I have been trying to install matplotlib==3.0.3 in a conda environment. I have installed MS Visual Build tools for C++ and added rc.exe and rcdll.dll to bin folder in Microsoft Visual Studio 14.0. Please take a look and help me out.
Complete output (56 lines):
============================================================================
Edit setup.cfg to change the build options
BUILDING MATPLOTLIB
matplotlib: yes [3.0.3]
python: yes [3.8.3 (default, Jul 2 2020, 17:30:36) [MSC
v.1916 64 bit (AMD64)]]
platform: yes [win32]
REQUIRED DEPENDENCIES AND EXTENSIONS
numpy: yes [version 1.18.5]
install_requires: yes [handled by setuptools]
libagg: yes [pkg-config information for 'libagg' could not
be found. Using local copy.]
freetype: yes [Using unknown version found on system.]
png: yes [Using unknown version found on system.]
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
agg: yes [installing]
tkagg: yes [installing; run-time loading from Python Tcl /
Tk]
macosx: no [Mac OS-X only]
windowing: yes [installing]
OPTIONAL PACKAGE DATA
dlls: no [skipping due to configuration]
running install
running build
running build_py
copying lib\matplotlib\mpl-data\matplotlibrc -> build\lib.win-amd64-3.8\matplotlib\mpl-data
UPDATING build\lib.win-amd64-3.8\matplotlib\_version.py
set build\lib.win-amd64-3.8\matplotlib\_version.py to '3.0.3'
running build_ext
building 'matplotlib._png' extension
creating build\temp.win-amd64-3.8
creating build\temp.win-amd64-3.8\Release
creating build\temp.win-amd64-3.8\Release\src
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\BIN\x86_amd64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -DPY_ARRAY_UNIQUE_SYMBOL=MPL_matplotlib__png_ARRAY_API -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -D__STDC_FORMAT_MACROS=1 -IC:\Anaconda3\envs\rev_env\lib\site-packages\numpy\core\include -IC:\Anaconda3\envs\rev_env\Library\include -I. -IC:\Anaconda3\envs\rev_env\include -IC:\Anaconda3\envs\rev_env\include "-IC:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\8.1\include\shared" "-IC:\Program Files (x86)\Windows Kits\8.1\include\um" "-IC:\Program Files (x86)\Windows Kits\8.1\include\winrt" /EHsc /Tpsrc/_png.cpp /Fobuild\temp.win-amd64-3.8\Release\src/_png.obj
_png.cpp
src/_png.cpp(336): warning C4244: 'argument': conversion from 'Py_ssize_t' to 'int', possible loss of data
src/_png.cpp(318): warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
C:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\ucrt\stdio.h(1769): note: see declaration of 'sprintf'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\BIN\x86_amd64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -DPY_ARRAY_UNIQUE_SYMBOL=MPL_matplotlib__png_ARRAY_API -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -D__STDC_FORMAT_MACROS=1 -IC:\Anaconda3\envs\rev_env\lib\site-packages\numpy\core\include -IC:\Anaconda3\envs\rev_env\Library\include -I. -IC:\Anaconda3\envs\rev_env\include -IC:\Anaconda3\envs\rev_env\include "-IC:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\8.1\include\shared" "-IC:\Program Files (x86)\Windows Kits\8.1\include\um" "-IC:\Program Files (x86)\Windows Kits\8.1\include\winrt" /EHsc /Tpsrc/mplutils.cpp /Fobuild\temp.win-amd64-3.8\Release\src/mplutils.obj
mplutils.cpp
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\BIN\x86_amd64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:C:\Anaconda3\envs\rev_env\Library\lib /LIBPATH:C:\Anaconda3\envs\rev_env\libs /LIBPATH:C:\Anaconda3\envs\rev_env\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\LIB\amd64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.10240.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\8.1\lib\winv6.3\um\x64" png.lib z.lib /EXPORT:PyInit__png build\temp.win-amd64-3.8\Release\src/_png.obj build\temp.win-amd64-3.8\Release\src/mplutils.obj /OUT:build\lib.win-amd64-3.8\matplotlib\_png.cp38-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.8\Release\src\_png.cp38-win_amd64.lib
LINK : fatal error LNK1181: cannot open input file 'png.lib'
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1181