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472b299091
Signed-off-by: Garming Sam <garming@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
81 lines
3.5 KiB
Plaintext
81 lines
3.5 KiB
Plaintext
BUILDING SAMBA 4.0
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===================================
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The waf build
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-------------
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Samba 4.0 ships with a new build system, based on waf. A background to
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this build system can be found at https://wiki.samba.org/index.php/Waf
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This is the build system that is used when you run ./configure && make
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in the top level of a Samba 4.0 release tree.
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For the vast majority of our users, this is the build system you should
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use. It supports parallel and incremental builds, and builds the whole
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Samba suite, the file server, the print server, the NT4 domain
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controller, winbind, the AD Domain Controller, the client libraries and
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the python libraries.
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A key feature for many of our distributors and OEMs is that despite the
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range of additional features, the resulting binaries and libraries are
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substantially smaller, because we use shared libraries extensively.
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For distributions that have a requirement to use the system-supplied
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Kerberos library, we support building against a Heimdal or system MIT
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Kerberos library, provided the version is recent enough (otherwise we
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will use our internal version of Heimdal). Please note that builds
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with MIT krb5 support will not have AD DC features.
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Where we provide a tool under a name that was used in Samba 3.x, it
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continues to behave in the same way it always has. This will ensure
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that our change in build system does not impact on our user's ability
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to use Samba as they always have.
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For developers, this build system backs a comprehensive 'make test',
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which provides code coverage of around 48% of our code by line:
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https://build.samba.org/lcov/data/coverage/samba_4_0_test/
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This build system also implements important features such as ABI
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checking (which protects you as users from accidental changes to our
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published libraries), symbol versions and dependency checked incremental
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rebuilds after header-file changes.
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The waf build also assists developers by providing fully-linked binaries
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that run from bin/ without needing to set LD_LIBRARY_PATH.
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For users who do not have python installed on their systems, we provide
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a install_with_python.sh script, which will install a local copy of
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python sufficient to run the build system, without impacting on the rest
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of the system.
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Within this requirement, we expect that this build will run on all our
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supported platforms, and will actively deal with any portability issues
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that users can bring to our attention.
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For all these reasons, we highly recommend this new build system to all
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our users, for whatever purpose you want to put Samba to.
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The autoconf build
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------------------
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The autoconf build was removed in Samba 4.1. If you have tried and
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failed to use our waf build system, you may wish to use the latest
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supported 4.0 release instead, while we address your use case.
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Optional Libraries
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------------------
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To assist users and distributors to build Samba with the full feature
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set, the build system will abort if our dependent libraries and their
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header files are not found on the target system. This will mean for
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example, that xattr, acl and ldap headers must be installed for the
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default build to complete. The configure system will check for these
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headers, and the error message will indicate the option (such as
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--without-acl-support) that can be specified to skip this requirement.
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This will assist users and in particular distributors in building fully
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functional packages, while allowing those on systems truly without these
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facilities to continue to build Samba after careful consideration.
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This feature is not currently supported for xattr.
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