Hey it was working perfectly on 0.8.5 but 0.9.0 is giving me problems:

$ brew install steem
==> Installing steem from tigernd/core
==> Installing dependencies for tigernd/core/steem: cmake
==> Installing tigernd/core/steem dependency: cmake
==> Downloading https://homebrew.bintray.com/bottles/cmake-3.6.0_1.el_capitan.bottle.tar.gz
######################################################################## 100.0%
==> Pouring cmake-3.6.0_1.el_capitan.bottle.tar.gz
==> Caveats
Emacs Lisp files have been installed to:
  /usr/local/share/emacs/site-lisp/cmake
==> Summary
🍺  /usr/local/Cellar/cmake/3.6.0_1: 2,028 files, 27.8M
==> Installing tigernd/core/steem
==> Cloning https://github.com/steemit/steem.git
Updating /Users/aljohnson/Library/Caches/Homebrew/steem--git
==> Checking out tag v0.9.0rc2
Synchronizing submodule url for 'vendor/diff-match-patch-cpp-stl'
Synchronizing submodule url for 'vendor/secp256k1-zkp'
Synchronizing submodule url for 'vendor/websocketpp'
==> cmake -DENABLE_CONTENT_PATCHING=OFF -DLOW_MEMORY_NODE=ON CMakeLists.txt -DCMAKE_C_FLAGS_RELEASE=-DNDEBUG -DCMAKE_CXX_FLAGS_RELEASE=-DNDEBUG -DCMAKE_INSTALL_PREFIX=/usr/local/Cellar/steem/0.9.0 -DCMAKE_BUILD_TYPE=Release -DCMAKE_FIND_F
==> make
Last 15 lines from /Users/aljohnson/Library/Logs/Homebrew/steem/02.make:
: putting auxiliary files in '.'.
: copying file './ltmain.sh'
/usr/local/opt/libtool/bin/glibtoolize: line 3771: /usr/local/Library/ENV/4.3/sed: No such file or directory
configure.ac:10: installing 'build-aux/compile'
configure.ac:5: installing 'build-aux/config.guess'
configure.ac:5: installing 'build-aux/config.sub'
configure.ac:9: installing 'build-aux/install-sh'
configure.ac:10: error: required file 'build-aux/ltmain.sh' not found
configure.ac:9: installing 'build-aux/missing'
Makefile.am: installing 'build-aux/depcomp'
parallel-tests: installing 'build-aux/test-driver'
autoreconf: automake failed with exit status: 1
make[2]: *** [libraries/fc/vendor/secp256k1-zkp/src/project_secp256k1-stamp/project_secp256k1-autogen] Error 1
make[1]: *** [libraries/fc/CMakeFiles/project_secp256k1.dir/all] Error 2
make: *** [all] Error 2