Compiling rsyslog with RELP

[zgabe]

Hi,

I am trying to install rsyslog 5.4.0 with relp on CentOS 5.5 (vmware). My installation steps:

yum install gcc.i386

liblogging-0.7.1:
./configure
make
make install

librelp-1.0.0:
./configure
make
make install

yum install pkgconfig.i386
yum install zlib-devel.i386

rsyslog-5.4.0:
CFLAGS=-march=i686 ./configure RELP_LIBS=/usr/local/lib RELP_CFLAGS=-I/usr/local/include LIBLOGGING_LIBS=/usr/local/lib LIBLOGGING_CFLAGS=-I/usr/local/include --enable-relp --enable-rfc3195 --enable-rsyslogd --enable-imfile
make
make install

rsyslog can write logs but RELP does not work. /var/log/messages contains the following:

rsyslogd: [origin software="rsyslogd" swVersion="5.4.0" x-pid="21103"] start
2010-08-13T10:00:16.999795+00:00 mymachine rsyslogd-2066: could not load module '/usr/local/lib/rsyslog/omrelp.so', dlopen: /usr/local/lib/rsyslog/omrelp.so: undefined symbol: relpEngineConstruct
2010-08-13T10:00:16.999873+00:00 mymachine rsyslogd: the last error occured in /etc/rsyslog.conf, line 8:"$ModLoad omrelp.so # loads RELP module for reliable forwarding"
2010-08-13T10:00:17.000006+00:00 mymachine rsyslogd-2124: CONFIG ERROR: could not interpret master config file '/etc/rsyslog.conf'.

/usr/local/lib/rsyslog/omrelp.so exists with permission 755 owned by root.
I read some similar posts but older version of centos, rsyslog, librelp and rebuilding the packages could not help.

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I tried to install RPM packages:
librelp-0.1.1-3.el5.kb.i386.rpm
rsyslog4-4.4.2-5.ius.el5.i386.rpm
rsyslog4-relp-4.4.2-5.ius.el5.i386.rpm

# ldd /usr/lib/rsyslog/omrelp.so
linux-gate.so.1 => (0x00a3a000)
librelp.so.0 => /usr/lib/librelp.so.0 (0x005e5000)
librt.so.1 => /lib/librt.so.1 (0x00e79000)
libc.so.6 => /lib/libc.so.6 (0x00a5a000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00f5f000)
/lib/ld-linux.so.2 (0x001ce000)

When I compiled from tarball:
# ldd /usr/local/lib/rsyslog/omrelp.so
linux-gate.so.1 => (0x003cc000)
libc.so.6 => /lib/libc.so.6 (0x00ea0000)
/lib/ld-linux.so.2 (0x005e7000)

It seems that some dependencies are missing that is why omrelp.so could not find a symbol.
Can anyone help to solve this?

BR
zgabe

[zgabe]

Hi All,

The final solution is to use "./configure --prefix=/usr" when compiling liblogging and librelp sources.
In this case unnecessary to specify RELP_LIBS, RELP_CFLAGS, LIBLOGGING_LIBS and LIBLOGGING_CFLAGS when configure rsyslog.

BR
zgabe