[Bro] Bro IDS on CentOS 6.x

[craig bowser]

I'm trying to install Bro on CentOS 6.9.

When I'm trying to configure I get an error complaining that gcc needs to
be version 4.8 or above.

CentOS 6.9 comes with 4.7.7 and the main repo does not have 4.8.

And you are not supposed to upgrade the 6.x working environment to 4.8.

So I followed this forum post (of many similar) to create an environment
where 4.8 is installed:

https://gist.github.com/stephenturner/e3bc5cfacc2dc67eca8b

# sudo yum install centos-release-scl
# sudo yum install devtoolset-3-toolchain
# scl enable devtoolset-3 bash

# gcc --version
gcc (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6)
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

But when I run ./configure, it quits with this error:

CMake Error at cmake/RequireCXX11.cmake:40 (message):
  GCC version must be at least 4.8 for C++11 support, detected: 4.4.7
Call Stack (most recent call first):
  CMakeLists.txt:168 (include)


-- Configuring incomplete, errors occurred!
See also "/opt/bro-2.5.1/build/CMakeFiles/CMakeOutput.log".
See also "/opt/bro-2.5.1/build/CMakeFiles/CMakeError.log".

which seems like it running in the original environment not in the scl
devtoolset-3 environment.


Besides upgrading to CentOS 7.x (because enterprise standards), any
suggestions?


Craig L Bowser
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