When building my application with kdevelop 3.5 on Ubuntu 10.04, I get the following errors:
libtool: Version mismatch error. This is libtool 2.2.6 Debian-2.2
maybe you have installed two libtools of different version. Try to apt-get remove all (until you get nothing, when you type which libtool in the command line), then apt-get install the one you like.
apt-get remove all
which libtool
apt-get install