We recently (r193639) upgraded the JHBuild version.
Now it requires /usr/bin/libtool to correctly build. This file is shipped on the package libtool-bin on Debian systems
Created attachment 267296 [details]
Comment on attachment 267296 [details]
Clearing flags on attachment: 267296
Committed r194034: <http://trac.webkit.org/changeset/194034>
All reviewed patches have been landed. Closing bug.