******************************************************************************** conan install serf/1.3.9@ --profile=/home/conan/w/BuildSingleReference/1592/93238b7f-7070-4937-9d6c-92ba760b7e30/profile.txt --build=serf ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Debug compiler=clang compiler.libcxx=libstdc++ compiler.version=10 os=Linux os_build=Linux [options] serf:shared=False [build_requires] [env] serf/1.3.9: Forced build from source Installing package: serf/1.3.9 Requirements apr/1.7.0 from 'conan-center' - Cache apr-util/1.6.1 from 'conan-center' - Cache expat/2.2.9 from 'conan-center' - Cache openssl/1.1.1g from 'conan-center' - Cache serf/1.3.9 from 'conan-upstream' - Cache zlib/1.2.11 from 'conan-center' - Cache Packages apr/1.7.0:3c81cdd5d2c9f2e6d8642e0caa3fc908e6dcb7e2 - Missing apr-util/1.6.1:0669acd02926f935b89e130e1d34cfabd9598527 - Missing expat/2.2.9:72c3493baf37f6fd0e9e64ab36754d5a2f6479a9 - Download openssl/1.1.1g:72c3493baf37f6fd0e9e64ab36754d5a2f6479a9 - Missing serf/1.3.9:895969ad0cbd15b564e10d8c8b89947fc5877ffe - Build zlib/1.2.11:72c3493baf37f6fd0e9e64ab36754d5a2f6479a9 - Download Build requirements scons/3.1.2 from 'conan-center' - Cache Build requirements packages scons/3.1.2:cb054d0b3e1ca595dc66bc2339d40f1f8f04ab31 - Download Installing (downloading, building) binaries... ERROR: Missing binary: apr/1.7.0:3c81cdd5d2c9f2e6d8642e0caa3fc908e6dcb7e2 ERROR: Missing binary: apr-util/1.6.1:0669acd02926f935b89e130e1d34cfabd9598527 ERROR: Missing binary: openssl/1.1.1g:72c3493baf37f6fd0e9e64ab36754d5a2f6479a9 apr/1.7.0: WARN: Can't find a 'apr/1.7.0' package for the specified settings, options and dependencies: - Settings: arch=x86_64, build_type=Debug, compiler=clang, compiler.version=10, os=Linux - Options: fPIC=True, force_apr_uuid=True, shared=False - Dependencies: - Requirements: - Package ID: 3c81cdd5d2c9f2e6d8642e0caa3fc908e6dcb7e2 ERROR: Missing prebuilt package for 'apr/1.7.0', 'apr-util/1.6.1', 'openssl/1.1.1g' Try to build from sources with '--build=apr --build=apr-util --build=openssl' Use 'conan search --table table.html' Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'