[BioC] RBGL 1.8.1 installation error on linux

[Jeff Gentry]

> based on your suggestions i tested now some new settings, i used the gcc
> 3.2.3 compiler (g++32 ) to compile the package (unfortunately there is no
> 4.0 version available for FC5) and get, on my system with R 2.3 and
> RBGL_1.8.1 the same error as before. but interestingly the installation of
> RBGL_1.6.0.tar.gz with the g++32 worked (but not with the g++ from gcc 4.1).
> well, i guess i will have to try on...

FWIW I have the same problem on my system (RHEL3, AMD64), and just looked
and indeed it is gcc 3.2.3.