Just FYI for anybody else building on OSX:

libtool is a new dependency, so if you update to git HEAD and have trouble building:

brew install libtool

(or port install libtool -- see doc/build-osx.md for all the dependencies)

./autogen.sh

./configure .... etc, whatever configure options you use. I develop with:

./configure --disable-hardening --disable-silent-rules CXXFLAGS='-g3 -O0 -DDEBUG_LOCKORDER'

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Gavin Andresen