******************************************************************************** conan install opencascade/7.5.0@ --profile=C:\J\w\BuildSingleReference@2/7480/ad439546-8c99-4df1-95c0-a40afe6ad1e7/profile.txt --build=opencascade ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=Visual Studio compiler.runtime=MT 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:a79a557254fabcb77849dd623fed97c9c5ab7651 - Download bzip2/1.0.8:8feb221a01dcb7f80d1d66f9676d4e44215f5e08 - Download freetype/2.10.4:f7cfa0039d91d91f3635d7741b30770c314ce224 - Download libpng/1.6.37:c6eb1796d6a9d59338fa618b78b90859da126b06 - Missing opencascade/7.5.0:7cadce642a2e587772f648506d61c91e3b766704 - Build opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download tcl/8.6.10:c6eb1796d6a9d59338fa618b78b90859da126b06 - Download tk/8.6.10:bbd24612751be0271e751db9da6fcaef7dc907a7 - Download zlib/1.2.11:a79a557254fabcb77849dd623fed97c9c5ab7651 - Download Installing (downloading, building) binaries... ERROR: Missing binary: libpng/1.6.37:c6eb1796d6a9d59338fa618b78b90859da126b06 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=Visual Studio, compiler.runtime=MT, 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: c6eb1796d6a9d59338fa618b78b90859da126b06 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'