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conan install libxml2/2.9.9@ --build=libxml2 --profile=/home/conan/w/BuildSingleReference/69376/3d0767ca-f0c4-4945-97ff-997218d62fdb/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Debug
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=11
os=Linux
[options]
libxml2:shared=False
[build_requires]
[env]

libxml2/2.9.9: Forced build from source
Installing package: libxml2/2.9.9
Requirements
    libiconv/1.16 from 'conan-center' - Cache
    libxml2/2.9.9 from local cache - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    libiconv/1.16:be27726f9885116da1158027505be62e913cd585 - Download
    libxml2/2.9.9:668e0becb962aa20bfdc03e0659881cddcac57bb - Build
    zlib/1.2.11:be27726f9885116da1158027505be62e913cd585 - Download
Build requirements
    pkgconf/1.7.4 from 'conan-center' - Cache
Build requirements packages
    pkgconf/1.7.4:be27726f9885116da1158027505be62e913cd585 - Missing

Installing (downloading, building) binaries...

ERROR: Missing binary: pkgconf/1.7.4:be27726f9885116da1158027505be62e913cd585
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=Debug, compiler=gcc, compiler.version=11, os=Linux
- Options: fPIC=True, shared=False
- Dependencies: 
- Requirements: 
- Package ID: be27726f9885116da1158027505be62e913cd585

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'