pip安装 matplotlib 时问题记录

pip install matplotlib

root@RaspberryPi:/Pedro/Code# pip install -U matplotlib -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
Collecting matplotlib
Downloading http://pypi.doubanio.com/packages/6c/90/cf10bb2020d2811da811a49601f6eafcda022c6ccd296fd05aba093dee96/matplotlib-2.1.0.tar.gz (35.7MB)
100% |████████████████████████████████| 35.7MB 2.3MB/s
Complete output from command python setup.py egg_info:
Edit setup.cfg to change the build options

BUILDING MATPLOTLIB
matplotlib: yes [2.1.0]
python: yes [2.7.12 (default, Nov 20 2017, 18:23:56)  [GCC
5.4.0 20160609]]
platform: yes [linux2]

REQUIRED DEPENDENCIES AND EXTENSIONS
numpy: yes [version 1.11.0]
six: yes [using six version 1.10.0]
dateutil: yes [using dateutil version 2.4.2]
backports.functools_lru_cache: yes [backports.functools_lru_cache was not
found. It is required forPython versions prior to
3.2]
subprocess32: yes [subprocess32 was not found. It used  for Python
versions prior to 3.2 to improves functionality on
Linux and OSX]
pytz: yes [using pytz version 2014.10]
cycler: yes [using cycler version 0.9.0]
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 [using pyparsing version 2.0.3]
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 'libqhull' could not
be found. Using local copy.]

OPTIONAL SUBPACKAGES
sample_data: yes [installing]
toolkits: yes [installing]
tests: no  [skipping due to configuration]
toolkits_tests: no  [skipping due to configuration]

OPTIONAL BACKEND EXTENSIONS
macosx: no  [Mac OS-X only]
qt5agg: no  [PySide2 not found; PyQt5 not found]
qt4agg: no  [PySide not found; PyQt4 not found]
gtk3agg: yes [installing, version 3.9.18]
gtk3cairo: yes [installing, version 3.9.18]
gtkagg: no  [The C/C++ header for gtk (gtk/gtk.h) could not
be found.  You may need to install the development
package.]
tkagg: yes [installing; run-time loading from Python Tcl /
Tk]
wxagg: yes [installing, version 3.0.2.0]
gtk: no  [The C/C++ header for gtk (gtk/gtk.h) could not
be found.  You may need to install the development
package.]
agg: yes [installing]
cairo: yes [installing, pycairo version 1.8.8]
windowing: no  [Microsoft Windows only]

OPTIONAL LATEX DEPENDENCIES
dvipng: no
ghostscript: yes [version 9.18]
latex: no
pdftops: yes [version 0.41.0]

OPTIONAL PACKAGE DATA
dlls: no  [skipping due to configuration]

============================================================================
* The following required packages can not be built:
* freetype, png * Try installing freetype with `apt-
* get install libfreetype6-dev` * Try installing png
* with `apt-get install libpng12-dev`
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-LuoeNd/matplotlib/

apt-get install libfreetype6-dev libxft-dev