Try -- yum install freetype-devel
This installed successfully. Or as a shortcut to get all of the build dependencies installed: yum-builddep python-matplotlib This ended with: (mandala)[webalert@localhost ~]$ sudo yum-builddep python-matplotlib [sudo] password for webalert: Loaded plugins: fastestmirror, refresh-packagekit Loading mirror speeds from cached hostfile * base: centos.mirror.ca.planethoster.net * extras: mirror.science.uottawa.ca * rpmforge: mirror.team-cymru.org * updates: centos.mirror.ca.planethoster.net Checking for new repos for mirrors No source RPM found for python-matplotlib-0.99.1.2-1.el6.x86_64 No uninstalled build requires Still running into the error: gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c agg24/src/agg_trans_affine.cpp -o build/temp.linux-x86_64-2.6/agg24/src/agg_trans_affine.o gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c agg24/src/agg_image_filters.cpp -o build/temp.linux-x86_64-2.6/agg24/src/agg_image_filters.o gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c agg24/src/agg_bezier_arc.cpp -o build/temp.linux-x86_64-2.6/agg24/src/agg_bezier_arc.o gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c CXX/cxxsupport.cxx -o build/temp.linux-x86_64-2.6/CXX/cxxsupport.o gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c CXX/cxx_extensions.cxx -o build/temp.linux-x86_64-2.6/CXX/cxx_extensions.o gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c CXX/IndirectPythonInterface.cxx -o build/temp.linux-x86_64-2.6/CXX/IndirectPythonInterface.o gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -Isrc -Iagg24/include -I. -I/usr/include/python2.6 -c CXX/cxxextensions.c -o build/temp.linux-x86_64-2.6/CXX/cxxextensions.o g++ -pthread -shared build/temp.linux-x86_64-2.6/src/image.o build/temp.linux-x86_64-2.6/src/mplutils.o build/temp.linux-x86_64-2.6/agg24/src/agg_trans_affine.o build/temp.linux-x86_64-2.6/agg24/src/agg_image_filters.o build/temp.linux-x86_64-2.6/agg24/src/agg_bezier_arc.o build/temp.linux-x86_64-2.6/CXX/cxxsupport.o build/temp.linux-x86_64-2.6/CXX/cxx_extensions.o build/temp.linux-x86_64-2.6/CXX/IndirectPythonInterface.o build/temp.linux-x86_64-2.6/CXX/cxxextensions.o -L/usr/local/lib -L/usr/lib -L/usr/local/lib64 -L/usr/lib64 -L/usr/lib64 -lstdc++ -lm -lpython2.6 -o build/lib.linux-x86_64-2.6/matplotlib/_image.so building 'matplotlib._png' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I. -I/usr/include/python2.6 -c src/_png.cpp -o build/temp.linux-x86_64-2.6/src/_png.o src/_png.cpp:10:20: error: png.h: No such file or directory In file included from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/ndarraytypes.h:1728, from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/ndarrayobject.h:17, from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/arrayobject.h:15, from src/_png.cpp:28: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_deprecated_api.h:11:2: warning: #warning "Using deprecated NumPy API, disable it by #defining NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" In file included from src/file_compat.h:4, from src/_png.cpp:30: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h: In function ‘PyObject* npy_PyFile_OpenFile(PyObject*, const char*)’: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h:247: warning: deprecated conversion from string constant to ‘char*’ /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h: In function ‘int npy_PyFile_CloseFile(PyObject*)’: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h:255: warning: deprecated conversion from string constant to ‘char*’ src/_png.cpp: At global scope: src/_png.cpp:67: error: variable or field ‘write_png_data’ declared void src/_png.cpp:67: error: ‘png_structp’ was not declared in this scope src/_png.cpp:67: error: ‘png_bytep’ was not declared in this scope src/_png.cpp:67: error: ‘png_size_t’ was not declared in this scope /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/__multiarray_api.h:1594: warning: ‘int _import_array()’ defined but not used error: command 'gcc' failed with exit status 1 ---------------------------------------- Command /home/webalert/.virtualenvs/mandala/bin/python -c "import setuptools;__file__='/home/webalert/.virtualenvs/mandala/build/matplotlib/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-5AdrTx-record/install-record.txt --single-version-externally-managed --install-headers /home/webalert/.virtualenvs/mandala/include/site/python2.6 failed with error code 1 in /home/webalert/.virtualenvs/mandala/build/matplotlib Storing complete log in /home/webalert/.pip/pip.log (mandala)[webalert@localhost ~]$ sudo yum-builddep python-matplotlib [sudo] password for webalert: Loaded plugins: fastestmirror, refresh-packagekit Loading mirror speeds from cached hostfile * base: centos.mirror.ca.planethoster.net * extras: mirror.science.uottawa.ca * rpmforge: mirror.team-cymru.org * updates: centos.mirror.ca.planethoster.net Checking for new repos for mirrors No source RPM found for python-matplotlib-0.99.1.2-1.el6.x86_64 No uninstalled build requires (mandala)[webalert@localhost ~]$ pip install matplotlib Downloading/unpacking matplotlib Running setup.py egg_info for package matplotlib basedirlist is: ['/usr/local', '/usr'] ============================================================================ BUILDING MATPLOTLIB matplotlib: 1.2.1 python: 2.6.6 (r266:84292, Feb 22 2013, 00:00:18) [GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] platform: linux2 REQUIRED DEPENDENCIES numpy: 1.7.1 freetype2: 9.22.3 OPTIONAL BACKEND DEPENDENCIES libpng: found, but unknown version (no pkg-config) * Could not find 'libpng' headers in any of * '/usr/local/include', '/usr/include', * '/usr/local/include', '/usr/include', '.' Tkinter: no * TKAgg requires Tkinter Gtk+: no * Building for Gtk+ requires pygtk; you must be able * to "import gtk" in your build/install environment Mac OS X native: no Qt: no Qt4: no PySide: no Cairo: no OPTIONAL DATE/TIMEZONE DEPENDENCIES dateutil: matplotlib will provide pytz: matplotlib will provide OPTIONAL USETEX DEPENDENCIES dvipng: no ghostscript: 8.70 latex: no pdftops: 0.12.4 [Edit setup.cfg to suppress the above messages] ============================================================================ pymods ['pylab'] packages ['matplotlib', 'matplotlib.backends', 'matplotlib.backends.qt4_editor', 'matplotlib.projections', 'matplotlib.testing', 'matplotlib.testing.jpl_units', 'matplotlib.tests', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 'mpl_toolkits.axes_grid', 'mpl_toolkits.axes_grid1', 'mpl_toolkits.axisartist', 'matplotlib.sphinxext', 'matplotlib.tri', 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil.zoneinfo'] warning: no files found matching 'KNOWN_BUGS' warning: no files found matching 'INTERACTIVE' warning: no files found matching 'make.osx' warning: no files found matching 'MANIFEST' warning: no files found matching '__init__.py' warning: no files found matching 'examples/data/*' warning: no files found matching 'lib/mpl_toolkits' warning: no files found matching 'lib/matplotlib/mpl-data/matplotlib.conf' warning: no files found matching 'lib/matplotlib/mpl-data/matplotlib.conf.template' warning: manifest_maker: MANIFEST.in, line 16: 'recursive-include' expects <dir> <pattern1> <pattern2> ... warning: no files found matching 'LICENSE*' under directory 'license' Installing collected packages: matplotlib Running setup.py install for matplotlib basedirlist is: ['/usr/local', '/usr'] ============================================================================ BUILDING MATPLOTLIB matplotlib: 1.2.1 python: 2.6.6 (r266:84292, Feb 22 2013, 00:00:18) [GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] platform: linux2 REQUIRED DEPENDENCIES numpy: 1.7.1 freetype2: 9.22.3 OPTIONAL BACKEND DEPENDENCIES libpng: found, but unknown version (no pkg-config) * Could not find 'libpng' headers in any of * '/usr/local/include', '/usr/include', * '/usr/local/include', '/usr/include', '.' Tkinter: no * TKAgg requires Tkinter Gtk+: no * Building for Gtk+ requires pygtk; you must be able * to "import gtk" in your build/install environment Mac OS X native: no Qt: no Qt4: no PySide: no Cairo: no OPTIONAL DATE/TIMEZONE DEPENDENCIES dateutil: matplotlib will provide pytz: matplotlib will provide OPTIONAL USETEX DEPENDENCIES dvipng: no ghostscript: 8.70 latex: no pdftops: 0.12.4 [Edit setup.cfg to suppress the above messages] ============================================================================ pymods ['pylab'] packages ['matplotlib', 'matplotlib.backends', 'matplotlib.backends.qt4_editor', 'matplotlib.projections', 'matplotlib.testing', 'matplotlib.testing.jpl_units', 'matplotlib.tests', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 'mpl_toolkits.axes_grid', 'mpl_toolkits.axes_grid1', 'mpl_toolkits.axisartist', 'matplotlib.sphinxext', 'matplotlib.tri', 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil.zoneinfo'] building 'matplotlib._png' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I. -I/usr/include/python2.6 -c src/_png.cpp -o build/temp.linux-x86_64-2.6/src/_png.o src/_png.cpp:10:20: error: png.h: No such file or directory In file included from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/ndarraytypes.h:1728, from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/ndarrayobject.h:17, from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/arrayobject.h:15, from src/_png.cpp:28: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_deprecated_api.h:11:2: warning: #warning "Using deprecated NumPy API, disable it by #defining NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" In file included from src/file_compat.h:4, from src/_png.cpp:30: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h: In function ‘PyObject* npy_PyFile_OpenFile(PyObject*, const char*)’: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h:247: warning: deprecated conversion from string constant to ‘char*’ /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h: In function ‘int npy_PyFile_CloseFile(PyObject*)’: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h:255: warning: deprecated conversion from string constant to ‘char*’ src/_png.cpp: At global scope: src/_png.cpp:67: error: variable or field ‘write_png_data’ declared void src/_png.cpp:67: error: ‘png_structp’ was not declared in this scope src/_png.cpp:67: error: ‘png_bytep’ was not declared in this scope src/_png.cpp:67: error: ‘png_size_t’ was not declared in this scope /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/__multiarray_api.h:1594: warning: ‘int _import_array()’ defined but not used error: command 'gcc' failed with exit status 1 Complete output from command /home/webalert/.virtualenvs/mandala/bin/python -c "import setuptools;__file__='/home/webalert/.virtualenvs/mandala/build/matplotlib/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-9i4ni6-record/install-record.txt --single-version-externally-managed --install-headers /home/webalert/.virtualenvs/mandala/include/site/python2.6: basedirlist is: ['/usr/local', '/usr'] ============================================================================ BUILDING MATPLOTLIB matplotlib: 1.2.1 python: 2.6.6 (r266:84292, Feb 22 2013, 00:00:18) [GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] platform: linux2 REQUIRED DEPENDENCIES numpy: 1.7.1 freetype2: 9.22.3 OPTIONAL BACKEND DEPENDENCIES libpng: found, but unknown version (no pkg-config) * Could not find 'libpng' headers in any of * '/usr/local/include', '/usr/include', * '/usr/local/include', '/usr/include', '.' Tkinter: no * TKAgg requires Tkinter Gtk+: no * Building for Gtk+ requires pygtk; you must be able * to "import gtk" in your build/install environment Mac OS X native: no Qt: no Qt4: no PySide: no Cairo: no OPTIONAL DATE/TIMEZONE DEPENDENCIES dateutil: matplotlib will provide pytz: matplotlib will provide OPTIONAL USETEX DEPENDENCIES dvipng: no ghostscript: 8.70 latex: no pdftops: 0.12.4 [Edit setup.cfg to suppress the above messages] ============================================================================ pymods ['pylab'] packages ['matplotlib', 'matplotlib.backends', 'matplotlib.backends.qt4_editor', 'matplotlib.projections', 'matplotlib.testing', 'matplotlib.testing.jpl_units', 'matplotlib.tests', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 'mpl_toolkits.axes_grid', 'mpl_toolkits.axes_grid1', 'mpl_toolkits.axisartist', 'matplotlib.sphinxext', 'matplotlib.tri', 'matplotlib.delaunay', 'pytz', 'dateutil', 'dateutil.zoneinfo'] running install running build running build_py copying lib/matplotlib/mpl-data/matplotlibrc -> build/lib.linux-x86_64-2.6/matplotlib/mpl-data running build_ext building 'matplotlib._png' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DPY_ARRAY_UNIQUE_SYMBOL=MPL_ARRAY_API -DPYCXX_ISO_CPP_LIB=1 -I/usr/local/include -I/usr/include -I/usr/local/include -I/usr/include -I. -I/home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include -I. -I/usr/include/python2.6 -c src/_png.cpp -o build/temp.linux-x86_64-2.6/src/_png.o src/_png.cpp:10:20: error: png.h: No such file or directory In file included from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/ndarraytypes.h:1728, from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/ndarrayobject.h:17, from /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/arrayobject.h:15, from src/_png.cpp:28: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_deprecated_api.h:11:2: warning: #warning "Using deprecated NumPy API, disable it by #defining NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" In file included from src/file_compat.h:4, from src/_png.cpp:30: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h: In function ‘PyObject* npy_PyFile_OpenFile(PyObject*, const char*)’: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h:247: warning: deprecated conversion from string constant to ‘char*’ /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h: In function ‘int npy_PyFile_CloseFile(PyObject*)’: /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/npy_3kcompat.h:255: warning: deprecated conversion from string constant to ‘char*’ src/_png.cpp: At global scope: src/_png.cpp:67: error: variable or field ‘write_png_data’ declared void src/_png.cpp:67: error: ‘png_structp’ was not declared in this scope src/_png.cpp:67: error: ‘png_bytep’ was not declared in this scope src/_png.cpp:67: error: ‘png_size_t’ was not declared in this scope /home/webalert/.virtualenvs/mandala/lib/python2.6/site-packages/numpy/core/include/numpy/__multiarray_api.h:1594: warning: ‘int _import_array()’ defined but not used error: command 'gcc' failed with exit status 1 ---------------------------------------- Command /home/webalert/.virtualenvs/mandala/bin/python -c "import setuptools;__file__='/home/webalert/.virtualenvs/mandala/build/matplotlib/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-9i4ni6-record/install-record.txt --single-version-externally-managed --install-headers /home/webalert/.virtualenvs/mandala/include/site/python2.6 failed with error code 1 in /home/webalert/.virtualenvs/mandala/build/matplotlib Storing complete log in /home/webalert/.pip/pip.log (mandala)[webalert@localhost ~]$ Could it be libpng? -- View this message in context: http://matplotlib.1069221.n5.nabble.com/getting-error-command-gcc-failed-with-exit-status-1-while-installing-matplotlib-in-CentOS-tp41007p41019.html Sent from the matplotlib - devel mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. This 200-page book is written by three acclaimed leaders in the field. The early access version is available now. Download your free book today! http://p.sf.net/sfu/neotech_d2d_may _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel