Re: [boost] [1.48.0] Beta 1 release candidates available

Subject: Re: [boost] [1.48.0] Beta 1 release candidates available
From: John Maddock (boost.regex_at_[hidden])
Date: 2011-10-27 13:48:40

> On Ubuntu 11.10 amd64 with g++ (and gcc) 4.6.1, I built  ICU 4.8.1 with 
> almost all default options except for specifying a non-default 
> installation dir.  Then I created the LD_LIBRARY_PATH environment variable 
> and set it to the lib dir of that new ICU installation *but did not* also 
> create an ICU_PATH environment variable.  Then I ran the boost 
> bootstrap.sh script with a '--with-icu=/home/martin/app/icu/installation' 
> parameter.  The output of the b2 contained (among other things) the 
> following bits about ICU:
>     - has_icu builds           : yes
> ...
>    - icu                      : no
>    - icu (lib64)              : no
>
>
> Which led me to expect that the boost regex libs would end up referencing 
> the Ubuntu default ICU libs (which was not what I wanted to do).  But they 
> didn't, instead they *did* correctly reference the newly built ICU 
> libraries (or at least that's how I'm interpreting the output of ldd 
> against libboost_regex.so ).  Which is nice, but doesn't that also mean 
> that the docs in Boost regex about the ICU_PATH environment variable might 
> need some revision?  Or did I just luck out somehow?

I think you lucked out - or more likely the default system libraries were 
used - the regex configure script only searches the compiler's default paths 
unless you also set ICU_PATH.  Setting LD_LIBRARY_PATH will have no effect 
BTW.

HTH, John.