gistfile1.txt

wilma:~ tim$ brew deps --tree tbb
tbb

wilma:~ tim$ brew remove tbb
Uninstalling /usr/local/Cellar/tbb/4.2...
wilma:~ tim$ brew install tbb
==> Downloading https://www.threadingbuildingblocks.org/sites/default/files/software_releases/source/tbb42_20130725oss_src.tgz
Already downloaded: /Library/Caches/Homebrew/tbb-4.2.tgz
==> Patching
patching file build/version_info_macos.sh
==> make tbb_build_prefix=BUILDPREFIX compiler=clang arch=intel64
🍺  /usr/local/Cellar/tbb/4.2: 99 files, 1.6M, built in 7 seconds
wilma:~ tim$ brew install matplotlib
==> Using Homebrew-provided fortran compiler.
This may be changed by setting the FC environment variable.
==> Downloading https://downloads.sourceforge.net/project/matplotlib/matplotlib/matplotlib-1.3.1/matplotlib-1.3.1.tar.gz
Already downloaded: /Library/Caches/Homebrew/matplotlib-1.3.1.tar.gz
==> /usr/local/opt/python/bin/python2 setup.py install --prefix=/usr/local/Cellar/matplotlib/1.3.1 --record=installed.txt --single-version-externally-managed
Error: matplotlib dependency tbb was built with the following
C++ standard library: libc++ (from clang)

This is incompatible with the standard library being used
to build matplotlib: libstdc++ (from clang)

Please reinstall tbb using a compatible compiler.
hint: Check https://github.com/mxcl/homebrew/wiki/C++-Standard-Libraries