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conan install libxml2/2.9.12@ --build=libxml2 --profile=/home/conan/w/BuildSingleReference/69375/b1b3ea03-7504-4f12-8b41-c813a86807ab/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=11
os=Linux
[options]
libxml2:shared=False
[build_requires]
[env]

libxml2/2.9.12: Forced build from source
Installing package: libxml2/2.9.12
Requirements
    libiconv/1.16 from 'conan-center' - Cache
    libxml2/2.9.12 from local cache - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    libiconv/1.16:dfbe50feef7f3c6223a476cd5aeadb687084a646 - Download
    libxml2/2.9.12:c61ca912b16446c0f482bc52de12394fa7e40f1d - Build
    zlib/1.2.11:dfbe50feef7f3c6223a476cd5aeadb687084a646 - Download
Build requirements
    pkgconf/1.7.4 from 'conan-center' - Cache
Build requirements packages
    pkgconf/1.7.4:dfbe50feef7f3c6223a476cd5aeadb687084a646 - Missing

Installing (downloading, building) binaries...

ERROR: Missing binary: pkgconf/1.7.4:dfbe50feef7f3c6223a476cd5aeadb687084a646
pkgconf/1.7.4: WARN: Can't find a 'pkgconf/1.7.4' package for the specified settings, options and dependencies:
- Settings: arch=x86_64, build_type=Release, compiler=gcc, compiler.version=11, os=Linux
- Options: fPIC=True, shared=False
- Dependencies: 
- Requirements: 
- Package ID: dfbe50feef7f3c6223a476cd5aeadb687084a646

ERROR: Missing prebuilt package for 'pkgconf/1.7.4'
Use 'conan search pkgconf/1.7.4 --table=table.html -r=remote' and open the table.html file to see available packages
Or try to build locally from sources with '--build=pkgconf'

More Info at 'https://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'