building_rsyslog_from_source.md

Building rsyslog from source

Build rsyslog from source with maximum debug options enabled in order to aid in testing

Install required packages

Ubuntu 16.04

1. sudo apt-get update
2. sudo apt-get -y install autoconf automake bison build-essential flex git-core libdbi-dev libgcrypt11-dev libgcrypt20-dev libcurl4-gnutls-dev libglib2.0-dev libgnutls-dev libgrok-dev libgrok1 libhiredis-dev libmongo-client-dev libmysqlclient-dev libnet1-dev libpcre3-dev libpq-dev librdkafka-dev libsystemd-dev libtokyocabinet-dev libtool pkg-config postgresql-client python-docutils uuid-dev valgrind zlib1g-dev

CentOS 7

1. sudo yum install -y autoconf automake bison flex git-core gnutls-devel libcurl-devel libgcrypt-devel libtool libuuid-devel pcre-devel pkgconfig python-docutils systemd-devel valgrind zlib-devel

Note: This list is incomplete and will need to be fleshed out further.

Build dependencies

Prune old downloads

Note: An alternate approach here is to checkout to clone the repos to a semi-permament location and then run cd /path/to/repo; git clean -f -x to clear out old build content

1. cd /tmp
2. rm -rf libfastjson libestr liblogging liblognorm librelp rsyslog

libfastjson

1. cd /tmp
2. git clone https://github.com/rsyslog/libfastjson
3. cd libfastjson/
4. sh autogen.sh CFLAGS="-g"
5. ./configure CFLAGS="-g"
6. make
7. sudo make install

libestr

1. cd /tmp
2. git clone https://github.com/rsyslog/libestr
3. cd libestr/
4. autoreconf -vfi
5. ./configure CFLAGS="-g" --enable-debug
6. make
7. sudo make install

liglogging

1. cd /tmp
2. git clone https://github.com/rsyslog/liblogging
3. cd liblogging
4. autoreconf -vfi
5. ./configure CFLAGS="-g" --disable-man-pages
6. make
7. sudo make install

liblognorm

1. cd /tmp
2. git clone https://github.com/rsyslog/liblognorm
3. cd liblognorm
4. autoreconf -vfi
5. ./configure CFLAGS="-g" --disable-testbench --enable-valgrind --enable-tools --enable-debug --enable-regexp
6. make
7. sudo make install

librelp

1. cd /tmp
2. git clone https://github.com/rsyslog/librelp
3. cd librelp
4. autoreconf -vfi
5. ./configure CFLAGS="-g" --enable-debug
6. make
7. sudo make install

Build rsyslog

1. cd /tmp
2. git clone https://github.com/rsyslog/rsyslog
3. cd rsyslog
4. sh autogen.sh CFLAGS="-g"
5. ./configure CFLAGS="-g" --disable-generate-man-pages --enable-liblogging-stdlog --enable-imfile --enable-imptcp --enable-impstats --enable-pmnormalize --enable-omuxsock --enable-mmjsonparse --enable-mail --enable-mmrm1stspace --enable-relp --enable-usertools --enable-imjournal --enable-valgrind
6. make

Install rsyslog

1. sudo make install
2. sudo ldconfig
3. systemctl --no-reload preset rsyslog
4. systemctl daemon-reload
5. systemctl restart rsyslog
6. systemctl status rsyslog

References

• rsyslog/rsyslog#1920
• http://www.rsyslog.com/doc/build_from_repo.html
• rsyslog/rsyslog#1839 (comment) (reference to CFLAGS build option)
• https://git.centos.org/blob/rpms!rsyslog.git/c7/SPECS!rsyslog.spec
• https://github.com/systemd/systemd/blob/master/src/core/macros.systemd.in
• https://askubuntu.com/questions/27677/cannot-find-install-sh-install-sh-or-shtool-in-ac-aux (help with building librelp)
• https://git-scm.com/docs/git-clean
• https://github.com/rsyslog/liblognorm/blob/master/doc/installation.rst
• https://github.com/rsyslog/libfastjson/blob/master/README.md
• https://github.com/rsyslog/rsyslog-docker/blob/master/dev_env/ubuntu/devel/setup-system.sh
• https://github.com/rsyslog/rsyslog-docker/blob/master/dev_env/centos7dev/Dockerfile
• https://github.com/rsyslog/rsyslog/blob/master/ChangeLog