[sldev] where's SCons getting the compiler string

[Dana Fagerstrom]

This is more for Linux folks. I know most of you have never seen this 
because you only have one compiler installed on your build systems but 
ever since 1.17.0 I've been having trouble getting SCons to use the 
gcc_bin defined in my SConstruct file.  Instead it insists on using the 
default compiler on Solaris, CC instead of g++.

I opened an issue, http://jira.secondlife.com/browse/VWR-1831, in hopes 
that someone closer to SCons will have an idea as to what's happening.

Note that I do not have a CC, CXX, or other compiler related variable 
defined in my bash shell so SCons can't be getting it from there.

My workaround is to use the SConstruct from 1.16.0.

Thanks,
D