If you have installed the B storage in /usr or in /usr/local, more o less
these are the correct commands:

wget http://download.librdf.org/source/redland-1.0.5.tar.gz
tar xvfz redland-1.0.5.tar.gz
cd redland-1.0.5
patch -p0 < /where/the/b/tarball/is/redland/patch_1.0.5
./autogen.sh
LIBS="-lb" ./configure [options]
make
make install