ERROR: Missing binary: libpng/1.6.37:97a85c21c60fa3254c3e70b6c5923cdbe0dbf3a6 libpng/1.6.37: WARN: Can't find a 'libpng/1.6.37' package for the specified settings, options and dependencies: - Settings: arch=x86_64, build_type=Release, compiler=clang, compiler.version=4.0, os=Linux - Options: api_prefix=None, fPIC=True, shared=False, zlib:fPIC=True, zlib:minizip=False, zlib:shared=False - Dependencies: zlib/1.2.11 - Requirements: zlib/1.Y.Z - Package ID: 97a85c21c60fa3254c3e70b6c5923cdbe0dbf3a6 ERROR: Missing prebuilt package for 'libpng/1.6.37' Try to build from sources with '--build=libpng' Use 'conan search --table table.html' Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'