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conan install easyhttpcpp/2.1.0@ --profile=/home/conan/w/BuildSingleReference/6663/20398dbc-d4ee-4f17-b019-0219aab4246c/profile.txt --build=easyhttpcpp
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=clang
compiler.libcxx=libc++
compiler.version=11
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-upstream' - Cache
    apr-util/1.6.1 from 'conan-upstream' - Cache
    bzip2/1.0.8 from 'conan-center' - Cache
    easyhttpcpp/2.1.0 from 'conan-upstream' - Cache
    expat/2.2.10 from 'conan-center' - Cache
    libmysqlclient/8.0.17 from 'conan-center' - Cache
    libpq/13.1 from 'conan-center' - Cache
    openssl/1.1.1g from 'conan-center' - Cache
    pcre/8.44 from 'conan-center' - Cache
    poco/1.10.1 from 'conan-upstream' - Cache
    sqlite3/3.34.0 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    apr/1.7.0:6713613ca67661da576d816d832551eb8deff2fd - Download
    apr-util/1.6.1:9f0dd9477b6d4688a23ed67990cd1858ae2a29c0 - Download
    bzip2/1.0.8:a0279858937b0968952a9784938616e26eb7c2dd - Download
    easyhttpcpp/2.1.0:18deea61edb85edbda0b1cdfe01518f0a69da5ae - Build
    expat/2.2.10:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Download
    libmysqlclient/8.0.17:aa2f50c79fe7c0c960b9ff4fd8c2fa797710ca7e - Download
    libpq/13.1:88888c4c42b4cc249e5034e057b08d49798b4b27 - Download
    openssl/1.1.1g:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Download
    pcre/8.44:0a0c659aef719d0748930c686eaa772f838c1520 - Missing
    poco/1.10.1:ef80597e69b582923bd4a095e23b9cf057b881bf - Missing
    sqlite3/3.34.0:78a7cdd84fa7766bc5538716dc796b308abc332d - Download
    zlib/1.2.11:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Download

Installing (downloading, building) binaries...

WARN: poco/1.10.1: requirement openssl/1.1.1i 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: pcre/8.44:0a0c659aef719d0748930c686eaa772f838c1520
ERROR: Missing binary: poco/1.10.1:ef80597e69b582923bd4a095e23b9cf057b881bf
pcre/8.44: WARN: Can't find a 'pcre/8.44' package for the specified settings, options and dependencies:
- Settings: arch=x86_64, build_type=Release, compiler=clang, compiler.version=11, os=Linux
- Options: build_pcre_16=True, build_pcre_32=True, build_pcre_8=True, build_pcrecpp=False, build_pcregrep=True, fPIC=True, shared=False, with_bzip2=True, with_jit=False, with_stack_for_recursion=True, with_unicode_properties=False, with_utf=False, with_zlib=True, bzip2:build_executable=True, bzip2:fPIC=True, bzip2:shared=False, zlib:fPIC=True, zlib:minizip=False, zlib:shared=False
- Dependencies: bzip2/1.0.8, zlib/1.2.11
- Requirements: bzip2/1.Y.Z, zlib/1.Y.Z
- Package ID: 0a0c659aef719d0748930c686eaa772f838c1520

ERROR: Missing prebuilt package for 'pcre/8.44', 'poco/1.10.1'
Try to build from sources with '--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'