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conan install easyhttpcpp/2.1.0@ --profile=/home/conan/w/BuildSingleReference/5845/3bdcb2fd-058f-4e1b-84f6-1d8f7e1f9b19/profile.txt --build=easyhttpcpp
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=clang
compiler.libcxx=libstdc++
compiler.version=10
os=Linux
os_build=Linux
[options]
easyhttpcpp:shared=False
[build_requires]
[env]

easyhttpcpp/2.1.0: Forced build from source
Installing package: easyhttpcpp/2.1.0
Requirements
    apr/1.7.0 from 'conan-center' - Cache
    apr-util/1.6.1 from 'conan-center' - Cache
    bzip2/1.0.8 from 'conan-center' - Cache
    easyhttpcpp/2.1.0 from local cache - Cache
    expat/2.2.10 from 'conan-center' - Cache
    libmysqlclient/8.0.17 from 'conan-center' - Cache
    libpq/11.5 from 'conan-center' - Cache
    openssl/1.1.1g from 'conan-center' - Cache
    pcre/8.41 from 'conan-center' - Cache
    poco/1.10.1 from 'conan-center' - Cache
    sqlite3/3.33.0 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    apr/1.7.0:548585508f681c4d576cc02c8b8d563c1b4d7505 - Download
    apr-util/1.6.1:60dc16ceaf75d574bb63c59bebfb68ef989cb31b - Missing
    bzip2/1.0.8:7335ce7557cf2fc68688ae880c61a352969fba18 - Download
    easyhttpcpp/2.1.0:2c71e15c957f112e32a1cb97430bf4d9e71691e1 - Build
    expat/2.2.10:2b1e5ff9df96aaf5924c273e1368c632fcb32dd2 - Download
    libmysqlclient/8.0.17:fbce42c1410509fb1e3aac942d23418a41bc9efe - Download
    libpq/11.5:22cbc34cecac9ec5dde41935ae587e7384c09f1c - Download
    openssl/1.1.1g:2b1e5ff9df96aaf5924c273e1368c632fcb32dd2 - Download
    pcre/8.41:ffaffec2992158f064394dce58540d490d335590 - Missing
    poco/1.10.1:07e8328db03fda2ff3f088abc2d72c0bd67734f8 - Missing
    sqlite3/3.33.0:196e826ce6aa457b7d7cba5dec9477732da1e9ad - Download
    zlib/1.2.11:2b1e5ff9df96aaf5924c273e1368c632fcb32dd2 - Download

Installing (downloading, building) binaries...

WARN: poco/1.10.1: requirement openssl/1.1.1h overridden by easyhttpcpp/2.1.0 to openssl/1.1.1g 
WARN: apr-util/1.6.1: requirement expat/2.2.9 overridden by poco/1.10.1 to expat/2.2.10 
WARN: libmysqlclient/8.0.17: requirement openssl/1.1.1i overridden by poco/1.10.1 to openssl/1.1.1g 
ERROR: Missing binary: apr-util/1.6.1:60dc16ceaf75d574bb63c59bebfb68ef989cb31b
ERROR: Missing binary: pcre/8.41:ffaffec2992158f064394dce58540d490d335590
ERROR: Missing binary: poco/1.10.1:07e8328db03fda2ff3f088abc2d72c0bd67734f8
apr-util/1.6.1: WARN: Can't find a 'apr-util/1.6.1' package for the specified settings, options and dependencies:
- Settings: arch=x86_64, build_type=Release, compiler=clang, compiler.version=10, os=Linux
- Options: dbm=False, fPIC=True, shared=False, with_commoncrypto=False, with_expat=True, with_lber=False, with_ldap=False, with_mysql=False, with_nss=False, with_openssl=False, with_postgresql=False, with_sqlite3=False, apr:fPIC=True, apr:force_apr_uuid=True, apr:shared=False, expat:fPIC=True, expat:shared=False
- Dependencies: apr/1.7.0, expat/2.2.10
- Requirements: apr/1.Y.Z, expat/2.Y.Z
- Package ID: 60dc16ceaf75d574bb63c59bebfb68ef989cb31b

ERROR: Missing prebuilt package for 'apr-util/1.6.1', 'pcre/8.41', 'poco/1.10.1'
Try to build from sources with '--build=apr-util --build=pcre --build=poco'
Use 'conan search <reference> --table table.html'
Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'