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conan install libnl/3.2.25@ --profile=/home/conan/w/BuildSingleReference/1356/3a1f451a-1c10-4ab0-a27e-3ebb65d0de61/profile.txt --build=libnl
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=clang
compiler.libcxx=libstdc++
compiler.version=11
os=Linux
os_build=Linux
[options]
libnl:shared=True
[build_requires]
[env]

libnl/3.2.25: Forced build from source
Installing package: libnl/3.2.25
Requirements
    libnl/3.2.25 from 'conan-upstream' - Cache
Packages
    libnl/3.2.25:f2fe22dad08bad39aab2a38cb612e26da46e90c0 - Build
Build requirements
    bison/3.5.3 from 'conan-center' - Cache
    flex/2.6.4 from 'conan-center' - Cache
    m4/1.4.18 from 'conan-center' - Cache
Build requirements packages
    bison/3.5.3:f77399f1804facb3809032c4ca2257c4681933c6 - Missing
    flex/2.6.4:f77399f1804facb3809032c4ca2257c4681933c6 - Missing
    m4/1.4.18:46159c96620b5c49b59cb58971516f2543807cb9 - Download

Installing (downloading, building) binaries...

ERROR: Missing binary: bison/3.5.3:f77399f1804facb3809032c4ca2257c4681933c6
ERROR: Missing binary: flex/2.6.4:f77399f1804facb3809032c4ca2257c4681933c6
bison/3.5.3: WARN: Can't find a 'bison/3.5.3' package for the specified settings, options and dependencies:
- Settings: arch=x86_64, build_type=Release, compiler=clang, compiler.version=11, os=Linux
- Options: fPIC=True
- Dependencies: m4/1.4.18
- Requirements: m4/1.Y.Z
- Package ID: f77399f1804facb3809032c4ca2257c4681933c6

ERROR: Missing prebuilt package for 'bison/3.5.3', 'flex/2.6.4'
Try to build from sources with '--build=bison --build=flex'
Use 'conan search <reference> --table table.html'
Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'