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conan install easyhttpcpp/2.1.0@ --profile=/home/conan/w/BuildSingleReference/6663/bead7ee9-79ee-4cf3-aee3-c3501638531f/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=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-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:c81f31b4d67e7169ee02e834bae9bc7fa2bf144d - Download
    apr-util/1.6.1:8a1a7d652f053deacdd20b65c74e30149115e1ac - Download
    bzip2/1.0.8:91a8b22c2c5a149bc617cfc06cdd21bf23b12567 - Download
    easyhttpcpp/2.1.0:88b3fa1bc3f2afb923337ecc70045f953be426ad - Build
    expat/2.2.10:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - Download
    libmysqlclient/8.0.17:d90867f891069b96f313e63777445da51ff83682 - Download
    libpq/13.1:d1fec5021e954f2da491e318542a62215405ebbc - Download
    openssl/1.1.1g:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - Download
    pcre/8.44:168dcb6563ebaaff6d6ad9854792fe7186946913 - Missing
    poco/1.10.1:32be9a21ecef249bf12ef7df2dc36d1e59764a36 - Missing
    sqlite3/3.34.0:0afebc877508f94e1a69d4ab9e6230d79a6ac293 - Download
    zlib/1.2.11:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - 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/8.44:168dcb6563ebaaff6d6ad9854792fe7186946913
ERROR: Missing binary: poco/1.10.1:32be9a21ecef249bf12ef7df2dc36d1e59764a36
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=gcc, compiler.version=10, 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: 168dcb6563ebaaff6d6ad9854792fe7186946913

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'