hi I run this to start the icecaste install and near the end I get this error c belowurned 1 exit status

rpmbuild -bb /usr/src/redhat/SPECS/icecast.spec

/usr/lib/libxml2.so –ldl –lz –lm

/usr/lib/libxslt.so: undefined reference to `xmlX

pathcontextSetCache’

collect2: ld ret