******************************************************************************** conan install opencascade/7.5.0@ --profile=C:\J\w\BuildSingleReference/7480/40f7afde-b099-4d81-8512-132ec6341cd0/profile.txt --build=opencascade ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Debug compiler=Visual Studio compiler.runtime=MDd compiler.version=16 os=Windows os_build=Windows [options] opencascade:shared=False [build_requires] [env] opencascade/7.5.0: Forced build from source Installing package: opencascade/7.5.0 Requirements brotli/1.0.9 from 'conan-center' - Cache bzip2/1.0.8 from 'conan-center' - Cache freetype/2.10.4 from 'conan-center' - Cache libpng/1.6.37 from 'conan-center' - Cache opencascade/7.5.0 from local cache - Cache opengl/system from 'conan-center' - Cache tcl/8.6.10 from 'conan-center' - Cache tk/8.6.10 from 'conan-center' - Cache zlib/1.2.11 from 'conan-center' - Cache Packages brotli/1.0.9:d057732059ea44a47760900cb5e4855d2bea8714 - Download bzip2/1.0.8:589a23dff5fdb23a7fb851223eb766480ead0a9a - Download freetype/2.10.4:c69bad48274e7fc45c887cddc32aa0459f0a81e0 - Download libpng/1.6.37:6acf24cd4adf2df742e006cc0e5f0329e3b6e60b - Missing opencascade/7.5.0:2449efa616db56af7c2baafbca36a8784bf69015 - Build opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download tcl/8.6.10:6acf24cd4adf2df742e006cc0e5f0329e3b6e60b - Download tk/8.6.10:ff8c0a2099858c4ac702118803bbca24e3ffac72 - Download zlib/1.2.11:d057732059ea44a47760900cb5e4855d2bea8714 - Download Installing (downloading, building) binaries... ERROR: Missing binary: libpng/1.6.37:6acf24cd4adf2df742e006cc0e5f0329e3b6e60b 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=Debug, compiler=Visual Studio, compiler.runtime=MDd, compiler.version=16, os=Windows - Options: api_prefix=None, shared=False, zlib:minizip=False, zlib:shared=False - Dependencies: zlib/1.2.11 - Requirements: zlib/1.Y.Z - Package ID: 6acf24cd4adf2df742e006cc0e5f0329e3b6e60b 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'