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conan install easyhttpcpp/2.1.0@ --profile=/home/conan/w/BuildSingleReference/5845/97f7d955-03e2-4878-858a-a81aaf5cf546/profile.txt --build=easyhttpcpp
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=10
os=Linux
os_build=Linux
[options]
easyhttpcpp:shared=True
[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:c81f31b4d67e7169ee02e834bae9bc7fa2bf144d - Download
    apr-util/1.6.1:8a1a7d652f053deacdd20b65c74e30149115e1ac - Missing
    bzip2/1.0.8:91a8b22c2c5a149bc617cfc06cdd21bf23b12567 - Download
    easyhttpcpp/2.1.0:c73e2b233e989ef00acc55aa3c76b3082d50eae3 - Build
    expat/2.2.10:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - Download
    libmysqlclient/8.0.17:d90867f891069b96f313e63777445da51ff83682 - Download
    libpq/11.5:d1fec5021e954f2da491e318542a62215405ebbc - Download
    openssl/1.1.1g:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - Download
    pcre/8.41:168dcb6563ebaaff6d6ad9854792fe7186946913 - Missing
    poco/1.10.1:4e643e5a4e68b43e8859f0c068d0e9e0f2640d9a - Missing
    sqlite3/3.33.0:0afebc877508f94e1a69d4ab9e6230d79a6ac293 - Download
    zlib/1.2.11:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - 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/1.6.1:8a1a7d652f053deacdd20b65c74e30149115e1ac
ERROR: Missing binary: pcre/8.41:168dcb6563ebaaff6d6ad9854792fe7186946913
ERROR: Missing binary: poco/1.10.1:4e643e5a4e68b43e8859f0c068d0e9e0f2640d9a
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=gcc, 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: 8a1a7d652f053deacdd20b65c74e30149115e1ac

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'