Building rsyslog from the source repository

In most cases, people install rsyslog either via a package or use an "official" distribution tarball to generate it. But there may be situations where it is desirable to build directly from the source repository. This is useful for people who would like to participate in development or who would like to use the latest, not-yet-released code. The later may especially be the case if you are asked to try out an experimental version.

Building from the repsitory is not much different than building from the source tarball, but some files are missing because they are output files and thus do not belong into the repository.

Obtaining the Source

First of all, you need to download the sources. Rsyslog is currently kept in a git repository. You can clone this repository either via http or git protocol (with the later being much faster. URLS are:

git://git.adiscon.com/git/rsyslog.git
http://git.adiscon.com/git/rsyslog.git

There is also a browsable version (gitweb) available at http://git.adiscon.com/?p=rsyslog.git;a=summary. This version also offers snapshots of each commit for easy download. You can use these if you do not have git present on your system.

After you have cloned the repository, you are in the master branch by default. This is where we keep the devel branch. If you need any other branch, you need to do a "git checkout --track -b branch origin/branch". For example, the command to check out the beta branch is "git checkout --track -b beta origin/beta".

Prequisites

To build the compilation system, you need the pkg-config package (an utility for autotools) present on your system. Otherwise, configure will fail with something like


checking for SYSLOG_UNIXAF support... yes
checking for FSSTND support... yes
./configure: line 25895: syntax error near unexpected token `RELP,'
./configure: line 25895: ` PKG_CHECK_MODULES(RELP, relp >= 0.1.1)'

Creating the Build Environment

This is fairly easy: just issue "autoreconf -fvi", which should do everything you need. Once this is done, you can follow the usual ./configure steps just like when you downloaded an official distribution tarball (see the rsyslog install guide, starting at step 2, for further details about that).

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