69 lines
2.6 KiB
Plaintext
69 lines
2.6 KiB
Plaintext
Purpose of this document
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========================
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This document describes how to build Postfix with third-party
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Berkeley DB from www.sleepycat.com, or how to choose a specific
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Berkeley DB version when your system provides multiple implementations.
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Building Postfix with Sleepycat Berkeley DB
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===========================================
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Many commercial UNIXes ship without Berkeley DB support. Examples
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are Solaris, HP-UX, IRIX, UNIXWARE. In order to build Postfix with
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Berkeley DB support you need to download and install the source
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code from www.sleepycat.com.
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To build Postfix after you installed the Berkeley DB from Sleepycat,
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use something like:
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% make tidy
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% make makefiles CCARGS="-DHAS_DB -I/usr/local/BerkeleyDB.3.1/include" \
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AUXLIBS="-L/usr/local/BerkeleyDB.3.1/lib -ldb"
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% make
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The exact pathnames depend on the DB version that you installed.
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For example, Berkeley DB version 2 installs in /usr/local/BerkeleyDB.
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Beware, the file format produced by Berkeley DB version 1 is not
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compatible with that of versions 2 and 3 (versions 2 and 3 have
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the same format). If you switch between DB versions, then you may
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have to rebuild all your Postfix DB files.
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Building Postfix on BSD systems with a specific Berkeley DB version
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===================================================================
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Some BSD systems ship with multiple Berkeley DB implementations.
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Normally, Postfix builds with the default DB version that ships
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with the system.
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To build Postfix on BSD systems with a specific DB version, use a
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variant of the following commands:
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% make tidy
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% make makefiles CCARGS=-I/usr/include/db2 AUXLIBS=-ldb2
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% make
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Beware, the file format produced by Berkeley DB version 1 is not
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compatible with that of versions 2 and 3 (versions 2 and 3 have
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the same format). If you switch between DB versions, then you may
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have to rebuild all your Postfix DB files.
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Building Postfix on Linux with a specific Berkeley DB version
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=============================================================
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Some Linux systems systems ship with multiple Berkeley DB
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implementations. Normally, Postfix builds with the default DB
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version that ships with the system.
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On Linux, you need to edit the makedefs script in order to specify
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a non-default DB library.
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The reason is that the location of the default db.h include file
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changes randomly between vendors and between versions, so that
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Postfix has to choose the file for you.
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Beware, the file format produced by Berkeley DB version 1 is not
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compatible with that of versions 2 and 3 (versions 2 and 3 have
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the same format). If you switch between DB versions, then you may
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have to rebuild all your Postfix DB files.
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