preprocessor

    DTRACE

    location of the dtrace program

    DTRACEFLAGS

    options to pass to the dtrace program

    FLEX

    Flex program

    LDFLAGS

    options to use when linking either executables or shared libraries

    LDFLAGS_EX

    additional options for linking executables only

    LDFLAGS_SL

    additional options for linking shared libraries only

    MSGFMT

    msgfmt program for native language support

    PERL

    Full path to the Perl interpreter. This will be used to determine the dependencies for building PL/Perl.

    PYTHON

    Full path to the Python interpreter. This will be used to determine the dependencies for building PL/Python. Also, whether Python 2 or 3 is specified here (or otherwise implicitly chosen) determines which variant of the PL/Python language becomes available. See Section 42.1 for more information.

    TCLSH

    Full path to the Tcl interpreter. This will be used to determine the dependencies for building PL/Tcl, and it will be substituted into Tcl scripts.

    XML2_CONFIG

    xml2-config program used to locate the libxml installation.

  2. Build

    To start the build, type:

    gmake
    

    (Remember to use GNU make.) The build will take a few minutes depending on your hardware. The last line displayed should be:

    All of PostgreSQL is successfully made. Ready to install.
    

    If you want to build everything that can be built, including the documentation (HTML and man pages), and the additional modules (contrib), type instead:

    gmake world
    

    The last line displayed should be:

    PostgreSQL, contrib and HTML documentation successfully made. Ready to install.
    
  3. Regression Tests

    If you want to test the newly built server before you install it, you can run the regression tests at this point. The regression tests are a test suite to verify that PostgreSQL runs on your machine in the way the developers expected it to. Type:

    gmake check
    

    (This won't work as root; do it as an unprivileged user.) Chapter 30 contains detailed information about interpreting the test results. You can repeat this test at any later time by issuing the same command.

  4. Installing the Files

    Note: If you are upgrading an existing system be sure to read Section 17.6 which has instructions about upgrading a cluster.

    To install PostgreSQL enter:

    gmake install
    

    This will install files into the directories that were specified in step 1. Make sure that you have appropriate permissions to write into that area. Normally you need to do this step as root. Alternatively, you can create the target directories in advance and arrange for appropriate permissions to be granted.

    To install the documentation (HTML and man pages), enter:

    gmake install-docs
    

    If you built the world above, type instead:

    gmake install-world
    

    This also installs the documentation.

    You can use gmake install-strip instead of gmake install to strip the executable files and libraries as they are installed. This will save some space. If you built with debugging support, stripping will effectively remove the debugging support, so it should only be done if debugging is no longer needed. install-strip tries to do a reasonable job saving space, but it does not have perfect knowledge of how to strip every unneeded byte from an executable file, so if you want to save all the disk space you possibly can, you will have to do manual work.

    The standard installation provides all the header files needed for client application development as well as for server-side program development, such as custom functions or data types written in C. (Prior to PostgreSQL 8.0, a separate gmake install-all-headers command was needed for the latter, but this step has been folded into the standard install.)

    Client-only installation: If you want to install only the client applications and interface libraries, then you can use these commands:

    gmake -C src/bin install
    gmake -C src/include install
    gmake -C src/interfaces install
    gmake -C doc install
    

    src/bin has a few binaries for server-only use, but they are small.

Registering eventlog on Windows: To register a Windows eventlog library with the operating system, issue this command after installation:

regsvr32 pgsql_library_directory/pgevent.dll

This creates registry entries used by the event viewer.

Uninstallation: To undo the installation use the command gmake uninstall. However, this will not remove any created directories.

Cleaning: After the installation you can free disk space by removing the built files from the source tree with the command gmake clean. This will preserve the files made by the configure program, so that you can rebuild everything with gmake later on. To reset the source tree to the state in which it was distributed, use gmake distclean. If you are going to build for several platforms within the same source tree you must do this and re-configure for each platform. (Alternatively, use a separate build tree for each platform, so that the source tree remains unmodified.)

If you perform a build and then discover that your configure options were wrong, or if you change anything that configure investigates (for example, software upgrades), then it's a good idea to do gmake distclean before reconfiguring and rebuilding. Without this, your changes in configuration choices might not propagate everywhere they need to.

Comments


Nov. 20, 2011, 9:09 a.m.

Building --with-ldap on Solaris 11 adds one wrinkle; somehow it tries to pull in libldap in addition to libldap_r. The workaround is hacking LDAP_LIBS_BE in the configured src/Makefile.global to pull in libldap_r not libldap. (Credit to Tom Lane for proposing this fix, which has worked for me on Solaris 11 and Solaris Express 11.)

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