不确定该做什么，因为easy_install进程稍微不透明（只是日志）。
很高兴出错，但似乎没有完成。
错误日志如下：
jasons-mbp:~ myname$ easy_install matplotlib
Searching for matplotlib
Reading https://pypi.python.org/simple/matplotlib/
Reading http://matplotlib.org
Reading http://matplotlib.sourceforge.net
Reading http://sourceforge.net/project/showfiles.php?group_id=80706
Reading http://sourceforge.net/project/showfiles.php?group_id=80706&package_id=82474
Reading http://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.1.0/
Reading http://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.1.1/
Reading https://sourceforge.net/project/showfiles.php?group_id=80706&package_id=278194
Reading https://sourceforge.net/project/showfiles.php?group_id=80706&package_id=82474
Reading https://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-0.99.1/
Reading https://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-0.99.3/
Reading https://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.0
Reading https://sourceforge.net/projects/matplotlib/files/matplotlib/matplotlib-1.0.1/
Best match: matplotlib 1.4.3
Downloading https://pypi.python.org/packages/source/m/matplotlib/matplotlib-1.4.3.tar.gz#md5=86af2e3e3c61849ac7576a6f5ca44267
Processing matplotlib-1.4.3.tar.gz
Writing /var/folders/8x/0msd5dd13l9453ff9739rj7w0000gn/T/easy_install-u4L4VQ/matplotlib-1.4.3/setup.cfg
Running matplotlib-1.4.3/setup.py -q bdist_egg --dist-dir /var/folders/8x/0msd5dd13l9453ff9739rj7w0000gn/T/easy_install-u4L4VQ/matplotlib-1.4.3/egg-dist-tmp-3diPAe
IMPORTANT WARNING:
pkg-config is not installed.
matplotlib may not be able to find some of its dependencies
============================================================================
Edit setup.cfg to change the build options
BUILDING MATPLOTLIB
matplotlib: yes [1.4.3]
python: yes [2.7.6 (v2.7.6:3a1db0d2747e, Nov 10 2013,
00:42:54) [GCC 4.2.1 (Apple Inc. build 5666) (dot
3)]]
platform: yes [darwin]
REQUIRED DEPENDENCIES AND EXTENSIONS
numpy: yes [version 1.8.1]
six: yes [using six version 1.7.2]
dateutil: yes [using dateutil version 2.2]
pytz: yes [using pytz version 2014.4]
tornado: yes [tornado was not found. It is required for the
WebAgg backend. pip/easy_install may attempt to
install it after matplotlib.]
pyparsing: yes [pyparsing was not found. It is required for
mathtext support. pip/easy_install may attempt to
install it after matplotlib.]
pycxx: yes [Couldn't import. Using local copy.]
libagg: yes [pkg-config information for 'libagg' could not
be found. Using local copy.]
freetype: no [The C/C++ header for freetype2 (ft2build.h)
could not be found. You may need to install the
development package.]
png: no [pkg-config information for 'libpng' could not
be found.]
qhull: yes [pkg-config information for 'qhull' could not be
found. Using local copy.]
OPTIONAL SUBPACKAGES
sample_data: yes [installing]
toolkits: yes [installing]
tests: yes [nose 0.11.1 or later is required to run the
matplotlib test suite. pip/easy_install may attempt
to install it after matplotlib. / mock is required
to run the matplotlib test suite. pip/easy_install
may attempt to install it after matplotlib.]
toolkits_tests: yes [nose 0.11.1 or later is required to run the
matplotlib test suite. pip/easy_install may attempt
to install it after matplotlib. / mock is required
to run the matplotlib test suite. pip/easy_install
may attempt to install it after matplotlib.]
OPTIONAL BACKEND EXTENSIONS
macosx: yes [installing, darwin]
qt5agg: no [PyQt5 not found]
qt4agg: no [PyQt4 not found]
pyside: no [PySide not found]
gtk3agg: no [Requires pygobject to be installed.]
gtk3cairo: no [Requires cairocffi or pycairo to be installed.]
gtkagg: no [Requires pygtk]
tkagg: yes [installing, version 81008]
wxagg: no [requires wxPython]
gtk: no [Requires pygtk]
agg: yes [installing]
cairo: no [cairocffi or pycairo not found]
windowing: no [Microsoft Windows only]
OPTIONAL LATEX DEPENDENCIES
dvipng: no
ghostscript: no
latex: no
pdftops: no
============================================================================
* The following required packages can not be built:
* freetype, png
error: Setup script exited with 1
jasons-mbp:~ myname$
答案 0 :(得分：0)
我在centOS上遇到了同样的问题，我解决了这个问题：
yum install freetype freetype-devel
yum install libpng libpng-devel
希望这会有所帮助：）