>>> python-matplotlib 3.0.3 Extracting gzip -d -c /usr/lfs/v0/rc-buildroot-test/scripts/instance-0/dl/python-matplotlib/matplotlib-3.0.3.tar.gz | /usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/host/bin/tar --strip-components=1 -C /usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/build/python-matplotlib-3.0.3 -xf - >>> python-matplotlib 3.0.3 Patching Applying 0001-Fix-invalid-inclusion-headers.patch using patch: patching file setupext.py >>> python-matplotlib 3.0.3 Configuring >>> python-matplotlib 3.0.3 Building (cd /usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/build/python-matplotlib-3.0.3//; _PYTHON_SYSCONFIGDATA_NAME="_sysconfigdata_m_linux_arm-linux-gnueabihf" PATH="/usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/host/bin:/usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/host/sbin:/accts/mlweber1/bin:/accts/mlweber1/libexec/git-core:/accts/mlweber1/usr/bin:/accts/mlweber1/usr/local/bin:/usr/bin:/bin" PYTHONPATH="/usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/target/usr/lib/python3.7/" PYTHONNOUSERSITE=1 _python_sysroot=/usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/host/arm-buildroot-linux-musleabihf/sysroot _python_prefix=/usr _python_exec_prefix=/usr /usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/host/bin/python setup.py build ) ============================================================================ Edit setup.cfg to change the build options BUILDING MATPLOTLIB matplotlib: yes [3.0.3] python: yes [3.7.4 (default, Aug 4 2019, 21:17:12) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)]] platform: yes [linux] REQUIRED DEPENDENCIES AND EXTENSIONS numpy: yes [version 1.16.4] install_requires: yes [handled by setuptools] libagg: yes [pkg-config information for 'libagg' could not be found. Using local copy.] freetype: yes [version 2.10.1] 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] 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: no [Microsoft Windows only] OPTIONAL PACKAGE DATA dlls: no [skipping due to configuration] ============================================================================ * The following required packages can not be built: * png make: *** [/usr/lfs/v0/rc-buildroot-test/scripts/instance-0/output/build/python-matplotlib-3.0.3/.stamp_built] Error 1 make: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-0/buildroot'