******************************************************************************** conan install serf/1.3.9@ --profile=/home/conan/w/BuildSingleReference/1592/d5d8c55b-74da-4777-83a8-4f164cc50890/profile.txt --build=serf ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=clang compiler.libcxx=libstdc++ compiler.version=11 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/1.7.0:6713613ca67661da576d816d832551eb8deff2fd - Missing apr-util/1.6.1:9f0dd9477b6d4688a23ed67990cd1858ae2a29c0 - Missing expat/2.2.9:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Download openssl/1.1.1g:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Missing serf/1.3.9:f94e9a0f08dff396ca8e773a32385accb68a5642 - Build zlib/1.2.11:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - 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/1.7.0:6713613ca67661da576d816d832551eb8deff2fd ERROR: Missing binary: apr-util/1.6.1:9f0dd9477b6d4688a23ed67990cd1858ae2a29c0 ERROR: Missing binary: openssl/1.1.1g:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 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=Release, compiler=clang, compiler.version=11, os=Linux - Options: fPIC=True, force_apr_uuid=True, shared=False - Dependencies: - Requirements: - Package ID: 6713613ca67661da576d816d832551eb8deff2fd 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'