Another build failure (seemingly at the same spot). The log file is attached.
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Found local metadata for matplotlib-2.2.4.p0 Using cached file /Users/salis1bt/sage-git/upstream/matplotlib-2.2.4.tar.bz2 matplotlib-2.2.4.p0 ==================================================== Setting up build directory for matplotlib-2.2.4.p0 Finished extraction Applying patches from ../patches... Applying ../patches/install-jquery-ui.patch patching file setupext.py Applying ../patches/python38.patch patching file setup.py Applying ../patches/setup.py.patch patching file setup.py Hunk #1 succeeded at 67 (offset -18 lines). **************************************************** Host system: Darwin mth153844pe212 18.7.0 Darwin Kernel Version 18.7.0: Tue Aug 20 16:57:14 PDT 2019; root:xnu-4903.271.2~2/RELEASE_X86_64 x86_64 **************************************************** C compiler: clang C compiler version: Apple LLVM version 10.0.1 (clang-1001.0.46.4) Target: x86_64-apple-darwin18.7.0 Thread model: posix InstalledDir: /Library/Developer/CommandLineTools/usr/bin **************************************************** Package 'matplotlib' is currently not installed No legacy uninstaller found for 'matplotlib'; nothing to do NOTE: Set SAGE_MATPLOTLIB_GUI to anything but 'no' to try to build the Matplotlib GUI. Not building any matplotlib graphical backends. Installing matplotlib-2.2.4.p0 Installing package matplotlib using pip2 Waiting for shared lock to run /Users/salis1bt/sage-git/local/bin/python2 -m pip install --ignore-installed --verbose --no-deps --no-index --isolated --no-build-isolation --root=/Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0/inst . ... ok Ignoring indexes: https://pypi.org/simple Created temporary directory: /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-ephem-wheel-cache-oNzjr7 Created temporary directory: /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-tracker-dHGWmX Created requirements tracker '/private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-tracker-dHGWmX' Created temporary directory: /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-install-qEM64Y Processing /Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0/src Created temporary directory: /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-build-MO0CpL Added file:///Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0/src to build tracker '/private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-tracker-dHGWmX' Running setup.py (path:/private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-build-MO0CpL/setup.py) egg_info for package from file:///Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0/src Running command python setup.py egg_info ============================================================================ Edit setup.cfg to change the build options BUILDING MATPLOTLIB matplotlib: yes [2.2.4] python: yes [2.7.15 (default, Oct 1 2019, 13:49:17) [GCC 4.2.1 Compatible Apple LLVM 10.0.1 (clang-1001.0.46.4)]] platform: yes [darwin] REQUIRED DEPENDENCIES AND EXTENSIONS numpy: yes [version 1.16.1] install_requires: yes [handled by setuptools] libagg: yes [pkg-config information for 'libagg' could not be found. Using local copy.] freetype: yes [version 2.9.1] png: no [The C/C++ header for libpng (png.h) could not be found. You may need to install the development package.] qhull: yes [pkg-config information for 'libqhull' could not be found. Using local copy.] OPTIONAL SUBPACKAGES sample_data: yes [installing] toolkits: yes [installing] OPTIONAL BACKEND EXTENSIONS macosx: no [skipping due to configuration] qt5agg: no [PySide2 not found; PyQt5 not found] qt4agg: no [PySide not found; PyQt4 not found] gtk3agg: no [Requires pygobject to be installed.] gtk3cairo: no [Requires cairocffi or pycairo to be installed.] gtkagg: no [skipping due to configuration] tkagg: yes [installing; run-time loading from Python Tcl / Tk] wxagg: no [skipping due to configuration] gtk: no [skipping due to configuration] agg: yes [installing] cairo: no [cairocffi or pycairo not found] windowing: no [skipping due to configuration] OPTIONAL LATEX DEPENDENCIES dvipng: yes [version 1.16] ghostscript: yes [version 9.27] latex: yes [version 3.14159265] pdftops: no OPTIONAL PACKAGE DATA dlls: no [skipping due to configuration] ============================================================================ * The following required packages can not be built: * png * Try installing png with `brew install libpng` and * pkg-config with `brew install pkg-config` Cleaning up... Removing source in /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-build-MO0CpL Removed file:///Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0/src from build tracker '/private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-tracker-dHGWmX' Removed build tracker '/private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-tracker-dHGWmX' Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-build-MO0CpL/ Exception information: Traceback (most recent call last): File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/cli/base_command.py", line 143, in main status = self.run(options, args) File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/commands/install.py", line 318, in run resolver.resolve(requirement_set) File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/resolve.py", line 102, in resolve self._resolve_one(requirement_set, req) File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/resolve.py", line 256, in _resolve_one abstract_dist = self._get_abstract_dist_for(req_to_install) File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/resolve.py", line 209, in _get_abstract_dist_for self.require_hashes File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/operations/prepare.py", line 298, in prepare_linked_requirement abstract_dist.prep_for_dist(finder, self.build_isolation) File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/operations/prepare.py", line 126, in prep_for_dist self.req.run_egg_info() File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/req/req_install.py", line 473, in run_egg_info command_desc='python setup.py egg_info') File "/Users/salis1bt/sage-git/local/lib/python2.7/site-packages/pip/_internal/utils/misc.py", line 705, in call_subprocess % (command_desc, proc.returncode, cwd)) InstallationError: Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/d0/bbf0zvnn43b4_fhtkznp_yyc0000gp/T/pip-req-build-MO0CpL/ Error: installing with pip2 failed ******************************************************************************** Error installing matplotlib-2.2.4.p0 ******************************************************************************** real 6m15.677s user 0m1.481s sys 0m2.063s ************************************************************************ Error installing package matplotlib-2.2.4.p0 ************************************************************************ Please email sage-devel (http://groups.google.com/group/sage-devel) explaining the problem and including the log file /Users/salis1bt/sage-git/logs/pkgs/matplotlib-2.2.4.p0.log Describe your computer, operating system, etc. If you want to try to fix the problem yourself, *don't* just cd to /Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0 and type 'make' or whatever is appropriate. Instead, the following commands setup all environment variables correctly and load a subshell for you to debug the error: (cd '/Users/salis1bt/sage-git/local/var/tmp/sage/build/matplotlib-2.2.4.p0' && '/Users/salis1bt/sage-git/sage' --sh) When you are done debugging, you can type "exit" to leave the subshell. ************************************************************************