6.4 dose have MAJOR security only backports
but no new versions of anything
6.6 is the current in the older 6 series
yum install svn
but the 6.4 version is OLD
the major version of svn was LOCKED back in 2007 with rhel6.0
sl6 is using that version
and the major version will never change it will be the same in 5 to 6 years with sl6.12
to change the version
you might ??? maybe??? be able to build from source
but you are using rhel6 ( the sl rebuild) for a REASON it is DEAD STABLE and dose NOT crash
So I install serf 1.3.something from an rpm.
what rpm and from where ?
most of the fedora rpm's are incompatible and the SUSE rpm's are VERY!!! incompatible
and you can NOT mix rhel6 and 7 together so the el7 rpm's ARE NOT COMPATIBLE
if you are building 1.8.9 FROM source
then ALL the VERY NEW libs will also need to be built from source
AND MAKE 100 SURE!!!!!! that the os can NOT see and use them instead of the default already installed versions
rename the lib in building ( and point svn1.8.9 to use THAT version)
or use a build folder that is OUT OF THE SYSTEM " $PATH "
and point svn 1.8.9 to USE the files in the "build folder"
all of the above is a royal pain in the "BLEEPED"
so be ready for a bit of work
now some VERY NEW programs will build without to much trouble ...
Others ... well a TON of trouble