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conan install libvpx/1.9.0@ --build=libvpx --profile=/home/conan/w/BuildSingleReference/31045/81191f13-42d8-4ff7-b903-aa2551cb4c64/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++
compiler.version=4.9
os=Linux
os_build=Linux
[options]
libvpx:shared=True
[build_requires]
[env]

libvpx/1.9.0: Forced build from source
Installing package: libvpx/1.9.0
Requirements
    libvpx/1.9.0 from local cache - Cache
Packages
    libvpx/1.9.0:d048b45a8cfb7c253cafe9a9d26326c05844d96d - Build
Build requirements
    yasm/1.3.0 from 'conan-center' - Cache
Build requirements packages
    yasm/1.3.0:24647d9fe8ec489125dfbae4b3ebefaf7581674c - Cache

Installing (downloading, building) binaries...
yasm/1.3.0: Already installed!
yasm/1.3.0: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/yasm/1.3.0/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
libvpx/1.9.0: Applying build-requirement: yasm/1.3.0
libvpx/1.9.0: Copying sources to build folder
libvpx/1.9.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/libvpx/1.9.0/_/_/build/d048b45a8cfb7c253cafe9a9d26326c05844d96d
libvpx/1.9.0: Generator txt created conanbuildinfo.txt
libvpx/1.9.0: 
libvpx/1.9.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/libvpx/1.9.0/_/_/build/d048b45a8cfb7c253cafe9a9d26326c05844d96d
[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) 
libvpx/1.9.0: ERROR: Package 'd048b45a8cfb7c253cafe9a9d26326c05844d96d' build failed
libvpx/1.9.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/libvpx/1.9.0/_/_/build/d048b45a8cfb7c253cafe9a9d26326c05844d96d
ERROR: [HOOK - conan-center.py] pre_build(): Some checks failed running the hook, check the output