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conan install libnet/1.2@ --build=libnet --profile=/Users/jenkins/w/BuildSingleReference@4/18913/ca706d04-bdfb-4f90-ad28-5953b7ebc899/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=11.0
os=Macos
os_build=Macos
[options]
libnet:shared=True
[build_requires]
[env]

libnet/1.2: Forced build from source
Installing package: libnet/1.2
Requirements
    libnet/1.2 from local cache - Cache
Packages
    libnet/1.2:95382baad1eea282b0204228603f9795cf17a845 - Build

Installing (downloading, building) binaries...
libnet/1.2: Copying sources to build folder
libnet/1.2: Building your package in /Users/jenkins/w/BuildSingleReference@4/.conan/data/libnet/1.2/_/_/build/95382baad1eea282b0204228603f9795cf17a845
libnet/1.2: Generator txt created conanbuildinfo.txt
libnet/1.2: 
libnet/1.2: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference@4/.conan/data/libnet/1.2/_/_/build/95382baad1eea282b0204228603f9795cf17a845
[HOOK - conan-center.py] pre_build(): ERROR: [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not managed correctly. Please remove it for shared option: del self.options.fpic (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H007) 
libnet/1.2: ERROR: Package '95382baad1eea282b0204228603f9795cf17a845' build failed
libnet/1.2: WARN: Build folder /Users/jenkins/w/BuildSingleReference@4/.conan/data/libnet/1.2/_/_/build/95382baad1eea282b0204228603f9795cf17a845
ERROR: [HOOK - conan-center.py] pre_build(): Some checks failed running the hook, check the output